1. The utility model provides a small-size integrative many plungers formula sea water desalination machine which characterized in that: comprises a shell (1), a water pumping mechanism and a desalting mechanism;

the shell (1) is a cylindrical structural body with a horizontally arranged axis; the bottom of the shell (1) is fixedly connected with a supporting plate (11) through a guide plate;

the water pumping mechanism comprises a guide shell (2), a water pumping pipe (22) and a moving plate (23); the guide shell (2) is fixedly connected to one side, far away from the supporting plate (11), of the shell (1); the guide shell (2) is a cylindrical or rectangular columnar structure; a water pumping cavity (21) is formed in the guide shell (2); the water pumping cavity (21) extends into the shell (1); the water pumping cavity (21) is positioned on one side of the shell (1) close to the supporting plate (11) and is fixedly connected with a water pumping pipe (22); the water pumping cavity (21) is designed in a cross shape; a moving plate (23) is connected in the water pumping cavity (21) in a sliding way; the side wall of the moving plate (23) is in sliding sealing connection with the water pumping cavity (21) through a rubber pad (6); the water pumping cavity (21) is arranged at the opening on one side of the guide shell (2) far away from the shell (1); one side of the moving plate (23) close to the opening of the water pumping cavity (21) is hinged with a connecting rod (24); the connecting rod (24) extends to the outer side of the water pumping cavity (21); the side wall of the guide shell (2) is fixedly connected with a supporting piece (25); the supporting piece (25) is designed in a U shape; a pressure lever (26) is rotatably connected in the inner cavity of the support piece (25); the length of one end of the pressure lever (26) far away from the guide shell (2) is greater than that of one end of the pressure lever (26) close to the guide shell (2); one end of the pressure lever (26) close to the guide shell (2) is hinged with the connecting rod (24); the moving plate (23) is provided with unidirectional holes (27) which are uniformly distributed; the opening direction of the one-way hole (27) faces the connecting rod (24);

the desalting mechanism comprises a conduction pipe (46), a rotating wheel (41) and a reverse osmosis membrane (42); a power cavity (3) and a filter cavity (4) are respectively arranged at two ends of the shell (1); a rotating shaft (31) is rotatably connected in the power cavity (3); a cam (32) is sleeved on the rotating shaft (31); a guide groove (33) is formed in the arc-shaped side wall of the cam (32); the power cavity (3) is designed to be provided with an opening at one side close to the guide shell (2); the opening of the power cavity (3) is connected with a transmission rod (34) in a sliding manner; the transmission rod (34) is arranged at one end outside the power cavity (3) and is designed in an L shape; the transmission rod (34) is fixedly connected with the connecting rod (24); the transmission rod (34) is arranged in the power cavity (3) and is designed in a T shape at one end; one end of the transmission rod (34) positioned in the power cavity (3) is connected in the guide groove (33) in a sliding manner; the rotating shaft (31) extends into the filter cavity (4); a rotating wheel (41) is sleeved in the rotating shaft (31) positioned in the filter cavity (4); the cross section of the rotating wheel (41) is in a star shape, and two ends of the rotating wheel are in a sealed design; a reverse osmosis membrane (42) is sleeved on the outer diameter of the rotating wheel (41); the upper end of the filter cavity (4) is fixedly connected with a symmetrically designed isolation plate (43); one side of the isolation plate (43) close to the rotating wheel (41) is fixedly connected with a sealing gasket (44) through a spring; the sealing gasket (44) is tightly attached to the surface of the reverse osmosis membrane (42) under the pressure action of the spring; the rotating wheels (41) are fixedly connected with water outlet pipes (45) in the shape of a Chinese character 'xi'; the water outlet pipe (45) is parallel to the axis of the rotating shaft (31); the water outlet pipe (45) extends to the outer side of the filter cavity (4); one end of the conducting pipe (46) is positioned at the top end of the filtering cavity (4), and the other end of the conducting pipe is positioned at the top end of the water pumping cavity (21) and is used for conducting the filtering cavity (4) and the water pumping cavity (21).

2. The small-sized integrated multi-plunger type seawater desalination machine as claimed in claim 1, wherein: the rotating wheels (41) are elastically connected with a gravity plate (5) through spring columns in the 'X' -shaped cavities; one side of the gravity plate (5) far away from the reverse osmosis membrane (42) is fixedly connected with an elastic membrane (51); a first sliding chute (52) is formed in the position, located at the opening of the water outlet pipe (45), of the rotating wheel (41); the first sliding groove (52) is positioned on one side, close to the reverse osmosis membrane (42), of the elastic membrane (51); a baffle (53) is connected in the first sliding chute (52) in a sliding way; the opening of the water outlet pipe (45) is positioned on one side of the first sliding groove (52) far away from the elastic membrane (51); the bottom of the filtering cavity (4) is communicated with the water pumping cavity (21) through a conduit.

3. The small-sized integrated multi-plunger type seawater desalination machine as claimed in claim 2, wherein: the filter cavity (4) is fixedly connected with a rubber pad (6) below the isolation plate (43); one side of the rubber pad (6) close to the reverse osmosis membrane (42) is fixedly connected with evenly distributed friction plates (61); the surface of one side, close to the reverse osmosis membrane (42), of the friction plate (61) is uniformly provided with salient points; the friction plate (61) is used for removing impurities attached to the outer side of the reverse osmosis membrane (42).

4. The small-sized integrated multi-plunger type seawater desalination machine as claimed in claim 3, wherein: the communicating part of the filter cavity (4) and the water pumping cavity (21) is higher than the lowest end of the reverse osmosis membrane (42); a squeezing bag (62) is fixedly connected below the cam (32) in the power cavity (3); the extrusion bag (62) is fixedly connected with a one-way air inlet pipe; a first cavity (63) is formed in the rubber pad (6); the first cavity (63) is communicated with the squeezing bag (62) through a catheter; the first cavity (63) is positioned on the friction plate (61) and is provided with spray holes which are uniformly distributed in a clearance mode.

5. The small-sized integrated multi-plunger type seawater desalination machine as claimed in claim 1, wherein: a filter screen (7) is fixedly connected to one side of the water pumping cavity (21) close to the conduction pipe (46); the moving plate (23) is provided with a first through groove (71) corresponding to the filter screen (7); an elastic scraper (72) is fixedly connected in the first through groove (71); the elastic scraper (72) is in an 'eight' -shaped design, and the minimum end of the opening of the elastic scraper (72) is designed towards the connecting rod (24).

6. The small-sized integrated multi-plunger type seawater desalination machine as claimed in claim 5, wherein: the top end of the water pumping cavity (21) is fixedly connected with an impurity removing pipe (73); the impurity removing pipe (73) is positioned at the opposite side of the water pumping cavity (21) provided with the conduction pipe (46); the vertical height of the impurity removing pipe (73) is greater than that of the conducting pipe (46); a sponge layer (74) with a smooth surface is fixedly connected to the upper surface of the moving plate (23); the sponge layer (74) is obliquely arranged on one side close to the impurity removing pipe (73).

Background

The seawater desalination machine is a mechanical device for producing fresh water by utilizing seawater desalination, is an open source increment technology for realizing water resource utilization, can increase the total amount of fresh water, is not influenced by time, space and climate, and can ensure stable water supply such as drinking water of coastal residents and water supplement of industrial boilers.

In the prior art, a large-scale seawater desalination device mostly depends on conventional energy sources, a stable energy supply and a long-term field are needed, the large-scale seawater desalination device is not suitable for special occasions far away from islands where energy sources on mainland are lacked, ships with limited power supply, offshore platforms, emergency rescue on sea, field survival, scientific investigation and other special occasions with short-term and small-amount seawater desalination requirements, the small-scale seawater desalination device with low energy consumption and flexible application is particularly important in the occasions, but when the existing small-scale seawater desalination machine carries out seawater desalination, the working interval of the small-scale seawater desalination machine needs to be frequently replaced and cleaned, and the seawater can be ensured to be fully desalinated.

A small-sized flashlight integrated multi-plunger type seawater desalination machine and a seawater desalination method, which are issued by Chinese patents, have the following application numbers: CN2019114170706, which comprises a power end, a water supply end, a filtering end and an energy recovery end; the power end drives the seawater desalination machine to operate in a manual or electric mode; the water supply end is provided with a seawater pressurizing cavity, a first plunger pump, a seawater inlet pipe and a high-pressure water outlet pipe; the seawater inlet pipe and the high-pressure water outlet pipe are communicated with the seawater pressurizing cavity; the energy recovery end comprises a concentrated water pressurizing cavity, a second plunger pump, a concentrated water discharge pipe and a concentrated water return pipe; the concentrated water discharge pipe and the concentrated water return pipe are communicated with the concentrated water pressurizing cavity; the filtration end includes membrane shell, reverse osmosis membrane subassembly, high pressure sea water room, dense water collecting region, fresh water room and fresh water receiving tube, and the device can desalt the sea water, but its inside when carrying out the sea water infiltration through using the reverse osmosis subassembly, and tiny impurity and salt granule in the sea water can extrude in the reverse osmosis membrane, and then lead to the reverse osmosis subassembly dialysis efficiency to reduce gradually in the use, and the infiltration effect reduces simultaneously, and then leads to sea water desalination efficiency slower.

In view of the above, the present invention provides a small-sized integrated multi-plunger seawater desalination machine for solving the above technical problems.

Disclosure of Invention

The invention provides a small-sized integrated multi-plunger type seawater desalination machine, which aims to make up the defects of the prior art and solve the problem that when the existing small-sized seawater desalination machine carries out seawater desalination, the internal filtering components of the small-sized seawater desalination machine need to be frequently replaced and cleaned at working intervals to ensure that the seawater can be fully desalinated.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a small-sized integrated multi-plunger type seawater desalination machine, which comprises a shell, a water pumping mechanism and a desalination mechanism;

the shell is a cylindrical structural body with a horizontal axis; the bottom of the shell is fixedly connected with a supporting plate through a guide plate;

the water pumping mechanism comprises a guide shell, a water pumping pipe and a moving plate; the guide shell is fixedly connected to one side of the shell, which is far away from the supporting plate; the guide shell is a cylindrical or rectangular columnar structure; a water pumping cavity is formed in the guide shell; the pumping cavity extends into the shell; the water pumping cavity is positioned at one side of the shell close to the supporting plate and is fixedly connected with a water pumping pipe; the water pumping cavity is in a cross-shaped design; a moving plate is connected in the pumping cavity in a sliding manner; the side wall of the moving plate is in sliding sealing connection with the water pumping cavity through a rubber pad; the water pumping cavity is arranged at an opening on one side of the guide shell away from the shell; one side of the moving plate, which is close to the opening of the water pumping cavity, is hinged with a connecting rod; the connecting rod extends to the outer side of the water pumping cavity; the side wall of the guide shell is fixedly connected with a supporting piece; the supporting piece is in a U-shaped design; a pressure rod is rotatably connected in the inner cavity of the support piece; the length of one end of the pressure lever, which is far away from the guide shell, is greater than that of one end of the pressure lever, which is close to the guide shell; one end of the pressure lever, which is close to the guide shell, is hinged with the connecting rod; the moving plate is provided with uniformly distributed one-way holes; the opening direction of the one-way hole faces the connecting rod;

the desalting mechanism comprises a conduction pipe, a rotating wheel and a reverse osmosis membrane; the two ends of the shell are respectively provided with a power cavity and a filter cavity; a rotating shaft is rotatably connected in the power cavity; the rotating shaft is sleeved with a cam; a guide groove is formed in the arc-shaped side wall of the cam; the power cavity is designed to be provided with an opening at one side close to the guide shell; the opening of the power cavity is connected with a transmission rod in a sliding manner; the transmission rod is arranged outside the power cavity, and one end of the transmission rod is in an L-shaped design; the transmission rod is fixedly connected with the connecting rod; the transmission rod is arranged in the power cavity, and one end of the transmission rod is in a T-shaped design; one end of the transmission rod, which is positioned in the power cavity, is connected in the guide groove in a sliding manner; the rotating shaft extends into the filtering cavity; the rotating shaft is positioned in the filter cavity and is sleeved with a rotating wheel; the cross section of the rotating wheel is in a star shape, and two ends of the rotating wheel are in a sealed design; a reverse osmosis membrane is sleeved on the outer diameter of the rotating wheel; the upper end of the filter cavity is fixedly connected with a symmetrically designed isolation plate; one side of the isolation plate, which is close to the rotating wheel, is fixedly connected with a sealing gasket through a spring; the sealing gasket is tightly attached to the surface of the reverse osmosis membrane under the pressure action of the spring; the rotating wheels are fixedly connected with water outlet pipes in the star-shaped intervals; the water outlet pipe is parallel to the axis of the rotating shaft; the water outlet pipe extends to the outer side of the filter cavity; one end of the conduction pipe is positioned at the top end of the filter cavity, and the other end of the conduction pipe is positioned at the top end of the water pumping cavity and is used for conducting the filter cavity and the water pumping cavity;

in the prior art, a large-scale seawater desalination device mostly depends on conventional energy sources, a stable energy supply and a long-term field are needed, the large-scale seawater desalination device is not suitable for special occasions far away from islands where energy sources on mainland are lacked, ships with limited power supply, offshore platforms, emergency rescue on sea, field survival, scientific investigation and other special occasions with short-term and small-amount seawater desalination requirements, the small-scale seawater desalination device with low energy consumption and flexible application is particularly important in the occasions, and power resources are scarce in outdoor places, so that the manual small-scale seawater desalination machine with a simple structure has strong practicability, and when the existing small-scale seawater desalination machine carries out seawater desalination, the working interval of the existing small-scale seawater desalination machine needs to frequently replace and clean the internal filter components so as to ensure that the seawater can be fully desalinated;

when the seawater desalination device works, the shell, the water pumping mechanism and the filtering mechanism are arranged, the water guide pipe is placed in seawater firstly, the pressure rod is manually pressed by a worker to further enable the pressure rod to rotate by taking the supporting piece as a support, the pressure rod drives the connecting rod in the plunger structure formed by the connecting rod and the movable plate to move up and down in the rotating process, the movable plate is driven to move up and down in the water pumping cavity by the up-and-down movement of the connecting rod, when the movable plate moves down, the one-way hole on the movable plate is communicated, so that air and water below the water pumping cavity are discharged upwards, and when the movable plate moves upwards, the one-way hole is blocked, so that the water pumping cavity below the movable plate forms negative pressure, the seawater is guided into the water pumping cavity by the negative pressure, and when the pressure rod rotates, the connecting rod moves up and down, so as to drive the transmission rod to move up and down, because the transmission rod is positioned in the guide groove at one end in the power cavity and is connected with the cam in a sliding way, when the transmission rod moves up and down, the guide groove is formed for guiding, so that the cam rotates, the rotating cam drives the rotating shaft to rotate, so that the rotating shaft is positioned in the rotating wheel sleeved in the filtering cavity to rotate, when the moving plate moves up, the seawater positioned above the moving plate in the pumping cavity is introduced into the filtering cavity through the conduction pipe, the seawater permeates into the inner cavity of the rotating wheel through the reverse osmosis membrane under the action of pressure and flows to the outside through the water outlet pipe, the pumping device and the filtering device are arranged, the pressure rod is manually pressed, so that the seawater enters the water outlet pipe through the pumping cavity, the conduction pipe, the filtering cavity and the reverse osmosis membrane after transmission, the reverse osmosis membrane is in a continuous rotating state in the process of reverse osmosis, and the reverse osmosis membrane is in contact with the sealing gasket and the isolating plate in the rotating process, and then tentatively clear up the surface, the earlier reverse osmosis of rivers in the pivoted in-process reverse osmosis membrane flows to rotating the wheel simultaneously, along with rotating, when the opening of rotating a single cavity of wheel is towards downwards, the outside infiltration of reverse osmosis membrane is gone to not in time exhaust fresh water under the effect of gravity, and then erode the inside impurity of reverse osmosis membrane effectively, the intermittent type nature of cooperation reverse osmosis membrane is used, can prolong the life of reverse osmosis membrane effectively, the clearance of still being convenient for simultaneously, avoid clearing up reverse osmosis membrane at the filterable in-process of sea water is frequent.

Preferably, the rotating wheel star-shaped cavities are all elastically connected with gravity plates through spring columns; one side of the gravity plate, which is far away from the reverse osmosis membrane, is fixedly connected with an elastic membrane; the rotating wheel is positioned at the opening of the water outlet pipe and is provided with a first sliding chute; the first sliding groove is positioned on one side, close to the reverse osmosis membrane, of the elastic membrane; a baffle is connected in the first sliding chute in a sliding manner; the opening of the water outlet pipe is positioned on one side of the first sliding chute, which is far away from the elastic membrane; the bottom of the filter cavity is communicated with the water pumping cavity through a conduit;

the during operation, through setting up gravity board and elastic membrane, when rotating single inner chamber of wheel up, the plunger structure pulling elastic membrane that gravity board and spring post constitute forms the cambered surface downwards under the effect of gravity, and then make the fresh water of partial filtration store on the elastic membrane, along with rotating the rotation of wheel, the baffle blocks up the outlet pipe under the effect of gravity, the gravity board removes to the reverse osmosis membrane direction under the effect of gravity this moment, and then make the elastic membrane protruding to the reverse osmosis membrane direction, and then make the gap between reverse osmosis membrane and the elastic membrane diminish, and then make rivers permeate to the reverse osmosis membrane outside with higher speed under the pressure effect of gravity board, and then make the clearance to reverse osmosis membrane more thorough.

Preferably, the filtering cavity is fixedly connected with a rubber pad below the isolation plate; one side of the rubber pad, which is close to the reverse osmosis membrane, is fixedly connected with evenly distributed friction plates; the surface of one side, close to the reverse osmosis membrane, of the friction plate is uniformly provided with salient points; the friction plate is used for removing impurities adhered to the outer side of the reverse osmosis membrane;

during operation, through setting up rubber pad and friction disc, driving reverse osmosis membrane pivoted in-process at the rotation wheel, reverse osmosis membrane and friction disc contact, and then make incrustation scale, the impurity that the reverse osmosis membrane surface condenses break away from through friction between the two, make reverse osmosis membrane's clearance more thorough, and then make reverse osmosis membrane's work efficiency remain stable.

Preferably, the communication position of the filter cavity and the water pumping cavity is higher than the lowest end of the reverse osmosis membrane; a squeezing bag is fixedly connected below the cam in the power cavity; the extrusion bag is fixedly connected with a one-way air inlet pipe; a first cavity is formed in the rubber pad; the first cavity is communicated with the extrusion bag through a catheter; the first cavity is positioned in the gap of the friction plate and is provided with evenly distributed jet holes;

the during operation, the cam extrudees the extrusion bag at the pivoted in-process, and then makes the extrusion bag carry inside gas to first cavity through the pipe, and gas increases and outwards spouts through the jet orifice and establish in first cavity, and then spouts on establishing the rivers on the rubber pad, and then makes rivers receive the air current impact to act on the reverse osmosis membrane surface, further strengthens the clearance to the reverse osmosis membrane surface.

Preferably, one side of the water pumping cavity, which is close to the conduction pipe, is fixedly connected with a filter screen; the movable plate is provided with a first through groove corresponding to the filter screen; an elastic scraper is fixedly connected in the first through groove; the elastic scraper is designed in an 'eight' shape, and the minimum end of the opening of the elastic scraper faces the connecting rod;

the during operation, through setting up the filter screen, when drawing water, the rivers are when flowing in the siphunculus under the pressure effect of movable plate, receive the prefilter of filter screen, and then get rid of large granule impurity effectively, and the setting of elasticity scraper blade makes the filter screen that draws water the intracavity still receive rubbing effect of movable plate when carrying out filterable, and then clears away the impurity on the filter screen, and then can also carry out the automatically cleaning effectively when purifying the sea water.

Preferably, the top end of the water pumping cavity is fixedly connected with an impurity removing pipe; the impurity removing pipe is positioned at the opposite side of the water pumping cavity, which is provided with the conduction pipe; the vertical height of the impurity removing pipe is greater than that of the conduction pipe; the upper surface of the movable plate is fixedly connected with a sponge layer with a smooth surface; the sponge layer is obliquely designed on one side close to the impurity removing pipe;

during operation, through setting up edulcoration pipe and sponge layer, at the in-process of movable plate rebound, after the movable plate utilized thickness to block up the conduction pipe, the dehydration of sponge layer under the effect of pressure, and then make the impurity with inside rivers and surface flow to edulcoration pipe direction along sponge layer inclined plane, and then strengthen the discharge effect to impurity effectively for the desalination rate of sea water desalination machine.

The invention has the following beneficial effects:

1. according to the small-sized integrated multi-plunger type seawater desalination machine, the water pumping device and the filtering device are arranged, the reverse osmosis membrane is in a continuous rotation state in the reverse osmosis process, the reverse osmosis membrane is in contact with the sealing gasket and the isolating plate in the rotation process, the surface is cleaned preliminarily, meanwhile, in the rotation process, water flow in the reverse osmosis membrane firstly flows into the rotating wheel in a reverse osmosis mode, and when an opening of a single cavity of the rotating wheel faces downwards along with rotation, fresh water which is not discharged timely permeates to the outside of the reverse osmosis membrane under the action of gravity, so that impurities in the reverse osmosis membrane are effectively washed, and the service life of the reverse osmosis membrane can be effectively prolonged by matching with intermittent use of the reverse osmosis membrane.

2. According to the small-sized integrated multi-plunger type seawater desalination machine, the filter screen, the impurity removal pipe and the sponge layer are arranged, in the process that the movable plate moves upwards, when the movable plate blocks the conduction pipe by using the thickness, the sponge layer is dehydrated under the action of pressure, so that water flow in the sponge layer and impurities on the surface flow towards the impurity removal pipe along the inclined plane of the sponge layer, the impurity discharge effect is effectively enhanced, and the desalination rate of the seawater desalination machine is increased.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a front view of the present invention;

FIG. 2 is a partial configuration diagram of the present invention;

FIG. 3 is a longitudinal sectional view of the present invention;

FIG. 4 is a cross-sectional view of the present invention;

in the figure: the device comprises a shell 1, a supporting plate 11, a guide shell 2, a water pumping cavity 21, a water pumping pipe 22, a moving plate 23, a connecting rod 24, a supporting piece 25, a pressure rod 26, a one-way hole 27, a power cavity 3, a rotating shaft 31, a cam 32, a guide groove 33, a transmission rod 34, a filter cavity 4, a rotating wheel 41, a reverse osmosis membrane 42, a separation plate 43, a sealing gasket 44, a water outlet pipe 45, a conduction pipe 46, a gravity plate 5, an elastic membrane 51, a first sliding groove 52, a baffle 53, a rubber gasket 6, a friction plate 61, an extrusion bag 62, a first cavity 63, a filter screen 7, a first through groove 71, an elastic scraper 72, an impurity removal pipe 73 and a sponge layer 74.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 4, the small-sized integrated multi-plunger seawater desalination machine comprises a shell 1, a water pumping mechanism and a desalination mechanism;

the shell 1 is a cylindrical structural body with a horizontal axis; the bottom of the shell 1 is fixedly connected with a supporting plate 11 through a guide plate;

the water pumping mechanism comprises a guide shell 2, a water pumping pipe 22 and a moving plate 23; the guide shell 2 is fixedly connected to one side of the shell 1, which is far away from the supporting plate 11; the guide shell 2 is a cylindrical or rectangular columnar structure; a water pumping cavity 21 is formed in the guide shell 2; the water pumping cavity 21 extends into the shell 1; the water pumping cavity 21 is positioned at one side of the shell 1 close to the supporting plate 11 and is fixedly connected with a water pumping pipe 22; the water pumping cavity 21 is in a cross-shaped design; a moving plate 23 is connected in the water pumping cavity 21 in a sliding manner; the side wall of the moving plate 23 is in sliding sealing connection with the water pumping cavity 21 through a rubber pad 6; the water pumping cavity 21 is arranged at the opening of the side, away from the shell 1, of the guide shell 2; a connecting rod 24 is hinged to one side of the moving plate 23 close to the opening of the water pumping cavity 21; the connecting rod 24 extends to the outer side of the water pumping cavity 21; the side wall of the guide shell 2 is fixedly connected with a supporting piece 25; the support 25 is of a "U" shape design; a pressure rod 26 is rotatably connected in the inner cavity of the support piece 25; the length of one end of the pressure lever 26, which is far away from the guide shell 2, is greater than that of one end of the pressure lever 26, which is close to the guide shell 2; one end of the pressure lever 26 close to the guide shell 2 is hinged with the connecting rod 24; the moving plate 23 is provided with uniformly distributed one-way holes 27; the opening direction of the one-way hole 27 faces the connecting rod 24;

the desalting mechanism comprises a conduction pipe 46, a rotating wheel 41 and a reverse osmosis membrane 42; a power cavity 3 and a filter cavity 4 are respectively arranged at two ends of the shell 1; a rotating shaft 31 is rotatably connected in the power cavity 3; the rotating shaft 31 is sleeved with a cam 32; a guide groove 33 is formed in the arc-shaped side wall of the cam 32; the power cavity 3 is designed to be provided with an opening at one side close to the guide shell 2; a transmission rod 34 is connected to the opening of the power cavity 3 in a sliding manner; the transmission rod 34 is arranged outside the power cavity 3, and one end of the transmission rod is in an L-shaped design; the transmission rod 34 is fixedly connected with the connecting rod 24; the transmission rod 34 is in a T-shaped design at one end positioned in the power cavity 3; one end of the transmission rod 34, which is positioned in the power cavity 3, is connected in the guide groove 33 in a sliding manner; the rotating shaft 31 extends into the filter chamber 4; the rotating shaft 31 is positioned in the filter cavity 4 and is sleeved with a rotating wheel 41; the cross section of the rotating wheel 41 is in a star shape, and two ends of the rotating wheel are sealed; a reverse osmosis membrane 42 is sleeved on the outer diameter of the rotating wheel 41; the upper end of the filter chamber 4 is fixedly connected with a symmetrically designed isolation plate 43; one side of the isolation plate 43 close to the rotating wheel 41 is fixedly connected with a sealing gasket 44 through a spring; the sealing gasket 44 is tightly attached to the surface of the reverse osmosis membrane 42 under the pressure of the spring; the rotating wheels 41 are fixedly connected with water outlet pipes 45 at the X-shaped intervals; the water outlet pipe 45 is parallel to the axis of the rotating shaft 31; the water outlet pipe 45 extends to the outer side of the filter cavity 4; one end of the conducting pipe 46 is positioned at the top end of the filter cavity 4, and the other end is positioned at the top end of the water pumping cavity 21, and is used for conducting the filter cavity 4 and the water pumping cavity 21;

in the prior art, a large-scale seawater desalination device mostly depends on conventional energy sources, a stable energy supply and a long-term field are needed, the large-scale seawater desalination device is not suitable for special occasions far away from islands where energy sources on mainland are lacked, ships with limited power supply, offshore platforms, emergency rescue on sea, field survival, scientific investigation and other special occasions with short-term and small-amount seawater desalination requirements, the small-scale seawater desalination device with low energy consumption and flexible application is particularly important in the occasions, and power resources are scarce in outdoor places, so that the manual small-scale seawater desalination machine with a simple structure has strong practicability, and when the existing small-scale seawater desalination machine carries out seawater desalination, the working interval of the existing small-scale seawater desalination machine needs to frequently replace and clean the internal filter components so as to ensure that the seawater can be fully desalinated;

when the seawater desalination device works, the shell 1, the water pumping mechanism and the filtering mechanism are arranged, in the seawater desalination process, the water guide pipe is firstly placed in seawater, the pressure rod 26 is manually pressed, the pressure rod 26 is further supported by the supporting piece 25 to rotate, the pressure rod 26 drives the connecting rod 24 and the connecting rod 24 in the plunger structure formed by the movable plate 23 to move up and down in the water pumping cavity 21 in the rotating process, the movable plate 23 is driven to move up and down in the water pumping cavity by the up and down movement of the connecting rod 24, when the movable plate 23 moves down, the one-way hole 27 on the movable plate 23 is communicated, so that air and water below the water pumping cavity 21 are discharged upwards, meanwhile, when the movable plate 23 moves upwards, the one-way hole 27 is blocked, so that the water pumping cavity 21 below the movable plate 23 forms negative pressure, the seawater is guided into the water pumping cavity 21 by the negative pressure, and meanwhile, in the rotating process of the pressure rod 26, the connecting rod 24 moves up and down to drive the transmission rod 34 to move up and down, because the transmission rod 34 is positioned in the guide groove 33 of the power cavity 3, one end of the transmission rod is connected to the cam 32 in a sliding manner, when the transmission rod 34 moves up and down, the guide groove 33 is guided, the cam 32 rotates, the rotating cam 32 drives the rotating shaft 31 to rotate, the rotating wheel 41 sleeved in the filter cavity 4 rotates, when the moving plate 23 moves up, the seawater in the pumping cavity 21 above the moving plate 23 is led into the filter cavity 4 through the conducting pipe 46, the seawater permeates into the inner cavity of the rotating wheel 41 through the reverse osmosis membrane 42 under the action of pressure and flows to the outside through the water outlet pipe 45, and through the arrangement of the pumping device and the filter device, the manual pressing rod 26 is utilized, and after transmission, the seawater flows through the pumping cavity 21, the conducting pipe 46, the filter cavity 4, In reverse osmosis membrane 42 back gets into outlet pipe 45, in the in-process that reverse osmosis goes on, reverse osmosis membrane 42 is in the continuous rotation state, in pivoted in-process reverse osmosis membrane 42 with sealed 44 and division board 43 contact, and then tentatively clear up the surface, the earlier reverse osmosis of rivers in pivoted in-process reverse osmosis membrane 42 flows in rotating wheel 41 simultaneously, along with rotating, when rotating the opening of the single cavity of wheel 41 downwards, the outside infiltration of reverse osmosis membrane 42 is gone through to the fresh water of not in time discharging under the effect of gravity, and then wash away the inside impurity of reverse osmosis membrane 42 effectively, cooperation reverse osmosis membrane 42's intermittent type nature use, can prolong reverse osmosis membrane 42's life effectively, the clearance of still being convenient for simultaneously, avoid frequently clearing up reverse osmosis membrane 42 at the filterable in-process of sea water.

As an embodiment of the present invention, the rotating wheels 41 "are elastically connected with the gravity plate 5 through spring columns; one side of the gravity plate 5, which is far away from the reverse osmosis membrane 42, is fixedly connected with an elastic membrane 51; the rotating wheel 41 is provided with a first chute 52 at the opening of the water outlet pipe 45; the first sliding chute 52 is positioned on one side of the elastic membrane 51 close to the reverse osmosis membrane 42; a baffle plate 53 is connected in the first sliding chute 52 in a sliding manner; the opening of the water outlet pipe 45 is positioned on one side of the first chute 52 far away from the elastic membrane 51; the bottom of the filter cavity 4 is communicated with the water pumping cavity 21 through a conduit;

during operation, through setting up gravity board 5 and elastic membrane 51, when rotating wheel 41 single inner chamber up, the plunger structure pulling elastic membrane 51 that gravity board 5 and spring post constitute forms the cambered surface downwards under the effect of gravity, and then make the partly filterable fresh water store on elastic membrane 51, along with rotating wheel 41's rotation, baffle 53 blocks up outlet pipe 45 under the effect of gravity, gravity board 5 removes to reverse osmosis membrane 42 direction under the effect of gravity this moment, and then make elastic membrane 51 protruding to reverse osmosis membrane 42 direction, and then make the gap between reverse osmosis membrane 42 and the elastic membrane 51 diminish, and then make rivers accelerate to the infiltration in the reverse osmosis membrane 42 outside under the pressure effect of gravity board 5, and then make the clearance to reverse osmosis membrane 42 more thorough.

As an embodiment of the present invention, the filter chamber 4 is fixedly connected with a rubber pad 6 below the isolation plate 43; one side of the rubber pad 6 close to the reverse osmosis membrane 42 is fixedly connected with evenly distributed friction plates 61; the surface of the friction plate 61 close to one side of the reverse osmosis membrane 42 is uniformly provided with salient points; the friction plate 61 is used for removing impurities adhered to the outer side of the reverse osmosis membrane 42;

during operation, through setting up rubber pad 6 and friction disc 61, drive reverse osmosis membrane 42 pivoted in-process at runner wheel 41, reverse osmosis membrane 42 and friction disc 61 contact, and then make reverse osmosis membrane 42 surperficial incrustation scale, the impurity of condensing break away from through friction between the two, make reverse osmosis membrane 42's clearance more thorough, and then make reverse osmosis membrane 42's work efficiency remain stable.

As an embodiment of the invention, the communication position of the filter cavity 4 and the water pumping cavity 21 is higher than the lowest end of the reverse osmosis membrane 42; a squeezing bag 62 is fixedly connected below the cam 32 in the power cavity 3; the extrusion bag 62 is fixedly connected with a one-way air inlet pipe; a first cavity 63 is formed in the rubber pad 6; the first cavity 63 is communicated with the squeezing bag 62 through a catheter; the first cavity 63 is positioned in the friction plate 61 and is provided with evenly distributed jet holes at intervals;

during operation, cam 32 extrudees extrusion bag 62 at the pivoted in-process, and then makes extrusion bag 62 carry inside gas to first cavity 63 through the pipe, and gas increases in first cavity 63 and outwards spouts through the jet orifice and establishes, and then spouts on establishing the rivers on rubber pad 6, and then makes rivers receive the air current impact to act on reverse osmosis membrane 42 surface, further strengthens the clearance to reverse osmosis membrane 42 surface.

As an embodiment of the invention, a filter screen 7 is fixedly connected to one side of the water pumping cavity 21 close to the conducting pipe 46; the moving plate 23 is provided with a first through groove 71 corresponding to the filter screen 7; an elastic scraper 72 is fixedly connected in the first through groove 71; the elastic scraper 72 is designed in an 'eight' shape, and the minimum opening end of the elastic scraper 72 is designed towards the connecting rod 24;

during operation, through setting up filter screen 7, when drawing water, rivers are when flowing in the guide pipe 46 under the pressure effect of movable plate 23, receive the prefilter of filter screen 7, and then get rid of large granule impurity effectively, and the setting of elasticity scraper blade 72 makes filter screen 7 in the chamber 21 of drawing water still receive the effect of scraping of movable plate 23 when filtering, and then clears away the impurity on the filter screen 7, and then can also carry out the automatically cleaning effectively when purifying the sea water.

As an embodiment of the present invention, the top end of the water pumping cavity 21 is fixedly connected with an impurity removing pipe 73; the impurity removing pipe 73 is positioned at the opposite side of the water pumping cavity 21, which is provided with the conduction pipe 46; the vertical height of the impurity removing pipe 73 is greater than that of the conduction pipe 46; the upper surface of the moving plate 23 is fixedly connected with a sponge layer 74 with a smooth surface; the sponge layer 74 is obliquely designed on one side close to the impurity removing pipe 73;

during operation, through setting up edulcoration pipe 73 and sponge layer 74, at the in-process of moving plate 23 rebound, after moving plate 23 utilized thickness to block up conduction pipe 46, sponge layer 74 dewaters under the effect of pressure, and then makes the impurity with inside rivers and surperficial along sponge layer 74 inclined plane to edulcoration pipe 73 direction flow, and then strengthens the discharge effect to impurity effectively for the desalination rate of sea water desalination machine.

The specific working process is as follows:

when the seawater desalination device works, by arranging the shell 1, the water pumping mechanism and the filtering mechanism, in the seawater desalination process, firstly, the aqueduct is placed in seawater, the pressure rod 26 is manually pressed by a worker, so that the pressure rod 26 is supported by the supporting piece 25 to rotate, in the rotating process, the pressure rod 26 drives the connecting rod 24 and the connecting rod 24 in the plunger structure formed by the movable plate 23 to move up and down in the water pumping cavity 21, the movable plate 23 is driven to move up and down in the water pumping cavity by the up and down movement of the connecting rod 24, when the movable plate 23 moves down, the one-way hole 27 on the movable plate 23 is communicated, so that air and water below the water pumping cavity 21 are discharged upwards, and when the movable plate 23 moves up, the one-way hole 27 is blocked, so that the water pumping cavity 21 below the movable plate 23 forms negative pressure, and then seawater is guided into the water pumping cavity 21 by the negative pressure, and in the rotating process of the pressure rod 26, the connecting rod 24 moves up and down to drive the transmission rod 34 to move up and down, because the transmission rod 34 is located in the guide groove 33 of the power cavity 3, one end of the transmission rod is connected to the cam 32 in a sliding manner, when the transmission rod 34 moves up and down, the guide groove 33 is guided, so that the cam 32 rotates, the rotating cam 32 drives the rotating shaft 31 to rotate, so that the rotating shaft 31 is located in the rotating wheel 41 sleeved in the filter cavity 4 to rotate, because the moving plate 23 moves up, seawater in the pumping cavity 21 above the moving plate 23 is introduced into the filter cavity 4 through the conducting pipe 46, and the seawater permeates into the inner cavity of the rotating wheel 41 through the reverse osmosis membrane 42 under the action of pressure and flows to the outside through the water outlet pipe 45.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.