1. The utility model provides a tertiary filtering ponds of building site and sewage recovery unit which characterized in that includes:

the physical sedimentation tank (1) is used for carrying out physical sedimentation filtration operation on rain sewage, building site maintenance wastewater and the like in a building site and removing particulate matters and impurities in the rain sewage;

the biological filter (2) is used for introducing water treated by the physical sedimentation tank (1) into the water inlet end of the biological filter (2) and decomposing organic matters in the rain sewage;

the water treated by the physical sedimentation tank (1) is guided into the water inlet end of the chemical sedimentation tank (3) and is used for treating inorganic pollutants such as heavy metals in the construction site maintenance wastewater;

the water in the biological filter (2) or the chemical sedimentation tank (3) is treated and then is led into the ecological tank (4) for further treatment of the wastewater to remove residual organic or inorganic pollutants in the wastewater;

and the sewage recovery device (5) is arranged beside the ecological pool (4) and is used for collecting and utilizing the treated sewage.

2. The construction site tertiary filter tank and sewage recovery device of claim 1, wherein a gravel layer (6) and a gravel layer (7) are further arranged in the physical sedimentation tank (1), the gravel layer (6) and the gravel layer (7) are sequentially arranged in the physical sedimentation tank (1) along the vertical direction, the inner gaps of the gravel layer (6) and the gravel layer (7) are sequentially reduced from top to bottom, the gravel layer (6) and the gravel layer (7) are arranged at intervals, the water inlet of the physical sedimentation tank (1) is positioned at the top end of the physical sedimentation tank (1), and the water outlet of the physical sedimentation tank (1) is positioned at the bottom end of the physical sedimentation tank (1).

3. The construction site tertiary filter tank and sewage recovery device as claimed in claim 2, wherein the bottom end of the physical sedimentation tank (1) is further provided with an activated carbon layer (8).

4. The construction site three-stage filter tank and sewage recovery device according to claim 1, wherein the biological filter tank (2) is internally provided with a rotary driving component, a biological rotating disc (9) and an aeration component, the rotary driving component is installed at one end of the biological filter tank (2), the biological rotating disc (9) is horizontally arranged in the biological filter tank (2), two ends of the biological rotating disc (9) are respectively coupled with the top ends of two ends of the biological filter tank (2), the output end of the rotary driving component is in transmission connection with one end of the biological rotating disc (9), and the aeration component is installed at the bottom end of the biological filter tank (2).

5. The three-stage filtering tank and sewage recovery device for construction sites as claimed in claim 4, wherein the rotary driving assembly comprises a first rotary driver (10), a gear transmission device (11) and a first rotating shaft (12), the first rotary driver (10) and the gear transmission device (11) are both installed on the side wall of the biological filtering tank (2), a plurality of first rotating shafts (12) are provided, the plurality of first rotating shafts (12) are sequentially arranged along the sewage purification direction, a plurality of biological rotating discs (9) are provided, the plurality of biological rotating discs (9) are sequentially and fixedly sleeved on the plurality of first rotating shafts (12), the output end of the first rotary driver (10) is in transmission connection with the input end of the gear transmission device (11), and the output end of the gear transmission device (11) is in transmission connection with the plurality of first rotating shafts (12).

6. The three-stage filtering tank and sewage recovery device for the construction site according to claim 4, wherein the aeration assembly comprises an air duct (13), an aeration head (14) and an air pump, the air pump is arranged outside the biological filtering tank (2), one end of the air duct (13) is communicated with the output end of the air pump, the other end of the air duct (13) is arranged at the bottom end of the biological filtering tank (2), and the aeration heads (14) are uniformly distributed at one end of the air duct (13) which is positioned inside the biological filtering tank (2).

7. The construction site tertiary filter tank and sewage recovery device as claimed in claim 1, wherein a chemical spraying component and a heating component are arranged in the chemical settling tank (3), the chemical spraying component is arranged above the chemical settling tank (3), and the heating component is arranged in the chemical settling tank (3).

8. The building site tertiary filter pond and sewage recovery unit of claim 7, characterized in that, spout medicine subassembly and include liquid medicine solution tank (15), catheter (16), shower nozzle (17) and solenoid valve (18), liquid medicine solution tank (15) set up in chemical sedimentation tank (3) outside, the one end of catheter (16) and the inside intercommunication of liquid medicine solution tank (15), the other end of catheter (16) sets up in chemical sedimentation tank (3) top, solenoid valve (18) are installed on the one end that catheter (16) is close to liquid medicine solution tank (15), shower nozzle (17) are equipped with a plurality ofly, a plurality of shower nozzle (17) evenly distributed is on chemical sedimentation tank (3), a plurality of shower nozzle (17) all communicate with the one end that catheter (16) kept away from liquid medicine solution tank (15).

9. The three-stage filtering basin and sewage recovery device for construction sites according to claim 7, wherein the heating assembly comprises an annular electric heating wire (19), a second rotary driver (20), a rotating shaft (21), a stirring paddle (22) and a temperature detection sensor (23), the annular electric heating wire (19) is annularly installed on the outer side wall of the chemical sedimentation basin (3), the second rotary driver (20) is horizontally installed on the side wall of one side of the chemical sedimentation basin (3), the rotating shaft (21) is horizontally arranged in the chemical sedimentation basin (3), two ends of the rotating shaft (21) are coupled with the inner side wall of the chemical sedimentation basin (3), the stirring paddle (22) is fixedly sleeved on the rotating shaft (21), the output end of the second rotary driver (20) is in transmission connection with one end of the rotating shaft (21), the temperature detection sensor (23) is arranged on the chemical sedimentation basin (3), the detection end of the temperature detection sensor (23) is arranged in the chemical sedimentation tank (3).

10. The building site tertiary filter tank and sewage recovery device of claim 1, wherein the sewage recovery device (5) comprises a water storage tower (24), a water storage pipeline (25) and a water pump, the water storage tower (24) is installed at the side of the ecological pool (4), the water storage tower (24) is provided with a plurality of water storage towers (24), one end of the water storage pipeline (25) is communicated with the inside of the water storage tower (24), the other end of the water storage pipeline (25) is communicated with the water outlet end of the ecological pool (4), and the water pump is arranged inside the water storage tower (24).

Background

Modern engineering projects are developing towards large-scale, large-scale and modernization, the quantity of large urban projects is exponentially multiplied, the construction site wastewater treatment becomes an indispensable flow, and the construction site wastewater mainly comprises rainwater sewage, underground water, maintenance wastewater and the like.

At present, still there is not fine utilization in the middle of a large amount of waste water reality on the construction site, both exert an influence to the construction environment, wasted a large amount of recoverable water resources again, and lack the equipment to the categorised recovery of construction site waste water classification of different grade type among the prior art, cause not good to sewage treatment effect, waste water recycle rate lower scheduling problem.

Therefore, it is necessary to design a three-stage filtering tank and a sewage recycling device for a construction site to solve the above problems.

Disclosure of Invention

For solving above-mentioned technical problem, a building site tertiary filter tank and sewage recovery unit are provided, this technical scheme has solved still to have a large amount of waste water in the middle of actually not fine utilization on the construction site, has both produced the influence to the construction environment, has wasted a large amount of recoverable water resources again, and lacks the equipment to the categorised recovery of the construction site waste water classification of different grade type among the prior art, causes not good to sewage treatment effect, the lower scheduling problem of waste water recovery utilization ratio.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:

the utility model provides a building site tertiary filter tank and sewage recovery unit, includes:

the physical sedimentation tank is used for carrying out physical sedimentation filtration operation on the rain sewage, the building site maintenance wastewater and the like in the building site to remove particles and impurities in the rain sewage;

the biological filter is used for decomposing organic matters in the rainwater and sewage after the water treated by the physical sedimentation tank is introduced into the water inlet end of the biological filter;

the chemical sedimentation tank is used for guiding the water treated by the physical sedimentation tank into the water inlet end of the chemical sedimentation tank and treating inorganic pollutants such as heavy metals in the construction site maintenance wastewater;

the water in the ecological pool, the biological filter or the chemical sedimentation pool is treated and then is led into the ecological pool for further treating the wastewater to remove residual organic or inorganic pollutants in the wastewater;

the sewage recovery device is arranged beside the ecological pool and used for collecting and utilizing the treated sewage.

Preferably, still be equipped with rubble layer and grit layer in the physics sedimentation tank, rubble layer and grit layer set gradually in the physics sedimentation tank along vertical direction, and above the size of the inner gap of rubble layer and grit layer and diminish in proper order down, rubble layer and grit layer interval set up, and the water inlet of physics sedimentation tank is located physics sedimentation tank top, and the delivery port of physics sedimentation tank is located the bottom of physics sedimentation tank.

Preferably, the bottom end of the physical sedimentation tank is also provided with an activated carbon layer.

Preferably, a rotary driving assembly, a biological rotating disc and an aeration assembly are arranged in the biological filter, the rotary driving assembly is installed at one end of the biological filter, the biological rotating disc is horizontally arranged in the biological filter, two ends of the biological rotating disc are respectively connected with the top ends of two ends of the biological filter in a shaft mode, the output end of the rotary driving assembly is in transmission connection with one end of the biological rotating disc, and the aeration assembly is installed at the bottom end of the biological filter.

Preferably, the rotary driving assembly comprises a first rotary driver, a gear transmission device and a first rotating shaft, the first rotary driver and the gear transmission device are both installed on the side wall of the biological filter, the first rotating shaft is provided with a plurality of, the first rotating shafts of the plurality of are sequentially arranged along the sewage purification direction, the biological rotating disc is provided with a plurality of, the biological rotating disc is sequentially and fixedly sleeved on the first rotating shafts of the plurality of, the output end of the first rotary driver is in transmission connection with the input end of the gear transmission device, and the output end of the gear transmission device is in transmission connection with the first rotating shafts of the plurality of.

Preferably, the aeration assembly comprises an air duct, aeration heads and an air pump, the air pump is arranged outside the biological filter, one end of the air duct is communicated with the output end of the air pump, the other end of the air duct is arranged at the bottom end of the biological filter, and the aeration heads are uniformly distributed at one end of the air duct, which is positioned at the inner side of the biological filter.

Preferably, be equipped with in the chemical sedimentation tank and spout medicine subassembly and heating element, spout the medicine subassembly and install the top at the chemical sedimentation tank, heating element installs the inside at the chemical sedimentation tank.

Preferably, spout the medicine subassembly including liquid medicine solution tank, the catheter, shower nozzle and solenoid valve, liquid medicine solution tank sets up in the chemical sedimentation tank outside, the one end and the inside intercommunication of liquid medicine solution tank of catheter, the other end setting of catheter is in the chemical sedimentation tank top, the solenoid valve is installed and is served at the catheter is close to one of liquid medicine solution tank, the shower nozzle is equipped with a plurality of, a plurality of shower nozzle evenly distributed is on the chemical sedimentation tank, the one end intercommunication of liquid medicine solution tank is all kept away from with the catheter to a plurality of shower nozzle.

Preferably, heating element is including annular electric heating wire, the second rotary actuator, the apparatus further comprises a rotating shaft, stirring rake and temperature detection sensor, annular electric heating wire annular is installed on chemical sedimentation tank lateral wall, second rotary actuator horizontal installation is on chemical sedimentation tank lateral wall, the pivot level sets up in chemical sedimentation tank, the both ends of pivot and the interior lateral wall coupling of chemical sedimentation tank, the fixed cover of stirring rake is established in the pivot, the output of second rotary actuator is connected with the wherein one end transmission of pivot, the temperature detection sensor sets up on chemical sedimentation tank, the sense terminal setting of temperature detection sensor is inside chemical sedimentation tank.

Preferably, sewage recovery unit is including holding water tower, water storage pipeline and suction pump, and the side at ecological pool is installed to the retaining tower, and the retaining tower is installed at ecological pool side, holds water tower a plurality of, and water storage pipeline's one end and the inside intercommunication of retaining tower, water storage pipeline's the other end and the play water end intercommunication in ecological pool, and the suction pump sets up inside the water storage tower.

Compared with the prior art, the application has the beneficial effects that:

through three-layer filtration adsorption treatment, handle most impurity, organic matter or inorganic matter in the sewage for the quality of water of sewage obtains great degree's improvement, and then can make it reach the standard of daily water, and then can retrieve the waste water after handling and recycle, improved environmental protection effect, water economy resource by a wide margin.

The treated sewage is classified and utilized, so that the utilization efficiency of water resources can be improved to the greatest extent.

The oxygen supply requirement of the microorganisms can be realized through the rotation of the biological rotating disk, so that the microorganisms attached to the biological rotating disk can be better propagated, and the treatment efficiency of the microbial film on organic matters in the sewage is improved.

The rapid treatment function to organic matter improves sewage purification degree, promotes sewage purification efficiency.

The medicament reacts with the sewage in the chemical sedimentation tank, and inorganic pollutants in the sewage are removed, so that the inorganic pollutants react to form a compound flocculation sedimentation tank bottom end, the treated sewage is discharged into the chemical sedimentation tank, and the treatment process of the inorganic pollutants in the sewage is further completed.

Can realize the function of keeping sewage at constant temperature and further improve the sewage treatment efficiency.

Rain sewage can directly regard as domestic water to use after handling, and building site maintenance waste water can regard as the inside dust fall of building site, clean water such as after handling, realizes the utilization by classification of waste water, has guaranteed that the water is healthy promptly, can realize the make full use of waste water again.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a schematic perspective view of a rainwater treatment system according to the present invention;

FIG. 5 is a schematic perspective view of the system for treating construction site maintenance wastewater of the present invention;

FIG. 6 is a cross-sectional view of a physical settling tank of the present invention;

FIG. 7 is a schematic perspective view of a biofilter according to the present invention;

fig. 8 is a schematic perspective view of an aeration assembly according to the present invention;

FIG. 9 is a schematic perspective view of a chemical settling tank of the present invention;

fig. 10 is a schematic perspective view of an ecological pond and a sewage recovery device according to the present invention.

The reference numbers in the figures are:

1-a physical sedimentation tank; 2-biological filter; 3-a chemical sedimentation tank; 4-an ecological pool; 5-a sewage recovery device; 6-a rubble layer; 7-gravel layer; 8-an activated carbon layer; 9-biological rotating disc; 10-a first rotary drive; 11-a gear transmission; 12-a first shaft; 13-a gas-guide tube; 14-an aeration head; 15-a liquid medicine solution tank; 16-a catheter; 17-a spray head; 18-a solenoid valve; 19-a ring-shaped electric heating wire; 20-a second rotary drive; 21-a rotating shaft; 22-stirring paddle; 23-a temperature detection sensor; 24-a water storage tower; 25-water storage pipeline.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

In order to solve the technical problem of how to treat and collect the construction site sewage, as shown in fig. 1 to 5, there are provided:

the utility model provides a building site tertiary filter tank and sewage recovery unit, includes:

the physical sedimentation tank 1 is used for carrying out physical sedimentation filtration operation on rain sewage, building site maintenance wastewater and the like in a building site to remove particles and impurities in the rain sewage;

the biological filter 2 is used for introducing water treated by the physical sedimentation tank 1 into the water inlet end of the biological filter 2 and decomposing organic matters in the rain sewage;

the chemical sedimentation tank 3 is used for guiding the water treated by the physical sedimentation tank 1 into the water inlet end of the chemical sedimentation tank 3 and treating inorganic pollutants such as heavy metals in the construction site maintenance wastewater;

the water in the ecological pool 4, the biological filter 2 or the chemical sedimentation pool 3 is treated and then is led into the ecological pool 4 for further treatment of the wastewater to remove residual organic or inorganic pollutants in the wastewater;

and the sewage recovery device 5 is arranged beside the ecological pool 4 and is used for collecting and utilizing the treated sewage.

Specifically, when the building sewage is treated, an operator separately introduces the rain sewage or the building site maintenance wastewater into the physical sedimentation tank 1, when the rain sewage is treated, the physical sedimentation tank 1 adsorbs impurities and particles in the rain sewage, the sewage after the physical sedimentation treatment is introduced into the biological filter 2 from the water outlet end of the physical sedimentation tank 1, the biological filter 2 decomposes organic matters in the sewage through microorganisms to reduce the content of the organic matters in the sewage, and then the sewage after the treatment in the biological filter 2 is introduced into the ecological tank 4 to be further purified, so that the function of purifying the water quality is realized, the purified water in the ecological tank 4 is collected through the sewage recovery device 5, and the water is convenient to be reused; when handling building site maintenance waste water, impurity and particulate matter in the physical sedimentation tank 1 is to the building site maintenance waste water adsorb, sewage after the physical sedimentation treatment carries out neutralization removal through the medicament from the leading-in chemical sedimentation tank 3 of the play water end of physical sedimentation tank 1, inorganic pollutants such as heavy metal in the chemical sedimentation tank 3 is to sewage, reduce the content of inorganic pollutant in the sewage, again with the leading-in ecological pond 4 of sewage after handling in the chemical sedimentation tank 3, carry out further purification treatment, realize the function of purifying water quality, collect the water after purifying in the ecological pond 4 through sewage recovery unit 5. Through three-layer filtration adsorption treatment, handle most impurity, organic matter or inorganic matter in the sewage for the quality of water of sewage obtains great degree's improvement, and then can make it reach the standard of daily water, and then can retrieve the waste water after handling and recycle, improved environmental protection effect, water economy resource by a wide margin.

It should be noted that rain sewage or building site maintenance waste water need separately handle when handling, and the pollution degree of rain sewage is lower, and the sewage after the processing can directly be regarded as daily domestic water, and the impurity in the building site maintenance waste water is more, and the composition is comparatively complicated, and the sewage after the processing can carry out the daily dust fall of building site, afforestation and maintenance ground etc. operation, carries out classification to the sewage after handling to can the at utmost improve the utilization efficiency of water resource.

Further:

in order to solve the technical problem of how to physically settle the sewage impurities, as shown in fig. 6:

still be equipped with rubble layer 6 and grit layer 7 in the physics sedimentation tank 1, rubble layer 6 and grit layer 7 set gradually in physics sedimentation tank 1 along vertical direction, on the size of the interior gap of rubble layer 6 and grit layer 7 and diminish in proper order down, rubble layer 6 and grit layer 7 interval set up, the water inlet of physics sedimentation tank 1 is located 1 tops of physics sedimentation tank, the delivery port of physics sedimentation tank 1 is located the bottom of physics sedimentation tank 1.

Specifically, building sewage leads to in the physical sedimentation tank 1 through the inlet tube, and the downward flow under the action of gravity passes through rubble layer 6 and grit layer 7 in proper order, filters the solid impurity in sewage through rubble layer 6 and grit layer 7, and the sewage after final completion filters outwards discharges from 1 bottom in physical sedimentation tank, accomplishes the physical sedimentation adsorption operation to sewage. Can adsorb and remove solid impurities in the sewage, improve the water quality and reduce the turbidity of the sewage.

It should be noted that the hole gaps from top to bottom of the gravel layer 6 and the gravel layer 7 are gradually reduced, so that smaller impurities can be gradually removed, the filtering efficiency is improved, and the blockage is not easy to occur.

Further, as shown in fig. 6:

the bottom end of the physical sedimentation tank 1 is also provided with an activated carbon layer 8.

Specifically, sewage after the filtration treatment of rubble layer 6 and grit layer 7 is through activated carbon layer 8 again adsorption filtration treatment, adsorbs the suspended particulate matter in the sewage and handles, further promotes the filter effect, improves the ability that 1 physics of physics sedimentation tank subsides the processing.

Further:

in order to solve the technical problem of how to remove organic matters in sewage, as shown in fig. 7-8:

the biological filter 2 is internally provided with a rotary driving assembly, a biological rotating disc 9 and an aeration assembly, the rotary driving assembly is arranged at one end of the biological filter 2, the biological rotating disc 9 is horizontally arranged in the biological filter 2, two ends of the biological rotating disc 9 are respectively coupled with the top ends of two ends of the biological filter 2, the output end of the rotary driving assembly is in transmission connection with one end of the biological rotating disc 9, and the aeration assembly is arranged at the bottom end of the biological filter 2.

Specifically, when biological filter 2 carries out the organic matter and gets rid of the operation to the sewage after physical sedimentation tank 1 handles, through the leading-in biological filter 2 of water of aqueduct with physical sedimentation tank 1 outlet, rotatory drive assembly work drives rotating biological disk 9 and rotates in the biological filter 2, rotating biological disk 9 purifies the water with the contact of microbial film in biological filter 2 through adnexed microbial film above that, the organic matter of microorganism with the aquatic decomposes, and then realize the water purification function, increase the oxygen content of aquatic in biological filter 2 through aeration component, the activity of aerobic microorganism is improved, and then improve decomposition efficiency, promote biological filter 2 to the throughput of sewage. Can realize the rapid processing function to organic matter, improve sewage purification degree, promote sewage purification efficiency.

Further, as shown in fig. 7:

the rotary driving assembly comprises a first rotary driver 10, a gear transmission device 11 and a first rotating shaft 12, the first rotary driver 10 and the gear transmission device 11 are both installed on the side wall of the biological filter 2, the first rotating shaft 12 is provided with a plurality of, the first rotating shaft 12 of the plurality of is sequentially arranged along the sewage purification direction, the biological rotating disc 9 is provided with a plurality of, the biological rotating disc 9 is sequentially and fixedly sleeved on the first rotating shaft 12 of the plurality of, the output end of the first rotary driver 10 is in transmission connection with the input end of the gear transmission device 11, and the output end of the gear transmission device 11 is in transmission connection with the first rotating shaft 12 of the plurality of.

Specifically, when the rotation driving assembly works, the first rotation driver 10 outputs and drives the gear transmission device 11 in transmission connection with the first rotation driver, the gear transmission device 11 drives a plurality of first rotating shafts 12 to rotate synchronously, and then drives a plurality of biological rotating discs 9 to rotate synchronously, so that the rotation driving function is realized. The oxygen supply requirement of the microorganisms can be realized through the rotation of the biological rotating disk 9, so that the microorganisms attached to the biological rotating disk 9 can be better propagated, and the treatment efficiency of the microbial film on organic matters in the sewage is improved.

Further, as shown in fig. 8:

the aeration component comprises an air duct 13, an aeration head 14 and an air pump, the air pump is arranged outside the biological filter 2, one end of the air duct 13 is communicated with the output end of the air pump, the other end of the air duct 13 is arranged at the bottom end of the biological filter 2, and a plurality of aeration heads 14 are uniformly distributed at one end of the air duct 13, which is positioned at the inner side of the biological filter 2.

Specifically, when aeration component during operation, the air that will through the air pump is leading-in air duct 13 in, and in the leading-in a plurality of aeration head 14 of rethread air duct 13, aeration head 14 refines the leading-in sewage of air, increases the oxygen content in the inside sewage of biological filter 2, improves the organic matter decomposition efficiency of microorganism, and then improves organic matter processing speed.

It should be noted that, the tip that air duct 13 is close to biological filter 2 is equipped with a plurality of outlet duct, and outlet duct evenly distributed is in biological filter 2, and a plurality of aeration head 14 is evenly installed on the outlet duct, and then makes aeration component can be even carry out aeration operation to biological filter 2 inside, stably promotes the oxygen content in the sewage.

Further:

in order to solve the technical problem of how to treat inorganic substances in sewage, as shown in fig. 9:

be equipped with in the chemical sedimentation tank 3 and spout medicine subassembly and heating element, spout the medicine unit mount in the top of chemical sedimentation tank 3, heating element installs the inside at chemical sedimentation tank 3.

Specifically, when handling building site maintenance waste water, spout chemical spraying 3 in will handling the medicament through spouting the medicine subassembly, heating element heats 3 inside temperatures in chemical settling basin to best reaction temperature to with the temperature control all the time near reaction temperature, improve reaction efficiency, and then promote the treatment effect to inorganic pollutant.

It should be noted that, the water outlet of the chemical sedimentation tank 3 is provided with a filter screen, so that the reaction precipitate is blocked inside the chemical sedimentation tank 3, and the precipitate inside the chemical sedimentation tank 3 is salvaged through manual work or salvage equipment, so that the normal operation of the reaction in the chemical sedimentation tank 3 is maintained. And then can realize the high efficiency to the inorganic pollutant's processing filter effect.

Further, as shown in fig. 9:

spout the medicine subassembly including liquid medicine solution tank 15, liquid guide pipe 16, shower nozzle 17 and solenoid valve 18, liquid medicine solution tank 15 sets up in the 3 outsides of chemical settling basin, liquid guide pipe 16's one end and the inside intercommunication of liquid medicine solution tank 15, liquid guide pipe 16's the other end sets up in 3 tops of chemical settling basin, solenoid valve 18 is installed and is being close to one end of liquid medicine solution tank 15 at liquid guide pipe 16, shower nozzle 17 is equipped with a plurality of, 17 evenly distributed of a plurality of shower nozzle are on chemical settling basin 3, the one end intercommunication of liquid medicine solution tank 15 is all kept away from with liquid guide pipe 16 to a plurality of shower nozzle 17.

It is specific, when medicine treatment is spouted to needs, switch through the solenoid valve 18 control catheter 16, open catheter 16, the liquid medicine passes through in liquid medicine solution tank 15 inflow catheter 16, the shower nozzle 17 of rethread catheter 16 tip evenly spouts the liquid medicine into chemical sedimentation tank 3 in, the realization is to chemical sedimentation tank 3 spout the medicine process, the medicament reacts with 3 inside sewage in chemical sedimentation tank, get rid of the inorganic pollutant in the sewage, make inorganic pollutant reaction form compound flocculation and subside to 3 bottoms in chemical sedimentation tank, sewage discharge chemical sedimentation tank 3 after the processing, and then accomplish the process of sewage inorganic pollutant's treatment.

Further, as shown in fig. 9:

heating element is including annular electric heating wire 19, second rotary actuator 20, pivot 21, stirring rake 22 and temperature detect sensor 23, annular electric heating wire 19 annular is installed on 3 lateral walls of chemical sedimentation tank, 20 horizontal installation of second rotary actuator are on 3 lateral walls of chemical sedimentation tank, the pivot 21 level sets up in chemical sedimentation tank 3, the both ends of pivot 21 and 3 inside wall coupling of chemical sedimentation tank, the fixed cover of stirring rake 22 is established on pivot 21, the output of second rotary actuator 20 is connected with the wherein one end transmission of pivot 21, temperature detect sensor 23 sets up on chemical sedimentation tank 3, the sense terminal setting of temperature detect sensor 23 is inside chemical sedimentation tank 3.

Specific, at heating element during operation, through the inside sewage heating of annular electric heating wire 19 output with chemical sedimentation tank 3, make sewage be in best reaction temperature, and then improve the treatment effeciency of the inorganic pollutant of sewage, in the heating, second rotary actuator 20 output drives pivot 21 and rotates, pivot 21 drives fixed mounting and carries out the rotation operation in step at the epaxial stirring rake 22 of pivot 21, stirring rake 22 stirs the inside sewage of chemical sedimentation tank 3, make sewage be heated evenly in the chemical sedimentation tank 3, read the temperature of sewage in the chemical sedimentation tank 3 through temperature detection sensor 23, and then can be convenient for realize making sewage keep homothermal function. Further improving the sewage treatment efficiency.

In order to solve the technical problem of recycling of the treated sewage, as shown in fig. 10:

sewage recovery unit 5 is including holding water tower 24, water storage pipeline 25 and suction pump, and the side at ecological pool 4 is installed to holding water tower 24, and holding water tower 24 is installed at ecological pool 4 side, and 24 a plurality of water storage towers, the one end and the inside intercommunication of water storage pipeline 25, the other end of water storage pipeline 25 and ecological pool 4's play water end intercommunication, and the suction pump sets up inside holding water tower 24.

Specifically, the water purified by the ecological pool 4 is introduced into the water storage tower 24 through the water storage pipeline 25 for storage, and the water in the water storage tower 24 can be reintroduced into the water using pipeline of the construction site for use, thereby completing the operation of collecting and utilizing the treated wastewater again. The utilization ratio of water resource is improved, the function of waste water recycling can be realized, and the municipal water consumption is reduced.

It should be noted that the rainwater sewage can be directly used as domestic water after being treated, and the construction site maintenance wastewater can be used as water for dust fall, cleaning and the like in the construction site after being treated, so that the classification and utilization of the wastewater are realized, that is, the water health is ensured, and the full utilization of the wastewater can be realized.

This application has realized the settlement filter effect to building waste water through tertiary filter tank, has promoted waste water quality of water for building site waste water can be handled and utilize on the spot, avoids sewage to carry repeatedly, has reduced processing and use cost, improves environmental protection effect and economic benefits.

The foregoing shows and describes the general principles, essential features, and advantages of the 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 merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the 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.