High-efficient sewage treatment system of modularization biomembrane bed
1. The utility model provides a high-efficient sewage treatment system of modularization biomembrane bed, includes grid pond (1), equalizing basin (2), filter material room (3), dephosphorization wetland (4) and inlet tube (13), its characterized in that: the output end of the grating pool (1) is fixedly communicated with the input end of the adjusting pool (2), the bottom of the adjusting pool (2) is fixedly provided with a lifting pump (5), the input end of the lifting pump (5) is communicated with the adjusting pool (2), the output end of the lifting pump (5) is fixedly communicated with a lifting pipe (6), the top end of the lifting pipe (6) is fixedly communicated with a high-level water tank (7) arranged at the top of the inner wall of the filter house (3), the bottom of the inner wall of the filter house (3) is fixedly provided with two groups of biomembrane beds (8), the tops of the inner walls of the two groups of biomembrane beds (8) are fixedly provided with water distribution tanks (9), the two sides of the high-level water tank (7) are fixedly communicated with water distribution pipes (10), one ends of the two water distribution pipes (10) are respectively fixedly communicated with the two water distribution tanks (9), and the bottoms of the inner walls of the two groups of biomembrane beds (8) are fixedly provided with dephosphorization filter materials (11) and volcanic rock filter materials (12), two sets of the bottom of biomembrane bed (8) all is fixed the intercommunication has a plurality of branch pipes, and is a plurality of the upside in inlet tube (13) of branch pipe all fixed intercommunication, the fixed intercommunication of one end of inlet tube (13) has sedimentation tank (14), sedimentation tank (14) deviate from one side fixed intercommunication of inlet tube (13) has the outlet pipe, the fixed intercommunication of one end of outlet pipe has dephosphorization wetland (4), filter material standing groove (15) have all been seted up to the both sides of dephosphorization wetland (4) inner wall, the middle part packing of dephosphorization wetland (4) inner wall has the dephosphorization filler, dephosphorization wetland (4) inside fixed be provided with the perforation tracery wall (16) that are located dephosphorization filler both sides.
2. The modular biofilm bed high efficiency sewage treatment system of claim 1, wherein: a rotary grating machine (17) is fixedly arranged in the grating pool (1).
3. The modular biofilm bed high efficiency sewage treatment system of claim 1, wherein: the cleaning mechanism is fixedly arranged in each of the two water distribution tanks (9) and comprises a rack (18), a water inlet main pipe (19), water inlet branch pipes (20), a protective cover (21), a spray pipe shaking motor driving assembly (22) and a walking motor driving assembly (23), slide rails (24) are fixedly arranged at the tops of two sides of the rack (18), two slide blocks are respectively and slidably connected to one sides of the two slide rails (24), supports (25) are respectively and fixedly connected to one sides of the four slide blocks, the water inlet branch pipes (20) are respectively and fixedly arranged between every two four supports (25), the two adjacent water inlet branch pipes (20) are mutually communicated, a plurality of spray heads (26) are respectively and fixedly communicated with the bottoms of the four water inlet branch pipes (20), and the top ends of the four supports (25) are respectively and fixedly connected to the top end of the protective cover (21), the inside of protection casing (21) is equipped with the shower and waves motor drive subassembly (22) and walking motor drive subassembly (23), the middle part of frame (18) one side is equipped with chain support (27), the top that chain supported (27) is equipped with tank chain (28), the inside of tank chain (28) is run through and is had into water and be responsible for (19), the one end of being responsible for (19) of intaking and the fixed intercommunication of downside of one of them branch pipe of intaking (20), it is provided with two chain bearing rollers (29) that are located tank chain (28) one side to rotate on frame (18).
4. The modular biofilm bed high efficiency sewage treatment system of claim 1, wherein: the inside of sedimentation tank (14) is equipped with swash plate (36), the fixed intercommunication in top of sedimentation tank (14) has back flow (31), the one end and grid pond (1) of back flow (31) communicate with each other, the bottom of sedimentation tank (14) is connected with the mud pump, the output intercommunication of mud pump has mud sedimentation tank (30), the fixed intercommunication in supernatant extraction pipe and equalizing basin (2) is passed through to one side of mud sedimentation tank (30).
5. The modular biofilm bed high efficiency sewage treatment system of claim 1, wherein: the top fixed mounting of filter material room (3) has a plurality of unpowered fan (32), a plurality of shutter (35) have all been seted up to the both sides of filter material room (3).
6. The modular biofilm bed high efficiency sewage treatment system of claim 1, wherein: mesh bag filter materials (33) are placed in the filter material placing grooves (15), and glass fiber reinforced plastic cover plates (37) are arranged at the tops of the filter material placing grooves (15).
7. The modular biofilm bed high efficiency sewage treatment system of claim 1, wherein: and a sunlight plate partition plate (34) positioned between the two groups of biomembrane beds (8) is fixedly arranged in the material filtering room (3).
Background
The human-average level of Chinese fresh water resources is at the end of the world, along with the improvement of science and technology and the improvement of the living standard of people, the usage amount of industrial and domestic water is continuously increased, the discharge amount of sewage is increased year by year, the treatment of the sewage is particularly important for reducing the pollution to the water resources, the operation of the existing sewage treatment system is unstable, the integral treatment energy consumption is high, and the treatment efficiency and the quality are lower.
Disclosure of Invention
The invention aims to provide a modular biofilm bed high-efficiency sewage treatment system, which aims to solve the problems that the existing sewage treatment system provided by the background technology is unstable in operation, high in overall treatment energy consumption and low in treatment efficiency and quality.
In order to achieve the purpose, the invention provides the following technical scheme: a modularized biomembrane bed high-efficiency sewage treatment system comprises a grating tank, an adjusting tank, a filter material room, a dephosphorization wetland and a water inlet pipe, wherein the output end of the grating tank is fixedly communicated with the input end of the adjusting tank, the bottom of the adjusting tank is fixedly provided with a lift pump, the input end of the lift pump is communicated with the adjusting tank, the output end of the lift pump is fixedly communicated with a lift pipe, the top end of the lift pipe is fixedly communicated with a high-level water tank arranged at the top of the inner wall of the filter material room, the bottom of the inner wall of the filter material room is fixedly provided with two groups of biomembrane beds, the tops of the inner walls of the two groups of biomembrane beds are both fixedly provided with water distribution tanks, both sides of the high-level water tank are both fixedly communicated with water distribution pipes, one ends of the two water distribution pipes are respectively fixedly communicated with the two water distribution tanks, and the bottoms of the inner walls of the two groups of biomembrane beds are both fixedly provided with dephosphorization filter materials and volcanic rock filter materials, the bottom of biomembrane bed all is fixed the intercommunication has a plurality of branch pipes, and is a plurality of the branch pipe all is fixed to be communicated in the upside of inlet tube, the fixed intercommunication of one end of inlet tube has the sedimentation tank, the sedimentation tank deviates from the fixed intercommunication of one side of inlet tube and has the outlet pipe, the fixed intercommunication of one end of outlet pipe has the dephosphorization wetland, the filter material standing groove has all been seted up to the both sides of dephosphorization wetland inner wall, the middle part packing of dephosphorization wetland inner wall has the dephosphorization filler, the inside fixed perforation tracery wall that is located dephosphorization filler both sides that is provided with of dephosphorization wetland.
As a preferable technical scheme of the invention, a rotary grating machine is fixedly arranged in the grating tank.
As a preferred technical scheme of the invention, the interior of two water distribution tanks is fixedly provided with a cleaning mechanism, the cleaning mechanism comprises a frame, a main water inlet pipe, branch water inlet pipes, a protective cover, a spray pipe shaking motor driving assembly and a walking motor driving assembly, the tops of two sides of the frame are fixedly provided with slide rails, one side of each slide rail is connected with two slide blocks in a sliding manner, one side of each slide block is fixedly connected with a support, the branch water inlet pipes are fixedly arranged between every two four supports, the adjacent two branch water inlet pipes are mutually communicated, the bottoms of the four branch water inlet pipes are fixedly communicated with a plurality of spray heads, the top ends of the four supports are fixedly connected with the top end of the protective cover, the interior of the protective cover is provided with the spray pipe shaking motor driving assembly and the walking motor driving assembly, the middle part of one side of the frame is provided with a chain support, the top that the chain supported is equipped with the tank chain, the inside of tank chain is run through and is had into water and be responsible for, the one end of being responsible for of intaking and the fixed intercommunication of downside of one of them branch pipe of intaking, it is provided with two chain bearing rollers that are located tank chain one side to rotate in the frame.
As a preferable technical scheme of the invention, an inclined plate is arranged in the sedimentation tank, a return pipe is fixedly communicated with the top of the sedimentation tank, one end of the return pipe is communicated with the grid tank, the bottom of the sedimentation tank is connected with a mud pump, the output end of the mud pump is communicated with a mud sedimentation tank, and one side of the mud sedimentation tank is fixedly communicated with the regulating tank through a supernatant liquid extraction pipe.
As a preferred technical scheme of the invention, a plurality of unpowered fans are fixedly mounted at the top of the filtering room, and a plurality of shutters are arranged on both sides of the filtering room.
As a preferred technical scheme, mesh bag filter materials are placed inside the two filter material placing grooves, and glass fiber reinforced plastic cover plates are arranged at the tops of the two filter material placing grooves.
As a preferable technical scheme of the invention, a sunlight plate partition plate positioned between two groups of biomembrane beds is fixedly arranged in the material filtering room.
Compared with the prior art, the invention has the beneficial effects that:
1. the investment is saved, the operating cost is low: compared with the traditional biochemical treatment process, the cost of per ton water engineering can be saved by more than 30 percent; the running cost is generally not more than 0.15 yuan/m 3;
2. the energy consumption is low, natural ventilation is adopted, aeration is not needed, only one-time hydraulic lifting is needed, and the energy consumption per ton of water is about 0.12 kW.h;
3. the management is simple and convenient, the intelligent degree is high, the system automatically operates, special people are not required for management, and only regular inspection is needed;
4. the noise is low, no smell is generated, the environment is friendly, the appearance design is beautiful and elegant, and the appearance is consistent with the surrounding environment;
5. the occupied area is small, and the occupied area can be saved by 20-30% compared with other traditional processes;
6. is suitable for the on-site treatment and reuse of rural domestic sewage, tourist attraction sewage, landscape water, lake water and the like with small water quantity and large water quality and quantity change.
Drawings
FIG. 1 is a front connection view of the present invention;
FIG. 2 is a side view of a filter media house of the present invention;
FIG. 3 is a front view of a filter media house of the present invention;
FIG. 4 is a structural diagram of the dephosphorization wetland of the invention;
FIG. 5 is a structural view of a settling tank according to the present invention;
FIG. 6 is a block diagram of a grid cell of the present invention;
FIG. 7 is a partial block diagram of a filter house according to the present invention;
FIG. 8 is a block diagram of the cleaning system of the present invention;
FIG. 9 is a process flow diagram of the present invention.
In the figure: 1. a grid tank; 2. a regulating tank; 3. a material filtering room; 4. removing phosphorus from the wetland; 5. a lift pump; 6. a riser tube; 7. a high-level water tank; 8. a biofilm bed; 9. a water distribution tank; 10. a water distribution pipe; 11. a dephosphorization filter material; 12. volcanic rock filter material; 13. a water inlet pipe; 14. a sedimentation tank; 15. a filter material placing groove; 16. perforating a tracery wall; 17. a rotary screen machine; 18. a frame; 19. a main water inlet pipe; 20. a water inlet branch pipe; 21. a protective cover; 22. the spray pipe shakes the motor driving assembly; 23. a travel motor drive assembly; 24. a slide rail; 25. a support; 26. a shower head; 27. supporting the chain; 28. a tank chain; 29. a chain carrier roller; 30. a mud sedimentation tank; 31. a return pipe; 32. an unpowered fan; 33. filtering the materials by a mesh bag; 34. a solar panel baffle; 35. a blind window; 36. a sloping plate; 37. a glass fiber reinforced plastic cover plate.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-9, the invention provides a modular biofilm bed high-efficiency sewage treatment system, which comprises a grid tank 1, an adjusting tank 2, a filter material room 3, a dephosphorization wetland 4 and a water inlet pipe 13, wherein the output end of the grid tank 1 is fixedly communicated with the input end of the adjusting tank 2, the grid tank 1 is used for removing coarse suspended matters which can block a water pump unit and a pipeline valve, and ensuring that subsequent treatment facilities can normally operate, and the wastewater changes along with the change of production conditions in the discharge process, so that the water quality and the water quantity are not uniform and unstable, particularly when accidents or rainwater are too much in production, the water quality and the water quantity of the wastewater change greatly, the change can cause the abnormality of the wastewater treatment process, the treatment effect is reduced, the design load of treatment equipment cannot be fully exerted, and in order to ensure that the treatment process normally works and is not influenced by the peak flow rate or the peak concentration change of the wastewater, the wastewater is required to have a stable water quantity and uniform water quality before being treated, the water quality and the water quantity must be regulated, the adjusting tank 2 is arranged to meet the requirement, the bottom of the adjusting tank 2 is fixedly provided with a lift pump 5, the input end of the lift pump 5 is communicated with the adjusting tank 2, the output end of the lift pump 5 is fixedly communicated with a lift pipe 6, the top end of the lift pipe 6 is fixedly communicated with a high-level water tank 7 arranged at the top of the inner wall of a filter material room 3, the bottom of the inner wall of the filter material room 3 is fixedly provided with two groups of biomembrane beds 8, the tops of the inner walls of the two groups of biomembrane beds 8 are respectively and fixedly provided with a water distribution tank 9, both sides of the high-level water tank 7 are respectively and fixedly communicated with water distribution pipes 10, one end of each water distribution pipe 10 is respectively and fixedly communicated with the two water distribution tanks 9, the bottoms of the inner walls of the two groups of biomembrane beds 8 are respectively and fixedly provided with a dephosphorization filter material 11 and a volcanic filter material 12, when the wastewater flows through a combination of rich biomembranes from top to bottom, pollutants wherein are adsorbed by microorganism, degrade, thereby make sewage purify, the bottom of two sets of biomembrane beds 8 is all fixed the intercommunication and is had a plurality of branch pipes, a plurality of branch pipes are all fixed the intercommunication in the upside of inlet tube 13, the fixed intercommunication of one end of inlet tube 13 has sedimentation tank 14, the fixed intercommunication in one side that sedimentation tank 14 deviates from inlet tube 13 has the outlet pipe, the fixed intercommunication of one end of outlet pipe has dephosphorization wetland 4, filter material standing groove 15 has all been seted up to the both sides of dephosphorization wetland 4 inner walls, the middle part packing of dephosphorization wetland 4 inner walls has the dephosphorization filler, dephosphorization wetland 4 inside fixed be provided with the perforation tracery wall 16 that is located dephosphorization filler both sides.
Preferably, a rotary grating machine 17 is fixedly arranged in the grating tank 1, and can carry out coarse suspended matters in sewage.
Preferably, the cleaning mechanisms are fixedly arranged inside the two water distribution tanks 9, each cleaning mechanism comprises a frame 18, a water inlet main pipe 19, a water inlet branch pipe 20, a protective cover 21, a spray pipe shaking motor driving assembly 22 and a walking motor driving assembly 23, slide rails 24 are fixedly arranged at the tops of two sides of the frame 18, two slide blocks are slidably connected to one sides of the two slide rails 24, a support 25 is fixedly connected to one side of each slide block, the water inlet branch pipes 20 are fixedly arranged between every two of the four support 25, two adjacent water inlet branch pipes 20 are communicated with each other, a plurality of spray heads 26 are fixedly communicated with the bottoms of the four water inlet branch pipes 20, the top ends of the four support 25 are fixedly connected to the top end of the protective cover 21, the spray pipe shaking motor driving assembly 22 and the walking motor driving assembly 23 are arranged inside the protective cover 21, a chain support 27 is arranged in the middle of one side of the frame 18, and a tank chain 28 is arranged at the top of the chain support 27, tank chain 28's inside is run through and is had into water and be responsible for 19, the one end of the person in charge of 19 of intaking and one of them the fixed intercommunication of downside of branch pipe 20 of intaking, it is provided with two chain bearing rollers 29 that are located tank chain 28 one side to rotate on the frame 18, the ageing biomembrane of dirt and top layer biological filter material on the distributing trough 9 can be got rid of in the operation process, effectively prevent to mainly distribute the water trough 9 and command the delivery port of basin 9 and block up, the even water of guarantee, improve water treatment effeciency.
Preferably, the inclined plate 36 is arranged in the sedimentation tank 14, the top of the sedimentation tank 14 is fixedly communicated with the return pipe 31, one end of the return pipe 31 is communicated with the grid tank 1, the bottom of the sedimentation tank 14 is connected with the mud pump, the output end of the mud pump is communicated with the mud sedimentation tank 30, one side of the mud sedimentation tank 30 is fixedly communicated with the adjusting tank 2 through the supernatant liquid extraction pipe, the sedimentation tank 14 mainly has the function of removing suspended solid suspended matters which can be precipitated in sewage and separating mud and water, most of the discharged supernatant liquid is discharged into the dephosphorization wetland 4, and the small part of the discharged supernatant liquid flows back to the grid tank 1 to adjust the water quality.
Preferably, the top fixed mounting of filter material room 3 has a plurality of unpowered fan 32, and a plurality of shutters 35 have all been seted up to the both sides of filter material room 3, increase the air volume in the filter material room 3, make the biomembrane on the filter material obtain more oxygen, make COD and ammonia nitrogen degradation more abundant.
Preferentially, the mesh bag filter materials 33 are placed in the two filter material placing grooves 15, the glass fiber reinforced plastic cover plates 37 are arranged at the tops of the two filter material placing grooves 15, the front sections of the high-efficiency dephosphorization wetland 4 can be prevented from being blocked, the mesh bag filter materials are convenient to clean, and the dephosphorization effect of the wetland is improved.
Preferably, a sunlight plate partition plate 34 positioned between the two groups of biomembrane beds 8 is fixedly arranged in the filter material room 3.
When the modularized biological membrane bed high-efficiency sewage treatment system is used, domestic sewage enters a regulating tank 2 through a collecting system to be balanced in water quantity and water quality, meanwhile, a grid tank 1 is arranged at the front end of the system to intercept coarse suspended matters and floating matters in the water and protect a lifting pump 5 and the normal operation of subsequent processes, the lifting pump 5 is arranged in the regulating tank 2 to lift the sewage into a high-level water tank 7 and distribute the sewage to a biological membrane bed 8 through the high-level water tank 7, when the sewage flows through a combined filter material with rich biological membranes from top to bottom, pollutants in the sewage are adsorbed and degraded by microorganisms so as to purify the sewage, the effluent treated by the biological membrane bed 8 enters a sedimentation tank 14, a part of the sewage separated from a composite biological filter system by sedimentation enters a phosphorus removal wetland 4, the environment in the phosphorus removal wetland 4 is mainly deficient in (anaerobic) oxygen, and nitrate nitrogen remained after the composite biological filter system is discharged out of the system in a gaseous state through the microbial denitrification, further enhances the denitrification effect, phosphorus removal is mainly realized through the adsorption and chemical precipitation of the phosphorus removal biological filler, the main components of the phosphorus removal biological filler are quicklime, gypsum, fly ash and the like, the high water level of the wetland is contacted with the bottom of the soil above the wetland, so that the vegetation above the wetland is free from the workload of watering all the year round, the vigorous growth of the vegetation is ensured, the dephosphorization effect is further enhanced, the defect that the root system of the vegetation of the traditional wetland blocks the wetland is effectively overcome, the other part of the vegetation returns to the regulating tank 2 for retreatment, the sewage enters a horizontal subsurface flow wetland system, under the combined action of the filler, soil and plants, organic matters, nitrogen and phosphorus are further removed, the effluent is discharged after reaching standards, and the whole system combines field control and remote monitoring control of a PLC interface to realize the functions of starting a water pump, remotely controlling the pump change and alarming faults.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.