CN210193624U

CN210193624U - MBR filters formula sewage treatment plant

Info

Publication number: CN210193624U
Application number: CN201920972322.0U
Authority: CN
Inventors: Jiangtao Wu; 吴江涛; Haitao Wu; 吴海涛; Xuesong Lyu; 吕雪松; Qing Yan; 闫庆
Original assignee: Suzhou Feiniu Environmental Protection Technology Co ltd
Current assignee: Suzhou Feiniu Environmental Protection Technology Co ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-03-27
Anticipated expiration: 2029-06-26

Abstract

The utility model relates to a MBR filters formula sewage treatment plant, include: a water collecting tank, an aerobic tank, a sedimentation tank, an MBR treatment tank and a sludge separator; the upper end of the water collecting tank is provided with a water inlet pipe; a grating plate is arranged in the water collecting tank; the lower end of the water collecting tank is provided with a water outlet; a first delivery pipe is arranged on the water outlet; the water collecting tank is connected with the aerobic tank through a first conveying pipe; an aeration device is arranged in the aerobic tank; the upper end of the sedimentation tank is provided with a supernatant outlet; a supernatant conveying pipe is arranged on the supernatant outlet; the sedimentation tank is connected with the MBR treatment tank through a supernatant conveying pipe; the lower end of the sedimentation tank is provided with a lower turbid liquid outlet; a lower turbid liquid conveying pipe is arranged on the lower turbid liquid outlet; the sedimentation tank is connected with the sludge-sewage separator through a lower turbid liquid conveying pipe; an MBR membrane device is arranged in the MBR treatment tank. The utility model discloses a pond of design difference filters the recovery, has reduced MBR membrane device's actual operating pressure to reduce MBR membrane device's maintenance number of times, increase whole operating stability, and effectively improve washing efficiency.

Description

MBR filters formula sewage treatment plant

Technical Field

The utility model relates to a sewage treatment field, in particular to MBR filters formula sewage treatment plant.

Background

Along with the continuous development of science and technology, various pollutants emerge endlessly, and no better treatment mode is provided for the pollutants, the pollution of the ecological environment is increasingly serious, the pollution of the ecological environment is serious, the pollution of surface water is more obvious, and the pollution of underground water is also a surprise. In 13 hundred million people in China, 70% of groundwater is drunk, and in more than 660 cities, more than 400 cities use groundwater as drinking water sources. But 90% of the municipal groundwater throughout the country has been described to be contaminated.

In the existing life, the schedule is particularly provided for sewage treatment. The conventional MBR sewage treatment needs to flush and clean an MBR membrane component in practical application, the conventional mode needs to flush for many times, and the MBR membrane component needs to be backwashed after a period of time, so that the overall efficiency is low.

Patent number CN201420176312.3 discloses an MBR water treatment device, which comprises an adjusting tank, an MBR reaction tank and a clean water tank, wherein a grating is arranged at the water inlet of the adjusting tank, the grating gap of the grating is 1-2mm, a first-stage lift pump is arranged between the water outlet of the adjusting tank and the water inlet of the MBR reaction tank, and a self-priming pump is arranged between the water outlet of the MBR reaction tank and the water inlet of the clean water tank; be provided with MBR filtration membrane module in the MBR reaction tank, MBR filtration membrane module includes the stainless steel frame and sets up the inside a plurality of bonding of stainless steel frame are together the sutural diaphragm all around, the diaphragm includes that the dislysate collects the layer and sets up the selectivity rete of dislysate collection layer both sides. Although the utility model discloses a to a certain extent has also played the effect of clean water, but clean efficiency and cleanliness factor do not have great promotion, and clean technology is also comparatively single. Therefore, an MBR filtering type sewage treatment device which has high cleaning efficiency and effectively cleans a water source is urgently needed.

Disclosure of Invention

The to-be-solved problem of the utility model is to provide an easy operation, job stabilization and efficient MBR filtration formula sewage treatment plant.

In order to solve the problem, the utility model provides an MBR filters formula sewage treatment plant, include

A water collecting tank, an aerobic tank, a sedimentation tank, an MBR treatment tank and a sludge separator;

a water inlet pipe is arranged at the upper end of the water collecting tank; a grating plate is arranged in the water collecting tank; the grating plate is arranged at the lower end of the outlet of the water inlet pipe; a water outlet is formed in the lower end of the water collecting tank; a first conveying pipe is arranged on the water outlet; the water collecting tank is connected with the aerobic tank through a first conveying pipe; an aeration device is arranged in the aerobic tank; a second conveying pipe is arranged between the aerobic tank and the sedimentation tank; the upper end of the sedimentation tank is provided with a supernatant outlet; a supernatant conveying pipe is arranged on the supernatant outlet; the sedimentation tank is connected with the MBR treatment tank through a supernatant conveying pipe; the lower end of the sedimentation tank is provided with a lower turbid liquid outlet; a lower turbid liquid conveying pipe is arranged on the lower turbid liquid outlet; the sedimentation tank is connected with the sludge-sewage separator through a lower turbid liquid conveying pipe; and an MBR membrane device is arranged in the MBR treatment tank.

The beneficial effects of the utility model are that, filter the recovery through the pond of designing the difference, overall structure adopts the mud of two segmentations to retrieve, the actual operating pressure of MBR membrane device has been reduced, and then reduce the maintenance number of times of MBR membrane device, increase holistic operating stability, mixed fluid reservoir then is used for collecting the flushing water, the condition that the filter water yield was low excessively appears when preventing actually washing, mixed fluid reservoir simultaneously can also be used for adding corresponding washing liquid, thereby traditional washing repeatedly has been avoided, the effectual washing efficiency that has improved.

Furthermore, the lower end of the grating plate is provided with a fixed seat; the fixed seats are symmetrically arranged with the central line of the grating plate; and the grid plate is provided with a fixing screw. The fixing base is fixed on the inner wall of the water collecting tank, the grid plates are fixed on the fixing base through the fixing screws, the fixing effect of the grid plates can be stabilized, the grid plates are convenient to detach and replace, and the working efficiency is high.

Further, the aeration device comprises a fan and an aeration disc; the fan is fixed at the top end of the aerobic tank; the lower end of the fan is provided with a ventilation pipe; an air inlet is arranged on the aeration disc; the lower end of the ventilation pipe is connected with the air inlet. Oxygen is transmitted into the aerobic tank under the action of the fan, so that the oxygen capacity in the sewage is increased, and the decomposition of organic matters is facilitated.

Further, an air outlet is formed in the upper surface of the aeration disc; the air outlets are arranged in an array; and fixing screws are arranged on two sides of the aeration disc. The aeration disc is fixed at the inner bottom of the aerobic tank through the fixing screws, the installation and the disassembly are simple and convenient, and the dissolved oxygen in the sewage is increased through the aeration device, so that the decomposition of organic matters by aerobic organisms is facilitated.

Further, a water outlet of the sludge separator is arranged on the sludge separator; a third conveying pipe is arranged at the water outlet of the sludge separator; a liquid inlet is formed in the MBR treatment tank; and the water outlet and the liquid inlet of the sludge separator are connected through a third conveying pipe. Through the third conveyer pipe, handle the pond with mud and sewage separator and MBR and connect, simple effectual liquid after clean in with mud and sewage separator transmits to MBR and handles the pond in, easy operation is effective, and the practicality is strong.

Further, a material adding port is formed in the sludge separator; the lower end of the lower turbid liquid conveying pipe is connected with the material adding port. Through directly being connected with the material interpolation mouth of turbid liquid conveyer pipe down, liquid directly contacts with the material, more effective convenient going on cleanly.

Further, a sludge discharge port is formed at the lower end of the MBR treatment tank; a sludge pumping pipe is arranged on the sludge discharge port; a water inlet is arranged on the sludge separator; one end of the sludge pumping pipe is connected with the water inlet. And pumping the residual unclean liquid in the MBR treatment tank into a sludge separator through a sludge pumping pipe, and further performing cleaning treatment to ensure the cleanness of the liquid.

Furthermore, a flushing port is arranged at the upper end of the MBR treatment tank; a flushing pipeline is arranged at the upper end of the flushing port; and one end of the flushing pipeline is provided with a mixed liquid tank. The mixed fluid reservoir is used for collecting the flushing water, the condition that the filter water yield is too low appears when preventing actually washing, and the mixed fluid reservoir can also be used for adding corresponding washing liquid simultaneously to avoided traditional washing repeatedly, the effectual flushing efficiency that has improved.

Further, a liquid inlet of the mixed liquid tank is arranged on the mixed liquid tank; a connecting pipeline is arranged on the liquid inlet of the mixed liquid tank; and one end of the connecting pipeline is provided with a precision filter. The precise filter realizes the particle purification in the tap water, further purifies the water treatment, and ensures the working effectiveness and the cleanness in the tap water.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a structural diagram of an MBR filtering type sewage treatment device of the utility model;

FIG. 2 is a schematic view of a sump according to the present invention;

FIG. 3 is a schematic view of an aerobic tank of the present invention.

The corresponding part names indicated by the numbers in the figures:

1. a water collecting tank; 2. an aerobic tank; 3. a sedimentation tank; 4. a sludge separator; 5. an MBR treatment tank; 6. a grid plate; 7. a water inlet pipe; 8. a fixed seat; 9. a first delivery pipe; 10. a second delivery pipe; 11. an aeration disc; 12. a fan; 13. a water pump; 14. a supernatant fluid conveying pipe; 15. an MBR membrane unit; 16. a turbid liquid conveying pipe is arranged; 17. a third delivery pipe; 18. a clean water discharge pump; 19. a flush tube; 20. a booster pump; 21. a precision filter; 22. a mixed liquid tank; 23. a sludge pumping pipe; 24. a water outlet; 25. an aeration device; 26. a supernatant outlet; 27. a lower turbid liquid outlet; 28. a water outlet of the sludge separator; 29. a liquid inlet; 30. a material adding port; 31. a sludge discharge port; 32. a water inlet; 33. flushing the opening; 34. flushing the pipeline; 35. a liquid inlet of the mixed liquid tank; 36. connecting a pipeline; 37. fixing screws; 38. a vent pipe; 39. an air inlet; 40. and an air outlet.

Detailed Description

The following detailed description is made in conjunction with specific embodiments of the present invention:

As shown in figure 1, the utility model solves the problems, and the utility model provides an MBR filtering type sewage treatment device, which comprises

A water collecting tank 1, an aerobic tank 2, a sedimentation tank 3, an MBR treatment tank 5 and a sludge separator 4;

a water inlet pipe 7 is arranged at the upper end of the water collecting tank 1; a grid plate 6 is arranged in the water collecting tank 1; the grating plate 6 is arranged at the lower end of the outlet of the water inlet pipe 7; a water outlet 24 is formed at the lower end of the water collecting tank 1; a first delivery pipe 9 is arranged on the water outlet 24; the water collecting tank 1 is connected with the aerobic tank 2 through a first conveying pipe 9; an aeration device 25 is arranged in the aerobic tank 2; a second conveying pipe 10 is arranged between the aerobic tank 2 and the sedimentation tank 3; the upper end of the sedimentation tank 3 is provided with a supernatant outlet 26; the supernatant outlet 26 is provided with a supernatant conveying pipe 14; the sedimentation tank 3 is connected with the MBR treatment tank 5 through a supernatant conveying pipe 14; the lower end of the sedimentation tank 3 is provided with a lower turbid liquid outlet 27; the lower turbid liquid outlet 27 is provided with a lower turbid liquid conveying pipe 6; the sedimentation tank 3 is connected with the sludge-sewage separator 4 through a lower turbid liquid conveying pipe 6; an MBR membrane device 15 is arranged in the MBR treatment tank 5.

The beneficial effects of the utility model are that, filter the recovery through the pond of design difference, overall structure adopts the mud of two segmentations to retrieve, the actual operating pressure of MBR membrane device 15 has been reduced, and then reduce MBR membrane device 15's maintenance number of times, increase holistic operating stability, mixed fluid reservoir 22 then is used for collecting the flushing water, the condition that the filter water yield was low excessively appears when preventing actually to wash, mixed fluid reservoir 22 can also be used for adding corresponding washing liquid simultaneously, thereby traditional washing repeatedly has been avoided, the effectual washing efficiency that has improved.

As shown in fig. 2, further, a fixing seat 8 is arranged at the lower end of the grating plate 6; the fixed seats 8 are symmetrically arranged with the central line of the grating plate 6; and the grid plate 6 is provided with a fixing screw. Fixing base 8 is fixed on the inner wall of catch basin 1, and grid plate 6 passes through the fixed screw to be fixed on fixing base 8, through this kind of fixed mode, can stabilize grid plate 6's fixed effect, also convenient dismantlement is changed, and work efficiency is high.

As shown in fig. 3, further, the aeration device 25 includes a fan 12, an aeration disc 11; the fan 12 is fixed at the top end of the aerobic tank 2; the lower end of the fan 2 is provided with a vent pipe 38; an air inlet 39 is arranged on the aeration disc 11; the lower end of the ventilation tube 38 is connected to the air inlet 39. Oxygen is transferred into the aerobic tank 2 through the action of the fan 12, so that the oxygen capacity in the sewage is increased, and the decomposition of organic matters is facilitated.

Further, an air outlet 40 is arranged on the upper surface of the aeration disc 11; the air outlets 40 are arranged in an array; and fixing screws 37 are arranged on two sides of the aeration disc 11. The aeration disc 11 is fixed at the inner bottom of the aerobic tank 2 by the fixing screws 37, and the installation and the disassembly are simple and convenient, and the dissolved oxygen in the sewage is increased by the aeration device 25, thereby helping the aerobic organisms to decompose the organic matters.

Further, a sludge separator water outlet 28 is arranged on the sludge separator 4; a third conveying pipe 17 is arranged at the water outlet 28 of the sludge separator; a liquid inlet 29 is arranged on the MBR treatment tank; the water outlet 28 and the liquid inlet 29 of the sludge separator are connected through a third conveying pipe 17. Through third conveyer pipe 17, connect muddy dirty separator 4 and MBR treatment tank 5, simple effectual liquid after clean in the muddy dirty separator 4 is transmitted to MBR treatment tank 5, and easy operation is effective, and the practicality is strong.

Further, a material adding port 30 is arranged on the sludge separator 4; the lower end of the lower turbid liquid conveying pipe 16 is connected with the material adding port 30. Through the direct material that is connected with material interpolation mouth 30 of turbid liquid conveyer pipe 16 down, liquid directly contacts with the material, more effective convenient going on cleanly.

Further, a sludge discharge port 31 is arranged at the lower end of the MBR treatment tank 5; a sludge pumping pipe 23 is arranged on the sludge discharge port 31; a water inlet 32 is arranged on the sludge separator 4; one end of the sludge pumping pipe 23 is connected with the water inlet 32. And pumping the residual unclean liquid in the MBR treatment tank 5 into the sludge separator 4 through a sludge pumping pipe 23, and further performing cleaning treatment to ensure the cleanness of the liquid.

Further, a flushing port 33 is arranged at the upper end of the MBR treatment tank 5; a flushing pipeline 34 is arranged at the upper end of the flushing port 33; the mixed liquid tank 22 is arranged at one end of the flushing pipeline 34. The mixed liquid tank 22 is used for collecting flushing water, the condition that the water yield of the filter is too low is prevented from occurring in the actual flushing process, and meanwhile, the mixed liquid tank 22 can also be used for adding corresponding cleaning liquid, so that the traditional repeated flushing is avoided, and the flushing efficiency is effectively improved.

Further, a mixed liquid tank liquid inlet 35 is arranged on the mixed liquid tank 22; a connecting pipeline 36 is arranged on the liquid inlet 35 of the mixed liquid tank; the precision filter 21 is arranged at one end of the connecting pipeline 36. The precise filter 21 realizes the particle purification in the tap water, further purifies the water treatment, and ensures the working effectiveness and the cleanness in the tap water.

In practice, the first transfer pipe 9, the second transfer pipe 10, the supernatant transfer pipe 14, the lower turbid liquid transfer pipe 16, the third transfer pipe 17, and the sludge pumping pipe 23 are all provided with water pumps 13. External liquid enters the system through a water inlet pipe of the water collecting tank 1, a water outlet at the bottom of the water collecting tank 1 is connected with a water inlet of the aerobic tank 2 through a first conveying pipe 9, an aeration device 25 is arranged in the aerobic tank 2, and dissolved oxygen in sewage is increased through the aeration device 25, so that organic matters are decomposed by aerobic organisms; a water outlet at the bottom of the aerobic tank 2 is connected with a water inlet of the sedimentation tank 3 through a second conveying pipe 10, sludge and suspended matters are precipitated through the static precipitation of sewage in the sedimentation tank 3, and the adsorption precipitation of the suspended matters can be realized by throwing activated carbon in the sedimentation tank 3; a lower turbid liquid outlet 27 is formed in the bottom of the sedimentation tank 3, a supernatant liquid outlet 26 is formed in the position above the lower turbid liquid outlet 27, and the supernatant liquid outlet 26 is in butt joint with a liquid inlet of the MBR treatment tank 5 through a supernatant liquid conveying pipe 14; the lower turbid liquid outlet 27 is butted with a material adding port 30 of the sludge separator 4 through a lower turbid liquid conveying pipe 16; wherein the water outlet of the sludge separator 4 is butted with the liquid inlet of the MBR treatment tank 5 through a third delivery pipe 17; an MBR membrane device 15 is installed in the MBR treatment tank 5, wherein the water outlet of the MBR membrane device 15 is connected with a clear water discharge pump 18 through a pipeline, and the final water filtration is realized by utilizing the filtration of the MBR membrane device 15; the bottom of the MBR treatment tank 5 is provided with a sludge discharge port 31, and the sludge discharge port 31 is connected with the water inlet of the sludge separator 4 through a sludge pumping pipe 23, so that the sludge in the MBR treatment tank 5 can be effectively treated; MBR membrane device 15 wash mouthful still is connected with flushing pipe 19, wherein the liquid outlet of mixed fluid reservoir 22 is connected to flushing pipe 19's the other end, mixed fluid reservoir inlet 35 of mixed fluid reservoir 22 passes through the delivery port of pipe connection precision filter 21, outside running water is then connected to precision filter 21's water inlet, utilize precision filter 21 to realize the granule purification in the running water, and mixed fluid reservoir 22 then is used for collecting the flushing water, the condition that the filter water yield was low excessively appears when preventing to actually wash, mixed fluid reservoir 22 can also be used for adding corresponding washing liquid simultaneously, thereby traditional repeatedly washing has been avoided, the effectual flushing efficiency that has improved. A booster pump 20 is attached to the purge pipe 19, and the purge pressure is raised by the booster pump 20. After being comprehensively treated by the water collecting tank 1, the grating plates 6, the aerobic tank 2 and the sedimentation tank 3 in sequence, the sewage enters the MBR treatment tank 5 for final water filtration, so that the quality of the sewage can achieve a better treatment effect. The MBR membrane device 15 improves the washing efficiency and avoids the conventional repeated washing during the treatment.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a MBR filters formula sewage treatment plant which characterized in that includes: a water collecting tank, an aerobic tank, a sedimentation tank, an MBR treatment tank and a sludge separator;

2. The MBR-filtered sewage treatment apparatus according to claim 1, wherein: the lower end of the grating plate is provided with a fixed seat; the fixed seats are symmetrically arranged with the central line of the grating plate; and the grid plate is provided with a fixing screw.

3. The MBR-filtered sewage treatment apparatus according to claim 1, wherein: the aeration device comprises a fan and an aeration disc; the fan is fixed at the top end of the aerobic tank; the lower end of the fan is provided with a ventilation pipe; an air inlet is arranged on the aeration disc; the lower end of the ventilation pipe is connected with the air inlet.

4. The MBR filtering type sewage treatment device of claim 3, wherein: an air outlet is formed in the upper surface of the aeration disc; the air outlets are arranged in an array; and fixing screws are arranged on two sides of the aeration disc.

5. The MBR-filtered sewage treatment apparatus according to claim 1, wherein: a water outlet of the sludge separator is arranged on the sludge separator; a third conveying pipe is arranged at the water outlet of the sludge separator; a liquid inlet is formed in the MBR treatment tank; and the water outlet and the liquid inlet of the sludge separator are connected through a third conveying pipe.

6. The MBR-filtered sewage treatment apparatus according to claim 1, wherein: a material adding port is formed in the sludge separator; the lower end of the lower turbid liquid conveying pipe is connected with the material adding port.

7. The MBR-filtered sewage treatment apparatus according to claim 1, wherein: the lower end of the MBR treatment tank is provided with a sludge discharge port; a sludge pumping pipe is arranged on the sludge discharge port; a water inlet is arranged on the sludge separator; one end of the sludge pumping pipe is connected with the water inlet.

8. The MBR-filtered sewage treatment apparatus according to claim 1, wherein: the upper end of the MBR treatment tank is provided with a flushing port; a flushing pipeline is arranged at the upper end of the flushing port; and one end of the flushing pipeline is provided with a mixed liquid tank.

9. The MBR-filtered sewage treatment plant of claim 8, wherein: a mixed liquid tank liquid inlet is formed in the mixed liquid tank; a connecting pipeline is arranged on the liquid inlet of the mixed liquid tank; and one end of the connecting pipeline is provided with a precision filter.