CN212269588U

CN212269588U - Integral type MBR sewage treatment plant

Info

Publication number: CN212269588U
Application number: CN202020309105.6U
Authority: CN
Inventors: 施盘晴; 谢斌; 刘丹婵
Original assignee: Qingzhiyuan Environmental Protection Technology Co Ltd
Current assignee: Qingzhiyuan Environmental Protection Technology Co Ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2021-01-01
Anticipated expiration: 2030-03-13

Abstract

The utility model discloses an integral type MBR sewage treatment plant, including the frame and install in the MBR membrane module and the pipeline subassembly of frame, the frame includes support body and a plurality of baffle, the baffle will the support body is separated for anaerobic reaction room, oxygen deficiency reacting chamber, good oxygen reacting chamber, MBR membrane reacting chamber and the equipment room that communicates in proper order, the pipeline subassembly includes the inlet tube, the input of inlet tube set up in the equipment room, the output of inlet tube set up in the anaerobic reaction room, the MBR membrane module set up in MBR membrane reacting chamber. Compared with the prior art, the utility model provides an integral type MBR sewage treatment plant, the integrated level is high, area is little, easy operation, degree of automation are high, is applicable to the transformation of each scale domestic sewage treatment and original facility.

Description

Integral type MBR sewage treatment plant

Technical Field

The utility model relates to a domestic sewage treatment device is newly-built and is upgraded and reform transform technical field, concretely relates to integral type MBR sewage treatment plant.

Background

The membrane-Bioreactor (MBR) is a novel sewage advanced treatment technology which combines the ultra-filtration membrane separation technology and the micro-filtration membrane separation technology with the traditional activated sludge process, combines the advantages of the membrane separation technology and the biological treatment technology, and utilizes an ultra-micro-filtration membrane component as a mud-water separation unit to completely replace a secondary sedimentation tank. The ultramicro filter membrane intercepts microorganism flocculating constituents and larger molecular organic matters in the activated sludge, so that high biological concentration is obtained in the reactor, the retention time of organic solids is prolonged, and the oxidation rate of the microorganisms to the organic matters is greatly improved. Meanwhile, after being treated by the ultrafiltration membrane and the microfiltration membrane, the effluent quality is high, the system can be directly used for recycling non-drinking water, almost no sludge is left in the system, and the system has high impact resistance.

MBR equipment that adopts on the existing market, though the effect of going out water can reach corresponding standard, its noise is big, the energy consumption is high, the membrane module blocks up easily, the backwash is inconvenient, causes very big puzzlement and inconvenience for owner and operation unit, and equipment investment and running cost are higher simultaneously, also bring the difficulty for local finance, and urgent need improves traditional MBR equipment, improves its practicality, economic nature.

Therefore, there is a need to provide a new integrated MBR sewage treatment apparatus with high integration level, small floor space, simple operation and high automation degree, which is suitable for various scale domestic sewage treatment and the reconstruction of original facilities to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an integral type MBR sewage treatment plant that the integrated level is high, area is little, easy operation, degree of automation are high, is applicable to the transformation of each scale domestic sewage treatment and original facility.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an integral type MBR sewage treatment plant, includes the frame and install in the MBR membrane module and the pipeline subassembly of frame, the frame includes support body and a plurality of baffle, the baffle will the support body is separated for anaerobic reaction room, oxygen deficiency reacting chamber, good oxygen reacting chamber, MBR membrane reacting chamber and the equipment room that communicates in proper order, pipeline subassembly includes the inlet tube, the input of inlet tube set up in the equipment room, the output of inlet tube set up in anaerobic reaction room, the MBR membrane module set up in MBR membrane reacting chamber.

Preferably, the anaerobic reaction chamber, the anoxic reaction chamber, the aerobic reaction chamber, the MBR membrane reaction chamber and the equipment room are arranged in a straight line, and the equipment room further comprises semi-fluidized biological carrier filler filled in the anaerobic reaction chamber, the anoxic reaction chamber and the aerobic reaction chamber, wherein anaerobic bacteria are added into the anaerobic reaction chamber, facultative bacteria are added into the anoxic reaction chamber, and aerobic bacteria are added into the aerobic reaction chamber.

Preferably, the anaerobic strain, the facultative strain and the aerobic strain comprise efficient shortcut nitrifying bacteria and efficient shortcut denitrifying bacteria, and dry powder packaging is adopted.

Preferably, the pipeline assembly further comprises a sludge return pipe for communicating the anoxic reaction chamber with the aerobic reaction chamber and a membrane tank return pipe for connecting the MBR membrane assembly with the anaerobic reaction chamber, and the sludge return pipe and the membrane tank return pipe are in a pump return, stripping return or jet flow return manner.

Preferably, the pipeline assembly further comprises a suction pipeline and a backwashing pipeline, and the suction pipeline and the backwashing pipeline are respectively connected with the MBR membrane assembly.

Preferably, the membrane bioreactor also comprises an ultrasonic device assembled with the MBR membrane module.

Preferably, the pipeline assembly further comprises an aeration assembly communicated with the aerobic reaction chamber, and the aeration assembly comprises a plurality of tubular aerators arranged in the aerobic reaction chamber, a fan arranged between the devices and an aeration pipe connecting the fan and the tubular aerators.

Preferably, the pipeline assembly further comprises an emptying pipeline respectively communicated with the anaerobic reaction chamber, the anoxic reaction chamber, the aerobic reaction chamber and the MBR membrane reaction chamber.

Preferably, the device further comprises a forced ventilation device, and the forced ventilation device is communicated with the equipment room.

Preferably, still include control system and fortune dimension service toolkit, control system includes local control, MCC centralized control, touch-sensitive screen control and remote control, fortune dimension clothes toolkit includes maintenance tool suit, telescopic maintenance cat ladder, labour protection articles for use and fire extinguisher.

To sum up, compare with prior art, the utility model discloses following beneficial effect has: the integrated MBR sewage treatment device has the advantages of high integration level, small occupied area, simple process flow and high automation degree, sewage passes through the anaerobic reaction chamber, the anoxic reaction chamber, the aerobic reaction chamber and the MBR membrane reaction chamber in the device in sequence, suspended substances, colloidal substances, microbial flora lost by biological units in the sewage and purified water can be separated quickly and efficiently, and the effluent quality is good.

Drawings

Fig. 1 is a schematic perspective view of an integrated MBR sewage treatment plant provided by the present invention;

FIG. 2 is a schematic view of the integrated MBR sewage treatment unit with the shell removed;

FIG. 3 is an enlarged view of a portion A of the integrated MBR sewage treatment unit shown in FIG. 2;

FIG. 4 is a schematic plane structure diagram of the integrated MBR sewage treatment unit provided by the utility model;

FIG. 5 is an enlarged view of part B of the integrated MBR sewage treatment unit shown in FIG. 4;

FIG. 6 is a schematic view of the three-dimensional structure of the aeration pipeline of the integrated MBR sewage treatment unit provided by the utility model;

fig. 7 is a schematic view of the three-dimensional structure of the evacuation pipeline of the integrated MBR sewage treatment plant provided by the present invention.

In the figure, 100, MBR sewage treatment device; 10. a frame; 11. a frame body; 111. an anaerobic reaction chamber; 112. an anoxic reaction chamber; 113. an aerobic reaction chamber; 114. an MBR membrane reaction chamber; 115. a device room; 12. a housing; 121. a top wall; 123. a first side wall; 124. a second side wall; 13. a partition plate; 20. an MBR membrane module; 30. a conduit assembly; 31. a water inlet pipe; 32. a sludge return pipe; 33. a suction line; 34. backwashing the pipeline; 35. an aeration pipeline; 351. a tubular aerator; 352. a fan; 353. an aeration pipe; 36. a membrane tank return pipe; 37. evacuating the line; 50. and a forced ventilation device.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples. The following experimental examples and examples are intended to further illustrate but not limit the invention.

Referring to fig. 1 and 7, the present invention provides an integrated MBR sewage treatment plant 100. The integrated MBR sewage treatment device 100 includes a frame 10, MBR membrane modules 20 and pipe modules 30 installed on the frame 10, a semi-fluidized bio-carrier filler (not shown), a forced air device 50, an ultrasonic device (not shown), a control system (not shown), and an operation and maintenance service kit (not shown).

The rack 10 includes a rack body 11, a housing 12, and a plurality of partition plates 13. The partition plate 13 divides the frame body 11 into an anaerobic reaction chamber 111, an anoxic reaction chamber 112, an aerobic reaction chamber 113, an MBR membrane reaction chamber 114 and an equipment room 115 which are communicated in sequence. Wherein, the MBR membrane module is arranged in the MBR membrane reaction chamber 114.

Specifically, in this embodiment, the frame body 11 has a rectangular long shape, and the anaerobic reaction chamber 111, the anoxic reaction chamber 112, the aerobic reaction chamber 113, the MBR membrane reaction chamber 114, and the equipment room 115 are linearly arranged along the length direction of the frame body 11.

The housing 12 includes a top wall 121, a door (not shown) disposed along a length direction of the frame 11 and close to the equipment room 115, a first side wall 123 disposed opposite to the door, and two second side walls 124 connecting the door and the first side wall 123. An operator can enter the equipment room 115 through the door body, the first side wall 123 and the second side wall 124 are assembled by a plurality of mounting plates, and the top wall 121 is a grid plate.

Preferably, the mounting plate has a double-layer structure, so that the silencing effect of the integrated MBR sewage treatment device 100 is enhanced. Preferably, the surface of the mounting plate is additionally provided with a sound absorption coating made of high polymer materials, so that the sound absorption effect of the shell 12 is further enhanced to block the transmission of noise.

The pipeline assembly 30 comprises a water inlet pipe 31, a sludge return pipe 32, a suction pipeline 33, a backwashing pipeline 34, an aeration assembly 35, a membrane pool return pipe 36 and an emptying pipeline 37.

The input end of the water inlet pipe 31 is arranged in the equipment room 115, and the output end of the water inlet pipe 31 is arranged in the anaerobic reaction chamber 111.

The sludge return pipe 32 is communicated with the anoxic reaction chamber 112 and the aerobic reaction chamber 113.

The suction line 33 and the backwash line 34 are connected to the MBR membrane module 20, respectively.

The aeration assembly 35 is communicated with the aerobic reaction chamber 113. Specifically, the aeration unit 35 includes a plurality of pipe-type aerators 351 installed in the aerobic reaction chamber 113, a fan 352 installed in the plant room 115, and an aeration pipe 353 connecting the fan 352 and the plurality of pipe-type aerators 351.

Preferably, the blower 352 is a high pressure blower, and is less noisy than roots blowers of the prior art.

The membrane tank return pipe 36 connects the MBR membrane modules 20 with the anaerobic reaction chamber 111.

The evacuation line 37 is used to discharge the sewage remaining from the previous cleaning to the integrated MBR sewage treatment device 100 before each cleaning. Specifically, the evacuation pipeline 37 is respectively communicated with the anaerobic reaction chamber 111, the anoxic reaction chamber 112, the aerobic reaction chamber 113 and the MBR membrane reaction chamber 114.

The semi-fluidized bio-carrier filler is filled in the anaerobic reaction chamber 111, the anoxic reaction chamber 112 and the aerobic reaction chamber 113. Wherein, anaerobic bacteria are added in the anaerobic reaction chamber 111, facultative bacteria are added in the anoxic reaction chamber 112, and aerobic bacteria are added in the aerobic reaction chamber 113.

Specifically, the anaerobic strain, the facultative strain and the aerobic strain comprise efficient shortcut nitrifying bacteria and efficient shortcut denitrifying bacteria, and dry powder packaging is adopted.

Through setting up semi-fluidization biological carrier packs, provides sufficient living space for the microorganism, because it has very high specific surface area for the active biomass in reaction area is greater than ordinary activated sludge method far away, has very high pollutant removal load, simultaneously, under the stirring of water conservancy, gas, packs whole slow movement, has the fluidized bed function, avoids appearing the dead angle, has further improved the treatment effeciency.

The forced draft device 50 communicates with the equipment room 115. Specifically, in the present embodiment, the forced draft device 50 is an unpowered self-suction blower, and the forced draft device 50 is installed at a position of the top wall 121 corresponding to the equipment room 115. By arranging the forced draft device 50, the forced draft and energy saving of the integrated MBR sewage treatment device 100 are realized.

The ultrasonic device is assembled with the MBR membrane module 20. And cleaning the MBR membrane module 20 on line by using the ultrasonic device. When cleaning, clear water is introduced into the MBR membrane module 20 through the backwashing pipeline 34, the ultrasonic device is started, and the cavitation action, the acceleration action and the direct current action of ultrasonic waves in liquid are utilized to directly or indirectly act on the liquid and dirt, so that the dirt layer adhered to the MBR membrane layer is dispersed, emulsified and stripped to achieve the purpose of cleaning. Compared with the mode of cleaning by using the traditional Chinese medicine in the prior art, the ultrasonic device is higher in backwashing efficiency and safety and more thorough in cleaning, and meanwhile, the ultrasonic wave and the biochemical treatment have a synergistic effect and can improve the sewage treatment efficiency.

The control system adopts a PLC control system, is respectively electrically connected with control valves arranged on the water inlet pipe 31, the sludge return pipe 32, the suction pipeline 33, the backwashing pipeline 34, the aeration component 35, the membrane pool return pipe 36 and the emptying pipeline 37, and adjusts the flow direction of sewage by opening and closing the control valves.

Preferably, the control system can adopt four-level control modes such as local control, MCC centralized control, touch screen control and remote control to form an intelligent operation control system.

The operation and maintenance service kit comprises a maintenance tool set, a telescopic overhaul crawling ladder, labor protection supplies and a fire extinguisher. By being equipped with the operation and maintenance service toolkit, operation and maintenance personnel can conveniently carry out operation and maintenance work, and the operation and maintenance service toolkit is particularly suitable for remote areas.

The utility model provides an integral type MBR sewage treatment plant 100's work flow as follows:

s1: sewage flows into the anaerobic reaction chamber 111 from the water inlet pipe 31, phosphorus is released by the sewage under the action of anaerobic bacteria, and part of organic matters are aminated;

s2: the effluent of the anaerobic reaction chamber 111 enters the anaerobic reaction chamber through an overflow pipeline arranged between the anaerobic reaction chamber 111 and the anaerobic reaction chamber 112, and the sewage is denitrified under the action of facultative bacteria;

s3: the effluent of the anoxic reaction chamber 112 enters the aerobic reaction chamber 113 through an overflow pipeline arranged between the anoxic reaction chamber 112 and the aerobic reaction chamber 113, and the sewage is subjected to BOD removal, nitrification and phosphorus absorption under the action of aerobic bacteria;

s4: part of the effluent of the aerobic reaction chamber 113 flows into the anoxic reaction chamber 112 again through the sludge return pipe 32, and part of the effluent enters the MBR membrane module 20 for cleaning;

s5: and part of the effluent of the MBR membrane module 20 flows into the anaerobic reaction chamber 111 again through the membrane tank return pipe 36 and is mixed with the raw sewage, and part of the effluent is discharged as clean water for use.

Compared with the prior art, the utility model discloses following beneficial effect has: the integrated MBR sewage treatment device has the advantages of high integration level, small occupied area, simple process flow and high automation degree, sewage passes through the anaerobic reaction chamber, the anoxic reaction chamber, the aerobic reaction chamber and the MBR membrane reaction chamber in the device in sequence, suspended substances, colloidal substances, microbial flora lost by biological units in the sewage and purified water can be separated quickly and efficiently, and the effluent quality is good.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should be construed as the scope of the present invention.

Claims

1. An integrated MBR sewage treatment device is characterized by comprising a rack, an MBR membrane module and a pipeline module, wherein the MBR membrane module and the pipeline module are arranged on the rack, the rack comprises a rack body and a plurality of partition plates, the partition plates divide the rack body into an anaerobic reaction chamber, an anoxic reaction chamber, an aerobic reaction chamber, an MBR membrane reaction chamber and an equipment room which are sequentially communicated, the pipeline module comprises a water inlet pipe, the input end of the water inlet pipe is arranged in the equipment room, the output end of the water inlet pipe is arranged in the anaerobic reaction chamber, and the MBR membrane module is arranged in the MBR membrane reaction chamber;

the pipeline assembly also comprises a sludge return pipe for communicating the anoxic reaction chamber and the aerobic reaction chamber and a membrane tank return pipe for connecting the MBR membrane assembly and the anaerobic reaction chamber, and the sludge return pipe and the membrane tank return pipe adopt a pump return, stripping return or jet flow return mode;

the pipeline assembly further comprises an aeration assembly communicated with the aerobic reaction chamber, and the aeration assembly comprises a plurality of tubular aerators arranged in the aerobic reaction chamber, a fan arranged between the devices and an aeration pipe for connecting the fan and the tubular aerators;

the pipeline assembly further comprises an emptying pipeline which is communicated with the anaerobic reaction chamber, the anoxic reaction chamber, the aerobic reaction chamber and the MBR membrane reaction chamber respectively.

2. The integrated MBR sewage treatment device of claim 1, wherein the anaerobic reaction chamber, the anoxic reaction chamber, the aerobic reaction chamber, the MBR membrane reaction chamber and the equipment room are arranged in a straight line, and further comprises semi-fluidized biological carrier filler filled in the anaerobic reaction chamber, the anoxic reaction chamber and the aerobic reaction chamber, wherein anaerobic bacteria are added in the anaerobic reaction chamber, facultative bacteria are added in the anoxic reaction chamber, and aerobic bacteria are added in the aerobic reaction chamber.

3. The integrated MBR sewage treatment unit of claim 2, wherein the anaerobic bacteria, the facultative bacteria and the aerobic bacteria comprise efficient shortcut nitrifying bacteria and efficient shortcut denitrifying bacteria, and are packaged in dry powder.

4. The integrated MBR sewage treatment unit of claim 1, wherein the pipeline assembly further comprises a suction pipeline and a backwashing pipeline, and the suction pipeline and the backwashing pipeline are respectively connected with the MBR membrane assembly.

5. The integrated MBR sewage treatment unit of claim 4, further comprising an ultrasonic unit configured with the MBR membrane modules.

6. The integrated MBR sewage treatment unit of claim 1, further comprising a forced draft device in communication with the plant room.

7. The integrated MBR sewage treatment unit of claim 1, further comprising a control system and an operation and maintenance service kit, wherein the control system comprises local control, MCC centralized control, touch screen control and remote control, and the operation and maintenance service kit comprises a maintenance tool set, a telescopic maintenance ladder, labor and safety supplies and a fire extinguisher.