CN212403630U - Integration sewage treatment device based on MBR membrane - Google Patents
Integration sewage treatment device based on MBR membrane Download PDFInfo
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- CN212403630U CN212403630U CN202020896072.XU CN202020896072U CN212403630U CN 212403630 U CN212403630 U CN 212403630U CN 202020896072 U CN202020896072 U CN 202020896072U CN 212403630 U CN212403630 U CN 212403630U
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- aeration
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- 239000012528 membrane Substances 0.000 title claims abstract description 130
- 239000010865 sewage Substances 0.000 title claims abstract description 26
- 230000010354 integration Effects 0.000 title claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 128
- 238000005273 aeration Methods 0.000 claims abstract description 66
- 238000011001 backwashing Methods 0.000 claims abstract description 45
- 238000001914 filtration Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000004907 flux Effects 0.000 abstract description 10
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000000108 ultra-filtration Methods 0.000 description 10
- 239000012535 impurity Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000037452 priming Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003197 gene knockdown Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
An integrated sewage treatment device based on an MBR (membrane bioreactor) membrane comprises an anoxic zone and a filtering zone which are arranged along the water flow direction and are communicated, wherein a membrane bioreactor is arranged in the filtering zone, and the membrane bioreactor is connected with a water outlet device, a back washing device and an aeration device; the membrane bioreactor comprises a membrane frame and a plurality of membrane components which are fixed in the membrane frame at intervals in the transverse direction and are in a vertical posture; the aeration device comprises a plurality of aeration pipes which are respectively arranged between two adjacent membrane components, a connecting pipe which is arranged at the outer side of the membrane frame, an air supply hose which is connected and communicated with the connecting pipe and a driving mechanism which is arranged in the filtering area and used for driving the connecting pipe to move up and down; one end of the air supply hose, which is far away from the connecting pipe, is connected with an air source; one end of the aeration pipe is connected and communicated with the connecting pipe, and the side wall of the aeration pipe is provided with an air outlet facing the membrane component. The utility model discloses effectively avoid the water flux decay of membrane fast, rinse incomplete and the not good problem of water flux recovery of membrane when online cleaning.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to an integrated sewage treatment device based on an MBR (membrane bioreactor) membrane.
Background
With the development of economy and the promotion of urbanization process in China, the conditions of water resource shortage and aggravation of water pollution are increasingly severe, the requirements of sewage treatment and recycling are increasingly urgent, and the pollutant discharge control is increasingly strict. The traditional sewage treatment process has the outstanding problems of high pipe network investment, large floor area, long construction period and the like, and seriously restricts the sewage treatment rate and COD (chemical oxygen demand) emission reduction, and under the condition, the integrated sewage treatment equipment is increasingly widely applied as simple and effective sewage treatment equipment.
Chinese patent with the granted publication number of CN205710086U discloses MBR integrated sewage treatment equipment, which comprises a main box body, wherein the main box body is divided into an anaerobic zone, an aerobic zone, an MBR membrane zone, an equipment room and a clear water tank which are communicated by four parallel partition plates in the main box body; a plurality of parallel perforated water distribution pipes are longitudinally and uniformly arranged at the bottom of the anaerobic zone; microporous aeration devices are arranged at the bottoms of the aerobic zone and the MBR membrane zone, perforated aeration pipes are arranged above the microporous aeration devices at the bottom of the MBR membrane zone, and MBR membrane components are arranged above the perforated aeration pipes; a main water collecting pipe is horizontally arranged above the MBR membrane assembly, one end of the main water collecting pipe is communicated with the MBR membrane assembly, and the other end of the main water collecting pipe is communicated with a water outlet self-sucking pump in the equipment room; the other end of the water outlet self-sucking pump is communicated with a clear water tank; the equipment room is also internally provided with a back washing device, one end of the back washing device is communicated with the clear water tank, the other end of the back washing device is communicated with the general water collecting pipe, the back washing device comprises a back washing water inlet pipe, one end of the back washing water inlet pipe is communicated with the clear water tank, the other end of the back washing water inlet pipe is communicated with a back washing pump, the other end of the back washing pump is provided with a back washing water outlet pipe, and the other end of the back washing water.
The microporous aeration device of the MBR integrated sewage treatment equipment is fixed, the movement track randomness is large when bubbles generated by the microporous aeration equipment rise, so that the scrubbing action of the bubbles on the surface of a membrane is non-uniform, and particularly, partial 'blind areas' can appear on a flat plate type membrane, so that the problems that the membrane pollution is serious in partial areas, the water flux attenuation of the membrane is fast, the membrane is not completely cleaned during online cleaning, and the water flux recovery of the membrane is poor are caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an integrated sewage treatment device based on an MBR membrane, which aims to solve the problems that the surface of the membrane is not uniformly scrubbed by bubbles generated by a microporous aeration device in the conventional integrated sewage treatment device, partial 'blind areas' occur, membrane pollution in partial areas is serious, the attenuation of the water flux of the membrane is fast, the membrane is not completely cleaned during online cleaning, and the water flux recovery of the membrane is poor.
The above object of the present invention is achieved by the following technical solutions:
an integrated sewage treatment device based on an MBR (membrane bioreactor) membrane comprises an anoxic zone and a filtering zone which are arranged along the water flow direction and are communicated, wherein a membrane bioreactor is arranged in the filtering zone, and the membrane bioreactor is connected with a water outlet device, a back washing device and an aeration device;
the membrane bioreactor comprises a membrane frame and a plurality of membrane components which are fixed in the membrane frame at intervals in the transverse direction and are in a vertical posture;
the aeration device comprises a plurality of aeration pipes which are respectively arranged between two adjacent membrane components, a connecting pipe which is arranged at the outer side of the membrane frame, an air supply hose which is connected and communicated with the connecting pipe, and a driving mechanism which is arranged in the filtering area and used for driving the connecting pipe to move up and down; one end of the air supply hose, which is far away from the connecting pipe, is connected with an air source; one end of the aeration pipe is connected and communicated with the connecting pipe, and the side wall of the aeration pipe is provided with an air outlet facing the membrane module.
By the technical scheme, when the device is used, the water outlet device and the aeration device work, and sewage is filtered by the membrane module under the action of the water outlet device to become clear water and is discharged by the water outlet device; simultaneously, the air supply constantly supplies gas to each aeration pipe through air supply hose and connecting pipe, and gas gets into the aquatic with the form of bubble under the effect of aeration pipe, and simultaneously under actuating mechanism's effect, the aeration pipe reciprocates to make the aeration pipe can be with the even spouting of bubble to the membrane module, wash the membrane module and avoid long-time aeration blind area that appears, thereby effectively avoid the water flux decay of membrane very fast, rinse incomplete and the not good problem of water flux recovery of membrane when online cleaning.
The utility model discloses further set up to: the driving mechanism comprises a guide rod which is vertically arranged and is fixedly connected with the bottom of the filtering area, a lead screw which is vertically arranged in the filtering area and a submersible motor which is fixed at the bottom of the filtering area, wherein the lower end of the lead screw is fixedly connected with an output shaft of the submersible motor; the sliding sleeve is arranged on the guide rod in a sliding mode, the lead screw is sleeved with a screw sleeve in threaded fit with the lead screw, and the connecting pipe is connected to the screw sleeve and the sliding sleeve.
Through above-mentioned technical scheme, the staff can rotate to different directions through controlling submersible motor drive lead screw to the drive connecting pipe upwards or moves down along the guide arm, thereby makes the connecting pipe drive the aeration pipe upwards or move down.
The utility model discloses further set up to: a fixing plate is fixedly connected between the thread sleeve and the sliding sleeve, and the connecting pipe is positioned between the fixing plate and the membrane frame; at least two telescopic rods are fixedly connected between the fixing plate and the connecting pipe, a spring is sleeved on each telescopic rod, and the connecting pipe is abutted against the membrane frame under the action of the spring; one side of the membrane frame towards the connecting pipe is provided with hemispherical bulges at intervals from top to bottom.
According to the technical scheme, in the process that the driving mechanism drives the connecting pipe to move up and down, the connecting pipe can transversely rock under the action of the spring and the hemispherical bulges; therefore, the aeration pipe can transversely rock along with the connecting pipe in the process of moving up and down along with the connecting pipe, so that bubbles blown out by the aeration pipe can be more uniformly sprayed onto the membrane module, and the membrane module can be better scrubbed.
The utility model discloses further set up to: the aeration pipe is provided with two rows of air outlet holes, and the two rows of air outlet holes respectively face the two membrane assemblies positioned at two sides of the aeration pipe.
Through the technical scheme, the bubbles blown out by the aeration pipe can be more uniformly sprayed on the membrane module, so that the membrane module can be better scrubbed.
The utility model discloses further set up to: a plurality of connecting seats are arranged on one side of the connecting pipe facing the membrane frame at intervals along the length direction of the connecting pipe, and threaded holes communicated with the inside of the connecting pipe are formed in the connecting seats; the aeration pipe is inserted in the threaded hole and is in threaded fit with the threaded hole.
Through above-mentioned technical scheme, the installation and the dismantlement of aeration pipe are convenient for.
The utility model discloses further set up to: the air source is an electromagnetic aeration pump.
Through above-mentioned technical scheme, can last stable provide the air for the aeration pipe with the electromagnetism aeration pump as the air supply.
The utility model discloses further set up to: the water outlet device comprises a header pipe, a self-priming pump arranged at one end of the header pipe and a plurality of water distribution pipes which are respectively connected and communicated with the water outlets of the membrane assemblies, wherein one end of each water distribution pipe, far away from the membrane assemblies, is connected and communicated with one end of the header pipe, far away from the self-priming pump.
Through the technical scheme, when the self-priming pump works, negative pressure can be generated in the membrane component, so that water molecules in the filtering area enter the membrane component and are finally discharged, and impurities in the filtering area can be blocked by the membrane component and cannot enter the membrane component.
The utility model discloses further set up to: the back washing device comprises a water tank, a back washing water pipe connected and communicated with one side of the water tank, a back washing pump and a back washing valve which are arranged on the back washing water pipe, wherein one end of the back washing water pipe, which is far away from the water tank, is connected and communicated with one end of the main water pipe, which is far away from the self-priming pump; and a water control valve is arranged in the middle of the water main.
Through the technical scheme, when the impurities on the outer side of the membrane assembly are excessive, a worker can close the self-priming pump and the water control valve and open the backwashing pump and the backwashing valve, so that clear water in the water tank is pumped into the membrane assembly, the attached impurities on the outer side of the membrane assembly are washed down, and backwashing of the membrane assembly is completed.
The utility model discloses further set up to: the outlet of self priming pump is connected with outlet pipe and backwash inlet tube through two-position three way solenoid valve, the one end that self priming pump was kept away from to the backwash inlet tube is connected and communicates with the water tank.
Through the technical scheme, when the clear water in the water tank is insufficient, the two-position three-way electromagnetic valve can be controlled to be communicated with the water main and the backwashing water inlet pipe, so that the clear water in the water main enters the water tank; when the water tank is full of clean water, the two-position three-way electromagnetic valve is controlled to be communicated with the water main pipe and the water outlet pipe, and the clean water is discharged through the water outlet pipe.
In summary, the invention has the following beneficial technical effects: the aeration device can clean the membrane component, and avoids the aeration blind area from occurring for a long time, thereby effectively avoiding the problems that the water flux of the membrane is attenuated more quickly, the membrane is not cleaned completely when being cleaned on line and the water flux of the membrane is recovered poorly.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view showing the structure of a membrane bioreactor and an aeration apparatus;
FIG. 3 is a schematic view showing the structure of an aeration apparatus;
fig. 4 is a schematic view showing the structure of the aeration tube.
In the figure, 1, an anoxic zone; 2. a filtration zone; 3. a membrane bioreactor; 31. a film frame; 32. a membrane module; 33. a hemispherical protrusion; 4. an aeration device; 41. an aeration pipe; 411. an air outlet; 42. a connecting pipe; 421. a connecting seat; 43. an air supply hose; 441. a guide bar; 442. a lead screw; 443. a submersible motor; 444. a sliding sleeve; 445. sleeving the silk; 45. a gas source; 46. a fixing plate; 47. a telescopic rod; 48. a spring; 5. a water outlet device; 51. a water main; 52. a self-priming pump; 53. a water diversion pipe; 54. a water control valve; 6. a backwashing device; 61. a water tank; 62. backwashing the water pipe; 63. a backwash pump; 64. a back flush valve; 65. a two-position three-way electromagnetic valve; 66. a water outlet pipe; 67. backwashing the water inlet pipe; 7. and (4) a stirring device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the MBR membrane-based integrated sewage treatment equipment disclosed by the invention comprises an anoxic zone 1 and a filtering zone 2 which are arranged along the water flow direction and are communicated, wherein a stirring device 7 is arranged in the anoxic zone 1, a membrane bioreactor 3 and an aeration device 4 are arranged in the filtering zone 2, and a water outlet device 5 and a back washing device 6 are connected to the membrane bioreactor 3.
Referring to fig. 2, the membrane bioreactor 3 includes a membrane frame 31 and a plurality of membrane modules 32 fixed in the membrane frame 31 at a horizontal interval and in a vertical posture, specifically, the membrane frame 31 includes a rectangular upper plate body, a rectangular lower plate body, a support column fixedly connected between the upper plate body and the lower plate body, and support legs fixed on the lower side of the lower plate body. The membrane module 32 includes a pipe fitting fixed on the lower side of the upper plate, a fixing member fixed on the upper side of the lower plate, and an ultrafiltration membrane wire fixedly connected between the pipe fitting and the fixing member, the ultrafiltration membrane wire is communicated with the inside of the pipe fitting, and a water outlet is arranged on the pipe fitting.
Referring to fig. 1 and 2, the water outlet device 5 includes a water main 51, a self-priming pump 52 connected to one end of the water main 51, and a plurality of water distribution pipes 53 connected to and communicated with the water outlets of the membrane modules 32, respectively, wherein one end of the water distribution pipe 53 far away from the membrane modules 32 is connected and communicated with one end of the water main 51 far away from the self-priming pump 52; a water control valve 54 is installed at the middle of the water main 51.
Referring to fig. 1, the backwashing device comprises a water tank 61, a backwashing water pipe 62 connected and communicated with the bottom of one side of the water tank 61, a backwashing pump 63 and a backwashing valve 64 mounted on the backwashing water pipe 62, wherein one end of the backwashing water pipe 62 far away from the water tank 61 is connected and communicated with one end of a main water pipe 51 far away from a self-priming pump 52; install two-position three way solenoid valve 65 on the outlet of self priming pump 52, specific saying so, two-position three way solenoid valve 65's water inlet and self priming pump 52's outlet connection, be connected respectively and be communicated with outlet pipe 66 and backwash inlet tube 67 on two outlets of two-position three way solenoid valve 65, backwash inlet tube 67 is kept away from self priming pump 52's one end and is connected and communicate with water tank 61 upper portion.
Referring to fig. 2 and 3, the aeration device 4 includes a plurality of aeration pipes 41 respectively disposed between two adjacent membrane modules 32, a connecting pipe 42 disposed outside the membrane frame 31, an air supply hose 43 connected and communicated with one end of the connecting pipe 42, and a driving mechanism disposed in the filtration zone 2 for driving the connecting pipe 42 to move up and down; in this embodiment, the air source 45 is an electromagnetic aeration pump. Connecting seats 421 are fixed on one side of the connecting pipe 42 facing the membrane frame 31 along the length direction of the connecting pipe 42 at intervals, the connecting seats 421 correspond to the aeration pipes 41 one by one, threaded holes communicated with the inside of the connecting pipe 42 are formed in the connecting seats 421, and one ends of the aeration pipes 41 are inserted into the threaded holes and are in threaded connection with the threaded holes. Referring to fig. 4, two rows of air outlets 411 are formed in the aeration pipe 41, and the two rows of air outlets 411 respectively face the two membrane modules 32 located at two sides of the aeration pipe 41.
Referring to fig. 2 and 3, the driving mechanism includes a guide rod 441 vertically disposed and having a lower end fixedly connected to the bottom of the filtering area 2, a lead screw 442 vertically disposed in the filtering area 2, and a submersible motor 443 fixedly connected to the bottom of the filtering area 2, wherein the lower end of the lead screw 442 is fixedly connected to an output shaft of the submersible motor 443; a sliding sleeve 444 is slidably sleeved on the guide rod 441; a screw sleeve 445 in threaded fit with the screw 442 is sleeved on the screw 442; a fixing plate 46 is fixedly connected between the sliding sleeve 444 and the thread sleeve 445, and the fixing plate 46 is positioned on the side of the connecting pipe 42, which faces away from the membrane frame 31; at least two telescopic rods 47 are fixedly connected between the fixing plate 46 and the connecting pipe 42, each telescopic rod 47 is sleeved with a spring 48, the springs 48 are constantly in a compressed state, and the connecting pipe 42 is pressed on the support of the membrane frame 31 under the action of the springs 48; a plurality of hemispherical protrusions 33 are fixed on the pillar contacted with the connection pipe 42 at intervals from top to bottom.
The staff can make the dive motor 443 drive the lead screw 442 to rotate towards different rotation directions by controlling the positive and negative rotation of the dive motor 443, so that the lead screw 442 drives the fixing plate 46 to move upwards or downwards along the guide rod 441, so that the fixing plate 46 carries the connecting pipe 42 and the aeration pipe 41 to move upwards or downwards, in the process that the connecting pipe 42 moves upwards or downwards along with the fixing plate 46, under the action of the spring 48 and the hemispherical protrusion 33, the connecting pipe 42 and the aeration pipe 41 can transversely shake to a certain extent, so that bubbles blown out by the aeration pipe 41 can be more uniformly sprayed onto ultrafiltration membrane filaments in the membrane module 32, and impurities attached to the ultrafiltration membrane filaments are knocked down.
When the electromagnetic aeration pump is used, the submersible motor 443 and the self-priming pump 52 are all in an open state, the water control valve 54 is in an open state, the backwashing valve 64 is in a closed state, and the two-position three-way electromagnetic valve 65 conducts the water main 51 and the water outlet pipe 66; under the action of the self-priming pump 52, water molecules in the filtering area 2 penetrate through the ultrafiltration membrane filaments, then flow through the pipe fitting, the water distribution pipe 53 and the water main 51 in sequence and are finally discharged by the water outlet pipe 66; in the process, the aeration pipe 41 continuously moves up and down, and the gas pumped into the aeration pipe 41 by the electromagnetic aeration pump continuously enters the water in the form of bubbles and strikes the ultrafiltration membrane filaments, so that impurities attached to the ultrafiltration membrane filaments are knocked down.
When the ultrafiltration membrane filaments are fully coated with impurities, the self-priming pump 52 and the water control valve 54 are closed, the backwashing valve 64 and the backwashing pump 63 are opened, and the water in the water tank 61 is pumped into the membrane module 32 under the action of the backwashing pump 63 and is matched with the aeration device 4 to knock down the impurities attached to the ultrafiltration membrane filaments, so that the ultrafiltration membrane filaments recover the water purification capacity.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The utility model provides an integration sewage treatment device based on MBR membrane, includes anoxic zone (1) and filtering area (2) that set up and communicate along the rivers direction, be provided with membrane bioreactor (3) in filtering area (2), be connected with effluent device (5) and back flush unit (6) on membrane bioreactor (3), characterized by: also comprises an aeration device (4);
the membrane bioreactor (3) comprises a membrane frame (31) and a plurality of membrane assemblies (32) which are fixed in the membrane frame (31) at intervals in the transverse direction and are in a vertical posture;
the aeration device (4) comprises a plurality of aeration pipes (41) respectively arranged between two adjacent membrane modules (32), a connecting pipe (42) arranged at the outer side of the membrane frame (31), an air supply hose (43) connected and communicated with the connecting pipe (42) and a driving mechanism arranged in the filtering area (2) and used for driving the connecting pipe (42) to move up and down; one end of the air supply hose (43) far away from the connecting pipe (42) is connected with an air source (45); one end of the aeration pipe (41) is connected and communicated with the connecting pipe (42), and the side wall of the aeration pipe (41) is provided with an air outlet (411) facing the membrane module (32).
2. The MBR membrane-based integrated sewage treatment device of claim 1, which is characterized in that: the driving mechanism comprises a guide rod (441) which is vertically arranged and is fixedly connected with the bottom of the filtering area (2), a lead screw (442) which is vertically arranged in the filtering area (2) and a submersible motor (443) which is fixed at the bottom of the filtering area (2), wherein the lower end of the lead screw (442) is fixedly connected with an output shaft of the submersible motor (443); the sliding sleeve is sleeved with a sliding sleeve (444) on the guide rod (441), a thread sleeve (445) in threaded fit with the guide rod (442) is sleeved on the guide rod (442), and the connecting pipe (42) is connected to the thread sleeve (445) and the sliding sleeve (444).
3. The MBR membrane-based integrated sewage treatment device of claim 2, wherein: a fixing plate (46) is fixedly connected between the thread sleeve (445) and the sliding sleeve (444), and the connecting pipe (42) is positioned between the fixing plate (46) and the membrane frame (31); at least two telescopic rods (47) are fixedly connected between the fixing plate (46) and the connecting pipe (42), a spring (48) is sleeved on each telescopic rod (47), and the connecting pipe (42) is abutted against the membrane frame (31) under the action of the spring (48); one side of the film frame (31) facing the connecting pipe (42) is provided with hemispherical bulges (33) at intervals from top to bottom.
4. The MBR membrane-based integrated sewage treatment device of claim 1, which is characterized in that: the two rows of the air outlet holes (411) are formed in the aeration pipe (41), and the two rows of the air outlet holes (411) face the two membrane modules (32) on two sides of the aeration pipe (41) respectively.
5. The MBR membrane-based integrated sewage treatment device of claim 1, which is characterized in that: a plurality of connecting seats (421) are arranged on one side of the connecting pipe (42) facing the membrane frame (31) at intervals along the length direction of the connecting pipe, and threaded holes communicated with the inside of the connecting pipe (42) are formed in the connecting seats (421); the aeration pipe (41) is inserted into the threaded hole and is in threaded fit with the threaded hole.
6. The MBR membrane-based integrated sewage treatment device of claim 1, which is characterized in that: the air source (45) is an electromagnetic aeration pump.
7. The MBR membrane-based integrated sewage treatment device of claim 1, which is characterized in that: the water outlet device (5) comprises a water main (51), a self-sucking pump (52) arranged at one end of the water main (51) and a plurality of water distribution pipes (53) which are respectively connected and communicated with the water outlets of the membrane modules (32), wherein one end, far away from the membrane modules (32), of each water distribution pipe (53) is connected and communicated with one end, far away from the self-sucking pump (52), of the water main (51).
8. The MBR membrane-based integrated sewage treatment plant of claim 7, wherein: the backwashing device (6) comprises a water tank (61), a backwashing water pipe (62) connected and communicated with one side of the water tank (61), a backwashing pump (63) and a backwashing valve (64) which are arranged on the backwashing water pipe (62), wherein one end of the backwashing water pipe (62) far away from the water tank (61) is connected and communicated with one end of the main water pipe (51) far away from the self-priming pump (52); and a water control valve (54) is arranged in the middle of the water main (51).
9. The MBR membrane-based integrated sewage treatment plant of claim 8, wherein: the water outlet of the self-sucking pump (52) is connected with a water outlet pipe (66) and a backwashing water inlet pipe (67) through a two-position three-way electromagnetic valve (65), and one end, far away from the self-sucking pump (52), of the backwashing water inlet pipe (67) is connected and communicated with a water tank (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020896072.XU CN212403630U (en) | 2020-05-25 | 2020-05-25 | Integration sewage treatment device based on MBR membrane |
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| CN202020896072.XU CN212403630U (en) | 2020-05-25 | 2020-05-25 | Integration sewage treatment device based on MBR membrane |
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| CN212403630U true CN212403630U (en) | 2021-01-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830890A (en) * | 2021-10-22 | 2021-12-24 | 浙江省现代建筑设计研究院有限公司 | Hospital sewage treatment system |
| CN117263369A (en) * | 2023-11-22 | 2023-12-22 | 水研未来(北京)环境工程技术有限公司 | Diaphragm gas-water mixing continuous cleaning device and cleaning method in membrane bioreactor |
-
2020
- 2020-05-25 CN CN202020896072.XU patent/CN212403630U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830890A (en) * | 2021-10-22 | 2021-12-24 | 浙江省现代建筑设计研究院有限公司 | Hospital sewage treatment system |
| CN113830890B (en) * | 2021-10-22 | 2023-03-07 | 浙江省现代建筑设计研究院有限公司 | Hospital sewage treatment system |
| CN117263369A (en) * | 2023-11-22 | 2023-12-22 | 水研未来(北京)环境工程技术有限公司 | Diaphragm gas-water mixing continuous cleaning device and cleaning method in membrane bioreactor |
| CN117263369B (en) * | 2023-11-22 | 2024-02-27 | 水研未来(北京)环境工程技术有限公司 | Diaphragm gas-water mixing continuous cleaning device and cleaning method in membrane bioreactor |
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