CN221141447U - High-efficient MBR integration sewage treatment plant - Google Patents
High-efficient MBR integration sewage treatment plant Download PDFInfo
- Publication number
- CN221141447U CN221141447U CN202321920593.4U CN202321920593U CN221141447U CN 221141447 U CN221141447 U CN 221141447U CN 202321920593 U CN202321920593 U CN 202321920593U CN 221141447 U CN221141447 U CN 221141447U
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- 239000010865 sewage Substances 0.000 title claims abstract description 26
- 230000010354 integration Effects 0.000 title claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 112
- 239000012528 membrane Substances 0.000 claims abstract description 104
- 239000007788 liquid Substances 0.000 claims abstract description 77
- 230000007062 hydrolysis Effects 0.000 claims abstract description 15
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 15
- 238000005086 pumping Methods 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 16
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000010802 sludge Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000011001 backwashing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a high-efficiency MBR integrated sewage treatment device, and relates to the field of sewage treatment equipment. The utility model comprises an anoxic tank, a dephosphorization hydrolysis tank and a double MBR membrane tank which are sequentially communicated along the flow direction of raw water, wherein the double MBR membrane tank is communicated with a medium water end through a liquid discharge pipe by a switching pipeline system, and the switching pipeline system is simultaneously communicated with a clean water tank; the double MBR membrane tanks comprise a first membrane tank communicated with the dephosphorization hydrolysis tank through a first valve and a second membrane tank communicated with the dephosphorization hydrolysis tank through a second valve, and the first membrane tank and the second membrane tank are communicated with the clean water tank through the switching pipeline system; in order to solve the problem that the existing MBR membrane sewage treatment equipment needs to stop production of the whole equipment in the process of back water cleaning, and influences sewage treatment efficiency.
Description
Technical Field
The utility model relates to the field of sewage treatment equipment, in particular to a high-efficiency MBR integrated sewage treatment device.
Background
The MBR membrane-bioreactor is a novel wastewater treatment system which organically combines a membrane separation technology and a biological treatment technology. The membrane component is used for replacing a traditional biological treatment technology end secondary sedimentation tank, high activated sludge concentration is kept in a biological reactor, and biological treatment organic load is improved, so that the occupied area of sewage treatment facilities is reduced, and the residual sludge amount is reduced by keeping low sludge load. Mainly uses the membrane separation equipment immersed in the aerobic biological pool to intercept the activated sludge and macromolecular organic matters in the tank. The concentration of activated sludge (MLSS) in the membrane bioreactor system can be increased to 8000-10,000 mg/L or even higher; sludge age (SRT) can be prolonged to more than 30 days.
In the existing MBR membrane sewage treatment system, after the MBR membrane is used for a period of time, the MBR membrane needs to be reversely cleaned, and in the backwashing process, the corresponding MBR membrane sewage treatment equipment needs to be in a shutdown and production stopping state. This is a reply to a decrease in efficiency of sewage treatment, and for a sewage treatment plant, two pieces of equipment need to be prepared for alternate use, thereby greatly increasing the cost of construction.
Disclosure of utility model
The utility model aims to provide a high-efficiency MBR integrated sewage treatment device, which aims to solve the problem that the whole device is required to be stopped in the process of back water cleaning of the existing MBR membrane sewage treatment device, and the sewage treatment efficiency is affected.
In order to solve the problems, the utility model adopts the following technical means:
The utility model provides a high-efficient MBR integration sewage treatment plant, includes anoxic tank, dephosphorization hydrolysis tank and the double MBR membrane pond that communicate in proper order along raw water flow direction, double MBR membrane pond passes through switching pipeline system and passes through the fluid-discharge tube and communicates with the well water end, switching pipeline system communicates with the clean water basin simultaneously;
The double MBR membrane tanks comprise a first membrane tank communicated with the dephosphorization hydrolysis tank through a first valve and a second membrane tank communicated with the dephosphorization hydrolysis tank through a second valve, and the first membrane tank and the second membrane tank are communicated with the clean water tank through a switching pipeline system.
Preferably, the switching pipe system includes,
The liquid outlet end of the first pump body is communicated with the liquid discharge pipe through a first liquid outlet pipe, and the first liquid inlet pipe is communicated with the first liquid outlet pipe through a first circulating pipe;
The liquid outlet end of the second pump body is communicated with the liquid discharge pipe through a second liquid outlet pipe, and the second liquid inlet pipe is communicated with the second liquid outlet pipe through a second circulating pipe;
The switching pipeline system also comprises a plurality of valves for control.
Further, the first liquid inlet pipeline comprises a first main pipe communicated with the first pump body, the first main pipe is communicated with the first membrane tank through a first water pumping pipe, a first electric valve is installed on the first water pumping pipe, the first main pipe is communicated with the clean water tank through a first clean water pipe, and a second electric valve is installed on the first clean water pipe;
The first circulating pipe is used for communicating the first liquid outlet pipe with the first water suction pipe, the first electric valve is arranged on the upstream side of the communication position of the first circulating pipe and the first water suction pipe, the third electric valve is arranged on the first circulating pipe, the fourth electric valve is arranged on the first liquid outlet pipe, and the fourth electric valve is arranged on the downstream side of the communication position of the first circulating pipe and the first liquid outlet pipe.
Further, the second liquid inlet pipeline comprises a second main pipe communicated with the second pump body, the second main pipe is communicated with the second membrane tank through a second water pumping pipe, a fifth electric valve is arranged on the second water pumping pipe, the second main pipe is communicated with the clean water tank through a second clean water pipe, and a sixth electric valve is arranged on the second clean water pipe;
The second liquid outlet pipe is communicated with the second water suction pipe through the second circulating pipe, the fifth electric valve is arranged on the upstream side of the communication position of the second circulating pipe and the second water suction pipe, the seventh electric valve is arranged on the second circulating pipe, the eighth electric valve is arranged on the second liquid outlet pipe, and the eighth electric valve is arranged on the downstream side of the communication position of the second circulating pipe and the second liquid outlet pipe.
Still further, first drain pipe and the second drain pipe all with the wet return intercommunication, the wet return with clean water basin intercommunication, install the ninth motorised valve on the wet return.
The utility model has the following beneficial effects in the using process:
In the normal use process, raw water enters the double MBR membrane tanks after passing through the anoxic tank and the dephosphorization hydrolysis tank, specifically, in the use process, the raw water enters the first membrane tank through the first valve or the raw water enters the second membrane tank through the second valve. After the first membrane tank is used for a long time, the first membrane tank needs to be cleaned, at the moment, the first valve is closed, the second valve is opened, and raw water enters the second membrane tank for treatment. Meanwhile, the first membrane tank is disconnected from the reclaimed water end through the switching pipeline system, the second membrane tank is communicated with the reclaimed water end, the switching pipeline system is utilized to backwash the first membrane tank at the same time in the state, and clean water in the clean water tank is pumped into the membrane tank to backwash. Similarly, the state between the first membrane tank and the second membrane tank and the middle water end can be switched by using the switching pipeline system. When the first membrane tank needs to be backwashed, raw water enters the second membrane tank through the second valve to be treated and enters the reclaimed water end. When the second membrane tank needs to be cleaned, the second valve is closed, raw water enters the first membrane tank through the first valve for treatment, and simultaneously, the second membrane tank is backwashed through a switching pipeline system. Therefore, for the whole system, even if the MBR membrane tank is backwashed, the shutdown can be avoided, and the sewage treatment efficiency is greatly improved.
Drawings
Fig. 1 is a schematic top view of the present utility model.
Fig. 2 is a schematic diagram of a communication structure between a first membrane tank and a switching pipeline system according to the present utility model.
FIG. 3 is a schematic diagram of a communication structure between a second membrane tank and a switching pipeline system according to the present utility model.
Wherein, 1-anoxic tank, 2-dephosphorization hydrolysis tank, 3-clean water tank, 4-first valve, 5-first membrane tank, 6-second valve, 7-second membrane tank, 8-first pump body, 9-first liquid inlet pipeline, 91-first main pipe, 92-first water pumping pipe, 93-first clean water pipe, 10-first liquid outlet pipe, 11-drain pipe, 12-first circulating pipe, 13-second pump body, 14-second liquid inlet pipeline, 141-second main pipe, 142-second water pumping pipe, 143-second clean water pipe, 15-second liquid outlet pipe, 16-second circulating pipe, 17-first electric valve, 18-second electric valve, 19-third electric valve, 20-fourth electric valve, 21-fifth electric valve, 22-sixth electric valve, 23-seventh electric valve, 24-eighth electric valve, 25-return pipe, 26-ninth electric valve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 3, a high-efficiency MBR integrated sewage treatment device includes an anoxic tank 1, a dephosphorization hydrolysis tank 2 and a double MBR membrane tank which are sequentially communicated along the flow direction of raw water, wherein the double MBR membrane tank is communicated with a reclaimed water end through a liquid discharge pipe 11 by a switching pipeline system, and the switching pipeline system is simultaneously communicated with a clean water tank 3;
The double MBR membrane tanks comprise a first membrane tank 5 communicated with the dephosphorization hydrolysis tank 2 through a first valve 4 and a second membrane tank 7 communicated with the dephosphorization hydrolysis tank 2 through a second valve 6, and the first membrane tank 5 and the second membrane tank 7 are communicated with the clean water tank 3 through the switching pipeline system.
Thus, in the normal use process, the raw water enters the double MBR membrane tanks after passing through the anoxic tank 1 and the dephosphorization hydrolysis tank 2, specifically, in the use process, the raw water enters the first membrane tank 5 through the first valve 4 or the raw water enters the second membrane tank 7 through the second valve 6. After the first membrane tank 5 is used for a long time, the first membrane tank 5 needs to be cleaned, at the moment, the first valve 4 is closed, the second valve 6 is opened, and raw water enters the second membrane tank 7 for treatment. Meanwhile, the first membrane tank 5 is disconnected from the middle water end through the switching pipeline system, the second membrane tank 7 is communicated with the middle water end, the switching pipeline system is utilized to backwash the first membrane tank 5 at the same time in the state, and clean water in the clean water tank 3 is pumped into the membrane tank to backwash. Similarly, the state between the first membrane tank 5 and the second membrane tank 7 and the medium water end can be switched by using a switching pipeline system. When the first membrane tank 5 needs to be backwashed, raw water enters the second membrane tank 7 through the second valve 6 for treatment and enters the reclaimed water end. When the second membrane tank 7 needs to be cleaned, the second valve 6 is closed, raw water enters the first membrane tank 5 through the first valve 4 for treatment, and simultaneously, the second membrane tank 7 is backwashed through switching a pipeline system. Therefore, for the whole system, even if the MBR membrane tank is backwashed, the shutdown can be avoided, and the sewage treatment efficiency is greatly improved.
Further, the switching pipeline system comprises,
The liquid inlet end of the first pump body 8 is communicated with a first liquid inlet pipeline 9, the first liquid inlet pipeline 9 is respectively communicated with the first membrane tank 5 and the clean water tank 3, the liquid outlet end of the first pump body 8 is communicated with the liquid discharge pipe 11 through a first liquid outlet pipe 10, and the first liquid inlet pipeline 9 is communicated with the first liquid outlet pipe 10 through a first circulating pipe 12;
The liquid inlet end of the second pump body 13 is communicated with a second liquid inlet pipeline 14, the second liquid inlet pipeline 14 is respectively communicated with the second membrane tank 7 and the clean water tank 3, the liquid outlet end of the second pump body 13 is communicated with the liquid discharge pipe 11 through a second liquid outlet pipe 15, and the second liquid inlet pipeline 14 is communicated with the second liquid outlet pipe 15 through a second circulating pipe 16;
The switching pipeline system also comprises a plurality of valves for control.
Specifically, the first liquid inlet pipeline 9 includes a first main pipe 91 that is communicated with the first pump body 8, the first main pipe 91 is communicated with the first membrane tank 5 through a first water pumping pipe 92, a first electric valve 17 is installed on the first water pumping pipe 92, the first main pipe 91 is communicated with the clean water tank 3 through a first clean water pipe 93, and a second electric valve 18 is installed on the first clean water pipe 93;
The first circulation pipe 12 communicates the first liquid outlet pipe 10 with the first water pumping pipe 92, the first electric valve 17 is disposed on an upstream side of a communication position between the first circulation pipe 12 and the first water pumping pipe 92, the third electric valve 19 is mounted on the first circulation pipe 12, the fourth electric valve 20 is mounted on the first liquid outlet pipe 10, and the fourth electric valve 20 is disposed on a downstream side of a communication position between the first circulation pipe 12 and the first liquid outlet pipe 10.
The second liquid inlet pipe 14 includes a second main pipe 141 that is communicated with the second pump body 13, the second main pipe 141 is communicated with the second membrane tank 7 through a second water suction pipe 142, a fifth electric valve 21 is installed on the second water suction pipe 142, the second main pipe 141 is communicated with the clean water tank 3 through a second clean water pipe 143, and a sixth electric valve 22 is installed on the second clean water pipe 143;
The second circulation pipe 16 communicates the second liquid outlet pipe 15 with the second water pumping pipe 142, the fifth electric valve 21 is disposed on an upstream side of a communication position between the second circulation pipe 16 and the second water pumping pipe 142, the seventh electric valve 23 is mounted on the second circulation pipe 16, the eighth electric valve 24 is mounted on the second liquid outlet pipe 15, and the eighth electric valve 24 is disposed on a downstream side of a communication position between the second circulation pipe 16 and the second liquid outlet pipe 15.
In this way, when switching is performed by the switching piping system, the communication state between the first membrane tank 5 and the second membrane tank 7 and the drain pipe 11 is controlled by the fourth electric valve 20 and the eighth electric valve 24. When the fourth electrically operated valve 20 is opened and the eighth electrically operated valve 24 is closed, the first membrane tank 5 communicates with the drain pipe 11, and when the eighth electrically operated valve 24 is opened and the fourth electrically operated valve 20 is closed, the second membrane tank 7 communicates with the drain pipe 11. In the present apparatus, the first electrically operated valve 17 and the eighth electrically operated valve 24 are alternately opened and closed.
When the whole switching pipeline system is used for adjusting the backwashing state and the water outlet state;
In the first membrane tank 5, when the first electric valve 17 and the fourth electric valve 20 are opened and the second electric valve 18 and the third electric valve 19 are closed under the action of the first pump body 8, the first membrane tank 5 is in a water outlet state. When the first membrane tank 5 needs to be backwashed, under the action of the first pump body 8, when the second electric valve 18 and the third electric valve 19 are opened and the first electric valve 17 and the fourth electric valve 20 are closed, clean water in the clean water tank 3 can enter the first membrane tank 5 to backwash the first membrane tank 5.
Similarly, in the second membrane tank 7, when the fifth and eighth electrically operated valves 21 and 24 are opened and the sixth and seventh electrically operated valves 22 and 23 are closed under the action of the second pump body 13, the second membrane tank 7 is in a water outlet state. When the second membrane pond 7 needs to be backwashed, under the action of the second pump body 13, when the sixth electric valve 22 and the seventh electric valve 23 are opened and the fifth electric valve 21 and the eighth electric valve 24 are closed, clean water in the clean water pond 3 can enter the second membrane pond 7 to backwash the second membrane pond 7.
Further, the first liquid outlet pipe 10 and the second liquid outlet pipe 15 are both communicated with a water return pipe 25, the water return pipe 25 is communicated with the clean water tank 3, and a ninth electric valve 26 is installed on the water return pipe 25.
In this way, when necessary, the clean water treated in the first membrane tank 5 or the second membrane tank 7 can be introduced into the clean water tank 3 by opening the ninth electric valve 26, and the water consumed by backwashing in the clean water tank 3 can be replenished. Therefore, no extra equipment is needed to be additionally arranged, and the sewage is replenished after being treated.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. The utility model provides a high-efficient MBR integration sewage treatment plant which characterized in that: the device comprises an anoxic tank (1), a dephosphorization hydrolysis tank (2) and a double MBR membrane tank which are sequentially communicated along the flow direction of raw water, wherein the double MBR membrane tank is communicated with a medium water end through a liquid discharge pipe (11) by a switching pipeline system, and the switching pipeline system is simultaneously communicated with a clean water tank (3);
The double MBR membrane tanks comprise a first membrane tank (5) communicated with the dephosphorization hydrolysis tank (2) through a first valve (4) and a second membrane tank (7) communicated with the dephosphorization hydrolysis tank (2) through a second valve (6), and the first membrane tank (5) and the second membrane tank (7) are communicated with the clean water tank (3) through a switching pipeline system.
2. The efficient MBR integrated sewage treatment device according to claim 1, wherein: the switching pipe system comprises a switching pipe system,
The liquid inlet end of the first pump body (8) is communicated with a first liquid inlet pipeline (9), the first liquid inlet pipeline (9) is respectively communicated with the first membrane tank (5) and the clean water tank (3), the liquid outlet end of the first pump body (8) is communicated with the liquid outlet pipe (11) through a first liquid outlet pipe (10), and the first liquid inlet pipeline (9) is communicated with the first liquid outlet pipe (10) through a first circulating pipe (12);
the liquid inlet end of the second pump body (13) is communicated with a second liquid inlet pipeline (14), the second liquid inlet pipeline (14) is respectively communicated with the second membrane tank (7) and the clean water tank (3), the liquid outlet end of the second pump body (13) is communicated with the liquid outlet pipe (11) through a second liquid outlet pipe (15), and the second liquid inlet pipeline (14) is communicated with the second liquid outlet pipe (15) through a second circulating pipe (16);
The switching pipeline system also comprises a plurality of valves for control.
3. The efficient MBR integrated sewage treatment device according to claim 2, wherein: the first liquid inlet pipeline (9) comprises a first main pipe (91) communicated with the first pump body (8), the first main pipe (91) is communicated with the first membrane tank (5) through a first water pumping pipe (92), a first electric valve (17) is installed on the first water pumping pipe (92), the first main pipe (91) is communicated with the clean water tank (3) through a first clean water pipe (93), and a second electric valve (18) is installed on the first clean water pipe (93);
The first circulating pipe (12) is used for communicating the first liquid outlet pipe (10) with the first water suction pipe (92), the first electric valve (17) is arranged on the upstream side of the communication position of the first circulating pipe (12) and the first water suction pipe (92), the third electric valve (19) is arranged on the first circulating pipe (12), the fourth electric valve (20) is arranged on the first liquid outlet pipe (10), and the fourth electric valve (20) is arranged on the downstream side of the communication position of the first circulating pipe (12) and the first liquid outlet pipe (10).
4. The efficient MBR integrated sewage treatment device according to claim 2, wherein: the second liquid inlet pipeline (14) comprises a second main pipe (141) communicated with the second pump body (13), the second main pipe (141) is communicated with the second membrane tank (7) through a second water pumping pipe (142), a fifth electric valve (21) is arranged on the second water pumping pipe (142), the second main pipe (141) is communicated with the clean water tank (3) through a second clean water pipe (143), and a sixth electric valve (22) is arranged on the second clean water pipe (143);
The second liquid outlet pipe (15) is communicated with the second water pumping pipe (142) through the second circulating pipe (16), the fifth electric valve (21) is arranged on the upstream side of the communication position of the second circulating pipe (16) and the second water pumping pipe (142), the seventh electric valve (23) is arranged on the second circulating pipe (16), the eighth electric valve (24) is arranged on the second liquid outlet pipe (15), and the eighth electric valve (24) is arranged on the downstream side of the communication position of the second circulating pipe (16) and the second liquid outlet pipe (15).
5. The efficient MBR integrated sewage treatment device according to any one of claims 2 to 4, wherein: the first liquid outlet pipe (10) and the second liquid outlet pipe (15) are both communicated with the water return pipe (25), the water return pipe (25) is communicated with the clean water tank (3), and a ninth electric valve (26) is arranged on the water return pipe (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321920593.4U CN221141447U (en) | 2023-07-20 | 2023-07-20 | High-efficient MBR integration sewage treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321920593.4U CN221141447U (en) | 2023-07-20 | 2023-07-20 | High-efficient MBR integration sewage treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221141447U true CN221141447U (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321920593.4U Active CN221141447U (en) | 2023-07-20 | 2023-07-20 | High-efficient MBR integration sewage treatment plant |
Country Status (1)
| Country | Link |
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| CN (1) | CN221141447U (en) |
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2023
- 2023-07-20 CN CN202321920593.4U patent/CN221141447U/en active Active
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