CN211770852U - Advanced treatment device for kitchen wastewater - Google Patents
Advanced treatment device for kitchen wastewater Download PDFInfo
- Publication number
- CN211770852U CN211770852U CN202020133666.5U CN202020133666U CN211770852U CN 211770852 U CN211770852 U CN 211770852U CN 202020133666 U CN202020133666 U CN 202020133666U CN 211770852 U CN211770852 U CN 211770852U
- Authority
- CN
- China
- Prior art keywords
- water
- cleaning
- mbr membrane
- tank
- advanced treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
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 relates to a kitchen wastewater advanced treatment device, which comprises an MBR membrane tank (1), an MBR membrane (2) is embedded in the MBR membrane tank (1), the MBR membrane (2) is submerged by kitchen wastewater entering the MBR membrane tank (1) through a water inlet (4), an aeration pipeline (3) is arranged below the MBR membrane (2), and the aeration pipeline (3) is connected with an air blower (5) positioned outside the MBR membrane tank (1); and a water production port of the MBR membrane (2) is respectively connected with a water production branch and a cleaning branch through pipelines. The kitchen wastewater advanced treatment device carries out advanced treatment on kitchen wastewater, and produced water meets the recycling requirement; meanwhile, the device can be combined with a PLC control device, full-automatic and intelligent operation is adopted in the operation process, and MBR membranes can be automatically and effectively cleaned, so that the efficient wastewater treatment effect is ensured.
Description
Technical Field
The utility model relates to a waste water treatment, especially a meal kitchen waste water advanced treatment unit.
Background
In recent years, the kitchen waste water treatment is rapidly developed, but as organic matters in the kitchen waste pretreatment are crushed and pulped, impurities such as plastics, paper and the like are also crushed. Although the kitchen sewage is filtered by the filter and the air floatation machine, a few slight particle impurities cannot be completely removed, so that an MBR (membrane bioreactor) membrane device of a subsequent process section is very easy to pollute and block, and cannot normally operate, and the MBR membrane is damaged.
The MBR membrane device pollutes and blocks up and has very big relation with membrane surface adsorption solute (especially macromolecule), and the pollutant in the sewage adheres to the early stage pollution that forms on the membrane surface at first, and the slight granule of later suspension in microorganism and the sewage is attached to initial stage contaminated layer, causes the MBR membrane to block up.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a meal kitchen waste water advanced treatment unit to realize that MBR membrane device can effectively wash automatically, MBR membrane that can effectual control initial stage pollutes, greatly prolongs chemical cleaning cycle, improves the stability of MBR membrane device operation.
Kitchen waste water advanced treatment unit includes MBR membrane cisterna (1), bury MBR membrane (2) underground in MBR membrane cisterna (1), the water mouth of producing of MBR membrane (2) is passed through the pipeline and is connected respectively and is produced the water branch road and wash the branch road, wherein produces the water branch road and be used for the output with the product water of MBR membrane (2), washs the branch road and is responsible for introducing MBR membrane (2) with the washing water and carries out washing of membrane module, and the MBR membrane is through washing, and the sparge water is direct in the MBR membrane cisterna, does not influence the membrane.
The working principle of the utility model is as follows:
the working state of the kitchen wastewater advanced treatment device comprises a water production flow and a cleaning flow, and is specific:
a water production flow: kitchen sewage enters an MBR membrane tank through a water inlet, and preferably, the kitchen sewage enters the MBR membrane tank for advanced treatment after being treated by a grating, air flotation, a primary sedimentation tank, a denitrification tank and a nitration reaction tank. Have water to get into when MBR membrane cisterna water inlet, reach and set for the liquid level, produce that the water motorised valve is automatic to be opened, produce that the water self priming pump is automatic to be opened, forms the negative pressure for microorganism and fine particle are detained in MBR membrane cisterna rapidly, completely in the MBR membrane cisterna, produce during water (the clear liquid that sees through the MBR membrane) flows into through the pipeline and produces the pond.
The water production run is set for intermittent pumping, for example: in a water production period, the water production self-sucking pump is set for more than 7min, and the stop time is set for more than 1 min. Positive and negative pressure sensors are installed on a pipeline before the water production electric valve, when the negative pressure of the MBR membrane device reaches more than-0.03 Mpa, the water production self-priming pump of the MBR membrane device is automatically stopped, the water production electric valve is closed, and a cleaning flow is entered.
A cleaning process: pipeline installation branch pipe behind the product water self priming pump, the installation washs water moisturizing motorised valve on the branch pipe, with some product water as wasing water, the drainage to the washing water tank of installing the level gauge, after the liquid level height reached and set for the height, washs water moisturizing motorised valve self-closing.
When the MBR membrane device enters a cleaning process, the PLC firstly judges whether the water level of the cleaning water tank reaches a set liquid level (if the water level does not reach the set liquid level, the tap water replenishing electric valve is automatically opened for replenishing water), the set liquid level is reached, the cleaning electric valve is automatically opened, the cleaning water pump is automatically opened, and the cleaning water is used for cleaning the MBR membrane through the cleaning water pump and the cleaning water security filter. The washing has two modes, one is a fixed washing water quantity mode, and the other is a fixed washing time mode, which can be selected according to different conditions. And (4) cleaning the MBR membrane device, and then entering a water production flow.
The medicine washing process comprises the following steps: after the water is cleaned, the water production flow is started, the detection pressure of the positive pressure sensor and the negative pressure sensor is more than-0.05 Mpa, the MBR membrane device sends an alarm to prompt an operator to carry out drug washing, at the moment, the operator only needs to prepare a corresponding medicament, then an acid washing water tank (21) prepares a 2% mass concentration HCl solution, an alkali washing water tank (17) prepares a 0.1-0.3% mass concentration NaClO + 1-3% mass concentration NaOH mixed solution, the drug washing function is started by one key (acid washing and alkali washing can be selected according to the condition, or only acid washing or alkali washing is carried out), and the MBR device enters the corresponding drug washing flow. For example: acid washing and alkali washing are selected, and corresponding agents are prepared to start a drug washing function key. And the sludge circulating pump () discharges water to a set liquid level, and the water is discharged to a sludge tank. The pickling electric valve (24) is opened, the pickling water pump (23) is opened, the pickling water passes through the pickling pump (22) and the pickling water security filter (23), after medicine is fed, the pickling water pump (22) is stopped, the pickling electric valve (24) is closed, the agent stays for 15min for reaction, the cleaning electric valve (16) is opened, the cleaning water pump (14) is opened, the cleaning process is started, the residual agent in the membrane wire is washed clean, the cleaning water pump (14) is stopped, the cleaning electric valve (16) is closed, the sludge circulating pump () drains water to a set liquid level, and the water drains to the sludge tank. The alkaline washing electric valve (20) is opened, the alkaline washing water pump (18) is opened, alkaline washing water passes through the alkaline washing pump (18) and the alkaline washing water security filter (19), after chemicals are fed, the chemicals stay for 15min, a cleaning process is carried out, the residual chemicals in the membrane filaments are washed clean, the sludge circulating pump () drains water to a set liquid level, the water is drained to a sludge tank, the alkaline washing water pump (18) is stopped, the alkaline washing electric valve (20) is closed, the MBR chemical washing process is finished, and the MBR membrane device recovers normal water production.
In order to solve the technical problem, the utility model discloses take following scheme:
a kitchen wastewater advanced treatment device comprises an MBR (membrane bioreactor) membrane tank (1), an MBR (membrane bioreactor) membrane (2) is embedded in the MBR membrane tank (1), the MBR membrane (2) is submerged by kitchen wastewater entering the MBR membrane tank (1) through a water inlet (4), an aeration pipeline (3) is arranged below the MBR membrane (2), and the aeration pipeline (3) is connected with an air blower (5) positioned outside the MBR membrane tank (1); the water production port of the MBR membrane (2) is respectively connected with a water production branch and a cleaning branch through a pipeline, wherein the water production branch comprises a positive pressure sensor (6), a negative pressure sensor (6), a water production electric valve (7), a water production self-priming pump (8) and a water production pool (9) which are sequentially connected, and the positive pressure sensor (6) and the negative pressure sensor are connected with the water production port of the MBR membrane (2); the washing branch comprises 3 parallel branches: the water quality control device comprises a tap water cleaning branch, an alkaline water cleaning branch and an acidic water cleaning branch, wherein the tap water cleaning branch comprises a cleaning water tank (13), a cleaning water pump (14), a cleaning security filter (15) and a cleaning electric valve (16) which are sequentially connected, the alkaline water cleaning branch comprises an alkaline cleaning water tank (17), an alkaline cleaning pump (18), an alkaline cleaning security filter (19) and an alkaline cleaning electric valve (20) which are sequentially connected, the acidic water cleaning branch comprises an acid cleaning water tank (21), an acid cleaning pump (22), an acid cleaning security filter (23) and an acid cleaning electric valve (24) which are sequentially connected, and the cleaning electric valve (16), the alkaline cleaning electric valve (20) and the acid cleaning electric valve (24) are all connected with a water production port of the MBR membrane (2); the water producing tank (9) is connected with a first water inlet of the cleaning water tank (13) through a cleaning water and water supplementing electric valve (10), a second water inlet of the cleaning water tank (13) is connected with a tap water and water supplementing electric valve (11), a cleaning water tank liquid level meter (12) is installed on the cleaning water tank (13), the liquid level height in the cleaning water tank (13) is identified through the cleaning water tank liquid level meter (12), and then whether tap water enters the cleaning water tank (13) or not is controlled through the tap water and water supplementing electric valve (11) to supplement water.
Further, the water inlet (4) is arranged at the top of the MBR membrane pool (1).
Further, the aeration pipeline (3) is positioned right below the MBR membrane (2).
Further, the MBR membrane (2) is immersed in a PTFE (polytetrafluoroethylene) MBR membrane.
Further, water inlet motorised valve (25) is connected in water inlet (4), MBR membrane cisterna (1) installation MBR membrane cisterna level gauge (26), discerns through MBR membrane cisterna level gauge (26) the liquid level of MBR membrane cisterna (1), with the help of whether the motorised valve of intaking (25) control meal kitchen waste water gets into MBR membrane cisterna (1).
Further, the alkaline washing water tank (17) and the acid washing water tank (21) are polytetrafluoroethylene water tanks.
Furthermore, a mixed solution of NaClO and NaOH is filled in the alkaline washing water tank (17), and preferably, a mixed solution of NaClO with the mass concentration of 0.1-0.3% and NaOH with the mass concentration of 1-3% is prepared and filled.
Further, the pickling water tank (21) is filled with an HCl solution, preferably a 2% HCl solution by mass.
Furthermore, kitchen sewage passes through the pipeline and connects gradually grid, air supporting pond, preliminary sedimentation tank, denitrification pond and nitration reaction pond, nitration reaction pond connects water inlet (4).
Through adopting aforementioned technical scheme, compared with the prior art, the utility model, have following advantage:
1. the utility model discloses the device can combine PLC controlling means, adopts full-automatic, intelligent operation to the operation process, can effectively wash automatically, and the MBR membrane that can effectual control initial stage pollutes, greatly prolongs chemical cleaning cycle, improves the stability and the reliability of MBR membrane device operation, reduces artifical intensity.
2. The utility model discloses installation positive negative pressure sensor on the device product water pipeline, PLC controlling means carries out MBR membrane device's jam condition through positive negative pressure sensor signal and carries out intelligent judgement, and its judgement method is accurate reliable, does benefit to in time to discover the jam condition, and after discovering the jam condition, can realize the high-efficient washing of MBR membrane device, realizes the long-time automatic operation of this device then.
3. The utility model discloses the device is through installing the branch road on the product water pipeline, utilizes to produce water and carries out the moisturizing to wasing the water tank, reduces the running water quantity, realizes energy comprehensive utilization.
4. The utility model discloses before the device washs the flow and starts, utilize and wash the water tank level gauge and wash the water tank liquid level earlier and judge, guaranteed to wash flow validity.
5. The utility model discloses the device washs water tank moisturizing mode has two kinds, one kind is in producing the water flow, produces water through the branch pipe moisturizing, one kind is when wasing the flow, washs the water tank liquid level and judges, through running water moisturizing motorised valve moisturizing, and the sufficiency of wasing water is guaranteed in the cooperation of two kinds of modes.
6. The utility model discloses device MBR membrane cleaning has two kinds of modes, one is fixed washing water yield mode, and one is fixed cleaning time mode, can select easily control according to the different conditions.
Drawings
Figure 1 is the embodiment of the utility model provides a meal kitchen waste water advanced treatment unit schematic structure diagram.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, the advanced treatment device for kitchen wastewater comprises an MBR membrane tank 1, an MBR membrane 2 is buried in the MBR membrane tank 1, the MBR membrane 2 is submerged by kitchen wastewater entering the MBR membrane tank 1 through a water inlet 4, an aeration pipeline 3 is arranged below the MBR membrane 2, and the aeration pipeline 3 is connected with a blower 5 located outside the MBR membrane tank 1; the water production port of the MBR membrane 2 is respectively connected with a water production branch and a cleaning branch through a pipeline, wherein the water production branch comprises a positive and negative pressure sensor 6, a water production electric valve 7, a water production self-priming pump 8 and a water production pond 9 which are sequentially connected, and the positive and negative pressure sensor 6 is connected with the water production port of the MBR membrane 2; the washing branch comprises 3 parallel branches: the device comprises a tap water cleaning branch, an alkaline water cleaning branch and an acidic water cleaning branch, wherein the tap water cleaning branch comprises a cleaning water tank 13, a cleaning water pump 14, a cleaning cartridge filter 15 and a cleaning electric valve 16 which are sequentially connected, the alkaline water cleaning branch comprises an alkaline cleaning water tank 17, an alkaline cleaning pump 18, an alkaline cleaning cartridge filter 19 and an alkaline cleaning electric valve 20 which are sequentially connected, the acidic water cleaning branch comprises an acid cleaning water tank 21, an acid cleaning pump 22, an acid cleaning cartridge filter 23 and an acid cleaning electric valve 24 which are sequentially connected, and the cleaning electric valve 16, the alkaline cleaning electric valve 20 and the acid cleaning electric valve 24 are all connected with a water production port of the MBR membrane 2; the water producing tank 9 is connected with a first water inlet of the cleaning water tank 13 through a cleaning water replenishing electric valve 10, a second water inlet of the cleaning water tank 13 is connected with a tap water replenishing electric valve 11, the cleaning water tank 13 is provided with a cleaning water tank liquid level meter 12, the liquid level height in the cleaning water tank 13 is identified through the cleaning water tank liquid level meter 12, and then whether tap water enters the cleaning water tank 13 or not is controlled through the tap water replenishing electric valve 11 to replenish water.
Example 2:
the embodiment is optimized on the basis of embodiment 1, and the water inlet 4 is arranged at the top of the MBR membrane tank 1, so that the inlet water is stable.
Preferably, the length of the aeration pipeline 3 is greater than or equal to that of the MBR membrane 2, and the aeration pipeline 3 is positioned right below the MBR membrane 2.
Example 3:
this embodiment optimizes on embodiment 1's basis water inlet 4 connects into water motorised valve 25 (not shown), MBR membrane cisterna 1 installation MBR membrane cisterna level gauge 26 through MBR membrane cisterna level gauge 26 discernment MBR membrane cisterna 1's liquid level, with the help of it whether the kitchen waste water of intake motorised valve 25 control gets into MBR membrane cisterna 1. After adopting this structure, can monitor the condition of intaking, avoid MBR membrane cisterna 1 not by complete submergence to and intake too much condition.
Further, the MBR membrane tank 1 is provided with a sludge circulating pump 27 (not shown), when the device normally operates, the sludge circulating pump 27 discharges the excess sludge in the MBR membrane tank 1, and the excess sludge can be used for supplementing the excess sludge to the aerobic tank, so that the sludge concentration in the aerobic tank is ensured, and the sludge can also be discharged to a sludge concentration tank. When the MBR membrane 2 is washed and cleaned by the chemicals, the sludge circulating pump 27 drains water to a set liquid level, the chemicals are pumped out, the residual chemicals in the MBR membrane tank 1 are discharged after soaking, and the cleaning water is discharged during cleaning.
Example 4:
the present embodiment is optimized based on embodiment 3, and the alkaline washing water tank 17 and the acid washing water tank 21 are polytetrafluoroethylene water tanks. The polytetrafluoroethylene water tank has the advantage of acid and alkali corrosion resistance, so that the whole set of equipment is more durable.
Preferably, a mixed solution of 0.1-0.3% by mass concentration NaClO + 1-3% by mass concentration NaOH is prepared in the alkaline washing water tank 17. The pickling water tank 21 is filled with a 2% HCl solution in mass concentration to achieve a good cleaning effect of the MBR membrane.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.
Claims (9)
1. The utility model provides a meal kitchen waste water advanced treatment unit which characterized in that: the kitchen wastewater advanced treatment device comprises an MBR (membrane bioreactor) membrane tank (1), an MBR membrane (2) is buried in the MBR membrane tank (1), the MBR membrane (2) is submerged by kitchen wastewater entering the MBR membrane tank (1) through a water inlet (4), an aeration pipeline (3) is arranged below the MBR membrane (2), and the aeration pipeline (3) is connected with an air blower (5) positioned outside the MBR membrane tank (1); the water production port of the MBR membrane (2) is respectively connected with a water production branch and a cleaning branch through a pipeline, wherein the water production branch comprises a positive pressure sensor (6), a negative pressure sensor (6), a water production electric valve (7), a water production self-priming pump (8) and a water production pool (9) which are sequentially connected, and the positive pressure sensor (6) and the negative pressure sensor are connected with the water production port of the MBR membrane (2); the washing branch comprises 3 parallel branches: the water quality control device comprises a tap water cleaning branch, an alkaline water cleaning branch and an acidic water cleaning branch, wherein the tap water cleaning branch comprises a cleaning water tank (13), a cleaning water pump (14), a cleaning security filter (15) and a cleaning electric valve (16) which are sequentially connected, the alkaline water cleaning branch comprises an alkaline cleaning water tank (17), an alkaline cleaning pump (18), an alkaline cleaning security filter (19) and an alkaline cleaning electric valve (20) which are sequentially connected, the acidic water cleaning branch comprises an acid cleaning water tank (21), an acid cleaning pump (22), an acid cleaning security filter (23) and an acid cleaning electric valve (24) which are sequentially connected, and the cleaning electric valve (16), the alkaline cleaning electric valve (20) and the acid cleaning electric valve (24) are all connected with a water production port of the MBR membrane (2); the water producing tank (9) is connected with a first water inlet of the cleaning water tank (13) through a cleaning water and water supplementing electric valve (10), a second water inlet of the cleaning water tank (13) is connected with a tap water and water supplementing electric valve (11), a cleaning water tank liquid level meter (12) is installed on the cleaning water tank (13), the liquid level height in the cleaning water tank (13) is identified through the cleaning water tank liquid level meter (12), and then whether tap water enters the cleaning water tank (13) or not is controlled through the tap water and water supplementing electric valve (11) to supplement water.
2. The kitchen wastewater advanced treatment device according to claim 1, characterized in that: the water inlet (4) is arranged at the top of the MBR membrane tank (1).
3. The kitchen wastewater advanced treatment device according to claim 1, characterized in that: the aeration pipeline (3) is positioned right below the MBR membrane (2).
4. The kitchen wastewater advanced treatment device according to claim 1, characterized in that: the MBR membrane (2) is an immersed polytetrafluoroethylene MBR membrane.
5. The kitchen wastewater advanced treatment device according to claim 1, characterized in that: water inlet motorised valve (25) are connected in water inlet (4), MBR membrane cisterna (1) installation MBR membrane cisterna level gauge (26) is discerned through MBR membrane cisterna level gauge (26) the liquid level of MBR membrane cisterna (1) is controlled and is produced water from the suction pump, and with the help of whether the motorised valve (25) of intaking controls kitchen waste water and gets into MBR membrane cisterna (1).
6. The kitchen wastewater advanced treatment device according to claim 1, characterized in that: and a sludge circulating pump 27 is arranged on the MBR membrane tank (1).
7. The kitchen wastewater advanced treatment device according to claim 1, characterized in that: the alkaline washing water tank (17) and the acid washing water tank (21) are polytetrafluoroethylene water tanks.
8. The kitchen wastewater advanced treatment device according to claim 1 or 7, characterized in that: the pickling water tank (21) is filled with HCl solution.
9. The kitchen wastewater advanced treatment device according to any one of claims 1-7, characterized in that: kitchen sewage passes through the pipeline and connects gradually grid, air supporting pond, preliminary sedimentation tank, denitrification pond and nitration reaction pond, nitration reaction pond connects water inlet (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020133666.5U CN211770852U (en) | 2020-01-20 | 2020-01-20 | Advanced treatment device for kitchen wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020133666.5U CN211770852U (en) | 2020-01-20 | 2020-01-20 | Advanced treatment device for kitchen wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211770852U true CN211770852U (en) | 2020-10-27 |
Family
ID=72903802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020133666.5U Active CN211770852U (en) | 2020-01-20 | 2020-01-20 | Advanced treatment device for kitchen wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211770852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113277611A (en) * | 2021-05-08 | 2021-08-20 | 河北恒特环保工程有限公司 | MBR membrane tank group sewage treatment system and equipment thereof |
-
2020
- 2020-01-20 CN CN202020133666.5U patent/CN211770852U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113277611A (en) * | 2021-05-08 | 2021-08-20 | 河北恒特环保工程有限公司 | MBR membrane tank group sewage treatment system and equipment thereof |
| CN113277611B (en) * | 2021-05-08 | 2022-06-14 | 河北恒特环保工程有限公司 | MBR membrane tank group sewage treatment system and equipment thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2258663A1 (en) | Grey water regeneration system | |
| CN102616954B (en) | Integrated water purification and supply method and system | |
| CN104787931B (en) | A kind of deep treatment system of papermaking wastewater and technique | |
| CN204752397U (en) | Papermaking advanced waste treatment system | |
| CN211770852U (en) | Advanced treatment device for kitchen wastewater | |
| US6042730A (en) | Car wash wastewater treatment | |
| CN201189449Y (en) | Immersion type film filteration device | |
| CN112354370A (en) | Ceramic membrane chemical cleaning waste liquid treatment process | |
| CN111056632A (en) | Anaerobic external tubular ultrafiltration membrane bioreactor | |
| CN209468274U (en) | The mutual backwash sewage disposal device of the double films of automatic control based on MBR membrane process | |
| JP4358174B2 (en) | Anaerobic water treatment device | |
| CN214167589U (en) | Ceramic membrane chemical cleaning waste liquid treatment device | |
| CN212327957U (en) | Self-cleaning intelligent ultrafiltration membrane pool device | |
| CN208762315U (en) | A kind of rainwater recycles the device of manufacture recirculated water | |
| CN214571013U (en) | Leachate and kitchen wastewater MBR system | |
| CN214693755U (en) | Kitchen biogas slurry filtering system | |
| CN205473211U (en) | Sewage treatment plant for boats and ships | |
| CN206955779U (en) | A kind of water-saving water purifier | |
| CN202492419U (en) | Organic wastewater treatment system | |
| CN217838452U (en) | Concentrated water recycling device and water treatment device | |
| CN220520220U (en) | Immersed ultrafiltration membrane auxiliary facility device | |
| CN210711002U (en) | Reverse osmosis device for sewage treatment equipment | |
| CN221166329U (en) | Mine water treatment system | |
| CN215480382U (en) | Butanone oxime waste water biological treatment device | |
| CN219567751U (en) | Box-type integrated ultrafiltration water purifying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |