CN218115216U - Chemical wastewater treatment system of recycling - Google Patents
Chemical wastewater treatment system of recycling Download PDFInfo
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- CN218115216U CN218115216U CN202023340233.6U CN202023340233U CN218115216U CN 218115216 U CN218115216 U CN 218115216U CN 202023340233 U CN202023340233 U CN 202023340233U CN 218115216 U CN218115216 U CN 218115216U
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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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Abstract
The utility model discloses a chemical sewage treatment and recycling system, which corresponds to a raw water tank and comprises a regulating tank pretreatment system, an A/A/O biological treatment system, an MBR treatment system and an electrical control system; the pretreatment system comprises a grid tank, a primary sedimentation tank and an adjusting tank which are sequentially communicated with a raw water tank; the A/A/O biological treatment system comprises an anaerobic tank group and an aerobic tank group which are sequentially communicated with the regulating tank; the MBR membrane treatment system comprises a separation tank and a membrane tank which are sequentially communicated with the aerobic tank group, the membrane tank is communicated with a clarification tank, and the membrane tank and the clarification tank are communicated with a sedimentation tank together; the sedimentation tank is sequentially communicated with a clean water tank, a discharge tank, an advanced treatment tank and a reuse water tank; the electric control system comprises a plurality of sub-controllers, and each pool corresponds to one sub-controller. The utility model has the characteristics of technology is ripe, economy is reasonable, operation convenient operation, maintenance are simple and easy, and power consumption is few, and the energy saving reduces treatment cost and working costs.
Description
Technical Field
The utility model relates to a sewage treatment technical field particularly, relates to a chemical industry sewage treatment system of recycling.
Background
With the improvement of domestic environmental protection requirements, the development of the market of the water-based environment-friendly paint is very rapid, and the demand of the acrylic emulsion as the raw material of the water-based paint is greatly increased along with the development of the market.
In the production process of the acrylic resin, the wastewater sources mainly comprise equipment cleaning wastewater, filter cloth cleaning wastewater, laboratory wastewater, terrace cleaning wastewater and RTO flue spraying wastewater, and the main pollutants comprise CODcr, BOD5, SS and the like, and the acrylic resin belongs to high-concentration organic wastewater. If the waste water can not be effectively treated, the waste water causes the burden of downstream waste water treatment enterprises and the pollution of the surrounding environment.
In order to protect water sources and ecological environment and promote the sustainable development of the chemical industry and the coating industry, various waste water in a factory area is collected and effectively treated, and the method becomes a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model provides a chemical sewage treatment system of recycling to prior art's shortcoming, has solved the defect of above-mentioned technique.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a chemical industry sewage treatment system of recycling which corresponds with former pond, its characterized in that: comprises a regulating tank pretreatment system, an A/A/O biological treatment system, an MBR treatment system and an electrical control system; the pretreatment system comprises a grid pond, a primary sedimentation pond and an adjusting pond which are sequentially communicated with a raw water pond; the A/A/O biological treatment system comprises an anaerobic tank group and an aerobic tank group which are sequentially communicated with the regulating tank; the MBR membrane treatment system comprises a separation tank and a membrane tank which are sequentially communicated with the aerobic tank group, the membrane tank is communicated with a clarification tank, and the membrane tank and the clarification tank are communicated with a sedimentation tank together; the sedimentation tank is sequentially communicated with a clean water tank, a discharge tank, an advanced treatment tank and a reuse water tank; the electric control system comprises a plurality of sub-controllers, and each pool corresponds to one sub-controller; all the sub-controllers are connected with a main controller.
According to the optimized scheme, the system also comprises an aerator, wherein the aerator is communicated with the bottom of the primary sedimentation tank, the bottom of the aerobic tank and the bottom of the membrane tank through pipelines; the aerator is connected with a sub-controller.
According to the optimized scheme, the system further comprises a sludge concentration tank, and the sludge concentration tank is communicated with the primary sedimentation tank, the anaerobic tank group and the separation tank through pipelines.
According to the optimized scheme, a separation tank, a membrane tank, a clarification tank, a sedimentation tank, a clean water tank, a discharge tank, an advanced treatment tank and a reuse water tank in the system return sludge to an aerobic tank through pipelines.
According to the optimized scheme, a heat exchanger and a regulating reservoir lifting pump are arranged in the regulating reservoir, the heat exchanger is communicated with an external heat source, and the regulating reservoir refreshing pump is communicated with a pipeline and is communicated with the anaerobic tank.
According to the optimized scheme, the anaerobic pool group comprises five anaerobic pools which are sequentially communicated; the first anaerobic pool is internally provided with a pH automatic regulator, a submersible stirrer, an anaerobic sludge reflux pump and an ABR reactor, and the rest anaerobic pools are internally provided with submersible stirrers, anaerobic sludge reflux pumps and ABR reactors; all anaerobic sludge reflux pumps are communicated with pipelines and communicated with the sludge concentration tank.
According to the optimized scheme, biological fillers, a variable-hole aerator and a wastewater lifting pump are arranged in the aerobic tank; the variable-hole aerator is communicated with the aerator through a pipeline; the waste water lift pump is communicated with the pipeline and the separation tank.
According to the optimized scheme, an MBR (membrane bioreactor) membrane component, an MBR suction pump, a membrane component cleaning dosing pump and a sludge reflux pump are arranged in the separation tank and the membrane tank; the sludge reflux pump is communicated with the pipeline and is communicated with the aerobic tank.
In an optimized scheme, the branch controller and the master controller are both PLC.
Owing to adopted above-mentioned technique, compare with prior art, the beneficial effects of the utility model are that:
the utility model discloses compound sewage treatment's intake water volume, quality of water characteristics and the requirement of going out water quality of water standard have technical maturity, economical and reasonable, operation convenient operation, maintain simple and easy characteristics, and power consumption is few, the energy saving reduces treatment cost and working costs.
The utility model discloses rationally distributed to take measures to reduce the influence to scenic spot surrounding environment as far as possible, reasonable control noise, smell and solid waste prevent secondary pollution, accomplished simultaneously that the noise is low, and basically no peculiar smell does not influence the surrounding environment.
The utility model discloses a mechanical equipment operation reliable and stable, efficient, the management is convenient, and maintenance work volume is few, and the price is moderate, has good economic benefits.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic block diagram of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in fig. 1-2, a chemical sewage treatment and recycling system corresponds to a raw water tank, and comprises a conditioning tank pretreatment system, an a/O biological treatment system, an MBR treatment system and an electrical control system.
The pretreatment system comprises a grid pond, a primary sedimentation pond 2 and a regulating pond 3 which are sequentially communicated with a raw water pond 4. And a heat exchanger and a regulating reservoir lifting pump are arranged in the regulating reservoir 3, the heat exchanger is communicated with an external heat source, and the regulating reservoir refreshing pump is communicated with a pipeline and is communicated with the anaerobic tank.
The A/A/O biological treatment system comprises an anaerobic tank group and an aerobic tank group which are sequentially communicated with the regulating tank. The anaerobic pool group comprises five anaerobic pools 5 which are communicated in sequence. The first anaerobic pool is internally provided with a pH automatic regulator, a submersible stirrer, an anaerobic sludge reflux pump and an ABR reactor, and the rest anaerobic pools are internally provided with submersible stirrers, anaerobic sludge reflux pumps and ABR reactors; all anaerobic sludge reflux pumps are communicated with pipelines and communicated with the sludge concentration tank. A biological filler, a variable-hole aerator and a wastewater lift pump are arranged in the aerobic tank 12; the variable-hole aerator is communicated with the aerator through a pipeline. The waste water lift pump is communicated with the pipeline and the separation tank.
MBR membrane processing system includes and organizes separation tank 6 and membrane cisterna 7 that communicates in proper order with good oxygen, and membrane cisterna 7 intercommunication clarification tank 8, and membrane cisterna 7 and clarification tank 8 communicate sedimentation tank 9 jointly. The sedimentation tank 9 is sequentially communicated with a clean water tank 10, a discharge tank 11, an advanced treatment tank and a reuse water tank.
The electric control system comprises a plurality of sub-controllers, and each pool corresponds to one sub-controller; all the sub-controllers are connected with a main controller. The branch controller and the main controller are both PLC.
In addition to the basic system described above, the system also includes an aerator and a sludge thickener. The aerator is communicated with the bottom of the primary sedimentation tank, the bottom of the aerobic tank and the bottom of the membrane tank through pipelines; the aerator is connected with a sub-controller. The sludge concentration tank is communicated with the primary sedimentation tank, the anaerobic tank group and the separation tank through pipelines.
The separation tank, the membrane tank, the clarification tank, the sedimentation tank, the clean water tank, the discharge tank, the advanced treatment tank and the reuse water tank in the system return the sludge to the aerobic tank through pipelines.
And an MBR (membrane bioreactor) membrane component, an MBR suction pump, a membrane component cleaning dosing pump and a sludge reflux pump are arranged in the separation tank and the membrane tank. The sludge reflux pump is communicated with the pipeline and is communicated with the aerobic tank.
The treatment process of the waste water comprises the following steps:
after the waste water is treated by the grid tank at the front section, large particles and garbage are removed, and the waste water enters the regulating tank. The heat exchanger regulates the temperature in the regulating tank, so that the water temperature of the anaerobic tank is kept at about 35 ℃ all the time. And (3) allowing the wastewater to enter an anaerobic tank, and allowing the wastewater to stay in the anaerobic tank for 1 day to fully hydrolyze and acidify the wastewater. Adding biological filler and medicament into the anaerobic tank. The total retention time of the wastewater in the anaerobic tank at the front section is about 5 days. The COD of the wastewater after the strong anaerobic treatment is removed by about 80 percent, and the wastewater automatically flows into an aerobic tank by gravity for aerobic biochemical treatment. The retention time of the wastewater in the aerobic tank is about 4 days, and the dissolved oxygen is below 0.5mg/l by adopting an aeration stirring mode. And the water treated in the aerobic tank flows into the separation tank and the membrane tank, then flows into the settling tank through the clarification tank. In the process, the membrane in the MBR membrane module has high-efficiency separation effect. And returning part of sludge generated in the operation process of the system to the anaerobic tank for sludge digestion, and discharging the part of sludge into the original solid-liquid separation system when the excess sludge amount is excessive. The PLC used by automatic control can control the operation of mechanical equipment such as a water pump, an aerator and the like, and realize unmanned operation of the wastewater treatment equipment. The control system adopts a full-automatic control system, and an MBR membrane module is arranged and an online monitoring system is arranged to monitor the operation condition of the membrane treatment system.
The process of wastewater treatment is described in detail in the process, the treated water can be directly discharged and can be reused in processing production after being subjected to advanced treatment, a large amount of water resources are saved, and the economic benefit is obvious.
The water pump, the aerator, the pH automatic regulator, the ABR reactor, the biological filler, the medicament, the MBR membrane module and the like used in the patent are all products which can be bought in the market at present, so the specific structure and the working principle are not repeated.
The utility model discloses compound sewage treatment's intake water volume, quality of water characteristics and the requirement of going out water quality of water standard have technical maturity, economical and reasonable, operation convenient operation, maintain simple and easy characteristics, and power consumption is few, the energy saving reduces treatment cost and working costs.
The utility model discloses rationally distributed to take measures to reduce the influence to scenic spot surrounding environment as far as possible, reasonable control noise, smell and solid waste prevent secondary pollution, accomplished simultaneously that the noise is low, and basically no peculiar smell does not influence the surrounding environment.
The utility model discloses a mechanical equipment operation reliable and stable, efficient, the management is convenient, and maintenance work volume is few, and the price is moderate, has good economic benefits.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. The utility model provides a chemical industry sewage treatment system of recycling which corresponds with former pond, its characterized in that:
comprises a regulating tank pretreatment system, an A/A/O biological treatment system, an MBR membrane treatment system and an electrical control system;
the pretreatment system comprises a grid tank, a primary sedimentation tank and an adjusting tank which are sequentially communicated with the raw water tank;
the A/A/O biological treatment system comprises an anaerobic tank group and an aerobic tank group which are sequentially communicated with the regulating tank;
the MBR membrane treatment system comprises a separation tank and a membrane tank which are sequentially communicated with the aerobic tank group, the membrane tank is communicated with a clarification tank, and the membrane tank and the clarification tank are communicated with a sedimentation tank together; the sedimentation tank is sequentially communicated with a clean water tank, a discharge tank, an advanced treatment tank and a reuse water tank;
the electric control system comprises a plurality of sub-controllers, and each pool corresponds to one sub-controller; all the sub-controllers are connected with a main controller.
2. The chemical wastewater treatment and recycling system according to claim 1, wherein: the system also comprises an aerator which is communicated with the bottom of the primary sedimentation tank, the bottom of the aerobic tank and the bottom of the membrane tank through pipelines; the aerator is connected with a sub-controller.
3. The chemical wastewater treatment and recycling system according to claim 2, wherein: the system also comprises a sludge concentration tank which is communicated with the primary sedimentation tank, the anaerobic tank group and the separation tank through pipelines.
4. The chemical wastewater treatment and recycling system according to claim 2, wherein: the separation tank, the membrane tank, the clarification tank, the sedimentation tank, the clean water tank, the discharge tank, the advanced treatment tank and the reuse water tank in the system return the sludge to the aerobic tank through pipelines.
5. The chemical wastewater treatment and recycling system according to claim 4, wherein: a heat exchanger and a regulating reservoir lifting pump are arranged in the regulating reservoir, the heat exchanger is communicated with an external heat source, and the regulating reservoir refreshing pump is communicated with a pipeline and is communicated with the anaerobic tank.
6. The chemical wastewater treatment and recycling system according to claim 5, wherein: the anaerobic tank group comprises five anaerobic tanks which are sequentially communicated; the first anaerobic pool is internally provided with a pH automatic regulator, a submersible stirrer, an anaerobic sludge reflux pump and an ABR reactor, and the rest anaerobic pools are internally provided with submersible stirrers, anaerobic sludge reflux pumps and ABR reactors; all anaerobic sludge reflux pumps are communicated with pipelines and communicated with the sludge concentration tank.
7. The chemical wastewater treatment and recycling system of claim 6, wherein: the aerobic tank is internally provided with biological filler, a variable-hole aerator and a wastewater lift pump; the variable-hole aerator is communicated with the aerator through a pipeline; the waste water lift pump is communicated with the pipeline and the separation tank.
8. The chemical wastewater treatment and recycling system according to claim 7, wherein: an MBR (membrane bioreactor) membrane component, an MBR suction pump, a membrane component cleaning dosing pump and a sludge reflux pump are arranged in the separation tank and the membrane tank; the sludge reflux pump is communicated with the pipeline and is communicated with the aerobic tank.
9. The chemical wastewater treatment and recycling system of claim 8, wherein: the branch controller and the main controller are both PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023340233.6U CN218115216U (en) | 2020-12-31 | 2020-12-31 | Chemical wastewater treatment system of recycling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023340233.6U CN218115216U (en) | 2020-12-31 | 2020-12-31 | Chemical wastewater treatment system of recycling |
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| Publication Number | Publication Date |
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| CN218115216U true CN218115216U (en) | 2022-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023340233.6U Active CN218115216U (en) | 2020-12-31 | 2020-12-31 | Chemical wastewater treatment system of recycling |
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| CN (1) | CN218115216U (en) |
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- 2020-12-31 CN CN202023340233.6U patent/CN218115216U/en active Active
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