CN213652071U - Tubular microfiltration membrane treatment system for copper-containing wastewater - Google Patents
Tubular microfiltration membrane treatment system for copper-containing wastewater Download PDFInfo
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- CN213652071U CN213652071U CN202020742087.0U CN202020742087U CN213652071U CN 213652071 U CN213652071 U CN 213652071U CN 202020742087 U CN202020742087 U CN 202020742087U CN 213652071 U CN213652071 U CN 213652071U
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Abstract
The utility model discloses a tubular microfiltration membrane treatment system for copper-containing wastewater, which comprises a wastewater adjusting tank, the wastewater adjusting tank is sequentially connected with a reaction tank 1 and a reaction tank 2 through a pipeline, the reaction tank 1 is connected with a NaOH medicament tank, the reaction tank 2 is respectively connected with the NaOH medicament tank and a PAC medicament tank, the concentration tank is connected with the reaction tank 2 and then receives the wastewater after passing through the reaction tank 2, the concentration tank is connected with a water inlet of a tubular microfiltration membrane device, a concentrated water outlet of the tubular microfiltration membrane device is connected with a water inlet of the concentration tank, a purified water outlet of the tubular microfiltration membrane device is connected with a water production tank, a sludge discharge port of the concentration tank is connected with the sludge concentration tank, a sludge discharge port of the sludge concentration tank is connected with a plate-and frame filter press, a filtrate outlet of the plate-and frame filter press is connected with the wastewater adjusting tank, a liquid outflow port of the sludge concentration tank is connected back to the, the water quality of the inlet water of the rear-end process is guaranteed.
Description
Technical Field
The utility model belongs to the sewage treatment field especially relates to a tubular microfiltration membrane processing system of copper-containing waste water.
Background
The heavy metal wastewater has a wide range of fields, including industries such as electronics, electroplating, hardware, smelting, steel, chemical engineering and the like. At present, with the rapid development of scientific technology and the improvement of economic culture level in China, the electronic industry is rapidly developed in China, various electronic enterprises take roots and germinate in China in a break-away manner, the economic development of relevant areas is driven, and great contribution is made to the economic development of China.
The heavy metals in the waste water generated in the electronic industry are various and exist in the waste water in an inorganic state and a complex state. The conventional treatment method has the defects of poor effluent quality, low reuse rate and the like. With the continuous development and innovation of membrane technology, the tubular microfiltration membrane is applied to the copper-containing wastewater in the electronic industry of heavy metal wastewater, so that a good treatment effect is obtained, and the influence on a rear-end recycling system is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tubular microfiltration membrane processing system of electron trade copper-containing waste water has realized that copper-containing waste water exists with inorganic ion attitude form, reachs its best reaction through adjusting pH and deposits the condition, lets it form the metal precipitation granule, carries out thorough solid-liquid separation through tubular microfiltration membrane, builds the influence of few to rear end recycling system.
In order to achieve the purpose, the following technical scheme is adopted: comprises the following steps: the device comprises a wastewater adjusting tank, a reaction tank 1, a reaction tank 2, a concentration tank, a tubular microfiltration membrane device, a water production tank, a sludge concentration tank and a plate-and-frame filter press.
A tubular microfiltration membrane treatment system for copper-containing wastewater comprises a wastewater regulating reservoir, a reaction tank 1, a reaction tank 2, a concentration tank, a tubular microfiltration membrane device, a product water tank, a sludge concentration tank and a plate-and-frame filter press, wherein the wastewater regulating reservoir is sequentially connected with the reaction tank 1 and the reaction tank 2 through pipelines, the reaction tank 1 is connected with a NaOH medicament tank, the reaction tank 2 is respectively connected with the NaOH medicament tank and a PAC medicament tank, the concentration tank is connected with the reaction tank 2 and then receives the wastewater passing through the reaction tank 2, a water inlet of the tubular microfiltration membrane device is connected and arranged behind the concentration tank, a concentrated water outlet of the tubular microfiltration membrane device is connected with a water inlet of the concentration tank, and a purified water outlet of the tubular microfiltration membrane device is connected with the product water tank;
the sludge discharge port of the concentration tank is connected with the sludge concentration tank, the sludge discharge port of the sludge concentration tank is connected with the plate-and-frame filter press, the filtrate outlet of the plate-and-frame filter press is connected with the wastewater adjusting tank, and the liquid outflow port of the sludge concentration tank is connected back to the wastewater adjusting tank.
Preferably, the reaction tank 1 and the reaction tank 2 are communicated at the bottom.
Preferably, the wastewater adjusting tank is of a closed structure, a perforated aeration pipe and a liquid level meter are arranged in the wastewater adjusting tank, and wastewater is pumped to the reaction tank 1 and the reaction tank 2 through a main pipeline by using a lift pump.
Preferably, the reaction tank 1 and the reaction tank 2 are respectively internally provided with a pH controller, and the reaction tank 1 and the reaction tank 2 are internally provided with a stirrer.
Preferably, activated carbon is arranged in the concentration tank.
Preferably, the tubular microfiltration membrane device comprises a circulating pump, a microfiltration membrane, a membrane frame and a cleaning device.
The utility model has the advantages that:
after PH adjustment and coagulation reaction are carried out on copper-containing wastewater in the electronic industry, most heavy metal copper ions, non-soluble organic matters and suspended particles form precipitates, the heavy metal precipitates and the organic matters are effectively intercepted by utilizing the efficient solid-liquid separation performance of a tubular microfiltration membrane device, the water quality of inlet water in a rear-end procedure is guaranteed, and meanwhile, the discharged heavy metal sludge is further dewatered, so that the purpose of environmental protection is realized.
Drawings
Fig. 1 is a flow chart of a system architecture of the present patent application.
Detailed Description
The technical scheme of the utility model is further described with the attached drawings:
a tubular microfiltration membrane treatment system for copper-containing wastewater comprises a wastewater regulating reservoir, a reaction tank 1, a reaction tank 2, a concentration tank, a tubular microfiltration membrane device, a product water tank, a sludge concentration tank and a plate-and-frame filter press, wherein the wastewater regulating reservoir is sequentially connected with the reaction tank 1 and the reaction tank 2 through pipelines, the reaction tank 1 is connected with a NaOH medicament tank, the reaction tank 2 is respectively connected with the NaOH medicament tank and a PAC medicament tank, the concentration tank is connected with the reaction tank 2 and then receives the wastewater passing through the reaction tank 2, a water inlet of the tubular microfiltration membrane device is connected and arranged behind the concentration tank, a concentrated water outlet of the tubular microfiltration membrane device is connected with a water inlet of the concentration tank, and a purified water outlet of the tubular microfiltration membrane device is connected with the product water tank;
the sludge discharge port of the concentration tank is connected with the sludge concentration tank, the sludge discharge port of the sludge concentration tank is connected with the plate-and-frame filter press, the filtrate outlet of the plate-and-frame filter press is connected with the wastewater adjusting tank, and the liquid outflow port of the sludge concentration tank is connected back to the wastewater adjusting tank.
The wastewater adjusting tank is connected with the reaction tank 1 and the reaction tank 2 through pipelines, the bottoms of the reaction tank 1 and the reaction tank 2 are communicated, and the wastewater adjusting tank is respectively connected with NaOH and PAC medicament tanks through pipelines; the concentration tank is mainly used for receiving the wastewater after passing through the reaction tank 2 and simultaneously receiving concentrated water continuously reflowing from a microfiltration membrane system in the tubular microfiltration membrane device. The tubular microfiltration membrane device is connected into a microfiltration membrane system in the tubular microfiltration membrane device through a circulating pump by a main pipeline for filtration treatment, and treated clean water enters a water production tank. The sludge concentration tank is used for receiving the sludge conditioned in the concentration tank, pumping the sludge into a plate-and-frame filter press for dehydration treatment at regular intervals through a screw pump, finally discharging the filtrate into a wastewater adjusting tank, and discharging the dried sludge for treatment.
In this embodiment, the reaction chambers 1 and 2 are preferably communicated with each other at the bottom.
In this embodiment, preferably, the wastewater adjusting tank is a closed structure, a perforated aeration pipe and a liquid level meter are arranged inside the wastewater adjusting tank, and wastewater is pumped to the reaction tank 1 and the reaction tank 2 through a main pipeline by using a lift pump.
In this embodiment, preferably, the reaction tank 1 and the reaction tank 2 are respectively provided with a pH controller therein, and the reaction tank 1 and the reaction tank 2 are provided with a stirrer therein.
The pH controller respectively carries out main regulation and accurate fine setting of pH to 2 reaction tank insides all are provided with the agitator, improve physics and chemical reaction efficiency. PAC medicament is added into the reaction tank 2 for flocculation and precipitation chemical reaction.
In this embodiment, preferably, activated carbon is provided in the concentration tank.
Activated carbon is added into the concentration tank to adsorb partial organic matters to reduce COD (chemical oxygen demand), bubbles generated by wastewater backflow impact can be adsorbed, and carbon particles can scrub dirt and sludge on the inner surface of the membrane when the tubular microfiltration membrane system runs, so that the purpose of cleaning the membrane is achieved.
In this embodiment, preferably, the tubular microfiltration membrane device includes a circulation pump, a microfiltration membrane, a membrane frame, and a cleaning device.
The wastewater in the concentration tank is lifted to the tubular microfiltration membrane device by a pump. The tubular microfiltration membrane device is driven by pressure and speed to completely separate mud and water in the tubular microfiltration membrane system, and the water producing side enters a neutralization tank at the rear end. And delivering the filtered effluent to a water producing tank. The residual concentrated solution flows back into the concentration tank. Thereby continuously cycling.
When the sludge in the sludge concentration tank reaches a proper sludge concentration, the sludge is pumped into a plate-and-frame filter press through a screw pump for dehydration, and after dehydration, the water content of the sludge can be reduced to 70-80%, and the volume of the sludge is 1/10-1/4 of the original volume, so that subsequent sludge transportation and treatment are facilitated.
The sludge concentration tank and the plate-and-frame filter press act together to realize the dehydration and drying process of the heavy metal sludge. And (2) carrying out dehydration and drying treatment on heavy metal sludge in the copper-containing wastewater, enabling the sludge to flow through a filter plate, accumulating mud cakes in a filter frame, discharging filter liquor from a filtrate outlet, discharging the filtrate to a wastewater regulating tank through a pipeline for circular treatment, and transporting the heavy metal sludge outside.
Finally, it should be noted that:
the skilled person can, with reference to the present disclosure, carry out the method and carry out its application, it being expressly noted that all similar substitutes and modifications apparent to the skilled person are deemed to be included within the present invention. The method and application of the present invention have been described in terms of preferred embodiments, and it will be apparent to those skilled in the art that the techniques of the present invention may be practiced and used without departing from the spirit and scope of the present invention by modifying or otherwise appropriately changing or combining the various methods and applications of the present invention.
The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention, and the appended claims are intended to cover such modifications and equivalents as fall within the spirit and scope of the invention.
Claims (6)
1. The tubular microfiltration membrane treatment system for copper-containing wastewater is characterized in that: the device comprises a wastewater adjusting tank, a reaction tank 1, a reaction tank 2, a concentration tank, a tubular microfiltration membrane device, a product water tank, a sludge concentration tank and a plate-and-frame filter press, wherein the wastewater adjusting tank is sequentially connected with the reaction tank 1 and the reaction tank 2 through pipelines, the reaction tank 1 is connected with a NaOH agent tank, the reaction tank 2 is respectively connected with the NaOH agent tank and a PAC agent tank, the concentration tank is connected with the reaction tank 2 and then receives wastewater passing through the reaction tank 2, the rear part of the concentration tank is connected with a water inlet of the tubular microfiltration membrane device, a concentrated water outlet of the tubular microfiltration membrane device is connected with a water inlet of the concentration tank, and a purified water outlet of the tubular microfiltration membrane device is connected with the product water tank;
the sludge discharge port of the concentration tank is connected with the sludge concentration tank, the sludge discharge port of the sludge concentration tank is connected with the plate-and-frame filter press, the filtrate outlet of the plate-and-frame filter press is connected with the wastewater adjusting tank, and the liquid outflow port of the sludge concentration tank is connected back to the wastewater adjusting tank.
2. The tubular microfiltration membrane treatment system of claim 1, wherein: the bottom parts of the reaction tank 1 and the reaction tank 2 are communicated.
3. The tubular microfiltration membrane treatment system of claim 1, wherein: the waste water equalizing basin is of a closed structure, a perforated aeration pipe and a liquid level meter are arranged in the waste water equalizing basin, and waste water is pumped to the reaction tank 1 and the reaction tank 2 through a main pipeline by utilizing a lifting pump.
4. The tubular microfiltration membrane treatment system of claim 1, wherein: the reaction tank 1 and the reaction tank 2 are respectively internally provided with a pH controller, and the reaction tank 1 and the reaction tank 2 are internally provided with a stirrer.
5. The tubular microfiltration membrane treatment system of claim 1, wherein: and active carbon is arranged in the concentration tank.
6. The tubular microfiltration membrane treatment system of claim 1, wherein: the tubular microfiltration membrane device comprises a circulating pump, a microfiltration membrane, a membrane frame and a cleaning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020742087.0U CN213652071U (en) | 2020-05-08 | 2020-05-08 | Tubular microfiltration membrane treatment system for copper-containing wastewater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020742087.0U CN213652071U (en) | 2020-05-08 | 2020-05-08 | Tubular microfiltration membrane treatment system for copper-containing wastewater |
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| CN213652071U true CN213652071U (en) | 2021-07-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113620454A (en) * | 2020-05-08 | 2021-11-09 | 无锡蓝湾资源再生科技有限公司 | Tubular microfiltration membrane treatment system for copper-containing wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113620454A (en) * | 2020-05-08 | 2021-11-09 | 无锡蓝湾资源再生科技有限公司 | Tubular microfiltration membrane treatment system for copper-containing wastewater |
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