CN110697857A - Industrial wastewater treatment device for mercury pollution - Google Patents
Industrial wastewater treatment device for mercury pollution Download PDFInfo
- Publication number
- CN110697857A CN110697857A CN201911138838.6A CN201911138838A CN110697857A CN 110697857 A CN110697857 A CN 110697857A CN 201911138838 A CN201911138838 A CN 201911138838A CN 110697857 A CN110697857 A CN 110697857A
- Authority
- CN
- China
- Prior art keywords
- tank body
- carbon filter
- filter cylinder
- rotating shaft
- mercury pollution
- 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.)
- Pending
Links
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052753 mercury Inorganic materials 0.000 title claims abstract description 28
- 239000010842 industrial wastewater Substances 0.000 title claims abstract description 18
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000005086 pumping Methods 0.000 claims abstract description 10
- 239000002351 wastewater Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 239000010865 sewage Substances 0.000 abstract description 13
- 238000007599 discharging Methods 0.000 abstract description 7
- 238000001914 filtration Methods 0.000 abstract description 7
- 238000011001 backwashing Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000002156 mixing Methods 0.000 abstract description 2
- 239000013049 sediment Substances 0.000 abstract 1
- 238000005189 flocculation Methods 0.000 description 4
- 230000016615 flocculation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- QHPQWRBYOIRBIT-UHFFFAOYSA-N 4-tert-butylphenol Chemical compound CC(C)(C)C1=CC=C(O)C=C1 QHPQWRBYOIRBIT-UHFFFAOYSA-N 0.000 description 3
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 3
- 239000008394 flocculating agent Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000005708 Sodium hypochlorite Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- -1 polyoxyethylene Polymers 0.000 description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 2
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses an industrial wastewater treatment device for mercury pollution, and relates to the technical field of mercury pollution water treatment. The invention comprises a tank body, wherein a top end port of the tank body is connected with a top cover through a flange, the top cover is provided with a wastewater inlet and a material adding port, the inner wall of the tank body is provided with a supporting ring plate, the surface of the supporting ring plate is fixedly provided with an activated carbon filter cylinder, the top end of the top cover is fixedly provided with a speed reducing motor, the output end of the speed reducing motor is fixedly provided with a rotating shaft penetrating into the tank body, the surface of the rotating shaft is fixedly provided with a straight blade disc dispersing stirrer positioned inside the activated carbon filter cylinder, the surface of the tank body is fixedly provided with a pumping and discharging pipe penetrating to the inner bottom of the activated. The invention can adjust and treat the sewage and then carry out centrifugal filtration, can pump and discharge flocculated sediments at the same time, improves the mercury sewage treatment efficiency, also has the function of backwashing the filter cylinder, and has complete functions, high mixing efficiency, compact structure and small occupied area.
Description
Technical Field
The invention belongs to the technical field of mercury pollution water treatment, and particularly relates to a mercury pollution-related industrial wastewater treatment device.
Background
A large amount of industrial wastewater is generated in the industrial production process, the heavy metal pollution problem becomes more and more serious along with the rapid development of the chemical industry, and particularly, the treatment of mercury-containing wastewater is highly valued internationally. In recent years, the discharge standard of mercury-containing wastewater in the chemical industry is further improved, and the current mercury removal process cannot stably meet the discharge requirement (0.005 mg/L).
Chinese patent No. CN104150634B discloses a method for treating mercury-contaminated water, comprising the following steps: (1) adjusting the pH value of the mercury-containing sewage to 6-6.5, adding sodium fatty alcohol-polyoxyethylene ether sulfate and sodium hypochlorite into the mercury-containing sewage, wherein the addition amount of the sodium fatty alcohol-polyoxyethylene ether sulfate is 1-2 times of the mass concentration of mercury in the sewage, and the addition amount of the sodium hypochlorite is 3-5 times of the mass concentration of mercury in the sewage; (2) adjusting the pH value of the sewage to 8-9, and then adding poly-p-tert-butylphenol disulfide, ferrous sulfide and sodium bisulfate into the sewage, wherein the mass ratio of the poly-p-tert-butylphenol disulfide to the ferrous sulfide to the sodium bisulfate is 1-2:2-4: 5; the mass concentration of the poly-p-tert-butylphenol disulfide in the sewage is 1-5%; (3) adding a flocculating agent, calcium oxide and alkylphenol polyoxyethylene into the sewage, wherein the mass ratio of the flocculating agent to the calcium oxide to the alkylphenol polyoxyethylene is 1:3:2, and the adding mass of the flocculating agent is 0.1-0.3% of the sewage; (4) standing the sewage in a separation tank for 3-5 days, and then carrying out solid-liquid separation; (5) and (4) adsorbing the separated sewage by using an activated carbon adsorber and then discharging.
The standard reaching effect of treating the mercury polluted wastewater by the method is good, but the method of standing, precipitating and filtering causes lower wastewater treatment efficiency, needs a series of treatment facilities such as a regulating tank, a precipitating tank and a filter, has larger occupied area, and is difficult to adapt to the treatment efficiency requirement of a large amount of industrial wastewater, so that a high-efficiency mercury polluted industrial wastewater treatment device is needed to be provided.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide an apparatus for treating industrial wastewater with respect to mercury pollution.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an industrial wastewater treatment device related to mercury pollution, which comprises a tank body, wherein a top cover is connected to the top port of the tank body through a flange, the top cover is provided with a wastewater inlet and a material adding port, the inner wall of the tank body is provided with a supporting ring plate, an activated carbon filter cylinder is fixed on the surface of the supporting ring plate, a speed reduction motor is fixed at the top end of the top cover, a rotating shaft penetrating into the tank body is fixed at the output end of the speed reduction motor, a flat blade disc dispersing stirrer positioned inside the activated carbon filter cylinder is fixed on the surface of the rotating shaft, a pumping and discharging pipe extending to the inner bottom of the activated carbon filter cylinder penetrates through the surface of the tank body, a pumping and discharging pump is fixedly communicated with the outer end. Through the centrifugal dispersion power that straight leaf disc dispersion agitator rotated the production, beat flocculation thing and handling back liquid and carry out centrifugal filtration at the active carbon cartridge filter, improve separation efficiency, the mud accessible pump drainage pipe pump drainage of flocculation and precipitation goes.
Furthermore, a backwashing pipe penetrating between the outer side of the activated carbon filter cylinder and the tank body is fixed on the surface of the tank body, a cleaning pump is fixedly communicated with the outer end of the backwashing pipe, clean water can be periodically pumped in by the cleaning pump to perform backwashing on the activated carbon filter cylinder, and then pumping and discharging are performed through a drain pipe, so that the filtering performance of the activated carbon filter cylinder is maintained.
Further, a blade stirrer is fixed on the surface of the rotating shaft.
Further, the bottom end of the rotating shaft penetrates through the bottom of the activated carbon filter cylinder, and the rotating shaft and the activated carbon filter cylinder are in rotary sealing.
Furthermore, the bottom in the tank body is provided with a support which is in running fit with the bottom end of the rotating shaft.
Furthermore, the bottom of the tank body is fixedly provided with a supporting leg.
The invention has the following beneficial effects:
the industrial wastewater treatment device for mercury pollution can adjust and treat the wastewater, then carry out centrifugal filtration, pump out flocculated precipitates, improve the mercury wastewater treatment efficiency, have the function of backwashing the filter cylinder, and have the advantages of complete functions, high mixing efficiency, compact structure and small occupied area.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view showing the construction of an industrial wastewater treatment apparatus for mercury pollution according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-tank body, 2-top cover, 3-wastewater inlet, 4-material adding port, 5-supporting ring plate, 6-activated carbon filter cartridge, 7-speed reducing motor, 8-rotating shaft, 9-straight blade disc dispersing stirrer, 10-pumping pipe, 11-pumping pump, 12-water discharging pipe, 13-backwashing pipe, 14-cleaning pump, 15-blade stirrer, 16-support and 17-supporting leg.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention is an industrial wastewater treatment apparatus related to mercury pollution, including a tank 1, a top port of the tank 1 is connected to a top cap 2 through a flange, the top cap 2 is provided with a wastewater inlet 3 and a material adding port 4, an inner wall of the tank 1 is provided with a support ring plate 5, a surface of the support ring plate 5 is fixed with an activated carbon filter cartridge 6, a top end of the top cap 2 is fixed with a speed reduction motor 7, an output end of the speed reduction motor 7 is fixed with a rotating shaft 8 penetrating into the tank 1, a surface of the rotating shaft 8 is fixed with a flat straight blade disc dispersing stirrer 9 positioned inside the activated carbon filter cartridge 6, a surface of the tank 1 is fixed with a drainage pipe 10 extending to the inner bottom of the activated carbon filter cartridge 6, an outer end of the drainage pipe 10 is fixed with a drainage pump 11. Through the centrifugal dispersion power that straight leaf disc dispersion agitator 9 rotated the production, beat flocculation thing and the liquid after handling at active carbon cartridge filter 6 and carry out centrifugal filtration, improve separation efficiency, the mud accessible pump drainage pipe 10 pump drainage of flocculation and precipitation is gone out.
Wherein, the surface of the tank body 1 is fixed with a back-flushing pipe 13 which penetrates between the outer side of the active carbon filter cylinder 6 and the tank body 1, the outer end of the back-flushing pipe 13 is fixedly communicated with a cleaning pump 14, the active carbon filter cylinder 6 can be back-flushed by periodically pumping clean water through the cleaning pump 14, and then the filtration performance of the active carbon filter cylinder 6 is maintained by pumping and discharging through the drain pipe 12.
Wherein, the surface of the rotating shaft 8 is fixed with a blade stirrer 15, and the rotation of the blade stirrer 15 can ensure that the materials added for reaction are fully mixed and reacted with the wastewater, thereby accelerating the wastewater treatment.
Wherein, the bottom of the rotating shaft 8 penetrates to the bottom of the activated carbon filter cartridge 6, and the rotating shaft 8 and the activated carbon filter cartridge 6 are sealed in a rotating way through a shaft seal.
Wherein, the bottom in the tank body 1 is provided with a support 16 which is in running fit with the bottom end of the rotating shaft 8, so that the rotating shaft 8 can run stably.
Wherein, the bottom of the tank body 1 is fixedly provided with a supporting leg 17.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. An industrial wastewater treatment device about mercury pollution, which comprises a tank body (1), and is characterized in that: the top end opening of the tank body (1) is connected with a top cover (2) through a flange, the top cover (2) is provided with a waste water inlet (3) and a material adding opening (4), a supporting ring plate (5) is arranged on the inner wall of the tank body (1), an active carbon filter cartridge (6) is fixed on the surface of the supporting ring plate (5), a speed reducing motor (7) is fixed at the top end of the top cover (2), a rotating shaft (8) penetrating into the tank body (1) is fixed at the output end of the speed reducing motor (7), a flat blade disc dispersion stirrer (9) positioned inside the active carbon filter cylinder (6) is fixed on the surface of the rotating shaft (8), a drainage pipe (10) extending to the bottom in the active carbon filter cylinder (6) is fixedly penetrated on the surface of the tank body (1), the outer end of the pumping pipe (10) is fixedly communicated with a pumping pump (11), and the bottom end of the tank body (1) is provided with a drain pipe (12).
2. The industrial wastewater treatment device about mercury pollution as recited in claim 1, characterized in that a back-flushing pipe (13) penetrating between the outer side of the activated carbon filter cylinder (6) and the tank body (1) is fixed on the surface of the tank body (1), and a cleaning pump (14) is fixedly communicated with the outer end of the back-flushing pipe (13).
3. The industrial wastewater treatment device related to mercury pollution according to claim 1, characterized in that a paddle stirrer (15) is fixed on the surface of the rotating shaft (8).
4. The industrial wastewater treatment device about mercury pollution as claimed in claim 1, characterized in that the bottom end of the rotating shaft (8) penetrates through the bottom of the activated carbon filter cylinder (6), and the rotating shaft (8) is rotationally sealed with the activated carbon filter cylinder (6).
5. An industrial waste water treatment plant with regard to mercury pollution according to claim 1, characterized in that the tank (1) is provided with a support (16) at its inner bottom which is in running engagement with the bottom end of the shaft (8).
6. An industrial wastewater treatment device related to mercury pollution according to claim 1, characterized in that the bottom of the tank body (1) is fixedly provided with a supporting leg (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911138838.6A CN110697857A (en) | 2019-11-20 | 2019-11-20 | Industrial wastewater treatment device for mercury pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911138838.6A CN110697857A (en) | 2019-11-20 | 2019-11-20 | Industrial wastewater treatment device for mercury pollution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110697857A true CN110697857A (en) | 2020-01-17 |
Family
ID=69207479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911138838.6A Pending CN110697857A (en) | 2019-11-20 | 2019-11-20 | Industrial wastewater treatment device for mercury pollution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110697857A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111408178A (en) * | 2020-04-29 | 2020-07-14 | 白春英 | Clean water purification filtration equipment of greasy dirt |
| CN111439896A (en) * | 2020-05-07 | 2020-07-24 | 蚌埠市兄弟粮油食品科技有限公司 | Sewage treatment device and method thereof |
| CN111592138A (en) * | 2020-04-17 | 2020-08-28 | 湖南沃工环境科技有限公司 | Sewage treatment device |
| CN112191007A (en) * | 2020-09-28 | 2021-01-08 | 宁夏水投科技股份有限公司 | Automatic change water treatment back flush device |
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| CN205874080U (en) * | 2016-07-27 | 2017-01-11 | 广州普瑞维德环保科技有限公司 | Multi -stage filtration case for industrial wastewater treatment |
| CN108773923A (en) * | 2018-08-16 | 2018-11-09 | 奉节县东阳建材有限责任公司 | A kind of industrial wastewater filtration processing equipment |
| CN209554997U (en) * | 2018-12-19 | 2019-10-29 | 杭州博天环保科技有限公司 | A kind of papermaking wastewater treatment device |
-
2019
- 2019-11-20 CN CN201911138838.6A patent/CN110697857A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205874080U (en) * | 2016-07-27 | 2017-01-11 | 广州普瑞维德环保科技有限公司 | Multi -stage filtration case for industrial wastewater treatment |
| CN108773923A (en) * | 2018-08-16 | 2018-11-09 | 奉节县东阳建材有限责任公司 | A kind of industrial wastewater filtration processing equipment |
| CN209554997U (en) * | 2018-12-19 | 2019-10-29 | 杭州博天环保科技有限公司 | A kind of papermaking wastewater treatment device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111592138A (en) * | 2020-04-17 | 2020-08-28 | 湖南沃工环境科技有限公司 | Sewage treatment device |
| CN111408178A (en) * | 2020-04-29 | 2020-07-14 | 白春英 | Clean water purification filtration equipment of greasy dirt |
| CN111439896A (en) * | 2020-05-07 | 2020-07-24 | 蚌埠市兄弟粮油食品科技有限公司 | Sewage treatment device and method thereof |
| CN111439896B (en) * | 2020-05-07 | 2022-04-15 | 蚌埠市兄弟粮油食品科技有限公司 | Sewage treatment device and method thereof |
| CN112191007A (en) * | 2020-09-28 | 2021-01-08 | 宁夏水投科技股份有限公司 | Automatic change water treatment back flush device |
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Application publication date: 20200117 |