CN107459193A - It is a kind of to extract condensate water device from industrial wastewater - Google Patents
It is a kind of to extract condensate water device from industrial wastewater Download PDFInfo
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- CN107459193A CN107459193A CN201710688760.XA CN201710688760A CN107459193A CN 107459193 A CN107459193 A CN 107459193A CN 201710688760 A CN201710688760 A CN 201710688760A CN 107459193 A CN107459193 A CN 107459193A
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- tank
- water
- ammonia nitrogen
- condensate water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0079—Manufacture of membranes comprising organic and inorganic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/021—Carbon
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
-
- 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
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses one kind condensate water device is extracted from industrial wastewater, including coarse filtration tank, except ammonia nitrogen tank, condensate water pot, the coarse filtration tank is tentatively filtered, it is described except ammonia nitrogen tank carries out removing ammonia nitrogen, the further deep impurity-removing of condensate water pot, the problem of present invention solves existing equipment technical pattern complexity, and cost is high, and reliability is low.
Description
Technical field
The present invention relates to industrial waste water disposal device field, and in particular to a kind of to extract condensate water device from industrial wastewater.
Background technology
Industrial Wastewater Treatment is that it is entered for the water quality requirement for making industrial wastewater reach a certain water body of draining or reuse
The process of row purification.Industrial Wastewater Treatment is widely used in building, the every field such as agricultural, traffic, the energy, petrochemical industry, environmental protection.
Industrial diversity makes caused draining pollution property also numerous and complicated, such as organic contamination, inorganic pollution, thermal pollution, color
Degree pollution etc..Therefore, the processing of industrial wastewater can not just apply mechanically others' technique and equipment from simple several standards, except upper
State outside index, the factor for influenceing to handle is also a lot, such as temperature, ammonia-nitrogen content, pH, salt content, noxious material (organophosphor)
Content, surfactant (foaming substance) and dye content etc..Industrial wastewater is the pith of sewage disposal, existing work
Complicated, the cost height of industry Waste Water Treatment, reliability are low.
The content of the invention
The present invention provides one kind and extracts condensate water device from industrial wastewater, and solution existing equipment technical pattern is complicated, cost
Height, the problem of reliability is low.
To achieve the above object, the present invention provides following technical scheme：It is a kind of to extract condensate water device, bag from industrial wastewater
Include wastewater inlet pipe, feed water flow gauge, water intaking valve, coarse filtration tank, except ammonia nitrogen tank, condensate water pot, the wastewater inlet pipe, feed water flow
Gauge, water intaking valve are connected with coarse filtration tank top, coarse filtration tank by valve with except ammonia nitrogen tank is connected,
The top that condensate water pot is arranged on except ammonia nitrogen tank, it is described except ammonia nitrogen tank includes into ammonia nitrogen water water pipe, filler, enters vapour
Pipe, gland steam exhauster, it is described enter ammonia nitrogen waterpipe connected by valve with coarse filtration tank, enter ammonia nitrogen waterpipe and lead to except in ammonia nitrogen tank
Portion, it is described enter ammonia nitrogen waterpipe be provided with some rotation film jet pipes, the steam inlet pipe is located at tank base and leads to tank interior, institute
Gland steam exhauster to be stated to be located at the top of tank body, the gland steam exhauster is connected with a nitrogen water separating barrel,
The condensate water pot includes ultra-filtration membrane device and condensed water outlet conduit, and the ultra-filtration membrane device is located at condensate water pot tank body
Interior, the milipore filter is charcoal absorption film, and the condensate water pot is jacket type tank body, and the condensate water pot chuck is built with following
Ring cool brine.
Be provided with as a kind of optimal technical scheme of the application, in the coarse filtration tank filter footpath be 0.01-0.1mm coarse filtration film and
Filter the refined filtration film that footpath is 0.5-5nm.
As a kind of optimal technical scheme of the application, the coarse filtration pot bottom connects dosing tank.
It is inorganic medicament in the dosing tank as a kind of optimal technical scheme of the application, the inorganic medicament uses
Aluminium polychloride, PAFC, aluminum sulfate, ferric trichloride, ferrous sulfate or calcium carbonate.
As a kind of optimal technical scheme of the application, the coarse filtration pot bottom is provided with backwashing pump and sewage draining exit.
As a kind of optimal technical scheme of the application, the coarse filtration tank and except between ammonia nitrogen tank be provided with PH regulation tank, PH
Adjust the pH values that inorganic salts regulation ammonia nitrogen water is added in tank so that the pH values of ammonia nitrogen water are in alkalescence.
As a kind of optimal technical scheme of the application, the raw materials by weight portion of the charcoal absorption film is with such as
Under：100 parts of wood activated charcoal, chlorine dioxide 5-15 parts, aluminium chloride 1-10 parts, ferric sulfate 10-2 parts, polyacrylamide 0.1-0.5
Part, sulfuric acid 5-10 parts, hydrochloric acid 1-5 parts, Patent alum 40-50 parts, expanded graphite 20-40 parts, titanium sulfate 10-20 parts,
Sodium hydroxide 5-15 parts.
As a kind of optimal technical scheme of the application, it is described enter ammonia nitrogen water water pipe above be provided with the right side of tank body it is multiple
Pressure gauge connection.
The beneficial effects of the invention are as follows：
1. the present invention carries out sedimentation step by step to the solid particle polluter in industrial wastewater and filtered step by step, the water finally given does not have
Particle diameter more than 10nm greasy dirt suspension, so as to which the water process difficulty of follow-up water process cleaning equipment and water process be greatly reduced
Workload, the maintenance time of follow-up water process cleaning equipment is extended, improves follow-up water water process cleaning equipment service life,
Its use cost is reduced, improves Industrial Wastewater Treatment efficiency, effectively reduces the environmental pollution of industrial wastewater.
2. the present invention is 90-98% to the clearance of ammonia nitrogen, cost is cheap, and clearance is high, recoverable ammonia, by place
Ammonia mass fraction is can be recycled to after ammonia nitrogen up to more than 30% ammoniacal liquor.
3. industrial wastewater treatment system of the present invention increases advanced treating step, charcoal absorption film high-efficient purification is used
Method, it can adsorb and remove harmful organic pollution and heavy metal ion so that the water of discharge is safety, to human body and environment
Harmless Natural Water.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the implementation with invention
Example is used to explain the present invention together, is not construed as limiting the invention.
In the accompanying drawings：Fig. 1 is the structural representation of industrial wastewater extraction condensate water device of the present invention.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein preferred real
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
It is a kind of to extract condensate water device from industrial wastewater refering to Fig. 1, including wastewater inlet pipe 101, feed water flow gauge 102,
Water intaking valve 103, coarse filtration tank 1, except ammonia nitrogen tank 2, condensate water pot 3, the wastewater inlet pipe 101, feed water flow gauge 102, water intaking valve
103 are connected with the top of coarse filtration tank 1, and provided with filtering, footpath is 0.01-0.1mm coarse filtration film 104 and filter footpath is 0.5- in the coarse filtration tank 1
5nm refined filtration film 105, the bottom of coarse filtration tank 1 connect dosing tank 106, are inorganic medicament in the dosing tank 106, the nothing
Machine medicament uses aluminium polychloride, PAFC, aluminum sulfate, ferric trichloride, ferrous sulfate or calcium carbonate, the coarse filtration tank
1 bottom is provided with backwashing pump 107 and sewage draining exit 108, coarse filtration tank 1 by valve with except ammonia nitrogen tank 2 is connected, the He of coarse filtration tank 1
Except PH regulation tanks 4 are provided between ammonia nitrogen tank 2, the pH values of inorganic salts regulation ammonia nitrogen water are added in PH regulation tanks 4 so that ammonia nitrogen water
PH values in alkalescence.
It is described except ammonia nitrogen tank 2 be arranged on condensate water pot 3 top, it is described except ammonia nitrogen tank 2 include into ammonia nitrogen water water pipe 201,
Filler 202, steam inlet pipe 203, gland steam exhauster 204, it is described enter ammonia nitrogen water pipe 201 connected by valve with coarse filtration tank 1, enter ammonia nitrogen water pipe
201 lead to except the tank interior of ammonia nitrogen tank 2, it is described enter ammonia nitrogen water pipe 201 be provided with some rotation film jet pipes 205, the steam inlet pipe 203
Positioned at tank base and tank interior is led to, the gland steam exhauster 204 is located at the top of tank body, the ammoniacal liquor of gland steam exhauster 204 and one point
Connected from bucket 206, it is described enter the top tank body of ammonia nitrogen water water pipe 201 on the right side of multiple pressure gauge connections are installed.
The condensate water pot 3 includes ultra-filtration membrane device 301 and condensed water outlet conduit 302, and the ultra-filtration membrane device 301 is set
In condensate water pot tank body, the milipore filter is charcoal absorption film, and the raw materials by weight portion of the charcoal absorption film is matched somebody with somebody
Than as follows：100 parts of wood activated charcoal, chlorine dioxide 5-15 parts, aluminium chloride 1-10 parts, ferric sulfate 10-2 parts, polyacrylamide
0.1-0.5 parts, sulfuric acid 5-10 parts, hydrochloric acid 1-5 parts, Patent alum 40-50 parts, expanded graphite 20-40 parts, titanium sulfate
10-20 parts, sodium hydroxide 5-15 parts, the condensate water pot are jacket type tank body, and the condensate water pot chuck is cold built with circulating
Salt solution.
The present invention technological process be：
1st, the industrial wastewater come out from factory enters coarse filtration tank 1 by wastewater inlet pipe, by coarse filtration film 104 and refined filtration film 105
Filtering, solid bulky grain and greasy dirt particle in industrial wastewater are filtered to obtain the waste water that particle diameter is no more than 10nm, passed through
The administration of dosing tank 106 causes waste water to be sufficiently mixed with medicine, and the organic matter in water is removed to obtain ammonia nitrogen water, is then adjusted in PH
Save the pH values that inorganic salts regulation water is added in tank 4 so that the pH values of water are in alkalescence.
2nd, the ammonia nitrogen water come out from PH regulation tanks 4 is flowed through rotation film jet pipe 205 and gone out with the jet of high speed, then pastes inside pipe wall
Formed turbulent flow rotary water film, rotation and under, finally exported by centrifugal action in rotating-film tube lower end and form water membrane skirt, with steam inlet pipe
203 steam out is fully contacted, and carries out ammonia nitrogen, and energy is become water droplet after disappearing, declined with freely falling body, ammonia and steam
Enter ammoniacal liquor separating barrel 206 together.
3rd, except ammonia nitrogen water converges at condensate water pot 3, carry out UF membrane by the ultrafiltration apparatus 301 of the film containing charcoal absorption and go out
Remaining magazine and clear water, clear water is after the circulation cool brine cooling in chuck, condensed water discharge.
Finally it should be noted that：The preferred embodiment of the present invention is the foregoing is only, is not intended to limit the invention, to the greatest extent
The present invention is described in detail with reference to the foregoing embodiments for pipe, and for those skilled in the art, it still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc., it should be included in the guarantor of the present invention
Within the scope of shield.
Claims (8)
1. a kind of extract condensate water device from industrial wastewater, it is characterised in that including wastewater inlet pipe（101）, feed water flow gauge
（102）, water intaking valve（103）, coarse filtration tank（1）, except ammonia nitrogen tank（2）, condensate water pot（3）, the wastewater inlet pipe（101）, water inlet
Flowmeter（102）, water intaking valve（103）With coarse filtration tank（1）Top is connected, coarse filtration tank（1）By valve and except ammonia nitrogen tank（2）Phase
Even,
It is described to remove ammonia nitrogen tank（2）Installed in condensate water pot（3）Top, it is described to remove ammonia nitrogen tank（2）Including entering ammonia nitrogen water water pipe
（201）, filler（202）, steam inlet pipe（203）, gland steam exhauster（204）, it is described enter ammonia nitrogen water pipe（201）Pass through valve and coarse filtration tank
（1）Connection, enters ammonia nitrogen water pipe（201）Lead to and remove ammonia nitrogen tank（2）Tank interior, it is described enter ammonia nitrogen water pipe（201）It is provided with some
Revolve film jet pipe（205）, the steam inlet pipe（203）Positioned at tank base and tank interior is led to, the gland steam exhauster（204）Positioned at tank
At the top of body, the gland steam exhauster（204）With an ammoniacal liquor separating barrel（206）Connection,
The condensate water pot（3）Including ultra-filtration membrane device（301）With condensed water outlet conduit（302）, the ultra-filtration membrane device
（301）It is located in condensate water pot tank body, the milipore filter is charcoal absorption film, and the condensate water pot is jacket type tank body, institute
Condensate water pot chuck is stated built with circulation cool brine.
2. industrial wastewater according to claim 1 extracts condensate water device, it is characterised in that the coarse filtration tank（1）Inside set
It is 0.01-0.1mm coarse filtration films to have filter footpath（104）The refined filtration film for being 0.5-5nm with filter footpath（105）.
3. industrial wastewater according to claim 1 extracts condensate water device, it is characterised in that the coarse filtration tank（1）Bottom
Connect dosing tank（106）.
4. industrial wastewater according to claim 3 extracts condensate water device, it is characterised in that the dosing tank（106）It is interior
For inorganic medicament, the inorganic medicament using aluminium polychloride, PAFC, aluminum sulfate, ferric trichloride, ferrous sulfate or
Calcium carbonate.
5. industrial wastewater according to claim 1 extracts condensate water device, it is characterised in that the coarse filtration tank（1）Bottom
Provided with backwashing pump（107）And sewage draining exit（108）.
6. industrial wastewater according to claim 1 extracts condensate water device, it is characterised in that the coarse filtration tank（1）With except
Ammonia nitrogen tank（2）Between be provided with PH regulation tank（4）, PH regulation tanks（4）The interior pH values for adding inorganic salts regulation ammonia nitrogen water so that ammonia
The pH values of nitrogen water are in alkalescence.
7. industrial wastewater according to claim 1 extracts condensate water device, it is characterised in that the charcoal absorption film
Raw materials by weight portion proportioning is as follows：100 parts of wood activated charcoal, chlorine dioxide 5-15 parts, aluminium chloride 1-10 parts, ferric sulfate 10-2
Part, polyacrylamide 0.1-0.5 parts, sulfuric acid 5-10 parts, hydrochloric acid 1-5 parts, Patent alum 40-50 parts, expanded graphite 20-
40 parts, titanium sulfate 10-20 parts, sodium hydroxide 5-15 parts.
8. industrial wastewater according to claim 1 extracts condensate water device, it is characterised in that it is described enter ammonia nitrogen water water pipe
（201）Multiple pressure gauge connections are installed on the right side of the tank body of top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710688760.XA CN107459193A (en) | 2017-08-13 | 2017-08-13 | It is a kind of to extract condensate water device from industrial wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710688760.XA CN107459193A (en) | 2017-08-13 | 2017-08-13 | It is a kind of to extract condensate water device from industrial wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107459193A true CN107459193A (en) | 2017-12-12 |
Family
ID=60549067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710688760.XA Pending CN107459193A (en) | 2017-08-13 | 2017-08-13 | It is a kind of to extract condensate water device from industrial wastewater |
Country Status (1)
| Country | Link |
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| CN (1) | CN107459193A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203486996U (en) * | 2013-10-11 | 2014-03-19 | 四川天华股份有限公司 | Wastewater treatment system for urea synthesis process |
| KR101455025B1 (en) * | 2014-02-14 | 2014-10-27 | 주식회사 한화건설 | a water treatment system effective for treating both high turbity and high algal raw water |
| CN204111504U (en) * | 2014-09-29 | 2015-01-21 | 任东辉 | A kind of high-efficiency industrial wastewater treatment facility |
| CN106219849A (en) * | 2016-07-31 | 2016-12-14 | 无锡龙盈环保科技有限公司 | Industrial waste water disposal device |
-
2017
- 2017-08-13 CN CN201710688760.XA patent/CN107459193A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203486996U (en) * | 2013-10-11 | 2014-03-19 | 四川天华股份有限公司 | Wastewater treatment system for urea synthesis process |
| KR101455025B1 (en) * | 2014-02-14 | 2014-10-27 | 주식회사 한화건설 | a water treatment system effective for treating both high turbity and high algal raw water |
| CN204111504U (en) * | 2014-09-29 | 2015-01-21 | 任东辉 | A kind of high-efficiency industrial wastewater treatment facility |
| CN106219849A (en) * | 2016-07-31 | 2016-12-14 | 无锡龙盈环保科技有限公司 | Industrial waste water disposal device |
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Application publication date: 20171212 |