CN108793592B - Industrial sewage treatment system - Google Patents

Industrial sewage treatment system Download PDF

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Publication number
CN108793592B
CN108793592B CN201810581305.4A CN201810581305A CN108793592B CN 108793592 B CN108793592 B CN 108793592B CN 201810581305 A CN201810581305 A CN 201810581305A CN 108793592 B CN108793592 B CN 108793592B
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tank
primary
treatment tank
water inlet
pool
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CN108793592A (en
Inventor
陈伟
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Sichuan Chunyang Runsen Energy Conservation and Environmental Protection Co., Ltd.
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Sichuan Chunyang Runsen Energy Conservation And Environmental Protection Co ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/50Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/04Flow arrangements
    • C02F2301/046Recirculation with an external loop
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used

Abstract

The invention discloses an industrial sewage treatment system which has good purification effect and can realize acid-base decontamination on industrial wastewater; the industrial sewage treatment system comprises a first grating tank, a second grating tank, a regulating tank, an oxidation tank, a primary sedimentation tank, a primary acid treatment tank, a primary alkaline treatment tank, a secondary acid treatment tank, a secondary alkaline treatment tank, a neutralization treatment tank, a secondary sedimentation tank, a disinfection tank, a discharge tank, a sludge consumption concentration tank and a sludge dewatering system; by adopting the industrial sewage treatment system, the purification cost can be reduced while the purification effect on the industrial wastewater is improved.

Description

Industrial sewage treatment system
Technical Field
The invention relates to the field of sewage treatment, in particular to an industrial sewage treatment system.
Background
It is well known that: along with the industrial progress of China and the increasingly improved quality of life of people in recent years, the environmental protection awareness is stronger and stronger; the contradiction between the industrial wastewater pollution and the environmental protection is more and more prominent; therefore, the industrial water can be discharged only after being purified to reach the discharge index, thereby solving the contradiction between environmental protection and industrial wastewater pollution.
The existing industrial wastewater treatment system generally processes multistage biological contact oxidation reaction treatment through a simple grating filtration and regulation tank, then the treatment is carried out through sedimentation in a sedimentation tank, and finally the treatment is disinfected and discharged. The existing process cannot purify chemical harmful substances discharged from industrial sewage thoroughly, and particularly when a large amount of acidic or alkaline chemical substances exist in the industrial sewage, the wastewater cannot be purified thoroughly; the purification effect is poor.
Disclosure of Invention
The invention aims to solve the technical problem of providing an industrial sewage treatment system which has good purification effect and can realize acid-base decontamination of industrial wastewater.
The technical scheme adopted by the invention for solving the technical problems is as follows: an industrial sewage treatment system comprises a first grid tank, a second grid tank, a regulating tank, an oxidation tank, a primary sedimentation tank, a primary acid treatment tank, a primary alkaline treatment tank, a secondary acid treatment tank, a secondary alkaline treatment tank, a neutralization treatment tank, a secondary sedimentation tank, a disinfection tank, a discharge tank, a sludge consumption concentration tank and a sludge dewatering system;
the first grating tank, the second grating tank, the regulating tank, the oxidation tank and the primary sedimentation tank are communicated in sequence; the water outlet of the primary sedimentation tank is respectively communicated with the primary acidic treatment tank and the primary alkaline treatment tank; the primary acid treatment tank is respectively communicated with the secondary acid treatment tank and the secondary alkaline treatment tank;
the primary alkaline treatment tank is respectively communicated with the secondary acidic treatment tank and the secondary alkaline treatment tank;
flow regulating valves are arranged between the primary acid treatment tank and the secondary acid treatment tank and between the primary acid treatment tank and the secondary alkaline treatment tank;
flow regulating valves are arranged between the primary alkaline treatment tank and the secondary acidic treatment tank and between the primary alkaline treatment tank and the secondary alkaline treatment tank;
the water outlets of the secondary acid treatment tank and the secondary alkaline treatment tank are both communicated with the neutralization treatment tank; the neutralization treatment tank, the secondary sedimentation tank, the disinfection tank and the discharge tank are communicated in sequence;
and the sludge precipitated in the primary sedimentation tank and the secondary sedimentation tank is sequentially sent into a sludge consumption concentration tank and a sludge dewatering system.
Further, the first grid pond comprises a pond body, and the pond body is provided with a first water inlet and a first water outlet; a coarse grating is arranged below the first water inlet; the coarse grating and the side wall of the tank body form a first water inlet cavity; a first rotary pollution discharge device is arranged in the first water inlet cavity;
a first sewage discharge port is formed in the tank body, and a first water inlet is positioned above the first rotary sewage discharge device; the first rotary pollution discharge device comprises a rotating shaft, and sieve plates which are uniformly distributed along the circumference are arranged on the rotating shaft; the first water inlet is positioned above the sieve plate at one side of the first rotary pollution discharge device; the first sewage discharge port is positioned at the other side of the first rotary sewage discharge device;
the second grid pond comprises a pond body, and the pond body is provided with a second water inlet and a first water outlet; a fine grid is arranged below the second water inlet; the fine grating and the side wall of the tank body form a second water inlet cavity; a second rotary sewage discharging device is arranged in the second water inlet cavity; a second sewage draining outlet is formed in the tank body, and a second water inlet is positioned above the second rotary sewage draining device; the second rotary pollution discharge device comprises a rotating shaft, and sieve plates which are uniformly distributed along the circumference are arranged on the rotating shaft; the second water inlet is positioned above the sieve plate at one side of the second rotary pollution discharge device; the second sewage draining outlet is positioned at the other side of the second rotary sewage draining device; the first water outlet is communicated with the second water inlet.
Furthermore, the first water inlet cavity and the second water inlet cavity are cylindrical cavities.
Further, the industrial sewage treatment system also comprises a disinfectant stored in the dosing tank, and the dosing tank is communicated with the disinfection tank through a water pump.
Preferably, the primary sedimentation tank adopts a horizontal sedimentation tank.
Furthermore, a sludge return channel is arranged on the primary sedimentation tank and communicated with the regulating tank.
The invention has the beneficial effects that: according to the industrial sewage treatment system, the primary acid treatment tank, the primary alkaline treatment tank, the secondary acid treatment tank and the secondary alkaline treatment tank are arranged, so that harmful chemical substances in industrial wastewater can be thoroughly purified; meanwhile, through the arrangement of the communication relationship of each level of the primary acid treatment tank, the primary alkaline treatment tank, the secondary acid treatment tank and the secondary alkaline treatment tank, only the corresponding acid purifying agent and alkaline purifying agent are needed to be added into the primary acid treatment tank and the primary alkaline treatment tank, and no acid or alkali is needed to be added when the pH value of the sewage is added in the subsequent neutralization tank; thereby reducing the consumption of the purifying agent and reducing the cost. Therefore, the industrial sewage treatment system can improve the purification effect of the industrial sewage and reduce the purification cost at the same time.
Drawings
FIG. 1 is a schematic structural diagram of an industrial wastewater treatment system according to an embodiment of the present invention.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1, the industrial sewage treatment system according to the present invention includes a first grid tank 1, a second grid tank 2, a regulating tank 3, an oxidation tank 4, a primary sedimentation tank 5, a primary acidic treatment tank 6, a primary alkaline treatment tank 7, a secondary acidic treatment tank 8, a secondary alkaline treatment tank 9, a neutralization treatment tank 10, a secondary sedimentation tank 11, a disinfection tank 12, a discharge tank 15, a sludge consumption concentration tank 16, and a sludge dewatering system 17;
the first grating tank 1, the second grating tank 2, the regulating tank 3, the oxidation tank 4 and the primary sedimentation tank 5 are communicated in sequence; the water outlet of the primary sedimentation tank 5 is respectively communicated with a primary acidic treatment tank 6 and a primary alkaline treatment tank 7; the primary acid treatment tank 6 is respectively communicated with a secondary acid treatment tank 8 and a secondary alkaline treatment tank 9;
the primary alkaline treatment tank 7 is respectively communicated with a secondary acidic treatment tank 8 and a secondary alkaline treatment tank 9;
flow regulating valves 20 are arranged between the primary acid treatment tank 6 and the secondary acid treatment tank 8 and between the primary acid treatment tank 6 and the secondary alkaline treatment tank 9;
flow regulating valves 20 are arranged between the primary alkaline treatment tank 7 and the secondary acidic treatment tank 8 and between the primary alkaline treatment tank 7 and the secondary alkaline treatment tank 9;
the water outlets of the secondary acid treatment tank 8 and the secondary alkaline treatment tank 9 are both communicated with a neutralization treatment tank 10; the neutralization treatment tank 10, the secondary sedimentation tank 11, the disinfection tank 12 and the discharge tank 15 are communicated in sequence;
and the sludge precipitated by the primary sedimentation tank 5 and the secondary sedimentation tank 11 is sequentially sent to a sludge consumption concentration tank 16 and a sludge dewatering system 17.
In the working process:
firstly, filtering wastewater by a first grid tank 1 and a second grid tank 2, then carrying out primary sedimentation by an adjusting tank 3, adjusting the flow of sewage, and then oxidizing the sewage in an oxidation tank 4; decomposing organic matters in the sewage into carbon dioxide through aeration oxidation, and converting the carbon dioxide into sludge cells through assimilation of microorganisms; so that pollutants in the sewage can be changed into harmless substances such as carbon dioxide, water and the like through aerobic organisms in the sewage. In the primary sedimentation tank 5, sludge in the sewage is sent into a sludge consumption concentration tank 16 after being precipitated; then the sludge is sent into a sludge dewatering system 17 for dewatering; and settling sludge in the sewage to realize the separation of the sludge and water. Supernatant in the primary sedimentation tank 5 flows into a primary acidic treatment tank 6 and a primary alkaline treatment tank 7 respectively; adding an acid purifying agent into the primary acid treatment tank 6, and adding an alkaline purifying agent into the primary alkaline treatment tank 7;
the sewage after the acid treatment in the primary acid treatment tank 6 is partially sent to a secondary acid treatment tank 8 through a flow regulating valve 20, and partially sent to a secondary alkaline treatment tank 9;
the sewage after the alkaline treatment in the primary alkaline treatment tank 7 is partially sent to the secondary acidic treatment tank 8 through a flow regulating valve 20, and partially sent to the secondary alkaline treatment tank 9;
in the secondary alkaline treatment tank 9, the sewage in the secondary alkaline treatment tank 9 is made alkaline by adjusting a flow regulating valve 20 between the primary acidic treatment tank 6 and the secondary alkaline treatment tank 9 and a flow valve between the primary alkaline treatment tank 7 and the secondary alkaline treatment tank 9; so as to carry out alkaline purification on the sewage which is not subjected to alkaline treatment in the primary alkaline treatment tank 7;
in the secondary acid treatment tank 8, the sewage in the secondary acid treatment tank 8 is acidic by adjusting a flow control valve 20 between the primary acid treatment tank 6 and the secondary acid treatment tank 8 and a flow valve between the primary alkaline treatment tank 7 and the secondary acid treatment tank 8; so as to perform acid purification on the sewage which is not subjected to acid treatment in the primary acid treatment tank 6;
then, the amount of the sewage flowing into the neutralization treatment tank 10 from the secondary acid treatment tank 8 and the secondary alkaline treatment tank 9 is adjusted in the neutralization treatment tank 10, so that the sewage in the neutralization treatment tank 10 is neutral, and the pH value of the sewage is adjusted. Then, carrying out sedimentation in a secondary sedimentation tank 11, and sending sludge in the sewage into a sludge consumption concentration tank 16 after sedimentation; the sludge is then sent to a sludge dewatering system 17 for dewatering. And the supernatant of the secondary sedimentation tank 11 is sent to a disinfection tank 12, a disinfection machine is added into the disinfection tank 12, and the supernatant is sent to a discharge tank 15 for discharge after disinfection.
In conclusion, the industrial sewage treatment system provided by the invention is provided with the primary acid treatment tank, the primary alkaline treatment tank, the secondary acid treatment tank and the secondary alkaline treatment tank, so that harmful chemical substances in industrial wastewater can be thoroughly purified; meanwhile, through the arrangement of the communication relationship of each level of the primary acid treatment tank, the primary alkaline treatment tank, the secondary acid treatment tank and the secondary alkaline treatment tank, only the corresponding acid purifying agent and alkaline purifying agent are needed to be added into the primary acid treatment tank and the primary alkaline treatment tank, and no acid or alkali is needed to be added when the pH value of the sewage is added in the subsequent neutralization tank; thereby reducing the consumption of the purifying agent and reducing the cost. Therefore, the industrial sewage treatment system can improve the purification effect of the industrial sewage and reduce the purification cost at the same time.
In order to facilitate automatic filtration and reduce the workload of workers, further, the first grid tank 1 comprises a tank body, and the tank body is provided with a first water inlet 101 and a first water outlet; a coarse grill 105 is arranged below the first water inlet 101; the coarse grating 105 and the side wall of the tank body form a first water inlet cavity 103 in a surrounding mode; a first rotary pollution discharge device 102 is arranged in the first water inlet cavity 103;
a first sewage discharge port 104 is arranged on the tank body, and the first water inlet 101 is positioned above the first rotary sewage discharge device 102; the rotary pollution discharge device 102 comprises a rotating shaft, and sieve plates which are uniformly distributed along the circumference are arranged on the rotating shaft; the first water inlet 101 is positioned above a screen plate at one side of the first rotary sewage draining device 102; the first drain outlet 104 is positioned at the other side of the first rotary sewage draining device 102;
the second grating tank 2 comprises a tank body having a second water inlet 21 and a first water outlet; a fine grid 25 is arranged below the second water inlet 21; the fine grating 25 and the side wall of the tank body form a second water inlet cavity 23; a second rotary pollution discharge device 22 is arranged in the second water inlet cavity 23; a second sewage draining outlet 24 is arranged on the tank body, and the second water inlet 21 is positioned above the second rotary sewage draining device 22; the second rotary pollution discharge device 22 comprises a rotating shaft, and sieve plates which are uniformly distributed along the circumference are arranged on the rotating shaft; the second water inlet 21 is positioned above the sieve plate at one side of the second rotary pollution discharge device 22; the second sewage draining outlet 24 is positioned at the other side of the second rotary sewage draining device 22; the first water outlet communicates with a second water inlet 21.
In order to facilitate thorough filtration and avoid grid blockage, further, the first water inlet cavity 103 and the second water inlet cavity 23 are cylindrical cavities.
In order to add the disinfectant, the industrial sewage treatment system further comprises a disinfectant stored in a dosing tank 13, and the dosing tank 13 is communicated with the disinfection tank 12 through a water pump 14.
In order to reduce the construction cost, the primary sedimentation tank 5 is a horizontal sedimentation tank.
In order to purify the sewage completely, a sludge return channel 18 is further arranged on the primary sedimentation tank 5, and the sludge return channel 18 is communicated with the regulating tank 3.

Claims (6)

1. An industrial sewage treatment system, which is characterized in that: comprises a first grid pool (1), a second grid pool (2), a regulating pool (3), an oxidation pool (4), a primary sedimentation pool (5), a primary acid treatment pool (6), a primary alkaline treatment pool (7), a secondary acid treatment pool (8), a secondary alkaline treatment pool (9), a neutralization treatment pool (10), a secondary sedimentation pool (11), a disinfection pool (12), a discharge pool (15), a sludge consumption concentration pool (16) and a sludge dewatering system (17);
the first grid tank (1), the second grid tank (2), the adjusting tank (3), the oxidation tank (4) and the primary sedimentation tank (5) are communicated in sequence; the water outlet of the primary sedimentation tank (5) is respectively communicated with a primary acidic treatment tank (6) and a primary alkaline treatment tank (7); the primary acid treatment tank (6) is respectively communicated with a secondary acid treatment tank (8) and a secondary alkaline treatment tank (9);
the primary alkaline treatment tank (7) is respectively communicated with the secondary acidic treatment tank (8) and the secondary alkaline treatment tank (9);
flow regulating valves (20) are arranged between the primary acidic treatment tank (6) and the secondary acidic treatment tank (8) and between the primary acidic treatment tank (6) and the secondary alkaline treatment tank (9);
flow regulating valves (20) are arranged between the primary alkaline treatment tank (7) and the secondary acidic treatment tank (8) and between the primary alkaline treatment tank (7) and the secondary alkaline treatment tank (9);
the water outlets of the secondary acidic treatment tank (8) and the secondary alkaline treatment tank (9) are both communicated with a neutralization treatment tank (10); the neutralization treatment tank (10), the secondary sedimentation tank (11), the disinfection tank (12) and the discharge tank (15) are communicated in sequence;
the sludge precipitated in the primary sedimentation tank (5) and the secondary sedimentation tank (11) is sequentially sent into a sludge consumption concentration tank (16) and a sludge dewatering system (17);
an acid purifying agent is added in the primary acid treatment tank (6), and an alkaline purifying agent is added in the primary alkaline treatment tank (7).
2. The industrial wastewater treatment system of claim 1, wherein: the first grating tank (1) comprises a tank body having a first water inlet (101) and a first water outlet; a coarse grid (105) is arranged below the first water inlet (101); the coarse grating (105) and the side wall of the tank body form a first water inlet cavity (103); a first rotary pollution discharge device (102) is arranged in the first water inlet cavity (103);
a first sewage discharge port (104) is formed in the tank body, and the first water inlet (101) is positioned above the first rotary sewage discharge device (102); the first rotary pollution discharge device (102) comprises a rotating shaft, and sieve plates which are uniformly distributed along the circumference are arranged on the rotating shaft; the first water inlet (101) is positioned above a screen plate on one side of the first rotary pollution discharge device (102); the first sewage discharge port (104) is positioned at the other side of the first rotary sewage discharge device (102);
the second grid tank (2) comprises a tank body having a second water inlet (21) and a first water outlet; a fine grid (25) is arranged below the second water inlet (21); the fine grid (25) and the side wall of the tank body enclose a second water inlet cavity (23); a second rotary pollution discharge device (22) is arranged in the second water inlet cavity (23); a second sewage draining outlet (24) is formed in the tank body, and the second water inlet (21) is positioned above the second rotary sewage draining device (22); the second rotary pollution discharge device (22) comprises a rotating shaft, and sieve plates which are uniformly distributed along the circumference are arranged on the rotating shaft; the second water inlet (21) is positioned above the sieve plate at one side of the second rotary pollution discharge device (22); the second sewage draining outlet (24) is positioned at the other side of the second rotary sewage draining device (22); the first water outlet is communicated with a second water inlet (21).
3. The industrial wastewater treatment system of claim 2, wherein: the first water inlet cavity (103) and the second water inlet cavity (23) are cylindrical cavities.
4. The industrial wastewater treatment system of claim 1, wherein: the sterilizing device also comprises a sterilizing liquid stored in a dosing pool (13), wherein the dosing pool (13) is communicated with the sterilizing pool (12) through a water pump (14).
5. The industrial wastewater treatment system of claim 1, wherein: the primary sedimentation tank (5) adopts a horizontal flow sedimentation tank.
6. The industrial wastewater treatment system of claim 1, wherein: a sludge return channel (18) is arranged on the primary sedimentation tank (5), and the sludge return channel (18) is communicated with the adjusting tank (3).
CN201810581305.4A 2018-06-07 2018-06-07 Industrial sewage treatment system Active CN108793592B (en)

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Application Number Priority Date Filing Date Title
CN201810581305.4A CN108793592B (en) 2018-06-07 2018-06-07 Industrial sewage treatment system

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Application Number Priority Date Filing Date Title
CN201810581305.4A CN108793592B (en) 2018-06-07 2018-06-07 Industrial sewage treatment system

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CN108793592B true CN108793592B (en) 2021-10-22

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Publication number Priority date Publication date Assignee Title
CN109879474B (en) * 2019-02-28 2022-04-08 重庆工商大学 Dynamic adjustment type sewage working condition treatment system

Citations (7)

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Publication number Priority date Publication date Assignee Title
CN1951839A (en) * 2006-11-17 2007-04-25 辽宁三和环境工程有限公司 Method and apparatus for treating acid and alkaline waste water
CN101993158A (en) * 2009-08-28 2011-03-30 宁波宝新不锈钢有限公司 Method for treating stainless steel cold rolling pickling waste water
CN203419796U (en) * 2013-07-15 2014-02-05 宜宾久凌化学有限公司 System for removing industrial phosphorus by reusing waste water
CN103588325A (en) * 2013-11-22 2014-02-19 大连碧城环保科技有限公司 Acid pickling phosphorization industrial wastewater regenerating cycle method
CN103723886A (en) * 2013-12-12 2014-04-16 北京北方节能环保有限公司 Cyclotetramethylenete-tranitramine production sewage treatment device and method
CN206751562U (en) * 2017-05-03 2017-12-15 广州瑞豪环保科技有限公司 A kind of sewage disposal full set automatic control system
CN207210207U (en) * 2017-08-17 2018-04-10 湖南爱一环保科技有限公司 Sewage-treatment plant

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1951839A (en) * 2006-11-17 2007-04-25 辽宁三和环境工程有限公司 Method and apparatus for treating acid and alkaline waste water
CN101993158A (en) * 2009-08-28 2011-03-30 宁波宝新不锈钢有限公司 Method for treating stainless steel cold rolling pickling waste water
CN203419796U (en) * 2013-07-15 2014-02-05 宜宾久凌化学有限公司 System for removing industrial phosphorus by reusing waste water
CN103588325A (en) * 2013-11-22 2014-02-19 大连碧城环保科技有限公司 Acid pickling phosphorization industrial wastewater regenerating cycle method
CN103723886A (en) * 2013-12-12 2014-04-16 北京北方节能环保有限公司 Cyclotetramethylenete-tranitramine production sewage treatment device and method
CN206751562U (en) * 2017-05-03 2017-12-15 广州瑞豪环保科技有限公司 A kind of sewage disposal full set automatic control system
CN207210207U (en) * 2017-08-17 2018-04-10 湖南爱一环保科技有限公司 Sewage-treatment plant

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