CN201809240U - Chemical fiber wastewater advanced treatment system - Google Patents
Chemical fiber wastewater advanced treatment system Download PDFInfo
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- CN201809240U CN201809240U CN2010202904050U CN201020290405U CN201809240U CN 201809240 U CN201809240 U CN 201809240U CN 2010202904050 U CN2010202904050 U CN 2010202904050U CN 201020290405 U CN201020290405 U CN 201020290405U CN 201809240 U CN201809240 U CN 201809240U
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- chemical fiber
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Abstract
The utility model provides a chemical fiber wastewater advanced treatment system. The water treatment system can be applied to the advanced treatment for wastewater of a regulation tank, effluent of a secondary sedimentation tank in the AO process and wastewater of a polymerization unit. The utility model mainly comprises a regulation tank, a micro-electrolytic reactor, a NaCl feed device and a three-dimensional electrochemical reactor. In the three-dimensional electrochemical reactor, an anode plate adopts a titanium substrate with ruthenium/titanium/iridium coating, and a cathode plate adopts a stainless steel electrode. The chemical fiber wastewater advanced treatment system solves the problems that the organic matter content in the chemical fiber wastewater is high and the biodegradability of the chemical fiber wastewater is poor, has the characteristics of good treatment effect and low investment cost, operates stably, and can effectively remove dimethylacetamide (DMAC), acrylonitrile, dimethylamine, vinyl acetate and other poorly-biodegradable organic matters from the chemical fiber wastewater, and reduce chemical oxygen demand (COD) and ammonia nitrogen in the wastewater.
Description
Technical field
The utility model relates to a kind of Waste Water Treatment, and particularly a kind of chemical fiber waste water advanced treatment system belongs to field of environment protection.
Background technology
Chemical fiber waste water has the advantages that the water yield is big, colourity is dark, variation water quality is big, organic content height in the waste water, biodegradability is poor, pollutants in waste water has DMAC, vinyl cyanide, dimethylamine, vinyl acetate, acetic acid etc. and derivative thereof etc., if not treated direct discharging can cause very big pollution to environment.
For many years, in order to realize the qualified discharge of chemical fiber waste water, recycle the chemical substance in the waste water, people have carried out research and the test that multiple chemical fiber waste water is administered, develop multiple chemical fiber waste water treatment process, wherein main is to utilize neutralization, anaerobic treatment combination, effectively reduces its oxygen level and contents of precipitate.But because quantity of wastewater effluent is bigger, the cost of unit sewage disposal is higher, and prior art can't effectively be used in actual production, can't realize the qualified discharge of sewage.
How to develop a kind of simple effectively, with low cost and have the chemical fiber waste water treatment system of certain economic benefit, be the major issue that needs to be resolved hurrily.
Summary of the invention
The purpose of this utility model provides a kind of chemical fiber waste water advanced treatment system of principal pollutant such as COD, ammonia nitrogen in polymerized unit waste water, equalizing tank waste water and the second pond water outlet that can be used in the degree of depth chemical fiber waste water treatment system.
The purpose of this utility model is achieved through the following technical solutions:
The utility model is a kind of chemical fiber waste water advanced treatment system, mainly comprises equalizing tank, micro-electrolysis reactor, NaCl chemicals dosing plant and three-dimensional electrochemical reactor;
Waste water in the described equalizing tank comprises equalizing tank waste water, the second pond water outlet of AO technology and the polymerized unit waste water in the chemical fiber waste water treatment system respectively;
Waste water in the described equalizing tank is at first in lift pump is evacuated to micro-electrolysis reactor, the waste water micro-electrolysis stuffing of from top to bottom flowing through, water outlet is controlled by valve, enter water tank, be evacuated to three-dimensional electrochemical reactor through lift pump again, regulate the addition of NaCl in the former water by the tachometer value of regulating dosing pump, and in line mixer, mix with former water;
Described three-dimensional electrochemical reactor is the conversion unit of electrochemical process, in establish cathode-anode plate, on connect the diffuser road, the waste water three-dimensional electrochemical reactor of flowing through from the bottom to top, can remove pollutent in the water by redox reaction after the energising, water outlet is controlled by valve, and slag-drip opening is established in the bottom, be connected to Residue extraction pipeline, regularly efflux.
In the described three-dimensional electrochemical reactor, positive plate adopts the titanium base to apply ruthenium, titanium, iridium coating layer, and negative plate adopts stainless steel electrode.
Also comprise back-purge system, utilize the clear water in the lift pump extraction clean water basin, micro-electrolysis reactor and three-dimensional electrochemical reactor are carried out back flushing by valve control.
The utlity model has following advantage and positive effect:
The chemical fiber waste water treatment system that is provided by above-mentioned the utility model as can be seen, the utility model carries out advanced treatment to chemical fiber waste water, solved the problem of organic content height, biodegradability difference in the chemical fiber waste water, have characteristics such as treatment effect is good, investment cost is low, stable, can effectively remove hardly degraded organic substances such as DMAC in the chemical fiber waste water only, vinyl cyanide, dimethylamine, vinyl acetate, reduce the COD and the ammonia nitrogen of waste water.
Description of drawings
Accompanying drawing is the process flow sheet of the utility model chemical fiber waste water advanced treatment system.
Fig. 1 chemical fiber waste water advanced treatment system process flow sheet
The numbering of each several part explanation in the synoptic diagram:
The 1-equalizing tank; The 2-micro-electrolysis reactor; The 3-water tank; The 4-three-dimensional electrochemical reactor; The former clean water basin of 5-; The 6-1# lift pump; The 7-micro-electrolysis stuffing; The 8-support; The 9-back flushing; The 10-2# lift pump; The 11-NaCl chemicals dosing plant; The 12-line mixer; The 13-back flushing; 14-connects positive source; 15-connects power cathode; 16-connects the diffuser road; The 17-support; The 18-slag pipeline that runs in.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
The utility model mainly is in polymerized unit waste water, equalizing tank waste water and the second pond water outlet in the chemical fiber waste water treatment system, a kind of chemical fiber waste water advanced treatment system of exploitation, its preferred implementation as shown in Figure 1, this system mainly comprises equalizing tank 1, micro-electrolysis reactor 2, NaCl chemicals dosing plant 3 and three-dimensional electrochemical reactor 4 etc.;
Waste water in the equalizing tank 1 comprises equalizing tank waste water, the second pond water outlet of AO technology and polymerized unit waste water respectively, waste water is at first in lift pump 6 is evacuated to the micro-electrolysis reactor 2 that places on the support 8, the micro-electrolysis stuffing 7 of from top to bottom flowing through, water outlet is controlled by valve, enter water tank 3, in lift pump 10 is evacuated to three-dimensional electrochemical reactor 4, regulates the addition of NaCl in the former water by NaCl chemicals dosing plant 11, and in line mixer 12, mix again with former water.
Place in the three-dimensional electrochemical reactor 4 on the support 17 and establish cathode-anode plate, connect positive source 14 and power cathode 15 respectively, on put diffuser road 16, the waste water three-dimensional electrochemical reactor 4 of flowing through from the bottom to top, can remove pollutent in the water by redox reaction after the energising, water outlet is controlled by valve, and slag-drip opening is established in the bottom, be connected to Residue extraction pipeline 18, regularly efflux.
Back flushing water inlet pipe (9,13) is established in micro-electrolysis reactor 2 and three-dimensional electrochemical reactor 4 bottoms, utilizes the clear water in the lift pump extraction clean water basin 5, by valve control reactor is carried out back flushing.
The working process that the utility model is handled chemical fiber waste water is:
After system brings into operation, the waste water of collecting in the equalizing tank 1, in lift pump 6 is taken out micro-electrolysis reactor 2, the waste water micro-electrolysis stuffing 7 of from top to bottom flowing through, water outlet enters water tank 3 by valve control, again in lift pump 10 is evacuated to three-dimensional electrochemical reactor 4, regulate the addition of NaCl in the former water by NaCl chemicals dosing plant 11, and in line mixer 12, mix, establish cathode-anode plate in the three-dimensional electrochemical reactor 4 with former water, the waste water three-dimensional electrochemical reactor 4 of flowing through from the bottom to top, can remove pollutent in the water by redox reaction after the energising, water outlet is controlled by valve, and slag-drip opening is established in the bottom, be connected to Residue extraction pipeline 18, regularly efflux.
The utility model chamber checking by experiment, the operational conditions of electrochemical appliance the best is: processing flow 200L/h, size of current are that 1000A, NaCl addition are 2g/L.Under this operational conditions, when treat effluent reached metastable state, electrochemical appliance to equalizing tank waste water, the water outlet of AO technology second pond, polymerized unit wastewater treatment result is: the electrochemistry pilot plant was respectively 14.3%, 84% to equalizing tank waste water COD, ammonia nitrogen average removal rate; AO biological treatment second pond water outlet COD, ammonia nitrogen average removal rate are respectively 18.1%～47.7%, 100%; Polymerized unit waste water COD, ammonia nitrogen average removal rate are respectively 10.8%, 69.6%.Electrochemical method can efficiently be removed the ammonia nitrogen in the waste water.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; any technician who is familiar with the utility model field is in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.
Claims (3)
1. chemical fiber waste water advanced treatment system, this system mainly comprises equalizing tank (1), micro-electrolysis reactor (2), NaCl chemicals dosing plant (3) and three-dimensional electrochemical reactor (4), it is characterized in that, waste water in the equalizing tank (1) is in lift pump (6) is evacuated to the micro-electrolysis reactor (2) that places on the support (8), the micro-electrolysis stuffing (7) of from top to bottom flowing through, water outlet enters water tank (3), again in lift pump (10) is evacuated to three-dimensional electrochemical reactor (4), regulate the addition of NaCl in the former water by NaCl chemicals dosing plant (11), and in line mixer (12), mix with former water; Place in the three-dimensional electrochemical reactor (4) on the support (17) and establish cathode-anode plate, connect positive source (14) and power cathode (15) respectively, on put diffuser road (16), the waste water three-dimensional electrochemical reactor (4) of flowing through from the bottom to top, water outlet is controlled by valve, slag-drip opening is established in the bottom, is connected to Residue extraction pipeline (18).
2. chemical fiber waste water advanced treatment system according to claim 1 is characterized in that, in the described three-dimensional electrochemical reactor (4), positive plate adopts the titanium base to apply ruthenium, titanium, iridium coating layer, and negative plate adopts stainless steel electrode.
3. chemical fiber waste water advanced treatment system according to claim 1, it is characterized in that, also comprise back-purge system, back flushing water inlet pipe (9,13) is established in micro-electrolysis reactor (2) and three-dimensional electrochemical reactor (4) bottom, utilize the clear water in the lift pump extraction clean water basin (5), reactor is carried out back flushing by valve control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202904050U CN201809240U (en) | 2010-08-13 | 2010-08-13 | Chemical fiber wastewater advanced treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202904050U CN201809240U (en) | 2010-08-13 | 2010-08-13 | Chemical fiber wastewater advanced treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201809240U true CN201809240U (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202904050U Expired - Lifetime CN201809240U (en) | 2010-08-13 | 2010-08-13 | Chemical fiber wastewater advanced treatment system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102659269A (en) * | 2012-04-19 | 2012-09-12 | 北京美通科技发展有限公司 | Efficient and stable coking wastewater advanced treatment process and treatment system |
| CN103663630A (en) * | 2012-09-10 | 2014-03-26 | 中国石油化工股份有限公司 | Method for electrolysis treatment of acrylonitrile wastewater |
| CN104817140A (en) * | 2015-04-22 | 2015-08-05 | 南京水思环保科技有限公司 | Acetonitrile-containing high-salinity wastewater recovery and treatment method in production process of total fluorine ketone |
| CN110078179A (en) * | 2019-05-10 | 2019-08-02 | 浙江浙能嘉华发电有限公司 | The cooperation-removal method and apparatus of ammonia nitrogen and COD in a kind of Waste Water From Fire Power Plant |
| CN116102120A (en) * | 2021-11-08 | 2023-05-12 | 中国石油化工股份有限公司 | Treatment method of vinyl acetate-containing wastewater |
-
2010
- 2010-08-13 CN CN2010202904050U patent/CN201809240U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102659269A (en) * | 2012-04-19 | 2012-09-12 | 北京美通科技发展有限公司 | Efficient and stable coking wastewater advanced treatment process and treatment system |
| CN103663630A (en) * | 2012-09-10 | 2014-03-26 | 中国石油化工股份有限公司 | Method for electrolysis treatment of acrylonitrile wastewater |
| CN103663630B (en) * | 2012-09-10 | 2015-09-16 | 中国石油化工股份有限公司 | A kind of acrylic nitrile waste water electrolytic processing method |
| CN104817140A (en) * | 2015-04-22 | 2015-08-05 | 南京水思环保科技有限公司 | Acetonitrile-containing high-salinity wastewater recovery and treatment method in production process of total fluorine ketone |
| CN104817140B (en) * | 2015-04-22 | 2017-06-20 | 南京水思环保科技有限公司 | High-salt wastewater recovery and treatment method containing acetonitrile in perfluor ketone production process |
| CN110078179A (en) * | 2019-05-10 | 2019-08-02 | 浙江浙能嘉华发电有限公司 | The cooperation-removal method and apparatus of ammonia nitrogen and COD in a kind of Waste Water From Fire Power Plant |
| CN116102120A (en) * | 2021-11-08 | 2023-05-12 | 中国石油化工股份有限公司 | Treatment method of vinyl acetate-containing wastewater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100081 Beijing city Haidian District Dahui Temple Road, No. 19 Hospital of Beijing sinorichen environmental protection Co., Ltd. Patentee after: BEIJING SINORICHEN ENVIRONMENTAL PROTECTION CO., LTD. Address before: 100081 Beijing city Haidian District Dahui Temple Road, No. 19 Hospital of Beijing sinorichen environmental protection Co., Ltd. Patentee before: BEIJING SINORICHEN ENVIRONMENTAL PROTECTION CO., LTD. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 856100 21 Hero Road, Naidong District, Shannan, Tibet Patentee after: Tibet China environmental protection Polytron Technologies Inc Address before: 100081 Beijing, Beijing, Haidian District, 19, Tai Hui Temple Road, Shenzhou Rui Lin Environmental Protection Technology Co., Ltd. Patentee before: BEIJING SINORICHEN ENVIRONMENTAL PROTECTION CO., LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110427 |