CN203212413U - Coking wastewater deep treatment system - Google Patents
Coking wastewater deep treatment system Download PDFInfo
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- CN203212413U CN203212413U CN 201320240528 CN201320240528U CN203212413U CN 203212413 U CN203212413 U CN 203212413U CN 201320240528 CN201320240528 CN 201320240528 CN 201320240528 U CN201320240528 U CN 201320240528U CN 203212413 U CN203212413 U CN 203212413U
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Abstract
The utility model relates to a coking wastewater deep treatment system comprising a rear coagulation water tank, a primary electro-catalytic oxidation device, a neutralizing aeration tank, a strengthening sedimentation tank, a secondary electro-catalytic oxidation device, an electric flocculation and electroflotation device, an iron and manganese removal filter, a middle water tank, a ultrafiltration circulating tank, a ultrafiltration device, a ultrafiltration water producing tank, a reverse osmosis device and a reverse osmosis water producing pool. The coking wastewater deep treatment system can be used for further treating secondary-biological-treatment coking wastewater deeply, so that the quality of treated producing water is stable, each indicator is consistent with national standard, and meanwhile, complete recovery of the coking wastewater can be realized.
Description
Technical field
The utility model relates to the coking industry technical field of waste water processing, particularly a kind of coking advanced waste treatment system.
Background technology
Coking chemical waste water mainly is in coke production, follows the recovery of compounds such as tar, benzene, ammonia, phenol and cyanogen. a large amount of waste water that in gas washing, cooling, purification and Chemicals recovery, treating process, produce.Contain heterogeneous ring compound of a large amount of polycyclc aromatic compounds and nitrogenous, oxygen, sulphur etc. in the coking chemical waste water, belong to the high-concentration organic industrial waste water of difficult degradation.
At present Technologies of Coke Plant Wastewater Treatment is generally based on A-O-O technology or its improvement technology of biochemical treatment, though from the technological layer angle, can make waste water reach sewage comprehensive discharge primary standard after the processing, but because biological treatment is subjected to condition elements such as load, poisonous substance, nutrition to influence bigger, the limit value of operator's operation level in addition, in the actual moving process, contaminated wastewater thing after often occur the handling phenomenon that exceeds standard exceeds standard easily such as surpassing in the influent waste water amount under the big situation of design flow or impact load.Therefore simple conventional processing can not guarantee whole wastewater to reach standard, must be all up to standard through realizing after further handling.Be necessary to implement the advanced treatment engineering of coking chemical waste water for this reason, all up to standard to guarantee the waste water after the processing, in order to realize the reuse of coking chemical waste water.
The utility model content
For solving above technical problem, the utility model provides a kind of coking advanced waste treatment system, solved that the coking chemical waste water after the secondary biochemical treatment often exceeds standard in the prior art, the water quality problem of unstable, coking chemical waste water after the further advanced treating secondary biochemical treatment, make and handle the back stable effluent quality, realize the fully recovering of coking chemical waste water when each index all is up to state standards.
The present invention is achieved through the following technical solutions:
A kind of coking advanced waste treatment system, comprise the back coagulation pond that connects successively by pipeline, one-level electrocatalysis oxidation apparatus, in and aeration tank, reinforced deposition pond, secondary electrocatalysis oxidation apparatus, electricity flocculation and electric floating device, deferrization and demanganization strainer, intermediate pool, ultrafiltration circulatory pool, ultra-filtration equipment, ultrafiltration produce pond, reverse osmosis unit and reverse osmosis produced pond.
In technique scheme, use the natural manganese sand filter material layer to be filtration medium in the described deferrization and demanganization strainer.
In technique scheme, use the inorganic ceramic ultrafiltration membrance filter in the described ultra-filtration equipment.
The coking advanced waste treatment system that the utility model provides, coking chemical waste water after the secondary biochemical treatment can be carried out advanced treatment, organic pollutant in the former water is degraded and decompose by devices such as electrocatalysis, electric floating, ultrafiltration, reverse osmosiss, reduce COD, ammonia nitrogen isoconcentration, produce water and meet the industrial circulate water standard, but reuse is to the industrial circulating water water charging system, and dense water can be used for sintered mix and steel-making slag stewing, has realized " zero " discharging of coking chemical waste water.
Description of drawings
The coking advanced waste treatment system synoptic diagram that Fig. 1 provides for the utility model embodiment.
Embodiment
Referring to Fig. 1, a kind of coking advanced waste treatment system that the utility model embodiment provides, waste water after the secondary biochemical treatment that produces with certain Steel Complex capacity coke oven is as former water, mainly contain pollutents such as suspended substance, organic pollutant, ammonia nitrogen, wherein coagulation pond, back 1 is the final structures of the conventional secondary biochemical treatment of coking chemical waste water, also is the water inlet source of advanced treatment engineering.
The waste water in back coagulation pond 1 enters the one-level electrocatalysis oxidation apparatus 2 that gos deep into treatment system by pipeline, produce hydroxyl radical free radical (OH) at this by electrode, effectively toxic substance is changed into non-toxic substance or the organism of biocompatible is converted into biocompatible material (open loop is oxidized to lipid acid as fragrant substance), in order to further handle and remove poisonous and harmful and hard-degraded substance in the water, by one-level electrocatalysis oxidation apparatus 2 back COD
CrAbout clearance 50%, ammonia nitrogen removal frank about 40%.
During the water outlet of one-level electrocatalysis oxidation apparatus 2 enters and aeration tank 3 by micro-pore aeration and pH regulator, is created good aerobic environment at this, removes a part of organism.
In and the water outlet of aeration tank 3 enter reinforced deposition pond 4, remove part by precipitating action and swim in suspended substance in the water.
4 water outlets of reinforced deposition pond enter secondary electrocatalysis oxidation apparatus 5, utilize the catalytic oxidation principle COD that further degrades
Cr, ammonia nitrogen and other hazardous and noxious substances.
The product water of secondary electrocatalysis oxidation apparatus 5 enters electricity flocculation and electric floating device 6, by adding flocculation agent, when carrying out flocculation sediment, again by the air supporting effect, greatly reduces the content of suspended substance in the water at this, makes water outlet limpider.
The water outlet of electricity flocculation and electric floating device 6 enters deferrization and demanganization strainer 7, be used for reducing the content of iron ion in the water, the employing natural manganese sand is filtration medium, when current during through the manganese sand filtration bed of material, manganese sand plays katalysis to the iron in the water on the one hand, on the other hand the ferric iron colloid is separated from water, and be retained among the filtering layer, thereby reach the purpose of deironing.
The water outlet of deferrization and demanganization strainer 7 enters ultrafiltration intermediate pool 8, by the ultrafiltration lift pump, water is squeezed into ultrafiltration circulatory pool 9 at this.Ultrafiltration circulatory pool 9 is responsible for supplying water to ultra-filtration equipment 10 on the one hand, is responsible on the other hand the dense water that ultrafiltration produces is returned circulation, realizes recycle.
The water of ultrafiltration circulatory pool 9 enters ultra-filtration equipment 10, adopts inorganic ceramic hyperfiltration membrane assembly and interior pressure circulating filtration pattern that waste water is filtered, the organism in the reduction water, colloid etc.
The water outlet of ultra-filtration equipment 10 enters ultrafiltration and produces pond 11, the product water that pond 11 is used for storing ultra-filtration equipment 10 is produced in ultrafiltration, originate as the water inlet of reverse osmosis high-pressure pump simultaneously, pump into reverse osmosis unit 12 in order to by high-pressure pump water is produced in ultrafiltration, by macromolecular substance and the organism in the membrane filtration removal water.
This advanced treatment system has adopted catalytic oxidation, electricity flocculation and electric technology such as floating as pretreatment system, and former water is handled, and is attended by the removal of manganese, iron simultaneously, has effectively guaranteed the influent quality requirement of ultrafiltration by the combination of above technology.After system of the present utility model advanced treatment, produce the COD of water
CrValue is less than 20mg/l, and oils is less than 1mg/L, and ammonia nitrogen is less than 0.5mg/L, and suspended substance is less than 2mg/l, and corresponding index has all reached design requirements and national standard, can be back to the industrial cycle water system, and dense water can enter industrial steps such as sintered mix and steel-making slag stewing.Waste water quality after the utility model is handled gets a promotion, and the water yield has obtained balance, has realized " zero " discharging of coking chemical waste water.
It should be noted last that, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to example the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (3)
1. coking advanced waste treatment system is characterized in that: comprise the back coagulation pond (1) that connects successively by pipeline, one-level electrocatalysis oxidation apparatus (2), in and aeration tank (3), reinforced deposition pond (4), secondary electrocatalysis oxidation apparatus (5), electricity flocculation and electric floating device (6), deferrization and demanganization strainer (7), intermediate pool (8), ultrafiltration circulatory pool (9), ultra-filtration equipment (10), ultrafiltration produce pond (11), reverse osmosis unit (12) and reverse osmosis produced pond (13).
2. coking advanced waste treatment system as claimed in claim 1 is characterized in that: use the natural manganese sand filter material layer to be filtration medium in the described deferrization and demanganization strainer (7).
3. coking advanced waste treatment system as claimed in claim 1 is characterized in that: use the inorganic ceramic ultra-filtration membrane in the described ultra-filtration equipment (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320240528 CN203212413U (en) | 2013-05-07 | 2013-05-07 | Coking wastewater deep treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320240528 CN203212413U (en) | 2013-05-07 | 2013-05-07 | Coking wastewater deep treatment system |
Publications (1)
| Publication Number | Publication Date |
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| CN203212413U true CN203212413U (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320240528 Expired - Lifetime CN203212413U (en) | 2013-05-07 | 2013-05-07 | Coking wastewater deep treatment system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104591471A (en) * | 2013-10-30 | 2015-05-06 | 宋斌英 | Ternary electrolytic sewage treatment combined process |
| CN104609611A (en) * | 2013-11-04 | 2015-05-13 | 宋斌英 | Emergency rapid water treatment method |
| CN104649482A (en) * | 2015-02-05 | 2015-05-27 | 北京神州瑞霖环保科技有限公司 | Method for treating waste emulsion |
| CN105110520A (en) * | 2015-08-14 | 2015-12-02 | 苏州康博电路科技有限公司 | Multi-term advanced oxidation catalytic wastewater treatment device |
| CN105314772A (en) * | 2014-05-29 | 2016-02-10 | 宝山钢铁股份有限公司 | Cold-rolled final emission wastewater treatment system and cold-rolled final emission wastewater treatment method |
| CN106977002A (en) * | 2017-05-17 | 2017-07-25 | 甘肃金桥水科技（集团）股份有限公司 | A kind of activated carbon and milipore filter integrated system and its purification method |
| CN107892412A (en) * | 2017-12-08 | 2018-04-10 | 中国石油天然气集团公司 | A kind of acid fracturing returns the processing method of discharge opeing |
| CN110372137A (en) * | 2019-07-30 | 2019-10-25 | 河海大学 | A kind of rainwater purification system using photoelectrocatalysioxidization oxidization |
| CN115536184A (en) * | 2022-11-02 | 2022-12-30 | 哈尔滨工业大学 | Integrated treatment device for town drinking water by combining micro-nano bubble ozone oxidation and electric flocculation and water treatment method thereof |
-
2013
- 2013-05-07 CN CN 201320240528 patent/CN203212413U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104591471A (en) * | 2013-10-30 | 2015-05-06 | 宋斌英 | Ternary electrolytic sewage treatment combined process |
| CN104609611A (en) * | 2013-11-04 | 2015-05-13 | 宋斌英 | Emergency rapid water treatment method |
| CN105314772A (en) * | 2014-05-29 | 2016-02-10 | 宝山钢铁股份有限公司 | Cold-rolled final emission wastewater treatment system and cold-rolled final emission wastewater treatment method |
| CN104649482A (en) * | 2015-02-05 | 2015-05-27 | 北京神州瑞霖环保科技有限公司 | Method for treating waste emulsion |
| CN105110520A (en) * | 2015-08-14 | 2015-12-02 | 苏州康博电路科技有限公司 | Multi-term advanced oxidation catalytic wastewater treatment device |
| CN106977002A (en) * | 2017-05-17 | 2017-07-25 | 甘肃金桥水科技（集团）股份有限公司 | A kind of activated carbon and milipore filter integrated system and its purification method |
| CN107892412A (en) * | 2017-12-08 | 2018-04-10 | 中国石油天然气集团公司 | A kind of acid fracturing returns the processing method of discharge opeing |
| CN110372137A (en) * | 2019-07-30 | 2019-10-25 | 河海大学 | A kind of rainwater purification system using photoelectrocatalysioxidization oxidization |
| CN115536184A (en) * | 2022-11-02 | 2022-12-30 | 哈尔滨工业大学 | Integrated treatment device for town drinking water by combining micro-nano bubble ozone oxidation and electric flocculation and water treatment method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |
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| CX01 | Expiry of patent term |