CN105152476A - Dyeing waste water total biochemical treatment process - Google Patents
Dyeing waste water total biochemical treatment process Download PDFInfo
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- CN105152476A CN105152476A CN201510565909.6A CN201510565909A CN105152476A CN 105152476 A CN105152476 A CN 105152476A CN 201510565909 A CN201510565909 A CN 201510565909A CN 105152476 A CN105152476 A CN 105152476A
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- waste water
- dyeing waste
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Abstract
The invention discloses a dyeing waste water total biochemical treatment process, characterized in that dyeing waste water is filtered by a waste water regulation pool, a heat recovery device, a PH regulation device, an anaerobic tank, a biochemical A/O pool, a secondary sediment pool, a micro-flocculation reaction pool, a sand filtering device, so that COD of the waste water is smaller than 150mg/l and the waste water is emitted after reaching the standard. The sludge generation rate is smaller than 0.1%, water distribution by a pulse water distributor is uniform, waterpower agitation is high, no dead angle sludge exists, self consumption is fast, further the sludge amount is reduced, and the process is advanced, simple in operation, low in operation cost and stable in operation.
Description
Technical field
The present invention relates to wastewater processing technology, be specifically related to the full biochemical processing process of a kind of dyeing waste water.
Background technology
Along with the minimizing of dyeing water consumption, further developing of dyestuff chelating technology, dyeing waste water progressively becomes the organic waste water of the poor high-concentration and high-chromaticity of a kind of biodegradability, traditional " coagulation materialization+biological treatment " technology has been difficult to the requirement meeting water quality regeneration, in addition, in coagulation materializing procedure, the high production rate of mud also has a strong impact on the development of industry, and the mud production rate of conventional art is about 5 ‰.
Summary of the invention
The invention provides the full biochemical processing process of a kind of dyeing waste water, to solve the problem.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the full biochemical processing process of a kind of dyeing waste water, comprises the following steps:
(1) dyeing waste water is promoted to heat reclamation device through pump and reclaims heat through this heat reclamation device after flowing into the wastewater equalization pond regulating water quality water yield;
(2) dyeing waste water after heat reclamation device process flows into anaerobic pond through pulse water distributing device again, through microbial hydrolytic acidifying, improves the B/C value of dyeing waste water;
(3) dyeing waste water after anaerobic pond process flows into biochemical A/O pond, and flow into after second pond carries out mud-water separation process after aerobic microbiological process, produce supernatant liquor and biochemical sludge, the COD of supernatant liquor is less than 200mg/l.
(4) supernatant liquor in second pond flows into tiny flocculation reaction tank, then gets through pump and filter to sand filtration apparatus, makes the COD of supernatant liquor be less than 150mg/l, reaches emission standard.
The biochemical sludge major part that second pond is separated is back to PH mediation devices, anaerobic pond, biochemical A/O pond, and the biochemical sludge of remainder enters sludge sump.
Also comprise the step of supernatant liquor up to standard reuse after carbon filter equipment filters.
Also comprise the step biochemical sludge press filtration in sludge sump being become block.
Press filtration becomes the filtrate produced in block process to be back to wastewater equalization pond.
The invention has the beneficial effects as follows: mud production rate of the present invention is less than 1 ‰, pulse water distributing device water distribution is even, and waterpower is stirred strong, fast without dead angle mud autophage, and then minimizing sludge quantity, the dyeing waste water of 50% is promoted to workshop secondary again and utilizes after full biochemical treatment, and meet national relevant regulations, present invention process is advanced, invest little, simple to operate, working cost is low, and operation is stable.
Accompanying drawing explanation
Fig. 1 is system chart of the present invention.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is further described.
As shown in Figure 1, the full biochemical processing process of a kind of dyeing waste water,
(1) dyeing waste water is promoted to heat reclamation device through pump and reclaims heat through this heat reclamation device after flowing into the wastewater equalization pond regulating water quality water yield, dyeing waste water from high temperature dye vat out after, the initial temperature of dyeing waste water is 80-100 degree, reclaiming dyeing waste water temperature after heat through heat reclamation device is 15-25 degree, heat energy after recovery can be used for any demand occasion, save energy.
(2) dyeing waste water after heat reclamation device process flows into anaerobic pond through pulse water distributing device again, through microbial hydrolytic acidifying, improves the B/C value of dyeing waste water, adopts pulse water distributing device, and anaerobic pond base sludge stirs dynamics by force, and water distribution is evenly without dead angle;
(3) dyeing waste water after anaerobic pond process flows into biochemical A/O pond, flow into after second pond carries out mud-water separation process after aerobic microbiological process, biochemical sludge and supernatant liquor is produced after separating treatment, the COD of supernatant liquor is less than 200mg/1, in second pond biochemical sludge major part through reflux pump pumpback to PH mediation devices, anaerobic pond, biochemical A/O pond, remainder enters sludge sump, biochemical sludge in sludge sump is become block by the press filtration of sludge pump suction pressure filter and is become the biochemical sludge of block to do safe disposal for equipment such as mud bags to press filtration, the filtrate produced in pressure filter pressure-filtering process is back to wastewater equalization pond, recycling.
(4) supernatant liquor in second pond flows into tiny flocculation reaction tank, squeeze into sand filtration apparatus through lift pump again to filter, the COD of supernatant liquor is made to be less than 150mg/l, reach emission standard, the supernatant liquor reaching emission standard of 50% flows into carbon filter equipment and filters, and flow to reuse pool and be promoted to workshop again and again utilize after filtration.
For a person skilled in the art; still can the technical scheme described in foregoing embodiments be modified; or equivalent replacement is carried out to wherein portion of techniques feature; within the spirit and principles in the present invention all; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. the full biochemical processing process of dyeing waste water, is characterized in that, comprise the following steps:
(1) dyeing waste water flows out to heat reclamation device and reclaims heat through this heat reclamation device after flowing into the wastewater equalization pond regulating water quality water yield;
(2) dyeing waste water after heat reclamation device process flows into anaerobic pond through pulse water distributing device again, through microbial hydrolytic acidifying, improves the B/C value of dyeing waste water;
(3) dyeing waste water after anaerobic pond process flows into biochemical A/O pond, and flow into after second pond carries out mud-water separation process after aerobic microbiological process, produce supernatant liquor and biochemical sludge, the COD of supernatant liquor is less than 200mg/l.
(4) supernatant liquor in second pond flows into tiny flocculation reaction tank, then gets through pump and filter to sand filtration apparatus, makes the COD of supernatant liquor be less than 150mg/l, reaches emission standard.
2. the full biochemical processing process of dyeing waste water as claimed in claim 1, it is characterized in that, the biochemical sludge major part that second pond is separated is back to PH mediation devices, anaerobic pond, biochemical A/O pond, and the biochemical sludge of remainder enters sludge sump.
3. the full biochemical processing process of dyeing waste water as claimed in claim 1 or 2, is characterized in that, also comprises the step of supernatant liquor up to standard reuse after carbon filter equipment filters.
4. the full biochemical processing process of dyeing waste water as claimed in claim 2, is characterized in that, also comprise the step biochemical sludge press filtration in sludge sump being become block.
5. the full biochemical processing process of dyeing waste water as claimed in claim 4, it is characterized in that, press filtration becomes the filtrate produced in block process to be back to wastewater equalization pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510565909.6A CN105152476A (en) | 2015-08-27 | 2015-08-27 | Dyeing waste water total biochemical treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510565909.6A CN105152476A (en) | 2015-08-27 | 2015-08-27 | Dyeing waste water total biochemical treatment process |
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| Publication Number | Publication Date |
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| CN105152476A true CN105152476A (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510565909.6A Pending CN105152476A (en) | 2015-08-27 | 2015-08-27 | Dyeing waste water total biochemical treatment process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249700A (en) * | 2018-01-19 | 2018-07-06 | 嘉兴市七洲漂染有限公司 | The Dyeing Wastewater Treatment technique of Dyeing Wastewater Treatment system and the application system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102040313A (en) * | 2010-09-27 | 2011-05-04 | 常熟市福亿印花炼染有限公司 | Process for treating high-concentration printing and dying waste water |
| CN203530082U (en) * | 2013-10-21 | 2014-04-09 | 杭州浩蓝环境工程技术有限公司 | Printing and dyeing wastewater treatment and recycling system |
| CN104402167A (en) * | 2014-10-20 | 2015-03-11 | 上海绿澄环保科技有限公司 | Printing and dyeing wastewater biochemical treatment method |
-
2015
- 2015-08-27 CN CN201510565909.6A patent/CN105152476A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102040313A (en) * | 2010-09-27 | 2011-05-04 | 常熟市福亿印花炼染有限公司 | Process for treating high-concentration printing and dying waste water |
| CN203530082U (en) * | 2013-10-21 | 2014-04-09 | 杭州浩蓝环境工程技术有限公司 | Printing and dyeing wastewater treatment and recycling system |
| CN104402167A (en) * | 2014-10-20 | 2015-03-11 | 上海绿澄环保科技有限公司 | Printing and dyeing wastewater biochemical treatment method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249700A (en) * | 2018-01-19 | 2018-07-06 | 嘉兴市七洲漂染有限公司 | The Dyeing Wastewater Treatment technique of Dyeing Wastewater Treatment system and the application system |
| CN108249700B (en) * | 2018-01-19 | 2020-11-10 | 嘉兴市七洲漂染有限公司 | Bleaching and dyeing wastewater treatment system and bleaching and dyeing wastewater treatment process applying same |
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Application publication date: 20151216 |
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