CN103523958A - High-concentration spinning oil wastewater pretreatment system - Google Patents
High-concentration spinning oil wastewater pretreatment system Download PDFInfo
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- CN103523958A CN103523958A CN201310475321.2A CN201310475321A CN103523958A CN 103523958 A CN103523958 A CN 103523958A CN 201310475321 A CN201310475321 A CN 201310475321A CN 103523958 A CN103523958 A CN 103523958A
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- pool
- pretreatment system
- spinning oil
- wastewater pretreatment
- concentration spinning
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Abstract
The invention relates to a sewage treatment device, and discloses a high-concentration spinning oil wastewater pretreatment system. The high-concentration spinning oil wastewater pretreatment system comprises successively connected a water collection pool, an oil separation pool, a Fenton reaction pool, a neutralization pool, a sedimentation pool A, a coagulation pool, a sedimentation pool B and a clean water pool. According to the high-concentration spinning oil wastewater pretreatment system, oil contamination and organic matters in wastewater can be greatly reduced, the pretreatment COD (chemical oxygen demand) removal rate can reach above 70%, and outlet water has little effects on the comprehensive sewage treatment system.
Description
Technical field
The present invention relates to a kind for the treatment of unit of sewage.
Background technology
With polyester device, produce fiber-grade polyester melt and section 300,000 t per year, melt direct spinning filament plant is produced polyester filament 300,000 t per year.For polyester production device, generally can have composite wastewater treatment plant, adopt UASB+ biological contact oxidation pond+ultrafiltration+reverse osmosis process to process and reuse water outlet.In spinning process, use spinning oil and produce waste water, this spin finish effluent intermittent type is discharged.Although spin finish effluent amount is few, the very high concentrations of its COD.
Summary of the invention
The present invention aims to provide and a kind ofly can reduce greasy dirt and organic high density spinning finish waste water pretreatment system in waste water.
High density spinning finish waste water pretreatment system of the present invention, by the water collecting basin being connected successively, oil trap, Fenton reaction tank, neutralization tank, settling tank A, coagulation basin, settling tank B and clean water basin form.
Preferably, settling tank A, coagulation basin is all connected with sludge sump with settling tank B, and described sludge sump is also connected with pressure filter.
The present invention can significantly subdue greasy dirt and the organism in waste water, and pre-treatment COD clearance can be reached more than 70%, and water outlet is very micro-for comprehensive sewage treatment system impact.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Embodiment mono-
The spinning finish waste water day quantity discharged of simulated enterprise is about 35m
3/ d, considers certain surplus, and therefore, design wastewater treatment scale is 48m
3/ d.
The spin finish effluent that this enterprise's production plant produces all adopts 1m
3plastic tank splendid attire, the spin finish effluent of barreled is transported and the water collecting basin of falling people by forklift; In water collecting basin, adopt pneumatic blending, guarantee that in water collecting basin, spin finish effluent can mix fully, after by lift pump, send into oil trap, by oil wiper by the oil slick separated and collected of bubbling through the water column; Waste water after oil removal is from flowing into Fenton reaction tank, hydrogen peroxide, ferrous sulfate are quantitatively fed by volume pump simultaneously, under the mixing effect of agitator, react, and Fenton reaction destroys the charge balance of emulsifying agent, organic molecule is assembled mutually, improved the hydrophobicity of organic assembly; Reacted waste water is from flowing into neutralization tank, and volume pump feeds alkali lye automatic ration and guarantees that pH is neutral, and now, ferric ion changes throw out into and flocks together and form the flco that density is larger with organic flco, presents redness on sense organ; Subsequently from person who lives in exile's settling tank A (vertical sedimentation basin).Mud after solid-liquid separation is regularly sent into sludge sump by sludge pump; Because mud amount is very large, primary sedimentation poor effect, the water outlet after solid-liquid separation flows into follow-up coagulation reaction tank, now, polymerize aluminum chloride PAC and polyacrylamide are quantitatively given people's coagulation reaction tank by volume pump, and the flco that reaction produces is through settling tank B (inclined-plate clarifying basin) solid-liquid separation.Supernatant liquor is from flowing into clean water basin and further processing through the make a gift to someone composite wastewater treatment plant of enterprise of lift pump.
Claims (2)
1. high density spinning finish waste water pretreatment system, is characterized in that by the water collecting basin being connected successively, oil trap, and Fenton reaction tank, neutralization tank, settling tank A, coagulation basin, settling tank B and clean water basin form.
2. high density spinning finish waste water pretreatment system as claimed in claim 1, is characterized in that settling tank A, and coagulation basin is all connected with sludge sump with settling tank B, and described sludge sump is also connected with pressure filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310475321.2A CN103523958A (en) | 2013-10-13 | 2013-10-13 | High-concentration spinning oil wastewater pretreatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310475321.2A CN103523958A (en) | 2013-10-13 | 2013-10-13 | High-concentration spinning oil wastewater pretreatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103523958A true CN103523958A (en) | 2014-01-22 |
Family
ID=49926378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310475321.2A Pending CN103523958A (en) | 2013-10-13 | 2013-10-13 | High-concentration spinning oil wastewater pretreatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103523958A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186551A (en) * | 2016-08-25 | 2016-12-07 | 常州市锦云工业废弃物处理有限公司 | A kind of multipurpose wastewater treatment equipment processing equipment |
| CN114031217A (en) * | 2021-11-24 | 2022-02-11 | 中复神鹰碳纤维股份有限公司 | Method for rapidly treating waste oil agent for carbon fiber spinning |
-
2013
- 2013-10-13 CN CN201310475321.2A patent/CN103523958A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186551A (en) * | 2016-08-25 | 2016-12-07 | 常州市锦云工业废弃物处理有限公司 | A kind of multipurpose wastewater treatment equipment processing equipment |
| CN114031217A (en) * | 2021-11-24 | 2022-02-11 | 中复神鹰碳纤维股份有限公司 | Method for rapidly treating waste oil agent for carbon fiber spinning |
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