CN201817360U - EPS waste water treatment system - Google Patents
EPS waste water treatment system Download PDFInfo
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- CN201817360U CN201817360U CN2010205488536U CN201020548853U CN201817360U CN 201817360 U CN201817360 U CN 201817360U CN 2010205488536 U CN2010205488536 U CN 2010205488536U CN 201020548853 U CN201020548853 U CN 201020548853U CN 201817360 U CN201817360 U CN 201817360U
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Abstract
The utility model belongs to the field of environmental friendliness, and discloses an expandable polystyrene (EPS) waste water treatment system. The system comprises a primary sedimentation tank group, a regulation tank, an anaerobic tank, a contact oxidation tank, a medium sedimentation tank, an intermediate tank, a concrete sedimentation tower, a recycled water reuse tank and a drainage tank. In the system, the conventional mature waste water treatment equipment is optimally assembled and improved again, the process is simple and has good effect of removing organic substances, suspended solids and phosphor on the premise that reverse osmosis membrane treatment equipment is not used, so that the problem of advanced EPS waste water treatment is effectively solved, the waste water recycling reaches 50 percent, contents of chemical oxygen demand (COD), biochemical oxygen demand (BOD), suspended solids (SS), phosphor and the like in the reclaimed water achieve the reused water recycling standard in the EPS industry, the conflict between enterprise development and pollutant emission is solved, and the targets of saving energy and reducing emission of the enterprise are realized; and the whole set of the sewage treatment system has low investment cost, and the operation cost for treating 1 ton waste water per time only requires 2 RMB and is one third that of the conventional printing and dying industry wastewater reuse process.
Description
Technical field
The invention belongs to the environmental protection field, relate to a kind of EPS Waste Water Treatment.
Background technology
EPS (Expandable Polystyrene (EPS)) common name polystyrene and styrene based copolymer are the mixtures of a kind of resin and physical foaming agent and other additive.EPS can be used to make various goods such as disposable beverage cup, endergonic automobile with vibroshock or lagging material.In the polystyrene production process, can produce a large amount of waste water, comprise and produce mother liquor and polystyrene particle wash-down water, in the waste water based on anionic surfactant sodium dodecylbenzene sulfonate (LAS), and contain little fat family organism and styrene monomer, wastewater biodegradability is poor, has certain toxicity.If be discharged in the water body, will all produce serious influence to water body environment and the healthy of the mankind without effectively handling.
Along with the appearance of national energy-saving and emission-reduction relevant policies, each blowdown enterprise quantity of wastewater effluent all there is clear and definite restriction, directly translate into increasing substantially to enterprise's water supply, draining quantitative limitation and water supply, effluent charge.Consider that from the angle of enterprise self enterprise will develop and will expand the scale of production, but expands the scale of production, must cause blowdown to increase.Therefore the advanced treatment and the reuse that solve the EPS factory effluent have also become the unique channel that enterprise continues development.
On June 23rd, 2010, disclosed application number was that 200810235447.1 Chinese invention patent application discloses " a kind of expandable polystyrene waste water recycling technology ", EPS waste water successively passes through pre-treatment, neutralization reaction, coagulating sedimentation, anaerobic treatment, aerobic treatment, MBR system and RO system in this technology, and final outflow water can reach the water quality controlling index of " reuse of wastewater engineering design standard " reuse water in (GB50335-2002) as cooling water.But, used the investment of membrane bioreactor (MBR) and RO system big in this technology, operation cost is higher, and in 1 ton of waste water of every processing, operation cost needs 5～6 yuan.
The utility model content
The purpose of this utility model is the above-mentioned deficiency at prior art, and a kind of EPS Waste Water Treatment is provided
The purpose of this utility model is achieved through the following technical solutions:
A kind of EPS Waste Water Treatment, this system comprises the primary clarifier group, equalizing tank, anaerobic pond, contact-oxidation pool, medium sediment pool, middle pond, the coagulating sedimentation tower, middle water reuse tank, the discharging pond, primary clarifier group water intake links to each other with EPS factory effluent drainage pipeline, primary clarifier group wastewater effluent mouth links to each other with the equalizing tank water-in, the equalizing tank water outlet links to each other with the anaerobic pond water-in, the anaerobic pond water outlet links to each other with one-level contact-oxidation pool water-in, one-level contact-oxidation pool water outlet links to each other with discharging pond water-in with two-stage biological contact oxidation pond water-in respectively, two-stage biological contact oxidation pond water outlet links to each other with the second pond water-in, the second pond water outlet links to each other with middle pond water-in, middle pond water outlet links to each other with coagulating sedimentation tower water-in, coagulating sedimentation tower water outlet links to each other with middle water reuse tank water-in, the one-level contact-oxidation pool, medium sediment pool and second pond are equipped with sludge outlet, and described sludge outlet links to each other with sludge sump; Above-mentioned all mode of connection are pipe connection.
Wherein, described primary clarifier group is composed in series by pipeline by vibratory screening apparatus, vertical sedimentation tank, horizontal sedimentation tank, mixed flow reaction tank and radial-flow sedimentation tank successively.
Described vertical sedimentation tank and horizontal sedimentation tank bottom are equipped with sludge outlet, and described sludge outlet links to each other with the acid sludge pond by pipeline.
Described radial-flow sedimentation tank bottom is provided with sludge outlet, and described sludge outlet links to each other with the alkaline sludge pond by pipeline.
Described anaerobic pond is a pulse anaerobic reactor.
The beneficial effects of the utility model:
1, the utility model is optimized combination again to existing sophisticated sewage treatment equipment and improves, technical process is simple, under the situation of not using reverse osmosis membrane processing equipment, have good organism, suspended substance and phosphorus removal effect, efficiently solve the waste water advanced handling problem of EPS, waste water recycling reaches 50%, COD, BOD, SS, phosphorus content etc. all reach water reuse standard in the EPS industry in the reuse water quality, solve the contradiction between enterprise development and the pollutant emission, realized the target for energy-saving and emission-reduction of enterprise; And the cost of investment of a whole set of Sewage treatment systems of the utility model is low, and operation cost only needs 2 yuan by 1 ton of waste water of every processing, is 1/3 of existing printing-dying wastewater recycling technology.
2, the utility model adopts pulse anaerobic reactor to replace existing anaerobic reation pool, pulse anaerobic reactor has need not use filler, do not have suspended substance to stop up, can not produce sludge bulking, stable, cost of investment lacks 20～30% than reactor of the same type, saves the advantage of power 80%～90%.
Description of drawings
Fig. 1 embodiment 1 Sewage treatment systems.
1 is vibratory screening apparatus, and 2 is vertical sedimentation tank, and 3 is horizontal sedimentation tank, and 4 is coagulation reaction tank, 5 is radial-flow sedimentation tank, and 6 is equalizing tank, and 7 is pulse anaerobic reactor, and 8 is the one-level contact-oxidation pool, 9 is medium sediment pool, and 10 is the two-stage biological contact oxidation pond, and 11 is second pond, and 12 is middle pond, 13 is the coagulating sedimentation tower, and 14 is middle water reuse tank, and 15 are the discharging pond, 16 is sludge sump, 17 alkaline sludge ponds, and 18 is plate-and-frame filter press, 19 is the filtrate collection pond, and 20 is the acid sludge pond, and 21 is plate-and-frame filter press.
Solid line is the sewage trend among the figure, and dotted line is the mud trend.
Embodiment
Embodiment 1
A kind of EPS Waste Water Treatment, this system comprises primary clarifier group, equalizing tank 6, pulse anaerobic reactor 7, contact-oxidation pool, medium sediment pool 9, middle pond 12, coagulating sedimentation tower 13, middle water reuse tank 14, discharging pond 15.Described primary clarifier group is composed in series by pipeline by vibratory screening apparatus 1, vertical sedimentation tank 2, horizontal sedimentation tank 3, mixed flow reaction tank 4 and radial-flow sedimentation tank 5 successively.
Vibratory screening apparatus 1 water-in links to each other with EPS factory effluent drainage pipeline, the water outlet of vibratory screening apparatus 1 links to each other with vertical sedimentation tank 2 water-ins, vertical sedimentation tank 2 water outlets link to each other with horizontal sedimentation tank 3 water-ins, horizontal sedimentation tank 3 water outlets link to each other with coagulation reaction tank 4 water-ins, and coagulation reaction tank 4 water outlets link to each other with radial-flow sedimentation tank 5 water-ins.5 water outlets link to each other with equalizing tank 6 water-ins, equalizing tank 6 water outlets link to each other with pulse anaerobic reactor 7 water-ins, pulse anaerobic reactor 7 water outlets link to each other with one-level contact-oxidation pool 8 water-ins, one-level contact-oxidation pool 8 water outlets link to each other with medium sediment pool 9 water-ins, medium sediment pool 9 water outlets link to each other with discharging pond 15 water-ins with two-stage biological contact oxidation pond 10 water-ins respectively, two-stage biological contact oxidation pond 10 water outlets link to each other with second pond 11 water-ins, second pond 11 water outlets link to each other with middle pond 12 water-ins, middle pond 12 water outlets link to each other with coagulating sedimentation tower 13 water-ins, and coagulating sedimentation tower 13 water outlets link to each other with middle water reuse tank 14 water-ins.
Radial-flow sedimentation tank 5 bottoms are provided with sludge outlet, link to each other with the mud inlet in alkaline sludge pond 17 by pipeline.The sludge outlet in alkaline sludge pond 17 links to each other with the mud inlet of plate-and-frame filter press 21 by the press filtration dedicated pump, and plate-and-frame filter press 18 gained mud efflux, and the filtrate outlet of plate-and-frame filter press 18 links to each other with the filtrate inlet in filtrate collection pond 19.Filtrate collection pond 19 also is provided with filtrate outlet, arrives the water-in of coagulation reaction tank 4 by filtrate lift pump and pipe connection.
One-level contact-oxidation pool 8, medium sediment pool 9 and second pond 11 are equipped with sludge outlet, and described sludge outlet links to each other with sludge sump 16.
Above-mentioned all mode of connection are pipe connection.
The workflow brief introduction: than macroparticle, flow through successively vertical sedimentation tank, horizontal sedimentation tank, coagulation reaction tank, radial-flow sedimentation tank of water outlet carries out preliminary sedimentation to the draining of EPS raw wastewater station, removes about 30% BOD through the vibratory screening apparatus filtered and recycled
5With 55% suspended substance.The radial-flow sedimentation tank water outlet is flowed through after equalizing tank regulates water quality and quantity, is promoted by lift pump and enters pulse anaerobic reactor, carries out anaerobic biological and handles, and to improve the biodegradability of EPS waste water, removes a part of biodegradable organic compounds simultaneously.The anaerobic treatment water outlet enters the one-level contact-oxidation pool and carries out the aerobe processing, play the denitrification denitrogenation effect simultaneously, the water outlet of one-level contact-oxidation pool enters the medium sediment pool precipitation, the medium sediment pool water outlet has reached emission standard, can enter the discharging pond by pipeline, and then enter blow-off line, also can enter the two-stage biological contact oxidation pond and carry out the aerobe processing once more through pipeline, the water outlet of two-stage biological contact oxidation pond is flowed through behind the middle pond, enter the coagulating sedimentation tower by the sewage pump lifting, by in tower, adding PAM, but PAC further removes the middle water that suspended substance promptly gets reuse, and the water outlet of coagulating sedimentation tower enters middle water reuse tank, uses for other process sections.
The native system water quality treatment is as shown in table 1, the reuse water water quality that obtains of this technology not only reaches the water quality controlling index of " reuse of wastewater engineering design standard " reuse water in (GB50335-2002) as cooling water as seen from Table 1, and the COD of reuse water
cAnd phosphorus content is well below the requirement of GB.
Table 1
Embodiment recited above is described preferred implementation of the present utility model; be not that design of the present utility model and scope are limited; do not breaking away under the utility model design concept prerequisite; common engineering technical personnel make the technical solution of the utility model in this area various modification and improvement; all should fall into protection domain of the present utility model, the technology contents that the utility model is asked for protection all is documented in claims.
Claims (5)
1. EPS Waste Water Treatment, this system comprises the primary clarifier group, equalizing tank (6), anaerobic pond (7), contact-oxidation pool, medium sediment pool (9), middle pond (12), coagulating sedimentation tower (13), middle water reuse tank (14), discharging pond (15), it is characterized in that primary clarifier group water intake links to each other with EPS factory effluent drainage pipeline, primary clarifier group wastewater effluent mouth links to each other with equalizing tank (6) water-in, equalizing tank (6) water outlet links to each other with anaerobic pond (7) water-in, anaerobic pond (7) water outlet links to each other with one-level contact-oxidation pool (8) water-in, one-level contact-oxidation pool (8) water outlet links to each other with medium sediment pool (9) water-in, medium sediment pool (9) water outlet links to each other with discharging pond (15) water-in with two-stage biological contact oxidation pond (8) water-in respectively, two-stage biological contact oxidation pond (8) water outlet links to each other with second pond (11) water-in, second pond (11) water outlet links to each other with middle pond (12) water-in, middle pond (12) water outlet links to each other with coagulating sedimentation tower (13) water-in, coagulating sedimentation tower (13) water outlet links to each other one-level contact-oxidation pool (8) with middle water reuse tank (14) water-in, medium sediment pool (9) and second pond (11) are equipped with the sludge outlet that links to each other with sludge sump (16); Above-mentioned all mode of connection are pipe connection.
2. EPS Waste Water Treatment according to claim 1 is characterized in that described primary clarifier group is composed in series by pipeline by vibratory screening apparatus (1), vertical sedimentation tank (2), horizontal sedimentation tank (3), coagulation reaction tank (4) and radial-flow sedimentation tank (5) successively.
3. EPS Waste Water Treatment according to claim 2 is characterized in that described vertical sedimentation tank (2) and horizontal sedimentation tank (3) bottom is equipped with sludge outlet, and described sludge outlet links to each other with acid sludge pond (20) by pipeline.
4. EPS Waste Water Treatment according to claim 2 is characterized in that described radial-flow sedimentation tank (5) bottom is provided with sludge outlet, and described sludge outlet links to each other with alkaline sludge pond (17) by pipeline.
5. EPS Waste Water Treatment according to claim 1 is characterized in that described anaerobic pond (7) is a pulse anaerobic reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205488536U CN201817360U (en) | 2010-09-27 | 2010-09-27 | EPS waste water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205488536U CN201817360U (en) | 2010-09-27 | 2010-09-27 | EPS waste water treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN201817360U true CN201817360U (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205488536U Expired - Fee Related CN201817360U (en) | 2010-09-27 | 2010-09-27 | EPS waste water treatment system |
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| CN (1) | CN201817360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787968A (en) * | 2015-04-03 | 2015-07-22 | 常州大学 | Aureomycin waste water treatment system |
-
2010
- 2010-09-27 CN CN2010205488536U patent/CN201817360U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787968A (en) * | 2015-04-03 | 2015-07-22 | 常州大学 | Aureomycin waste water treatment system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Qinghan Environmental Protection Technology Co.,Ltd. Assignor: Shao Zhijun Contract record no.: 2012320010083 Denomination of utility model: EPS(Expanded Poly Styrol) wastewater treatment system Granted publication date: 20110504 License type: Exclusive License Record date: 20120510 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20130927 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Qinghan Environmental Protection Technology Co.,Ltd. Assignor: Shao Zhijun Contract record no.: 2012320010083 Denomination of utility model: EPS(Expanded Poly Styrol) wastewater treatment system Granted publication date: 20110504 License type: Exclusive License Record date: 20120510 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model |