CN204874204U - Chloroprene rubber effluent disposal system - Google Patents
Chloroprene rubber effluent disposal system Download PDFInfo
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- CN204874204U CN204874204U CN201520576552.7U CN201520576552U CN204874204U CN 204874204 U CN204874204 U CN 204874204U CN 201520576552 U CN201520576552 U CN 201520576552U CN 204874204 U CN204874204 U CN 204874204U
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Abstract
The utility model discloses a chloroprene rubber effluent disposal system, its characterized in that: including the equalizing basin that exposes to the sun in advance that connects gradually, just sink pond, biological selector, PACT aerobic reaction pond, one -level no. 2 sink ponds, contact oxidation tank, second grade no. 2 sink ponds, BAC tower, sink pond and clean water basin eventually, it all is equipped with aeration equipment in equalizing basin, biological selector, PACT aerobic reaction pond, the contact oxidation tank to expose to the sun in advance, the mud in ponds is sunk respectively through sludge pump the flow back biological selector and the equalizing basin that exposes to the sun in advance to one -level no. 2. The utility model discloses process flow is simple, and construction cost is low, and the equipment working costs is low, and through handling the back, waste water can reach the one -level standard in " emission standard is synthesized to sewage " (GB8978 -1996) table 2, and outlet stabilization of water quality is effective chloroprene rubber effluent disposal system.
Description
Technical field
The utility model relates to a kind of method of wastewater treatment, particularly a kind of neoprene wastewater treatment system.
Background technology
Chloroprene rubber is polymerized by chloroprene the synthetic rubber made, and has the over-all properties that oil resistant, resistance to combustion, resistance to oxidation and resistance to ozone etc. are good, obtains widespread use.The production method of current domestic chloroprene rubber mainly contains carbide acetylene method and butadiene process, and carbide acetylene method is extensively adopted because of its less investment.This production system factory effluent is mainly from washing glue and producing the waste water produced in vinylacetylene and chloroprene process, containing a large amount of organic substances being difficult to degrade, as benzene homologues, dispersion agent, milk coagulant etc., in waste water, COD is high, a kind of seriously polluted, the great trade effluent of intractability.
Utility model content
For existing problem, the purpose of this utility model is to provide a kind of neoprene wastewater treatment system, processed waste water energy qualified discharge.
To achieve these goals, the technical solution of the utility model is: a kind of neoprene wastewater treatment system, it is characterized in that: comprise meat food processing pond, preliminary sedimentation tank, biological selector, PACT aerobic reaction pond, one-level second pond, contact-oxidation pool, secondary second pond, BAC tower, final deposition pool and clean water basin, the described water outlet in meat food processing pond is connected with the water-in of preliminary sedimentation tank, the water outlet of described preliminary sedimentation tank is connected with the water-in of biological selector, the outlet of described biological selector is connected with the water-in in PACT aerobic reaction pond, the water outlet in described PACT aerobic reaction pond is connected with the import of one-level second pond, the water outlet of described one-level second pond is connected with contact-oxidation pool, the water outlet of described contact-oxidation pool is connected with secondary second pond water-in, the water outlet of described secondary second pond is connected with the water-in of BAC tower by lifting pond or lift pump, the described water outlet of BAC tower is connected with the water-in of final deposition pool, the water outlet of described final deposition pool is connected with clean water basin,
Be equipped with aerating apparatus in described meat food processing pond, biological selector, PACT aerobic reaction pond, contact-oxidation pool, the mud of described one-level second pond is back to biological selector and meat food processing pond respectively by sludge pump.
Preferred: described clean water basin are connected with the back-flushing import of BAC tower by recoil pump, the buffered water water outlet of described BAC tower is connected with recoil back pool, and recoil back pool is connected with meat food processing pond.
Preferred: also to comprise collection mud sump, the mud of described preliminary sedimentation tank, secondary second pond and final deposition pool enters collection mud sump, is pressed into pressure filter by pump for pressure filter.
Waste water enters meat food processing pond, the active sludge (as flocculation agent) of one-level second pond and appropriate milk of lime is dropped at preaeration equalizing tank, simultaneously by aerating apparatus aeration agitation, deposit in preaeration equalizing tank to prevent suspended substance, through regulating water quality and pH value (pH value controls between 8-8.5), and pass through aeration, after reducing partial reductive material, waste water pumps into preliminary sedimentation tank through promoting, by the throwing out of active sludge, make the not biodegradable organism precipitation of most suspended substances and cupric ion and part, realize pulp water to be separated, thus the pollution load in reduction waste water.
Waste water is after precipitation from flowing to biological selector, the sewage entering biological selector contacts in this mixing with the active sludge from one-level second pond internal reflux, according to the rule of activated sludge populations composition, under biocatalysis (solid-phase catalyst) effect, create suitable microorganism growth condition, and select flocculence bacterium, make full use of the quick adsorption effect of active sludge, accelerate the removal to dissolved organic matter, good hydrolytic action is played to hardly degraded organic substance simultaneously.
Biological selector water outlet enters PACT aerobic reaction pond, waste water is under aerobic condition, by adding Powdered Activated Carbon, absorption and biological degradation are carried out simultaneously, indissoluble thing is converted into solvend, be the easy degradation material of small molecules by polymer hard-degraded substance (as amine, heterogeneous ring compound etc.) chain rupture, realize biological degradation, thus reduce the organic pollutant in waste water.
The pond water outlet of PACT aerobic reaction, from flowing into one-level second pond, after realizing mud-water separation, enters biological contact oxidation pond.
Waste water is from flowing to biological contact oxidation pond, and in contact-oxidation pool, be equiped with biologic packing material, at the bottom of pond, aerating apparatus oxygenation, aerobic biologic membrane cultivated by filler, utilizes the vital movement of microorganism in microbial film to carry out the organic pollutant in oxygenolysis waste water.Contact-oxidation pool water outlet enters secondary second pond, and with the aging microbial film chip come off of precipitate and separate, secondary secondary clarifier effluent enters biological activated carbon pond.
Waste water enters biological activated carbon pond (also claiming BAC tower), utilize the absorption of gac and the catabolism effect of microorganism, to remove the COD of remaining bio-refractory and colourity etc., waste water is purified, the water outlet of charcoal pond enters final deposition pool, after mud-water separation, enter clean water basin, standard water discharge is discharged.System of the present utility model does not comprise the process to carbide slag supernatant fluid.
The beneficial effects of the utility model are: the utility model technical process is simple, construction cost is low, equipment working cost is low, after treatment, primary standard in waste water energy reaches " integrated wastewater discharge standard " (GB8978-1996) table 2, water port water conditioning is effective neoprene wastewater treatment system.
Accompanying drawing explanation
Fig. 1 is process flow sheet of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
Embodiment 1
Neoprene wastewater treatment system of the present utility model is made up of meat food processing pond 1, preliminary sedimentation tank 2, biological selector 3, PACT aerobic reaction pond 4, one-level second pond 5, contact-oxidation pool 6, secondary second pond 7, lifting pond or the parts such as lift pump 8, BAC tower 9, final deposition pool 10, clean water basin 11, recoil pump 12, recoil back pool 13, collection mud sump 14, pump for pressure filter 15 and pressure filter 16.
The water outlet in meat food processing pond 1 is connected with the water-in of preliminary sedimentation tank 2, the water outlet of described preliminary sedimentation tank 2 is connected with the water-in of biological selector 3, the outlet of described biological selector 3 is connected with the water-in in PACT aerobic reaction pond 4, the water outlet in described PACT aerobic reaction pond 4 is connected with one-level second pond 5 import, the water outlet of described one-level second pond 5 is connected with contact-oxidation pool 6, the water outlet of described contact-oxidation pool 6 is connected with secondary second pond 7 water-in, the water outlet of described secondary second pond 7 is connected with the water-in of BAC tower 9 by deduction pond or lift pump 8, the water outlet of described BAC tower 9 is connected with the water-in of final deposition pool 10, the water outlet of described final deposition pool 10 is connected with clean water basin 11,
Be equipped with aerating apparatus in meat food processing pond 1, biological selector 3, PACT aerobic reaction pond 4, contact-oxidation pool 6, the mud of described one-level second pond 5 is back to biological selector 3 and meat food processing pond 1 respectively by sludge pump.
Clear water in described clean water basin 11 is connected with the back-flushing import of BAC tower 9 by recoil pump 12, and the buffered water water outlet of described BAC tower 9 is connected with recoil back pool 13, and recoil back pool 13 is connected with meat food processing pond 1 by recoil back water pump 17.
The mud of preliminary sedimentation tank 2, secondary second pond 7 and final deposition pool 10 enters collection mud sump 14, is then pressed into pressure filter 16 by pump for pressure filter 15.
Waste water after pretreatment enters meat food processing pond 1, pre-treatment comprises and separates oil through sediment and oil removal, the excess sludge of one-level second pond 5 and appropriate milk of lime is dropped at preaeration equalizing tank 1, pass into pressurized air simultaneously and stir (pressurized air enters aerating apparatus and carries out aeration agitation), deposit in preaeration equalizing tank to prevent suspended substance, through regulating water quality and pH value (pH value controls between 8-8.5), after reducing partial reductive material.
Waste water pumps into preliminary sedimentation tank 2 through promoting, the throwing out of the active sludge refluxed by one-level second pond 5, makes the not biodegradable organism precipitation of most suspended substances and cupric ion and part, realizes pulp water and be separated, thus reduce the pollution load in waste water.
Waste water is after precipitation from flowing to biological selector 3, biological selector 3 is conventional a kind of measures preventing sludge bulking, inside is filled with solid phase biological catalytic filler, waste water can be made to generate a large amount of active substances, improve the biodegradability of waste water, and generate the floss with strong adsorptive power, thus improve the settling property of mud.This is prior art, and therefore not to repeat here.The sewage entering biological selector 3 contacts in this mixing with the active sludge refluxed from one-level second pond 5, according to the rule of activated sludge populations composition, under biocatalysis (solid-phase catalyst) effect, create suitable microorganism growth condition, and select flocculence bacterium, make full use of the quick adsorption effect of active sludge, accelerate the removal to dissolved organic matter, good hydrolytic action is played to hardly degraded organic substance, total hydraulic retention 1h simultaneously.
It is the synergy flow process adding powdered carbon in activated sludge process flow process that biological selector 3 water outlet enters PACT aerobic reaction pond 4, PACT.The amount of Powdered Activated Carbon is 50-100g/L.PACT has had many advantages compared with traditional active sludge, is summarized as follows:
A), make that PACT system specific activity mud is timid can have larger sludge loading.
B), the high absorption capacity of gac is cushioned the impact that toxicant and load impact bring microorganism.
C), the existence of powdered carbon makes aerobic environment be improved, and improves oxygen utilization rate.
PACT system charging capacity is very little, and the working cost of increase is very low.
Waste water is under aerobic condition, by adding Powdered Activated Carbon, absorption and biological degradation are carried out simultaneously, indissoluble thing is converted into solvend, be the easy degradation material of small molecules by polymer hard-degraded substance (as amine, heterogeneous ring compound etc.) chain rupture, realize biological degradation, thus reduce the organic pollutant in waste water.
Pond 4 water outlet of PACT aerobic reaction, from flowing into one-level second pond 5, after realizing mud-water separation, enters biological contact oxidation pond 6.
Waste water is from flowing to biological contact oxidation pond 6, and in contact-oxidation pool 6, be equiped with biologic packing material, at the bottom of pond, aerating apparatus oxygenation, aerobic biologic membrane cultivated by filler, and this is prior art, does not repeat at this.The vital movement of microorganism in microbial film is utilized to carry out the organic pollutant in oxygenolysis waste water.
Contact-oxidation pool 6 water outlet enters secondary second pond 7, and with the aging microbial film chip come off of precipitate and separate, secondary second pond 7 water outlet enters biological activated carbon pond.
Waste water enters biological activated carbon pond (also claiming BAC tower 9), utilize the absorption of gac and the catabolism effect of microorganism, to remove the COD of remaining bio-refractory and colourity etc., waste water is purified, the water outlet of charcoal pond enters final deposition pool 10, after mud-water separation, enter clean water basin 11, standard water discharge is discharged.
The back-flushing of BAC tower 9, gets back to preaeration equalizing tank 1 through lift pump.
Primary standard in " integrated wastewater discharge standard " (GB8978-1996) table 2, namely the utility model needs the emission standard that reaches.
Table 1 emission limit
| Pollutent | Index |
| PH value | 6∽9 |
| SS(mg/L) | 70 |
| COD(mg/L) | 100 |
| Petroleum-type (mg/L) | 10 |
| Ammonia nitrogen (mg/L) | 15 |
| Total copper (mg/L) | 0.5 |
We detect for continuous two months in discharge outlet sampling, find that water outlet can stably reaching standard discharge.This system is effective treatment process to neoprene wastewater.
The utility model is not limited to above-described embodiment, should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technician in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (3)
1. a neoprene wastewater treatment system, it is characterized in that: comprise meat food processing pond, preliminary sedimentation tank, biological selector, PACT aerobic reaction pond, one-level second pond, contact-oxidation pool, secondary second pond, BAC tower, final deposition pool and clean water basin, the described water outlet in meat food processing pond is connected with the water-in of preliminary sedimentation tank, the water outlet of described preliminary sedimentation tank is connected with the water-in of biological selector, the outlet of described biological selector is connected with the water-in in PACT aerobic reaction pond, the water outlet in described PACT aerobic reaction pond is connected with the import of one-level second pond, the water outlet of described one-level second pond is connected with contact-oxidation pool, the water outlet of described contact-oxidation pool is connected with secondary second pond water-in, the water outlet of described secondary second pond is connected with the water-in of BAC tower by lifting pond or lift pump, the described water outlet of BAC tower is connected with the water-in of final deposition pool, the water outlet of described final deposition pool is connected with clean water basin,
Be equipped with aerating apparatus in described meat food processing pond, biological selector, PACT aerobic reaction pond, contact-oxidation pool, the mud of described one-level second pond is back to biological selector and meat food processing pond respectively by sludge pump.
2. neoprene wastewater treatment system according to claim 1, it is characterized in that: described clean water basin are connected with the back-flushing import of BAC tower by recoil pump, the buffered water water outlet of described BAC tower is connected with recoil back pool, and recoil back pool is connected with meat food processing pond.
3. neoprene wastewater treatment system according to claim 1 or 2, is characterized in that: also comprise collection mud sump, the mud of described preliminary sedimentation tank, secondary second pond and final deposition pool enters collection mud sump, carries out press filtration by pump for pressure filter press-in pressure filter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520576552.7U CN204874204U (en) | 2015-08-04 | 2015-08-04 | Chloroprene rubber effluent disposal system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520576552.7U CN204874204U (en) | 2015-08-04 | 2015-08-04 | Chloroprene rubber effluent disposal system |
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| CN204874204U true CN204874204U (en) | 2015-12-16 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106430698A (en) * | 2016-08-03 | 2017-02-22 | 张海棠 | Special water purifying agent for chloroprene rubber production and wastewater treatment method |
| CN111320340A (en) * | 2019-12-25 | 2020-06-23 | 上海在田环境科技有限公司 | Bioreactor for treating garbage transfer station pressed leachate |
| CN111333281A (en) * | 2019-12-25 | 2020-06-26 | 上海在田环境科技有限公司 | Integrated sewage treatment device and treatment process for garbage transfer station sewage |
-
2015
- 2015-08-04 CN CN201520576552.7U patent/CN204874204U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106430698A (en) * | 2016-08-03 | 2017-02-22 | 张海棠 | Special water purifying agent for chloroprene rubber production and wastewater treatment method |
| CN111320340A (en) * | 2019-12-25 | 2020-06-23 | 上海在田环境科技有限公司 | Bioreactor for treating garbage transfer station pressed leachate |
| CN111333281A (en) * | 2019-12-25 | 2020-06-26 | 上海在田环境科技有限公司 | Integrated sewage treatment device and treatment process for garbage transfer station sewage |
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