CN203582639U - Petrochemical wastewater treatment system - Google Patents
Petrochemical wastewater treatment system Download PDFInfo
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- CN203582639U CN203582639U CN201320663155.4U CN201320663155U CN203582639U CN 203582639 U CN203582639 U CN 203582639U CN 201320663155 U CN201320663155 U CN 201320663155U CN 203582639 U CN203582639 U CN 203582639U
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- greasy filth
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Abstract
The utility model relates to a petrochemical wastewater treatment system. The petrochemical wastewater treatment system comprises a water collecting tank, a homogenizing adjustment tank, an oil removal sedimentation tank, an air flotation tank, a middle water tank I, a hydrolysis acidification tank, a denitrification tank, a deep layer aeration tank, a coagulation air flotation tank, a middle water tank II, an ozone oxidation tank, an air stripping tank, a BAF (biological aerated filter), a mechanical acceleration clarification tank and a clear water tank which are connected to one another through channels or pipelines. The petrochemical engineering wastewater treatment system is simple to operate, high in treatment efficiency, relatively low in investment cost and low in treatment risk of experimental laboratory scale and engineering wastewater.
Description
Technical field
The utility model relates to technical field of waste water processing, relates in particular to a kind for the treatment of system of petrochemical wastewater.
Background technology
Petrochemical wastewater derives from petrochemical process, composition is very complicated, wherein except containing the tens of kinds of inorganicss such as ammonia salt, thiocyanide, sulfide, prussiate, also contain phenols, monocycle and change aromatics more, COD content is high, and some organic pollutants is difficult to degraded, is a kind of typical severe contamination water source ecotope and unmanageable trade effluent.
Petrochemical wastewater is that first kinds of pollution matter kind is many, the high concentrated organic wastewater of complicated component, depends merely on traditional physics and chemistry method and processes, and is often difficult to reach emission standard.So be badly in need of wanting a kind for the treatment of process that can effectively process petrochemical wastewater in field of waste water treatment.At present, for the processing of this waste water, conventionally there are materialization processing, biochemical treatment and advanced treatment.Wherein, materialization is processed and is mainly comprised the methods such as coagulation, chemical precipitation, air supporting, to remove part oil pollutant; Biochemical treatment mainly comprises microbial hydrolytic, biochemical denitrification processing etc.; Deep treatment method mainly contains active carbon adsorption, Ozonation, Wet Catalytic Oxidation Method etc.But at present conventional petrochemical wastewater treatment process design is complicated operation too all, the shortcoming such as the low and cost of investment of processing efficiency is high.
Summary of the invention
The utility model aims to provide a kind of simple to operate, and processing efficiency is high, the treatment system of the petrochemical wastewater that cost of investment is relatively low.
The purpose of this utility model is achieved by following technical proposals:
The treatment system of a kind of petrochemical wastewater described in the utility model, comprises by consisting of channel or connected water collecting basin, homogeneous regulating tank, oil partiting precipitation pool, air flotation pool, 1# intermediate pool, hydrolysis acidification pool, denitrification pond, deep aerating pond, coagulation floatation, 2# intermediate pool, ozone oxidation pond, stripping pond, BAF biochemistry pool, mechanical accelerating purifying pool and the clean water basin of pipeline successively.
Wherein preferably, described homogeneous regulating tank, oil partiting precipitation pool are connected with floating oil collecting pond by pipeline respectively, and floating oil collecting pond is connected with oil slick tank by oil slick transferpump.
Further preferably, described homogeneous regulating tank, oil partiting precipitation pool, air flotation pool are connected with greasy filth pond by pipeline respectively, and greasy filth pond is connected with greasy filth concentration tank by greasy filth transferpump, and greasy filth concentration tank is connected with centrifuge by greasy filth fresh feed pump.
More preferably, described coagulation floatation, mechanical accelerating purifying pool are connected with sludge sump by pipeline respectively, and sludge sump is connected with sludge concentrating pot by sludge delivery pump, and sludge concentrating pot is connected with belt type dewaterer by sewage sludge feed pump.
The technical process of the treatment system of petrochemical wastewater described in the utility model is as follows:
Waste water enters water collecting basin after grid is removed suspended substance, regulates after wastewater pH in water collecting basin, and waste water enters homogeneous regulating tank, regulates the waste water water yield in homogeneous regulating tank, and removes most oil pollutant.The water outlet of homogeneous regulating tank enters oil partiting precipitation pool, and oil partiting precipitation pool water outlet enters air flotation pool, and oil pollutant is further removed in air supporting, for follow-up biochemical reaction provides good condition.Air flotation pool water outlet enters 1# intermediate pool.
Waste water is controlled water temperature at 25 ℃ in 1# intermediate pool, and the water outlet of 1# intermediate pool enters acidication reaction tank, and the acidification reaction that is hydrolyzed, to improve the biodegradability of waste water the partial organic substances of degrading.The water outlet of acidication reaction tank enters denitrification pond, carries out denitrification, nitration reaction is carried out denitrogenation in denitrification pond, and degradation of organic substances simultaneously.The water outlet of denitrification pond enters deep aerating pond, and the water outlet of deep aerating pond enters coagulation floatation, carries out solid-liquid separation.Coagulation floatation water outlet enters 2# intermediate pool.
The water outlet of 2# intermediate pool enters after ozone oxidation pond, stripping pond and BAF biochemistry pool successively, further removes the organic pollutant in waste water, and after mechanical accelerating purifying pool, water outlet enters clean water basin, if water outlet is qualified, and qualified discharge; If water outlet is defective, is back to after #1 intermediate pool or intermediate pool 2 and again processes.
The top oil slick of homogeneous regulating tank, oil partiting precipitation pool pumps into oil slick tank by oil slick transferpump after entering floating oil collecting pond, transports outward processing.
The bottom greasy filth of homogeneous regulating tank, oil partiting precipitation pool, air flotation pool enters greasy filth pond, through greasy filth transferpump, pumps into greasy filth concentration tank, then by greasy filth fresh feed pump, pumps into centrifuge and dewater, and filtrate is to water collecting basin, mud cake outward transport, and sump oil enters slop oil tank.
Coagulation floatation, mechanical accelerating purifying pool mud pump into sludge concentrating pot by sludge delivery pump after entering sludge sump, then by sewage sludge feed pump, pump into belt type dewaterer and dewater, and filtrate is back to water collecting basin, mud cake outward transport.
The treatment system of petrochemical wastewater described in the utility model, has simple to operately, and processing efficiency is high, and cost of investment is relatively low, and the treatment system of processing the petrochemical wastewater that risk is low from experiment lab scale and construction waste water.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model preferred embodiment one.
1, waste water; 2, water collecting basin; 3, homogeneous regulating tank; 4, oil partiting precipitation pool; 5, air flotation pool; 6,1# intermediate pool; 7, hydrolysis acidification pool; 8, denitrification pond; 9, deep aerating pond; 10, coagulation floatation; 11,2# intermediate pool; 12, ozone oxidation pond; 13, stripping pond; 14, BAF biochemistry pool; 15, mechanical accelerating purifying pool; 16, clean water basin; 20, top oil slick; 21, floating oil collecting pond; 22, oil slick pump; 23, oil slick tank; 30, bottom greasy filth; 31, greasy filth pond; 32, greasy filth transferpump; 33, greasy filth concentration tank; 34, greasy filth fresh feed pump; 35, centrifuge; 36, greasy filth tank; 40, mud; 41, sludge sump; 42, sludge delivery pump; 43, sludge concentrating pot; 44, sewage sludge feed pump; 45, belt type dewaterer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in the figure, the treatment system of a kind of petrochemical wastewater of the present utility model, main by forming by channel or connected water collecting basin 2, homogeneous regulating tank 3, oil partiting precipitation pool 4, air flotation pool 5,1# intermediate pool 6, hydrolysis acidification pool 7, denitrification pond 8, deep aerating pond 9, coagulation floatation 10,2# intermediate pool 11, ozone oxidation pond 12, stripping pond 13, BAF biochemistry pool 14, mechanical accelerating purifying pool 15 and the clean water basin 16 of pipeline successively.
Wherein, homogeneous regulating tank 3, oil partiting precipitation pool 4 are connected with floating oil collecting pond 21 by pipeline respectively, and floating oil collecting pond 21 is connected with oil slick tank 23 by oil slick transferpump 22; Homogeneous regulating tank 3, oil partiting precipitation pool 4, air flotation pool 5 are connected with greasy filth pond 31 by pipeline respectively, and greasy filth pond 31 is connected with greasy filth concentration tank 33 by greasy filth transferpump 32, and greasy filth concentration tank 33 is connected with centrifuge 35 by greasy filth fresh feed pump 34; Coagulation floatation 10, mechanical accelerating purifying pool 15 are connected with sludge sump 41 by pipeline respectively, and sludge sump 41 is connected with sludge concentrating pot 43 by sludge delivery pump 42, and sludge concentrating pot 43 is connected with belt type dewaterer 45 by sewage sludge feed pump 44.
Its technical process is as follows:
Waste water 1 enters water collecting basin 2 after grid is removed suspended substance, and after the interior adjusting wastewater pH of water collecting basin 2, waste water enters homogeneous regulating tank 3, regulates the waste water water yield in homogeneous regulating tank 3, and removes most oil pollutant.3 water outlets of homogeneous regulating tank enter oil partiting precipitation pool 4, and oil partiting precipitation pool 4 water outlets enter air flotation pool 5, and oil pollutant is further removed in air supporting, for follow-up biochemical reaction provides good condition.Air flotation pool 5 water outlets enter 1# intermediate pool 6.
Waste water is controlled water temperature at 25 ℃ in 1# intermediate pool 6, and 6 water outlets of 1# intermediate pool enter acidication reaction tank 7, and the acidification reaction that is hydrolyzed, to improve the biodegradability of waste water the partial organic substances of degrading.7 water outlets of acidication reaction tank enter denitrification pond 8, carry out denitrification, nitration reaction is carried out denitrogenation in denitrification pond 8, and degradation of organic substances simultaneously.8 water outlets of denitrification pond enter deep aerating pond 9, and 9 water outlets of deep aerating pond enter coagulation floatation 10, carry out solid-liquid separation.Coagulation floatation 10 water outlets enter 2# intermediate pool 11.
11 water outlets of 2# intermediate pool enter after ozone oxidation pond 12, stripping pond 13 and BAF biochemistry pool 14 successively, further remove the organic pollutant in waste water, and after mechanical accelerating purifying pool 15, water outlet enters clean water basin 16, if water outlet is qualified, and qualified discharge; If water outlet is defective, is back to after 1# intermediate pool 6 or 2# intermediate pool 11 and again processes.
The top oil slick 20 of homogeneous regulating tank 3, oil partiting precipitation pool 4 pumps into oil slick tank 23 by oil slick transferpump 22 after entering floating oil collecting pond 21, transports outward processing.
The bottom greasy filth 30 of homogeneous regulating tank 3, oil partiting precipitation pool 4, air flotation pool 5 enters greasy filth pond 31, through greasy filth transferpump 32, pump into greasy filth concentration tank 33, then by greasy filth fresh feed pump 34, pump into centrifuge 35 and dewater, filtrate is to water collecting basin 2, mud cake outward transport, sump oil enters slop oil tank 36.
The mud 40 of coagulation floatation 10, mechanical accelerating purifying pool 15 pumps into sludge concentrating pot 43 by sludge delivery pump 42 after entering sludge sump 41, then pumps into belt type dewaterer 45 dehydrations by sewage sludge feed pump 44, and filtrate is back to water collecting basin 2, mud cake outward transport.
Following table-1 is each main processing unit processes information slip for the treatment of system of petrochemical wastewater described in the utility model.
each main processing unit processes information slip of table-1 treatment system
From the above, the treatment system of petrochemical wastewater described in the utility model, has simple to operately, and processing efficiency is high, and cost of investment is relatively low, and the treatment system of processing the petrochemical wastewater that risk is low from experiment lab scale and construction waste water.
Claims (4)
1. a treatment system for petrochemical wastewater, comprises by consisting of channel or connected water collecting basin (2), homogeneous regulating tank (3), oil partiting precipitation pool (4), air flotation pool (5), 1# intermediate pool (6), hydrolysis acidification pool (7), denitrification pond (8), deep aerating pond (9), coagulation floatation (10), 2# intermediate pool (11), ozone oxidation pond (12), stripping pond (13), BAF biochemistry pool (14), mechanical accelerating purifying pool (15) and the clean water basin (16) of pipeline successively.
2. the treatment system of petrochemical wastewater as claimed in claim 1, it is characterized in that described homogeneous regulating tank (3), oil partiting precipitation pool (4) are connected with floating oil collecting pond (21) by pipeline respectively, floating oil collecting pond (21) are connected with oil slick tank (23) by oil slick transferpump (22).
3. the treatment system of petrochemical wastewater as claimed in claim 1, it is characterized in that described homogeneous regulating tank (3), oil partiting precipitation pool (4), air flotation pool (5) are connected with greasy filth pond (31) by pipeline respectively, greasy filth pond (31) is connected with greasy filth concentration tank (33) by greasy filth transferpump (32), and greasy filth concentration tank (33) is connected with centrifuge (35) by greasy filth fresh feed pump (34).
4. the treatment system of petrochemical wastewater as claimed in claim 1, it is characterized in that described coagulation floatation (10), mechanical accelerating purifying pool (15) are connected with sludge sump (41) by pipeline respectively, sludge sump (41) is connected with sludge concentrating pot (43) by sludge delivery pump (42), and sludge concentrating pot (43) is connected with belt type dewaterer (45) by sewage sludge feed pump (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320663155.4U CN203582639U (en) | 2013-10-26 | 2013-10-26 | Petrochemical wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320663155.4U CN203582639U (en) | 2013-10-26 | 2013-10-26 | Petrochemical wastewater treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN203582639U true CN203582639U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320663155.4U Expired - Lifetime CN203582639U (en) | 2013-10-26 | 2013-10-26 | Petrochemical wastewater treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291522A (en) * | 2014-09-16 | 2015-01-21 | 天津千鑫有色金属制品有限公司 | Method for treating industrial wastewater |
-
2013
- 2013-10-26 CN CN201320663155.4U patent/CN203582639U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291522A (en) * | 2014-09-16 | 2015-01-21 | 天津千鑫有色金属制品有限公司 | Method for treating industrial wastewater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Li Inventor after: Lu Pinghanzong Inventor before: Liu Li Inventor before: LU-HUA HANZONG |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIU LI LU HUAHANZONG TO: LIU LI LU PINGHANZONG |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Petrochemical wastewater treatment system Effective date of registration: 20190116 Granted publication date: 20140507 Pledgee: Caixin Guoxing Real Estate Development Co., Ltd. Pledgor: SHAANXI HUALU CHEMICAL ENVIRONMENTAL PROTECTION CO., LTD. Registration number: 2019980000025 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |