CN203683308U - Advanced treatment system of petrochemical wastewater - Google Patents
Advanced treatment system of petrochemical wastewater Download PDFInfo
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- CN203683308U CN203683308U CN201320663158.8U CN201320663158U CN203683308U CN 203683308 U CN203683308 U CN 203683308U CN 201320663158 U CN201320663158 U CN 201320663158U CN 203683308 U CN203683308 U CN 203683308U
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- 239000002351 wastewater Substances 0.000 title claims abstract description 42
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[C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003197 catalytic Effects 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 235000019516 cod Nutrition 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N cyanide Chemical compound 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- ZMZDMBWJUHKJPS-UHFFFAOYSA-M isothiocyanate Chemical compound 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[S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 1
- 230000000813 microbial Effects 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
Abstract
The utility model discloses an advanced recycling treatment system of petrochemical wastewater. The advanced recycling treatment system comprises a water collecting tank, a homogenizing regulation tank, an oil removal settling tank, a gas flotation tank, a 1# intermediate water tank, a hydrolytic acidification tank, a denitrification tank, a deep aeration tank, a coagulation gas flotation tank, a 2# intermediate water tank, an ozone oxidization tank, a blow-off tank, a BAF (biological aerated filter) biochemical tank, a mechanical accelerated clarification tank, a clear water tank and an advanced treatment tank which are connected by a channel or a pipeline in sequence. The advanced recycling treatment system of the petrochemical wastewater disclosed by the utility model is simple to operate, high in treatment efficiency, relatively low in investment cost, and low in risk of an experimental test and engineering wastewater treatment.
Description
Technical field
The utility model relates to technical field of waste water processing, relates in particular to a kind of advanced treatment 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 processing, is often difficult to reach emission standard.So be badly in need of wanting a kind of advanced treatment system that can effectively process petrochemical wastewater in field of waste water treatment.At present, for the advanced treatment of this waste water, conventionally can be divided into coagulation, second-stage treatment and advanced treatment.Coagulation is pre-treatment, mainly comprises the methods such as coagulation, chemical precipitation, air supporting, to remove part oil pollutant; Second-stage treatment is mainly biochemical treatment, mainly comprises microbial hydrolytic, biochemical denitrification processing etc., to reduce organic content; Deep treatment method mainly contains active carbon adsorption, Ozonation, Wet Catalytic Oxidation Method etc.But all complicated operations too of the at present advanced treatment system of conventional petrochemical wastewater design, 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 advanced treatment system of the relatively low petrochemical wastewater of cost of investment.
The purpose of this utility model is achieved by following technical proposals:
The advanced 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, clean water basin and the advanced treatment unit of pipeline successively.
Wherein preferably, described advanced treatment unit is made up of the more medium filter being connected by pipeline, ultra-filtration equipment, ultrafiltration product pond and reverse osmosis unit, reuse water tank.
Further 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.
More 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 advanced 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, enters homogeneous regulating tank, regulates the waste water water yield, and remove most oil pollutant in homogeneous regulating tank.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 DEG C 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 penetration depth processing unit; If water outlet is defective, is back to after #1 intermediate pool or intermediate pool 2 and again processes.
Pre-treatment from clean water basin clear water out through more medium filter, enters ultra-filtration equipment, and ultrafiltration water outlet enters ultrafiltration and produces behind pond, pumps into reverse osmosis system by high-pressure pump, and water outlet enters reuse water tank.
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, pumps into greasy filth concentration tank through greasy filth transferpump, then pumps into centrifuge by greasy filth fresh feed pump 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 pump into belt type dewaterer dehydration by sewage sludge feed pump, and filtrate is back to water collecting basin, mud cake outward transport.
The advanced 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 processes the advanced treatment system of the petrochemical wastewater that risk is low from experiment lab scale and construction waste water.
Brief description of the drawings
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; 50, clear water; 51, more medium filter; 52, ultra-filtration equipment; 53, is produced from pond in ultrafiltration; 54, high-pressure pump; 55, reverse osmosis unit; 56, reuse water tank.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in the figure, the advanced 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, clean water basin 16 and the advanced treatment unit of pipeline successively.
Wherein, advanced treatment unit is made up of the more medium filter 51 being connected by pipeline, ultra-filtration equipment 52, ultrafiltration product pond 53 and reverse osmosis unit 55, reuse water tank 56.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 DEG C 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, after mechanical accelerating purifying pool 15, water outlet enters clean water basin 16, if water outlet is qualified, penetration depth processing unit; If water outlet is defective, is back to after 1# intermediate pool 6 or 2# intermediate pool 11 and again processes.
Pre-treatment from clean water basin 16 clear water 50 out through more medium filter 51, enters ultra-filtration equipment 52, and ultrafiltration water outlet enters ultrafiltration and produces behind pond 53, pumps into reverse osmosis unit 55 by high-pressure pump 54, and water outlet enters 56 reuses of reuse water tank.
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, pump into greasy filth concentration tank 33 through greasy filth transferpump 32, then pump into centrifuge 35 by greasy filth fresh feed pump 34 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 by sewage sludge feed pump 44 and dewater, and filtrate is back to water collecting basin 2, mud cake outward transport.
Advanced treatment effect of the present utility model can reach 85%.
The each main processing unit processes information slip of advanced treatment system that table-1 and table-2 are petrochemical wastewater described in the utility model.
the each main processing unit processes information slip of table-1 advanced treatment system
quality of reused water situation after table-2 advanced treatment
From the above, the advanced 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 processes the advanced treatment system of the petrochemical wastewater that risk is low from experiment lab scale and construction waste water.
Claims (5)
1. an advanced 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), clean water basin (16) and the advanced treatment unit of pipeline successively.
2. the advanced treatment system of petrochemical wastewater as claimed in claim 1, is characterized in that described advanced treatment unit is made up of the more medium filter being connected by pipeline (51), ultra-filtration equipment (52), ultrafiltration product pond (53) and reverse osmosis unit (55), reuse water tank (56).
3. the advanced treatment system of petrochemical wastewater as claimed in claim 1 or 2, 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).
4. the advanced treatment system of petrochemical wastewater as claimed in claim 1 or 2, 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).
5. the advanced treatment system of petrochemical wastewater as claimed in claim 1 or 2, 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).
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| CN201320663158.8U CN203683308U (en) | 2013-10-26 | 2013-10-26 | Advanced treatment system of petrochemical wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261620A (en) * | 2014-09-26 | 2015-01-07 | 江苏省海安石油化工厂 | Petrochemical wastewater treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261620A (en) * | 2014-09-26 | 2015-01-07 | 江苏省海安石油化工厂 | Petrochemical wastewater treatment method |
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Inventor after: Liu Li Inventor after: Lu Pinghanzong Inventor before: Liu Li Inventor before: LU-HUA HANZONG |
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Denomination of utility model: Advanced treatment system of petrochemical wastewater Effective date of registration: 20190116 Granted publication date: 20140702 Pledgee: Caixin Guoxing Real Estate Development Co., Ltd. Pledgor: SHAANXI HUALU CHEMICAL ENVIRONMENTAL PROTECTION CO., LTD. Registration number: 2019980000025 |
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