CN204550325U - Sewage from oil refinery treatment system - Google Patents
Sewage from oil refinery treatment system Download PDFInfo
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- CN204550325U CN204550325U CN201520084967.2U CN201520084967U CN204550325U CN 204550325 U CN204550325 U CN 204550325U CN 201520084967 U CN201520084967 U CN 201520084967U CN 204550325 U CN204550325 U CN 204550325U
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Abstract
The utility model provides a kind of sewage from oil refinery treatment system, belongs to sewage treatment area.It solve the problem that prior art sewage disposal is thorough, can not recycle.This sewage from oil refinery treatment system comprises the oil trap connected successively by pipeline, settling tank, oil removal by air bubbling equipment, biochemical treatment unit and reuse pool, oil trap is ramp type, inside establish floating ball type flow meter and floating circulation oil recovery appts, throw in settling tank and have soda acid agent, by in soda acid agent and sewage to regulate sewage quality, throw in oil removal by air bubbling equipment and have polymerize aluminum chloride coagulating agent, biochemical treatment unit is by the one-level anaerobic hydrolysis acidification tank be connected successively, Cyclic Activated Sludge System pond, secondary anaerobic hydrolysis acidification pool and BAF composition, ozonizer is provided with in reuse pool, ozone reactor and biologic active carbon filtration device.The utility model can carry out advanced treatment to sewage, and process after stain thing content is low, can recycle, be conducive to saving water resource.
Description
Technical field
The utility model belongs to sewage treatment area, is specifically related to a kind of sewage from oil refinery treatment system.
Background technology
Oil refining industry is the comparatively serious industry of environmental pollution, from raw material to product, from production to use, all there is the factor causing environmental pollution.Sewage from oil refinery is the polluted water not directly utilized produced in oil refining industry production, operational process, pollutant kind is many, concentration is high, and due to mink cell focus in the oil of China and sulphur-bearing crude relative density large, add the difficulty of oil refining process, often process 1 ton of crude oil and produce 0.7 ~ 3.5 ton of sewage, wherein oleaginousness is about 150 ~ 1000mg/L.
The pollutent contained in sewage from oil refinery mainly contains: petroleum-type, suspended substance, Volatile Phenols, BOD, COD, inorganics has sulfide, prussiate, metallic compound has mercury and mercuric compounds, cadmium and compound thereof, hexavalent chromium compound, arsenic and compound thereof, lead and compound etc. thereof, direct discharge, for enterprise, can in process facility and sedimentation together with particle outstanding in waste water and iron scale in pipe-line equipment, form the greasy filth group with larger stickiness, blocking pipe and equipment, what impact was produced normally carries out, for environment, meeting polluted-water, the water surface forms oil film, hinder water reoxygenation effect, because dissolved oxygen reduces in water body, algae photosynthesis is restricted, affect hydrobiological normal growth, aquatic animals and plants is made to have oily taste or toxicity, water body is even made to foul, destroy the utility value of water resources, destructive destruction may be caused to the ecosystem.
The sewage from oil refinery of China generally first carries out oil removal process, with the oil slick in decontaminated water and part oil in water emulsion, carry out air-flotation process again, remaining oil slick and oil in water emulsion in the water outlet of further removing oil trap, finally carry out biochemical treatment, pass through conventional activated sludge process, microbe films osculation oxygenation method, anoxic_oxic process, anoxic_oxic process, the methods such as oxidation ditch are except the pollutent in decontaminated water, adopt the treatment process of this traditional " oil removal-air supporting-biochemistry ", one side is that the quantity discharged of sewage from oil refinery increases year by year, various pollutent will inevitably be caused at water body, enrichment in soil or organism, the Transport And Transformation process that experience is complicated, still can bring pollution to a certain extent, investigation display, only up to standard less than draining outside the enterprise of 50%, on the other hand, the sewage of prior art process is still containing pollutents such as oils, the standard of reuse water can not be reached, at water resources worsening shortages, today that water resources recycle idea is rooted in the hearts of the people, prior art obviously can not meet human's demand.
Utility model content
Based on this, be necessary to provide one can carry out advanced treatment to sewage, process after stain thing content is low, can recycle, be conducive to the sewage from oil refinery treatment system of saving water resource.
The purpose of this utility model realizes by following technical proposal: sewage from oil refinery treatment system, comprise the oil trap connected successively by pipeline, settling tank, oil removal by air bubbling equipment, biochemical treatment unit and reuse pool, described oil trap is ramp type, inside establish floating ball type flow meter and floating circulation oil recovery appts, throw in described settling tank and have soda acid agent, by in soda acid agent and sewage to regulate sewage quality, throw in described oil removal by air bubbling equipment and have polymerize aluminum chloride coagulating agent, described biochemical treatment unit is by the one-level anaerobic hydrolysis acidification tank be connected successively, Cyclic Activated Sludge System pond, secondary anaerobic hydrolysis acidification pool and BAF composition, ozonizer is provided with in described reuse pool, ozone reactor and biologic active carbon filtration device.
Being improved to further technique scheme, the water-in of described ozone reactor is connected by the water outlet of water pump with biochemical treatment unit, and be provided with liquid meter therebetween, the inlet mouth of described ozone reactor is connected with ozonizer, and be provided with gas meter therebetween, the water outlet of described ozone reactor is connected with biologic active carbon filtration device, and the tail gas in described ozone reactor is discharged by exhaust gas processing device.
Being improved to further technique scheme, described oil trap comprise be positioned at side and the water-in be connected with sewage be positioned at opposite side and the water outlet be connected with settling tank, also be provided with some swash plates from the horizontal by 60 ° of angles, described swash plate is positioned at water-in one end and is provided with water distribution board, the corresponding swash plate position, top of described oil trap is provided with oil header, and described oil header is connected with floating circulation oil recovery appts.
Being improved to further technique scheme, described oil trap, settling tank, oil removal by air bubbling equipment, biochemical treatment unit are all connected with an odor removal.
Being improved to further technique scheme, described odor removal adopts catalytic oxidation deodorizing.
Being improved to further technique scheme, described oil trap, settling tank, oil removal by air bubbling equipment are all connected with an oil recovery pond, and the floating circulation oil recovery appts in described oil trap is connected with oil recovery pond.
The beneficial effects of the utility model are:
1, first regulated the water yield by the floating ball type flow meter in oil trap, floating circulation oil recovery appts tentatively goes out the oil slick in decontaminated water, pass through in the soda acid agent in settling tank again and sewage, water quality is regulated, makes pH value of sewage water between 6.5-8.5, and precipitate a part of macrobead suspended substance and a part of suspension oil, ensure the stability of producing, reduce follow-up load, make the suspended substance in sewage and oils de-steady and condense, float, be removed under the effect of coagulating agent by the polymerize aluminum chloride coagulating agent in oil removal by air bubbling equipment again, the organism in decontaminated water is removed again by biochemical treatment unit, wherein, one-level anaerobic hydrolysis acidification tank is pre-treatment, be small molecules by the chain rupture of macromole hardly degraded organic substance, improve the volatile acid concentration of sewage, reduce the total amount of bio-refractory pollutent, improve the biodegradability of sewage, Cyclic Activated Sludge System pond is for removing most of organism, remove ammonia nitrogen and total nitrogen by synchronous nitration-nitrated retroaction simultaneously, secondary anaerobic hydrolysis acidification pool is to the further denitrogenation of incomplete denitrifying NOx-N in the water outlet of Cyclic Activated Sludge System pond, prevent nitrate nitrogen from accumulating, decompose residual Persistent organic pollutants further simultaneously, the biodegradability of further raising sewage, particulate filter is loaded in BAF, filter material surface apposition growth microbial film, the inner aeration in filter tank, effluent stream through time, the Strong oxdiative degradation capability of high-concentration biological film on filtrate is utilized to purify sewage, the sewage obtained thus is through advanced treatment, every pollutant load is low, meet national standard, finally by reuse pool, recycling is carried out to the water outlet after biochemical treatment cell processing, saving water resource.
2, ozonizer, ozone reactor and biologic active carbon filtration device is provided with in reuse pool, ozone ~ biological activated carbon coupling is adopted to purify waste water, wherein, the oxidation operation of more difficult removal residual in water outlet is decomposed into the material of less relative molecular mass by ozone, be easier to be absorbed by gac, improve the adsorption efficiency of biologic active carbon filtration device, make quality of reused water better.
3, oil trap is ramp type, and dwell time of sewage is short, and the separating of oil efficiency of water is high, improves the oil removal effect of oil trap.
4, oil trap, settling tank, oil removal by air bubbling equipment, biochemical treatment unit are all connected with an odor removal, foul gas in adopting catalytic oxidation to dispose of sewage, one side odor removal efficient is high, effect stability, is applicable to remove various gas pollutant on the other hand.
5, oil trap, settling tank, oil removal by air bubbling equipment are all connected with an oil recovery pond, can carry out recycling, be conducive to the recycling of resource to isolated oily substance.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model sewage from oil refinery treatment system;
Fig. 2 is the oil trap structural representation of the utility model sewage from oil refinery treatment system.
Embodiment
As shown in Figure 1, be the structured flowchart of the utility model sewage from oil refinery treatment system.Sewage from oil refinery treatment system 100, comprises the oil trap 101, settling tank 102, oil removal by air bubbling equipment 103, biochemical treatment list 104 yuan and the reuse pool 105 that are connected successively by pipeline.
As shown in Figure 2, be the oil trap structural representation of the utility model sewage from oil refinery treatment system.Oil trap 101 is ramp type, comprise be positioned at side and the water-in 111 be connected with sewage be positioned at opposite side and the water outlet 112 be connected with settling tank 102, also be provided with some swash plates 113 from the horizontal by 60 ° of angles, swash plate 113 is positioned at water-in 111 one end and is provided with water distribution board 114, corresponding swash plate 113 position, top of oil trap 101 is provided with oil header 115, also be provided with in oil trap 101 to control the floating ball type flow meter 116 of the water yield and the floating circulation oil recovery appts 117 for tentatively removing oil slick, oil header 115 is connected with floating circulation oil recovery appts 117.Oil trap 101 adopts ramp type, and dwell time of sewage is short, and the separating of oil efficiency of water is high, improves the oil removal effect of oil trap 101.
Throw in settling tank 102 and have soda acid agent 121, by sewage large with pH value amplitude in soda acid agent 121 to regulate sewage quality, make pH value of sewage water between 6.5-8.5, ensure the stability of producing, reduce follow-up load.
Throw in oil removal by air bubbling equipment 103 and have polymerize aluminum chloride coagulating agent.
Biochemical treatment list 104 yuan is made up of the one-level anaerobic hydrolysis acidification tank 141 be connected successively, Cyclic Activated Sludge System pond 142, secondary anaerobic hydrolysis acidification pool 143 and BAF 144.
Ozonizer 151, ozone reactor 152 and biologic active carbon filtration device 153 is provided with in reuse pool 105, the water-in of ozone reactor 152 is connected with the water outlet of biochemical treatment list 104 yuan by water pump 154, and be provided with liquid meter 155 therebetween to control flooding quantity, the inlet mouth of ozone reactor 152 is connected with ozonizer 151, and be provided with gas meter 156 therebetween to control air input, the water outlet 112 of ozone reactor 152 is connected with biologic active carbon filtration device 153, and the tail gas in ozone reactor 152 is discharged by exhaust gas processing device.Reuse pool 105 adopts ozone ~ biological activated carbon coupling to purify waste water, wherein, the oxidation operation of more difficult removal residual in water outlet is decomposed into the material of less relative molecular mass by ozone, be easier to be absorbed by gac, improve the adsorption efficiency of biologic active carbon filtration device 153, make quality of reused water better.
Oil trap 101, settling tank 102, oil removal by air bubbling equipment 103, biochemical treatment list 104 yuan are all connected with an odor removal 106, foul gas in adopting catalytic oxidation to dispose of sewage, one side odor removal efficient is high, effect stability, is applicable to remove various gas pollutant on the other hand.
Oil trap 101, settling tank 102, oil removal by air bubbling equipment 103 are all connected with an oil recovery pond 107, can carry out recycling, be conducive to the recycling of resource to isolated oily substance.
Principle of work of the present utility model is:
First regulate to ensure that flooding quantity is stablized by the 116 pairs of water yields of the floating ball type flow meter in oil trap 101, alleviate the load of subsequent processing device, floating circulation oil recovery appts 117 tentatively goes out the oil slick in decontaminated water, pass through in the soda acid agent 121 in settling tank 102 again and sewage, water quality is regulated, makes pH value of sewage water between 6.5 ~ 8.5, and precipitate a part of macrobead suspended substance and a part of suspension oil, make the suspended substance in sewage and oils de-steady and condense, float, be removed under the effect of coagulating agent by the polymerize aluminum chloride coagulating agent in oil removal by air bubbling equipment 103 again, the organism in decontaminated water is removed again by biochemical treatment list 104 yuan, wherein, one-level anaerobic hydrolysis acidification tank 141 is pre-treatment, be small molecules by the chain rupture of macromole hardly degraded organic substance, improve the volatile acid concentration of sewage, reduce the total amount of bio-refractory pollutent, improve the biodegradability of sewage, Cyclic Activated Sludge System pond 142 is for removing most of organism, remove ammonia nitrogen and total nitrogen by synchronous nitration-nitrated retroaction simultaneously, the further denitrogenation of incomplete denitrifying NOx-N in 143 pairs of Cyclic Activated Sludge System pond 142 water outlets of secondary anaerobic hydrolysis acidification pool, prevent nitrate nitrogen from accumulating, decompose residual Persistent organic pollutants further simultaneously, the biodegradability of further raising sewage, particulate filter is loaded in BAF 144, filter material surface apposition growth microbial film, the inner aeration in filter tank, effluent stream through time, the Strong oxdiative degradation capability of high-concentration biological film on filtrate is utilized to purify sewage, the sewage obtained thus is through advanced treatment, every pollutant load is low, meet national standard, ozone ~ biological activated carbon coupling is adopted to carry out recycling, saving water resource to the water outlet after biochemical treatment list 104 yuan process finally by reuse pool 105.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (6)
1. sewage from oil refinery treatment system, it is characterized in that: comprise the oil trap connected successively by pipeline, settling tank, oil removal by air bubbling equipment, biochemical treatment unit and reuse pool, described oil trap is ramp type, inside establish floating ball type flow meter and floating circulation oil recovery appts, throw in described settling tank and have soda acid agent, by in soda acid agent and sewage to regulate sewage quality, throw in described oil removal by air bubbling equipment and have polymerize aluminum chloride coagulating agent, described biochemical treatment unit is by the one-level anaerobic hydrolysis acidification tank be connected successively, Cyclic Activated Sludge System pond, secondary anaerobic hydrolysis acidification pool and BAF composition, ozonizer is provided with in described reuse pool, ozone reactor and biologic active carbon filtration device.
2. sewage from oil refinery treatment system according to claim 1, it is characterized in that: the water-in of described ozone reactor is connected by the water outlet of water pump with biochemical treatment unit, and be provided with liquid meter therebetween, the inlet mouth of described ozone reactor is connected with ozonizer, and be provided with gas meter therebetween, the water outlet of described ozone reactor is connected with biologic active carbon filtration device, and the tail gas in described ozone reactor is discharged by exhaust gas processing device.
3. sewage from oil refinery treatment system according to claim 2, it is characterized in that: described oil trap comprise be positioned at side and the water-in be connected with sewage be positioned at opposite side and the water outlet be connected with settling tank, also be provided with some swash plates from the horizontal by 60 ° of angles, described swash plate is positioned at water-in one end and is provided with water distribution board, the corresponding swash plate position, top of described oil trap is provided with oil header, and described oil header is connected with floating circulation oil recovery appts.
4. sewage from oil refinery treatment system according to claim 3, is characterized in that: described oil trap, settling tank, oil removal by air bubbling equipment, biochemical treatment unit are all connected with an odor removal.
5. sewage from oil refinery treatment system according to claim 4, is characterized in that: described odor removal adopts catalytic oxidation deodorizing.
6. sewage from oil refinery treatment system according to claim 5, is characterized in that: described oil trap, settling tank, oil removal by air bubbling equipment are all connected with an oil recovery pond, and the floating circulation oil recovery appts in described oil trap is connected with oil recovery pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520084967.2U CN204550325U (en) | 2015-02-06 | 2015-02-06 | Sewage from oil refinery treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520084967.2U CN204550325U (en) | 2015-02-06 | 2015-02-06 | Sewage from oil refinery treatment system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105217895A (en) * | 2015-10-30 | 2016-01-06 | 无锡市嘉邦电力管道厂 | Heavy crude sewage water treating method |
| CN106186580A (en) * | 2016-08-31 | 2016-12-07 | 武汉东川自来水科技开发有限公司 | A kind of emulsion sewage disposal system and processing method |
| CN107226580A (en) * | 2016-08-31 | 2017-10-03 | 无锡市新都环保科技有限公司 | A kind of system and processing method of efficient process oily waste water |
| CN111056715A (en) * | 2020-01-10 | 2020-04-24 | 中际晟丰环境工程技术集团有限公司 | Container type ozone advanced oxidation combined system for treating refractory organic wastewater |
| CN111620526A (en) * | 2020-06-11 | 2020-09-04 | 山东鼎鲁建筑有限公司 | A hierarchical high-efficient processing mechanism of sewage for environmental protection |
| CN115636557A (en) * | 2022-11-16 | 2023-01-24 | 中国电子工程设计院有限公司 | Method for preparing nano process integrated circuit cleaning water |
-
2015
- 2015-02-06 CN CN201520084967.2U patent/CN204550325U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105217895A (en) * | 2015-10-30 | 2016-01-06 | 无锡市嘉邦电力管道厂 | Heavy crude sewage water treating method |
| CN106186580A (en) * | 2016-08-31 | 2016-12-07 | 武汉东川自来水科技开发有限公司 | A kind of emulsion sewage disposal system and processing method |
| CN107226580A (en) * | 2016-08-31 | 2017-10-03 | 无锡市新都环保科技有限公司 | A kind of system and processing method of efficient process oily waste water |
| CN111056715A (en) * | 2020-01-10 | 2020-04-24 | 中际晟丰环境工程技术集团有限公司 | Container type ozone advanced oxidation combined system for treating refractory organic wastewater |
| CN111620526A (en) * | 2020-06-11 | 2020-09-04 | 山东鼎鲁建筑有限公司 | A hierarchical high-efficient processing mechanism of sewage for environmental protection |
| CN115636557A (en) * | 2022-11-16 | 2023-01-24 | 中国电子工程设计院有限公司 | Method for preparing nano process integrated circuit cleaning water |
| CN115636557B (en) * | 2022-11-16 | 2023-04-07 | 中国电子工程设计院有限公司 | Method for preparing nano process integrated circuit cleaning water |
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Effective date of registration: 20151218 Address after: 511300 Donghua Development Zone, Xintang Town, Guangzhou, Guangdong, Zengcheng Patentee after: GUANGZHOU WEISHI ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Address before: Taiping Street Rd Wenling city Taizhou City, Zhejiang province 317599 Patentee before: Chen Junjie |