CN202499773U - Inferior heavy oil sewage purification and biochemical degradation coupling device - Google Patents
Inferior heavy oil sewage purification and biochemical degradation coupling device Download PDFInfo
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- CN202499773U CN202499773U CN2011205263255U CN201120526325U CN202499773U CN 202499773 U CN202499773 U CN 202499773U CN 2011205263255 U CN2011205263255 U CN 2011205263255U CN 201120526325 U CN201120526325 U CN 201120526325U CN 202499773 U CN202499773 U CN 202499773U
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- 239000010865 sewage Substances 0.000 title claims abstract description 42
- 239000000295 fuel oil Substances 0.000 title claims abstract description 26
- 230000015556 catabolic process Effects 0.000 title claims abstract description 12
- 230000008878 coupling Effects 0.000 title claims abstract description 12
- 238000010168 coupling process Methods 0.000 title claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 12
- 238000006731 degradation reaction Methods 0.000 title claims abstract description 12
- 238000000746 purification Methods 0.000 title claims description 12
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000005188 flotation Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000012530 fluid Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 18
- 239000007789 gas Substances 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 239000002351 wastewater Substances 0.000 description 5
- 239000002957 persistent organic pollutant Substances 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 238000006385 ozonation reaction Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
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- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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- 229920006395 saturated elastomer Polymers 0.000 description 1
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- 239000011593 sulfur Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
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Abstract
The utility model relates to a coupling device for purifying inferior heavy oil sewage and biochemical degradation; the ozone generating system consists of an oxygen generator and an ozone generator, the high-pressure dissolved air-contact reaction system consists of a gas-liquid mixed conveying pump and a dissolved air-reactor, and the air floatation system consists of an air floatation tank; the ozone generator is connected with the dissolved air-reactor through a gas-liquid mixed conveying pump, and the dissolved air-reactor is communicated with the air floatation tank through a distributor at the bottom of the air floatation tank; CODcr of effluent of the process device is 2850mg/L averagely, petroleum is 55mg/L averagely, SS is 17mg/L averagely, BOD5The average ratio of CODcr is above 0.21, and the improving capability of the biochemical degradation performance of the heavy polluted sewage processed by inferior heavy oil is above 30%.
Description
Technical field
The utility model relates to a kind of inferior heavy oil sewage purification and biochemical degradation coupling device.
Background technology
Along with oil supply in the world is tending towards heaviness, poor qualityization, (poor quality) heavy oil upgrading amount cumulative year after year of Chinese refinery.Inferior heavy oil mainly comprises viscous crude, ultra viscous crude, Venezuela is overweight wet goods raw material has high API degree, high-sulfur nitrogen, high saliferous, high acid value, HV, high-density, high impurity, characteristics such as non-hydrocarbon compound is abundant.Device such as atmospheric and vacuum distillation, viscosity breaking, delayed coking can produce a large amount of hard-degrading high concentrated sewage of point source in processing inferior heavy oil process; Has the pollutant load superelevation; Organic pollutant is formed complicated, and difficult degradation polarity organic pollutant content is high, characteristics such as biodegradability difference.Therefore, compare, it is classified as serious pollution sewage with the slight pollution sewage that refinery's secondary processing device produces.Serious pollution sewage accounts for the 25%-30% of the whole sewage quantity in inferior heavy oil processing refinery, but pollutant load can account for whole 70%-80%.Wastewater treatment field is constituted high pollution thing load impact, influence sewage processing efficiency up to standard, cause a series of hidden danger such as reuse water quality is defective, membrane module pollution.
Part is processed the inferior heavy oil Petrochemical Enterprises and is had realized that serious pollution sewage is to the whole influence up to standard of wastewater treatment field; Beginning increases the pretreatment technology of serious pollution sewage in refinery's Sewage treatment systems; With petroleum-type, COD, SS is target contaminant, and main purpose is to reduce high pollution thing load.Inferior heavy oil processing base-the Liaohe River petro-chemical corporation maximum with China is example; Its serious pollution sewage quality is complicated and changeable; Through after " water quality regulation-oil removal sedimentation-breakdown of emulsion sedimentation-DAF air supporting " operational path pre-treatment; Although petroleum-type (is main with dissolving oil) is merely 80-100mg/L, suspended substance (SS) is about 200mg/L, and COD (CODcr) is still up to 2000-2500mg/L; The macromole polar contaminants that its organic pollutant is formed with poisonous or difficult degradation is main, biodegradability (BOD
5/ CODcr) relatively poor, the biochemical treatment unit that influences composite wastewater field, downstream plays a role.The serious pollution pre-treating process for sewage is not enough to the biodegradability regulating and controlling effect, is unfavorable for the comprehensive up to standard or advanced treatment and reclamation of inferior heavy oil processing sewage.The scheme that solves can only be the regulation and control to serious pollution sewage biodegrade performance, ensures the steady in a long-term up to standard of downstream wastewater treatment field through the improvement to upper reaches water quality.
The utility model content
The purpose of the utility model is to develop a kind of inferior heavy oil sewage purification and biochemical degradation coupling device; Reduce the pollutant load of inferior heavy oil processing serious pollution sewage; Improve the biodegradability of serious pollution sewage simultaneously; Ensure that the downstream composite wastewater handles an efficient effect of biochemical treatment unit performance, newly " integrated wastewater discharge standard " (DB21/1627-2008) primary standard and Liaoning Province in (GB8978-1996) thereby promote to satisfy " national sewage comprehensive emission standard " by externally discharged waste water comprehensively.
The purification of water quality of inferior heavy oil processing serious pollution sewage and biodegradability regulation and control coupling device are made up of ozone generation system, high pressure solution gas-contact reacts system, three parts of air-flotation system;
Ozone generation system is made up of oxygenerator and ozonizer, and high pressure solution gas-contact reacts system is made up of gas fluid mixture pump and molten gas-reactor drum, and air-flotation system is made up of air flotation pool; Ozonizer is connected with molten gas-reactor drum through gas fluid mixture pump, dissolves the sparger of gas-reactor drum bottom air flotation pool and is communicated with air flotation pool; Air flotation pool is an airtight casing; A side is provided with dividing plate in the air flotation pool, and air flotation pool is divided into air supporting and two spaces of clear water, has connected entrance with air supporting and two spatial communication of clear water at the lower partition; Be provided with counter-flow vat in dividing plate top air supporting side; Counter-flow vat is connected with the gas-liquid delivery pump inlet through pipeline, is divided into several spaces in space, dividing plate air supporting side middle and lower part by baffle plate, and each space is communicated with molten gas-reactor drum through sparger; The air supporting side roof part is provided with Oil scraper, dissolves interior filling Activated Carbon with Cu catalyzer in gas-reactor drum.
(1) ozone generation system: be made up of ozonizer oxygenerator supporting with it, guarantee inferior heavy oil processing serious pollution sewage biochemical property is regulated and control needed ozone amount;
(2) high pressure solution gas-contact reacts system: constitute O by gas fluid mixture pump and molten gas-reactor drum
3Under the gas-liquid delivery pumping action, being saturated mode with inferior heavy oil processing serious pollution sewage dissolves each other; Get into high pressure solution gas-contact reacts system; Under 0.3-0.6MPa, 70-80 ℃, ozone/catalyzer synergy is with the abundant contact reacts of polar contaminants in the sewage; Realization improves the sewage biochemical to degradeds poisonous, the macromole Persistent organic pollutants.
(3) air-flotation system: inferior heavy oil behind catalytic ozonation processing serious pollution sewage (or with flocculation agent thorough mixing) gets into air-flotation system; Utilize residual ozone to continue the in-depth oxidizing reaction; Utilize the oxidation to harness emulsion effect of ozone simultaneously; Dissolving oil, SS are separated with water body, accomplish to decompose the separating of non-solubility pollutent and water body, residual ozone and discharge, water outlet enters the composite wastewater field.
The purification of water quality of inferior heavy oil processing serious pollution sewage and the characteristics of biodegradability regulation and control coupling device are:
(1) the employing air cooperates oxygenerator to use as the ozonizer source of the gas, can be implemented in and produce higher concentration ozone (also can consider air separation facility oxygen rich air collection use, further reduce power consumption) under the no commodity oxygen consumption condition;
(2) filling Activated Carbon with Cu catalyzer in high pressure solution gas-contact reacts system;
(3) ozone is supersaturation attitude and reduced fuel oil processing serious pollution sewage and dissolves each other, average 15 microns of ozone bubbles diameter, and ozone and sewage contact area are big; After getting into contact reacts system, keep elevated pressures and temperature (0.3-0.6MPa, 70-80 ℃), be beneficial to the catalytic ozonation reaction and carry out; Molten gas-reaction times maintains more than the 15min;
(4) " shallow pool theory " adopted in the design of air flotation pool, realizes effectively removing than the pollutent in the short residence time(SRT); The foul smell gathering system is established in airtight design, and residual ozone can continue reaction with the organic exhaust gas that volatilizes, and tentatively realizes eliminating malodours from gases;
(5) under the condition of sewage biochemical degradation better performances, can directly dissolve gas with air, this moment, equipment was a DAF air supporting machine; Under the condition of sewage biochemical degradation poor-performing, water outlet can be back to " high pressure solution gas-contact reacts system " again after the air supporting, and further in-depth is handled.
Utilize patent of the present invention to design 0.5m
3The purification of water quality of/hr inferior heavy oil processing serious pollution sewage and biochemical regulation and control coupling device model machine, and utilize the water outlet of Liaohe River petro-chemical corporation extremely-viscous crude sewage pretreatment unit to carry out purification of serious pollution sewage quality and the research of biochemical regulation and control test in place.
The operating parameter of the purification of water quality of inferior heavy oil processing serious pollution sewage and biochemical regulation and control coupling device model machine is following:
Water inlet 0.5m
3/ hr, dissolved-air pressure 0.45MPa dissolves 75 ℃ of temperature degree, and catalytic ozonation 20min duration of contact, catalyzer are Activated Carbon with Cu, the average 100mg/L sewage of ozone dosage, reflux ratio 25%.
The CODcr average out to 3960mg/L of process unit water inlet, petroleum-type average out to 86mg/L, SS average out to 21mg/L, BOD
5/ CODcr ratio is on average below 0.16.
The CODcr average out to 2850mg/L of process unit water outlet, petroleum-type average out to 55mg/L, SS average out to 17mg/L, BOD
5/ CODcr is than on average more than 0.21, to the improvement ability of inferior heavy oil processing serious pollution sewage biochemical degradation performance more than 30%.
Description of drawings
The purification of water quality of Fig. 1 inferior heavy oil processing serious pollution sewage and biochemical regulation and control coupling device.
Wherein: 1 oxygenerator, 2 ozonizers, 3 gas fluid mixture pumps, 4 dissolve gas-reactor drum, 5 air flotation pools
Embodiment
The purification of water quality and the biodegradability regulation and control coupling device of the described inferior heavy oil processing of the utility model serious pollution sewage are made up of ozone generation system, high pressure solution gas-contact reacts system, three parts of air-flotation system;
Ozone generation system is made up of oxygenerator 1 and ozonizer 2, and high pressure solution gas-contact reacts system is made up of gas fluid mixture pump 3 and molten gas-reactor drum 4, and air-flotation system is made up of air flotation pool; Ozonizer 2 is connected with molten gas-reactor drum 4 through gas fluid mixture pump 3, dissolves the sparger of gas-reactor drum 4 bottom air flotation pool and is communicated with air flotation pool; Air flotation pool is an airtight casing; A side is provided with dividing plate in the air flotation pool, and air flotation pool is divided into air supporting and two spaces of clear water, has connected entrance with air supporting and two spatial communication of clear water at the lower partition; Be provided with counter-flow vat in dividing plate top air supporting side; Counter-flow vat is connected with gas fluid mixture pump 3 imports through pipeline, is divided into several spaces in space, dividing plate air supporting side middle and lower part by baffle plate, and each space is communicated with molten gas-reactor drum 4 through sparger; The air supporting side roof part is provided with Oil scraper, dissolves interior filling Activated Carbon with Cu catalyzer in gas-reactor drum 4.
Claims (1)
1. inferior heavy oil sewage purification and biochemical degradation coupling device are made up of ozone generation system, high pressure solution gas-contact reacts system, three parts of air-flotation system; It is characterized in that:
Ozone generation system is made up of oxygenerator and ozonizer, and high pressure solution gas-contact reacts system is made up of gas fluid mixture pump and molten gas-reactor drum, and air-flotation system is made up of air flotation pool; Ozonizer is connected with molten gas-reactor drum through gas fluid mixture pump, dissolves the sparger of gas-reactor drum bottom air flotation pool and is communicated with air flotation pool; Air flotation pool is an airtight casing, and a side is provided with dividing plate in the air flotation pool, and air flotation pool is divided into air supporting and two spaces of clear water; Have connected entrance with air supporting and two spatial communication of clear water at the lower partition; Be provided with counter-flow vat in dividing plate top air supporting side, counter-flow vat is connected with the gas-liquid delivery pump inlet through pipeline, is divided into several spaces in space, dividing plate air supporting side middle and lower part by baffle plate; Each space is communicated with molten gas-reactor drum through sparger, and the air supporting side roof part is provided with Oil scraper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205263255U CN202499773U (en) | 2011-12-15 | 2011-12-15 | Inferior heavy oil sewage purification and biochemical degradation coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205263255U CN202499773U (en) | 2011-12-15 | 2011-12-15 | Inferior heavy oil sewage purification and biochemical degradation coupling device |
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| Publication Number | Publication Date |
|---|---|
| CN202499773U true CN202499773U (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205263255U Expired - Fee Related CN202499773U (en) | 2011-12-15 | 2011-12-15 | Inferior heavy oil sewage purification and biochemical degradation coupling device |
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| Country | Link |
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| CN (1) | CN202499773U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043829A (en) * | 2013-01-05 | 2013-04-17 | 中国石油大学(北京) | Method and device for pretreating thickened oil refining sewage |
| CN103159373A (en) * | 2011-12-15 | 2013-06-19 | 中国石油天然气股份有限公司 | Inferior heavy oil refinery sewage treatment plant |
| CN111470607A (en) * | 2020-04-27 | 2020-07-31 | 广州市德百顺电气科技有限公司 | Wastewater treatment equipment |
-
2011
- 2011-12-15 CN CN2011205263255U patent/CN202499773U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103159373A (en) * | 2011-12-15 | 2013-06-19 | 中国石油天然气股份有限公司 | Inferior heavy oil refinery sewage treatment plant |
| CN103043829A (en) * | 2013-01-05 | 2013-04-17 | 中国石油大学(北京) | Method and device for pretreating thickened oil refining sewage |
| CN103043829B (en) * | 2013-01-05 | 2013-10-30 | 中国石油大学(北京) | Method and device for pretreating thickened oil refining sewage |
| CN111470607A (en) * | 2020-04-27 | 2020-07-31 | 广州市德百顺电气科技有限公司 | Wastewater treatment equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20201215 |