CN201458864U - Integrated oil extraction waste water treatment device - Google Patents
Integrated oil extraction waste water treatment device Download PDFInfo
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- CN201458864U CN201458864U CN2009201087505U CN200920108750U CN201458864U CN 201458864 U CN201458864 U CN 201458864U CN 2009201087505 U CN2009201087505 U CN 2009201087505U CN 200920108750 U CN200920108750 U CN 200920108750U CN 201458864 U CN201458864 U CN 201458864U
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- waste water
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- oil extraction
- water treatment
- extraction waste
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Abstract
The utility model discloses an integrated oil extraction waste water treatment device which comprises a coagulation flotation module and an immersed type ultrafiltration module. The water pretreated by the coagulation flotation module enters the immersed type ultrafiltration module. The immersed type ultrafiltration module comprises an ultrafiltration membrane case and an ultrafiltration membrane component which is immersed below the water surface of the ultrafiltration membrane case. The ultrafiltration membrane component is connected with a self-suction type outlet water pump through a purified water pipeline for sucking purified water through suction pressure, and the ultrafiltration membrane adopts a hydrophilic polyethersulfone hollow fiber ultrafiltration membrane. The integrated oil extraction waste water treatment device has the advantages of simple structure, low cost, stable operation and high outlet water quality, and can be used for waste water treatment in an oil field or other fields.
Description
Technical field
The utility model relates to a kind of oil extraction waste water treatment unit, relates in particular to a kind of integrated oil extraction waste water treatment unit.
Background technology
At present, the oil-extracting waste water treatment process flow process that generally adopt in the oil field is: natural oil removing → three sections treatment process of coagulation oil removing → filtering under pressure is aided with scale inhibition, inhibition, sterilization, film processing or biochemical process processing etc. again.Though processing method has certain effect, there are a lot of problems in this " old three covers " after handling.
Except that " old three covers " technology, also have chemical method, physics method, biological process etc. to handle oil extraction waste water, wherein chemical method generally be as preconditioning technique or with the additive method coupling, independent physics method treatment effect is not good, running cost is high, and expection effluent quality effect is grown, also is difficult to reach sometimes to biological process construction investment height, hydraulic detention time.
The technical scheme of prior art one:
Oil trap: oil removal is the floating tripping device of going up of nature, and oil trap commonly used has parallel flow intercepter (API oil separator), parallel-plate-interceptor (PPI oil separator) and tilted plate intercepter (CPI oil separator) etc.
The technical scheme of prior art two:
Absorption method: absorption method is with the bigger material of specific surface area absorption pollutants in waste water matter, and the treatment effect of some macromole organic pollutants that additive method is difficult to remove is particularly remarkable, is widely used in recent years in the processing of oil extraction waste water.
There is following shortcoming at least in above-mentioned prior art:
Oil trap is only limited to oil slick and the dispersed oil of removing in the water, is difficult to remove oil in water emulsion and the dissolving oil of particle diameter less than 10um.And its hydraulic detention time is long, and the structures floor space is big; Absorption method is owing to adsorbents adsorb finite capacity, adsorbent reactivation difficulty, processing cost height.
The utility model content
The purpose of this utility model provide a kind of simple in structure, cost is low, stable, integrated oil extraction waste water treatment unit that effluent quality is high.
The purpose of this utility model is achieved through the following technical solutions:
Integrated oil extraction waste water treatment unit of the present utility model comprises coagulation air-float module, immersion ultrafiltration module, and the pretreated water of described coagulation air-float module enters described immersion ultrafiltration module;
Described immersion ultrafiltration module comprises ultra-filtration membrane case, ultrafiltration membrane module, and described hyperfiltration membrane assembly is immersed in below the water surface in the described ultra-filtration membrane case;
Described hyperfiltration membrane assembly goes out water pump and is connected with self-priming by fresh water pipeline.
The coagulation air-float module comprises the air supporting main body case, and described air supporting main body case is divided into reaction zone, air flotation zone, disengaging zone and catchment area;
Be provided with whipping appts in the described reaction zone; Be provided with reliever in the described air flotation zone.
Described air flotation zone and top, disengaging zone are provided with dregs scraper.
The technical scheme that provides by above-mentioned the utility model as can be seen, integrated oil extraction waste water treatment unit described in the utility model is because the pretreated water of coagulation air-float module enters immersion ultrafiltration module; Immersion ultrafiltration module ultra-filtration membrane case, ultrafiltration membrane module, hyperfiltration membrane assembly are immersed in below the water surface in the ultra-filtration membrane case; Hyperfiltration membrane assembly goes out water pump and is connected with self-priming by fresh water pipeline, extracts clear water with negative pressure mode.Simple in structure, cost is low, stable, effluent quality is high.
Description of drawings
Fig. 1 is the structural representation of the integrated oil extraction waste water treatment unit of the utility model;
Among the figure, 1, the air supporting main body case; 2, whipping appts; 3, air compressor machine; 4, dissolving; 5, dissolved air water pump; 6, dregs scraper; 7, reliever; 8, ultrafiltration intake pump; 9, ultra-filtration membrane case; 10, hyperfiltration membrane assembly; 11, self-primingly go out water pump; 12, line mixer; 13, electronic outlet valve; 14, electronic cleaning valve.
Embodiment
Integrated oil extraction waste water treatment unit of the present utility model, its preferable embodiment comprise coagulation air-float module, immersion ultrafiltration module as shown in Figure 1, and the pretreated water of coagulation air-float module enters immersion ultrafiltration module; Immersion ultrafiltration module comprises ultra-filtration membrane case, ultrafiltration membrane module, and hyperfiltration membrane assembly is immersed in below the water surface in the ultra-filtration membrane case; Hyperfiltration membrane assembly by fresh water pipeline with go out water pump and be connected, extract clear water with negative pressure mode.
The coagulation air-float module comprises the air saturation system, is made up of air compressor machine, dissolving and dissolved air water pump.
Ultra-filtration membrane is selected the hollow fiber ultrafiltration membrane of polyethersulfone material for use, and the below of hyperfiltration membrane assembly is provided with air-flow and scrubs aeration tube; Fresh water pipeline is connected with anti-pipe blow-through.
The coagulation air-float module comprises the air supporting main body case, is provided with whipping appts, reliever in the air supporting main body case, and main body case top is provided with dregs scraper.
Also comprise coagulating agent chemicals dosing plant, sterilant chemicals dosing plant, add sour device etc.
The utility model adopts submerged ultrafiltration to carry out oil removing in integrated device, structure and technical process are brief, operational management convenient, floor space is little, running cost is low, can make the oil-extracting waste water treatment process process flow operation stable, effluent quality can reach the A grade standard (as shown in table 1) in " petroclastic rock reservoir water water quality is recommended index " (SY/T 5329-1994).
Table 1 petroclastic rock reservoir water water quality is recommended index (SY/T 5329-1994)
Specific embodiment, referring to Fig. 1:
Comprise coagulation air-float module, immersion ultrafiltration module, take following treatment process route:
First section, the coagulation air-float module is removed oil extraction waste water PetroChina Company Limited.'s class and portion C OD with mixed condensed gas flotation process;
Mixed condensed gas flotation process: the air supporting method is that Xiang Shuizhong injects or by a large amount of microbubble of electrolytic method generation, the solid or the liquid pollutant particulate that make density in itself and the waste water approach water stick, form the air float body of density less than water, form scum silica frost at buoyancy function float downward to the water surface, carry out the isolating a kind of water technology of solid-liquid or liquid liquid.The air supporting method is mainly used in from waste water removes relative density less than 1 suspended substance, oils and fat.In oily(waste)water, add the rock steady structure of some chemical agent, thereby elaioleucite is condensed, produce the flocs unit that oil and other impurity are met with broken elaioleucite.These flocs units are entrusted down at a large amount of microbubbles, the floating upward quickly water surface, thus reach the purpose of solid-liquid separation, oil in water emulsion is removed from waste water.
Second section, in the immersion ultrafiltration module, waste water enters the submerged ultrafiltration system, colloid in the removal water, suspended substance, larger molecular organics, poisonous and harmful etc., the air-flow that is installed on hyperfiltration membrane assembly bottom in this process is scrubbed the even air that aeration tube supplies with and is blowed to tunica fibrosa, make the film silk produce swing, reach the purpose of film surface dirt removal.Water outlet SDI≤3, turbidity are lower than 1NTU, reach re-injection water water quality requirement.
The immersion ultrafiltration: ultra-filtration technique independently uses, and traditional water is handled complicated cohesion, clarification, filter plant and technical process as an alternative, uses ultrafiltration membrane technique, replace conventional pretreatment process, for simplifying technical process, improve effluent quality, reduce system operation cost and all be of great benefit to.
The utility model adopts mixed condensed gas flotation process as pre-processing module, and simple and convenient operation and maintenance is stable; In addition, can adjust the coagulating agent kind flexibly and add dose, reach the optimum handling effect according to the concrete condition of water quality of different oil production waste water in oil field; Replace traditional technology with ultrafiltration membrane technique, save running cost under the prerequisite of assurance effluent quality.
The utility model is in integrated device, use immersion hollow fiber ultrafiltration membrane (hydrophilic polyethersulfone material) to handle oily(waste)water, the film surface makes the adsorption rate of pollutent on the film surface be significantly less than disengaging speed under the continuous stripping of air-flow during operation, make cleaning more easy and thorough, membrane lifetime is longer, and therefore the water quality requirement to water inlet is lower.The reliability height of system, membrane module are changed conveniently, are reduced investment outlay.Except that advantage, also has wide adaptability, characteristics such as water flux is big, separation efficiency is high, anti-pollution, easy cleaning, volume are little with general ultra-filtration membrane; System automation degree height, operation and safeguard very easy, only need on the touch-screen of PLC cabinet according to main technical process one by one the On/Off relevant device get final product.
Compare with traditional technology, have treatment effect and stablize, effluent quality is good, installs characteristics such as running cost is low; The water outlet oleaginousness is low, and mineral oil content can reach below the 1mg/L, and suspended solid≤1mg/L. can be the oil field fine oil extraction waste water treatment technology scheme and service are provided, for oil field reduce water consumption, minimizing pollutant emission, for its Sustainable development provides safeguard.
The utility model adopts modular design, can be assembled into vehicle-mounted or the skid wheeled apparatus, and is mobile, easy to loading and unloading.Integrated oil extraction waste water treatment unit compact construction.Compare with traditional treatment facility, can save significantly and take up an area of and the expropriation of land input.Traditional water treatment station must be built supporting collection pipe network, invests huge.And this device conveniently moving can save pipe network and lay expense in the water intaking of discharge of wastewater mouth.
The utility model Highgrade integration, automatization, informationization; That internal unit is arranged is compact, rationally, have that high security, reliability, failure rate are low, reliability, maintainability, safety and human factors and a high information-based transmission.Full-automatic operation can be adopted, unattended duty can be accomplished.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.
Claims (9)
1. an integrated oil extraction waste water treatment unit is characterized in that, comprises coagulation air-float module, immersion ultrafiltration module, and the pretreated water of described coagulation air-float module enters described immersion ultrafiltration module;
Described immersion ultrafiltration module comprises ultra-filtration membrane case, ultrafiltration membrane module, and described hyperfiltration membrane assembly is immersed in below the water surface in the described ultra-filtration membrane case;
Described hyperfiltration membrane assembly goes out water pump and is connected with self-priming by fresh water pipeline.
2. integrated oil extraction waste water treatment unit according to claim 1 is characterized in that described coagulation air-float module comprises the air saturation system, and described air saturation system comprises air compressor machine, dissolving and dissolved air water pump.
3. integrated oil extraction waste water treatment unit according to claim 1 is characterized in that described hyperfiltration membrane assembly comprises ultra-filtration membrane, and described ultra-filtration membrane is the hollow fiber ultrafiltration membrane of hydrophilic polyethersulfone material.
4. integrated oil extraction waste water treatment unit according to claim 1 is characterized in that the below of described hyperfiltration membrane assembly is provided with air-flow and scrubs aeration tube.
5. integrated oil extraction waste water treatment unit according to claim 1 is characterized in that described fresh water pipeline is connected with anti-pipe blow-through.
6. integrated oil extraction waste water treatment unit according to claim 1 is characterized in that the coagulation air-float module comprises the air supporting main body case, and described air supporting main body case is divided into reaction zone, air flotation zone, disengaging zone and catchment area;
Be provided with whipping appts in the described reaction zone; Be provided with reliever in the described air flotation zone.
7. integrated oil extraction waste water treatment unit according to claim 6 is characterized in that, described air flotation zone and top, disengaging zone are provided with dregs scraper.
8. integrated oil extraction waste water treatment unit according to claim 1 is characterized in that, comprises coagulating agent chemicals dosing plant, sterilant chemicals dosing plant, adds sour device.
9. integrated oil extraction waste water treatment unit according to claim 1 is characterized in that, this device is modular vehicular or skid wheeled apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201087505U CN201458864U (en) | 2009-06-09 | 2009-06-09 | Integrated oil extraction waste water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201087505U CN201458864U (en) | 2009-06-09 | 2009-06-09 | Integrated oil extraction waste water treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN201458864U true CN201458864U (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009201087505U Expired - Fee Related CN201458864U (en) | 2009-06-09 | 2009-06-09 | Integrated oil extraction waste water treatment device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249372A (en) * | 2010-05-18 | 2011-11-23 | 宝山钢铁股份有限公司 | Immersed ultrafiltration and device and preparation system of pure water |
| CN103255751A (en) * | 2013-05-29 | 2013-08-21 | 南京银鲢水环境工程技术有限公司 | Oil filter |
| CN103979706A (en) * | 2014-04-25 | 2014-08-13 | 轻工业环境保护研究所 | External circulation type pressurized dissolved air floatation-membrane separation water treatment method and device |
| CN104150579A (en) * | 2014-01-10 | 2014-11-19 | 广东金明环保科技有限公司 | Biological treatment device used on water treatment integrated equipment |
| CN104710034A (en) * | 2014-10-14 | 2015-06-17 | 浙江开创环保科技有限公司 | Advanced treatment method for oilfield produced water |
| US9868659B2 (en) | 2015-04-17 | 2018-01-16 | General Electric Company | Subsurface water purification method |
-
2009
- 2009-06-09 CN CN2009201087505U patent/CN201458864U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249372A (en) * | 2010-05-18 | 2011-11-23 | 宝山钢铁股份有限公司 | Immersed ultrafiltration and device and preparation system of pure water |
| CN103255751A (en) * | 2013-05-29 | 2013-08-21 | 南京银鲢水环境工程技术有限公司 | Oil filter |
| CN104150579A (en) * | 2014-01-10 | 2014-11-19 | 广东金明环保科技有限公司 | Biological treatment device used on water treatment integrated equipment |
| CN103979706A (en) * | 2014-04-25 | 2014-08-13 | 轻工业环境保护研究所 | External circulation type pressurized dissolved air floatation-membrane separation water treatment method and device |
| CN104710034A (en) * | 2014-10-14 | 2015-06-17 | 浙江开创环保科技有限公司 | Advanced treatment method for oilfield produced water |
| US9868659B2 (en) | 2015-04-17 | 2018-01-16 | General Electric Company | Subsurface water purification method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20140609 |