CN103086455B - Oilfield sewage treatment apparatus - Google Patents
Oilfield sewage treatment apparatus Download PDFInfo
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- CN103086455B CN103086455B CN201110348671.3A CN201110348671A CN103086455B CN 103086455 B CN103086455 B CN 103086455B CN 201110348671 A CN201110348671 A CN 201110348671A CN 103086455 B CN103086455 B CN 103086455B
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- flotation device
- cyclone air
- separation chamber
- microbubble
- sewage
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Abstract
An oilfield sewage treatment apparatus comprises a cyclone floating device and a micro-bubble generator, wherein the cyclone floating device is used for separating oil stains and silts in water; and the micro-bubble generator is connected with the cyclone floating device and is used for generating micro-bubbles and sending sewage mixed with the micro-bubbles to the cyclone floating device through the water inlet of the cyclone floating device. The oilfield sewage treatment apparatus has the advantages of low oilfield sewage treatment cost and high oilfield sewage treatment efficiency.
Description
Technical field
The present invention relates to disposing polluted water in oil field, particularly relate to a kind of oil field sewage treating equipment.
Background technology
The main method of traditional disposing polluted water in oil has settling methods, dissolved air flotation method, cyclonic separation method, activated sludge process, electrochemical process, chemical method and centrifugal separation etc., often adopts the combination of above-mentioned one or more methods in the process of actual treatment sewage.Along with oil-field development enters the later stage, the oil field produced water yield progressively increases, and in the particularly late period of waterflooding, recovered water water ratio is up to 80-90%, and disposing polluted water in oil cost is high, and processing efficiency is undesirable.
Summary of the invention
In order to address the above problem, the invention provides a kind of efficient, oil field sewage treating equipment that cost is low.
A kind of oil field sewage treating equipment, comprises
Cyclone air-flotation device, for separating of the greasy dirt in sewage and silt;
Microbubble generator, is connected with described cyclone air-flotation device, sends in cyclone air-flotation device by the water inlet of described cyclone air-flotation device for generation of microbubble and by the sewage that is mixed with microbubble.
In a preferred embodiment, described cyclone air-flotation device comprises gas separation chamber, inducer, oily water separation chamber, thrust-augmenting nozzle and silt separate chamber, the top of described gas separation chamber in described cyclone air-flotation device, the middle part of described oily water separation chamber in described cyclone air-flotation device, the bottom of described silt separate chamber in described cyclone air-flotation device, described inducer is arranged between described gas separation chamber and described oily water separation chamber, and lower end, described oily water separation chamber is provided with and is communicated to the outside thrust-augmenting nozzle of described cyclone air-flotation device.
In a preferred embodiment, the sewage tangent line that is mixed with microbubble described in enters described cyclone air-flotation device and is ejected on described inducer.
In a preferred embodiment, the exit of described thrust-augmenting nozzle is provided with selfdraining valve.
In a preferred embodiment, described cyclone air-flotation device also comprises stabilier, and described stabilier is arranged at the below of described oily water separation chamber, and described thrust-augmenting nozzle is through described stabilier.
In a preferred embodiment, the top of described cyclone air-flotation device has pneumatic outlet, described in be mixed with microbubble sewage isolated gas in described gas separation chamber feed back to described microbubble generator through described pneumatic outlet.
In a preferred embodiment, described gas outlet is provided with pressure warning unit and under meter, for detection of the flow of the pressure in described gas separation chamber and feedback gas.
In a preferred embodiment, the lower end of described cyclone air-flotation device is provided with water outlet, and described water outlet is provided with motor-operated control valve.
In a preferred embodiment, on described cyclone air-flotation device, liquid level sensor is set, described liquid level sensor is connected with described motor-operated control valve.
Above-mentioned oil field sewage treating equipment, adopt air supporting, induction centrifugal intertia force and utilize the different characteristic of different densities of different fluid component, rotating centrifugal isolation technique and microbubble control dissolved air flotation technology are combined, suspended substance in oilfield sewage, mechanical impurity and little oil droplet are collected, from water, separate, thereby reach the object that oilfield sewage purifies, the processing cost of oilfield sewage is low, and efficiency is high.
Brief description of the drawings
Fig. 1 is the structural representation of preferred embodiment of the present invention.
Embodiment
Drop into high, inefficient problem in order to solve traditional oil field sewage treating equipment cost, a kind of efficient, oilfield sewage treatment device that cost is low is provided.
As shown in Figure 1, the oil field sewage treating equipment of preferred embodiment of the present invention, comprises cyclone air-flotation device 100, for separating of the greasy dirt in sewage and silt; Microbubble generator 200, is connected with cyclone air-flotation device 100, sends in cyclone air-flotation device by the water inlet of cyclone air-flotation device 100 for generation of microbubble and by the sewage that is mixed with microbubble.
In the present embodiment, cyclone air-flotation device 100 comprises gas separation chamber 110, inducer 120, oily water separation chamber 130, thrust-augmenting nozzle 140 and silt separate chamber 150, the top of gas separation chamber 110 in cyclone air-flotation device 100, the middle part of oily water separation chamber 130 in cyclone air-flotation device 100, the bottom of silt separate chamber 150 in cyclone air-flotation device 100, inducer 120 is arranged between gas separation chamber 110 and oily water separation chamber 130, and 130 lower ends, oily water separation chamber are provided with and are communicated to the outside thrust-augmenting nozzle 140 of cyclone air-flotation device 100.
In the present embodiment, the sewage tangent line that is mixed with microbubble enters cyclone air-flotation device 100 and is ejected on inducer 120.
In the present embodiment, the exit of thrust-augmenting nozzle 140 is provided with selfdraining valve 141.
In the present embodiment, cyclone air-flotation device 100 also comprises stabilier 160, and stabilier 160 is arranged at the below of oily water separation chamber 130, and thrust-augmenting nozzle 140 is through stabilier 160.
In the present embodiment, the top of cyclone air-flotation device 100 has pneumatic outlet 170, and the sewage isolated gas in gas separation chamber 110 that is mixed with microbubble feeds back to microbubble generator 100 through pneumatic outlet 170.
In the present embodiment, pneumatic outlet 170 places are provided with pressure warning unit and under meter, for detection of the flow of the pressure in gas separation chamber and feedback gas.
In the present embodiment, the lower end of cyclone air-flotation device 100 is provided with water outlet 152 and sewage draining exit 151, and water outlet 152 is provided with motor-operated control valve 180.
In the present embodiment, liquid level sensor 190 is set on cyclone air-flotation device 100, liquid level sensor 190 is connected with motor-operated control valve 180.The liquid level of cyclone air-flotation device 100, by the signal of liquid level sensor 190, controls through adjusting motor-driven control valve 180.
Sewage is sent into microbubble generator 200 through pipeline, tangent line enters cyclone air-flotation device 100, through water inlet inducer 120, under the effect of induction centrifugal intertia force and microbubble, the tiny oil droplets and the fine suspension that are dispersed in sewage are assembled fast, and collision is grown up mutually, separated fast through oily water separation chamber 130, suspended substance and sump oil, by thrust-augmenting nozzle 140, under self-force liquid discharge valve 141 is controlled, are discharged Air-float separator.Gas returns to microbubble generator 200 by gas separation chamber 110 through pneumatic outlet 170 pipelines.Heavier sand and sump oil are along tube wall and the downward rapid subsidence of stabilier 160 under the effect of centrifugal force and gravity, and through silt particle separate chamber, 150 bottom mud sewage draining exits 151 are discharged Air-float separator.Water after treatment is discharged through water outlet 152.The liquid level of cyclone air-flotation device 100, by the signal of liquid level sensor 190, controls through adjusting motor-driven control valve 180.Pressure warning unit and under meter that the control of microvesicle generators 200 is arranged on gas outlet regulate.
Above-mentioned oil field sewage treating equipment, adopt air supporting, induction centrifugal intertia force and utilize the different characteristic of different densities of different fluid component, rotating centrifugal isolation technique and microbubble control dissolved air flotation technology are combined, suspended substance in oilfield sewage, mechanical impurity and little oil droplet are collected, from water, separate, thereby reach the object that oilfield sewage purifies, the processing cost of oilfield sewage is low, and efficiency is high.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (5)
1. an oil field sewage treating equipment, is characterized in that, comprises
Cyclone air-flotation device, for separating of the greasy dirt in sewage and silt; Described cyclone air-flotation device comprises gas separation chamber, inducer, oily water separation chamber, thrust-augmenting nozzle and silt separate chamber, the top of described gas separation chamber in described cyclone air-flotation device, the middle part of described oily water separation chamber in described cyclone air-flotation device, the bottom of described silt separate chamber in described cyclone air-flotation device, described inducer is arranged between described gas separation chamber and described oily water separation chamber, and lower end, described oily water separation chamber is provided with and is communicated to the outside thrust-augmenting nozzle of described cyclone air-flotation device;
Microbubble generator, is connected with described cyclone air-flotation device, sends in cyclone air-flotation device by the water inlet of described cyclone air-flotation device for generation of microbubble and by the sewage that is mixed with microbubble; The described sewage tangent line that is mixed with microbubble enters described cyclone air-flotation device and is ejected on described inducer;
Described cyclone air-flotation device also comprises stabilier, and described stabilier is arranged at the below of described oily water separation chamber, and described thrust-augmenting nozzle is through described stabilier; The top of described cyclone air-flotation device has pneumatic outlet, described in be mixed with microbubble sewage isolated gas in described gas separation chamber feed back to described microbubble generator through described pneumatic outlet.
2. oil field sewage treating equipment according to claim 1, is characterized in that, the exit of described thrust-augmenting nozzle is provided with selfdraining valve.
3. oil field sewage treating equipment according to claim 1, is characterized in that, described gas outlet is provided with pressure warning unit and under meter, for detection of the flow of the pressure in described gas separation chamber and feedback gas.
4. oil field sewage treating equipment according to claim 1, is characterized in that, the lower end of described cyclone air-flotation device is provided with water outlet, and described water outlet is provided with motor-operated control valve.
5. oil field sewage treating equipment according to claim 4, is characterized in that, on described cyclone air-flotation device, liquid level sensor is set, and described liquid level sensor is connected with described motor-operated control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110348671.3A CN103086455B (en) | 2011-11-07 | 2011-11-07 | Oilfield sewage treatment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110348671.3A CN103086455B (en) | 2011-11-07 | 2011-11-07 | Oilfield sewage treatment apparatus |
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| Publication Number | Publication Date |
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| CN103086455A CN103086455A (en) | 2013-05-08 |
| CN103086455B true CN103086455B (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110348671.3A Expired - Fee Related CN103086455B (en) | 2011-11-07 | 2011-11-07 | Oilfield sewage treatment apparatus |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103351038A (en) * | 2013-08-07 | 2013-10-16 | 华油惠博普科技股份有限公司 | Gas-floatation rotational-flow coalescence composite type sewage oil-removing device |
| CN105621517B (en) * | 2016-03-23 | 2018-11-02 | 北京石油化工学院 | The device and method for carrying out oily waste water treatment based on single tank twin-stage cyclone air-flotation device |
| CN106587243A (en) * | 2016-12-05 | 2017-04-26 | 中国海洋石油总公司 | Efficient cyclone and floatation integrated device |
| CN109336219A (en) * | 2018-12-05 | 2019-02-15 | 宁夏北斗星物联科技有限公司 | A kind of water purification system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1470461A (en) * | 2003-06-23 | 2004-01-28 | 华东理工大学 | Oil-containing sewage floatation cyclone coupling separation method |
| JP2007160178A (en) * | 2005-12-12 | 2007-06-28 | Mitsubishi Heavy Ind Ltd | Water area purifying apparatus, aquatic-contamination living organism recovery ship and method for treating aquatic-contamination living organism |
| CN201932927U (en) * | 2011-02-12 | 2011-08-17 | 天津瑞吉德科技有限公司 | Dissolved-gas type micro-vortex flow gas-floating oily sewage treatment device |
-
2011
- 2011-11-07 CN CN201110348671.3A patent/CN103086455B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1470461A (en) * | 2003-06-23 | 2004-01-28 | 华东理工大学 | Oil-containing sewage floatation cyclone coupling separation method |
| JP2007160178A (en) * | 2005-12-12 | 2007-06-28 | Mitsubishi Heavy Ind Ltd | Water area purifying apparatus, aquatic-contamination living organism recovery ship and method for treating aquatic-contamination living organism |
| CN201932927U (en) * | 2011-02-12 | 2011-08-17 | 天津瑞吉德科技有限公司 | Dissolved-gas type micro-vortex flow gas-floating oily sewage treatment device |
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| CN103086455A (en) | 2013-05-08 |
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Effective date of registration: 20181212 Address after: 710075 High-tech Ginza Building No. 6, High-tech Road, Xi'an High-tech Zone, Shaanxi Province, Room 11101 Patentee after: SHAANXI RUIKE SPECIAL EQUIPMENT TECHNOLOGY CO.,LTD. Address before: 710061 Room 4018 Guosheng Building, Middle Section of Electronic Second Road, Yanta District, Xi'an City, Shaanxi Province Patentee before: SHAANXI YUQING OILFIELD WATER TREATMENT TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20140910 Termination date: 20211107 |
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