CN202047767U - Drilling waste liquid treatment device - Google Patents

Drilling waste liquid treatment device Download PDF

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Publication number
CN202047767U
CN202047767U CN2011201549978U CN201120154997U CN202047767U CN 202047767 U CN202047767 U CN 202047767U CN 2011201549978 U CN2011201549978 U CN 2011201549978U CN 201120154997 U CN201120154997 U CN 201120154997U CN 202047767 U CN202047767 U CN 202047767U
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CN
China
Prior art keywords
storage tank
tank
solid
drilling
oxidation reaction
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Expired - Fee Related
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CN2011201549978U
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Chinese (zh)
Inventor
刘宇程
祝效华
陈明燕
杜国勇
汤历平
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Southwest Petroleum University
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Southwest Petroleum University
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Priority to CN2011201549978U priority Critical patent/CN202047767U/en
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Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a drilling waste liquid treatment device. The utility model adopts the technical scheme that a slurry pump is connected between a drilling waste liquid storage tank and a destabilization and flocculation agitation tank; a destabilization agent storage tank filled with a destabilization agent and a flocculating agent storage tank filled with a flocculating agent are respectively connected with the destabilization and flocculation agitation tank; the destabilization and flocculation agitation tank is connected with a solid-liquid separation device; the solid-liquid separation device is respectively connected with a mud cake storage for containing a solid phase obtained by solid-liquid separation and a sewage settling tank for containing an obtained liquid phase; the upper end of the sewage settling tank is connected with the destabilization agent storage tank and the flocculating agent storage tank; the lower end of the sewage settling tank is connected with a coagulation reaction tank; the coagulation reaction tank is connected with an oxidation reaction tank; the coagulation reaction tank and the oxidation reaction tank are respectively connected with a coagulant storage tank and an oxidizing agent storage tank; the oxidation reaction tank is connected with a clear water storage tank; outlets of the sewage settling tank and the oxidation reaction tank, which are used for returning the solid phase, are connected with the solid-liquid separation device; and a flushing storage tank is arranged between the clear water storage tank and the solid-liquid separation device. The drilling waste liquid treatment device is convenient to operate and has high working efficiency.

Description

A kind of waste liquid of drilling treating apparatus
Technical field
The utility model relates to used equipment in a kind of petroleum gas drilling, particularly a kind of waste liquid of drilling treating apparatus.
Background technology
Waste liquid of drilling is the mixture of drilling mud, petroleum-type and drilling cuttings etc., and its complicated component contains the various components in the drilling mud, as clay, organic polymer, oils, inorganic salts, drilling cuttings, drilling fluid additive etc.Suspension content is everlasting more than the 2000mg/L, and these suspensions are the colloid shape, adds the colloid protecting action of drilling fluid, makes it become stable dispersion, has the character of colloid and suspended solids, therefore has suitable stability.It can not sink in water body for a long time, causes the destruction of water ecology and influences the function of water, and COD exceeds standard tens times to hundred times, and the water body that enters may cause blackout smelly, can not use at all; The content of oily substance whenever is raised to several ten thousand milligrams every liter from tens milligrams and does not wait, and is discharged into the serious decline that will cause environmental quality behind the external world.In addition; because drilling well need of work; be aided with a large amount of drilling fluid additives in the drilling fluid, wherein many have the Jiao Hebao of protecting and be applied, and they are adsorbed on to form on the surface of clay has certain thickness diaphragm; clay particle is surrounded wherein; greatly reduce clay particle attraction each other,, make waste liquid of drilling become a kind of special colloid-stabilised system by the spatial stability effect; the special component of waste liquid of drilling makes it have suitable stability, and potential value is very high.The introducing of drilling cuttings and stratum mineral makes and contains multiple hazardous substances in the waste liquid of drilling, and biology is had very strong toxic action.Especially the improvement of drilling recent years technology; the new low solid phase and the application of clay-free drilling fluid; the COD of waste liquid of drilling is increased greatly, thereby brought very big difficulty for the processing of waste liquid of drilling, become a great problem that perplexs the oil gas field environmental protection for a long time.
Have a large amount of waste liquid of drilling in the Process of Oil Well Drilling and leave in the scene, handled and dispose as not adopting suitable method, just landfill disposal simply will inevitably form potential pollution sources.Leak and the seepage of pollutant will cause surrounding enviroment and phreatic pollution, directly have influence on the ordinary production operation in oil field.
The utility model content
The purpose of this utility model is: in order to overcome above-mentioned difficult point; a kind of waste liquid of drilling treating apparatus is provided; can handle the rejected well drilling liquid that drilling well produces effectively; thereby reach the high-efficiency environment friendly of waste liquid of drilling is administered; this device is simple and reliable; convenient moving, the recyclable utilization of the pollutant of processing not only economizes on resources but also protect environment.
In order to achieve the above object, the technical solution adopted in the utility model is: a kind of waste liquid of drilling treating apparatus, mainly by the waste liquid of drilling storage tank, slush pump, take off steady flocculation agitator tank, the coagulant storage tank, the flocculant storage tank, equipment for separating liquid from solid, the mud cake holder, the sewage subsider, the coagulating jar, the coagulant storage tank, the oxidation reaction jar, the oxidant storage tank, clear water storage tank and flushing storage tank are formed, described slush pump is connected in the waste liquid of drilling storage tank and takes off between the steady flocculation agitator tank, the coagulant storage tank that coagulant is housed and the flocculant storage tank that flocculant is housed respectively with take off steady flocculation agitator tank and link to each other, taking off steady flocculation agitator tank links to each other with equipment for separating liquid from solid, equipment for separating liquid from solid links to each other with being used to adorn through the mud cake holder of Separation of Solid and Liquid gained solid phase and the sewage subsider of adorning separating obtained liquid phase respectively, sewage subsider upper end is connected with coagulant storage tank and flocculant storage tank, sewage subsider lower end is connected with the coagulating jar, the coagulating jar connects the oxidation reaction jar, coagulating jar and oxidation reaction jar are connected with coagulant storage tank and oxidant storage tank respectively, the oxidation reaction jar links to each other with the clear water storage tank, the outlet that sewage subsider and oxidation reaction jar are used to return solid phase links to each other with equipment for separating liquid from solid, is provided with a flushing storage tank between clear water storage tank and equipment for separating liquid from solid.
Compared with prior art, the beneficial effect that the utlity model has is: this device can be realized the multi-stage separation to waste liquid of drilling, can realize the processing to waste liquid of drilling effectively; This apparatus structure is simple, and is easy to operate, good to the waste liquid of drilling treatment effect, and solid after treatment and waste water can utilize or qualified discharge again, do not produce secondary environmental pollution.
Description of drawings
Fig. 1 is the structural representation of a kind of waste liquid of drilling treating apparatus of the utility model;
Among the figure: 1. waste liquid of drilling storage tank, 2. slush pump 3. takes off steady flocculation agitator tank, 4. coagulant storage tank, 5. flocculant storage tank, 6. equipment for separating liquid from solid, 7. mud cake holder, 8. sewage subsider, 9. coagulating jar, 10. coagulant storage tank, 11. oxidation reaction jar, 12. the oxidant storage tank, 13. clear water storage tanks, 14 flushing storage tanks.
The specific embodiment
As shown in Figure 1, a kind of waste liquid of drilling treating apparatus, mainly by waste liquid of drilling storage tank 1, slush pump 2, take off steady flocculation agitator tank 3, coagulant storage tank 4, flocculant storage tank 5, equipment for separating liquid from solid 6, mud cake holder 7, sewage subsider 8, coagulating jar 9, coagulant storage tank 10, oxidation reaction jar 11, oxidant storage tank 12, clear water storage tank 13 and flushing storage tank 14 are formed, described slush pump 2 is connected in waste liquid of drilling storage tank 1 and takes off between the steady flocculation agitator tank 3, the coagulant storage tank 4 that coagulant is housed and the flocculant storage tank 5 that flocculant is housed respectively with take off steady flocculation agitator tank 3 and link to each other, taking off steady flocculation agitator tank 3 links to each other with equipment for separating liquid from solid 6, equipment for separating liquid from solid 6 links to each other with being used to adorn through the mud cake holder 7 of Separation of Solid and Liquid gained solid phase and the sewage subsider 8 of adorning separating obtained liquid phase respectively, sewage subsider 8 upper ends are connected with coagulant storage tank 4 and flocculant storage tank 5, sewage subsider 8 lower ends are connected with coagulating jar 9, coagulating jar 9 connects oxidation reaction jar 11, coagulating jar 9 is connected with coagulant storage tank 10 and oxidant storage tank 12 respectively with oxidation reaction jar 11, oxidation reaction jar 11 links to each other with clear water storage tank 13, the outlet that sewage subsider 8 and oxidation reaction jar 11 are used to return solid phase links to each other with equipment for separating liquid from solid 6, is provided with a flushing storage tank 14 at clear water storage tank 13 and 6 of equipment for separating liquid from solid.
In the processing procedure of waste liquid of drilling, waste liquid of drilling is pressed into through slush pump 2 and takes off steady flocculation agitator tank 3, in taking off steady flocculation agitator tank 3, add coagulant and flocculant and fully stirring successively, enter equipment for separating liquid from solid 6 through taking off waste liquid of drilling steady and flocculation, isolated solid is landfill or add curing compound and solidify processing on the spot on the spot, the liquid phase of discharging through equipment for separating liquid from solid 6 enters sewage subsider 8, in subsider 8, add coagulant and flocculant successively and carry out the sedimentation processing, liquid phase after treatment pumps into coagulating jar 9, in coagulating jar 9, add coagulant, liquid phase after the coagulating treatment is oxidized processing in oxidation reaction jar 11, the isolated solid phase of sedimentation and oxidation is returned to equipment for separating liquid from solid 6, clear liquid enters clear water holding vessel 13, qualified discharge or as wash water.

Claims (1)

1. waste liquid of drilling treating apparatus, mainly by waste liquid of drilling storage tank (1), slush pump (2), take off steady flocculation agitator tank (3), coagulant storage tank (4), flocculant storage tank (5), equipment for separating liquid from solid (6), mud cake holder (7), sewage subsider (8), coagulating jar (9), coagulant storage tank (10), oxidation reaction jar (11), oxidant storage tank (12), clear water storage tank (13) and flushing storage tank (14) are formed, described slush pump (2) is connected in waste liquid of drilling storage tank (1) and takes off between the steady flocculation agitator tank (3), the coagulant storage tank (4) that coagulant is housed and the flocculant storage tank (5) that flocculant is housed respectively with take off steady flocculation agitator tank (3) and link to each other, taking off steady flocculation agitator tank (3) links to each other with equipment for separating liquid from solid (6), equipment for separating liquid from solid (6) links to each other with being used to adorn through the mud cake holder (7) of Separation of Solid and Liquid gained solid phase and the sewage subsider (8) of adorning separating obtained liquid phase respectively, sewage subsider (8) upper end is connected with coagulant storage tank (4) and flocculant storage tank (5), sewage subsider (8) lower end is connected with coagulating jar (9), coagulating jar (9) connects oxidation reaction jar (11), coagulating jar (9) is connected with coagulant storage tank (10) and oxidant storage tank (12) respectively with oxidation reaction jar (11), oxidation reaction jar (11) links to each other with clear water storage tank (13), the outlet that sewage subsider (8) and oxidation reaction jar (11) are used to return solid phase links to each other with equipment for separating liquid from solid (6), is provided with a flushing storage tank (14) between clear water storage tank (13) and equipment for separating liquid from solid (6).
CN2011201549978U 2011-05-16 2011-05-16 Drilling waste liquid treatment device Expired - Fee Related CN202047767U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201549978U CN202047767U (en) 2011-05-16 2011-05-16 Drilling waste liquid treatment device

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Application Number Priority Date Filing Date Title
CN2011201549978U CN202047767U (en) 2011-05-16 2011-05-16 Drilling waste liquid treatment device

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CN202047767U true CN202047767U (en) 2011-11-23

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102757143A (en) * 2012-08-14 2012-10-31 成都凯迈科技有限公司 Well drilling wastewater flocculation precipitation treatment device and wastewater treating method
CN102765837A (en) * 2012-08-14 2012-11-07 成都凯迈科技有限公司 Well drilling waste water flocculent precipitate desliming processing device and method for processing sewage
CN103951150A (en) * 2014-05-19 2014-07-30 西南石油大学 Oily sludge treatment system
CN104712273A (en) * 2015-03-31 2015-06-17 中石化胜利石油工程有限公司渤海钻井总公司 Drilling waste slurry integrated treatment system
CN104948126A (en) * 2015-05-26 2015-09-30 成都高普石油工程技术有限公司 Well drilling waste liquid rock debris separating technology
CN105064938A (en) * 2015-07-28 2015-11-18 克拉玛依金鑫油田环保工程有限公司 Integrated device for treating waste drilling fluid by chemical flocculation and mechanical squeezing
CN105130047A (en) * 2015-08-18 2015-12-09 任丘市奥源石油科技有限公司 Well killing fluid processing method and equipment
CN105221111A (en) * 2015-10-28 2016-01-06 中国石油集团渤海钻探工程有限公司 A kind of oil-contained drilling cuttings is with brill processing method
CN107162274A (en) * 2017-07-05 2017-09-15 河南北斗众创高新技术研究院有限公司 A kind of sewage solid separation and cleaning system

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102757143A (en) * 2012-08-14 2012-10-31 成都凯迈科技有限公司 Well drilling wastewater flocculation precipitation treatment device and wastewater treating method
CN102765837A (en) * 2012-08-14 2012-11-07 成都凯迈科技有限公司 Well drilling waste water flocculent precipitate desliming processing device and method for processing sewage
CN102757143B (en) * 2012-08-14 2014-04-09 成都凯迈环保技术有限公司 Well drilling wastewater flocculation precipitation treatment device and wastewater treating method
CN103951150A (en) * 2014-05-19 2014-07-30 西南石油大学 Oily sludge treatment system
CN104712273A (en) * 2015-03-31 2015-06-17 中石化胜利石油工程有限公司渤海钻井总公司 Drilling waste slurry integrated treatment system
CN104712273B (en) * 2015-03-31 2017-03-29 中石化胜利石油工程有限公司渤海钻井总公司 Well drilling waste mud integrated processing system
CN104948126A (en) * 2015-05-26 2015-09-30 成都高普石油工程技术有限公司 Well drilling waste liquid rock debris separating technology
CN105064938A (en) * 2015-07-28 2015-11-18 克拉玛依金鑫油田环保工程有限公司 Integrated device for treating waste drilling fluid by chemical flocculation and mechanical squeezing
CN105064938B (en) * 2015-07-28 2018-05-22 克拉玛依金鑫油田环保工程有限公司 The integrating device of chemical flocculation and mechanical presses processing rejected well drilling liquid
CN105130047A (en) * 2015-08-18 2015-12-09 任丘市奥源石油科技有限公司 Well killing fluid processing method and equipment
CN105221111A (en) * 2015-10-28 2016-01-06 中国石油集团渤海钻探工程有限公司 A kind of oil-contained drilling cuttings is with brill processing method
CN107162274A (en) * 2017-07-05 2017-09-15 河南北斗众创高新技术研究院有限公司 A kind of sewage solid separation and cleaning system

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111123

Termination date: 20140516