CN101298028B - Mixed stirring device of acidizing substance - Google Patents
Mixed stirring device of acidizing substance Download PDFInfo
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- CN101298028B CN101298028B CN2008100466862A CN200810046686A CN101298028B CN 101298028 B CN101298028 B CN 101298028B CN 2008100466862 A CN2008100466862 A CN 2008100466862A CN 200810046686 A CN200810046686 A CN 200810046686A CN 101298028 B CN101298028 B CN 101298028B
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Abstract
The invention discloses an acidification matter mixing and stirring device, which pertains to the field of oilfield fracturing and sand mixing equipment. The acidification matter mixing and stirring device comprises a tank body, a stirring device, a suction pipe, a liquid inlet and a mixture liquid outlet and is characterized in that: the tank body is provided with a sealing tank cover which is sealed with the tank body, provided with a funnelform sand inlet and a dry powder additive and liquid additive inlet and connected with a fog eliminating device through an acid fog discharging elbow, a foam removal device is arranged at the shaft of the stirring device and the inner side of the tank cover and the outer side of the tank body is provided with a liquid collecting manifold which is at a position set by a mixture liquid level and is connected with a liquid collecting main pipe; the tank body and parts contacting acid liquid are made of anticorrosion materials or carried out anticorrosion treatment and for further improvement, the tank body is internally provided with a plurality of separator nets. The acidification matter mixing and stirring device solves the technical difficulty that the current mixing tank is not acid-proof and corrosion resistant, effectively prevents the acid liquid and the acid fog from overflow, avoids harm to operators and pollution to the working environment due to the overflow of the acid mixture, improves the acid-proof property and service life of the device and provides a guarantee for the safety of fracturing and acidizing treatment.
Description
Affiliated technical field:
The present invention relates to the mixed stirring device of oil-gas field fracturing sand blender.
Background technology:
Fracturing work is the major measure of oilfield stimulation.Development along with the oil field compression fracture technology, significantly effect of increasing production had been made already in the acidifying sand fracturing, by in the blending tank of sand blender, add 20% concentrated hydrochloric acid and sulfuric acid solution with jar in blending agent mixes afterwards the injection oil well and realizes, but acid solution can produce a large amount of foam, acid mist in suction, mixture stirring, discharge process, foam, acid mist and mixed liquor overflow the threat operator safety, cause the damage and the environmental pollution of equipment.The applicant mixes tank arrangement in the vertical two-chamber of patent of application on December 18th, 1996, the patent No. is ZL96239886.1, its blending tank is barrel-shaped evolution formula structure, mainly constitute by tank body, mixing agitator, suction discharge pipe etc., the easy sand setting of blending tank, sand have been solved than little problem, but do not have acid-proof, froth breaking, anti-overflow, corrosion-resistant function, can not be used to add 20% the concentrated hydrochloric acid and the mixing of sulfuric acid solution and stir operation, need exploitation a kind of can with the supporting mixed stirring device of acidizing substance of acidifying sand fracturing operation technique.
Summary of the invention:
The objective of the invention is to: a kind of mixed stirring device of acidizing substance is provided, possess that effective seal, anti-overflow, fog dispersal, froth breaking, acid mist are handled, anticorrosive function, the injury that causes personnel of avoiding acidic mixture in whipping process, to overflow, the damage of equipment and the pollution of environment.
The present invention realizes above-mentioned purpose by following technical solution:
Mixed stirring device of acidizing substance comprises tank body, agitator, suction line, inlet, mixture export, it is characterized in that: tank body is provided with the sealed tank cap with tank body band funnel-form sand inlet and dry powder additive, liquid additive inlet, discharging bend pipe by acid mist on cover links with the fog dispersal device, on the axle of the inboard agitator of cover, be provided with bubble elimination device, the liquid collecting manifold that the tank body outside is provided with, manifold links with the height and position that allows with the mixture liquid level and with the manifold; Described defoaming device is enclosed within on the axle of agitator, is made of the pipe that has a plurality of apertures that intersects, and pipe links with a jar outer water inlet; Described fog dispersal device comprises blower fan and acid mist neutralizing tank, acid mist is discharged bend pipe one end and cover links, the other end connects the suction inlet of blower fan, link by bend pipe between the outlet of blower fan and the acid mist neutralizing tank, be provided with interlayer in the acid mist neutralizing tank, in lower floor's tank body alkaline solution is housed, the bend pipe that connects blower fan and acid mist neutralizing tank from the tank deck that seals extends to alkaline solution in lower floor's tank body, end bending at the bottom of the jar; Described cover is provided with the peep hole that transparent material is made, and seals with cover; Tank body and the parts that contact with acid solution adopt resistant material to make; As further improvement, be provided with a plurality of dividing plate nets in the tank body, between double-deck stirring vane, resistant material is adopted on tank body and the surface that contacts with acid solution.
During acidizing treatment, contain 20% hydrochloric acid and sulfate radical acid solution by what suction pump was carried, along the circumferential direction enter the central stirring pool of blending tank by the skin of jar by suction inlet, solid mixture sand and dry powder enter the jar from the funnel-form suction inlet of jar, and acid solution is mixed the stirring back with dry powder, liquid additive and sand and discharged by outlet in stirring pool.In whipping process, defoaming device penetrates band on the liquid level top of mixture and presses water spray, break up, eliminate surfactant foam, guarantee that liquid level automatic control device can accurately detect mixture liquid level signal, and according to the liquid level situation of change, regulation and control feed liquor amount, when the acidic mixture liquid level had surpassed the control height, acid solution overflowed into jar collector tube in the outside; Mixed stirring device of acidizing substance is in when work, blower fan with the acid mist in the jar be evacuated in the acid mist neutralizing tank with jar in alkaline solution be neutralized into harmless salting liquid, eliminated the corrosivity of acid mist.After operation is finished, discharge the liquid in the acid mist neutralizing tank; Open blending tank bottom tapping butterfly valve, the acidic mixture of remnants is entered in the special-purpose liquid storage container, avoid environment damage.
Beneficial effect compared with prior art:
1. mixed stirring device of acidizing substance tank body and cover sealing, sand inlet are that funnel-shaped structure reduces a large amount of volatilizations of acid mist and causes to the pollution of working environment and to personnel's injury.
2. in the tank body defoaming device is set, the band of generation presses water spray in time to eliminate a large amount of foams that produce in the whipping process, makes fluid level control device accurately detect liquid level, prevents that acidic mixture from overflowing.
3. the acid mist that produces when acid fog removing device mixes acidulants sucks in the acid mist neutralizing tank by blower fan and neutralizes with alkaline solution, eliminates the harm of acid mist.
4. be pooled to by the acid-proof sebific duct when acid solution is too much in a plurality of collector tubes of tank body arranged outside, blending tank and prevent among the manifold that the strong acid mixed liquor from not overflowing, guarantee not cause in the work progress to the infringement of equipment with to the pollution of environment.
5. tank body is provided with the large tracts of land peep hole, can observe the mixing stirring state of mixed liquor in the work progress at any time.
6. the tank body that contacts with acid solution of acidifying mixed stirring device and relevant surfaces thereof adopt resistant material, have guaranteed the service life of agitating device.
7. be provided with a plurality of dividing plate nets in the tank body, the long-pending group that the sand in the mixture produces in mixed liquor breaks up the sand group of rotation fast by the dividing plate net, reaches and stirs more effect of uniform.
Description of drawings:
Fig. 1 is the mixed stirring device of acidizing substance front view;
Fig. 2 is the mixed stirring device of acidizing substance vertical view;
Fig. 3 is a mixed stirring device of acidizing substance tank body front view;
Fig. 4 is an acidulants blending tank tank body left view;
Fig. 5 is an acidulants blending tank A-A cutaway view;
The specific embodiment:
Referring to Fig. 1, Fig. 2, mixed stirring device of acidizing substance comprises tank body and fog dispersal device, the outside of tank body 1 is provided with acid solution suction line 3, feed tube 9, discharge pipe 5, agitator 6 is positioned at the center of tank body 1, fluid motor 14 is equipped with in the axle upper end, above tank body 1, be provided with sealed tank cap 15, ultrasonic wave liquid level control device interface 17 is housed on the cover 15, infundibulate sand inlet 11, liquid additive inlet 18, dry powder additive inlet 20, defoaming device 2 water inlets 22, cover 15 is provided with the peep hole 10 and 12 that transparent tempering acid-resistant glass is made, cover 15 and tank body 1 sealing; Fog dispersal device one end links by acid mist discharge pipe 13 and cover 15, the other end connects blower fan 24, link by bend pipe 25 between blower fan air exit and the acid mist neutralizing tank 23, described acid mist neutralizing tank 23 middle parts are provided with an interlayer, bend pipe 25 extends to the alkaline solution of lower floor's tank body from the tank deck of sealing, end bending at the bottom of the jar.Referring to Fig. 3 and shown in Figure 4, axle top at cover 15 inboard agitators 6 is set with bubble elimination device 2, at the bottom of jar, be provided with bleeder valve 7, double-deck stirring vane 16 is equipped with in 6 lower ends of agitator, 6 upper ends of agitator are passed cover 15 and are linked with fluid motor 14,4 fast dividing plate nets 4 are equipped with in tank body 1 inboard, be provided with the pipe joint of four acid solution suction manifolds 3 in the edge, top of tank body 1, one circle baffle plate 19 is arranged at the top of tank body, there is the pipe joint of four suction lines 8 in the baffle plate outside, be pooled among the manifold by the acid-proof sebific duct, the strong acid mixed liquor is not overflowed; 4 dividing plate nets 4 of tank body 1 inner face dress are equipped with an illuminating lamp 25 near the form hole 10 of tank top, guaranteeing has light in the hermetically sealed can, and 12 places can be observed into sand and stirring state in the form hole.Referring to Fig. 5, described defoaming device 2 is made of the pipe that has a plurality of apertures 21 that intersects, and pipe links with a jar outer water inlet 22, interlaced 45 degree of described aperture, diameter 1-1.5mm; Adopt resistant material 00Cr18Ni14Mo2 or process preservative treatment with the tank body and the relevant parts of acid medium contact, seal adopts acidproof neoprene or nitrile rubber material to make.Whole device can be installed on the car of chassis, also can be installed on the sledge seat.
During mixed stirring device of acidizing substance work, the pad of frac of being carried by inlet 9 enters in the tank body 1 along the tangential direction of tank body, sand is vertically entered in the blending tank 1 by the infundibulate sand inlet 11 of tank top simultaneously, fully mix with chemical liquid additive, 20 dry powder additives of carrying that enter the mouth that liquid additive inlet 18 is carried, form a kind of mixed liquor of suspension.In whipping process, can produce a large amount of foams, defoaming device 2 penetrates water spray with pressure on the liquid level top of jar, breaks up foam, guarantees that fluid level control device can accurately detect the liquid level signal, makes liquid level controlled not excessive.Owing to advance sand in a large number, sand can long-pending group in mixed liquor in the whipping process, and 4 dividing plate nets 4 of tank body 1 inner face dress can be broken up the sand of rotation fast, sand, liquid and glue crosslinking agent can be molten fully and, reach the effect that stirs; The acid mist that produces in the stirring sucks in the acid mist neutralizing tank and the alkali lye neutralisation treatment through blower fan; After operation is finished, handle neutralizer, open the tapping butterfly valve 7 that is located at jar 1 bottom, in the container that sand liquid input remaining at the bottom of the jar is special-purpose, guarantee entire job process harmless to personnel, equipment and environment.
Claims (7)
1. mixed stirring device of acidizing substance, comprise tank body, agitator, acid solution suction line, inlet, mixture export, it is characterized in that: tank body is provided with the sealed tank cap with tank body band funnel-form sand inlet and dry powder additive, liquid additive inlet, cover is discharged bend pipe by acid mist and is linked with the fog dispersal device, on the axle of the inboard agitator of cover, be provided with bubble elimination device, the outside of tank body is provided with the liquid collecting manifold, and manifold is positioned at the height of mixture liquid level setting and with the manifold and links.
2. mixed stirring device of acidizing substance according to claim 1 is characterized in that described bubble elimination device is enclosed within on the axle of agitator, is made of the pipe that has a plurality of apertures that intersects, and pipe links with a jar outer water inlet.
3. mixed stirring device of acidizing substance according to claim 2 is characterized in that interlaced 45 degree of described aperture, diameter 1-1.5mm.
4. mixed stirring device of acidizing substance according to claim 1 and 2, it is characterized in that: described fog dispersal device comprises blower fan and acid mist neutralizing tank, acid mist is discharged bend pipe one end and is linked to each other with cover, the other end connects the suction inlet of blower fan, link by bend pipe between the outlet of blower fan and the acid mist neutralizing tank, be provided with interlayer in the acid mist neutralizing tank, in lower floor's tank body alkaline solution is housed, the bend pipe that connects blower fan and acid mist neutralizing tank from the tank deck that seals extends to alkaline solution in lower floor's tank body, end bending at the bottom of the jar.
5. mixed stirring device of acidizing substance according to claim 4 is characterized in that described cover is provided with the peep hole that transparent material is made, and seals with cover.
6. mixed stirring device of acidizing substance according to claim 4 is characterized in that being distributed with in the tank body a plurality of dividing plate nets.
7. mixed stirring device of acidizing substance according to claim 4 is characterized in that the acidifying tank body reaches the parts that contact with acid solution and adopts resistant material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100466862A CN101298028B (en) | 2008-01-10 | 2008-01-10 | Mixed stirring device of acidizing substance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100466862A CN101298028B (en) | 2008-01-10 | 2008-01-10 | Mixed stirring device of acidizing substance |
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| Publication Number | Publication Date |
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| CN101298028A CN101298028A (en) | 2008-11-05 |
| CN101298028B true CN101298028B (en) | 2010-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100466862A Active CN101298028B (en) | 2008-01-10 | 2008-01-10 | Mixed stirring device of acidizing substance |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104587868B (en) * | 2014-12-29 | 2016-05-04 | 中联重科股份有限公司 | A kind of mixing sand tank, fracturing blender truck and fracturing unit truck group |
| CN107975350B (en) * | 2018-01-12 | 2024-02-13 | 中石化四机石油机械有限公司 | Drilling plug pumping operation equipment |
| CN111744424A (en) * | 2020-05-25 | 2020-10-09 | 四川宏华石油设备有限公司 | Mixer truck agitator tank structure |
| CN112943193A (en) * | 2021-03-19 | 2021-06-11 | 大庆油田有限责任公司 | Preparation and injection integrated acidizing plug removal process |
| CN116378622B (en) * | 2023-06-06 | 2023-08-18 | 西安博宏石油科技有限公司 | Acid liquor injection device for acidification of oil field oil-water well |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4930576A (en) * | 1989-04-18 | 1990-06-05 | Halliburton Company | Slurry mixing apparatus |
| US5195824A (en) * | 1991-04-12 | 1993-03-23 | Halliburton Company | Vessel agitator for early hydration of concentrated liquid gelling agent |
| CN2282066Y (en) * | 1996-12-18 | 1998-05-20 | 江汉石油管理局第四机械厂 | Vertical double cavity mixing tank device |
| CN2569898Y (en) * | 2002-09-19 | 2003-09-03 | 沈阳化工股份有限公司 | Mixed type stirrer |
| CN201182980Y (en) * | 2008-01-10 | 2009-01-21 | 中国石化集团江汉石油管理局第四机械厂 | Acidulation substance mixing agitator |
-
2008
- 2008-01-10 CN CN2008100466862A patent/CN101298028B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4930576A (en) * | 1989-04-18 | 1990-06-05 | Halliburton Company | Slurry mixing apparatus |
| US5195824A (en) * | 1991-04-12 | 1993-03-23 | Halliburton Company | Vessel agitator for early hydration of concentrated liquid gelling agent |
| CN2282066Y (en) * | 1996-12-18 | 1998-05-20 | 江汉石油管理局第四机械厂 | Vertical double cavity mixing tank device |
| CN2569898Y (en) * | 2002-09-19 | 2003-09-03 | 沈阳化工股份有限公司 | Mixed type stirrer |
| CN201182980Y (en) * | 2008-01-10 | 2009-01-21 | 中国石化集团江汉石油管理局第四机械厂 | Acidulation substance mixing agitator |
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| CN101298028A (en) | 2008-11-05 |
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Owner name: SJ PETROLEUM MACHINERY CO., SINOPEC Free format text: FORMER NAME: THE FOURTH MACHINERY FACTORY OF SINOPEC JIANGHAN PETROLEUM ADMINISTRATION BUREAU |
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| CP01 | Change in the name or title of a patent holder |
Address after: 434024 Hubei city of Jingzhou province outside the West four Road No. 1 Patentee after: SJ Petroleum Machinery Co., SINOPEC Address before: 434024 Hubei city of Jingzhou province outside the West four Road No. 1 Patentee before: SJ Petroleum Machinery Co. |
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Effective date of registration: 20171019 Address after: 434020 No. 1 Longshan Temple Street, Jingzhou District, Jingzhou, Hubei Co-patentee after: SINOPEC OILFIELD EQUIPMENT CORPORATION Patentee after: Four Sinopec Petroleum Machinery Co. Ltd. Address before: 434024 Hubei city of Jingzhou province outside the West four Road No. 1 Patentee before: SJ Petroleum Machinery Co., SINOPEC |
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Effective date of registration: 20220324 Address after: 434020 Longshan Temple Street, Jingzhou District, Jingzhou, Hubei Patentee after: SINOPEC SIJI PETROLEUM MACHINERY Co.,Ltd. Patentee after: SINOPEC OILFIELD EQUIPMENT Corp. Patentee after: SJS Ltd. Address before: 434020 Longshan Temple Street, Jingzhou District, Jingzhou, Hubei Patentee before: SINOPEC SIJI PETROLEUM MACHINERY Co.,Ltd. Patentee before: Sinopec Petroleum Machinery Co., Ltd |