CN211598629U - Stirring conveyor is used in oil fracturing acidizing - Google Patents
Stirring conveyor is used in oil fracturing acidizing Download PDFInfo
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- CN211598629U CN211598629U CN202020181692.5U CN202020181692U CN211598629U CN 211598629 U CN211598629 U CN 211598629U CN 202020181692 U CN202020181692 U CN 202020181692U CN 211598629 U CN211598629 U CN 211598629U
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Abstract
The utility model discloses a stirring and conveying device for petroleum fracturing acidification, which comprises a piston container, a piston and a piston rod, wherein the piston is in sliding connection with the side wall of the piston container, one end of the piston rod is connected with the piston, the other end of the piston rod passes through the inner side wall of the piston container and is in sliding connection with the inner side wall, a discharging pipe with a one-way valve is connected to the non-driving end of the piston container, a liquid mixing chamber is connected to the non-driving end of the piston container, and a mechanical stirring mechanism is arranged in the liquid mixing chamber; the utility model discloses a through inlet pipe and discharge ring, the even feeding of the circumference of being convenient for, the feeding is comparatively even, is favorable to the intensive mixing, simultaneously through pressing the end device, the push rod of being convenient for along with the piston reciprocating motion in-process drives the pressure bottom plate and extrudees the liquid of liquid mixing chamber bottom from top to bottom to make the inside liquid of liquid mixing chamber flow from top to bottom, the liquid of liquid mixing chamber bottom also can be arrived by the intensive mixing during stirring, additive in the liquid is difficult to deposit in the bottom, improves the practicality.
Description
Technical Field
The utility model particularly relates to an oil fracturing technical field especially relates to an oil fracturing acidizing is with stirring conveyor.
Background
The fracturing and acidizing refers to an acid treatment process for squeezing acid into a stratum under the pressure which is enough to press the stratum to form cracks or open original cracks of the stratum, is mainly used for plugging oil and gas wells in a deeper range or a low-permeability area, is a measure for increasing production and injection which is widely adopted in oilfield limestone oil reservoirs at home and abroad, and has become an important well completion means.
Through retrieval, the utility model with Chinese patent publication No. CN201921842642.0 discloses a stirring and conveying device for petroleum fracturing acidification, which comprises a piston container, a piston and a piston rod, wherein the piston is connected with the side wall of the piston container in a sliding way, one end of the piston rod is connected with the piston, the other end of the piston rod passes through the wall of the piston container and is connected with the piston in a sliding way, the non-driving end of the piston container is connected with a discharging pipe with a one-way valve, the non-driving end of the piston container is connected with a liquid mixing chamber, the liquid mixing chamber is connected with a feeding pipe with a one-way valve, a mechanical stirring mechanism is arranged in the liquid mixing chamber, the mechanical stirring mechanism comprises a push rod, a rolling bearing, an inner cylinder and a stirring paddle, the outer ring of the rolling bearing is fixedly connected with the side wall of the liquid mixing chamber through, set up the spiral boss that matches with the helicla flute on the push rod, push rod one end is connected with the piston, and the other end passes the inner tube, and it is when using, promotes piston reciprocating motion in the piston container through the piston rod to the push rod is along with piston reciprocating motion in-process, thereby the spiral boss promotes the helicla flute and realizes that the inner tube is rotatory, drives the stirring rake stirring liquid then.
The above patent finds that in use, because the feeding is carried out at the side edge, the feeding is uneven, the full stirring is not facilitated, the liquid at the bottom of the liquid mixing chamber can not be fully stirred during the stirring, the additive in the liquid is easy to deposit at the bottom, and the practicability is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the stirring conveyor is used in acidizing of a petroleum fracturing that proposes, its feeding is comparatively even, is favorable to the intensive mixing to the liquid of liquid mixing chamber bottom also can be arrived by the intensive mixing during stirring, and the additive in the liquid is difficult to deposit in the bottom, improves the practicality.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a stirring and conveying device for petroleum fracturing acidification comprises a piston container, a piston and a piston rod, wherein the piston is in sliding connection with the side wall of the piston container, one end of the piston rod is connected with the piston, the other end of the piston rod penetrates through the inner side wall of the piston container and is in sliding connection with the inner side wall, a discharge pipe with a one-way valve is connected to the non-driving end of the piston container, a liquid mixing chamber is connected to the non-driving end of the piston container, a mechanical stirring mechanism is arranged in the liquid mixing chamber and comprises a push rod, one end of the push rod is connected with the piston, the stirring and conveying device further comprises a feeding device and a bottom pressing device, the feeding device comprises a feeding pipe and a discharge ring, the feeding pipe is arranged outside the liquid mixing chamber, one end of the feeding pipe extends into the liquid mixing chamber, a valve is arranged on the feeding pipe positioned outside the liquid mixing chamber, the discharge ring is arranged inside the liquid mixing, the inlet pipe stretches into one end and the ejection of compact ring intercommunication in the liquid mixing chamber, the bottom circumference equipartition of ejection of compact ring has a plurality of unloading pipes, and the equal elastic connection in inside of a plurality of unloading pipes has the plug device that moves about, press the end device to arrange in the liquid mixing chamber, press the end device to include the pressure bottom plate, the pressure bottom plate suit is in the lateral wall bottom of push rod, and the pressure bottom plate rotates with the push rod to be connected, the circumference equipartition has a plurality of through-holes on the pressure bottom plate, and the lateral wall of pressure bottom plate and the inside wall sliding connection of liquid mixing chamber.
Furthermore, the movable plug device comprises a fixing piece, the fixing piece is located at the center of the discharging pipe, the two sides of the fixing piece are fixedly connected with the inner wall of the circumference of the discharging pipe through connecting rods, a sealing plug is arranged at the bottom end of the discharging pipe, and the top end of the sealing plug is elastically connected with the bottom end of the fixing piece through an elastic element.
Further, the elastic element is a spring.
Furthermore, two sliding blocks are symmetrically arranged on the outer side wall of the pressure base plate, two sliding grooves suitable for the sliding of the sliding blocks are symmetrically formed in the inner side wall of the liquid mixing chamber, and the sliding blocks are in sliding fit with the sliding grooves.
Further, the sliding groove is spiral.
Furthermore, the upper end and the lower end of the sliding block are both streamlined.
The utility model has the advantages that:
1. through inlet pipe and discharge ring, the even feeding of circumference of being convenient for, the feeding is comparatively even, is favorable to the intensive mixing.
2. Through pressing the end device, the push rod of being convenient for drives the bottom plate along with piston reciprocating motion in-process and extrudees about to the liquid of liquid mixing chamber bottom to make the inside liquid of liquid mixing chamber flow from top to bottom, the liquid of liquid mixing chamber bottom also can be arrived by intensive mixing during the stirring, and the additive in the liquid is difficult to deposit in the bottom, improves the practicality.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure inside a stirring and conveying device for petroleum fracturing and acidizing provided by the utility model;
FIG. 2 is a schematic view of the present invention taken at a point A enlarged partially;
fig. 3 is a schematic view of the overall three-dimensional structure of the stirring and conveying device for petroleum fracturing and acidizing provided by the utility model;
fig. 4 is a schematic view of a front-view plane structure of the stirring and conveying device for petroleum fracturing and acidizing provided by the utility model;
fig. 5 is a schematic view of a partial enlarged structure at B in fig. 4 according to the present invention.
In the figure: 1. a piston reservoir; 2. a piston; 3. a piston rod; 4. a discharge pipe; 5. a liquid mixing chamber; 6. a push rod; 7. a feed pipe; 8. discharging rings; 9. a valve; 10. a discharging pipe; 11. pressing the bottom plate; 12. a fixing member; 13. a connecting rod; 14. a sealing plug; 15. a spring; 16. a slider; 17. a chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-5, a stirring and conveying device for petroleum fracturing acidification comprises a piston container 1, a piston 2 and a piston rod 3, wherein the piston 2 is connected with the side wall of the piston container 1 in a sliding manner, one end of the piston rod 3 is connected with the piston 2, the other end of the piston rod 3 penetrates through the inner side wall of the piston container 1 and is connected with the inner side wall in a sliding manner, a discharge pipe 4 with a one-way valve is connected to the non-driving end of the piston container 1, a liquid mixing chamber 5 is connected to the non-driving end of the piston container 1, a mechanical stirring mechanism is arranged in the liquid mixing chamber 5 and comprises a push rod 6, one end of the push rod 6 is connected with the piston 2, the stirring and conveying device further comprises a feeding device and a bottom pressing device, the feeding device comprises a feeding pipe 7 and a discharge ring 8, the feeding pipe 7 is arranged outside the liquid mixing chamber 5, one end of the feeding pipe 7 extends into, the discharging ring 8 is arranged inside the liquid mixing chamber 5, the circumferential outer wall of the discharging ring 8 is fixedly connected with the inner side wall of the liquid mixing chamber 5, one end of the feeding pipe 7 extending into the liquid mixing chamber 5 is communicated with the discharging ring 8, a plurality of discharging pipes 10 are uniformly distributed on the circumference of the bottom end of the discharging ring 8, movable plug devices are elastically connected inside the discharging pipes 10 and comprise fixing pieces 12, the fixing pieces 12 are positioned at the central positions of the discharging pipes 10, two sides of the fixing pieces 12 are fixedly connected with the circumferential inner walls of the discharging pipes 10 through connecting rods 13, sealing plugs 14 are arranged at the bottom ends of the discharging pipes 10, the top ends of the sealing plugs 14 are elastically connected with the bottom end of the fixing pieces 12 through elastic elements, the elastic elements are springs 15, so that the circumferential uniform feeding is facilitated, the feeding is uniform, the sufficient stirring is facilitated, and the bottom pressing device is arranged in the liquid mixing chamber 5, the bottom pressing device comprises a bottom pressing plate 11, the bottom pressing plate 11 is sleeved at the bottom of the outer side wall of the push rod 6, the bottom pressing plate 11 is rotatably connected with the push rod 6, a plurality of through holes are uniformly distributed on the circumference of the bottom pressing plate 11, liquid can flow conveniently, the outer side wall of the bottom pressing plate 11 is slidably connected with the inner side wall of the liquid mixing chamber 5, two sliders 16 are symmetrically arranged on the outer side wall of the bottom pressing plate 11, two chutes 17 suitable for the sliders 16 to slide are symmetrically arranged on the inner side wall of the liquid mixing chamber 5, the sliders 16 are in sliding fit with the chutes 17, the chutes 17 are spiral, so that the bottom pressing plate 11 can rotate in a spiral mode when sliding up and down, the upper end and the lower end of each slider 16 are streamline, the smoothness of the spiral rotation is increased, the push rod 6 can drive the bottom pressing plate 11 to extrude the liquid at the bottom of, the liquid at the bottom of the liquid mixing chamber 5 can be fully stirred during stirring, and the additive in the liquid is not easy to deposit at the bottom, so that the practicability is improved.
The working principle of the embodiment is as follows: when the stirring and conveying device is used, firstly, the stirring and conveying device for petroleum fracturing acidification is integrally installed at a position required by a user, liquid mixed with additives is input into the discharging ring 8 through the feeding pipe 7 by opening the valve 9, the sealing plug 14 is extruded by the liquid in the discharging ring 8 to be popped up, the liquid in the discharging ring 8 uniformly flows into the mixing chamber circumferentially, the feeding is uniform, the sufficient stirring is facilitated, then the piston 2 is pushed by the piston rod 3 to reciprocate in the piston container 1, in the reciprocating motion process of the push rod 6 along with the piston 2, the mechanical stirring mechanism rotates along with the piston, the pressure bottom plate 11 at the bottom of the push rod 6 also reciprocates along with the piston, and rotates spirally on the inner side wall of the liquid mixing chamber 5, the liquid at the bottom of the liquid mixing chamber 5 is extruded spirally up and down, and the liquid at the bottom of the mixing chamber flows upwards through a plurality of through holes when the, when the pressure bottom plate 11 rises, the liquid on the upper part of the mixing chamber is extruded to flow downwards through the through holes, so that the liquid in the liquid mixing chamber 5 flows up and down, the liquid at the bottom of the liquid mixing chamber 5 can be fully stirred during stirring, additives in the liquid are not easy to deposit at the bottom, and the practicability is improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an oil fracturing acidizing is with stirring conveyor, including piston container (1), piston (2), piston rod (3), piston (2) and the lateral wall sliding connection of piston container (1), piston rod (3) one end is connected with piston (2), the other end passes the inside wall of piston container (1) and rather than sliding connection, be connected with discharging pipe (4) that have the check valve on the non-drive end of piston container (1), be connected with liquid mixing chamber (5) on the non-drive end of piston container (1), be provided with mechanical rabbling mechanism in liquid mixing chamber (5), mechanical rabbling mechanism includes push rod (6), the one end and the piston (2) of push rod (6) are connected, its characterized in that: the feeding device comprises a feeding pipe (7) and a discharging ring (8), the feeding pipe (7) is arranged outside the liquid mixing chamber (5), one end of the feeding pipe (7) extends into the liquid mixing chamber (5), a valve (9) is arranged on the feeding pipe (7) positioned outside the liquid mixing chamber (5), the discharging ring (8) is arranged inside the liquid mixing chamber (5), the circumferential outer wall of the discharging ring (8) is fixedly connected with the inner side wall of the liquid mixing chamber (5), one end of the feeding pipe (7) extending into the liquid mixing chamber (5) is communicated with the discharging ring (8), a plurality of discharging pipes (10) are uniformly distributed on the circumference of the bottom end of the discharging ring (8), movable plug devices are elastically connected inside the plurality of discharging pipes (10), the bottom pressing device is arranged in the liquid mixing chamber (5), and comprises a bottom pressing plate (11), the pressure plate (11) is sleeved at the bottom of the outer side wall of the push rod (6), the pressure plate (11) is rotatably connected with the push rod (6), a plurality of through holes are uniformly distributed on the pressure plate (11) in the circumferential direction, and the outer side wall of the pressure plate (11) is slidably connected with the inner side wall of the liquid mixing chamber (5).
2. The stirring and conveying device for oil fracturing and acidizing as claimed in claim 1, wherein: the movable plug device comprises a fixing piece (12), the fixing piece (12) is located at the center of the discharging pipe (10), two sides of the fixing piece (12) are fixedly connected with the inner wall of the circumference of the discharging pipe (10) through connecting rods (13), a sealing plug (14) is arranged at the bottom end of the discharging pipe (10), and the top end of the sealing plug (14) is elastically connected with the bottom end of the fixing piece (12) through an elastic element.
3. The stirring and conveying device for oil fracturing and acidizing as claimed in claim 2, wherein: the elastic element is a spring (15).
4. The stirring and conveying device for oil fracturing and acidizing as claimed in claim 1, wherein: two sliding blocks (16) are symmetrically arranged on the outer side wall of the pressure base plate (11), two sliding grooves (17) suitable for the sliding blocks (16) are symmetrically formed in the inner side wall of the liquid mixing chamber (5), and the sliding blocks (16) are in sliding fit with the sliding grooves (17).
5. The stirring and conveying device for oil fracturing and acidizing as claimed in claim 4, wherein: the sliding groove (17) is spiral.
6. The stirring and conveying device for oil fracturing and acidizing as claimed in claim 4, wherein: the upper end and the lower end of the sliding block (16) are both streamlined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020181692.5U CN211598629U (en) | 2020-02-18 | 2020-02-18 | Stirring conveyor is used in oil fracturing acidizing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020181692.5U CN211598629U (en) | 2020-02-18 | 2020-02-18 | Stirring conveyor is used in oil fracturing acidizing |
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| CN211598629U true CN211598629U (en) | 2020-09-29 |
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| CN202020181692.5U Active CN211598629U (en) | 2020-02-18 | 2020-02-18 | Stirring conveyor is used in oil fracturing acidizing |
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| CN113617262A (en) * | 2021-07-21 | 2021-11-09 | 安徽五岳松纳米技术有限公司 | High-efficient emulsification treatment equipment is used in production of reflective insulation type real mineral varnish |
| CN114471030A (en) * | 2022-01-27 | 2022-05-13 | 黄文华 | Building indoor ventilation dust suppression device |
| CN114575815A (en) * | 2022-03-09 | 2022-06-03 | 纪国柱 | Coal bed gas microorganism yield increase experimental device and method based on different fracturing fluid environments |
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