CN209968148U - Self-stabilizing spring pressurizing powder-water mixer - Google Patents
Self-stabilizing spring pressurizing powder-water mixer Download PDFInfo
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- CN209968148U CN209968148U CN201822228175.4U CN201822228175U CN209968148U CN 209968148 U CN209968148 U CN 209968148U CN 201822228175 U CN201822228175 U CN 201822228175U CN 209968148 U CN209968148 U CN 209968148U
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Abstract
The utility model provides a self-stabilizing spring pressurized powder mixer, which comprises a plug part and a socket part, wherein the plug part comprises a movable pipe sleeve, an external joint and a conical nozzle which are positioned at the two opposite ends of the movable pipe sleeve, and a fixed flange; the socket part comprises an outer shell and a spraying cavity arranged at one end of the outer shell, the plug part can be relatively movably inserted into the socket part, and the conical nozzle extends into the spraying cavity when the plug part is inserted; a gap between the inner wall of the injection cavity and the outer wall of the conical nozzle is an injection channel, and a clear water interface is arranged on the outer shell and can be communicated with the injection cavity through the injection channel; a piston is arranged between the movable pipe sleeve and the outer shell and fixed on the movable pipe sleeve, one end of the piston is connected with the clean water port, the outer shell is elastically connected with the fixed flange, and when fluid is injected into the clean water port, the plug portion and the socket portion can move relatively under the action of fluid pressure and elastic resistance between the outer shell and the fixed flange to adjust the opening degree of the injection channel.
Description
Technical Field
The utility model relates to a blender technical field especially relates to a self stabilization spring pressurization powder water mixer.
Background
In the oil and gas exploitation process, a mixed agent obtained by uniformly mixing a water-based fracturing fluid (sand carrying fluid) and a propping agent (such as sand) is pumped into an oil and gas well to crack a stratum, so that the aim of improving the yield of crude oil or natural gas is fulfilled. The water-based fracturing fluid is prepared by mixing guanidine gum powder and clear water. When mixing, the powder-water mixer is the core equipment. When the mixing pressure is too small, the powder and the clear water can not fully swell and agglomerate in water, so that the phenomenon of powder in water is generated; when the mixing pressure is too high, the guanidine gum powder and the clear water can be fully mixed, but a large power is needed, and a larger mixing power is needed in large-displacement mixing. The ideal blending pressure is 3-5 kg per cm < 2 >. The existing mixer has the defects that the mixing flow cannot be changed due to the fact that the mixing pressure cannot be manually controlled and the phenomenon of powder in water and the fixed spraying channel cannot be adjusted cannot be overcome.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiments of the present invention provide a self-stabilized spring pressurized powder mixer, which can automatically maintain the mixing pressure at a constant preset value.
The embodiment of the utility model provides a self-stabilizing spring pressurization powder water mixer, including plug part and socket part, the plug part includes the removal pipe box and is located the external joint and the conical nozzle of the relative both ends of removal pipe box, still includes the mounting flange that radially outwards extends; the socket part comprises a cylindrical outer shell and a spraying cavity arranged at one end of the outer shell, the plug part can be relatively movably inserted into the socket part, and the conical nozzle extends into the spraying cavity when the plug part is inserted; a gap between the inner wall of the injection cavity and the outer wall of the conical nozzle is an injection channel, a clear water interface is arranged on the outer shell, and the clear water interface can be communicated with the injection cavity through the injection channel; and when fluid is injected into the clean water interface, the plug part and the socket part can relatively move through the piston under the action of fluid pressure and elastic resistance between the outer shell and the fixed flange to adjust the opening degree of the injection channel.
Further, the external shell comprises a body and a body flange sleeved on the outer side of the movable pipe sleeve, one side of the body flange is in face-to-face contact with the body and is fixed through bolts, the other side of the body flange is connected with the fixed flange through a spring, and the clean water port is arranged on the body.
Furthermore, a cavity surrounded by the body, the body flange, the piston and the movable pipe sleeve is a stable cavity, a drainage groove for communicating the clean water port with the stable cavity is formed in the piston, a water outlet is formed in the stable cavity, a flow regulating valve is arranged at the position of the water outlet, and the relative movement speed between the plug part and the socket part is regulated by regulating the drainage flow of the water outlet through the flow regulating valve.
Furthermore, the drainage grooves are grooves which are inwards concavely formed from the outer side surface of the piston, the width and the depth of each drainage groove are 1-2 mm, the number of the drainage grooves is 4-8, and the drainage grooves are uniformly distributed along the circumference.
Further, the piston is fixed to the movable pipe sleeve through an axial clamp spring, and sealing rings are arranged between the contact surfaces of the piston and the movable pipe sleeve, between the contact surfaces of the body flange and the movable pipe sleeve and between the contact surfaces of the body and the body flange.
Further, an adjusting bolt is mounted on the fixed flange in an axially telescopic manner, the spring is connected to the fixed flange through the adjusting bolt, and the initial stretching amount of the spring can be adjusted by adjusting the axial telescopic amount of the adjusting bolt; the number of the springs is 4-8, the springs are uniformly distributed in a circumferential mode, and the deformation axis of the mounted springs is parallel to the central axis of the circumference.
Further, the plug part further comprises a central powder suction pipe coaxial with the movable pipe sleeve, the conical nozzle comprises a cone part and a cone part which are mutually connected, the cone part is fixed in the movable pipe sleeve, the cone part extends into the spraying cavity, one end of the central powder suction pipe is in threaded connection with the cone part, the other end of the central powder suction pipe is fixedly connected with the external connector, and a spraying hole penetrates through the cone part and the cone part so as to communicate the inside of the central powder suction pipe with the spraying cavity; the central powder suction pipe is fixed on the movable pipe sleeve through a fixing bolt.
Furthermore, the external joint is positioned outside the movable pipe sleeve and is used for being connected with a hose for conveying powder; the contact surface of the circular truncated cone part and the movable pipe sleeve is provided with a sealing ring, the injection cavity is also in a frustum-shaped structure, and the taper of the injection cavity is smaller than that of the conical truncated cone part.
Furthermore, one side of the injection cavity, which is opposite to the plug part, is connected with a mixing cavity, and the mixing cavity is of an inverted frustum structure.
Furthermore, the bottom of the clean water interface is a clean water hydraulic pressure cavity which is connected with the injection channel and is opposite to the piston。
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: self stabilization spring pressurization powder water blender, can be through adjusting outside casing with anticipated pressure of thoughtlessly joining in marriage is adjusted to elasticity size between the mounting flange, through flow control valve adjusts and adjusts the drainage rate in stable chamber reaches the adjustment the effect of the relative movement speed between plug part and the socket part. The opening of the spraying channel is adjusted in the moving process of the conical nozzle, so that the function of adjusting the flow of the mixed clear water is realized. The invention can use elasticity to control the pressure of mixed clear water, the spray water with proper pressure generates strong negative pressure at the conical nozzle to drive air to flow along the central powder suction pipe, and the powder in the hose is sucked into the mixing cavity to be mixed with the clear water.
Drawings
Fig. 1 is a schematic diagram of the self-stabilized spring pressurized powder-water mixer of the present invention.
The device comprises a mixing cavity 1, a spraying cavity 3, an outer shell 4, a clean water port 4-1, a body flange 4-2, a clean water pressure cavity 5, a sealing ring 6, a sealing ring 7, a sealing ring 8, a piston 9, an axial clamp spring 10, a drainage groove 11, a sealing ring 12, a conical nozzle 13, a fixing bolt 14, an adjusting bolt 15, a stabilizing cavity 16-1, a water outlet 16-1, a central powder suction pipe 17-1, an external joint 17-2, a fixing flange 18, a spring 19, a flow regulating valve 20 and a movable pipe sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides a self-stabilized spring pressurized powder mixer, which includes a plug portion and a socket portion, wherein the plug portion includes a movable pipe sleeve 20, an external joint 17-1 and a conical nozzle 13 at two opposite ends of the movable pipe sleeve 20, and a fixing flange 17-2 extending radially outward; the socket part comprises a cylindrical outer shell 4 and a spraying cavity 3 arranged at one end of the outer shell 4, the plug part can be relatively movably inserted into the socket part, and the conical nozzle 13 extends into the spraying cavity 3 when the plug part is inserted; a gap between the inner wall of the injection cavity 3 and the outer wall of the conical nozzle 13 is an injection channel, a clean water interface 4-1 is arranged on the outer shell 4, and the clean water interface 4-1 can be communicated with the injection cavity 3 through the injection channel; a piston 8 is arranged between the movable pipe sleeve 20 and the outer shell 4 and fixed on the movable pipe sleeve 20, one end of the piston 8 is connected with the clean water port 4-1, the outer shell 4 is elastically connected with the fixed flange 17-2, and when fluid is injected into the clean water port 4-1, the plug part and the socket part can adjust the opening degree of the injection channel through the relative movement of the piston 8 under the action of fluid pressure and elastic resistance between the outer shell 4 and the fixed flange 17-2.
The outer shell 4 comprises a body and a body flange 4-2 sleeved outside the movable pipe sleeve, one side of the body flange 4-2 is fixedly connected with the body, the other side of the body flange is connected with the fixed flange 17-2 through a spring 18, and the clean water port 4-1 is arranged on the body. An adjusting bolt 15 is mounted to the fixed flange 17-2 in an axially retractable manner, the spring 18 is connected to the fixed flange 17-2 by the adjusting bolt 17-2, and the initial tension of the spring 18 can be adjusted by adjusting the amount of the axial retraction of the adjusting bolt 15. A cavity body enclosed by the body, the body flange 4-2, the piston 8 and the movable pipe sleeve 20 is a stable cavity 16, the piston 8 is provided with a drainage groove 10 for communicating the clean water port 4-1 with the stable cavity 16, the stable cavity 16 is provided with a drainage port 16-1, the drainage port 16-1 is provided with a flow regulating valve 19, and the relative movement speed between the plug part and the socket part is regulated by regulating the drainage flow of the drainage port 16-1 through the flow regulating valve 19. The springs 18 are provided in a plurality, preferably 4-8, and are uniformly distributed in the form of a circle, and the deformation axis of the springs 18 is parallel to the central axis of the circle after installation.
The drainage grooves 10 are grooves which are inwards concavely formed in the outer side surface of the piston 8, the width and the depth of each drainage groove 10 are 1-2 mm, the number of the drainage grooves 10 is 4-8, and the drainage grooves 10 are uniformly distributed along the circumference. The piston 8 is fixed on the moving pipe sleeve 20 through an axial clamp spring 9. Sealing rings 11, 6 and 7 are arranged between the contact surfaces of the piston 8 and the moving pipe sleeve 20, between the contact surfaces of the body flange 4-2 and the moving pipe sleeve 20 and between the contact surfaces of the body and the body flange 4-2.
The plug part further comprises a central powder suction pipe 17 coaxial with the movable pipe sleeve 20, the conical nozzle 13 comprises a cone part and a circular cone part which are mutually connected, the circular cone part is fixed in the movable pipe sleeve 20, the cone part extends into the spraying cavity 3, one end of the central powder suction pipe 17 is in threaded connection with the cone part, the other end of the central powder suction pipe is fixedly connected with the external connector 17-1, and a spraying hole penetrates through the cone part and the circular cone part so as to communicate the inside of the central powder suction pipe 17 with the spraying cavity 3; the central powder suction pipe 17 is fixed to the movable pipe sleeve 20 by a fixing bolt 14.
The external joint 17-1 is positioned outside the movable pipe sleeve 20 and is used for being connected with a hose for conveying powder; the contact surface of the circular truncated cone part and the movable pipe sleeve 20 is provided with a sealing ring 12, and the injection cavity 3 is also in a frustum-shaped structure, and the taper of the injection cavity is smaller than that of the conical truncated cone part. One side of the injection cavity 3, which is back to the plug part, is connected with a mixing cavity 1, the mixing cavity 1 is of an inverted frustum structure, and powder and clean water are mixed in the mixing cavity 1.
The bottom of the clean water port 4-1 is a clean water hydraulic pressure cavity 5, and the clean water hydraulic pressure cavity 5 is connected with the injection channel and is opposite to the piston 8.
When in use: adjusting the initial stretching amount (the stretching amount comprises a stretching length and a compression length) of the spring 18 by adjusting the axial stretching amount of the adjusting bolt 15, so that the resisting pressure value of the spring 18 at the maximum elastic force is 3-5 kg/cm2(or other predetermined pressure value) compounding pressure; high-pressure clean water is injected into the clean water interface 4-1, under the combined action of the clean water pressure and the elastic force of the spring 18 on the piston 8, the piston 8 can carry the whole plug part to move towards the direction of the spring 8 or towards the direction opposite to the direction of the spring 8 relative to the socket part (preferably, the socket part is always kept static, but not limited to the above) until the clean water pressure borne by the piston 18 and the elastic force of the spring are balanced with each other, and at the moment, the piston 8 can stop moving and keep static. In order to stabilize the movement, the relative movement speed between the plug portion and the socket portion can be adjusted by adjusting the discharge flow rate of the discharge port 16-1 by the flow rate adjusting valve 19.
When the plug part and the socket part move relatively, the opening degree of the injection channel changes along with the movement: when the plug part moves towards the direction of the spring 18 relative to the socket part, the opening degree of the injection channel is gradually increased, and the water flow of the injection channel is also gradually increased, so that the water pressure in the clear water pressure cavity can be reduced, and the opening degree of the injection channel is not continuously increased but is kept unchanged until the water pressure and the elastic force are balanced; when the plug part is opposite to the socket partWhen the spring 18 moves in the direction opposite to the direction, the opening degree of the injection channel is gradually reduced, and the water flow of the injection channel is also gradually reduced, so that the water pressure in the clear water pressure cavity can be increased, and the opening degree of the injection channel is not continuously reduced but is kept unchanged until the water pressure and the elastic force are balanced with each other. Through self-stabilizing spring pressurization powder water mixer, can provide a stable expectation clear water pressure value 3 ~ 5 kg per cm for the powder water mixes2Therefore, the problem of powder in water is solved, and meanwhile, the conical nozzle 13 is made of special materials and has non-stickiness, so that the problem that powder materials are agglomerated when meeting water at the nozzle outlet to block a powder inlet channel can be solved.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A self-stabilizing spring-pressurized powder mixer is characterized in that: the plug part comprises a movable pipe sleeve, an external connector and a conical nozzle which are positioned at two opposite ends of the movable pipe sleeve, and a fixing flange extending outwards in the radial direction; the socket part comprises a cylindrical outer shell and a spraying cavity arranged at one end of the outer shell, the plug part can be relatively movably inserted into the socket part, and the conical nozzle extends into the spraying cavity when the plug part is inserted; a gap between the inner wall of the injection cavity and the outer wall of the conical nozzle is an injection channel, a clear water interface is arranged on the outer shell, and the clear water interface can be communicated with the injection cavity through the injection channel; and when fluid is injected into the clean water interface, the plug part and the socket part can relatively move through the piston under the action of fluid pressure and elastic resistance between the outer shell and the fixed flange to adjust the opening degree of the injection channel.
2. The self-stabilizing spring pressurized powder mixer of claim 1 wherein: the external shell comprises a body and a body flange sleeved on the outer side of the movable pipe sleeve, one side of the body flange is in face-to-face contact with the body and is fixed through bolts, the other side of the body flange is connected with the fixed flange through a spring, and the clean water port is arranged on the body.
3. The self-stabilizing spring pressurized powder mixer of claim 2 wherein: the plug comprises a body, a body flange, a piston and a movable pipe sleeve, wherein the body, the body flange, the piston and the movable pipe sleeve form a cavity which is a stable cavity, a drainage groove which is communicated with a clean water port and the stable cavity is arranged on the piston, a drainage port is arranged on the stable cavity, a flow regulating valve is arranged at the drainage port, and the relative movement speed between the plug part and the socket part is adjusted by regulating the drainage flow of the drainage port through the flow regulating valve.
4. The self-stabilizing spring pressurized powder mixer of claim 3 wherein: the drainage grooves are grooves which are inwards concavely formed from the outer side surface of the piston, the width and the depth of each drainage groove are 1-2 mm, the number of the drainage grooves is 4-8, and the drainage grooves are uniformly distributed along the circumference.
5. The self-stabilizing spring pressurized powder mixer of claim 3 wherein: the piston is fixed on the movable pipe sleeve through an axial clamp spring, and sealing rings are arranged between the contact surfaces of the piston and the movable pipe sleeve, between the contact surfaces of the body flange and the movable pipe sleeve and between the contact surfaces of the body flange and the body flange.
6. The self-stabilizing spring pressurized powder mixer of claim 2 wherein:aThe adjusting bolt is mounted on the fixed flange in an axially telescopic manner, the spring is connected to the fixed flange through the adjusting bolt, and the initial stretching amount of the spring can be adjusted by adjusting the axial telescopic amount of the adjusting bolt; the number of the springs is 4-8, the springs are uniformly distributed in a circumferential mode, and the deformation axis of the mounted springs is parallel to the central axis of the circumference.
7. The self-stabilizing spring pressurized powder mixer of claim 1 wherein: the plug part also comprises a central powder suction pipe coaxial with the movable pipe sleeve, the conical nozzle comprises a cone part and a circular table part which are mutually connected, the circular table part is fixed in the movable pipe sleeve, the cone part extends into the spraying cavity, one end of the central powder suction pipe is in threaded connection with the cone part, the other end of the central powder suction pipe is fixedly connected with the external joint, and a spray hole penetrates through the cone part and the circular table part so as to communicate the inside of the central powder suction pipe with the spraying cavity; the central powder suction pipe is fixed on the movable pipe sleeve through a fixing bolt.
8. The self-stabilizing spring pressurized powder mixer of claim 7 wherein: the external joint is positioned outside the movable pipe sleeve and is used for being connected with a hose for conveying powder; the contact surface of the circular truncated cone part and the movable pipe sleeve is provided with a sealing ring, the injection cavity is also in a frustum-shaped structure, and the taper of the injection cavity is smaller than that of the conical truncated cone part.
9. The self-stabilizing spring pressurized powder mixer of claim 7 wherein: one side of the injection cavity, which is back to the plug part, is connected with a mixing cavity, and the mixing cavity is of an inverted frustum structure.
10. The self-stabilizing spring pressurized powder mixer of claim 1 wherein: the bottom of the clean water interface is a clean water hydraulic pressure cavity which is connected with the injection channel and is opposite to the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822228175.4U CN209968148U (en) | 2018-12-27 | 2018-12-27 | Self-stabilizing spring pressurizing powder-water mixer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822228175.4U CN209968148U (en) | 2018-12-27 | 2018-12-27 | Self-stabilizing spring pressurizing powder-water mixer |
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| CN209968148U true CN209968148U (en) | 2020-01-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111589314A (en) * | 2020-05-29 | 2020-08-28 | 中国石油天然气集团有限公司 | Flushing and mixing device capable of preparing high-viscosity fracturing acid liquid |
| CN113351043A (en) * | 2021-06-02 | 2021-09-07 | 山东和创瑞思环保科技有限公司 | Water curtain jet type powder premixing device |
-
2018
- 2018-12-27 CN CN201822228175.4U patent/CN209968148U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111589314A (en) * | 2020-05-29 | 2020-08-28 | 中国石油天然气集团有限公司 | Flushing and mixing device capable of preparing high-viscosity fracturing acid liquid |
| CN113351043A (en) * | 2021-06-02 | 2021-09-07 | 山东和创瑞思环保科技有限公司 | Water curtain jet type powder premixing device |
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