CN219168682U - Self-rotating mud gun - Google Patents
Self-rotating mud gun Download PDFInfo
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- CN219168682U CN219168682U CN202320144873.4U CN202320144873U CN219168682U CN 219168682 U CN219168682 U CN 219168682U CN 202320144873 U CN202320144873 U CN 202320144873U CN 219168682 U CN219168682 U CN 219168682U
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- joint
- mud
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- inner cavity
- pipeline
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The utility model relates to a self-rotating mud gun, which comprises a pipeline for inputting mud, wherein the pipeline is provided with a liquid outlet end extending into the solid control tank; the joint is used for being in rotary sealing connection with the liquid outlet end of the pipeline, and the inner cavity of the joint is communicated with the pipeline; and at least two spray pipes are respectively arranged on the outer peripheral surface of the joint and are communicated with the inner cavity of the joint, each spray pipe is provided with a nozzle with an opening which is downwards and backwards inclined, mud cakes positioned at the bottom of the solid control tank are downwards sprayed to clean the mud cakes through the nozzles, and mud is sprayed backwards through the nozzles to drive the joint to rotate forwards under the reaction of the mud. Through installing a plurality of spray pipes on the joint, the nozzle of every spray pipe all faces the bottom of solid accuse jar, after high-pressure mud flows through pipeline, joint in proper order, spouts the mud cake that deposits in solid accuse jar bottom through this nozzle at last, better realization washs the purpose of solid accuse jar mud cake.
Description
Technical Field
The utility model relates to a self-rotating mud gun.
Background
The mud gun is an important auxiliary tool in the petroleum drilling process, and is used for slowing down the deposition rate of mud in the solid control tank by spraying high-pressure mixed mud into the solid control tank.
The existing slurry gun is often set to be in a self-rotation mode, and the purpose of spinning the straight pipe is achieved when slurry is sprayed through a rotational flow type structure arranged on the inner wall of the straight pipe. In the utility model patent with the publication number of CN211537290U, a self-rotating low-pressure slurry gun is provided, a plurality of nozzles are arranged on a conical body, high-pressure slurry flows to the conical body through a straight pipe and is sprayed out through the nozzles, the slurry gun realizes self-rotation under the reaction force of the slurry, and in the self-rotation process of the slurry gun, high-pressure mixed slurry is sprayed into the solid control tank through a slurry spraying hole, so that the stirring effect of the slurry in the solid control tank is realized.
However, a thick mud cake layer is often deposited at the bottom of the solid control tank after long-time use, and the stirring effect of the existing mud gun is difficult to be applied to the mud cake at the bottom, so that the mud cake is required to be cleaned later, the labor intensity is high, and the working efficiency is low.
Disclosure of Invention
The utility model provides a self-rotating mud gun, which aims to solve the technical problem that the efficiency is low due to the fact that mud cakes at the bottom of a solid control tank are required to be cleaned independently in the prior art.
In order to solve the problems, the self-rotating mud gun provided by the utility model adopts the following technical scheme:
a self-rotating mud gun, comprising:
a pipe for inputting slurry, the pipe having a liquid outlet end extending into the interior of the solids control tank;
the joint is used for being in rotary sealing connection with the liquid outlet end of the pipeline, and the inner cavity of the joint is communicated with the pipeline; and
the two nozzles are respectively arranged on the outer peripheral surface of the joint and are communicated with the inner cavity of the joint, each nozzle is provided with a nozzle with an opening which is obliquely arranged downwards and backwards, mud cakes positioned at the bottom of the solid control tank are downwards sprayed to clean the mud cakes through the nozzles, and mud is sprayed backwards through the nozzles to drive the joint to rotate forwards under the reaction of the mud.
The self-rotating mud gun comprises a straight pipe section and a bending section, wherein each spray pipe comprises the straight pipe section and the bending section, one end of the straight pipe section is arranged on the outer peripheral surface of the joint and is communicated with the inner cavity of the joint, one end of the bending section is connected with the other end of the straight pipe section, and the other end of the bending section faces downwards and backwards so that the opening of the spray nozzle faces downwards and backwards.
The self-rotating mud gun as set forth above wherein each of said curved sections further extends in a direction away from said joint.
The self-rotating mud gun as set forth above wherein each of said curved sections further extends in a direction toward said joint.
The self-rotating mud gun is characterized in that the outer circumferential surface of the received joint is a cylindrical surface, and the at least two spray pipes are arranged at intervals along the circumferential direction of the cylindrical surface.
The self-rotating mud gun comprises the connector, wherein the connector comprises a shell with an inner cavity, a bearing and a first sealing ring are sequentially arranged on the inner side wall of the inner cavity up and down, the liquid outlet end of the pipeline extends into the inner cavity, and the outer peripheral surface of the pipeline is respectively connected with the bearing and the inner peripheral surface of the first sealing ring;
each straight pipe section is arranged on the outer peripheral surface of the shell and is communicated with the inner cavity.
The self-rotating mud gun is characterized in that the connector further comprises a sealing cover which is arranged on the shell in a covering mode, a second sealing ring is arranged on the inner side peripheral surface of the inner cavity of the sealing cover, and the liquid outlet end of the pipeline penetrates through the sealing cover and stretches into the inner cavity of the shell.
The self-rotating mud gun is characterized in that a connecting flange for connecting a mud pump liquid outlet is arranged at the input end of the pipeline.
The beneficial effects are that:
(1) Through installing a plurality of spray pipes on the joint, the nozzle of every spray pipe all faces the bottom of solid accuse jar, after high-pressure mud flows through pipeline, joint in proper order, spouts the mud cake that deposits in solid accuse jar bottom through this nozzle at last, better realization washs the purpose of solid accuse jar mud cake.
(2) The setting of a plurality of spray tubes equi-angle is on the outer peripheral face of joint to the crooked section of every spray tube is all crooked downwards towards the bottom slant of solid accuse jar, and when high-pressure mud was spouted through the nozzle, the nozzle drove joint autogiration under the attack of high-pressure mud and rotates with force, has played the effect of clearance solid accuse jar bottom mud cake on the one hand, and on the other hand has still realized stirring solid accuse jar inside mud's purpose, and then has accelerated the rate that solid accuse jar bottom mud cake dissolved.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, embodiments of the utility model are illustrated by way of example and not by way of limitation, and like reference numerals refer to similar or corresponding parts and in which:
FIG. 1 is an overall schematic of a first embodiment of the present utility model;
FIG. 2 is a cross-sectional view of FIG. 1 taken along the axis of the pipe;
FIG. 3 is a partial top view of FIG. 1;
FIG. 4 is an enlarged view of FIG. 2 at A;
FIG. 5 is an enlarged view at B in FIG. 1;
FIG. 6 is an overall schematic of a second embodiment of the present utility model;
FIG. 7 is a schematic diagram of a solids control tank bottom sediment cake.
Reference numerals illustrate:
1. a pipe; 11. a connecting flange; 12. splicing flanges; 2. a joint; 21. a housing; 22. sealing cover; 3. a spray pipe; 31. a straight pipe section; 32. a curved section; 4. a bearing; 51. a first seal ring; 52. a second seal ring; 6. the bottom of the solid control tank.
Detailed Description
The following description of the embodiments of the present utility model will be made more complete and clear to those skilled in the art by reference to the figures of the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The principles and spirit of the present utility model are explained in detail below with reference to several representative embodiments thereof.
Example 1 of the self-rotating mud gun provided by the utility model:
as shown in fig. 1 to 5, the self-rotating mud gun of the present application may include a pipe 1, a joint 2 and three nozzles 3, where a liquid outlet end of the pipe 1 extends into an inner cavity of the joint 2 and is in rotary sealing connection with the joint 2, the overall shape of the joint 2 is hollow cylindrical, the three nozzles 3 are installed on the joint 2 along an outer peripheral surface of the joint 2 at equal angles, and each nozzle 3 is communicated with the inner cavity of the joint 2.
In addition, the nozzle of each spray pipe 3 faces the bottom of the solid control tank, and after high-pressure slurry flows through the pipeline 1 and the joint 2 in sequence, the high-pressure slurry is sprayed onto mud cakes deposited on the bottom 6 of the solid control tank through the nozzles of the three spray pipes 3, so that the mud cakes are washed.
Further, each of the nozzles 3 may include a straight pipe section 31 and a curved section 32, each straight pipe section 31 being horizontally disposed, and one end of the straight pipe section 31 being disposed on the outer circumferential surface of the joint 2 and communicating with the inner cavity of the joint 2, one end of the curved section 32 being connected with the other end of the straight pipe section 31, the other end of the curved section 32 being curved obliquely downward and in a direction away from the joint 2, so that the nozzle of the curved section 32 is directed toward the solid control tank bottom 6.
When the three nozzles are used for spraying high-pressure slurry, the three nozzles can be driven to be connected due to the reaction force of the high-pressure slurry on the nozzles, and the three nozzles 2 automatically rotate relative to the pipeline 1, so that the purpose of automatically stirring the slurry in the solid control tank by the slurry gun is achieved.
In addition, in the actual operation process, referring to fig. 7, if the periphery of the bottom 6 of the solid control tank is easy to deposit a mud cake, for example, the bottom 6 of the solid control tank is in an upward convex shape with the center, at this time, the K area of the solid control tank is easy to deposit a mud cake compared with the D area, or the thickness of the mud cake deposited in the K area is larger than that of the mud cake deposited in the D area, at this time, high-pressure mud sprayed through three nozzles is mainly sprayed to the mud cake in the K area, and after the mud cake in the K area is dissolved, the mud cake dissolution in the D area is accelerated.
In some possible embodiments, the joint 2 may include a housing 21 and a sealing cover 22, where the sealing cover 22 is mounted on the housing 21 by a bolt, the inner cavity of the housing 21 is sequentially provided with a bearing 4 and a first sealing ring 51 from top to bottom, the inside of the sealing cover 22 is provided with a second sealing ring 52, and the liquid outlet end of the pipe 1 passes through the sealing cover 22 and extends into the inner cavity of the housing 21, so that the pipe 1 is in rotary sealing fit with the housing 21. The second seal 52 effectively prevents the leakage of high pressure mud.
In some possible embodiments, the liquid inlet end of the pipeline 1 is provided with a connecting flange 11, and the slurry pump is connected with the liquid inlet end of the pipeline 1 through the connecting flange 11, so that high-pressure slurry is input into the pipeline 1 through the slurry pump.
In some possible embodiments, a splicing flange 12 may be further disposed on the pipe 1, and pipes 1 with different lengths may be spliced together by the splicing flange 12 to adapt to solid control tanks with different depths.
Example 2 of the self-rotating mud gun provided by the utility model:
the differences from example 1 are mainly that:
in example 1, the other end of each curved section 32 is curved away from the joint 2, mainly for flushing out mud cakes on the periphery of the bottom 6 of the solids tank.
In this embodiment, the other end of each curved section 32 is curved in a direction approaching the joint 2, mainly for flushing the mud cake of the inner periphery of the bottom 6 of the solid control tank.
At this time, referring to fig. 7, when the inner periphery of the bottom 6 of the solid control tank is easy to deposit a mud cake, for example, the bottom 6 of the solid control tank is in a shape with a concave center, at this time, the D area of the solid control tank is easy to deposit a mud cake compared with the K area, or the thickness of the mud cake deposited in the D area is larger than that of the mud cake deposited in the K area, at this time, high-pressure mud sprayed through three nozzles is mainly sprayed to the mud cake in the D area, and after the mud cake in the D area is dissolved, the dissolution of the mud cake in the K area is accelerated.
It will be further understood by those skilled in the art from the foregoing description of the present specification that terms such as "inner", "outer", "top", "bottom", "horizontal", and the like, which indicate an orientation or a positional relationship, are based on the orientation or the positional relationship shown in the drawings of the present specification, are for convenience only in describing aspects of the present utility model and for simplicity of description, and do not explicitly show or imply that the devices or elements involved must have the specific orientation, be constructed and operated in the specific orientation, and thus the above orientation or positional relationship terms should not be interpreted or construed as limiting aspects of the present utility model.
In addition, in the description of the present specification, the meaning of "plurality" means at least two, for example, two, three or more, etc., unless specifically defined otherwise.
Claims (8)
1. A self-rotating mud gun, comprising:
a pipe for inputting slurry, the pipe having a liquid outlet end for extending into the interior of the solids control tank;
the joint is used for being in rotary sealing connection with the liquid outlet end of the pipeline, and the inner cavity of the joint is communicated with the pipeline; and
the spray pipes are respectively arranged on the outer peripheral surface of the joint and are communicated with the inner cavity of the joint, each spray pipe is provided with a nozzle with an opening which is obliquely arranged downwards and backwards, mud cakes positioned at the bottom of the solid control tank are sprayed downwards through the nozzles to clean the mud cakes, and the nozzles are sprayed backwards through the nozzles to drive the joints to rotate forwards under the action of mud reaction.
2. The self-rotating mud gun according to claim 1, wherein each of the spray pipes comprises a straight pipe section and a curved section which are communicated, one end of the straight pipe section is arranged on the outer peripheral surface of the joint and is communicated with the inner cavity of the joint, one end of the curved section is connected with the other end of the straight pipe section, and the other end of the curved section faces downwards and backwards so that the opening of the spray nozzle faces downwards and backwards.
3. The self-rotating mud gun of claim 2, wherein each of the curved segments further extends in a direction away from the joint.
4. The self-rotating mud gun of claim 2, wherein each of the curved segments further extends in a direction toward the joint.
5. The self-rotating mud gun according to claim 2, wherein the outer circumferential surface of the received joint is a cylindrical surface, and the at least two nozzles are circumferentially spaced along the cylindrical surface.
6. The self-rotating mud gun according to claim 2, wherein the joint comprises a shell with an inner cavity, a bearing and a first sealing ring are sequentially arranged on the inner side wall of the inner cavity up and down, the liquid outlet end of the pipeline extends into the inner cavity, and the outer peripheral surface of the pipeline is respectively connected with the bearing and the inner peripheral surface of the first sealing ring;
each straight pipe section is arranged on the outer peripheral surface of the shell and is communicated with the inner cavity.
7. The self-rotating mud gun according to claim 6, wherein the joint further comprises a sealing cover covered on the shell, a second sealing ring is arranged on the inner peripheral surface of the inner cavity of the sealing cover, and the liquid outlet end of the pipeline penetrates through the sealing cover and stretches into the inner cavity of the shell.
8. A self-rotating mud gun according to any one of claims 1-7, wherein the inlet end of the pipe is provided with a connection flange for connecting to the outlet of the mud pump.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320144873.4U CN219168682U (en) | 2023-02-07 | 2023-02-07 | Self-rotating mud gun |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320144873.4U CN219168682U (en) | 2023-02-07 | 2023-02-07 | Self-rotating mud gun |
Publications (1)
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CN219168682U true CN219168682U (en) | 2023-06-13 |
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Family Applications (1)
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CN202320144873.4U Active CN219168682U (en) | 2023-02-07 | 2023-02-07 | Self-rotating mud gun |
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CN (1) | CN219168682U (en) |
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2023
- 2023-02-07 CN CN202320144873.4U patent/CN219168682U/en active Active
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