CN210585405U - Liquid inlet sealing structure of drilling fluid centrifugal separation device - Google Patents
Liquid inlet sealing structure of drilling fluid centrifugal separation device Download PDFInfo
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- CN210585405U CN210585405U CN201921415205.0U CN201921415205U CN210585405U CN 210585405 U CN210585405 U CN 210585405U CN 201921415205 U CN201921415205 U CN 201921415205U CN 210585405 U CN210585405 U CN 210585405U
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Abstract
The utility model discloses a drilling fluid centrifugal separation device feed liquor seal structure, centrifugal separation device includes rotary drum assembly, barrel subassembly and feed liquor pipe, the barrel subassembly is provided with the adapter sleeve in inlet one end, the adapter sleeve sets up in the rotary drum assembly, is provided with bearing assembly between adapter sleeve and the rotary drum assembly, be provided with the barrier sleeve in the adapter sleeve, fixed connection between barrier sleeve one end and the barrier sleeve is located to the adapter sleeve, and the barrier sleeve other end stretches into in the inlet channel. An isolation sleeve is arranged between the liquid inlet pipe and the cylinder component to isolate the connecting sleeve from the liquid inlet pipe, so that drilling fluid in the cylinder component can be effectively prevented from entering the bearing component through the liquid inlet, the bearing component is effectively protected, and normal rotation and operation between the cylinder component and the rotary drum assembly are ensured; the sealing structure is simple in overall structure, convenient to install and use and capable of achieving a good isolation effect.
Description
Technical Field
The utility model relates to an oil drilling equipment technical field, in particular to drilling fluid centrifugal separation device feed liquor seal structure.
Background
Drilling fluids are water-based or oil-based suspensions containing a plurality of insoluble solid phase particles. In drilling fluid treatment, centrifuges are commonly used for separating fine debris particles in drilling fluid and also for recovering drilling fluid weighting materials such as barite and the like. The centrifugal machine drives the drilling fluid in the cylinder to rotate at a high speed by means of the cylinder rotating at a high speed, so that centrifugal force equivalent to hundreds of even thousands of gravitational acceleration is generated, and solid-phase particles in the drilling fluid are forced to rapidly settle on the inner wall of the cylinder. The drilling liquid is continuously fed into the cylinder body of the centrifuge through the discharge port of the spiral pusher by the feeding pipe, the solid matter precipitated on the inner wall of the cylinder body is continuously scraped out of the cylinder body by the spiral pusher which is contained in the cylinder body and has a slight difference in rotation speed relative to the cylinder body, and simultaneously, the clarified annular liquid far away from the inner wall of the cylinder body continuously flows out of the cylinder body through a group of overflow holes. The liquid inlet pipe in the existing horizontal centrifugal separation equipment usually directly extends into the cylinder body of the equipment, and because a bearing rotating structure is usually arranged between the cylinder body and the rotary drum, and a clearance fit mode is usually adopted between the liquid inlet pipe and the cylinder body, the drilling fluid in the cylinder body easily enters the bearing rotating structure, and the normal operation of the centrifugal separation equipment is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the above-mentioned technical problem who exists among the prior art, provide a drilling fluid centrifugal separation device feed liquor seal structure, can effectively solve the drilling fluid and enter into the rotating-structure of device and influence the problem of centrifugal separation device normal operating.
In order to solve the technical problem, the utility model discloses a technical scheme as follows:
the utility model provides a drilling fluid centrifugal separation device feed liquor seal structure, centrifugal separation device includes rotary drum assembly, barrel subassembly and feed liquor pipe, the barrel subassembly sets up in the rotary drum assembly, and barrel subassembly one end is provided with the inlet, and it is provided with inlet channel to lie in inlet one end on the rotary drum assembly, the feed liquor pipe sets up in inlet channel, stretches into the barrel subassembly through the inlet in, the barrel subassembly is provided with the adapter sleeve in inlet one end, the adapter sleeve sets up in the rotary drum assembly, is provided with bearing assembly between adapter sleeve and the rotary drum assembly, be provided with isolation sleeve in the adapter sleeve, fixed connection between isolation sleeve one end and the isolation sleeve is located to the adapter sleeve, and the isolation sleeve other end stretches into in the inlet channel.
In the above technical scheme, further, one end of the isolation sleeve extending into the liquid inlet channel extends out of the drum assembly.
In the above technical scheme, further, an oil-retaining bearing is arranged between one end of the isolation sleeve extending into the liquid inlet channel and the drum assembly.
In the above technical solution, further, a first sealing assembly and a second sealing assembly are respectively disposed on the connecting sleeve on two sides of the bearing assembly.
In the above technical scheme, further, the first sealing component is a Y-shaped sealing ring sleeved on the connecting sleeve, and the second sealing component is a framework oil seal sleeved on the connecting sleeve.
In the above technical scheme, further, the connecting sleeve is sleeved with a left bearing cover and a right bearing cover, the bearing assembly is arranged between the left bearing cover and the right bearing cover, one end of the right bearing cover is provided with a flange, the second sealing assembly is arranged in the flange, and the outer end face of the flange abuts against the bearing assembly.
In the utility model, the isolating sleeve is arranged between the liquid inlet pipe and the barrel component to isolate the connecting sleeve from the liquid inlet pipe, so that the drilling fluid in the barrel component can be effectively prevented from entering a bearing component between the connecting sleeve and the rotary drum assembly through the liquid inlet, the bearing component is effectively protected, and the normal rotation and operation between the barrel component and the rotary drum assembly are ensured; the sealing structure is simple in overall structure, convenient to install and use and capable of achieving a good isolation effect.
Drawings
FIG. 1 is a schematic view of the structure of the centrifugal separation device of the present invention
Fig. 2 is the schematic diagram of the liquid inlet sealing structure of the present invention.
Fig. 3 is the utility model discloses feed liquor seal structure assembly relation schematic diagram.
In the figure: 1. the rotary drum assembly comprises a rotary drum assembly, 2, a cylinder body assembly, 201, a liquid inlet, 3, a liquid inlet pipe, 4, a liquid inlet channel, 5, a connecting sleeve, 6, a bearing assembly, 7, an isolating sleeve, 8, an oil bearing, 9, a first sealing assembly, 10, a second sealing assembly, 11, a left bearing cover, 12, a right bearing cover, 13 and a flange.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the overall structure of the centrifugal separation device for drilling fluid in this embodiment is schematically illustrated, and as can be seen from the figure, the centrifugal separation device includes a drum assembly 1, a cylinder assembly 2 and a fluid inlet pipe 3, the cylinder assembly 2 is disposed in the drum assembly 1, one end of the cylinder assembly 2 is provided with a fluid inlet 201, one end of the drum assembly 1, which is located at the fluid inlet, is provided with a fluid inlet channel 4, and the fluid inlet pipe 3 is disposed in the fluid inlet channel 4 and extends into the cylinder assembly 2 through the fluid inlet 201. The drilling fluid is conveyed into the cylinder assembly through the fluid inlet pipe, the drilling fluid in the cylinder assembly is conveyed into the rotary drum assembly in the rotating process of the cylinder assembly, a rotating speed difference is formed between the cylinder assembly and the rotary drum assembly in the rotating process of the cylinder assembly, and the centrifugal separation processing operation of the drilling fluid is realized by separating the centrifugal separated solid particles from the drilling fluid through the helical blades arranged on the cylinder assembly.
As shown in fig. 2 and 3, a connecting sleeve 5 is arranged at one end of the liquid inlet of the cylinder component 2, the connecting sleeve 5 is arranged in the drum assembly 1, and a bearing assembly 6 is arranged between the connecting sleeve 5 and the drum assembly 1, so that the cylinder component and the drum assembly are rotatably connected. An isolation sleeve 7 is arranged in the connecting sleeve 5, the connecting sleeve 5 is sleeved between one end of the isolation sleeve 7 and is fixedly connected with the isolation sleeve 7, a connecting flange is arranged at the end part of the end of the isolation sleeve, the isolation sleeve is fixedly connected onto the connecting sleeve through the connecting flange, and the other end of the isolation sleeve 7 extends into the liquid inlet channel 4. Preferably, one end of the isolation sleeve 7 extending into the liquid inlet channel extends out of the drum assembly 1. The isolating sleeve is arranged between the liquid inlet pipe and the barrel assembly and between the drum assembly and the connecting sleeve to isolate the drum assembly from the liquid inlet pipe, so that the drilling fluid in the barrel assembly can be effectively prevented from entering a bearing assembly between the connecting sleeve and the drum assembly through the liquid inlet, and the bearing assembly is effectively protected.
Preferably, an oil bearing 8 is arranged between one end of the isolation sleeve 7 extending into the liquid inlet channel and the rotary drum assembly 1. Form stable support between the spacer sleeve other end and the rotary drum assembly through setting up the oiliness bearing, prevent that rotary drum bearing and spacer sleeve from taking place relative rotation when, taking place friction and touching between the two, and influence the operation and the use of device.
A first sealing component 9 and a second sealing component 10 are respectively arranged on the connecting sleeve 5 at two sides of the bearing component. Preferably, the first sealing component 9 is a Y-shaped sealing ring sleeved on the connecting sleeve, and the second sealing component 10 is a framework oil seal sleeved on the connecting sleeve. Wherein first seal assembly sets up in the one side that is close to inlet channel, and second seal assembly sets up in the one side that is close to the inlet, through set up sealed respectively in bearing assembly both sides, can further prevent that drilling fluid from entering into bearing assembly, carries out effectual protection to bearing assembly.
As shown in fig. 3, a left bearing cover 11 and a right bearing cover 12 are sleeved on the connecting sleeve 5, the bearing assembly 6 is arranged between the left bearing cover 11 and the right bearing cover 12, a flange 13 is arranged at one end of the right bearing cover 12, the second sealing assembly 10 is arranged in the flange 13, and the outer end face of the flange 13 is pressed against the bearing assembly 6. Carry out fixed mounting through left bearing cap and right bearing cap to bearing assembly on the link sleeve, through the cooperation installation that can make between skeleton oil blanket and the bearing assembly better, guarantee that it has better sealing performance.
The present invention is not limited to the above description and drawings, but should be understood as being illustrative and not restrictive, and the technical features can be replaced and modified without creative efforts by those skilled in the art according to the technical content disclosed, all falling within the scope of the present invention.
Claims (6)
1. The utility model provides a drilling fluid centrifugal separation device feed liquor seal structure, centrifugal separation device includes rotary drum assembly, barrel subassembly and feed liquor pipe, the barrel subassembly sets up in the rotary drum assembly, and barrel subassembly one end is provided with the inlet, and it is provided with inlet channel to lie in inlet one end on the rotary drum assembly, the feed liquor pipe sets up in inlet channel, stretches into its characterized in that through the inlet in the barrel subassembly: the drum assembly is characterized in that a connecting sleeve is arranged at one end of the liquid inlet of the drum assembly and is arranged in the rotary drum assembly, a bearing assembly is arranged between the connecting sleeve and the rotary drum assembly, an isolation sleeve is arranged in the connecting sleeve, one end of the isolation sleeve and the isolation sleeve are fixedly connected through the connecting sleeve, and the other end of the isolation sleeve extends into the liquid inlet channel.
2. The liquid inlet sealing structure of the drilling fluid centrifugal separation device according to claim 1, characterized in that: and one end of the isolation sleeve extending into the liquid inlet channel extends out of the rotary drum assembly.
3. The liquid inlet sealing structure of the drilling fluid centrifugal separation device according to claim 1 or 2, characterized in that: an oil bearing is arranged between one end of the isolation sleeve extending into the liquid inlet channel and the rotary drum assembly.
4. The liquid inlet sealing structure of the drilling fluid centrifugal separation device according to claim 1, characterized in that: and a first sealing assembly and a second sealing assembly are respectively arranged on the two sides of the bearing assembly on the connecting sleeve.
5. The liquid inlet sealing structure of the drilling fluid centrifugal separation device according to claim 4, characterized in that: the first sealing component is a Y-shaped sealing ring sleeved on the connecting sleeve, and the second sealing component is a framework oil seal sleeved on the connecting sleeve.
6. The liquid inlet sealing structure of the drilling fluid centrifugal separation device according to claim 4, characterized in that: the connecting sleeve is sleeved with a left bearing cover and a right bearing cover, the bearing assembly is arranged between the left bearing cover and the right bearing cover, a flange is arranged at one end of the right bearing cover, the second sealing assembly is arranged in the flange, and the outer end face of the flange abuts against the bearing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921415205.0U CN210585405U (en) | 2019-08-28 | 2019-08-28 | Liquid inlet sealing structure of drilling fluid centrifugal separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921415205.0U CN210585405U (en) | 2019-08-28 | 2019-08-28 | Liquid inlet sealing structure of drilling fluid centrifugal separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210585405U true CN210585405U (en) | 2020-05-22 |
Family
ID=70712265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921415205.0U Active CN210585405U (en) | 2019-08-28 | 2019-08-28 | Liquid inlet sealing structure of drilling fluid centrifugal separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210585405U (en) |
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2019
- 2019-08-28 CN CN201921415205.0U patent/CN210585405U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201120 Address after: 618304 Sichuan province Deyang city Guanghan city small Han town high trough village two societies Patentee after: GUANGHAN ALISHENGMU PETROLEUM EQUIPMENT Co.,Ltd. Address before: 618304 Sichuan province Deyang city Guanghan city small Han town high trough village two societies Patentee before: Guanghan Yuanhang petroleum well control equipment Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210220 Address after: 618304 group 2, Gaocao village, Xiaohan Town, Guanghan City, Deyang City, Sichuan Province Patentee after: Guanghan Yuanhang petroleum well control equipment Co.,Ltd. Address before: 618304 group 2, Gaocao village, Xiaohan Town, Guanghan City, Deyang City, Sichuan Province Patentee before: GUANGHAN ALISHENGMU PETROLEUM EQUIPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right |