CN208535436U - A kind of vacuum sealing exhaust valve reused on insulated tubing - Google Patents
A kind of vacuum sealing exhaust valve reused on insulated tubing Download PDFInfo
- Publication number
- CN208535436U CN208535436U CN201820925520.7U CN201820925520U CN208535436U CN 208535436 U CN208535436 U CN 208535436U CN 201820925520 U CN201820925520 U CN 201820925520U CN 208535436 U CN208535436 U CN 208535436U
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- China
- Prior art keywords
- valve body
- vacuum
- locking
- sealing ring
- locking lid
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- Expired - Fee Related
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Abstract
The utility model provides a kind of vacuum sealing exhaust valve reused on insulated tubing, is related to a kind of oil-field thick-oil thermal recovery steam insulated tubing technical field.The utility model includes vacuum valve body, vacuum valve body includes valve body, locking screw column, check lock lever, locking lid and sealing ring, locking screw column is arranged in valve body, check lock lever is located at the upper end of locking screw column, locking lid includes the first locking lid that valve body upper end is arranged in and the second locking lid that valve body lower end is arranged in, sealing ring includes the first sealing ring being arranged in the first locking lid and the second sealing ring being arranged in the second locking lid, the right end of valve body is provided with vacuum catheter pump, and vacuum catheter pump is connected to by vacuumizing valve base bottom outlet with exhaust pipe tube head.Vacuum valve body is welded on the outer tube of steam insulated tubing by the utility model, is greatly facilitated manufacture phase and the vacuum processing of maintenance interval of steam insulated tubing, is extended the service life of instlated tubular, improves the thermal efficiency and economy of heavy crude heat extraction.
Description
Technical field
The utility model relates to a kind of oil-field thick-oil thermal recovery steam insulated tubing technical fields, exist more particularly to one kind
The vacuum sealing exhaust valve reused on insulated tubing.
Background technique
Currently, steam injection recovery is the important means of heavy crude producing.The thermally insulating the borehole technology of gas injection process is widely used true
Empty instlated tubular.Vacuum heat insulation tube is a kind of high-efficiency steam tubing string, and interlayer reduces pair to the maximum extent after being vacuum-treated
Heat is spread, the heat-proof quality of insulated tubing is greatly improved.The vacuum degree of insulated tubing affects the thermal insulation of insulated tubing
Can, and heat-insulated related heat-proof quality directly affects gas injection development effectiveness, to affect the effect of heavy crude producing.
Utility model content
Aiming at the shortcomings existing in the above problems, the utility model, which provides, a kind of reuses on insulated tubing
Vacuum sealing exhaust valve makes it greatly facilitate the manufacture phase of steam insulated tubing and the vacuum processing of maintenance interval, extend every
The service life of heat pipe improves the utilization rate and economy of insulated tubing.
To solve the above-mentioned problems, the utility model provides a kind of vacuum sealing exhaust reused on insulated tubing
Valve, wherein including vacuum valve body, the vacuum valve body includes valve body, locking screw column, check lock lever, locking lid and sealing ring, institute
It states locking screw column to be arranged in the valve body, the check lock lever is located at the upper end of the locking screw column, the locking lid packet
The second locking lid for including the first locking lid that the valve body upper end is set and the valve body lower end being set, the sealing ring packet
The second sealing ring for including the first sealing ring being arranged in first locking lid and being arranged in second locking lid, it is described
The right end of valve body is provided with vacuum catheter pump, and the vacuum catheter pump is connected by vacuumizing valve base bottom outlet and exhaust pipe tube head
It is logical.
Preferably, gasket is provided in the locking screw column, the locking screw column is arranged in the gasket
At connector and the gasket it is corresponding with the check lock lever be tightly connected.
Preferably, first locking lid is connect by first sealing ring with the valve seal, second lock
Tight lid is connect by second sealing ring with the valve seal.
Preferably, the check lock lever slides up and down setting inside the locking screw column.
Compared with prior art, the utility model has the advantage that
The utility model greatly facilitates manufacture phase and the vacuum processing of maintenance interval of steam insulated tubing, extends heat-insulated
The service life of pipe improves the utilization rate and economy of insulated tubing.
Detailed description of the invention
Fig. 1 is the embodiments of the present invention original state structural schematic diagram；
Fig. 2 is the embodiments of the present invention final state structural schematic diagram.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to the accompanying drawing with example
The utility model is described in further detail, but example is not as the restriction to the utility model.
As depicted in figs. 1 and 2, the embodiments of the present invention include vacuum valve body, the vacuum valve body include valve body 1,
Locking screw column 2, check lock lever 3, locking lid and sealing ring, the locking screw column 2 are arranged in the valve body 1, the locking
Bar 3 is located at the upper end of the locking screw column 2, and the locking lid includes that 4 He of the first locking lid of 1 upper end of valve body is arranged in
Second locking lid 5 of 1 lower end of valve body is set, and the sealing ring includes first be arranged in first locking lid 4
Sealing ring 6 and the second sealing ring 7 being arranged in second locking lid 5, the right end of the valve body 1 are provided with vacuum catheter pump
8, the vacuum catheter pump 8 is connected to by vacuumizing valve base bottom outlet with exhaust pipe tube head.
Gasket 9 is provided in the locking screw column 2, the connection of the locking screw column 2 is arranged in the gasket 9
Mouthful at and the gasket 9 it is corresponding with the check lock lever 3 sealed connection.
First locking lid 4 is tightly connected by first sealing ring 6 with the valve body 1, second locking lid 5
It is tightly connected by second sealing ring 7 with the valve body 1.
The check lock lever 3 slides up and down setting inside the locking screw column 2.
In the present embodiment, vacuum valve body is welded on insulated tubing outer tube 10, and it is close that gasket 9 is sleeved on locking screw column 2
At cover, the insertion vacuum valve body hole of locking screw column 2 is floating to be put, and vacuum valve body is inserted into vacuum pumping valve housing bottom outlet, locking nut
Sealed bottom gasket 9, the outer hexagonal prism of slide-and-lock bar 3 are inserted into the hexagonal hole on locking screw column 2, locking top nut sealing
Pad, vacuum catheter pump access exhaust pipe tube head.Confirmation sealing effectively, is opened vacuum pump and is vacuumized, vacuum degree reaches prescribed requirement value
When, pressure maintaining 10 minutes, make the insulated tubing vacuum seal valve locking screw column sealing vacuum valve that screws up with a wrench.Confirm vacuum sealing
After valve sealing effectively, stop vacuum pump work, removes vacuum pumping valve.
The material of the present embodiment is metal material, and vacuum sealing valve body material must be identical as insulated tubing material, welding
Material is higher than base material, and gasket is T2 red copper material, disposable, and the lock sealing pad of vacuumizing and exhausting valve is silicon rubber 0
Type circle.Vacuum sealing valve body screw thread, locking screw column are closely-pitched round thread button.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (4)
1. a kind of vacuum sealing exhaust valve reused on insulated tubing, which is characterized in that described true including vacuum valve body
Empty valve body includes valve body, locking screw column, check lock lever, locking lid and sealing ring, and the locking screw column is arranged in the valve body
Interior, the check lock lever is located at the upper end of the locking screw column, and the locking lid includes first that the valve body upper end is arranged in
Locking lid and the second locking lid that the valve body lower end is arranged in, the sealing ring includes being arranged in first locking lid
First sealing ring and the second sealing ring being arranged in second locking lid, the right end of the valve body are provided with vacuum pump and lead
Pipe, the vacuum catheter pump are connected to by vacuumizing valve base bottom outlet with exhaust pipe tube head.
2. the vacuum sealing exhaust valve reused on insulated tubing as described in claim 1, which is characterized in that the lock
It is provided with gasket in tight threaded post, the gasket is arranged at the connector of the locking screw column and the gasket
It is corresponding with the check lock lever to be tightly connected.
3. the vacuum sealing exhaust valve reused on insulated tubing as claimed in claim 2, which is characterized in that described
One locking lid is connect by first sealing ring with the valve seal, and second locking lid passes through second sealing ring
It is connect with the valve seal.
4. the vacuum sealing exhaust valve reused on insulated tubing as claimed in claim 3, which is characterized in that the lock
Tight bar slides up and down setting inside the locking screw column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820925520.7U CN208535436U (en) | 2018-06-15 | 2018-06-15 | A kind of vacuum sealing exhaust valve reused on insulated tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820925520.7U CN208535436U (en) | 2018-06-15 | 2018-06-15 | A kind of vacuum sealing exhaust valve reused on insulated tubing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208535436U true CN208535436U (en) | 2019-02-22 |
Family
ID=65391873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820925520.7U Expired - Fee Related CN208535436U (en) | 2018-06-15 | 2018-06-15 | A kind of vacuum sealing exhaust valve reused on insulated tubing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208535436U (en) |
-
2018
- 2018-06-15 CN CN201820925520.7U patent/CN208535436U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190222 Termination date: 20210615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |