CN203404064U - Valve body and valve seat for fracturing pump - Google Patents
Valve body and valve seat for fracturing pump Download PDFInfo
- Publication number
- CN203404064U CN203404064U CN201320142256.7U CN201320142256U CN203404064U CN 203404064 U CN203404064 U CN 203404064U CN 201320142256 U CN201320142256 U CN 201320142256U CN 203404064 U CN203404064 U CN 203404064U
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- China
- Prior art keywords
- valve
- valve body
- valve seat
- pump
- rubber
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model relates to a valve body and a valve seat for a fracturing pump, aiming to change a cone angle of a pump valve. A cone angle of 18 degrees is used to reduce impact force of the pump valve and to improve the service life of the valve body and the valve seat. According to the technical scheme employed, valve rubber is sulfurized on the valve body; a cone face of the sulfurized valve rubber is higher than a metal cone face of the valve body; and when the valve body descends, the cone face of the valve rubber can contact with the valve seat first to achieve good buffering and sealing effects. The contact surface between the valve body and the valve seat uses an 18-degree cone angle. Impact resistance strength and shear strength are improved, and the service life is extended.
Description
Technical field
The utility model relates to a kind of valve body and valve seat can with special seal angle, for reciprocating pumps such as high pressure slurry pump, fracturing pumps.
Background technique
At present, in oil drilling and fracturing work, pump valve tempers in Korrosionsmedium and works in high pressure, and the working surface that valve seat contacts with valve body is sealing surface and friction pair, is the main easily damaged parts that affects the pump valve life-span.Pump valve directly affects the service behaviour of pump., because pump valve acts frequently, work under hard conditions, working life is short meanwhile, and it is easily damaged parts.The impact phenomenon of pump valve, has also limited the raising of pump speed to a certain extent.Employing 55 degree of traditional pump valve and 45 degree cone angles often, what have also adopts 30 degree cone angles.The life-span of current valve block is generally lower, about 200-300 hour.
Summary of the invention
The purpose of this utility model is to change the cone angle of pump valve, adopts the cone angle of 18 degree, reduces the impact force of pump valve, improves the working life of valve block.
The object of the invention is to be achieved through the following technical solutions:
The valve body of using and a valve seat, the cone angle that the surface of contact of described valve body and valve seat adopts is 18 degree.
On the surface of contact of described valve body and valve rubber, be provided with the waterline of concentric circles.
Described valve rubber is that directly sulfuration is on valve body.
The conical surface of described valve rubber exceeds the metal conical surface of valve body.
The cone angle that surface of contact described valve rubber and valve seat adopts is 18 degree.
On the conical surface contacting with valve rubber at valve body, be processed into the waterline of some concentric circles, valve rubber is that directly sulfuration is on valve body, and the conical surface of the valve rubber after sulfuration exceeds the valve body conical surface, when pump valve is taken a seat, can slow down and impact and when closing, increase sealing contact surface, improve sealability.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of valve body and valve seat
Description of reference numerals: 1-valve body; 2-valve rubber; 3-valve seat; The 4-conical surface.
Embodiment
Below in conjunction with 1 pair of novel pump valve of basis of accompanying drawing, be described in further detail: referring to accompanying drawing 1.
The cone angle of pump valve is 18 degree, has increased impact strength and shear resistance, has extended working life.
After rubber sulfuration, make the valve rubber conical surface slightly protrude from the valve body conical surface, when valve body declines, the valve rubber conical surface can first contact valve seat, and it is so as to reaching buffering and good sealing effect.
Claims (4)
1. fracturing pump is used valve body and a valve seat, is characterized in that: the cone angle that the surface of contact of described valve body and valve seat adopts is 18 degree.
2. fracturing pump as claimed in claim 1 is used valve body and a valve seat, is characterized in that: the surface of contact of described valve body and valve rubber is provided with the waterline of concentric circles.
3. fracturing pump as claimed in claim 2 is used valve body and a valve seat, is characterized in that: described valve rubber is for directly vulcanizing on valve body.
4. fracturing pump as claimed in claim 2 is used valve body and a valve seat, is characterized in that the conical surface of described valve rubber exceeds the metal conical surface of valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320142256.7U CN203404064U (en) | 2013-03-27 | 2013-03-27 | Valve body and valve seat for fracturing pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320142256.7U CN203404064U (en) | 2013-03-27 | 2013-03-27 | Valve body and valve seat for fracturing pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203404064U true CN203404064U (en) | 2014-01-22 |
Family
ID=49940004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320142256.7U Expired - Fee Related CN203404064U (en) | 2013-03-27 | 2013-03-27 | Valve body and valve seat for fracturing pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203404064U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564649A (en) * | 2014-12-25 | 2015-04-29 | 上海清河机械有限公司 | Hydraulic end assembly of fracturing pump |
| CN105840486A (en) * | 2016-06-03 | 2016-08-10 | 西南石油大学 | Vibration reduction pump valve device, capable of transporting high-concentration sand adding fracturing fluid, of fracturing pump |
-
2013
- 2013-03-27 CN CN201320142256.7U patent/CN203404064U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564649A (en) * | 2014-12-25 | 2015-04-29 | 上海清河机械有限公司 | Hydraulic end assembly of fracturing pump |
| CN105840486A (en) * | 2016-06-03 | 2016-08-10 | 西南石油大学 | Vibration reduction pump valve device, capable of transporting high-concentration sand adding fracturing fluid, of fracturing pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 266000 Shandong province Qingdao city Chengyang District Liuting Street Airport Industrial Zone Patentee after: Qingdao days oil and gas equipment service Limited by Share Ltd. Address before: 266108, No. 2, Heng Ming Road, Liuting Industrial Park, Chengyang District, Shandong, Qingdao Patentee before: QINGDAO TIANSHI PETROLEUM MACHINERY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 266000 Shandong province Qingdao city Chengyang District Liuting Street Airport Industrial Zone Patentee after: QINGDAO TIANSHI OIL GAS EQUIPMENT SERVICES GROUP CO.,LTD. Address before: 266000 Shandong province Qingdao city Chengyang District Liuting Street Airport Industrial Zone Patentee before: Qingdao days oil and gas equipment service Limited by Share Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |