CN104089036A - Gate valve applicable to high temperature, high pressure, high sand contents and highly-corrosive mediums - Google Patents
Gate valve applicable to high temperature, high pressure, high sand contents and highly-corrosive mediums Download PDFInfo
- Publication number
- CN104089036A CN104089036A CN201410311317.7A CN201410311317A CN104089036A CN 104089036 A CN104089036 A CN 104089036A CN 201410311317 A CN201410311317 A CN 201410311317A CN 104089036 A CN104089036 A CN 104089036A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- valve seat
- seal ring
- high temperature
- Prior art date
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0227—Packings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention relates to the technical field of valves, in particular to a gate valve applicable to high temperature, high pressure, high sand content and highly-corrosive mediums. The gate valve comprises a plate valve body. The plate valve body is composed of a main valve body, a valve plate, a valve rod, a valve bonnet and a valve seat combination device. The valve seat combination device is composed of a valve seat, a main valve body bushing, a C-shaped metal seal ring, a seal ring A, a seal ring B, an elastic supporting ring A and an elastic supporting ring B. The valve seat makes contact with the valve plate, one end of the main valve body bushing is matched with the valve seat, the other end of the main valve body bushing makes contact with the main valve body, a seal step is arranged between the main valve body bushing and the valve seat, the C-shaped metal seal ring is arranged between the valve seat and the main valve body bushing, and the opening of the C-shaped metal seal ring is installed facing outwards. The gate valve is simple in structure, reasonable in design and safe to operate; the application range of the valve in various environments of an oil field is widened, the gate valve can be used much more conveniently in the oil field on site, and potential safety hazards are reduced.
Description
Technical field
The present invention relates to valve technology field, be specifically related to a kind of gate valve that is applicable to high temperature, high pressure, high sand content, high-corrosion medium.
Background technique
In the various operations involving high pressures in oil field, particularly in acidifying, fracturing work, the fluid contacting is all the medium of high temperature, high pressure, high sand content, highly corrosive, under this exceedingly odious working environment, the rubber seal that very easily occurs gate valve lost efficacy, valve body is subject to that side blow damages and valve pocket in be full of sand grains and gate valve operation be obstructed etc. have a strong impact on the accident of operation, even cause casualties, oil field operation brings great difficulty.
Summary of the invention
The object of the invention is to defect and deficiency for prior art, provide a kind of simple in structure, reasonable in design, the easy to use gate valve that is applicable to high temperature, high pressure, high sand content, high-corrosion medium, it has simple in structure, reasonable in design, handling safety, improved valve in the all-environment Applicable scope of Oil Field, be very easy to Oil Field and use, reduced potential safety hazard.
The gate valve that is applicable to high temperature, high pressure, high sand content, high-corrosion medium of the present invention, it comprises flap type body, described flap type body is by valve body, valve plate, valve rod, valve gap, valve seat combination installation composition, described valve seat combination device, is comprised of valve seat, valve body lining, C shape metal o-ring, seal ring A, seal ring B, elastic support circle A, elastic support circle B; Described valve seat contacts with valve plate; Match with valve seat in described valve body lining one end, its other end contacts with valve body, between valve body lining and valve seat, is provided with sealed step; Described C shape metal o-ring is placed between valve seat and valve body lining, and its opening is installed outwardly; Described seal ring A, seal ring B are that the PEEK seal ring by stainless steel spring circle and high temperature high voltage resistant combines; Described elastic support circle A is installed between valve seat and valve body lining; Elastic support circle B is installed in the matching hole of valve body lining and valve body.
Adopt after said structure, beneficial effect of the present invention is: the gate valve that is applicable to high temperature, high pressure, high sand content, high-corrosion medium of the present invention, it has simple in structure, reasonable in design, handling safety, improved valve in the all-environment Applicable scope of Oil Field, be very easy to Oil Field and use, reduced potential safety hazard.
Accompanying drawing explanation
Accompanying drawing described herein is to be used to provide a further understanding of the present invention, forms the application's a part, but do not form inappropriate limitation of the present invention, in the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A portion enlarged view of Fig. 1.
Description of reference numerals:
1, valve body; 2, valve plate; 3, C shape metal o-ring; 4, elastic support circle A; 5, valve seat; 6, elastic support circle B; 7, seal ring A, 8, seal ring B; 9, valve body lining; 10, valve rod; 11, valve gap.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, describe the present invention in detail, illustrative examples wherein and explanation are only used for explaining the present invention, but not as a limitation of the invention.
As shown in Figure 1 and Figure 2, the gate valve that is applicable to high temperature, high pressure, high sand content, high-corrosion medium described in this embodiment, it comprises flap type body, and described flap type body is by valve body 1, valve plate 2, valve rod 10, valve gap 11, valve seat combination installation composition; Described valve seat combination device, is comprised of valve seat 5, valve body lining 9, C shape metal o-ring 3, seal ring A7, seal ring B8, elastic support circle A4, elastic support circle B6; Described valve seat 5 contacts with valve plate 2; Match with valve seat 5 in described valve body lining 9 one end, its other end contacts with valve body 1, between valve body lining 9 and valve seat 5, is provided with sealed step; Described C shape metal o-ring 3 is placed between valve seat 5 and valve body lining 9, and its opening is installed outwardly; Described seal ring A7, seal ring B8 are that the PEEK seal ring by stainless steel spring circle and high temperature high voltage resistant combines; Described elastic support circle A4, elastic support circle B6 are installed on respectively in the matching hole of valve seat 5 and valve body lining 9, valve body lining 9 and valve body 1.
Working principle of the present invention is as follows:
Valve seat combination device symmetry is installed on flashboard 2 both sides, so that this gate valve does not in use have directivity; Valve seat 5 contacts with valve plate 2, plays and close seal action during valve closing; Match with valve seat 5 in valve body lining 9 one end, the other end contacts with valve body 1, can prevent the direct side blow valve body of fluid, between valve body lining 9 and valve seat 5, is designed with sealed step, can prevent that mud or sand from entering valve pocket; C shape metal o-ring 3 is placed between valve seat 5 and valve body lining 9, opening outwardly, the gap between sealed valve body lining 9 and valve seat 5; Seal ring A7, seal ring B8 are that the PEEK seal ring by stainless steel spring circle and high temperature high voltage resistant combines, the gap between sealed valve body lining 9 and valve body 1; Elastic support circle A4, elastic support circle B6 can guarantee valve seat 5 and the close positioning of valve body lining 9 in matching hole.
The gate valve that is applicable to high temperature, high pressure, high sand content, high-corrosion medium of the present invention, it has simple in structure, reasonable in design, handling safety, be more suitable in the extreme environment work at high temperature, high pressure, high sand content, high-corrosion medium, greatly improved valve in the all-environment Applicable scope of Oil Field.
The above is only better embodiment of the present invention, and the equivalence of doing according to structure, feature and principle described in patent claim of the present invention therefore all changes or modifies, and is included in patent claim of the present invention.
Claims (5)
1. be applicable to the gate valve of high temperature, high pressure, high sand content, high-corrosion medium, it is characterized in that: it comprises flap type body, described flap type body is by valve body (1), valve plate (2), valve rod (10), valve gap (11), valve seat combination installation composition; Described valve seat combination device, by valve seat (5), valve body lining (9), C shape metal o-ring (3), seal ring A(7), seal ring B(8), elastic support circle A(4), elastic support circle B(6) form; Described valve seat (5) contacts with valve plate (2); Match with valve seat (5) in described valve body lining (9) one end, its other end contacts with valve body (1), between valve body lining (9) and valve seat (5), is provided with sealed step; Described C shape metal o-ring (3) is placed between valve seat (5) and valve body lining (9), and its opening is installed outwardly; Described seal ring A(7), be seal ring B(8) that PEEK seal ring by stainless steel spring circle and high temperature high voltage resistant combines; Described elastic support circle A(4) be installed between valve seat (5) and valve body lining (9); Elastic support circle B(6) be installed in the matching hole of valve body lining (9) and valve body (1).
2. the gate valve that is applicable to high temperature, high pressure, high sand content, high-corrosion medium according to claim 1, is characterized in that: C shape metal o-ring (3) is placed between valve seat (5) and valve body lining (9), and its opening is installed outwardly.
3. the gate valve that is applicable to high temperature, high pressure, high sand content, high-corrosion medium according to claim 1, is characterized in that: valve body (1) is the high strength alloy structural steel of Integral die-forged.
4. the gate valve that is applicable to high temperature, high pressure, high sand content, high-corrosion medium according to claim 1, is characterized in that: valve plate (2) and valve seat (5) surface are spraying WC cemented carbide.
5. the gate valve that is applicable to high temperature, high pressure, high sand content, high-corrosion medium according to claim 1, is characterized in that: elastic support circle A(4) be installed between valve seat (5) and valve body lining (9); Elastic support circle B(6) be installed in the matching hole of valve body lining (9) and valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410311317.7A CN104089036A (en) | 2014-07-02 | 2014-07-02 | Gate valve applicable to high temperature, high pressure, high sand contents and highly-corrosive mediums |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410311317.7A CN104089036A (en) | 2014-07-02 | 2014-07-02 | Gate valve applicable to high temperature, high pressure, high sand contents and highly-corrosive mediums |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104089036A true CN104089036A (en) | 2014-10-08 |
Family
ID=51636778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410311317.7A Pending CN104089036A (en) | 2014-07-02 | 2014-07-02 | Gate valve applicable to high temperature, high pressure, high sand contents and highly-corrosive mediums |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104089036A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101303091A (en) * | 2006-05-22 | 2008-11-12 | 大连大洋阀门研究发展有限公司 | Integral type flange valve and valve body as well as die forge forming method |
| CN201475391U (en) * | 2009-08-06 | 2010-05-19 | 苏州道森压力控制有限公司 | Flat-plate gate valve with combined valve base |
| CN201827513U (en) * | 2010-10-14 | 2011-05-11 | 天津精通控制仪表技术有限公司 | Anti-cavitation regulating valve |
| CN202209442U (en) * | 2011-08-25 | 2012-05-02 | 自贡市巨光硬面材料有限公司 | Durable gate valve |
| WO2012154206A1 (en) * | 2011-05-09 | 2012-11-15 | Cameron International Corporation | Split gate valve with biasing mechanism |
| CN202851945U (en) * | 2012-07-16 | 2013-04-03 | 成都凯天电子股份有限公司 | Self-tightening type metal C-shaped sealing ring |
| CN203442183U (en) * | 2013-08-01 | 2014-02-19 | 四川崇泰石油机械有限公司 | Anti-sand valve |
| CN203670846U (en) * | 2014-01-16 | 2014-06-25 | 西安东新石油设备厂有限公司 | Flat gate valve with under-pressure replace valve rod and balance rod |
| CN203979454U (en) * | 2014-07-02 | 2014-12-03 | 普胜特能源（广汉）服务有限公司 | Be applicable to the gate valve of high temperature, high pressure, high sand content, high-corrosion medium |
-
2014
- 2014-07-02 CN CN201410311317.7A patent/CN104089036A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101303091A (en) * | 2006-05-22 | 2008-11-12 | 大连大洋阀门研究发展有限公司 | Integral type flange valve and valve body as well as die forge forming method |
| CN201475391U (en) * | 2009-08-06 | 2010-05-19 | 苏州道森压力控制有限公司 | Flat-plate gate valve with combined valve base |
| CN201827513U (en) * | 2010-10-14 | 2011-05-11 | 天津精通控制仪表技术有限公司 | Anti-cavitation regulating valve |
| WO2012154206A1 (en) * | 2011-05-09 | 2012-11-15 | Cameron International Corporation | Split gate valve with biasing mechanism |
| CN202209442U (en) * | 2011-08-25 | 2012-05-02 | 自贡市巨光硬面材料有限公司 | Durable gate valve |
| CN202851945U (en) * | 2012-07-16 | 2013-04-03 | 成都凯天电子股份有限公司 | Self-tightening type metal C-shaped sealing ring |
| CN203442183U (en) * | 2013-08-01 | 2014-02-19 | 四川崇泰石油机械有限公司 | Anti-sand valve |
| CN203670846U (en) * | 2014-01-16 | 2014-06-25 | 西安东新石油设备厂有限公司 | Flat gate valve with under-pressure replace valve rod and balance rod |
| CN203979454U (en) * | 2014-07-02 | 2014-12-03 | 普胜特能源（广汉）服务有限公司 | Be applicable to the gate valve of high temperature, high pressure, high sand content, high-corrosion medium |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141008 |