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 PDF

Info

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 seat
lining
seal ring
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
Application number
CN201410311317.7A
Other languages
Chinese (zh)
Inventor
高世德
陈传永
汤齐龙
涂磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pushengte Energy Services Ltd (guanghan)
Original Assignee
Pushengte Energy Services Ltd (guanghan)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pushengte Energy Services Ltd (guanghan) filed Critical Pushengte Energy Services Ltd (guanghan)
Priority to CN201410311317.7A priority Critical patent/CN104089036A/en
Publication of CN104089036A publication Critical patent/CN104089036A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/04Construction of housing; Use of materials therefor of sliding valves
    • F16K27/044Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02Gate 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02Gate 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
    • F16K3/0227Packings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30Details

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

Be applicable to the gate valve of high temperature, high pressure, high sand content, high-corrosion medium
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).
CN201410311317.7A 2014-07-02 2014-07-02 Gate valve applicable to high temperature, high pressure, high sand contents and highly-corrosive mediums Pending CN104089036A (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (9)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
MX2014001697A (en) Downhole tool having slip inserts composed of different materials.
CN203979454U (en) Be applicable to the gate valve of high temperature, high pressure, high sand content, high-corrosion medium
CN104089036A (en) Gate valve applicable to high temperature, high pressure, high sand contents and highly-corrosive mediums
CN203823116U (en) Ceramic ball valve with high corrosion resistance and erosive wear resistance
CN204140916U (en) Sandwich valve
CN105065701A (en) Hard sealing lifting type brake plug valve and control method thereof
CN203404064U (en) Valve body and valve seat for fracturing pump
CN102155553A (en) High-temperature and high-pressure resistant metallic sealing ball valve
CN201866311U (en) Ceramic hard sealing double-eccentric dome valve
CN204493804U (en) Ceramic seal Vertical Lift Check Valves
CN105318013A (en) Flanged joint adjustable plunger stop valve
CN204493784U (en) A kind of valve seat soft sealing structure
CN204691730U (en) Recoverable safety valve sent into by a kind of oil pipe
CN204153193U (en) Parallel flange formula double-flashboard gate valve
CN202674359U (en) Lifting stopcock
CN105840848A (en) Corrosion-resistant quick-closing valve
CN204253903U (en) A kind of gate valve for buried pipeline
CN105465390A (en) Sandwich valve
CN103968101A (en) Ceramic ball valve high in corrosion resistance and erosive abrasion resistance
CN203940019U (en) Oxygen special gate valve
CN201866281U (en) Ceramic hard seal three-eccentric valve
CN204153215U (en) A kind of hard seal eccentric ball valve with floating valve seat
RU150396U1 (en) Check valve
CN204961882U (en) Plate valve suitable for crude oil pipeline
CN204083330U (en) High-pressure ball valve

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20141008

C12 Rejection of a patent application after its publication