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CN206816887U - A kind of HTHP difference tandem balanced type regulating valve - Google Patents

A kind of HTHP difference tandem balanced type regulating valve Download PDF

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Publication number
CN206816887U
CN206816887U CN201720666893.2U CN201720666893U CN206816887U CN 206816887 U CN206816887 U CN 206816887U CN 201720666893 U CN201720666893 U CN 201720666893U CN 206816887 U CN206816887 U CN 206816887U
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CN
China
Prior art keywords
valve
core housing
bonnet
guide pin
hthp
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Active
Application number
CN201720666893.2U
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Chinese (zh)
Inventor
王振良
杨仕勇
李锴
张奇
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.)
Xi'an Xifulong Valve Group Co ltd
Xifulong Valve Group Co Ltd
Original Assignee
XI'AN SAFOL VALVE Corp
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Priority to CN201720666893.2U priority Critical patent/CN206816887U/en
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Abstract

The utility model discloses a kind of HTHP difference tandem balanced type regulating valve, including valve body (1), valve core housing (3), valve element (4), guide pin bushing (5), bonnet (8) and valve rod (9);Lumen and the runner hole connected with lumen are offered on valve body (1), valve element (4) is installed in the lumen of valve body, through hole is offered among valve element, valve core housing (3) is installed on the outside of valve element (4), formed with circulation passage between valve core housing (3) and valve body (1) lumen, guide pin bushing (5) is installed on valve core housing, the lumen of guaranteed valve body and the dowel hole of runner hole connection are opened up on guide pin bushing, valve element (4) upper end is connected with valve rod (9), bonnet (8) is installed on the outside of valve rod, bonnet (8) is arranged on valve body (1), valve core housing (3) is pressed in valve body middle chamber by guide pin bushing (5) and bonnet (8).The regulating valve solve thes problems, such as that high-temp. high-pressure differential opening force is big in the prior art, the easy erosion of sealing surface.

Description

A kind of HTHP difference tandem balanced type regulating valve
Technical field
It the utility model is related to a kind of balanced type regulating valve, more particularly to a kind of regulation of HTHP difference tandem balanced type Valve.
Background technology
The high-differential-pressure regulating valve used at present is typically by valve body, valve element, valve core housing, guide pin bushing, valve rod, bonnet, support, execution Mechanism, seal and installed part composition;Valve rod lower end is connected with valve element, and valve element, valve core housing integrally pass through surface carburization, valve core housing It is pressed on by guide pin bushing and bonnet in valve body middle chamber, valve body is connected by screw bolts with bonnet;Valve rod lower end uses screw thread with valve element Add cylinder pin connection, valve element, valve core housing use linear sealing structure, using high pressure gold between valve core housing and valve body, guide pin bushing and bonnet Belong to spirotallic gasket sealing;The perforate on valve core housing, ensure that valve body middle chamber connects with runner hole, valve element uses Cascade structure, leads to The fluid crossed in valve is constantly changed by step pressure reducing, flow direction, and flow velocity is controlled, and prevents cavitation from destroying, so as to realize regulation pressure Power and flow.Its shortcoming is:Valve is high in and low out, and heavy caliber opening force is big;Valve element, valve core housing sealing surface nitriding, sealing surface Easily abrasion is washed away, and valve service life is short.
Utility model content
The utility model is in order to solve the above-mentioned technical problem, there is provided a kind of HTHP difference tandem balanced type regulating valve, Solve the problems, such as that high-temp. high-pressure differential opening force is big in the prior art, the easy erosion of sealing surface.
The utility model is to be achieved through the following technical solutions:
A kind of HTHP difference tandem balanced type regulating valve, including valve body, valve core housing, valve element, guide pin bushing, bonnet and valve rod; The runner hole that lumen is offered on described valve body and is connected with lumen, valve element is installed in the lumen of valve body, opened among valve element Valve core housing is installed provided with through hole, on the outside of valve element, formed with circulation passage between valve core housing and valve body middle chamber, installed on valve core housing There is guide pin bushing, the lumen of guaranteed valve body and the dowel hole of runner hole connection are opened up on guide pin bushing, valve element upper end is connected with valve rod, valve rod Outside is provided with bonnet, and bonnet is arranged on valve body, and valve core housing is pressed in valve body middle chamber by guide pin bushing and bonnet.
Sealed between described valve body, guide pin bushing and bonnet using high-pressure metal spirotallic gasket.
Sealed between described valve body and valve core housing using high-pressure metal spirotallic gasket.
Described valve element and valve core housing use linear sealing sealing structure.
Described valve rod is arranged on bonnet by Packing seat, filler, filler pressing sleeve and hold-down grid.
There are two sealing surfaces on described valve element, the sealing surface of two sealing surfaces of valve element respectively with valve core housing and guide pin bushing connects Touch.
Described valve element and the sealing surface weld deposit hard alloy of valve core housing.
Described valve element uses Cascade structure.
Compared with prior art, the utility model has technique effect beneficial below:
HTHP difference tandem balanced type regulating valve provided by the utility model, valve element centre holes drilled through, low in and high out, valve Door be balanced structure, and during closing, two sealing surfaces of valve element contact with the sealing surface of valve core housing and guide pin bushing respectively, close tightly, No leakage;During unlatching, due to valve element upstream and downstream pressure balance, reduce opening force.Valve element, valve core housing sealing surface weld deposit hard close Gold, the wear-resisting antiscour of sealing surface, service life length.The perforate on guide pin bushing, ensure that valve body middle chamber connects with runner hole, valve element uses Cascade structure, constantly being changed by step pressure reducing, flow direction by the fluid in valve, flow velocity is controlled, and prevents cavitation from destroying, from And realize regulation pressure and flow.
The HTHP difference tandem balanced type regulating valve, efficiently solves that high-temp. high-pressure differential opening force is big, sealing The problem of face easy erosion.
Brief description of the drawings
Fig. 1 is the High Pressure Difference Desuperheating water regulating valve structural representation provided in the prior art;
Fig. 2 is the structural representation of HTHP difference tandem balanced type regulating valve provided by the utility model.
Wherein, 1, valve body;2nd, high-pressure metal spirotallic gasket;3rd, valve core housing;4th, valve element;5th, guide pin bushing;6th, straight pin;7th, high pressure SW with outside ring;8th, bonnet;9th, valve rod;10th, Packing seat;11st, filler;12nd, filler pressing sleeve;13rd, hold-down grid.
Embodiment
The utility model is described in further detail with reference to specific embodiment, described is to the utility model Explanation rather than restriction.
Referring to Fig. 2, a kind of HTHP difference tandem balanced type regulating valve, including valve body 1, valve core housing 3, valve element 4, guide pin bushing 5, Bonnet 8 and valve rod 9;Lumen and the runner hole connected with lumen are offered on described valve body 1, is provided with the lumen of valve body 1 Valve element 4, through hole is offered among valve element 4, the outside of valve element 4 is provided with valve core housing 3, between valve core housing 3 and the lumen of valve body 1 formed with Circulation passage, guide pin bushing 5 is installed on valve core housing 3, the lumen of guaranteed valve body and the guide pin bushing of runner hole connection are opened up on guide pin bushing 5 Hole, the upper end of valve element 4 are connected with valve rod 9, and the outside of valve rod 9 is provided with bonnet 8, and bonnet 8 is arranged on valve body 1, and valve core housing 3 is by leading Set 5 and bonnet 8 are pressed in the lumen of valve body 1, and high-pressure metal spirotallic gasket 7 is used between described valve body 1, guide pin bushing 5 and bonnet 8 Sealing, is sealed between described valve body 1 and valve core housing 3 using high-pressure metal spirotallic gasket 2.Wherein, described valve rod 9 is by filling out Backing strap 10, filler 11, filler pressing sleeve 12 and hold-down grid 13 are arranged on bonnet 8.
It should be noted that described valve element 4 and valve core housing 3 use linear sealing sealing structure.
Specifically, there is two sealing surfaces on described valve element 4, two sealing surfaces of valve element 4 respectively with valve core housing 3 and guide pin bushing 5 sealing surface contact.Described valve element 4 and the sealing surface weld deposit hard alloy of valve core housing 3.
Further, described valve element 4 uses Cascade structure, and the surface of valve element 4 is provided with some breach.
The specific implementation steps of the utility model are:HTHP difference tandem balanced type regulating valve be by by valve body, valve element, Valve core housing, guide pin bushing, valve rod, bonnet, support, executing agency, seal and installed part etc. form.Valve rod lower end is connected with valve element, Valve core housing is pressed in valve body middle chamber by guide pin bushing and bonnet, and valve body is connected by screw bolts with bonnet;Valve element, valve core housing use line Sealing structure, dowel hole is offered on guide pin bushing, ensure that the lumen of valve body connects with runner hole.Holes drilled through among valve element, and valve There are two sealing surfaces, low in and high out on core, valve is balanced structure, and during closing, two sealing surfaces of valve element are respectively and valve core housing And the sealing surface contact of guide pin bushing, close tight, No leakage;During unlatching, due to valve element upstream and downstream pressure balance, reduce high temperature height Pressure-difference valve opening force.Valve element, valve core housing sealing surface weld deposit hard alloy, the wear-resisting antiscour of sealing surface, service life length.Valve Core uses Cascade structure, is constantly changed by step pressure reducing, flow direction by the fluid in valve, flow velocity is controlled, and prevents cavitation Destroy, so as to realize regulation pressure and flow.
, also will not be stuck containing solid particle, valve elements such as welding slags in fluid meanwhile valve element uses Cascade structure, action Flexibly;Valve element, valve core housing use linear sealing structure, and seal pressure is big, close tight, No leakage;Throttleng surface separates with sealing surface, Valve fluid leading opposing seal at throttlings at different levels, effectively reduces fluid and sealing surface is washed away in small guide vane, the life-span It is long;Control characteristic is equal percentage, and flow control is accurate, and adjusting range is big.
HTHP difference tandem balanced type regulating valve provided by the utility model, valve element centre holes drilled through, low in and high out, valve Door be balanced structure, and during closing, two sealing surfaces of valve element contact with the sealing surface of valve core housing and guide pin bushing respectively, close tightly, No leakage;During unlatching, due to valve element upstream and downstream pressure balance, reduce opening force.Valve element, valve core housing sealing surface weld deposit hard close Gold, the wear-resisting antiscour of sealing surface, service life length.The perforate on guide pin bushing, ensure that valve body middle chamber connects with runner hole, valve element uses Cascade structure, constantly being changed by step pressure reducing, flow direction by the fluid in valve, flow velocity is controlled, and prevents cavitation from destroying, from And realize regulation pressure and flow.
The HTHP difference tandem balanced type regulating valve, efficiently solves that high-temp. high-pressure differential opening force is big, sealing The problem of face easy erosion.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model Claimed scope is by appended claims and its equivalent thereof.

Claims (8)

1. a kind of HTHP difference tandem balanced type regulating valve, it is characterised in that including valve body (1), valve core housing (3), valve element (4), guide pin bushing (5), bonnet (8) and valve rod (9);The runner hole for offering lumen on described valve body (1) and being connected with lumen, valve Valve element (4) is installed in the lumen of body (1), through hole is offered among valve element (4), valve core housing (3) is installed on the outside of valve element (4), Formed with circulation passage between valve core housing (3) and valve body (1) lumen, guide pin bushing (5) is installed on valve core housing (3), guide pin bushing is opened on (5) Dowel hole provided with the lumen for ensureing valve body and the connection of runner hole, valve element (4) upper end are connected with valve rod (9), pacified on the outside of valve rod (9) Equipped with bonnet (8), bonnet (8) is arranged on valve body (1), and valve core housing (3) is pressed on valve body (1) by guide pin bushing (5) and bonnet (8) In lumen.
2. HTHP difference tandem balanced type regulating valve according to claim 1, it is characterised in that described valve body (1), Sealed between guide pin bushing (5) and bonnet (8) using high-pressure metal spirotallic gasket (7).
3. HTHP difference tandem balanced type regulating valve according to claim 1, it is characterised in that described valve body (1) Sealed between valve core housing (3) using high-pressure metal spirotallic gasket (2).
4. HTHP difference tandem balanced type regulating valve according to claim 1, it is characterised in that described valve element (4) Linear sealing sealing structure is used with valve core housing (3).
5. HTHP difference tandem balanced type regulating valve according to claim 1, it is characterised in that described valve rod (9) It is arranged on by Packing seat (10), filler (11), filler pressing sleeve (12) and hold-down grid (13) on bonnet (8).
6. HTHP difference tandem balanced type regulating valve according to claim 1, it is characterised in that described valve element (4) On have two sealing surfaces, the sealing surface of two sealing surfaces of valve element (4) respectively with valve core housing (3) and guide pin bushing (5) contacts.
7. HTHP difference tandem balanced type regulating valve according to claim 1, it is characterised in that described valve element (4) With the sealing surface weld deposit hard alloy of valve core housing (3).
8. HTHP difference tandem balanced type regulating valve according to claim 1, it is characterised in that described valve element (4) Using Cascade structure.
CN201720666893.2U 2017-06-09 2017-06-09 A kind of HTHP difference tandem balanced type regulating valve Active CN206816887U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720666893.2U CN206816887U (en) 2017-06-09 2017-06-09 A kind of HTHP difference tandem balanced type regulating valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720666893.2U CN206816887U (en) 2017-06-09 2017-06-09 A kind of HTHP difference tandem balanced type regulating valve

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108730591A (en) * 2018-07-11 2018-11-02 济南大学 A kind of wear-resisting Corniform regulating valve of balanced high pressure
CN108825867A (en) * 2018-09-10 2018-11-16 四川滨大阀门有限责任公司 A kind of High Pressure Difference sleeve adjusting valve
CN109404606A (en) * 2018-12-29 2019-03-01 吴忠仪表有限责任公司 Pressure balance type high-precision high voltage difference control valve
CN109505988A (en) * 2018-12-07 2019-03-22 华润电力(贺州)有限公司 A kind of high-pressure multi-stage pressure reducing valve
CN110886850A (en) * 2019-12-25 2020-03-17 青岛电站阀门有限公司 Multistage high-pressure-difference plunger cavity hedging type water supply regulating valve
CN111720094A (en) * 2020-07-02 2020-09-29 中国石油天然气股份有限公司 A gas-gathering gas well remote switching valve core, equipment and using method thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108730591A (en) * 2018-07-11 2018-11-02 济南大学 A kind of wear-resisting Corniform regulating valve of balanced high pressure
CN108730591B (en) * 2018-07-11 2023-05-26 济南大学 Balanced high-pressure wear-resistant angular regulating valve
CN108825867A (en) * 2018-09-10 2018-11-16 四川滨大阀门有限责任公司 A kind of High Pressure Difference sleeve adjusting valve
CN109505988A (en) * 2018-12-07 2019-03-22 华润电力(贺州)有限公司 A kind of high-pressure multi-stage pressure reducing valve
CN109404606A (en) * 2018-12-29 2019-03-01 吴忠仪表有限责任公司 Pressure balance type high-precision high voltage difference control valve
CN110886850A (en) * 2019-12-25 2020-03-17 青岛电站阀门有限公司 Multistage high-pressure-difference plunger cavity hedging type water supply regulating valve
CN110886850B (en) * 2019-12-25 2024-09-06 青岛电站阀门有限公司 Multistage high pressure differential plunger cavity opposite flushing type water supply regulating valve
CN111720094A (en) * 2020-07-02 2020-09-29 中国石油天然气股份有限公司 A gas-gathering gas well remote switching valve core, equipment and using method thereof

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GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: No.888, 8 Weiyang Road, Gaoling District, Xi'an City, Shaanxi Province

Patentee after: Chevron Valve Group Co.,Ltd.

Address before: No.888, 8 Weiyang Road, Gaoling District, Xi'an City, Shaanxi Province

Patentee before: Xi'an xifulong Valve Group Co.,Ltd.

CP01 Change in the name or title of a patent holder
CP03 Change of name, title or address

Address after: No.888, 8 Weiyang Road, Gaoling District, Xi'an City, Shaanxi Province

Patentee after: Xi'an xifulong Valve Group Co.,Ltd.

Address before: 710000 Jingyuan 9th Road, Jinghe Industrial Park, Gaoling County, Xi'an City, Shaanxi Province

Patentee before: XI'AN SAFOL VALVE Corp.

CP03 Change of name, title or address