CN105485359A - Combined control valve - Google Patents

Combined control valve Download PDF

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Publication number
CN105485359A
CN105485359A CN201610083892.5A CN201610083892A CN105485359A CN 105485359 A CN105485359 A CN 105485359A CN 201610083892 A CN201610083892 A CN 201610083892A CN 105485359 A CN105485359 A CN 105485359A
Authority
CN
China
Prior art keywords
valve
spool
described valve
core case
pocket
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.)
Granted
Application number
CN201610083892.5A
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Chinese (zh)
Other versions
CN105485359B (en
Inventor
刘宜贵
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.)
Beijing Aosaiqi Petroleum Technology Development Co Ltd
Original Assignee
Beijing Aosaiqi Petroleum Technology Development Co Ltd
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 Beijing Aosaiqi Petroleum Technology Development Co Ltd filed Critical Beijing Aosaiqi Petroleum Technology Development Co Ltd
Priority to CN201610083892.5A priority Critical patent/CN105485359B/en
Publication of CN105485359A publication Critical patent/CN105485359A/en
Priority to PCT/CN2017/071199 priority patent/WO2017133428A1/en
Application granted granted Critical
Publication of CN105485359B publication Critical patent/CN105485359B/en
Active legal-status Critical Current
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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
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/36Valve 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
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • 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
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/36Valve members
    • F16K1/38Valve members of conical shape
    • 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
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/44Details of seats or valve members of double-seat valves

Abstract

The invention relates to the field of oil and gas field production, coal bed gas production, and conveying and control of liquid, gas, phase-mixed liquid or other fluid, and discloses a combined control valve. The combined control valve comprises a valve body, a valve element, a valve element seat, a valve sleeve, a valve sleeve seat and a valve element connecting sleeve. The valve element seat is installed in a valve element seat hole of the valve body. The valve element and the valve element seat form a first sealing pair assembly serving as a main valve. The valve sleeve seat is arranged on the upper end face of the valve element seat. The valve sleeve is installed on the side face of the valve element. The valve sleeve slides relative to the side face of the valve element. The valve sleeve and the valve sleeve seat form a second sealing pair assembly serving as an auxiliary valve. The valve element connecting sleeve drives the valve element and the valve sleeve to reciprocate. By means of the combined control valve, it can be ensured that the valve is closed and sealed or the influence of scouring on valve closing and sealing is reduced, and cost, energy consumption and construction workloads are reduced.

Description

Compound control valve
Technical field
The present invention relates to the conveying of the fluid such as oil gas field, coal-bed gas exploitation, liquid, gas or multi-phase flow, control field, particularly relate to and a kind ofly can ensure that valve closing sealing maybe can reduce to wash away the compound control valve of valve cutting out to sealing impact.
Background technique
At present at fluid conveying, control fields such as oil gas field, coal-bed gas exploitation, liquid, gas or multi-phase flows, the control valves such as normally used all kinds of common needle-valve, stop valve control liquid or gas piping, these common needle-valves, stop valve adopt the sealing pair assembly that formed between spool and valve core case as the switch of valve usually, to realize connection and the closedown of pipeline.
But under high-pressure situations, due to multiple switching erosion or long-time unlatching work erosion, spool is easily washed, thus loses closedown sealing function.The important engineering of part, unaffected for ensureing construction quality, service valve must be increased and deal with process, add cost, energy consumption and construction workload.
Therefore, how to ensure valve closing sealing or reduce to wash away the impact of valve cutting out to sealing, becoming the technical barrier that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
The object of the invention is to provide a kind of compound control valve, this compound control valve can ensure valve closing sealing or reduce to wash away the impact of valve cutting out to sealing, to reduce costs, energy consumption and construction workload.
To achieve these goals, the invention provides a kind of compound control valve, comprise valve body, spool, valve core case, valve pocket, valve housing, valve spool cover, described valve core case is arranged in the valve core case bore of described valve body, and described spool and described valve core case form the first sealing pair assembly as main valve; The upper end of described valve core case is provided with valve housing, the side of described spool is provided with valve pocket, and the side of valve pocket and described spool can relative sliding, described valve pocket and described valve housing form the second sealing pair assembly as secondary valve, and described valve spool cover drives described spool and valve pocket to-and-fro motion.
Preferably, the upper end of described spool is provided with convex platform, and has prepsetting gap between the lower body upper-end surface of the lower end surface of this convex platform and described spool; The upper end of described valve pocket is provided with radial inner convex platform; The lower end of described valve spool cover is arranged in the prepsetting gap of described spool, and with the radial inner convex platform clamping of described valve pocket.
Preferably, the first sealing pair assembly that described spool and described valve core case are formed is sphere or conical surface seal subcomponent.
Preferably, described valve pocket and described valve housing form the second sealing pair assembly is sphere or conical surface seal subcomponent.
Preferably, described valve housing and described valve core case are integrated part or split part; If split part, between described valve housing and described valve core case, there is valve housing Sealing.
Preferably, seal spool part is adopted to seal between described valve pocket and described spool.
Preferably, described valve body is straight-through type valve body, right-angle type valve body or Y-shaped valve body.
Preferably, described valve core case and described valve housing are fixed in the bore of described valve body by valve seat fixed cover.
Preferably, described valve spool cover is many lobe composition cylindrical sleeve, and cylindrical sleeve lower end external cylindrical surface has adjacent lands to form draw-in groove, and cylindrical sleeve lower end inner cylindrical surface is provided with inner card cage.
The working procedure of this compound control valve is as follows: opening process, barrier film control unit upwards transferring power, drives valve spool to put and moves, and valve pocket moves, valve pocket is separated with valve housing, and secondary valve is opened simultaneously; Move predeterminable range on valve spool cover continues, drive on valve pocket, spool and move, main valve open, move a certain amount of distance on valve spool cover continues, main valve open, to maximum opening, completes compound control valve and opens; Closing process, barrier film control unit going down power, drives valve spool cover, valve pocket, spool to move down, spool moves to valve core case, and under throttling or Action of Gravity Field, main valve is closed, and valve spool cover, valve pocket move down further, valve pocket moves to valve housing, and secondary valve cuts out, and completes compound control valve and closes.
Spool and valve core case form the first sealing pair assembly as main valve, and valve pocket and valve housing form the second sealing pair assembly as secondary valve, and the control of size opened by main valve primary responsibility valve, and secondary valve primary responsibility combination valve cuts out sealing.Thus valve closing sealing can be ensured or reduce to wash away the impact of valve cutting out to sealing, and then reduce costs, energy consumption and construction workload.
Accompanying drawing explanation
Comprise in the description and form the accompanying drawing of a part for specification and specification shows exemplary, characteristic sum aspect of the present invention, and for explaining principle of the present invention.
Fig. 1 is in the structural representation of closed state for compound control valve that an embodiment of the present invention provides;
Fig. 2 is the structural representation that the secondary valve of compound control valve in Fig. 1 is in opening state;
In Fig. 3 bitmap 1, the main valve of compound control valve is in the structural representation of opening state;
Wherein, in Fig. 1-Fig. 3:
Valve body 1, valve core case 2, valve housing Sealing 3, valve housing 4, spool 5, seal spool part 6, valve pocket 7, valve seat fixed cover 8, valve spool cover 9, barrier film control unit 10.
Embodiment
Various exemplary embodiment of the present invention, characteristic sum aspect is described in detail below with reference to accompanying drawing.The element that reference character presentation function identical in accompanying drawing is identical or similar.Although the various aspects of embodiment shown in the drawings, unless otherwise indicated, accompanying drawing need not be drawn in proportion.
Word " exemplary " special here means " as example, embodiment illustrated in other words ".Here need not be interpreted as being better than or being better than other embodiments as any embodiment illustrated by " exemplary ".
In addition, in order to better the present invention is described, in embodiment hereafter, give numerous details.It will be appreciated by those skilled in the art that do not have some detail, the present invention can implement equally.In some instances, the method known for those skilled in the art, means, element and circuit are not described in detail, so that highlight purport of the present invention.
It should be noted that compound control valve provided by the invention can be the control valves such as compound needle valve, composite stop valve; following content is introduced inventive concept of the present invention for compound needle-valve; be understandable that; protection scope of the present invention is not limited to the compound control valve as compound needle-valve class; all under the enlightenment of inventive concept of the present invention, done structural improvement all should in protection scope of the present invention.
Please refer to Fig. 1-Fig. 3, Fig. 1 is in the structural representation of closed state for compound control valve that an embodiment of the present invention provides; Fig. 2 is the structural representation that the secondary valve of compound control valve in Fig. 1 is in opening state; In Fig. 3 bitmap 1, the main valve of compound control valve is in the structural representation of opening state.
As shown in Figure 1, compound control valve provided by the invention can comprise barrier film control unit 10 and complex controll valve body assembly, and by barrier film control unit 10 transferring power, complex controll valve body assembly realizes the opening and closing of valve under the effect of described power.Described complex controll valve body assembly can comprise valve body 1, spool 5, valve core case 2, valve pocket 7, valve housing 4, valve spool cover 9, described valve core case 2 is arranged in the valve core case bore of described valve body 1, and described spool 5 forms the first sealing pair assembly as main valve with described valve core case 2; The upper end of described valve core case 2 is provided with valve housing 4, the side of described spool 5 is provided with valve pocket 7, and valve pocket 7 can the side relative sliding of relatively described spool 5, described valve pocket 7 forms the second sealing pair assembly as secondary valve with described valve housing 4, and described valve spool cover 9 drives described spool 5 and valve pocket 7 to-and-fro motion.
Please refer to Fig. 2 and Fig. 3, the working procedure of this compound control valve is as follows: opening process, barrier film control unit 10 upwards transferring power, and drive on valve spool cover 9 and move, valve pocket 7 moves, valve pocket 7 is separated with valve housing 4, and secondary valve is opened simultaneously; Move predeterminable range on valve spool cover 9 continues, drive on valve pocket 7, spool 5 and move, main valve open, move a certain amount of distance on valve spool cover 9 continues, main valve open, to maximum opening, completes compound control valve and opens; Closing process, barrier film control unit 10 going down power, valve spool cover 9, valve pocket 7, spool 5 is driven to move down, spool 5 moves to valve core case 2, under throttling or Action of Gravity Field, main valve is closed, and valve spool cover 9, valve pocket 7 move down further, and valve pocket 7 moves to valve housing 4, secondary valve cuts out, and completes compound control valve and closes.
Spool 5 and valve core case 2 form the first sealing pair assembly as main valve, and valve pocket 7 and valve housing 4 form the second sealing pair assembly as secondary valve, and the control of size opened by main valve primary responsibility valve, and secondary valve primary responsibility combination valve cuts out sealing.Thus valve closing sealing can be ensured or reduce to wash away the impact of valve cutting out to sealing, and then reduce costs, energy consumption and construction workload.
In concrete scheme, valve spool cover 9 can adopt following scheme with the annexation of spool 5 and valve pocket 7: the upper end of described spool 5 is provided with convex platform, and has prepsetting gap between the lower body upper-end surface of the lower end surface of this convex platform and described spool 5; The upper end of described valve pocket 7 is provided with radial inner convex platform; The lower end of described valve spool cover 9 is arranged in the prepsetting gap of described spool 5, and with the radial inner convex platform clamping of described valve pocket 7.
This structure can be implemented in opening process, and first open auxiliary valve opens main valve again, and in the process of closing, first close main valve and close secondary valve again, compact structure, what can prevent or reduce liquid or gas washes away the impact brought to valve seal.
In concrete scheme, described valve core case 2 is fixed in the bore of described valve body 1 by valve seat fixed cover 8 with described valve housing 4.
In preferred scheme, the first sealing pair assembly that described spool 5 and described valve core case 2 are formed can be sphere or conical surface seal subcomponent, as shown in Figure 1, forms conical surface seal pair between spool 5 and valve core case 2, mainly realizes valve auxiliary seal and open size controlling.
In preferred scheme, it can be sphere or conical surface seal subcomponent that described valve pocket 7 and described valve housing 4 form the second sealing pair assembly, as shown in Figure 1, ball face sealing pair is formed between valve pocket 7 and described valve housing 4, can ensure valve pocket 7 and described valve housing 4 in the course of the work or switch time, being washed away affects less, has better sealing effect.
In concrete scheme, described valve body 1 is straight-through type valve body, right-angle type valve body, Y-shaped valve body or other forms of valve body, and the concrete structure of the present invention to valve body does not limit, and all valve bodies with said structure all should in protection scope of the present invention.
In preferred scheme, described valve housing 4 is integrated part or split part with described valve core case 2, if valve housing 4 and described valve core case 2 are for being provided with valve housing Sealing during split.As shown in Figure 1, between the valve housing 4 of described split and described valve core case 2, be provided with valve housing 4 Sealing 3, to play better processing and to ensure sealing effect.
In preferred scheme, described valve spool cover is many lobe composition cylindrical sleeve, and cylindrical sleeve lower end external cylindrical surface has adjacent lands to form draw-in groove, and cylindrical sleeve lower end inner cylindrical surface is provided with inner card cage.
In preferred scheme, between described valve pocket 7 and described spool 5, adopt seal spool part 6 to seal, when sliding to make the relative spool 5 of valve pocket 7, sealing can be realized therebetween, prevent owing to having gap therebetween and produce leakage.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (9)

1. a compound control valve, comprise valve body, spool, valve core case, valve pocket, valve housing, valve spool cover, described valve core case is arranged in the valve core case bore of described valve body, it is characterized in that, described spool and described valve core case form the first sealing pair assembly as main valve; The upper end of described valve core case is provided with valve housing, the side of described spool is provided with valve pocket, and the side relative sliding of valve pocket and described spool, described valve pocket and described valve housing form the second sealing pair assembly as secondary valve, and described valve spool cover drives described spool and valve pocket to-and-fro motion.
2. compound control valve according to claim 1, is characterized in that, the upper end of described spool is provided with convex platform, and has prepsetting gap between the lower body upper-end surface of the lower end surface of this convex platform and described spool; The upper end of described valve pocket is provided with radial inner convex platform; The lower end of described valve spool cover is arranged in the prepsetting gap of described spool, and with the radial inner convex platform clamping of described valve pocket.
3. compound control valve according to claim 1 and 2, is characterized in that, the first sealing pair assembly that described spool and described valve core case are formed is sphere or conical surface seal subcomponent.
4. compound control valve according to claim 1 and 2, is characterized in that, it is sphere or conical surface seal subcomponent that described valve pocket and described valve housing form the second sealing pair assembly.
5. compound control valve according to claim 1, is characterized in that, described valve housing and described valve core case are integrated part or split part, if split part, has valve housing Sealing between described valve housing and described valve core case.
6. compound control valve according to claim 1, is characterized in that, adopts seal spool part to seal between described valve pocket and described spool.
7. compound control valve according to claim 1, is characterized in that, described valve body is straight-through type valve body, right-angle type valve body or Y-shaped valve body.
8. compound control valve according to claim 1, is characterized in that, described valve core case and described valve housing are fixed in the bore of described valve body by valve seat fixed cover.
9. compound control valve according to claim 1, is characterized in that, described valve spool cover is many lobe composition cylindrical sleeve, and cylindrical sleeve lower end external cylindrical surface has adjacent lands to form draw-in groove, and cylindrical sleeve lower end inner cylindrical surface is provided with inner card cage.
CN201610083892.5A 2016-02-05 2016-02-05 Compound control valve Active CN105485359B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610083892.5A CN105485359B (en) 2016-02-05 2016-02-05 Compound control valve
PCT/CN2017/071199 WO2017133428A1 (en) 2016-02-05 2017-01-15 Combined control valve

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Application Number Priority Date Filing Date Title
CN201610083892.5A CN105485359B (en) 2016-02-05 2016-02-05 Compound control valve

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CN105485359A true CN105485359A (en) 2016-04-13
CN105485359B CN105485359B (en) 2017-09-29

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WO (1) WO2017133428A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017133428A1 (en) * 2016-02-05 2017-08-10 北京奥赛旗石油科技开发有限公司 Combined control valve
CN107237892A (en) * 2017-04-25 2017-10-10 甘肃天恩重工科技有限公司 A kind of improved high-voltage needle-valve and its quick change method
CN108266538A (en) * 2018-02-14 2018-07-10 珠海宝银智能科技有限公司 A kind of liquefied gas bottle Composite Double is from shutoff valve and Internet of Things network control system

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CN114776878B (en) * 2022-04-27 2023-09-22 开维喜阀门集团有限公司 Stainless steel multifunctional front valve

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CN205401759U (en) * 2016-02-05 2016-07-27 北京奥赛旗石油科技开发有限公司 Compound control valve

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CN105485359B (en) * 2016-02-05 2017-09-29 北京奥赛旗石油科技开发有限公司 Compound control valve

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CN201373125Y (en) * 2009-03-04 2009-12-30 浙江春晖智能控制股份有限公司 Valve port sealing structure of flow control valve
CN203847729U (en) * 2014-05-19 2014-09-24 陕西航天泵阀科技集团有限公司 Intelligent opening and closing adjusting valve for well mouth
CN204004456U (en) * 2014-08-18 2014-12-10 浙江精杰实业有限公司 A kind of novel high-pressure differential regulating valve
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017133428A1 (en) * 2016-02-05 2017-08-10 北京奥赛旗石油科技开发有限公司 Combined control valve
CN107237892A (en) * 2017-04-25 2017-10-10 甘肃天恩重工科技有限公司 A kind of improved high-voltage needle-valve and its quick change method
CN107237892B (en) * 2017-04-25 2023-09-19 甘肃天恩重工科技有限公司 Improved high-pressure needle valve and quick replacement method thereof
CN108266538A (en) * 2018-02-14 2018-07-10 珠海宝银智能科技有限公司 A kind of liquefied gas bottle Composite Double is from shutoff valve and Internet of Things network control system
CN108266538B (en) * 2018-02-14 2024-02-09 珠海宝银智能科技有限公司 Composite double-self-stop valve of liquefied gas cylinder and control system of Internet of things

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Publication number Publication date
WO2017133428A1 (en) 2017-08-10
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