CN103411007A - Independent pilot-operated type flow control valve - Google Patents
Independent pilot-operated type flow control valve Download PDFInfo
- Publication number
- CN103411007A CN103411007A CN2013103578451A CN201310357845A CN103411007A CN 103411007 A CN103411007 A CN 103411007A CN 2013103578451 A CN2013103578451 A CN 2013103578451A CN 201310357845 A CN201310357845 A CN 201310357845A CN 103411007 A CN103411007 A CN 103411007A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- integrated package
- flow control
- spring
- 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
Links
Images
Landscapes
- Safety Valves (AREA)
Abstract
The invention discloses an independent pilot-operated type flow control valve, comprising a main valve. An actuator part is arranged on the main valve and consists of a hydraulic control element manifold block and a pilot-operated type overflow valve, wherein the hydraulic control element manifold block is fixed on an upper valve cover of the main valve, the pilot-operated type overflow valve is fixed on the hydraulic control element manifold block which is connected with an inlet front pipeline of the valve through a medium collecting inlet pipe fitting assembly, and the pilot-operated type overflow valve is connected with an outlet rear pipeline of the valve through an outlet pipe connector assembly. The hydraulic actuating element of the control valve is composed of the manifold block and the independent pilot-operated type overflow valve which are in linkage with each other, and the action execution and the adjustment control are stable and agile. A piston type valve core resists high pressure and has a good sealing property and a long service life. The independent pilot-operated type flow control valve can be automatically closed in a low pressure state, has a check function when applied to an oil extraction system, has a fireproofing and obstruction functions when applied to an oil transmission system of an oil depot, and effectively overcomes the defects in the prior art.
Description
Technical field
The present invention relates to a kind of flow control valve, relate in particular to a kind of leading type flow control valve of relying on oneself.
Background technique
In the manufacturing process of the operating modes such as modern petroleum recovering wellblock and petrochemical industry oil depot fuel transfer system was controlled automatically, flow control valve played a very important role.For example: pressurize to underground flooding in the petroleum recovering wellblock, makes the oil oil recovery point of being forced, and the pipe-line system safety protection while needing the non-return of low pressure often to close with high pressure is closed automatically; For another example: in the fuel transfer system of petrochemical industry oil depot, automatically closing while needing low pressure intercepts the series connection of unexpected fire, and the pipe-line system safety protection during high pressure closes automatically, and the stationary value that guarantees delivery pressure.Especially the leading type flow control valve of relying on oneself, only need effective action that the change pressure kinetic energy of operational system self just can realize parameters of technique process to control with regulating.But its performance quality directly has influence on the safe and reliable and economic benefit of system.Yet in existing technology, the hydraulic control component of the leading type flow control valve of relying on oneself be by a plurality of single-piece pipes, connect modular, action control with regulate to control inaccurate coordination, replacing quality and the reducibility of single-piece can not guarantee, the debug process difficulty.Hydraulic element and pipe are connected on valve body surface layout complexity, and inconvenience is installed.Spool in main valve is to drive by film sheet, and film sheet pressure-bearing folding is limited around the life-span, withstand voltage not high, can only adapt to low pressure.And, not with automatically closing under low-pressure state, use and lack check function in oil production system, in the oil depot fuel transfer system, use and lack the fire damping function.Control valve is short working life, changes frequent.
Summary of the invention
The object of the invention is to provide a kind of leading type flow control valve of relying on oneself, it is that manifold type and the pilot operated compound relief valve interlock of relying on oneself form that this control valve is carried out hydraulic element, performs an action and regulates the stable agility of control, and piston valve core is high pressure resistant, good seal performance, long service life; And can automatically close under low-pressure state, in oil production system, use check function is arranged, in the oil depot fuel transfer system, use the fire damping function is arranged, effectively solved the shortcoming of former conventional art.
A kind of leading type flow control valve of relying on oneself, it comprises main valve, main valve is provided with the final controlling element part, described main valve comprises valve body, and the valve body top is provided with bonnet, and the valve body middle part is provided with spool, spool has seal valve seat, and spool and valve cover chamber are provided with the preload spiral compression spring; Described final controlling element partly comprises by hydraulic control component integrated package and pilot operated compound relief valve and forming, the hydraulic control component integrated package is fixed on the bonnet of main valve, pilot operated compound relief valve is fixed on the hydraulic control component integrated package, the hydraulic control component integrated package is gathered the import of import pipe fitting group and valve by medium before, segment pipe joins, pilot operated compound relief valve by the outlet of outer pipe fitting group and valve after segment pipe join.
Between above-mentioned valve body and seal valve seat, be provided with sealing gasket, valve body and spool cooperation place are provided with the O RunddichtringO, and bonnet and valve body cooperation place are provided with middle road seal ring.
Above-mentioned hydraulic control component integrated package comprises integrated package valve body, deflector and the copper filter core of crossing, the right-hand member head of integrated package valve body is threaded with joint nut, the unidirectional valve assembly that has been threaded above the integrated package valve body, check valve assembly is comprised of one-way valve overcoat, spring, steel ball, spring adjusting screw and nut; In integrated package valve body left end head body, be provided with two regulation valve cores, the left end head is provided with nut; In the integrated package valve body, many places are drilled with the medium fluid port hole.
Between the right-hand member head of above-mentioned integrated package valve body and joint nut, be provided with O-ring seals; Between regulation valve core and integrated package valve body, be provided with O-ring seals.
Described pilot operated compound relief valve comprises the relief valve valve body, relief valve valve body right-hand member head is threaded with spring spool, threaded bush, in spring spool, be provided with valve rod, in valve rod outer spring sleeve, be provided with spring, both ends of the spring is provided with check ring, and wherein in the relief valve valve body, many places are drilled with the medium fluid port hole.
The present invention has obtained following technique effect:
1, the present invention adopts the linkage structure of hydraulic control component integrated package and pilot operated compound relief valve due to the actuator assembly that relies on the action of working condition system self pressure control valve, being produced on the whole in the sets of elements such as regulating spool, one-way valve, pilot valve, volume is little, sound construction, long service life, outward appearance is clean and tidy;
2, the present invention is because the elements such as regulating spool, one-way valve, pilot valve are pressed working condition system technical parameter specific customization, and concentrate and arrange, coordination performance is good, the control action concerted reaction is quick reliable, can by the operating mode technical parameter, regulate and arrange to reach accurately: the multinomial technology controlling and process action that low pressure is closed, normal pressure is regulated, superpressure is closed;
3, the present invention is provided with powerful preload Compress Spring due to spool and valve cover chamber, and when system pressure was low pressure, spool can be immediately and valve seat tight closure, the block function while having reliable check function and unexpected fire to occur;
4, the present invention is because mangetic core assembly has adopted piston cylinder operator, and compressive strength is good, and high life has been avoided rolling over around flimsy shortcoming under the film sheet pressure in the conventional construction.
The accompanying drawing explanation
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is general assembly drawing of the present invention;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is control principle drawing of the present invention;
Fig. 4 is hydraulic control component integrated package plan view in Fig. 1;
Fig. 5 is the partial sectional view at E-E place in Fig. 4
Fig. 6 is the partial sectional view at F-F place in Fig. 4;
Fig. 7 is the dress figure of pilot operated compound relief valve section (partial cutaway) in Fig. 1.
Embodiment
Shown in accompanying drawing 1-3, a kind of leading type flow control valve purpose of relying on oneself is achieved through the following technical solutions: the leading type flow control valve of relying on oneself totally is comprised of main valve, pilot operated compound relief valve 11, control integration piece 12 3 parts.Be located at above main valve is the final controlling element part, by hydraulic control component integrated package and pilot operated compound relief valve, formed, the hydraulic control component integrated package is fixed on socket head screw 15 on the bonnet of main valve, and pilot operated compound relief valve is fixed on the hydraulic control component integrated package with socket head screw 16.The hydraulic control component integrated package is gathered the import of import pipe fitting group 14 and valve by medium before, segment pipe joins, pilot operated compound relief valve by the outlet of outer pipe fitting group 13 and valve after segment pipe join.
Shown in accompanying drawing 1-3, wherein main valve comprises valve body 5, is located at the seal valve seat 7 at valve body middle part, be provided with sealing gasket 8 therebetween, sealing place of valve seat is welded with cemented carbide, is provided with spool 6 in the middle of the guide way on valve body top, is provided with O RunddichtringO 4 therebetween, the valve core sealed cover place is welded with cemented carbide, being located at above valve body is bonnet 1, by bolt 10 nut 9 fastening pieces fixedly Bing Jiangzhong road seal ring 2 compress therebetween, spool and valve cover chamber are provided with preload spiral compression spring 3.
Shown in accompanying drawing 4-6, the hydraulic control component integrated package comprises that the right-hand member head of integrated package valve body 111 is threaded with joint nut 115, is provided with O-ring seals 114 therebetween, also is provided with deflector 113, the copper filter core 112 of crossing.The unidirectional valve assembly 116-1111 that has been threaded above the integrated package valve body, be provided with seal ring 119 therebetween, and check valve assembly is comprised of one-way valve overcoat 117, spring 1110, steel ball 1111, spring adjusting screw 118, nut 116.In integrated package valve body left end head body, be provided with two regulation valve cores 1114, be provided with O-ring seals 1113 therebetween, termination is provided with nut 1112.Wherein in the integrated package valve body, many places are drilled with the medium fluid port hole.
As shown in Figure 7, pilot operated compound relief valve comprises that relief valve valve body 123 right-hand member heads are threaded with spring spool 126, threaded bush 127, in it, is provided with valve rod 129, in it, is provided with spring 125 and has check ring 124 to be separated by.Wherein in the relief valve valve body, many places are drilled with medium fluid port hole 123-1.
The present invention is in the petroleum recovering wellblock to the underground high-voltage water filling, and the pipe-line system safety protection the when non-return of having realized low pressure is often closed with high pressure is closed automatically; In the fuel transfer system of petrochemical industry oil depot, automatically closing while having realized low pressure intercepts the series connection of unexpected fire, and the pipe-line system safety protection during high pressure closes automatically, and the stationary value that guarantees delivery pressure.Only need the change pressure kinetic energy of operational system self just can realize the effective action of parameters of technique process and regulate and control.Action control is good with adjusting control harmony precision, and debug process is easy.Withstand voltage height, high life.Outward appearance is clean and tidy.Easy for installation.
Claims (5)
1. leading type flow control valve of relying on oneself, it is characterized in that: it comprises main valve, main valve is provided with the final controlling element part, described main valve comprises valve body (5), the valve body top is provided with bonnet (1), the valve body middle part is provided with spool (6), and spool has seal valve seat (7), and spool and valve cover chamber are provided with preload spiral compression spring (3); Described final controlling element partly comprises by hydraulic control component integrated package (12) and pilot operated compound relief valve (11) and forming, the hydraulic control component integrated package is fixed on the bonnet of main valve, pilot operated compound relief valve is fixed on the hydraulic control component integrated package, the hydraulic control component integrated package is gathered the import of import pipe fitting group (14) and valve by medium before, segment pipe joins, pilot operated compound relief valve by the outlet of outer pipe fitting group (13) and valve after segment pipe join.
2. the leading type flow control valve of relying on oneself according to claim 1, it is characterized in that: between described valve body and seal valve seat, be provided with sealing gasket (8), valve body and spool cooperation place are provided with O RunddichtringO (4), and bonnet and valve body cooperation place are provided with middle road seal ring (2).
3. a kind of leading type flow control valve of relying on oneself according to claim 1, it is characterized in that: described hydraulic control component integrated package comprises integrated package valve body (111), deflector (113) and the copper filter core (112) of crossing, the right-hand member head of integrated package valve body is threaded with joint nut (115), the unidirectional valve assembly that has been threaded above the integrated package valve body, check valve assembly is comprised of one-way valve overcoat (117), spring (1110), steel ball (1111), spring adjusting screw (118) and nut (116); In integrated package valve body left end head body, be provided with two regulation valve cores (1114), the left end head is provided with nut (1112); In the integrated package valve body, many places are drilled with the medium fluid port hole.
4. the leading type flow control valve of relying on oneself according to claim 3, is characterized in that: between the right-hand member head of described integrated package valve body and joint nut, be provided with O-ring seals (114); Between regulation valve core and integrated package valve body, be provided with O-ring seals (1113).
5. according to the described leading type flow control valve of relying on oneself of claim 1 or 3, it is characterized in that: described pilot operated compound relief valve comprises relief valve valve body (123), relief valve valve body right-hand member head is threaded with spring spool (126), threaded bush (127), in spring spool, be provided with valve rod (129), in valve rod outer spring sleeve, be provided with spring (125), both ends of the spring is provided with check ring (124), and wherein in the relief valve valve body, many places are drilled with medium fluid port hole (123-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103578451A CN103411007A (en) | 2013-08-16 | 2013-08-16 | Independent pilot-operated type flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103578451A CN103411007A (en) | 2013-08-16 | 2013-08-16 | Independent pilot-operated type flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103411007A true CN103411007A (en) | 2013-11-27 |
Family
ID=49604038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103578451A Pending CN103411007A (en) | 2013-08-16 | 2013-08-16 | Independent pilot-operated type flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103411007A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090801A (en) * | 2021-05-12 | 2021-07-09 | 陈蕾蕾 | Valve capable of being automatically closed |
| CN113090800A (en) * | 2021-05-12 | 2021-07-09 | 陈蕾蕾 | Mechanical valve with automatic flow-off function |
| CN114060576A (en) * | 2022-01-13 | 2022-02-18 | 广东永泉阀门科技有限公司 | High-precision external discharge guide valve |
-
2013
- 2013-08-16 CN CN2013103578451A patent/CN103411007A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090801A (en) * | 2021-05-12 | 2021-07-09 | 陈蕾蕾 | Valve capable of being automatically closed |
| CN113090800A (en) * | 2021-05-12 | 2021-07-09 | 陈蕾蕾 | Mechanical valve with automatic flow-off function |
| CN113090800B (en) * | 2021-05-12 | 2022-05-31 | 浙江伟山机械有限公司 | Mechanical valve with automatic flow-off function |
| CN114060576A (en) * | 2022-01-13 | 2022-02-18 | 广东永泉阀门科技有限公司 | High-precision external discharge guide valve |
| CN114060576B (en) * | 2022-01-13 | 2022-05-06 | 广东永泉阀门科技有限公司 | High-precision external discharge guide valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103411007A (en) | Independent pilot-operated type flow control valve | |
| CN203297700U (en) | Pilot operated safety valve | |
| CN203413197U (en) | Self-reliance pilot-operated type flow control valve | |
| CN201627987U (en) | Cutoff one-way valve | |
| CN201412533Y (en) | High-pressure difference and fine adjustment control valve | |
| CN202901385U (en) | Stop valve with drain valve | |
| CN202646742U (en) | High-pressure accumulation-proof throttling stop valve | |
| CN204083312U (en) | A kind of temperature-decreased pressure reducer improveing spool | |
| CN103603962B (en) | A kind of plunger-type throttle valve | |
| CN203743548U (en) | Special pressure reducing and stabilizing valve for fire protection | |
| CN207333846U (en) | A kind of voltage-regulation type pipeline blowdown valve | |
| CN105221771A (en) | A kind of low temperature cut-off flow-limiting valve | |
| CN205090002U (en) | By restriction valve | |
| CN111336261B (en) | Stop valve for pipeline | |
| CN205190883U (en) | High pressure plate valve | |
| CN204878747U (en) | Cage cover choke valve | |
| CN201575160U (en) | Sealing valve | |
| CN203516754U (en) | Blocking-preventing regulating valve | |
| CN211525652U (en) | Low-inlet high-outlet plastic electromagnetic valve | |
| CN204042151U (en) | A kind of speed closes stop valve | |
| CN208253163U (en) | High pressure steam drainage valve station | |
| CN203604686U (en) | Plunger type throttle valve | |
| CN108662208B (en) | Hydraulic control valve with symmetrical structure | |
| CN103071268A (en) | High-pressure sprinkler water control valve | |
| CN202451900U (en) | Right-angle quick closing check valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131127 |
|
| WD01 | Invention patent application deemed withdrawn after publication |