CN103939051A - Multi-way valve and machining method for multi-way valve - Google Patents
Multi-way valve and machining method for multi-way valve Download PDFInfo
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- CN103939051A CN103939051A CN201410171112.3A CN201410171112A CN103939051A CN 103939051 A CN103939051 A CN 103939051A CN 201410171112 A CN201410171112 A CN 201410171112A CN 103939051 A CN103939051 A CN 103939051A
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- way valve
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- steel coil
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Abstract
The invention relates to a multi-way valve and a machining method for the multi-way valve. The multi-way valve comprises a valve body and a valve core, wherein the valve body and the valve core are matched in a rotating mode, a plurality of single-well incoming oil inlets, a collection pipe set outlet and a single-well metering opening are formed in the valve body, a valve core upper opening can be communicated with any single-well incoming oil inlet, a valve core lower opening is communicated with the single-well metering opening, the joint of the valve core upper opening and the single-well incoming oil inlet communicated with the valve core upper opening is sealed through a sealing ring, the end face of the sealing ring is attached to a stainless steel ring lining embedded in a valve body inner cavity, and the end face of the stainless steel ring lining is tightly attached to the end face of the corresponding single-well incoming oil inlet. The machining method for the multi-way valve mainly includes the step that the stainless steel ring lining machined in advance is embedded in the valve body inner cavity of the multi-way valve so that the stainless steel ring lining can be attached to the end face of the sealing ring. The multi-way valve and the machining method solve the problems that in existing multi-way valve machining, machining difficulty is large, the machining accuracy of the sealing face is low, and the rate of finished products is low.
Description
Technical field
The present invention relates to the metering valve design of oilfield technical field, particularly relate to the processing method of a kind of multiple-way valve and this multiple-way valve.
Background technology
At present, in the defeated process of collection of oilfield production fluid, extensive use numerical control multiple-way valve carries out automatic gauge.Owing to flowing through the medium of multiple-way valve, have corrosivity, therefore, in order to strengthen the corrosion resistance of valve body, multiple-way valve valve body adopts stainless steel material to cast mostly.And multiple-way valve valve body often there will be the defects such as pore, burning into sand, shrinkage porosite, sand holes in casting process, these defects can come out after the processing of multiple-way valve valve body, greatly reduce the yield rate of multiple-way valve.In addition, because multiple-way valve valve body is irregularly shaped, valve body inner sealing surface difficulty of processing is very large, and machining accuracy is difficult to guarantee.
For the problems referred to above, the present invention proposes the processing method of a kind of new multiple-way valve and this multiple-way valve.
Summary of the invention
Technical problem to be solved by this invention is to provide the processing method of a kind of multiple-way valve and this multiple-way valve, for solving the problem that multiple-way valve valve body difficulty of processing is large, sealing surface machining accuracy is low, yield rate is low.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of multiple-way valve, comprise valve body and spool, described valve body coordinates with valve core rotation, and described valve body is provided with several individual wells and comes oil-in, a header collection delivery outlet and an one-well metering mouth, spool is suitable for reading can come oil-in to communicate with arbitrary individual well, and spool end opening communicates with one-well metering mouth, spool individual well suitable for reading and that communicate with it comes the junction of oil-in to seal by joint ring, the end face of described joint ring fits with a stainless steel coil liner that is embedded in body cavity, and the end face of this stainless steel coil liner is close to the end face that corresponding individual well comes oil-in.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described valve body is provided with 3 to 15 individual wells and comes oil-in.
Further, described joint ring is connected with preloading spring, and joint ring is withstood in described preloading spring one end, and the other end is mounted on a pre-load nut on valve body, and described preloading spring is by described pre-load nut press seal ring.
Further, a valve gap is installed on described valve body.
Further, the outside dimension of described stainless steel coil liner and the inner cavity size of described valve body adapt.
Further, the number of openings being lining with in described stainless steel coil is identical with the number of openings of described valve body.
Technical scheme of the present invention also comprises a kind of method of processing above-mentioned multiple-way valve, and concrete steps comprise:
Step 1, adopts carbon steel processing multiple-way valve valve body, the inner cavity size of valve body is worked into specified size, and assembles each parts of multiple-way valve;
Step 2, processing stainless steel circle liner, and guarantee that the outside dimension of stainless steel coil liner and the inner cavity size of valve body adapt, simultaneously by the internal diameter of stainless steel coil liner be highly worked into specified size;
Step 3 is lining with the perforate of equal number on processing and valve body in stainless steel coil;
Step 4, is mounted to stainless steel coil liner on the inner chamber of multiple-way valve valve body, and the end face of stainless steel coil liner and described joint ring is fitted, and makes the end face of this stainless steel coil liner be close to the end face that corresponding individual well comes oil-in.
Further, in described step 1, adopt 20# carbon steel processing multiple-way valve valve body.
Further, in described step 4, stainless steel coil liner is mounted on the inner chamber of multiple-way valve valve body in the mode of welding, and all welding corresponding to body cavity of the upper end of stainless steel coil liner, lower end and tapping.
The invention has the beneficial effects as follows: the invention solves the problems such as the difficulty of processing existing in current multiple-way valve production is large, sealing surface machining accuracy is low, yield rate is low, compare with production technology in the past, greatly reduce difficulty of processing and cost of production, shorten the processing duration, improved sealing surface machining accuracy and finished product rate.
Accompanying drawing explanation
Fig. 1 is the structural representation of multiple-way valve of the present invention;
Fig. 2 is the enlarged diagram of the stainless steel coil liner of multiple-way valve in Fig. 1;
Fig. 3 is the schematic flow sheet that the present invention processes multiple-way valve.
In accompanying drawing, the list of parts of each label representative is as follows:
1, valve body, 2, spool, 3, individual well comes oil-in, 4, header collection delivery outlet, 5, one-well metering mouth, 6, joint ring, 7, stainless steel coil liner, 8, pad, 9, medium runner, 10, preloading spring, 11, pre-load nut, 12, valve gap.
The specific embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, the present embodiment has provided a kind of multiple-way valve, comprise valve body 1 and spool 2, described valve body 1 is rotatably assorted with spool 2, and described valve body 1 is provided with several individual wells and comes oil-in 3, header collection delivery outlet 4 and an one-well metering mouth 5, spool is suitable for reading can come oil-in 3 to communicate with arbitrary individual well, and spool end opening communicates with one-well metering mouth 5, spool individual well suitable for reading and that communicate with it comes the junction of oil-in to seal by joint ring 6, and the end face of described joint ring 6 fits with a stainless steel coil liner 7 that is embedded in body cavity.
As shown in Figure 2, the end face of this stainless steel coil liner 7 is close to the end face that corresponding individual well comes oil-in 3, and this stainless steel coil liner is welded on described valve body, stable for guaranteeing welding, its upper end, lower end and tapping be welding corresponding to body cavity all, therefore comprises a plurality of pads 8.Meanwhile, before welding, need to guarantee that the outside dimension of stainless steel coil liner and the inner cavity size of described valve body adapt, and guarantee that the number of openings being lining with in stainless steel coil is identical with the number of openings of described valve body.
Described spool 2 is provided with medium runner 9, and described spool is suitable for reading is that medium runner is suitable for reading, and spool end opening is medium runner end opening, and the wall suitable for reading of medium runner is provided with cannelure around, and described joint ring is arranged in cannelure.Described joint ring 6 is connected with preloading spring 10, and joint ring 6 is withstood in described preloading spring 10 one end, and the other end is mounted on a pre-load nut 11 on valve body, and described preloading spring 10 is by described pre-load nut 11 press seal rings 6.In addition, a valve gap 12 is installed on described valve body.
In the present embodiment, be provided with 3 to 15 individual wells and come oil-in, when the suitable for reading and selected individual well of spool comes oil-in to connect, the next oily individual well by multiple-way valve of selected oil well comes oil-in to enter spool, one-well metering mouth by multiple-way valve enters metering pipeline, other oil wells are next oily to be collected in multiple-way valve, by header collection delivery outlet, enters gathering line.Measure completely, rotational valve core is connected to another individual well that need to measure and comes oil-in, continues metering.
As shown in Figure 3, the present embodiment gives the method for the above-mentioned multiple-way valve of processing, and concrete steps comprise:
Step 1, adopts carbon steel (as 20# carbon steel) processing multiple-way valve valve body, the inner cavity size of valve body is worked into specified size, and assembles each parts of multiple-way valve;
Step 2, processing stainless steel circle liner, and guarantee that the outside dimension of stainless steel coil liner and the inner cavity size of valve body adapt, simultaneously by the internal diameter of stainless steel coil liner be highly worked into specified size;
Step 3 is lining with the perforate of equal number on processing and valve body in stainless steel coil;
Step 4, is mounted to stainless steel coil liner on the inner chamber of multiple-way valve valve body, and the end face of stainless steel coil liner and described joint ring is fitted, and makes the end face of this stainless steel coil liner be close to the end face that corresponding individual well comes oil-in.Described stainless steel coil liner is mounted on the inner chamber of multiple-way valve valve body in the mode of welding, and all welding corresponding to body cavity of the upper end of stainless steel coil liner, lower end and tapping.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a multiple-way valve, comprise valve body and spool, described valve body coordinates with valve core rotation, and described valve body is provided with several individual wells and comes oil-in, a header collection delivery outlet and an one-well metering mouth, spool is suitable for reading can come oil-in to communicate with arbitrary individual well, and spool end opening communicates with one-well metering mouth, spool individual well suitable for reading and that communicate with it comes the junction of oil-in to seal by joint ring, it is characterized in that, the end face of described joint ring fits with a stainless steel coil liner that is embedded in body cavity, and the end face of this stainless steel coil liner is close to the end face that corresponding individual well comes oil-in.
2. multiple-way valve according to claim 1, is characterized in that, described valve body is provided with 3 to 15 individual wells and comes oil-in.
3. multiple-way valve according to claim 1, it is characterized in that, described joint ring is connected with preloading spring, and joint ring is withstood in described preloading spring one end, the other end is mounted on a pre-load nut on valve body, and described preloading spring is by described pre-load nut press seal ring.
4. multiple-way valve according to claim 1, is characterized in that, a valve gap is installed on described valve body.
5. multiple-way valve according to claim 1, is characterized in that, the outside dimension of described stainless steel coil liner and the inner cavity size of described valve body adapt.
6. multiple-way valve according to claim 1, is characterized in that, the number of openings being lining with in described stainless steel coil is identical with the number of openings of described valve body.
7. as a processing method for the multiple-way valve as described in arbitrary in claim 1 to 6, it is characterized in that, comprising:
Step 1, adopts carbon steel processing multiple-way valve valve body, the inner cavity size of valve body is worked into specified size, and assembles each parts of multiple-way valve;
Step 2, processing stainless steel circle liner, and guarantee that the outside dimension of stainless steel coil liner and the inner cavity size of valve body adapt, simultaneously by the internal diameter of stainless steel coil liner be highly worked into specified size;
Step 3 is lining with the perforate of equal number on processing and valve body in stainless steel coil;
Step 4, is mounted to stainless steel coil liner on the inner chamber of multiple-way valve valve body, and the end face of stainless steel coil liner and described joint ring is fitted, and makes the end face of this stainless steel coil liner be close to the end face that corresponding individual well comes oil-in.
8. method according to claim 7, is characterized in that, adopts 20# carbon steel processing multiple-way valve valve body in described step 1.
9. method according to claim 7, is characterized in that, in described step 4, stainless steel coil liner is mounted on the inner chamber of multiple-way valve valve body in the mode of welding, and all welding corresponding to body cavity of the upper end of stainless steel coil liner, lower end and tapping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410171112.3A CN103939051A (en) | 2014-04-25 | 2014-04-25 | Multi-way valve and machining method for multi-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410171112.3A CN103939051A (en) | 2014-04-25 | 2014-04-25 | Multi-way valve and machining method for multi-way valve |
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| CN103939051A true CN103939051A (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410171112.3A Pending CN103939051A (en) | 2014-04-25 | 2014-04-25 | Multi-way valve and machining method for multi-way valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150677A (en) * | 2018-03-05 | 2018-06-12 | 克拉玛依市金牛信泰石油设备有限公司 | Multi-way valve |
| CN109057748A (en) * | 2018-08-03 | 2018-12-21 | 克拉玛依市华隆油田技术服务有限责任公司 | Oil field multiple-way valve double containment spool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5927330A (en) * | 1996-02-06 | 1999-07-27 | Oil States Industries | Modular, high-volume, rotary selector valve |
| CN2572159Y (en) * | 2002-08-13 | 2003-09-10 | 北京迪威尔石油天然气技术开发有限公司 | Metering centralized output multi-way valve |
| CN201034178Y (en) * | 2006-12-11 | 2008-03-12 | 克拉玛依市金牛信泰工业控制有限公司 | Fan-shaped flow passage sealing pair multiple-way valve |
| CN101413601A (en) * | 2008-10-27 | 2009-04-22 | 丁文芳 | Energy-saving environment protection type combustible gas intelligent safety valve |
| CN202007908U (en) * | 2011-01-30 | 2011-10-12 | 黄建奇 | Metering gathering and transporting multiport valve |
| CN202531153U (en) * | 2012-03-28 | 2012-11-14 | 中联煤层气有限责任公司 | Coal bed gas well choosing device |
-
2014
- 2014-04-25 CN CN201410171112.3A patent/CN103939051A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5927330A (en) * | 1996-02-06 | 1999-07-27 | Oil States Industries | Modular, high-volume, rotary selector valve |
| CN2572159Y (en) * | 2002-08-13 | 2003-09-10 | 北京迪威尔石油天然气技术开发有限公司 | Metering centralized output multi-way valve |
| CN201034178Y (en) * | 2006-12-11 | 2008-03-12 | 克拉玛依市金牛信泰工业控制有限公司 | Fan-shaped flow passage sealing pair multiple-way valve |
| CN101413601A (en) * | 2008-10-27 | 2009-04-22 | 丁文芳 | Energy-saving environment protection type combustible gas intelligent safety valve |
| CN202007908U (en) * | 2011-01-30 | 2011-10-12 | 黄建奇 | Metering gathering and transporting multiport valve |
| CN202531153U (en) * | 2012-03-28 | 2012-11-14 | 中联煤层气有限责任公司 | Coal bed gas well choosing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150677A (en) * | 2018-03-05 | 2018-06-12 | 克拉玛依市金牛信泰石油设备有限公司 | Multi-way valve |
| CN108150677B (en) * | 2018-03-05 | 2023-09-08 | 克拉玛依市金牛信泰石油设备有限公司 | Multi-way valve |
| CN109057748A (en) * | 2018-08-03 | 2018-12-21 | 克拉玛依市华隆油田技术服务有限责任公司 | Oil field multiple-way valve double containment spool |
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Application publication date: 20140723 |