CN204852407U - High temperature high pressure sluice valve - Google Patents
High temperature high pressure sluice valve Download PDFInfo
- Publication number
- CN204852407U CN204852407U CN201520654635.3U CN201520654635U CN204852407U CN 204852407 U CN204852407 U CN 204852407U CN 201520654635 U CN201520654635 U CN 201520654635U CN 204852407 U CN204852407 U CN 204852407U
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- valve
- flashboard
- high temperature
- high pressure
- black box
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Abstract
The utility model provides a high temperature high pressure sluice valve, including valve body, disk seat, flashboard, valve gap and valve rod, the valve rod rotates and sets up on the valve gap just the lower part of valve rod with flashboard threaded connection, be equipped with in the below opening of valve gap with the seal assembly that stem seal connects, be equipped with in the top opening of valve gap with the 2nd seal assembly that stem seal connects, the valve rod is through setting up the bearing of the 2nd seal assembly top rotates and supports in the valve gap. The utility model discloses a high temperature high pressure sluice valve adopts two seal assembly's structure, through a seal assembly's buffering, greatly reduced the impact of working medium to the 2nd seal assembly to can play sealed effect effectively through the 2nd seal assembly, lengthen the 2nd seal assembly's life in addition, promote the operating pressure value of valve.
Description
Technical field
The utility model relates to a kind of high pressure sluice valve, especially a kind of High Temperature High Pressure gate valve being applicable to use in oil, natural gas extraction.
Background technique
High Temperature High Pressure gate valve in the thermal recovery such as oil, rock gas industry, must can realize produced on-site medium temperature-60 DEG C-345 DEG C, pressure≤10000psi(69MPa) Long-Time Service of operating mode.And traditional high temperature cut-off valve, although can be used in the temperature range of-60 DEG C-345 DEG C, working pressure palpus≤42MPa, therefore can not meet the requirement of on-the-spot high pressure operating mode (pressure≤69MPa).
Single refractory seal assembly is all only adopted to carry out sealed valve stem in the valve gap of traditional high temperature cut-off valve, because the medium in pipeline enters lumen, enormous impact is produced to refractory seal assembly in valve switch process, easily cause the damage of refractory seal filler assembly, shorten the working life of refractory seal assembly.Conventional refractory seal assembly generally adopts graphite-seal ring or Stainless Steel Wire to strengthen graphite-seal ring, although this seal ring can be applicable to the temperature range of-60 DEG C-345 DEG C well, but graphite material compression resistance is under high pressure not good and wear resistance is bad, because which limit the further raising of model utility rated working pressure.
On the other hand, traditional high temperature cut-off valve valve seat and the seat ring hole of valve body are interference fit, are assembled by press mode, cause valve seat install, dismounting all very difficult, inconvenient execute-in-place.
Summary of the invention
Because existing high temperature cut-off valve cannot meet the defect of on-the-spot high pressure operating mode, the purpose of this utility model is to provide a kind of High Temperature High Pressure gate valve, it can meet produced on-site medium temperature-60 DEG C-345 DEG C, the Long-Time Service of pressure≤69MPa operating mode, extends the working life of refractory seal assembly.
In order to achieve the above object, the utility model is by the following technical solutions:
A kind of High Temperature High Pressure gate valve, comprise valve body, valve seat, flashboard, valve gap and valve rod, described valve rod rotation is arranged on described valve gap and the bottom of described valve rod and is threaded with described flashboard, it is characterized in that: in the lower opening of described valve gap, be provided with the first black box be connected with described valve stem seal, be provided with the second black box be connected with described valve stem seal in the upper opening of described valve gap, described valve rod is rotatably supported in described valve gap by the bearing be arranged on above described second black box.
Preferably, described first black box comprises graphite grazing filler group and lower Gland; Described second black box comprises refractory seal filler group and upper Gland.
Further preferably, described graphite grazing filler group is the combination that Stainless Steel Wire enhancing graphite-seal ring and brass inlay graphite anti-extrusion ring; The combination that described refractory seal filler group is stainless steel Support cushion, corrosion resisting alloy spring, graphite filled PTFE seal ring and brass inlay graphite anti-extrusion ring.
Wherein, the distance between the upper and lower between described first black box and the second black box is 100-200mm.Adopt such spacing, valve cover structure height is increased, contribute to the temperature of the second black box place working medium reducing top, extend the working life of the second black box.In one embodiment, between the upper and lower apart from being preferably 150mm.
In one embodiment, described flashboard comprises main piece of flashboard and the secondary block of flashboard, main piece of described flashboard is coordinated by the secondary block of inclined-plane and described flashboard and is connected with elastic component between main piece of described flashboard and the secondary block of described flashboard, and main piece of bottom and the described flashboard of described valve rod is threaded.
Described valve gap is also provided with the gear-box 17 driving described valve rod to rotate, described gear-box 17 is provided with handwheel.
Preferably, described valve seat is arranged in the seat ring hole of described valve body, between described valve seat with described valve body, is metal sealing is connected between described valve seat with described flashboard.
For the ease of the installation and removal of valve seat, described valve seat and described seat ring hole adopt Spielpassung, and execute-in-place is more prone to.
Wherein, bearing be conveniently installed and bearing is fixed, the upper opening of described valve gap being also provided with gland nut and the fastening screw nut of fixing described bearing.
Owing to adopting technique scheme, High Temperature High Pressure gate valve of the present utility model has the following advantages:
(1) first black box and the second black box tool at regular intervals, the height of valve gap is increased, contributes to the temperature of the second black box place working medium reducing top, extend the working life of the second black box;
(2) dual-seal component design, contributes to ensureing sealing effect.First black box major function of below plays pretension effect, reduce in valve switch process because pipeline medium enters the direct percussion of lumen second black box, reduce the temperature of arrival second black box place working medium, strengthen the working life of the second black box.
In further improvement of the utility model, the seat ring hole of valve seat and valve body adopts Spielpassung, facilitates in-site installation and extends valve body, valve seat working life.
Accompanying drawing explanation
Fig. 1 is the longitudinal profile schematic diagram of the utility model High Temperature High Pressure gate valve.
Fig. 2 is the side view of the utility model High Temperature High Pressure gate valve.
Fig. 3 is the flashboard structure schematic diagram in the utility model High Temperature High Pressure gate valve
1-guide plate, 2-valve seat, 3-valve body, 4-flashboard, 5-metallic packing ring, 6-valve gap, 7-lower Gland, 8-stud, 9-nut, 10-the first black box, 11-valve rod, the 12-the second black box, 13-bearing, 14-bolt, 15-gland nut, 16-fastening screw nut, 17-gear-box, 18-bearing housing, 19-upper Gland, main piece of 20-flashboard, 21-lubricating cup, 22-lubriator, 23-pin, 24-spring, the secondary block of 25-flashboard.
Embodiment
Below in conjunction with accompanying drawing, the utility model is preferred embodiment described in detail.
Refer to Fig. 1 to 3, a kind of high temperature high pressure valve, a kind of High Temperature High Pressure gate valve, comprise valve body 2, valve seat 3, flashboard 4, valve gap 6, valve rod 11 and the gear-box 17 with handwheel.
The lumen of valve body 3 is provided with seat ring hole, is arranged in described seat ring hole to valve seat 2 Spielpassung, passes through metal sealing between valve seat 2 and valve body 3.
Guide plate 1 be fixed on valve seat 2 lower end and to downward-extension.Flashboard 4 comprises main piece 20, flashboard and the secondary block 25 of flashboard, main piece 20, flashboard is coordinated by inclined-plane and the secondary block 25 of flashboard and is connected with elastic component between main piece 20, flashboard and the secondary block 25 of flashboard, this elastic component is spring 24, and spring 24 is fixed between main piece 20, flashboard and the secondary block 25 of flashboard by pin 23.Flashboard 4 can be arranged on valve seat 2 up and down, for metal sealing is connected between valve seat 2 with flashboard 4.
Valve gap 6 is fixed on valve body 3 by stud 8 and nut 9, is tightly connected between valve gap 6 and valve body 3 by metallic packing ring 5.Valve rod 11 rotation is arranged on the valve gap 6 and bottom of valve rod 11 and is threaded for main piece 20 with the flashboard of flashboard 4.The first black box 10 be tightly connected with valve rod 11 is provided with in the lower opening of valve gap 6, be provided with the second black box 12 be tightly connected with valve rod 11 in the upper opening of valve gap 6, valve rod 11 is rotatably supported in valve gap 6 by the bearing 13 be arranged on above the second black box 12.Bearing 13 is fixed in the upper opening of valve gap 6 by bearing housing 18, and is fixed by gland nut 15 and fastening screw nut 16.For the ease of injecting oiling agent, the sidewall of valve gap 6 offering the through hole be connected with the open section installing bearing 13, through hole being provided with lubricating cup 21.
Gear-box 7 is bolted on the upper end of valve gap 6, and upper end and the gear-box 17 of valve rod 11 are in transmission connection, and by the handwheel in rotary gear box 17, can actuate valve stem 11 rotate, thus drives flashboard 4 to open or close.
In order to reduce the impact of working medium to the second black box 12 of top, the distance between the upper and lower between the first black box 10 and the second black box 12 is 100-200mm.Adopt such spacing, valve gap 6 structure height is increased, contribute to the temperature of the second black box 12 place working medium reducing top, extend the working life of the second black box 12.In the present embodiment, in the lower opening of the mesopore of valve gap 6, be provided with getting out of a predicament or an embarrassing situation of installation first black box, in the upper opening of the mesopore of valve gap 6, be provided with topping bar of installation second black box.Describedly to get out of a predicament or an embarrassing situation and namely described height difference of topping bar is the distance between the upper and lower of the first black box 10 and the second black box 12, this is between the upper and lower apart from being 150mm.
Wherein, the first black box 10 comprises graphite grazing filler group and lower Gland 7.In the present embodiment, described graphite grazing filler group is the combination that Stainless Steel Wire enhancing graphite-seal ring and brass inlay graphite anti-extrusion ring.Described second black box comprises refractory seal filler group and upper Gland 19.In the present embodiment, the combination that described refractory seal filler group is stainless steel Support cushion, corrosion resisting alloy spring, graphite filled PTFE seal ring and brass inlay graphite anti-extrusion ring.
The High Temperature High Pressure gate valve of the present embodiment is owing to have employed the structure of dual-seal component, the valve gap design of increasing, make the working medium of High Temperature High Pressure by the buffering of the first black box, the compression shock of the second black box is reduced greatly, second black box can play the effect of sealing effectively, and extends the working life of the second black box.The High Temperature High Pressure gate valve of the present embodiment is particluarly suitable for medium temperature-60 DEG C-345 DEG C, and Long-Time Service under pressure≤69MPa operating mode, is specially adapted in the pipeline of the thermal recovery such as oil, rock gas industry.
Above-described embodiment is only for illustrating technical conceive of the present utility model and feature; its object is to person skilled in the art can be understood content of the present utility model and implement according to this; protection domain of the present utility model can not be limited with this; all equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (9)
1. a High Temperature High Pressure gate valve, comprise valve body, valve seat, flashboard, valve gap and valve rod, described valve rod rotation is arranged on described valve gap and the bottom of described valve rod and is threaded with described flashboard, it is characterized in that: in the lower opening of described valve gap, be provided with the first black box be connected with described valve stem seal, be provided with the second black box be connected with described valve stem seal in the upper opening of described valve gap, described valve rod is rotatably supported in described valve gap by the bearing be arranged on above described second black box.
2. a kind of High Temperature High Pressure gate valve according to claim 1, is characterized in that: described first black box comprises graphite grazing filler group and lower Gland; Described second black box comprises refractory seal filler group and upper Gland.
3. a kind of High Temperature High Pressure gate valve according to claim 2, is characterized in that: described graphite grazing filler group is the combination that Stainless Steel Wire enhancing graphite-seal ring and brass inlay graphite anti-extrusion ring; The combination that described refractory seal filler group is stainless steel Support cushion, corrosion resisting alloy spring, graphite filled PTFE seal ring and brass inlay graphite anti-extrusion ring.
4. a kind of High Temperature High Pressure gate valve according to claim 1, is characterized in that: the distance between the upper and lower between described first black box and the second black box is 100-200mm.
5. a kind of High Temperature High Pressure gate valve according to claim 1, it is characterized in that: described flashboard comprises main piece of flashboard and the secondary block of flashboard, main piece of described flashboard is coordinated by the secondary block of inclined-plane and described flashboard and is connected with elastic component between main piece of described flashboard and the secondary block of described flashboard, and main piece of bottom and the described flashboard of described valve rod is threaded.
6. a kind of High Temperature High Pressure gate valve according to claim 1 or 5, is characterized in that: described valve gap is also provided with the gear-box 17 driving described valve rod to rotate, described gear-box 17 is provided with handwheel.
7. a kind of High Temperature High Pressure gate valve according to claim 1 or 5, is characterized in that: described valve seat is arranged in the seat ring hole of described valve body, between described valve seat with described valve body, is metal sealing is connected between described valve seat with described flashboard.
8. a kind of High Temperature High Pressure gate valve according to claim 7, is characterized in that: described valve seat and described seat ring hole adopt Spielpassung.
9. a kind of High Temperature High Pressure gate valve according to claim 1, is characterized in that: the gland nut and the fastening screw nut that the upper opening of described valve gap are also provided with fixing described bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520654635.3U CN204852407U (en) | 2015-08-27 | 2015-08-27 | High temperature high pressure sluice valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520654635.3U CN204852407U (en) | 2015-08-27 | 2015-08-27 | High temperature high pressure sluice valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852407U true CN204852407U (en) | 2015-12-09 |
Family
ID=54742953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520654635.3U Withdrawn - After Issue CN204852407U (en) | 2015-08-27 | 2015-08-27 | High temperature high pressure sluice valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204852407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042099A (en) * | 2015-08-27 | 2015-11-11 | 纽威石油设备（苏州）有限公司 | High-temperature and high-pressure sluice valve |
-
2015
- 2015-08-27 CN CN201520654635.3U patent/CN204852407U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042099A (en) * | 2015-08-27 | 2015-11-11 | 纽威石油设备（苏州）有限公司 | High-temperature and high-pressure sluice valve |
| CN105042099B (en) * | 2015-08-27 | 2018-01-16 | 纽威石油设备（苏州）有限公司 | HTHP gate valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151209 Effective date of abandoning: 20180116 |