CN109798372A - Formula beveled ball valve is filled on a kind of low temperature - Google Patents
Formula beveled ball valve is filled on a kind of low temperature Download PDFInfo
- Publication number
- CN109798372A CN109798372A CN201910193031.6A CN201910193031A CN109798372A CN 109798372 A CN109798372 A CN 109798372A CN 201910193031 A CN201910193031 A CN 201910193031A CN 109798372 A CN109798372 A CN 109798372A
- Authority
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- China
- Prior art keywords
- valve
- low temperature
- valve seat
- ball
- ball valve
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000012856 packing Methods 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Taps Or Cocks (AREA)
- Safety Valves (AREA)
Abstract
Formula beveled ball valve is filled on a kind of low temperature, including valve body, lip-type packing, graphite-seal ring, valve seat, sealing ring, sphere, valve rod, valve deck, bracket, stop screw, the sealing ring is located in valve seat, it is formed and is sealed with spherome surface, the valve seat inner peripheral surface is equipped with metal seal band, the valve seat back is equipped with graphite-seal ring and lip-type packing, forms two seals with valve body cammed surface.Can not be high in special operation condition seal performance the invention has the advantages that solving valve, the low problem of safety.
Description
Technical field
The present invention relates to formula beveled ball valve is filled on a kind of low temperature.
Background technique
Recent decades, it is more and more to the demand of Subzero valve in engineering project with the development of modern science and technology, it is low
Warm valve is in fields such as chemical fertilizer, LNG and petrochemical industries using more and more extensive.
The medium that Subzero valve is controlled other than liquid nitrogen and other liquid inert gas, most of medium is not only inflammable,
It is explosive, and can gasify in heating or flash distillation, cause volume sharply to expand, is easy to cause leakage and explosion.At present
Most of cryogenic ball valve valve seat constructions of mainstream are complicated on the market, valve out of order probability higher to the required precision of processing
Also it increases with it.
It is soft in metal retainer therefor by being embedded in for filling the sealing of the valve seat and valve body of formula beveled ball valve on low temperature at present
What the compressional deformation of sealing ring generated, once fire occurs, soft sealing ring will be burned out, and valve will leak, no
Suitable for inflammable and explosive cryogenic media；The whole not set electrostatic prevention structure of valve, is not suitable for inflammable and explosive cryogenic media；
The not set lumen relief hole of valve, if the case where valve body middle chamber is abnormal boosting, the pressure of lumen will be unable to be released, and deposit
In biggish security risk；Valve carries out switch limit by gland stud, and for opening and closing frequent valve, limit film is anti-
It restrikes dozen gland stud and is easy to cause bolt looseness, influence the sealing performance of filler, can lead to the leakage of medium when serious.
Summary of the invention
To solve the above problems, the present invention provides fill formula inclined-plane on a kind of low temperature with sealed reliable, highly-safe
Ball valve.
The technical scheme is that fill formula beveled ball valve on a kind of low temperature, including valve body, lip-type packing, graphite are close
Seal ring, valve seat, sealing ring, sphere, valve rod, valve deck, bracket, stop screw, the sealing ring are located in valve seat, with spherome surface
Sealing is formed, the valve seat inner peripheral surface is equipped with metal seal band, and the valve seat back is equipped with graphite-seal ring and lip packing
Circle forms two seals with valve body cammed surface.
Further, anti-static device is equipped on the sphere and valve rod.
Further, it is all provided with fluted on the sphere and valve rod, the anti-static device includes steel ball, spring, described
Spring one end is abutted with ball valve or valve rod fovea superior trench bottom, and the spring other end is abutted with steel ball, the steel ball and valve rod or
Valve deck abuts.
Further, the valve body is equipped with lumen relief hole.
Further, the stop screw is arranged on the bracket connected with valve deck.
The beneficial effects of the present invention are: solving because of unexpected operating condition lower valve door sealings such as fire, the abnormal boosting of lumen, electrostatic
Performance is not high, the low problem of safety.When fire occurring inside device, soft sealing ring and the lip packing with valve seat back
Circle will be burned out, but the graphite-seal ring of the metal seal band and valve seat back on valve seat still ensures that tight seal, Neng Gouyou
Effect prevents fire from continuing to spread.If pressure will be from the lumen pressure release on valve body when valve body middle chamber is abnormal boosting the case where
Hole is released to upstream or downstream line, can effectively ensure that the safety of valve doors and door fittings.Stop screw is located to be connected with valve deck
Bracket on, be different from using gland screw as the structure of stop screw, to filling out when completely eliminating handle opening/shutting valve
The influence factor for expecting sealing performance, can effectively extend the service life of valve.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is partial enlarged view I；
Fig. 3 is partial enlarged view II；
Fig. 4 is partial enlarged view III；
Fig. 5 is partial enlarged view IV.
In figure: 1. valve bodies；2. lip-type packing；3. graphite-seal ring；4. valve seat；5. sealing ring；6. sphere；7. valve rod；
8. valve deck；9. bracket；10. stop screw；11. spring；12. steel ball；13. lumen relief hole.
Specific embodiment
Formula beveled ball valve, including valve body, lip-type packing, graphite-seal ring, valve seat, sealing ring, ball are filled on a kind of low temperature
Body, valve rod, valve deck, bracket, stop screw, the sealing ring are located in valve seat, are formed and are sealed with spherome surface, in the valve seat
It encloses surface and is equipped with metal seal band, the valve seat back is equipped with graphite-seal ring and lip-type packing, is formed with valve body cammed surface
Two seals are equipped with anti-static device on the sphere and valve rod, be all provided on the sphere and valve rod it is fluted, it is described prevent it is quiet
Electric installation includes steel ball, spring, and the spring one end is abutted with ball valve or valve rod fovea superior trench bottom, the spring other end and steel
Pearl abuts, and the steel ball abuts with valve rod or valve deck, the valve body equipped with lumen relief hole, the stop screw be arranged with
On the bracket of valve deck connection.
Claims (5)
1. on a kind of low temperature fill formula beveled ball valve, including valve body, lip-type packing, graphite-seal ring, valve seat, sealing ring, sphere,
Valve rod, valve deck, bracket, stop screw, which is characterized in that the sealing ring is located in valve seat, is formed and is sealed with spherome surface, institute
Valve seat inner peripheral surface is stated equipped with metal seal band, the valve seat back is equipped with graphite-seal ring and lip-type packing, oblique with valve body
Wedge surface forms two seals.
2. filling formula beveled ball valve on a kind of low temperature as described in claim 1, which is characterized in that be all provided on the sphere and valve rod
There is anti-static device.
3. filling formula beveled ball valve on a kind of low temperature as claimed in claim 2, which is characterized in that be all provided on the sphere and valve rod
Fluted, the anti-static device includes steel ball, spring, and the spring one end is abutted with ball valve or valve rod fovea superior trench bottom, institute
It states the spring other end to abut with steel ball, the steel ball is abutted with valve rod or valve deck.
4. filling formula beveled ball valve on a kind of low temperature as described in any 1 in claims 1 to 3, which is characterized in that the valve body
It is equipped with lumen relief hole.
5. filling formula beveled ball valve on a kind of low temperature as described in any 1 in claims 1 to 3, which is characterized in that the limit
Screw is arranged on the bracket connected with valve deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910193031.6A CN109798372A (en) | 2019-03-14 | 2019-03-14 | Formula beveled ball valve is filled on a kind of low temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910193031.6A CN109798372A (en) | 2019-03-14 | 2019-03-14 | Formula beveled ball valve is filled on a kind of low temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109798372A true CN109798372A (en) | 2019-05-24 |
Family
ID=66563492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910193031.6A Pending CN109798372A (en) | 2019-03-14 | 2019-03-14 | Formula beveled ball valve is filled on a kind of low temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109798372A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203202268U (en) * | 2013-01-28 | 2013-09-18 | 温州凯林阀门有限公司 | Fireproof ball valve |
| CN204610939U (en) * | 2015-05-18 | 2015-09-02 | 浙江石化阀门有限公司 | Ultralow temperature fills formula fixing ball valve |
| CN106321880A (en) * | 2016-10-27 | 2017-01-11 | 苏州纽威阀门股份有限公司 | Sealing structure for seal valve |
| CN206409662U (en) * | 2016-12-27 | 2017-08-15 | 苏州工业园区思达德阀门有限公司 | A kind of liquefied natural gas ball-valve dedicated |
| CN207131902U (en) * | 2017-08-09 | 2018-03-23 | 湖北泰和石化设备有限公司 | Upper dress formula full-bore LNG soft seal zero leakage two-way valves |
| CN108953661A (en) * | 2018-09-06 | 2018-12-07 | 德科隆（无锡）流体控制有限公司 | A kind of hard water draining seal ball valve of high temperature and pressure |
| CN109058505A (en) * | 2018-10-31 | 2018-12-21 | 天津欧通流体控制设备有限公司 | A kind of wedge-type ultralow temperature top mounting ball valve |
| CN209762310U (en) * | 2019-03-14 | 2019-12-10 | 江苏神通阀门股份有限公司 | Low-temperature upper-mounted inclined-plane ball valve |
-
2019
- 2019-03-14 CN CN201910193031.6A patent/CN109798372A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203202268U (en) * | 2013-01-28 | 2013-09-18 | 温州凯林阀门有限公司 | Fireproof ball valve |
| CN204610939U (en) * | 2015-05-18 | 2015-09-02 | 浙江石化阀门有限公司 | Ultralow temperature fills formula fixing ball valve |
| CN106321880A (en) * | 2016-10-27 | 2017-01-11 | 苏州纽威阀门股份有限公司 | Sealing structure for seal valve |
| CN206409662U (en) * | 2016-12-27 | 2017-08-15 | 苏州工业园区思达德阀门有限公司 | A kind of liquefied natural gas ball-valve dedicated |
| CN207131902U (en) * | 2017-08-09 | 2018-03-23 | 湖北泰和石化设备有限公司 | Upper dress formula full-bore LNG soft seal zero leakage two-way valves |
| CN108953661A (en) * | 2018-09-06 | 2018-12-07 | 德科隆（无锡）流体控制有限公司 | A kind of hard water draining seal ball valve of high temperature and pressure |
| CN109058505A (en) * | 2018-10-31 | 2018-12-21 | 天津欧通流体控制设备有限公司 | A kind of wedge-type ultralow temperature top mounting ball valve |
| CN209762310U (en) * | 2019-03-14 | 2019-12-10 | 江苏神通阀门股份有限公司 | Low-temperature upper-mounted inclined-plane ball valve |
Non-Patent Citations (1)
| Title |
|---|
| 陆培文等: "《国内外阀门新结构》", 31 May 1997, 中国标准出版社, pages: 78 - 79 * |
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