CN104847928A - Low-temperature filling valve on LNG storage tank - Google Patents
Low-temperature filling valve on LNG storage tank Download PDFInfo
- Publication number
- CN104847928A CN104847928A CN201510250400.2A CN201510250400A CN104847928A CN 104847928 A CN104847928 A CN 104847928A CN 201510250400 A CN201510250400 A CN 201510250400A CN 104847928 A CN104847928 A CN 104847928A
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- China
- Prior art keywords
- valve
- storage tank
- spool
- valve body
- contact
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- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/20—Check valves specially designed for inflatable bodies, e.g. tyres
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a low-temperature filling valve on an LNG storage tank. The low-temperature filling valve comprises a valve body arranged on a gas adding hole of the storage tank, a valve body passage communicated with the storage tank and a valve body outlet is arranged in the valve body, a valve core with a sealing ring is arranged in the valve body passage, a push guide device capable of pushing the valve core is arranged between the valve core and valve body, a conical sealing surface capable of closely fitting with the sealing ring on the valve core is arranged on the side wall of the valve body passage, and the conical sealing surface is provided with a wear-resistant material layer; the sealing ring closely fits and seals with the conical sealing surface after the push guide device pushes the valve core towards the outside so as to prevent material in the storage tank leaking to the outside from the valve body passage. According to the low-temperature filling valve on the LNG storage tank, the conical sealing surface is provided with the wear-resistant material layer, and accordingly the service life of the low-temperature filling valve is improved; the valve body is further provided with a dust-proof protective jacket and a dust-proof sealing ring capable of preventing dust falling into the valve body passage.
Description
Technical field
The present invention relates in LNG storage tank for the low temperature filling valve of the filling LNG of storage tank.
Background technique
LNG is the english abbreviation of LNG Liquefied natural gas, LNG storage tank is provided with low temperature filling valve, when needs LNG Liquefied natural gas filling to storage tank, air filling gun is docked with low temperature filling valve, now air filling gun energy pushing tow opens the spool in low temperature filling valve, thus open low temperature filling valve, realize the object filling LNG in storage tank.The shortcoming of the low temperature filling valve in existing LNG storage tank is: the dust in physical environment easily enters into valve channel from the outlet of valve body, make the sealing surface in valve channel in the process of aerating easily by dust plucking and wearing and tearing, thus seal ring and sealing surface can not well be sealed, cause low temperature filling valve can not complete sealing and leakage accident occurs, greatly reduce the working life of the even whole storage tank of low temperature filling valve.
Summary of the invention
Technical problem to be solved by this invention is: will provide a kind of sealing surface not easily by low temperature filling valve that plucking weares and teares.
In order to solve the problem, the technical solution used in the present invention is: the low temperature filling valve in LNG storage tank, comprise: be installed on storage tank and add valve body on gas port, the valve channel being communicated with storage tank inner chamber and valve outlet is provided with in valve body, be characterized in: the spool being provided with band seal ring in valve channel, the pushing tow guiding device of the outside pushing tow spool of energy is provided with between spool and valve body, the sidewall of valve channel is provided with the conical seal (contact) face that can fit tightly with seal ring on spool, conical seal (contact) face is provided with wear-resistant material layer; Seal ring and conical seal (contact) face can be made to fit tightly sealing after the outside pushing tow spool of pushing tow guiding device, thus prevent material in storage tank from valve channel to external leakage.
Further, the low temperature filling valve in aforesaid LNG storage tank, wherein: wear-resistant material layer is the ceramic material layer being sprayed on conical seal (contact) face surface.
Further, low temperature filling valve in aforesaid LNG storage tank, wherein: the structure of pushing tow guiding device is: the supporting table being provided with energy support spring in the valve channel inside spool, the guide ledges led that can match with the valve channel inside conical seal (contact) face is provided with in the inner of spool, guide ledges can be moved along with in the valve channel of spool inside conical seal (contact) face, and guide ledges can be stopped by conical seal (contact) face and cannot cross conical seal (contact) face, thus prevent spool from going out valve body, the material channel that material can be made to pass through is provided with between valve interior wall inside guide ledges and conical seal (contact) face, be provided with can carry out spacing limited impression to spring in the middle inside of guide ledges, position-limited lever is provided with in limited impression, the spring of the outside pushing tow spool of energy is provided with between spool and supporting table, the bottom of spring is subject to supporting table supporting, the top of spring is stretched in limited impression, and position-limited lever is positioned in the middle of spring.
Further, the low temperature filling valve in aforesaid LNG storage tank, wherein: be set with dust-prevention protecting jacket in the outside of the outlet of valve body.
Further, the low temperature filling valve in aforesaid LNG storage tank, wherein: on the inwall of dust-prevention protecting jacket, be provided with annular groove, is provided with the dust-proof seal ring with valve outer wall close contact, thus prevents dust from entering in valve channel in annular groove.
Advantage of the present invention is: the low temperature filling valve in LNG storage tank of the present invention is provided with wear-resistant material layer on its conical seal (contact) face, and conical seal (contact) face is is not easily worn and torn by plucking, thus improves the working life of this low temperature filling valve; And on valve body, be also provided with dust-prevention protecting jacket and the dust-proof seal ring that can prevent dust from falling into valve channel, thus greatly reduce the possibility that dust falls into valve channel.
Accompanying drawing explanation
Fig. 1 is the structural representation of the low temperature filling valve in LNG storage tank of the present invention.
Fig. 2 is A place zoomed-in view in Fig. 1.
Fig. 3 is B-B sectional view in Fig. 1.
Embodiment
Below in conjunction with specific embodiments and the drawings, the present invention is described in further detail.
Low temperature filling valve in LNG storage tank, as Fig. 1, Fig. 2, shown in Fig. 3, comprise: be installed on storage tank 11 and add valve body 1 on gas port, the valve channel 12 being communicated with storage tank 11 inner chamber and valve outlet is provided with in valve body 1, the spool 2 of band seal ring 21 is provided with in valve channel 12, the pushing tow guiding device of the outside pushing tow spool 2 of energy is provided with between spool 2 and valve body 1, the sidewall of valve channel 12 is provided with the conical seal (contact) face 5 that can fit tightly with seal ring 21 on spool 2, in the present embodiment, the structure of pushing tow guiding device is: the supporting table 4 being provided with energy support spring in the valve channel 12 inside spool 2, the guide ledges 7 led that can match with the valve channel 12 inside conical seal (contact) face 5 is provided with in the inner of spool 2, guide ledges 7 can be moved along with in the valve channel 12 of spool 2 inside conical seal (contact) face 5, and guide ledges 7 can be stopped by conical seal (contact) face 5 and cannot cross conical seal (contact) face 5, thus prevent spool 2 from going out valve body 1, the material channel 71 that material can be made to pass through is provided with between valve interior wall inside guide ledges 7 and conical seal (contact) face 5, be provided with can carry out spacing limited impression 22 to spring in the middle inside of guide ledges 7, position-limited lever 23 is provided with in limited impression 22, the spring 3 of the outside pushing tow spool 2 of energy is provided with between spool 2 and supporting table 4, the bottom of spring 3 is subject to supporting table 4 and supports, the top of spring 3 is stretched in limited impression 22, and position-limited lever 23 is positioned in the middle of spring 3, limited impression 22 and position-limited lever 23 can carry out spacing to spring 3, conical seal (contact) face 5 is provided with wear-resistant material layer 51, produce time, can on conical seal (contact) face 5 spraying wear-resistant materials layer 51, in the present embodiment, wear-resistant material layer 51 is ceramic material layer, and conical seal (contact) face 5 can be made after spraying wear-resistant materials layer 51 not easily to be worn and torn by plucking, seal ring 21 and conical seal (contact) face 5 can be made after the outside pushing tow spool 2 of pushing tow guiding device to fit tightly sealing, thus prevent material in storage tank 11 from valve channel 12 to external leakage.
In the present embodiment, dust-prevention protecting jacket 6 is set with in the outside of the outlet of valve body 1.The inwall of dust-prevention protecting jacket 6 is provided with annular groove 61, in annular groove 61, is provided with the dust-proof seal ring 62 with valve outer wall close contact, thus prevents dust from entering in valve channel 12.
Beneficial effect of the present invention is: the low temperature filling valve in LNG storage tank of the present invention is provided with wear-resistant material layer on its conical seal (contact) face, and conical seal (contact) face is is not easily worn and torn by plucking, thus improves the working life of this low temperature filling valve; And on valve body, be also provided with dust-prevention protecting jacket and the dust-proof seal ring that can prevent dust from falling into valve channel, thus greatly reduce the possibility that dust falls into valve channel.
Claims (5)
- Low temperature filling valve on 1.LNG storage tank, comprise: be installed on storage tank and add valve body on gas port, the valve channel being communicated with storage tank inner chamber and valve outlet is provided with in valve body, it is characterized in that: the spool being provided with band seal ring in valve channel, the pushing tow guiding device of the outside pushing tow spool of energy is provided with between spool and valve body, the sidewall of valve channel is provided with the conical seal (contact) face that can fit tightly with seal ring on spool, conical seal (contact) face is provided with wear-resistant material layer; Seal ring and conical seal (contact) face can be made to fit tightly sealing after the outside pushing tow spool of pushing tow guiding device, thus prevent material in storage tank from valve channel to external leakage.
- 2. the low temperature filling valve in LNG storage tank according to claim 1, is characterized in that: wear-resistant material layer is the ceramic material layer being sprayed on conical seal (contact) face surface.
- 3. the low temperature filling valve in LNG storage tank according to claim 1 and 2, it is characterized in that: the structure of pushing tow guiding device is: the supporting table being provided with energy support spring in the valve channel inside spool, the guide ledges led that can match with the valve channel inside conical seal (contact) face is provided with in the inner of spool, guide ledges can be moved along with in the valve channel of spool inside conical seal (contact) face, and guide ledges can be stopped by conical seal (contact) face and cannot cross conical seal (contact) face, thus prevent spool from going out valve body, the material channel that material can be made to pass through is provided with between valve interior wall inside guide ledges and conical seal (contact) face, be provided with can carry out spacing limited impression to spring in the middle inside of guide ledges, position-limited lever is provided with in limited impression, the spring of the outside pushing tow spool of energy is provided with between spool and supporting table, the bottom of spring is subject to supporting table supporting, the top of spring is stretched in limited impression, and position-limited lever is positioned in the middle of spring.
- 4. the low temperature filling valve in LNG storage tank according to claim 1 and 2, is characterized in that: be set with dust-prevention protecting jacket in the outside of the outlet of valve body.
- 5. the low temperature filling valve in LNG storage tank according to claim 4; it is characterized in that: on the inwall of dust-prevention protecting jacket, be provided with annular groove; in annular groove, be provided with the dust-proof seal ring with valve outer wall close contact, thus prevent dust from entering in valve channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510250400.2A CN104847928A (en) | 2015-05-18 | 2015-05-18 | Low-temperature filling valve on LNG storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510250400.2A CN104847928A (en) | 2015-05-18 | 2015-05-18 | Low-temperature filling valve on LNG storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104847928A true CN104847928A (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510250400.2A Pending CN104847928A (en) | 2015-05-18 | 2015-05-18 | Low-temperature filling valve on LNG storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104847928A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221923A (en) * | 2015-08-24 | 2016-01-06 | 湖北三江航天红峰控制有限公司 | A kind of filling apparatus being applied to LNG bottle |
| CN106870778A (en) * | 2017-03-23 | 2017-06-20 | 罗达莱克斯阀门(上海)有限公司 | A kind of ultralow temperature filling valve |
| CN106996493A (en) * | 2017-06-09 | 2017-08-01 | 上海松科快换自动化股份有限公司 | A kind of split type banjo fixing butt jointing and its pin end and female joint |
| CN110573789A (en) * | 2018-01-30 | 2019-12-13 | 株式会社龙野 | Filling device |
| CN111706688A (en) * | 2020-07-20 | 2020-09-25 | 杭州科技职业技术学院 | LNG ultra-low temperature valve |
| CN111891548A (en) * | 2019-05-06 | 2020-11-06 | 齐尔格拉斯投资有限责任公司 | Closing device and liquid container |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050229979A1 (en) * | 2004-04-19 | 2005-10-20 | R. Conrader Company | Elastomeric check valve |
| CN201236974Y (en) * | 2008-07-22 | 2009-05-13 | 宁波星箭航天机械厂 | Non-return valve |
| CN202360815U (en) * | 2011-11-17 | 2012-08-01 | 西安新竹实业有限责任公司 | Aluminum film type one-way valve |
| CN202597808U (en) * | 2012-05-18 | 2012-12-12 | 张海平 | Charging valve |
| CN202901403U (en) * | 2012-11-15 | 2013-04-24 | 张海平 | Gas inflation valve |
| CN203214973U (en) * | 2013-05-08 | 2013-09-25 | 广东恒基金属制品实业有限公司 | Improved filling valve |
| CN103591340A (en) * | 2012-10-18 | 2014-02-19 | 北京熊川阀门制造有限公司 | One-way valve |
| CN203516852U (en) * | 2013-11-11 | 2014-04-02 | 广东恒基金属制品实业有限公司 | Improved charging valve |
| CN204729686U (en) * | 2015-05-18 | 2015-10-28 | 苏州赛智达智能科技有限公司 | Low temperature filling valve in LNG storage tank |
-
2015
- 2015-05-18 CN CN201510250400.2A patent/CN104847928A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050229979A1 (en) * | 2004-04-19 | 2005-10-20 | R. Conrader Company | Elastomeric check valve |
| CN201236974Y (en) * | 2008-07-22 | 2009-05-13 | 宁波星箭航天机械厂 | Non-return valve |
| CN202360815U (en) * | 2011-11-17 | 2012-08-01 | 西安新竹实业有限责任公司 | Aluminum film type one-way valve |
| CN202597808U (en) * | 2012-05-18 | 2012-12-12 | 张海平 | Charging valve |
| CN103591340A (en) * | 2012-10-18 | 2014-02-19 | 北京熊川阀门制造有限公司 | One-way valve |
| CN202901403U (en) * | 2012-11-15 | 2013-04-24 | 张海平 | Gas inflation valve |
| CN203214973U (en) * | 2013-05-08 | 2013-09-25 | 广东恒基金属制品实业有限公司 | Improved filling valve |
| CN203516852U (en) * | 2013-11-11 | 2014-04-02 | 广东恒基金属制品实业有限公司 | Improved charging valve |
| CN204729686U (en) * | 2015-05-18 | 2015-10-28 | 苏州赛智达智能科技有限公司 | Low temperature filling valve in LNG storage tank |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221923A (en) * | 2015-08-24 | 2016-01-06 | 湖北三江航天红峰控制有限公司 | A kind of filling apparatus being applied to LNG bottle |
| CN106870778A (en) * | 2017-03-23 | 2017-06-20 | 罗达莱克斯阀门(上海)有限公司 | A kind of ultralow temperature filling valve |
| CN106870778B (en) * | 2017-03-23 | 2019-12-10 | 罗达莱克斯阀门(上海)有限公司 | valve for ultralow temperature filling |
| CN106996493A (en) * | 2017-06-09 | 2017-08-01 | 上海松科快换自动化股份有限公司 | A kind of split type banjo fixing butt jointing and its pin end and female joint |
| CN110573789A (en) * | 2018-01-30 | 2019-12-13 | 株式会社龙野 | Filling device |
| CN111891548A (en) * | 2019-05-06 | 2020-11-06 | 齐尔格拉斯投资有限责任公司 | Closing device and liquid container |
| CN111706688A (en) * | 2020-07-20 | 2020-09-25 | 杭州科技职业技术学院 | LNG ultra-low temperature valve |
| CN111706688B (en) * | 2020-07-20 | 2022-03-29 | 杭州科技职业技术学院 | LNG ultra-low temperature valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150819 |
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| RJ01 | Rejection of invention patent application after publication |