CN104214504A - Anti-frosting liquefied natural gas charging gun - Google Patents
Anti-frosting liquefied natural gas charging gun Download PDFInfo
- Publication number
- CN104214504A CN104214504A CN201410525935.1A CN201410525935A CN104214504A CN 104214504 A CN104214504 A CN 104214504A CN 201410525935 A CN201410525935 A CN 201410525935A CN 104214504 A CN104214504 A CN 104214504A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- receiver
- collar
- liquefied natural
- liquid feeding
- 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.)
- Granted
Links
- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 49
- 239000007789 gas Substances 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims description 47
- 230000001174 ascending effect Effects 0.000 claims description 36
- 210000000078 claw Anatomy 0.000 claims description 24
- 238000002347 injection Methods 0.000 claims description 19
- 239000007924 injection Substances 0.000 claims description 19
- 230000000452 restraining effect Effects 0.000 claims description 7
- 239000011435 rock Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 235000013351 cheese Nutrition 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 240000002129 Malva sylvestris Species 0.000 description 1
- 235000006770 Malva sylvestris Nutrition 0.000 description 1
- 241000486406 Trachea Species 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses an anti-frosting liquefied natural gas charging gun, comprising a charging tube, a sleeve and a lantern ring, wherein the sleeve is fixed on a sleeve base; the charging tube is fixed on a charging tube base, and connected to a gas source pipe; the sleeve is sleeved with the lantern ring; the wall of the front end of the sleeve is provided with a plurality of holes; grabbers are movably installed in the holes; when the lantern sleeve slides forwards on the sleeve, the lantern sleeve extrudes the front ends of the grabbers to enable the plurality of grabbers to fold inwards at the same time; when the lantern sleeve slides backwards on the sleeve, the lantern sleeve extrudes the rear ends of the grabbers to enable the plurality of grabbers to unfold outwards at the same time; a handle is hinged to each of two sides of the sleeve base, the two handles are respectively hinged to a connecting rod, the other end of each connecting rod is hinged to the corresponding one of two sides of the charging tube base, and a nozzle is arranged in the wall of the front end of the sleeve and connected to a high pressure air pipe. The anti-frosting liquefied natural gas charging gun is provided with a trip valve, and high pressure air injected by the nozzle is used for removing ice and frost at a bottle opening and a gun opening before and after charging, thus being convenient to operate, good in ice and frost removal effect and safe in use.
Description
Technical field
The present invention relates to a kind of liquefied natural gas filling device, especially relate to a kind of LNG Liquefied natural gas liquid feeding rifle with pressurized gas nozzle.
Background technique
The temperature of LNG Liquefied natural gas under liquid state is subzero 100 degree.LNG Liquefied natural gas will often proceed to another container from a container in storage and transportation process, gas consuming device is also equipped with air cylinder conventionally, LNG Liquefied natural gas is to the filling of gas consuming device air cylinder or other container, normally with liquid feeding rifle, injects in from container inlet to container.Although liquid feeding rifle head and container inlet have been taked heat insulation measures, liquid feeding rifle head and container inlet also unavoidably can cause low temperature when filling, when airborne water vapour contact liquid feeding rifle head and vessel port, will form frost.The frost of liquid feeding rifle head and container inlet is assembled morely will affect filling operation, therefore before each filling and after filling, all will clear up the frost of liquid feeding rifle head and container inlet, operate so more loaded down with trivial details, inefficiency.
The existing defrosting LNG Liquefied natural gas liquid feeding rifle Chinese utility model patent that for example patent No. is ZL201320780315.3, this patent discloses a kind of liquid feeding rifle that can melt LNG liquid feeding rifle muzzle frost, it comprises liquid feeding rifle rifle body, wherein, described liquid feeding rifle rifle body front end arranges muzzle, on described muzzle inwall, is provided with resistive heater; On described liquid feeding rifle rifle body, be provided with for connecting the explosion-proof relay box of external power supply, described explosion-proof relay box is connected with described resistive heater circuit, on described liquid feeding rifle rifle body, travel control switch and slidercrank mechanism are set, complete the extracting of described liquid feeding rifle rifle body liquid feeding, described slidercrank mechanism moves and touches described travel control switch, and described travel control switch is controlled described resistive heater heating.This patent is declared, on muzzle inwall, is provided with resistive heater, complete the extracting of liquid feeding rifle rifle body liquid feeding, slidercrank mechanism moves and touches travel control switch, travel control switch is controlled described resistive heater heating, has realized LNG liquid feeding rifle is defrosted completely, has improved the quality of next liquid feeding.This liquid feeding rifle that can melt LNG liquid feeding rifle muzzle frost is to adopt resistive heater heating power to melt liquid feeding rifle head and container inlet frost, because rock gas is flammable explosive gas, in liquid feeding rifle muzzle, electric heating wire is set, with electric heating wire energising, adds heating ablation frost dangerous.
Summary of the invention
In order to solve in prior art, liquid feeding rifle head and the container inlet frost of easily condensing, clear up loaded down with trivial details, adopt resistive heater heating power to melt liquid feeding rifle head and container inlet frost unsafe problem again, the invention provides another antifrost LNG Liquefied natural gas liquid feeding rifle, this antifrost LNG Liquefied natural gas liquid feeding rifle adopts the method for pressurized gas nozzle ejection pressurized gas, removes the frost that liquid feeding rifle head and container inlet condense, safe and reliable, cleaning effect is good.
The technological scheme that technical solution problem of the present invention adopts is: a kind of antifrost LNG Liquefied natural gas liquid feeding rifle, comprise ascending pipe, sleeve and the collar, described sleeve bottom arranges receiver, described sleeve is fixed on described receiver, there is circular hole at described receiver center, described ascending pipe is through the circular hole at described receiver center, and described ascending pipe can only move forward and backward and can not surrounding rock in described sleeve and described receiver; Described ascending pipe bottom arranges injection base, described ascending pipe is fixed on described injection base, described ascending pipe connects gas source pipe, the described collar is set on described sleeve, it is characterized in that: on described barrel forward end barrel, offer a plurality of holes, moveable mounting jaw hook in hole, the described collar is on described sleeve during to front slide, and the described collar pushes described claw hook front end makes a plurality of described claw hooks inwardly grab and close simultaneously; When the described collar slides backward on described sleeve, the described collar pushes described claw hook rear end outwards opens a plurality of described claw hooks simultaneously; Described receiver both sides hinged handle, difference articulated linkage on two described handles, the other end of two described connecting rods is hinged on respectively described injection base both sides; Between described injection base and the described collar, with push rod, be connected, between described receiver and described injection base, spring be set.
Wherein, described sleeve is a cheese, and nozzle internal diameter is slightly larger than gas consuming device air cylinder bottleneck external diameter, during liquid feeding described in jacket casing on bottleneck; Described ascending pipe is arranged in described sleeve, the described collar is arranged on outside described sleeve, the relatively described collar of described sleeve and described ascending pipe are static, the described collar is connected with injection base by push rod with described ascending pipe, and the described collar and described ascending pipe can move forward and backward on described sleeve.During liquid feeding first by described jacket casing on gas consuming device air cylinder bottleneck, by promoting described handle, drive the described claw hook of described collar reach extruding again, a plurality of described claw hooks close promptly bottleneck snap ring simultaneously, the described ascending pipe one-way valve backing down in bottleneck that protracts injects LNG Liquefied natural gas in bottle simultaneously.
As further improved technological scheme, in described barrel forward end barrel, nozzle is set, described nozzle is connected with high-pressure air pipe.
As further improved technological scheme, between described nozzle and described high-pressure air pipe, stroke valve is set, one end of described stroke valve is fixed on described receiver, and the other end of described stroke valve is fixed on described injection base.
As further improved technological scheme, described stroke valve comprises tracheae, lower tracheae, piston sleeve and piston rod, described upper tracheae is communicated with the cavity volume of described piston sleeve, described lower tracheae is communicated with the lower gas port in described piston rod, upper gas port in described piston rod is communicated with the cavity volume of described piston sleeve, on the inwall of described piston sleeve middle part, air drain is set, when described piston rod moves in described piston sleeve, when described upper gas port and described lower gas port arrive described air drain place simultaneously, described upper gas port and described lower gas port can be communicated with.
As further improved technological scheme, on described connecting rod, restraining groove is set, on described receiver, limited post is set, when described handle upwards promotes, described restraining groove is stuck on described limited post and plays position-limiting action.
The invention has the beneficial effects as follows: due to a kind of antifrost LNG Liquefied natural gas liquid feeding rifle of the present invention, at sleeve upper mounting jaw hook, during liquid feeding, with jacket casing both hands on air cylinder bottleneck, promoting forward handle makes claw hook hook bottleneck snap ring, simultaneously the ascending pipe one-way valve backing down in bottleneck that protracts injects LNG Liquefied natural gas in air cylinder, the both hands handle of pulling back after injection, when claw hook is thrown off bottleneck, stroke valve is opened, and nozzle ejection pressurized gas are removed the frost of bottleneck and muzzle.This antifrost LNG Liquefied natural gas liquid feeding rifle is easy to operate, and frost is removed effective, uses safety.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of the present invention while stopping using state.
Structural representation when Fig. 2 is liquid feeding of the present invention.
Fig. 3 is stroke valve structural representation.
In figure each reference character containing meaning: 1. gas source pipe; 2. high-pressure air pipe; 3. handle; 4. stroke valve; 5. receiver; 6. sleeve; 7. claw hook; 8. ascending pipe; 9. nozzle; 10. the collar; 11. push rods; 12. springs; 13. connecting rods; 14. inject base; 15. times tracheaes; 16. air drains; 17. times gas ports; Gas port on 18.; Tracheae on 19.; 20. piston sleeves; 21. piston rods; 22. restraining grooves; 23. limited posts.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, a kind of antifrost LNG Liquefied natural gas liquid feeding rifle, comprise ascending pipe 8, sleeve 6 and the collar 10, described sleeve 6 bottoms arrange receiver 5, described sleeve 6 is fixed on described receiver 5, there is circular hole at described receiver 5 centers, and described ascending pipe 8 is through the circular hole at described receiver 5 centers, and described ascending pipe 8 can only move forward and backward and can not surrounding rock in described sleeve 6 and described receiver 5; Described ascending pipe 8 bottoms arrange injects base 14, described ascending pipe 8 is fixed on described injection base 14, described ascending pipe 8 connects gas source pipe 1, the described collar 10 is set on described sleeve 6, on described sleeve 6 front end barrels, offer a plurality of holes, moveable mounting jaw hook 7 in hole, the described collar 10 is on described sleeve 6 during to front slide, and described claw hook 7 front ends of the described collar 10 extruding make a plurality of described claw hooks 7 inwardly grab and close simultaneously; When the described collar 10 slides backward on described sleeve 6, the described collar 10 extruding described claw hook 7 rear ends are outwards opened a plurality of described claw hooks 7 simultaneously; On 3, two described handles 3 of described receiver 5 both sides hinged handle, the other end of 13, two described connecting rods 13 of articulated linkage is hinged on respectively described injection base 14 both sides respectively; Between described injection base 14 and the described collar 10, with push rod 11, be connected, between described receiver 5 and described injection base 14, spring 12 be set.On described connecting rod 13, restraining groove 22 is set, on described receiver 5, limited post 23 is set, when described handle 3 upwards promotes, described restraining groove 22 is stuck on described limited post 23 and plays position-limiting action.In described sleeve 6 front end barrels, nozzle 9 is set, described nozzle 9 is connected with high-pressure air pipe 2.Between described nozzle 9 and described high-pressure air pipe 2, stroke valve 4 is set, one end of described stroke valve 4 is fixed on described receiver 5, and the other end of described stroke valve 4 is fixed on described injection base 14.Described stroke valve 4 comprises tracheae 19, lower tracheae 15, piston sleeve 20 and piston rod 21, described upper tracheae 19 is communicated with the cavity volume of described piston sleeve 20, the lower gas port 17 that described lower tracheae 15 is communicated with in described piston rod 21, upper gas port 18 in described piston rod 21 is communicated with the cavity volume of described piston sleeve 20, on described piston sleeve 20 middle part inwalls, air drain 16 is set, described piston rod 21 is when the interior motion of described piston sleeve 20, when described upper gas port 18 and described lower gas port 17 arrive described air drain 16 place simultaneously, described upper gas port 18 and described lower gas port 17 can be communicated with.
Wherein, described sleeve 6 is cheeses, and nozzle internal diameter is slightly larger than gas consuming device air cylinder bottleneck external diameter, during liquid feeding described in sleeve 6 be enclosed within on described bottleneck; Described ascending pipe 8 is arranged in described sleeve 6, the described collar 10 is arranged on outside described sleeve 6, the relatively described collar 10 of described sleeve 6 and described ascending pipe 8 are static, the described collar 10 is connected with injection base 14 by push rod 11 with described ascending pipe 8, and the described collar 10 and described ascending pipe 8 can move forward and backward on described sleeve 6.During liquid feeding, first described sleeve 6 is enclosed within on gas consuming device air cylinder bottleneck, by promoting described handle 3, drive the described claw hook 7 of the described collar 10 reach extruding again, a plurality of described claw hooks 7 close promptly bottleneck snap ring simultaneously, described ascending pipe 8 one-way valve backing down in bottleneck that protracts injects LNG Liquefied natural gas in bottle simultaneously.
During use, both hands are held described handle 3, described sleeve 6 is aimed to gas consuming device air cylinder bottleneck, and be enclosed within on bottleneck, both hands promote forward described handle 3, and now described stroke valve 4 is opened, and pressurized gas flow to described nozzle 9 from described high-pressure air pipe 2, by described nozzle 9, to bottleneck and described ascending pipe 8 top jet, remove the frost at bottleneck and described ascending pipe 8 tops; Both hands continue to promote forward described handle 3, the front end of the described claw hook 7 of the described collar 10 reach extruding, a plurality of described claw hooks 7 close promptly bottleneck snap ring simultaneously, described ascending pipe 8 one-way valve backing down in bottleneck that protracts injects LNG Liquefied natural gas in air cylinder simultaneously, and now described stroke valve 4 is closed.After liquid feeding, handle 3 described in both hands post-tensioning, now, the described collar 10 is the rear end of the described claw hook 7 of mobile extruding backward, and a plurality of described claw hooks 7 outwards open and depart from bottleneck snap ring simultaneously, and described ascending pipe 8 exits bottleneck, the closed check valve gas storage bottleneck in bottleneck; When described claw hook 7 departs from bottleneck snap ring, described stroke valve 4 is opened, and pressurized gas flow to described nozzle 9 from described high-pressure air pipe 2, by described nozzle 9, to bottleneck and described ascending pipe 8 top jet, remove the frost at bottleneck and described ascending pipe 8 tops.
Claims (5)
1. an antifrost LNG Liquefied natural gas liquid feeding rifle, comprise ascending pipe (8), sleeve (6) and the collar (10), described sleeve (6) bottom arranges receiver (5), described sleeve (6) is fixed on described receiver (5), there is circular hole at described receiver (5) center, described ascending pipe (8) is through the circular hole at described receiver (5) center, and described ascending pipe (8) can only move forward and backward and can not surrounding rock in described sleeve (6) and described receiver (5); Described ascending pipe (8) bottom arranges injects base (14), described ascending pipe (8) is fixed on described injection base (14), described ascending pipe (8) connects gas source pipe (1), the described collar (10) is set on described sleeve (6), it is characterized in that: on described sleeve (6) front end barrel, offer a plurality of holes, moveable mounting jaw hook (7) in hole, when the described collar (10) is gone up to front slide at described sleeve (6), the described collar (10) pushes described claw hook (7) front end makes a plurality of described claw hooks (7) inwardly grab and close simultaneously; When the described collar (10) slides backward on described sleeve (6), the described collar (10) pushes described claw hook (7) rear end outwards opens a plurality of described claw hooks (7) simultaneously; Described receiver (5) both sides hinged handles (3), the upper articulated linkage (13) respectively of described two handles (3), the other end of described two connecting rods (13) is hinged on respectively described injection base (14) both sides; Between described injection base (14) and the described collar (10), with push rod (11), be connected, between described receiver (5) and described injection base (14), spring (12) be set.
2. a kind of antifrost LNG Liquefied natural gas liquid feeding rifle according to claim 1, is characterized in that: in described sleeve (6) front end barrel, nozzle (9) is set, described nozzle (9) is connected with high-pressure air pipe (2).
3. a kind of antifrost LNG Liquefied natural gas liquid feeding rifle according to claim 2, it is characterized in that: between described nozzle (9) and described high-pressure air pipe (2), stroke valve (4) is set, it is upper that one end of described stroke valve (4) is fixed on described receiver (5), and the other end of described stroke valve (4) is fixed on described injection base (14).
4. a kind of antifrost LNG Liquefied natural gas liquid feeding rifle according to claim 3, it is characterized in that: described stroke valve (4) comprises tracheae (19), lower tracheae (15), piston sleeve (20) and piston rod (21), described upper tracheae (19) is communicated with the cavity volume of described piston sleeve (20), described lower tracheae (15) is communicated with the lower gas port (17) in described piston rod (21), upper gas port (18) in described piston rod (21) is communicated with the cavity volume of described piston sleeve (20), on the inwall of described piston sleeve (20) middle part, air drain (16) is set, when described piston rod (21) moves in described piston sleeve (20), described upper gas port (18) and described lower gas port (17) arrive described air drain (16) simultaneously while locating, described upper gas port (18) and described lower gas port (17) can be communicated with.
5. according to a kind of antifrost LNG Liquefied natural gas liquid feeding rifle described in claim 1,2,3 or 4, it is characterized in that: restraining groove (22) is set on described connecting rod (13), limited post (23) is set on described receiver (5), when described handle (3) upwards promotes, described restraining groove (22) is stuck on described limited post (23) and plays position-limiting action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410525935.1A CN104214504B (en) | 2014-10-01 | 2014-10-01 | Antifrost LNG Liquefied natural gas liquid feeding rifle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410525935.1A CN104214504B (en) | 2014-10-01 | 2014-10-01 | Antifrost LNG Liquefied natural gas liquid feeding rifle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104214504A true CN104214504A (en) | 2014-12-17 |
| CN104214504B CN104214504B (en) | 2015-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410525935.1A Active CN104214504B (en) | 2014-10-01 | 2014-10-01 | Antifrost LNG Liquefied natural gas liquid feeding rifle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104214504B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571650A (en) * | 2018-04-24 | 2018-09-25 | 安徽巨力能源有限公司 | A kind of safe loading system of liquefied gas station |
| KR101891640B1 (en) | 2017-05-02 | 2018-09-28 | (주)서흥테크 | Anti-frost stand for gas dispenser |
| CN110848561A (en) * | 2019-10-16 | 2020-02-28 | 北京航天试验技术研究所 | Liquid hydrogen filling device |
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| JP3732662B2 (en) * | 1997-11-14 | 2006-01-05 | エア プロダクツ アンド ケミカルズ インコーポレイテッド | Gas control device and set of separate modules to provide modular gas control device |
| CN200999959Y (en) * | 2007-01-19 | 2008-01-02 | 成都川空阀门有限公司 | LNG filling device |
| CN202381979U (en) * | 2011-12-29 | 2012-08-15 | 浙江机电职业技术学院 | Screw propulsion type liquid adding gun |
| CN203656566U (en) * | 2013-12-02 | 2014-06-18 | 青岛捷能高新技术有限责任公司 | Liquid feeding gun capable of thawing frost on muzzle of LNG (Liquefied Natural Gas) liquid feeding gun |
| CN203686569U (en) * | 2014-01-23 | 2014-07-02 | 吉林省经纬新能源科技有限公司 | Adjustable LNG liquid adding gun suitable for all refilling ports |
| CN203771022U (en) * | 2014-03-13 | 2014-08-13 | 任焕轩 | LNG filling gun |
-
2014
- 2014-10-01 CN CN201410525935.1A patent/CN104214504B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3732662B2 (en) * | 1997-11-14 | 2006-01-05 | エア プロダクツ アンド ケミカルズ インコーポレイテッド | Gas control device and set of separate modules to provide modular gas control device |
| CN200999959Y (en) * | 2007-01-19 | 2008-01-02 | 成都川空阀门有限公司 | LNG filling device |
| CN202381979U (en) * | 2011-12-29 | 2012-08-15 | 浙江机电职业技术学院 | Screw propulsion type liquid adding gun |
| CN203656566U (en) * | 2013-12-02 | 2014-06-18 | 青岛捷能高新技术有限责任公司 | Liquid feeding gun capable of thawing frost on muzzle of LNG (Liquefied Natural Gas) liquid feeding gun |
| CN203686569U (en) * | 2014-01-23 | 2014-07-02 | 吉林省经纬新能源科技有限公司 | Adjustable LNG liquid adding gun suitable for all refilling ports |
| CN203771022U (en) * | 2014-03-13 | 2014-08-13 | 任焕轩 | LNG filling gun |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101891640B1 (en) | 2017-05-02 | 2018-09-28 | (주)서흥테크 | Anti-frost stand for gas dispenser |
| CN108571650A (en) * | 2018-04-24 | 2018-09-25 | 安徽巨力能源有限公司 | A kind of safe loading system of liquefied gas station |
| CN110848561A (en) * | 2019-10-16 | 2020-02-28 | 北京航天试验技术研究所 | Liquid hydrogen filling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104214504B (en) | 2015-12-02 |
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Inventor after: Liu Yanxin Inventor before: Zhao Kuanxue |
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Effective date of registration: 20171214 Address after: Room 2, room 3, No. 178, Bei'an street, Dai Li District, Harbin, Heilongjiang Patentee after: Liu Yanxin Address before: 528000 Guangdong city of Foshan province Chancheng Pingyuan District No. 17 North Street, Room 202 Patentee before: Zhao Kuanxue |
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Effective date of registration: 20201209 Address after: 313000 fangqiaotou, Chuancun village, Zhili Town, Wuxing District, Huzhou City, Zhejiang Province Patentee after: Zhejiang Chuangwei New Material Co., Ltd Address before: 401120 Xiangshan Meizhu 9-8 Building, 66 Xingke 4th Road, Huixing Street, Yubei District, Chongqing Patentee before: Chongqing Qianduochang Technology Co.,Ltd. |
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