CN204693021U - A kind of LNG liquid addition machine safety protection device - Google Patents
A kind of LNG liquid addition machine safety protection device Download PDFInfo
- Publication number
- CN204693021U CN204693021U CN201520230982.3U CN201520230982U CN204693021U CN 204693021 U CN204693021 U CN 204693021U CN 201520230982 U CN201520230982 U CN 201520230982U CN 204693021 U CN204693021 U CN 204693021U
- Authority
- CN
- China
- Prior art keywords
- gas returning
- returning port
- lng
- valve
- filler
- 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.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 25
- 239000007789 gas Substances 0.000 claims abstract description 40
- 239000000945 filler Substances 0.000 claims abstract description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000005086 pumping Methods 0.000 claims abstract description 11
- 238000007664 blowing Methods 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000009792 diffusion process 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
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A kind of LNG liquid addition machine safety protection device, comprise blowing mouth, gas returning port, filling gun gun platform, filler, described blowing mouth is connected with nitrogen pot, described gas returning port is connected with return-air and removes storage tank, described filler is connected with LNG and carrys out self-pumping sled, described filling gun gun platform is connected with described gas returning port, the tie point of described filling gun gun platform and gas returning port goes between storage tank at described gas returning port and return-air, its beneficial effect is: monitor LNG liquid addition machine internal pressure and regulate, inner pipeline jointing construction is optimized simultaneously, prevent from occurring emptying phenomenon due to overpressure or occurring blast, extension device working life.
Description
Technical field
The utility model relates to LNG liquid addition machine technology field, particularly a kind of LNG liquid addition machine safety protection device.
Background technique
After a procedure, inside can retain a part of LNG to LNG liquid addition machine, and after long-time placement, LNG can gasify gradually, and the pressure of LNG liquid addition machine inside is increased.The liquid feeding process of LNG liquid addition machine originally needs to pressurize, if internal pressure is too high, then carry out pressurization will be dangerous, not only certain burden is caused to LNG liquid addition machine, affects working life, even there is explosion risk, there is potential safety hazard.
Model utility content
The purpose of this utility model is to solve the problem, and devises a kind of LNG liquid addition machine safety protection device.Specific design scheme is:
A kind of LNG liquid addition machine safety protection device; comprise and blow down mouth, gas returning port, filling gun gun platform, filler; described blowing mouth is connected with nitrogen pot; described gas returning port is connected with return-air and removes storage tank; described filler is connected with LNG and carrys out self-pumping sled; described filling gun gun platform is connected with described gas returning port, and the tie point of described filling gun gun platform and gas returning port goes between storage tank at described gas returning port and return-air.
Between described blowing mouth and nitrogen pot, described gas returning port and return-air goes between storage tank, described filler and LNG come self-pumping prize between be equipped with stop valve.
The tie point place of described filling gun gun platform and gas returning port is provided with valve sets, is provided with return-air flowmeter between described valve sets and gas returning port.
Described filler and LNG come self-pumping prize between air entraining valve, pressure transmitter, aerating flowmeter are installed.
Safety check is provided with between described gas returning port and return-air flowmeter, between described filling gun gun platform and valve sets.
Described gas returning port is connected by pipeline with filler, connecting tube between described gas returning port and filler is provided with safety valve, connected by pipeline between described safety valve, aerating flowmeter, air entraining valve, the two ends of described safety valve are parallel with relief valve by pipeline.
By a kind of LNG liquid addition machine safety protection device that above-mentioned design proposal of the present utility model obtains, its beneficial effect is:
LNG liquid addition machine internal pressure monitored and regulated, inner pipeline jointing construction is optimized simultaneously, preventing from occurring emptying phenomenon due to overpressure or occurring blast, extension device working life.
Accompanying drawing explanation
Fig. 1 is the structural representation of LNG liquid addition machine described in the utility model;
In figure, 1, blow down mouth; 2, gas returning port; 3, filling gun gun platform; 4, filler; 5, nitrogen pot; 6, return-air removes storage tank; 7, LNG carrys out self-pumping sled; 8, stop valve; 9, valve sets; 10, return-air flowmeter; 11, air entraining valve; 12, pressure transmitter; 13, aerating flowmeter; 14, safety check; 15, safety valve; 16, relief valve.
Embodiment
Below in conjunction with accompanying drawing, the utility model is specifically described.
Fig. 1 is the structural representation of a kind of LNG liquid addition machine safety protection device described in the utility model; as shown in Figure 1; a kind of LNG liquid addition machine safety protection device; comprise and blow down mouth 1, gas returning port 2, filling gun gun platform 3, filler 4; described blowing mouth 1 is connected with nitrogen pot 5; described gas returning port 2 is connected with return-air and removes storage tank 6; described filler 4 is connected with LNG and carrys out self-pumping sled 7; described filling gun gun platform 3 is connected with described gas returning port 2, and the tie point of described filling gun gun platform 3 and gas returning port 2 goes between storage tank 6 at described gas returning port 2 and return-air.
Between described blowing mouth 1 and nitrogen pot 5, described gas returning port 2 and return-air goes between storage tank 6, described filler 4 and LNG come self-pumping prize 7 between be equipped with stop valve 8.
Described filling gun gun platform 3 is provided with valve sets 9 with the tie point place of gas returning port 2, is provided with return-air flowmeter 10 between described valve sets 9 and gas returning port 2.
Described filler 4 and LNG come self-pumping prize 7 between air entraining valve 11, pressure transmitter 12, aerating flowmeter 13 are installed.
Safety check 14 is provided with between described gas returning port 2 and return-air flowmeter 10, between described filling gun gun platform 3 and valve thin 9.
Described gas returning port 2 is connected by pipeline with filler 4, connecting tube between described gas returning port 2 and filler 4 is provided with safety valve 15, connected by pipeline between described safety valve 15, aerating flowmeter 13, air entraining valve 11, the two ends of described safety valve 15 are parallel with relief valve 16 by pipeline.
After LNG carries out liquid feeding by liquid filler pipeline, LNG can be full of in pipeline, the long-time placement force of LNG can constantly raise, when pressure is increased to relief valve 16 opening point, LNG can get back to LNG storage tank by relief valve 16, gas returning port 2, prevent liquid feeding pipe-line system from carrying out emptying because of LNG pressure is too high, user is caused damage.Equally, when aerating pipeline inner pressure too high (reaching the numerical value 1.6MPa preset) or relief valve 16 damages time, safety valve 15 is opened, play emergency diffusion protection pipeline effect.
Technique scheme only embodies the optimal technical scheme of technical solutions of the utility model; those skilled in the art all embody principle of the present utility model to some variations that wherein some part may be made, and belong within protection domain of the present utility model.
Claims (4)
1. a LNG liquid addition machine safety protection device, comprise and blow down mouth (1), gas returning port (2), filling gun gun platform (3), filler (4), it is characterized in that, described blowing mouth (1) is connected with nitrogen pot (5), described gas returning port (2) is connected with return-air and removes storage tank (6), described filler (4) is connected with LNG and carrys out self-pumping sled (7), described filling gun gun platform (3) is connected with described gas returning port (2), the tie point of described filling gun gun platform (3) and gas returning port (2) is positioned at described gas returning port (2) and return-air goes between storage tank (6), between described blowing mouth (1) and nitrogen pot (5), described gas returning port (2) and return-air go between storage tank (6), described filler (4) and LNG carry out self-pumping and prize between (7) and be equipped with stop valve (8), described filling gun gun platform (3) is provided with valve sets (9) with the tie point place of gas returning port (2), return-air flowmeter (10) is provided with between described valve sets (9) and gas returning port (2).
2. according to a kind of LNG liquid addition machine safety protection device described in claim 1; it is characterized in that, described filler (4) and LNG carry out self-pumping and prize between (7) and be provided with air entraining valve (11), pressure transmitter (12), aerating flowmeter (13).
3. according to a kind of LNG liquid addition machine safety protection device described in claim 1; it is characterized in that, between described gas returning port (2) and return-air flowmeter (10), between described filling gun gun platform (3) and valve sets (9), be provided with safety check (14).
4. according to a kind of LNG liquid addition machine safety protection device described in claim 1; it is characterized in that; described gas returning port (2) is connected by pipeline with filler (4); connecting tube between described gas returning port (2) and filler (4) is provided with safety valve (15); described safety valve (15), aerating flowmeter (13), air entraining valve are connected by pipeline between (11), and the two ends of described safety valve (15) are parallel with relief valve (16) by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520230982.3U CN204693021U (en) | 2015-04-13 | 2015-04-13 | A kind of LNG liquid addition machine safety protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520230982.3U CN204693021U (en) | 2015-04-13 | 2015-04-13 | A kind of LNG liquid addition machine safety protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204693021U true CN204693021U (en) | 2015-10-07 |
Family
ID=54233311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520230982.3U Expired - Fee Related CN204693021U (en) | 2015-04-13 | 2015-04-13 | A kind of LNG liquid addition machine safety protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204693021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076261A (en) * | 2020-08-17 | 2022-02-22 | 安瑞科(廊坊)能源装备集成有限公司 | Natural gas filling system and filling method |
-
2015
- 2015-04-13 CN CN201520230982.3U patent/CN204693021U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076261A (en) * | 2020-08-17 | 2022-02-22 | 安瑞科(廊坊)能源装备集成有限公司 | Natural gas filling system and filling method |
| CN114076261B (en) * | 2020-08-17 | 2023-12-19 | 安瑞科(廊坊)能源装备集成有限公司 | Natural gas filling system and filling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20190413 |