CN208579147U - A kind of automatic Regulation sled - Google Patents
A kind of automatic Regulation sled Download PDFInfo
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- CN208579147U CN208579147U CN201821076132.2U CN201821076132U CN208579147U CN 208579147 U CN208579147 U CN 208579147U CN 201821076132 U CN201821076132 U CN 201821076132U CN 208579147 U CN208579147 U CN 208579147U
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- valve
- shut
- low temperature
- storage tank
- lng storage
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Abstract
The utility model relates to a kind of automatic Regulation sleds, belong to gas pressure regulation technical field.The automatic Regulation sled is provided with pressurized construction and pressure reduction structure, the pressurized construction is provided with booster jar, liquefied natural gas is housed in the booster jar, low temperature stop valve is provided on the booster jar, low temperature check-valves is connected on the right side of the low temperature stop valve, the first shut-off valve in normally open is connected on the right side of the low temperature check-valves, self-supporting back-up valve is connected on the right side of first shut-off valve, the pressure reduction structure is provided with gas relief line, the 4th shut-off valve and the 5th shut-off valve being connected in series together are provided on the gas relief line, self-supporting dropping valve is provided between 4th shut-off valve and the 5th shut-off valve.The benificial effect of the utility model is to realizing the purpose for being pressurized and being depressurized to LNG storage tank at any time by pressurized construction and pressure reduction structure, the safety of LNG storage tank operation is improved, the utility model structure novel is easy to operate.
Description
Technical field:
The utility model relates to a kind of automatic Regulation sleds, belong to gas pressure regulation technical field.
Background technique:
In the energy resource structure in China, coal is widely used at present as main energy sources, but since coal was using
Damage ratio is more serious in journey, limits and uses in many fields, and with the fast development of clean energy resource LNG in recent years, LNG low temperature is true
There has also been unprecedented development grand occasions for empty tank and skid gasification station, it is well known that cryogenic vacuum storage tank only has pressure to continue
It could be safely operated in preset working pressure range, once the inner canister hypertonia or mistake of cryogenic vacuum storage tank
It is low, it will all constitute a threat to the even entire gasification station of storage tank itself.
Summary of the invention:
The technical problem to be solved by the utility model is to provide a kind of automatic Regulation sled, with solve to face in industry
Problem.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions: a kind of automatic Regulation
Sled is provided with LNG storage tank, and the LNG storage tank is connected with automatic Regulation sled, and the automatic Regulation sled is provided with pressurized construction and subtracts
Laminated structure, the pressurized construction are provided with booster jar, liquefied natural gas are housed in the booster jar, is provided on the booster jar
Low temperature stop valve is connected with low temperature check-valves on the right side of the low temperature stop valve, is connected with place on the right side of the low temperature check-valves
Self-supporting back-up valve, the self-supporting boosting are connected on the right side of the first shut-off valve of normally open, first shut-off valve
It is connected with the second shut-off valve on the right side of valve, the first booster, first booster are provided on the right side of second shut-off valve
Right side be provided with third shut-off valve, the third shut-off valve is connected in the LNG storage tank by connecting pipe, the third
Pressure gauge is additionally provided between shut-off valve and the LNG storage tank.
Preferably, the pressure reduction structure is provided with gas relief line, one end of the gas relief line is connected to the pressure
On table, be provided with the 4th shut-off valve and the 5th shut-off valve being connected in series together on the gas relief line, the 4th shut-off valve and
Self-supporting dropping valve is provided between 5th shut-off valve, the bottom of the 5th shut-off valve is additionally provided with discharge tube.
Preferably, spare discharge tube is provided between first booster and third shut-off valve, the spare row
It puts and is provided with spare shut-off valve on pipeline, the spare discharge tube is also connected to the bottom of the 5th shut-off valve.
Compared with prior art, the benificial effect of the utility model is to by pressurized construction and pressure reduction structure, realize with
When LNG storage tank is pressurized and is depressurized purpose, improve the safety of LNG storage tank operation, the utility model structure novel,
It is easy to operate.
Detailed description of the invention:
The present invention will be further described with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the utility model.
In figure: LNG storage tank 1；Pressurized construction 2；Booster jar 201；Low temperature stop valve 202；Low temperature check-valves 203；First section
Only valve 204；Self-supporting back-up valve 205；Second shut-off valve 206；First booster 207；Third shut-off valve 208；Pressure reduction structure 3；
Gas relief line 301；4th shut-off valve 302；5th shut-off valve 303；Self-supporting dropping valve 304；Pressure gauge 4；Spare discharge tube
5；Spare shut-off valve 501.
Specific embodiment:
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments: one kind according to figure 1
Automatic Regulation sled is provided with LNG storage tank 1, and the LNG storage tank 1 is connected with automatic Regulation sled, and the automatic Regulation sled is provided with increasing
Laminated structure 2 and pressure reduction structure 3.
In order to realize the purpose of pressurization, further, the pressurized construction 2 is provided with booster jar 201, the booster jar
Liquefied natural gas is housed in 201, is provided with low temperature stop valve 202, the right side of the low temperature stop valve 202 on the booster jar 201
Side is connected with low temperature check-valves 203, and the right side of the low temperature check-valves 203 is connected with the first shut-off valve in normally open
204, the right side of first shut-off valve 204 is connected with self-supporting back-up valve 205, and the right side of the self-supporting back-up valve 205 connects
It is connected to the second shut-off valve 206, the right side of second shut-off valve 206 is provided with the first booster 207, first booster
207 right side is provided with third shut-off valve 208, and the third shut-off valve 208 is connected to the LNG storage tank 1 by connecting pipe
On, pressure gauge 4 is additionally provided between the third shut-off valve 208 and the LNG storage tank 1.
In order to realize the purpose of decompression, the pressure reduction structure 3 is provided with gas relief line 301, and the one of the gas relief line 301
End is connected on the pressure gauge 4, and the 4th shut-off valve 302 and the 5th being connected in series together is provided on the gas relief line 301
Shut-off valve 303, is provided with self-supporting dropping valve 304 between the 4th shut-off valve 302 and the 5th shut-off valve 303, and the described 5th
The bottom of shut-off valve 303 is additionally provided with discharge tube.
In order to improve the safety of equipment, further, set between first booster 207 and third shut-off valve 208
It is equipped with spare discharge tube 5, spare shut-off valve 501 is provided on the spare discharge tube 5, the spare discharge tube 5 is also
It is connected to the bottom of the 5th shut-off valve 303.
The operation logic of the utility model is specifically described below by embodiment.
By taking normal 8 kilograms of LNG storage tanks 1 as an example, 1 operating pressure of LNG storage tank is generally 0.8MPa, and design pressure is
0.84MPa, ordinary circumstance set the cracking pressure of self-supporting back-up valve 205 as 0.3-0.5MPa, and self-supporting dropping valve 304 is opened
Opening pressure is 0.7-0.8MPa.
When pressure gauge 4 measures 1 pressure of LNG storage tank lower than 0.5MPa, low temperature stop valve 202 and self-supporting back-up valve 205
It opens simultaneously, the gas in booster jar 201 advances to self-supporting back-up valve 205 and boosts at this time, and is ended by third
Valve 208 enters in LNG storage tank 1, is inflated pressurization to LNG storage tank 1, when in LNG storage tank 1 pressure value reach setting value with
Afterwards, pressurized construction 2 stops pressurization, and low temperature stop valve 202 and self-supporting back-up valve 205 are closed immediately.
When pressure gauge 4 measures 1 pressure of LNG storage tank greater than 0.7MPa, self-supporting dropping valve 304 starts, in LNG storage tank 1
Gas from gas relief line 301 be discharged.
It is additionally provided with spare discharge tube 5, if 1 pressure of LNG storage tank is beyond setting numerical value, and pressure reduction structure 3 occurs
Failure, then with regard to being discharged by spare discharge tube 5, to improve the safety of equipment.
It is emphasized that: the above is only the preferred embodiment of the present utility model, not appoints to the utility model
What formal limitation, any simple modification made by the above technical examples according to the technical essence of the present invention, etc.
With variation and modification, it is still within the scope of the technical solutions of the present invention.
Claims (3)
1. a kind of automatic Regulation sled, is provided with LNG storage tank (1), the LNG storage tank (1) is connected with automatic Regulation sled, and feature exists
In: the automatic Regulation sled is provided with pressurized construction (2) and pressure reduction structure (3), and the pressurized construction (2) is provided with booster jar
(201), liquefied natural gas is housed in the booster jar (201), is provided with low temperature stop valve (202) on the booster jar (201),
It is connected with low temperature check-valves (203) on the right side of the low temperature stop valve (202), the right side connection of the low temperature check-valves (203)
There is the first shut-off valve (204) in normally open, is connected with self-supporting back-up valve on the right side of first shut-off valve (204)
(205), it is connected with the second shut-off valve (206) on the right side of the self-supporting back-up valve (205), second shut-off valve (206)
Right side is provided with the first booster (207), is provided with third shut-off valve (208) on the right side of first booster (207), described
Third shut-off valve (208) is connected on the LNG storage tank (1) by connecting pipe, the third shut-off valve (208) and described
Pressure gauge (4) are additionally provided between LNG storage tank (1).
2. automatic Regulation sled according to claim 1, it is characterised in that: the pressure reduction structure (3) is provided with gas relief line
(301), one end of the gas relief line (301) is connected on the pressure gauge (4), is provided on the gas relief line (301)
The 4th shut-off valve (302) being connected in series together and the 5th shut-off valve (303), the 4th shut-off valve (302) and the 5th shut-off valve
(303) it is provided between self-supporting dropping valve (304), the bottom of the 5th shut-off valve (303) is additionally provided with discharge tube.
3. automatic Regulation sled according to claim 2, it is characterised in that: first booster (207) and third cut-off
It is provided between valve (208) spare discharge tube (5), is provided with spare shut-off valve (501) on the spare discharge tube (5),
The spare discharge tube (5) is also connected to the bottom of the 5th shut-off valve (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821076132.2U CN208579147U (en) | 2018-07-09 | 2018-07-09 | A kind of automatic Regulation sled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821076132.2U CN208579147U (en) | 2018-07-09 | 2018-07-09 | A kind of automatic Regulation sled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208579147U true CN208579147U (en) | 2019-03-05 |
Family
ID=65508725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821076132.2U Active CN208579147U (en) | 2018-07-09 | 2018-07-09 | A kind of automatic Regulation sled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208579147U (en) |
-
2018
- 2018-07-09 CN CN201821076132.2U patent/CN208579147U/en active Active
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