CN206221985U - A kind of liquefied natural gas gasifying pressure regulation metering system - Google Patents
A kind of liquefied natural gas gasifying pressure regulation metering system Download PDFInfo
- Publication number
- CN206221985U CN206221985U CN201621362165.4U CN201621362165U CN206221985U CN 206221985 U CN206221985 U CN 206221985U CN 201621362165 U CN201621362165 U CN 201621362165U CN 206221985 U CN206221985 U CN 206221985U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- pressure
- natural gas
- ball valves
- regulator
- 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
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A kind of liquefied natural gas gasifying pressure regulation metering system, including storage tank, air-bathing gasifier, regulator, metering device, it is characterised in that：The storage tank is linked in sequence air-bathing gasifier, regulator, metering device by pipeline, the storage tank is provided with liquid outlet, backflow import, the air-bathing gasifier, including feed tube, escaping pipe, the liquid outlet are connected by pipeline with feed tube, the escaping pipe is connected with three-way connection (pipe) road, first pipeline connection control valve, then be connected with backflow import, the second pipeline is in parallel with the first pipeline, second pipeline connects boost adjusted valve, then is connected with backflow import.The utility model metering device carries out accurate measurement to the flow of natural gas, avoids waste, cost-effective；Natural gas after by gasifier gasification leads back the upper storage space of storage tank, and the liquefied natural gas in tank is pressurized, and eliminates the design of conventional booster, has saved system cost, reduces system complexity.
Description
Technical field
The utility model is related to natural gas gasifying technical field, specially a kind of liquefied natural gas gasifying pressure regulation metering system
System.
Background technology
During liquefied natural gas enters gasifier from storage tank, when initial, because liquefied natural gas gravity is larger in tank,
Liquefied natural gas is easy to flow into gasifier from storage tank, and as liquefied natural gas is constantly reduced, storage tank liquid outlet outside pressure is big
Outflow is would become hard to, it is necessary to be pressurized to tank inside using booster in the liquefied natural gas in inside pressure, tank, increased system
Cost and system complexity；Because the pressure of pipe natural gas typically all can be higher than the pressure needed for user uses natural gas, this
It is accomplished by the pressure of pipe natural gas to drop to pressure of the user needed for.
The content of the invention
The technical problems to be solved in the utility model is to overcome existing defect, there is provided a kind of liquefied natural gas gasifying pressure regulation
Metering system, air-bathing gasifier makes liquified natural gas be gasified；Two pressure regulation pipelines arranged side by side in regulator are used
One opens a received shipment row, when the pressure regulator of operating pressure regulation pipeline breaks down, the ball valve that can be closed before and after pressure regulator, then
The ball valve supply before and after standby road pressure regulator is opened, while the maintenance of failure pressure regulator can be carried out conveniently, be can effectively ensure that natural
The safe way of gas；Metering device carries out accurate measurement to the flow of natural gas, avoids waste, cost-effective；Bathed by by sky
Natural gas after formula gasifier gasification leads back the upper storage space of storage tank, and the liquefied natural gas in tank is pressurized, and saves
The design of conventional booster, has saved system cost, reduces system complexity.
The technical solution of the utility model is：A kind of liquefied natural gas gasifying pressure regulation metering system, including storage tank, empty bath
Gasifier, regulator, metering device, it is characterised in that：The storage tank is linked in sequence air-bathing gasifier, pressure regulation by pipeline
Device, metering device, the storage tank are provided with liquid outlet, backflow import, the air-bathing gasifier, including feed tube, escaping pipe,
The liquid outlet is connected by pipeline with feed tube, and the escaping pipe is connected with three-way connection (pipe) road, the first pipeline connection control valve, then
With backflow import be connected, the second pipeline is in parallel with the first pipeline, the second pipeline connect boost adjusted valve, then with flow back import phase
Even, being linked in sequence on the 3rd pipeline has temperature transmitter, No. five ball valves, a pressure transmitters, is managed after a pressure transmitter
Road is connected with regulator, the regulator, including two pressure regulation pipelines arranged side by side, and each pressure regulation pipeline includes a ball
Valve, filter, pressure regulator, pressure gauge, diffusion valve, No. two ball valves, a ball valve are linked in sequence filter, pressure regulator, pressure
Power table, diffusion valve, No. two ball valves, two No. two ball valves are connected by pipeline after converging with metering device, the metering device, bag
Two pipelines arranged side by side are included, first pipeline includes No. three ball valves, flowmeter, diffusion valve, No. four ball valves, and No. three ball valve orders connect
Flowmeter, diffusion valve, No. four ball valves are connect, Article 2 pipeline includes No. three ball valves, and pipeline connects No. two pressure and becomes after metering device
Send device, gas consuming device.
The beneficial effects of the utility model are：The utility model provides a kind of liquefied natural gas gasifying pressure regulation metering system,
Air-bathing gasifier makes liquified natural gas be gasified；Two pressure regulation pipelines arranged side by side in regulator open a received shipment using one
OK, when the pressure regulator of operating pressure regulation pipeline breaks down, then the ball valve that can be closed before and after pressure regulator opens standby road
Ball valve supply before and after pressure regulator, while the maintenance of failure pressure regulator can be carried out conveniently, can effectively ensure that the safety confession of natural gas
Gas；Metering device carries out accurate measurement to the flow of natural gas, avoids waste, cost-effective；By by air-bathing gasifier gas
Natural gas after change leads back the upper storage space of storage tank, and the liquefied natural gas in tank is pressurized, and eliminates conventional supercharging
The design of device, has saved system cost, reduces system complexity.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In Fig. 1,1. storage tank, 2. air-bathing gasifier, 3. the 3rd pipeline, 4. regulator, 5. metering device, 6. No. two pressures
Power transmitter, 7. gas consuming device, 8. flow back import, 9. liquid outlet, 10. the first pipeline, 11. second pipelines, 12. control valves, 13.
Boost adjusted valve, 14. feed tubes, 15. escaping pipes, 16. temperature transmitters, 17. No. five ball valves, No. 18. pressure transmitters,
No. 41. ball valves, 42. filters, 43. pressure regulators, 44. pressure gauges, 45. diffusion valves, 46. No. two ball valves, 51. No. three ball valves,
52. flowmeters, 53. diffusion valves, 54. No. four ball valves.
Specific embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in figure 1, the utility model is a kind of liquefied natural gas gasifying pressure regulation metering system, including storage tank 1, empty bath
Gasifier 2, regulator 4, metering device 5, it is characterised in that：The storage tank 1 is linked in sequence air-bathing gasifier by pipeline
2nd, regulator 4, metering device 5, the storage tank 1 are provided with liquid outlet 9, backflow import 8, the air-bathing gasifier 2, including enter
Liquid pipe 14, escaping pipe 15, the liquid outlet 9 are connected by pipeline with feed tube 14, and the escaping pipe 15 is connected with three-way connection (pipe) road,
The connection control valve 12 of first pipeline 10, then be connected with backflow import 8, the second pipeline 11 is in parallel with the first pipeline 10, the second pipeline
11 connection boost adjusted valves 13, then be connected with backflow import 8, being linked in sequence on the 3rd pipeline 3 has 16, No. five balls of temperature transmitter
17, pressure transmitter 18 of valve, pipeline is connected with regulator 4 after a pressure transmitter 18, the regulator 4, bag
Include two pressure regulation pipelines arranged side by side, each pressure regulation pipeline include a ball valve 41, filter 42, pressure regulator 43, pressure gauge 44,
45, No. two ball valves 46 of diffusion valve a, ball valve 41 is linked in sequence filter 42, pressure regulator 43, pressure gauge 44, diffusion valve
45th, No. two ball valves 46, two No. two ball valves 46 are connected by pipeline after converging with metering device 5, the metering device 5, including
Two pipelines arranged side by side, first pipeline includes No. three ball valves 51, flowmeter 52,53, No. four ball valves 54 of diffusion valve, No. three ball valves
51 are linked in sequence flowmeter 52,53, No. four ball valves 54 of diffusion valve, and Article 2 pipeline includes No. three ball valves 51, are managed after metering device 5
Road connects No. two pressure transmitters 6, gas consuming devices 7.
The course of work of the present utility model：Liquified natural gas is transported to storage tank 1 using low-temperature tanker, is gasified using empty bath
Device 2 is gasified, energy saving, by taking mode of be linked in sequence between the heat exchanger tube being arranged side by side, realizes gasification efficiency
Improve, liquified natural gas is gasified；
When the regulator 4 runs, a ball valve 41 of the pressure regulation pipeline for using slowly is opened first, adjust pressure regulator 43
Pressure, open No. two ball valves 46 after pressure regulator 43, observe the reading of pressure gauge 44, outlet pressure is adjusted to required pressure
Power；When being broken down using the pressure regulator 43 on road, 41, No. two ball valves 46 of the ball valve closed before and after it are slowly opened standby
With a ball valve 41 on road；
When pressure cannot meet fluid pressure demand in liquefied natural gas storage tank 1, the escaping pipe 15 of air-bathing gasifier 2
In natural gas the upper space of liquefied natural gas storage tank 1 is back to by the first pipeline 10, to remaining liquid natural in storage tank 1
Gas is pressurized, and liquified natural gas is discharged to air-bathing gasifier 2, when pressure meets again in liquefied natural gas storage tank 1
During hydraulic coupling demand, the first pipeline 10 disconnects；
When the first pipeline 10 of unlatching still cannot meet fluid pressure demand, the second pipeline 11 is opened, adjusted using boosting
Section valve 13 is pressurized to natural gas, is passed to the second pipeline 11 and is back to the upper space of liquefied natural gas storage tank 1, to storage tank
Remaining liquified natural gas is pressurized in 1, liquified natural gas is discharged to air-bathing gasifier 2, when liquefied natural gas storage tank 1
Interior pressure meets when only needing the first pipeline 10 to go out liquid by being pressurized to liquefied natural gas storage tank 1 again, and the second pipeline 11 breaks
Open.
As can be seen here, the utility model provides a kind of liquefied natural gas gasifying pressure regulation metering system, and air-bathing gasifier makes
Liquified natural gas is gasified；Two pressure regulation pipelines arranged side by side in regulator open a received shipment row using one, when operating
When the pressure regulator of pressure regulation pipeline breaks down, the ball valve that can be closed before and after pressure regulator, before and after then opening standby road pressure regulator
Ball valve is supplied, while the maintenance of failure pressure regulator can be carried out conveniently, can effectively ensure that the safe way of natural gas；Metering device pair
The flow of natural gas carries out accurate measurement, avoids waste, cost-effective；Natural gas after by the way that air-bathing gasifier is gasified draws
The upper storage space of storage tank is gone back to, the liquefied natural gas in tank is pressurized, eliminate the design of conventional booster, saved
System cost, reduces system complexity.
Claims (1)
1. a kind of liquefied natural gas gasifying pressure regulation metering system, including storage tank, air-bathing gasifier, regulator, metering device,
It is characterized in that：The storage tank is linked in sequence air-bathing gasifier, regulator, metering device by pipeline, and the storage tank sets
There are liquid outlet, backflow import, the air-bathing gasifier, including feed tube, escaping pipe, the liquid outlet passes through pipeline and feed liquor
Pipe is connected, and the escaping pipe is connected with three-way connection (pipe) road, the first pipeline connection control valve, then is connected with backflow import, the second pipeline
It is in parallel with the first pipeline, the second pipeline connection boost adjusted valve, then be connected with backflow import, being linked in sequence on the 3rd pipeline has temperature
Degree transmitter, No. five ball valves, a pressure transmitters, pipeline is connected with regulator after a pressure transmitter, the pressure regulation
Device, including two pressure regulation pipelines arranged side by side, each pressure regulation pipeline include a ball valve, filter, pressure regulator, pressure gauge,
Diffusion valve, No. two ball valves, a ball valve are linked in sequence filter, pressure regulator, pressure gauge, diffusion valve, No. two ball valves, two
No. two ball valves are connected by pipeline after converging with metering device, the metering device, including two pipelines arranged side by side, first pipe
Road includes No. three ball valves, flowmeter, diffusion valve, No. four ball valves, and No. three ball valves are linked in sequence flowmeter, diffusion valve, No. four ball valves,
Article 2 pipeline includes No. three ball valves, and pipeline connects No. two pressure transmitters, gas consuming devices after metering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621362165.4U CN206221985U (en) | 2016-12-04 | 2016-12-04 | A kind of liquefied natural gas gasifying pressure regulation metering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621362165.4U CN206221985U (en) | 2016-12-04 | 2016-12-04 | A kind of liquefied natural gas gasifying pressure regulation metering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206221985U true CN206221985U (en) | 2017-06-06 |
Family
ID=58783413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621362165.4U Expired - Fee Related CN206221985U (en) | 2016-12-04 | 2016-12-04 | A kind of liquefied natural gas gasifying pressure regulation metering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206221985U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357163A (en) * | 2018-11-23 | 2019-02-19 | 中国石油工程建设有限公司 | A kind of gaseous ethane pipeline shutdown restarts system and method |
| CN109442216A (en) * | 2018-12-27 | 2019-03-08 | 浙江海畅气体有限公司 | A kind of nitrogen pressure regulating metering device |
| CN113757562A (en) * | 2021-08-24 | 2021-12-07 | 广东欧文莱陶瓷有限公司 | Natural gas supply system and natural gas environmental protection ceramic brick kiln |
-
2016
- 2016-12-04 CN CN201621362165.4U patent/CN206221985U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357163A (en) * | 2018-11-23 | 2019-02-19 | 中国石油工程建设有限公司 | A kind of gaseous ethane pipeline shutdown restarts system and method |
| CN109357163B (en) * | 2018-11-23 | 2023-10-03 | 中国石油工程建设有限公司 | System and method for stopping and restarting gaseous ethane pipeline |
| CN109442216A (en) * | 2018-12-27 | 2019-03-08 | 浙江海畅气体有限公司 | A kind of nitrogen pressure regulating metering device |
| CN113757562A (en) * | 2021-08-24 | 2021-12-07 | 广东欧文莱陶瓷有限公司 | Natural gas supply system and natural gas environmental protection ceramic brick kiln |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206221985U (en) | A kind of liquefied natural gas gasifying pressure regulation metering system | |
| CN105043886B (en) | A kind of natural gas pressure vessel carries out double dielectric testing devices of gas and water pressure experiment | |
| CN201992346U (en) | Liquefied natural gas injection machine | |
| CN102182916A (en) | Liquefied natural gas filling machine | |
| CN206338582U (en) | A kind of liquefied natural gas gasifying system | |
| CN207438131U (en) | A kind of carbon dioxide tank vehicle automatic charging device | |
| CN106838606A (en) | A kind of modularization, standardized small-sized LNG gasification station and its method for designing | |
| CN202580627U (en) | Liquefied natural gas feeding pry | |
| CN110007702B (en) | High-pressure and automatic-control aviation fuel test bed oil supply system | |
| CN208579151U (en) | A kind of filtering pressure regulation metering sled | |
| CN207648452U (en) | A kind of Simple bottle group filling apparatus filled by pump | |
| CN205979167U (en) | LNG vaporizing station of many storage tanks | |
| CN206290966U (en) | Removable bank base formula LNG loading systems | |
| CN206221973U (en) | A kind of liquefied natural gas gasifying voltage-regulating system | |
| CN213684559U (en) | Aircraft spout oil source pump test bench | |
| CN108131562A (en) | A kind of liquefied natural gas of controllable pressure is unloaded and storage tank supercharging device | |
| CN208901089U (en) | A kind of natural gas pressure regulating metering device | |
| CN210511034U (en) | CNG gas storage well CNG recovery system | |
| CN202649051U (en) | Hand-pressing type pipeline pressure test device | |
| CN203363667U (en) | Tank car ammonia unloading device of ammonia plant | |
| CN217178261U (en) | Reheating type low-temperature liquid pressurizing device | |
| CN206590068U (en) | A kind of throwing water installations for ship main auxiliary machine | |
| CN206404740U (en) | A kind of industrial chemicals continuous feed system | |
| CN203810034U (en) | Pipeline system of main-sub pot-type combined container | |
| CN201310743Y (en) | Underground-liquefied petroleum gas storage tank filling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170606 Termination date: 20211204 |