CN110529731B - BOG recovery device of intelligent skid-mounted liquefied natural gas tank car - Google Patents
BOG recovery device of intelligent skid-mounted liquefied natural gas tank car Download PDFInfo
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- CN110529731B CN110529731B CN201910829239.2A CN201910829239A CN110529731B CN 110529731 B CN110529731 B CN 110529731B CN 201910829239 A CN201910829239 A CN 201910829239A CN 110529731 B CN110529731 B CN 110529731B
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- valve
- stop valve
- compressor
- air temperature
- electric stop
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- 238000011084 recovery Methods 0.000 title claims abstract description 34
- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 33
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 230000000740 bleeding effect Effects 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000006855 networking Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 239000005420 bog Substances 0.000 description 41
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000003345 natural gas Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/026—Special adaptations of indicating, measuring, or monitoring equipment having the temperature as the parameter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
- F17C9/02—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure with change of state, e.g. vaporisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses an intelligent skid-mounted BOG recovery device of a liquefied natural gas tank car, which comprises an air temperature type gasifier, a compressor, a metering device, a bleeding pipeline, a PLC control system and a remote transmission monitoring system, wherein the front end of an inlet of the air temperature type gasifier is provided with a manual gate valve and an electric stop valve A, the manual gate valve and the electric stop valve A are connected in series and are connected with the liquefied natural gas tank car through a low-temperature metal hose, the rear end of an outlet of the air temperature type gasifier is provided with an electric stop valve B, the rear end of the electric stop valve B is connected with the compressor and the metering device, the metering device is connected with a city gas pipe network through a check valve, and the PLC control system is connected with a pressure sensor, a temperature sensor, the electric stop valve A, an electric valve B, the compressor and the metering device and is connected with the remote transmission monitoring system through a communication protocol. The invention can automatically start and stop and record the running data of the device, thereby realizing remote monitoring.
Description
Technical Field
The invention relates to the technical field of BOG recovery, in particular to a skid-mounted BOG recovery device of a liquefied natural gas tank car.
Background
The loading pressure requirement of the liquefied natural gas tank wagon storage tank is not more than 0.2MPa, but the pressure in the tank wagon storage tank is generally about 0.45MPa after the tank wagon is unloaded, and in order to meet the loading requirement, a tank wagon owner mostly adopts an emptying mode to treat the BOG in the tank wagon. The treatment mode causes energy waste on one hand and increases the danger and environmental pollution in the process of discharging dangerous gas on the other hand.
Under the condition that the surrounding environment is provided with a natural gas pipe network, the BOG in the tank car is recovered by the merging of the nearby natural gas pipe network, the BOG recovery device which is commonly used at present comprises a gasifier, a compressor and a metering device, the recovery principle is that the BOG in the tank car is heated by the gasifier, and the BOG is merged into the nearby natural gas pipe network after being boosted by the compressor.
Therefore, there is a need for a BOG recovery device of an intelligent lng tank car, which can automatically control the start and stop of the BOG recovery device, monitor and record BOG recovery data in real time, and realize full-automatic operation of a BOG recovery process.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the device capable of intelligently recovering the BOG in the liquefied natural gas tank car, and the device has the functions of automatically starting and stopping, recording operation data, automatically paying BOG to recover gold and realizing remote monitoring.
In order to solve the technical problems, the invention provides an intelligent skid-mounted BOG recovery device of a liquefied natural gas tank car, which comprises an air temperature gasifier, a compressor, a metering device, a bleeding system, a PLC control system and a remote monitoring system, and is characterized in that: the intelligent control system is characterized in that a manual gate valve and an electric stop valve A are arranged at the front end of an inlet of the air-temperature gasifier, an electric stop valve B is arranged at the rear end of an outlet of the air-temperature gasifier, the compressor and the metering device are sequentially connected behind the electric stop valve B, the metering device is connected with a city gas pipe network through a check valve, a pressure sensor, a temperature sensor, the electric stop valve A, an electric valve, the electric stop valve B, the compressor and the metering device are connected on a PLC control system, the PLC control system is connected with a remote transmission monitoring system through a communication protocol, and data of the whole device in the operation process can be transmitted to the PLC control system and the remote transmission monitoring system, so that remote recording and control are realized.
Furthermore, the manual gate valve and the electric stop valve A are connected in series, are connected with the liquefied natural gas tank through low-temperature metal hoses, and are connected through flanges.
Further, the manual gate valve, the electric stop valve A, the air temperature type gasifier, the electric stop valve B, the compressor, the metering device, the check valve and the urban gas pipe network are connected through stainless steel seamless steel pipes, and the pipe fittings are connected with the equipment in a flange connection mode.
Further, a pressure sensor is arranged at the rear end of the electric stop valve A, a temperature sensor and a pressure sensor are arranged at the outlet of the air temperature type gasifier, and a pressure sensor is arranged at the rear end of the compressor.
Further, the manual gate valve at the front end of the air temperature type gasifier is in a normally open state, a valve can be manually closed in emergency, air inlet of the air temperature type gasifier is controlled by an electric stop valve A, after the liquefied natural gas tank wagon is connected with the device, a starting button is pressed, the electric stop valve A is opened, a pressure sensor at the front end of an inlet of the air temperature type gasifier is connected with a PLC control system and is used for recording inlet pressure of the air temperature type gasifier, the electric stop valve A is connected with the PLC control system, and when the inlet pressure of the gasifier is less than or equal to 0.19MPa, the electric stop valve A is automatically closed.
Further, the pressure sensor and the temperature sensor at the rear end of the outlet of the air-temperature type gasifier are connected with the PLC control system and used for controlling the switch of the electric stop valve B and the compressor, when the pressure at the rear end of the outlet of the air-temperature type gasifier is more than 0.19MPa and less than or equal to 20 ℃ and less than or equal to 40 ℃, the electric stop valve B is opened, the compressor is started, and when the pressure is less than or equal to 0.19MPa or the temperature is less than or equal to-20 ℃ and the temperature is more than 40 ℃, the electric stop valve B is closed, and the compressor is stopped.
Further, the pressure sensor at the rear end of the compressor outlet is connected with the PLC control system and used for recording the pressure of the compressor outlet, and when the pressure of the compressor outlet exceeds 1.2 times of the operating pressure of the pipe network, the PLC control system is used for controlling the compressor to stop.
Further, the air temperature type gasifier is also connected with a bleeding pipeline in front and back, an electric valve and a safety valve are arranged on the bleeding pipeline, and the valve and the safety valve are started in time when the pressure of the bleeding pipeline exceeds the bleeding pressure, so that the operation safety of the system is ensured.
Furthermore, the metering device is used for recording the quantity of BOGs in each recovered liquefied natural gas tank car, remote metering and recording of the quantity of BOGs recovered are realized through the PLC control system, meanwhile, a charging system is arranged in the PLC control system, a unit price setting module is arranged in the charging system, the unit price (unit: unit/standard party) of the recovered BOGs is manually input in the background of the PLC in the operation process, the amount of the recovered BOGs of each tank car can be automatically calculated, two-dimension codes with corresponding amounts are generated in a networking mode, and a tank car owner can have BOG recovery gold with corresponding amounts to enter a car owner account by scanning the two-dimension codes through a mobile phone.
Furthermore, the intelligent skid-mounted BOG recovery device for the liquefied natural gas tank cars can be connected in parallel, and is uniformly controlled by a remote monitoring system to form a set of large BOG recovery system, so that BOGs in the liquefied natural gas tank cars are recovered simultaneously.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, the residual BOG in the liquefied natural gas tank car is warmed up through the air-temperature type gasifier, and then is merged into a nearby urban gas pipe network after being boosted by the compressor, the starting and stopping of the device can be automatically controlled in the recovery process, the operation data of the device can be automatically recorded, the BOG recovery gold system required to be paid to the tank car owner can be automatically paid in a two-dimension code mode, meanwhile, remote monitoring can be carried out in real time, and the on-site manual operation is effectively reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Reference numerals in the drawings:
1-hand gate valve 2-electric stop valve A3-air temperature type gasifier
4-Electric stop valve B5-compressor 6-metering device
7-Check valve 8-electric valve 9-safety valve
10-Diffusing pipeline 11-low-temperature metal hose 12-PLC control system
13-Remote monitoring system 14-urban gas pipe network 15-liquefied natural gas tank car.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the attached drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Referring to fig. 1, an intelligent skid-mounted BOG recycling device for a liquefied natural gas tank car comprises an air temperature type gasifier 3, a compressor 5, a metering device 6, a diffusing pipeline 10, a PLC control system 12 and a remote transmission monitoring system 13, wherein the front end of an inlet of the air temperature type gasifier 3 is provided with a manual gate valve 1 and an electric stop valve A2, the manual gate valve 1 and the electric stop valve A2 are connected in series, the intelligent skid-mounted BOG recycling device is connected with the liquefied natural gas tank car 15 through a low-temperature metal hose 11, the rear end of an outlet of the air temperature type gasifier 3 is provided with an electric stop valve B4, the compressor 5 and the metering device 6 are sequentially connected behind the electric stop valve B4, and the metering device 6 is connected with a city gas pipe network through a check valve 7.
Specifically, the manual gate valve 1, the electric stop valve A2, the air-temperature gasification 3, the electric stop valve B4, the compressor 5, the metering device 6, the check valve 7 and the urban gas pipe network are connected through stainless steel seamless steel pipes, and the pipe fittings are connected with the equipment in a flange connection mode.
Specifically, the rear end of the electric stop valve A2 is provided with a pressure sensor P1, the outlet of the air temperature type gasifier 3 is provided with a temperature sensor T1 and a pressure sensor P2, and the rear end of the compressor 5 is provided with a pressure sensor P3.
Specifically, the manual gate valve 1 in the front end of the air temperature type gasifier 3 is in a normally open state, a valve can be manually closed in emergency, air intake of the air temperature type gasifier 3 is controlled by the electric stop valve A2, after the liquefied natural gas tank wagon 15 is connected with the device, a start button is pressed, the electric stop valve A2 is opened, the pressure sensor P1 in the front end of the inlet of the air temperature type gasifier 3 is connected with the PLC control system 12 and used for recording the pressure of the inlet of the air temperature type gasifier 3, the electric stop valve A2 is connected with the PLC control system 12, and when the pressure of the inlet of the air temperature type gasifier 3 is less than or equal to 0.19MPa, the electric stop valve A2 is automatically closed.
Specifically, the pressure sensor P2 and the temperature sensor T1 at the rear end of the outlet of the air-temperature type gasifier 3 are connected with the PLC control system 12 and used for controlling the switch of the electric stop valve B4 and the compressor 5, when the pressure at the rear end of the outlet of the air-temperature type gasifier 3 is more than 0.19MPa and less than or equal to 20 ℃ and less than or equal to 40 ℃, the electric stop valve B4 is opened, the compressor 5 is started, and when the pressure is less than or equal to 0.19MPa or the temperature is less than or equal to-20 ℃ and the temperature is more than 40 ℃, the electric stop valve B4 is closed, and the compressor 5 is stopped.
Specifically, the pressure sensor P3 at the rear end of the outlet of the compressor 5 is connected to the PLC control system 12, and is used for recording the outlet pressure of the compressor 5, and when the outlet pressure of the compressor 5 exceeds 1.2 times of the operating pressure of the pipe network, the PLC control system 12 controls the compressor 5 to stop.
Specifically, the air temperature type gasifier 3 is also connected with a bleeding pipeline 10 in front and back, the bleeding pipeline 10 is provided with an electric valve 8 and a safety valve 9, and when the pressure of the bleeding pipeline 10 exceeds the bleeding pressure, the electric valve 8 and the safety valve 9 are started in time, so that the operation safety of the system is ensured.
Specifically, the metering device 6 is configured to record the quantity of BOG in each lng tank truck, remotely meter and record the quantity of BOG recovered by the PLC control system 12, and meanwhile, a charging system is provided in the PLC control system 12, and a unit price setting module is provided in the charging system, and in the operation process, the unit price (unit: meta/standard) of the recovered BOG is manually input in the PLC background, so that the amount of BOG recovered by each tank truck can be automatically calculated, two-dimension codes of corresponding amount are generated in a networking manner, and the tank truck owner can have the BOG recovered gold of corresponding amount to enter the truck owner account by scanning the two-dimension codes through a mobile phone.
Specifically, the PLC control system 12 is connected with pressure sensors P1, P2 and P3, a temperature sensor T1, an electric stop valve A2, an electric stop valve B4, a compressor 5, a metering device 6 and an electric valve 8, the PLC control system 12 is connected with the remote monitoring system 13 through a communication protocol, and data of the whole device in the running process can be transmitted to the PLC control system 12 and the remote monitoring system 13 to realize remote recording and control.
Specifically, the intelligent BOG recovery device can be connected in parallel with a plurality of BOG recovery devices, and the intelligent BOG recovery device is uniformly controlled by a remote monitoring system to form a set of large BOG recovery system, so that BOG in a plurality of liquefied natural gas tank cars is recovered simultaneously.
The working principle of the invention is as follows: when a start button is pressed, the electric stop valve A2 is automatically opened, BOG in the liquefied natural gas tank wagon 15 enters the air temperature type gasifier 3 to heat, the pressure of the pressure sensor P2 rises, a signal is transmitted to the PLC control system 12, the electric stop valve B4 and the compressor 5 are controlled to be opened, the BOG enters the urban gas pipe network 14 through the metering device 6 after being boosted by the compressor 5 and is transmitted to a downstream user, in the operation process, the BOG recovery amount metered by the metering device 6 is transmitted to the PLC control system 12, the system can automatically calculate BOG recovery gold, money is paid to a car owner account in the form of a two-dimensional code, and the device can realize on-site remote transmission monitoring through the setting of a communication protocol.
The above description is merely of preferred embodiments of the present invention, and the scope of the present invention is not limited to the above embodiments, but all equivalent modifications or variations according to the present disclosure will be within the scope of the claims.
Claims (7)
1. The utility model provides an intelligence sled dress formula liquefied natural gas tank wagon BOG recovery unit, includes air temperature formula gasifier (3), compressor (5), metering device (6), diffuses pipeline (10), PLC control system (12), teletransmission monitored control system (13), its characterized in that: the air temperature type gasifier is characterized in that a manual gate valve (1) and an electric stop valve A (2) are arranged at the front end of an inlet of the air temperature type gasifier (3), the manual gate valve (1) and the electric stop valve A (2) are connected in series, the manual gate valve (1) and the electric stop valve A (2) are connected with a liquefied natural gas tank car (15) through a low-temperature metal hose (11), an electric stop valve B (4) is arranged at the rear end of an outlet of the air temperature type gasifier (3), a compressor (5) and a metering device (6) are sequentially connected to the rear end of the electric stop valve B (4), the metering device (6) is connected with a city gas pipe network (14) through a check valve (7), a pressure sensor, a temperature sensor, an electric stop valve A (2), an electric valve B (4), the compressor (5) and the metering device (6) are connected to the PLC control system (12) and the remote monitoring system (13) through a communication protocol, and data in the whole device in the running process can be transmitted to the PLC control system (12) and the remote monitoring system (13) to realize remote recording and remote control;
The front end manual gate valve (1) of the air temperature type gasifier (3) is in a normally open state, a valve can be manually closed in emergency, air inlet of the air temperature type gasifier (3) is controlled by an electric stop valve A (2), after the liquefied natural gas tank wagon (15) is connected, a starting button is pressed down, the electric stop valve A (2) is opened, a front end pressure sensor of an inlet of the air temperature type gasifier (3) is connected with a PLC control system (12) and is used for recording the inlet pressure of the air temperature type gasifier (3), the electric stop valve A (2) is connected with the PLC control system (12), and when the inlet pressure of the air temperature type gasifier (3) is less than or equal to 0.19MPa, the electric stop valve A (2) is automatically closed;
The pressure sensor and the temperature sensor at the rear end of the outlet of the air temperature type gasifier (3) are connected with a PLC control system (12) and used for controlling the switch of an electric stop valve B (4) and a compressor (5), when the pressure at the rear end of the outlet of the air temperature type gasifier (3) is more than 0.19MPa and less than or equal to 20 ℃ and less than or equal to 40 ℃, the electric stop valve B (4) is opened, the compressor (5) is started, and when the pressure is less than or equal to 0.19MPa or the temperature is less than or equal to-20 ℃ and the temperature is more than 40 ℃, the electric stop valve B (4) is closed, and the compressor (5) is stopped.
2. The intelligent skid-mounted lng tank car BOG recovery device according to claim 1, wherein: the manual gate valve (1), the electric stop valve A (2), the air temperature type gasifier (3), the electric stop valve B (4), the compressor (5), the metering device (6), the check valve (7) and the urban gas pipe network (14) are connected through stainless steel seamless steel pipes.
3. The intelligent skid-mounted lng tank car BOG recovery device according to claim 1, wherein: the rear end of the electric stop valve A (2) is provided with a pressure sensor, the outlet of the air temperature type gasifier (3) is provided with a temperature sensor and a pressure sensor, and the rear end of the compressor (5) is provided with a pressure sensor.
4. The intelligent skid-mounted lng tank car BOG recovery device according to claim 1, wherein: the pressure sensor at the rear end of the outlet of the compressor (5) is connected with the PLC control system (12) and is used for recording the outlet pressure of the compressor (5), and when the outlet pressure of the compressor (5) exceeds 1.2 times of the operating pressure of a pipe network, the PLC control system (12) is used for controlling the compressor (5) to stop.
5. The intelligent skid-mounted lng tank car BOG recovery device according to claim 1, wherein: the air temperature type gasifier is characterized in that a bleeding pipeline (10) is further connected to the front and the back of the air temperature type gasifier (3), an electric valve (8) and a safety valve (9) are arranged on the bleeding pipeline (10), and the electric valve (8) and the safety valve (9) are started in time when the pressure of the bleeding pipeline (10) exceeds the bleeding pressure, so that the operation safety of the system is ensured.
6. The intelligent skid-mounted lng tank car BOG recovery device according to claim 1, wherein: the metering device (6) is used for recording the quantity of BOG in each liquefied natural gas tank car (15) recovered, remote metering and recording of the quantity of BOG recovered are achieved through the PLC control system (12), meanwhile, a charging system is arranged in the PLC control system (12), a unit price setting module is arranged in the charging system, the unit price of the recovered BOG is input in the background of the PLC manually in the operation process, the amount of the recovered BOG of each tank car can be automatically calculated, two-dimensional codes of corresponding amounts are generated in a networking mode, and tank car owners can have BOG recovery gold of corresponding amounts to enter car owner accounts through scanning the two-dimensional codes through mobile phones.
7. The intelligent skid-mounted lng tank car BOG recovery device according to claim 1, wherein: the BOG recovery device can be connected in parallel, is uniformly controlled by a remote monitoring system (13) to form a set of large BOG recovery system, and realizes simultaneous BOG recovery in a plurality of liquefied natural gas tank cars (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910829239.2A CN110529731B (en) | 2019-09-03 | 2019-09-03 | BOG recovery device of intelligent skid-mounted liquefied natural gas tank car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910829239.2A CN110529731B (en) | 2019-09-03 | 2019-09-03 | BOG recovery device of intelligent skid-mounted liquefied natural gas tank car |
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| Publication Number | Publication Date |
|---|---|
| CN110529731A CN110529731A (en) | 2019-12-03 |
| CN110529731B true CN110529731B (en) | 2024-04-19 |
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| CN201910829239.2A Active CN110529731B (en) | 2019-09-03 | 2019-09-03 | BOG recovery device of intelligent skid-mounted liquefied natural gas tank car |
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| CN206904591U (en) * | 2017-01-18 | 2018-01-19 | 佛山市汽车燃气有限公司 | A kind of LNG residual liquids recovery system |
| CN210920948U (en) * | 2019-09-03 | 2020-07-03 | 江苏鼎程新能源科技有限公司 | Intelligent skid-mounted BOG recovery device for liquefied natural gas tank car |
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| Publication number | Publication date |
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| CN110529731A (en) | 2019-12-03 |
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