CN112132383A - LNG tank fuel supply transaction method, transaction system and storage medium - Google Patents
LNG tank fuel supply transaction method, transaction system and storage medium Download PDFInfo
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- 239000000446 fuel Substances 0.000 title claims abstract description 184
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 48
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 54
- 239000007789 gas Substances 0.000 claims description 47
- 239000003345 natural gas Substances 0.000 claims description 27
- 238000004891 communication Methods 0.000 claims description 9
- 238000004590 computer program Methods 0.000 claims description 4
- 230000010365 information processing Effects 0.000 claims description 4
- 238000005457 optimization Methods 0.000 claims description 4
- 238000004088 simulation Methods 0.000 claims description 4
- 238000007710 freezing Methods 0.000 claims description 2
- 230000008014 freezing Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000009924 canning Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 238000013079 data visualisation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention provides a fuel supply transaction method for an LNG tank, which is characterized in that a vehicle using LNG as fuel sends LNG tank demand information to a fuel supply transaction system; the LNG tank fuel supply ship acquires LNG tank demand information sent by a vehicle taking LNG as fuel from a fuel supply transaction system through a network, confirms and appoints a transaction waypoint or a port according to the LNG tank demand information by combining the situation of the LNG tank demand information, and makes an electronic purchase contract on line; the LNG tank fuel supply ship completes filling of the LNG tank in advance according to the required liquid amount according to the electronic purchase contract and the time of arriving at an appointed transaction waypoint or port, so that the transaction time is shortened; the LNG tank fuel supply ship and the vehicle taking the LNG as the fuel meet at a contract trade waypoint to carry out a trade so as to complete the supply of the LNG tank fuel. The LNG fuel supply system can improve the fuel supply efficiency of LNG, and is beneficial to popularization of LNG clean energy in a wider range.
Description
Technical Field
The invention relates to the technical field of LNG tank fuel supply transaction, in particular to an LNG tank fuel supply transaction method and an LNG tank fuel supply transaction system.
Background
LNG is a new fuel with high safety, and has a higher ignition point and is more difficult to ignite than gasoline, diesel oil, and LPG; the lower explosive concentration limit is higher, resulting in a lower probability of explosion. In the transportation tool in the prior art, the mode of acquiring the LNG usually needs to depend on the supply of the gas station and is limited by strict construction approval of the gas station, the degree of freedom of the transportation tool taking the LNG as the fuel in the prior art when acquiring the fuel supply fuel is greatly restricted compared with the fuel supply of gasoline and diesel fuel, and the operation cost of the gas station is usually very high due to the influence of the gas station on the safety factor of the surrounding environment, so that the clean fuel is difficult to be popularized and applied in a large area in China. In the prior art, one part of gas sources of an LNG gas station depends on domestic exploitation, and the other part of gas sources of the LNG gas station depends on foreign import. Import access to LNG sources typically requires the use of LNG carriers. The existing LNG fuel supply mode needs to transfer LNG to an LNG receiving station at a port through a vehicle, and then safely transfer the LNG to a nearby gas station through a port freight channel, but the current wharf capable of providing gas filling service is very limited, and higher cost is also needed for upgrading the wharf.
In patent document CN104159816B, a floating body is disclosed, which adopts a mode of LNG container transportation to solve the technical problem of how to conveniently realize LNG logistics, but the distribution mode still inevitably depends on a port to distribute the arriving LNG sources to gas stations in various regions in a shunting manner to complete corresponding fuel supply operations; although the logistics efficiency of the LNG is improved to a certain extent in the operation mode, an LNG receiving station still needs to be established at a port so as to conveniently complete the canning of the container type LNG tank, and the logistics cost of the LNG is not reduced and the convenience is not improved from the fundamental link.
Therefore, it is an urgent need to solve the above technical problems by developing a convenient LNG tank fuel supply transaction method and an LNG tank fuel supply transaction system using the internet of things.
Disclosure of Invention
The invention aims to provide an LNG tank fuel supply transaction method and an LNG tank fuel supply transaction system, so that the operating cost of LNG gas source supply can be reduced, the waiting time of transportation equipment taking LNG as fuel for replenishing fuel is released, the operating efficiency is improved, and the use cost of LNG fuel after being canned is reduced.
In order to achieve the above object, the present invention provides a method for trading supply of LNG tank fuel, wherein an LNG tank fuel supply ship is provided with an LNG tank system and an LNG tank storage area; the LNG tank storage area is provided with a plurality of LNG tanks, and the LNG tank fuel supply ship is also provided with an LNG filling station and an LNG tank hoisting platform;
the method comprises the steps that a vehicle taking LNG as fuel sends LNG tank demand information to a fuel supply transaction system, wherein the LNG tank demand information comprises required liquid amount, price, a waypoint or a port of a planned route and time of passing the waypoint or the port;
the LNG tank fuel supply ship acquires LNG tank demand information sent by a vehicle taking LNG as fuel from a fuel supply transaction system through a network, confirms and appoints a transaction waypoint or a port according to the LNG tank demand information by combining the situation of the LNG tank demand information, and makes an electronic purchase contract on line;
the LNG tank fuel supply ship completes filling of the LNG tank in advance according to the required liquid amount according to the electronic purchase contract and the time of arriving at an appointed transaction waypoint or port, so that the transaction time is shortened;
the LNG tank fuel supply ship and the vehicle taking the LNG as the fuel meet at a contract trade waypoint to carry out a trade so as to complete the supply of the LNG tank fuel. The LNG tank fuel supply ship meets the LNG fueled vehicle at a designated sea area of the route to complete the LNG tank fuel supply transaction to obtain the profit, or the LNG tank fuel supply transaction is carried out for the LNG fueled transportation equipment at a port of the route to obtain the profit;
preferably, the LNG tank refueling vessel retrieves LNG tanks to be retrieved from LNG-fueled vehicles at the time of engagement with a transaction waypoint.
Preferably, the method further comprises the following steps: and when the LNG tank fuel supply ship and the vehicle taking the LNG as the fuel make an electronic purchase contract on line, synchronously freezing corresponding guarantees of one or both parties, or pre-receiving corresponding payment of the vehicle taking the LNG as the fuel.
Preferably, the purchase contract comprises the unit gas supply flow rate of the LNG tank, the required liquid amount of the LNG, and the shipping point or dock of the transaction and the required pressure of the LNG tank.
Preferably, the profit obtaining mode completes settlement according to the measured LNG usage and the selling price of the LNG by a flow meter arranged on the LNG tank.
Preferably, the LNG tank fuel supply vessel delivers the filled LNG tanks to an LNG gas station near the port via the port.
Preferably, the LNG tank fuel supply vessel is provided with a dedicated storage area for stocking recovered LNG tanks; when the LNG gas is re-filled, a recovered LNG tank having the remaining liquid amount and pressure closest to the required liquid amount and pressure is selected and subjected to secondary filling. Preferably, the method further comprises the following steps: the LNG fuel transportation equipment is provided with security check service to obtain profit.
Preferably, the LNG tank fuel supply vessel is provided with a dedicated storage area for stocking recovered LNG tanks; when the LNG gas is re-filled, a recovered LNG tank having the remaining liquid amount and pressure closest to the required liquid amount and pressure is selected and subjected to secondary filling.
The invention also provides a fuel supply transaction system of the LNG tank, which comprises a client terminal, a service terminal and an LNG transaction management server and is characterized by comprising the following contents:
the system comprises a client terminal, a LNG transaction management server and a LNG tank demand information processing system, wherein the client terminal is arranged on a vehicle using LNG as fuel, is used for communicating with the LNG transaction management server through a network, and sends the LNG tank demand information to the LNG transaction management server through the network, and the LNG tank demand information comprises required liquid amount, a waypoint or a port of a planned route, and time of passing the waypoint or the port;
the service terminal is arranged on the LNG tank fuel supply ship and used for communicating with the LNG transaction management server, receiving LNG tank demand information sent by the LNG transaction management server, confirming and appointing a transaction waypoint or a port according to the LNG tank demand information, establishing an electronic purchase contract on line, and informing the LNG tank fuel supply ship to plan scheduling in advance and perform on-demand filling according to the electronic purchase contract; informing an LNG transaction management server of the satellite positioning position, the liquid amount, the route waypoint and the time information of the current LNG tank fuel supply ship; and completion of the contracted electronic purchase contract;
the LNG transaction management server is used for registering and managing the client terminal and the service terminal; distinguishing the client terminal and the service terminal by using ID or identification codes respectively; receiving LNG tank demand information sent by a client terminal; receiving electronic purchase contract completion information sent by a service terminal, and satellite positioning position, liquid amount, destination, route waypoint and time information of the current ID; calculating a plurality of matched waypoints of the LNG tank fuel supply ship and the vehicle taking the LNG as fuel through navigation simulation, and informing a service terminal and a client terminal of suggestions after optimization;
preferably, the LNG tank fuel supply system further comprises an LNG tank fuel supply ship, wherein the LNG tank fuel supply ship is provided with an LNG tank storage area, an LNG tank filling station and an LNG tank lifting platform; a plurality of LNG tank boxes are stored in the LNG tank box storage area.
Preferably, the system further comprises a supply pump, a filling pipe interface, an evaporation gas recovery pipe interface, a spray pipe interface, a tank body safety valve interface and an LNG natural gas card meter which are arranged on the LNG tank, wherein the LNG natural gas card meter comprises a temperature instrument, a pressure instrument and a liquid level instrument which are used for monitoring the LNG storage tank, and is provided with a communication module which is used for communicating with the LNG transaction management server or communicating with the client terminal.
Preferably, the LNG natural gas card meter is further provided with a data card reader, and the data card reader is used for communicating with the LNG transaction management server or communicating with the client terminal by reading data in an adaptive data card.
Preferably, the LNG natural gas card meter is further provided with a control module, and the on-off of the gas supply of the LNG natural gas card meter is controlled according to the balance of the current use account.
Preferably, the LNG natural gas card table is further provided with a display module for displaying LNG pressure, temperature and residual available flow information in the LNG tank.
Preferably, the client terminal and the service terminal are further provided with a data card writing module, and the data card writing module is in communication connection with the LNG management server and is used for communication between the LNG management server and the LNG natural gas card table.
Preferably, the client terminal automatically updates the current position, speed, course and time information of the vehicle taking LNG as fuel to the LNG transaction management server at certain intervals;
preferably, the LNG transaction management server is provided with a payment gateway; and the LNG management server writes stored value information into the specified account according to the order number or the account id number returned by the payment gateway and the successful transaction information.
The present invention also provides a computer readable storage medium having a computer program stored thereon, wherein the computer program when executed by a processor implements the steps of a method for trading supply of LNG tank fuel as described above.
By providing the fuel supply transaction method for the LNG tanks, the number of the LNG stations on the land can be reduced, the construction cost of the LNG stations can be reduced, and even a land gas supply operation mode commonly adopted in coastal areas can be partially replaced, so that the operation cost of the LNG stations can be greatly reduced. The LNG gas returned to the country is purchased from abroad, and the fuel supply transaction can be directly completed with a ship or a carrier with a gas use demand in a designated sea area on the LNG tank fuel supply ship; or the filled LNG tank box is transported to a port by combining with the matched canning opportunity, and the filed transaction is carried out with the transportation equipment which arrives at the port and takes the LNG as the fuel; or the canned LNG tank box is distributed to an LNG gas station near the port through a port transportation channel to complete the current transaction, and the whole transaction link is simple to operate and easy to realize. During the use, directly install LNG tank box on the transportation equipment who uses LNG as fuel through the interface adaptation, whole set of easy operation safety is difficult for producing the potential safety hazard. Further, because the LNG tank fuel supply ship can accurately grasp the inflation time of the LNG tank according to user demands, the temperature and pressure loss of the LNG tank in the transportation process can be reduced, and the operation cost of the LNG tank fuel supply ship is greatly reduced.
Further, the invention can fully adapt to the current safe operation standard of LNG gas transaction by adopting the method of delivering the LNG tank to the LNG gas station near the port through the port of the LNG tank fuel supply ship.
Furthermore, by adopting the improved operation mode of the invention, the transportation equipment taking LNG as fuel can complete the fuel supply and reloading of the LNG tank box at the port, the operation steps involved at the port are only limited to the hoisting and reloading operations, namely, the canned LNG tank box is hoisted to the transportation equipment taking LNG as fuel from the LNG tank box fuel supply ship and the corresponding reloading operation is completed by means of a hoisting tool; then hoisting the reloaded LNG tank back to the LNG tank fuel supply ship; the whole operation process is not easy to cause LNG gas leakage, is simple and safe, is safer and more reliable than the original LNG filling operation, and greatly reduces the potential safety hazard during the fuel replenishing operation. In addition, as the filling link of the LNG tank is transferred to the sailing fuel supply ship of the LNG tank, the risk of accidental explosion of LNG can be further transferred to the sea surface, and the risk is safer and more reliable than the risk of accidental explosion of LNG on land with dense personnel.
Furthermore, the invention settles the actual liquid consumption of the transportation equipment taking LNG as fuel by adopting the flow meter arranged on the LNG tank box, thereby achieving scientific and reasonable charging effect; the user only needs to pay for the actual liquid consumption of the user, and does not need to pay extra cost for the residual gas in the LNG tank; the recovered LNG tank can be continuously recycled after secondary filling, so that the effective utilization rate of the LNG is greatly improved.
Furthermore, as the LNG tank fuel supply ship is usually provided with a maintenance team with relatively complete professional skills, the maintenance function of the maintenance team is reasonably utilized, the safety inspection service is provided for the transportation equipment taking the LNG as the fuel, and a new guarantee can be provided for the commercial operation of the LNG tank fuel supply ship.
Furthermore, the communication terminal on the LNG tank fuel supply ship can accurately estimate the total liquid volume and the gas supply pressure of the LNG tank to be required by the target customer by acquiring the total LNG demand of the target customer, the total future required operation mileage and the LNG tank demand pressure information, so that the preset LNG tank can be conveniently canned at a proper time, the transaction fuel supply time can be effectively shortened, the transaction efficiency of the LNG tank fuel supply ship is improved, and the use requirements of users are fully and efficiently met.
Furthermore, along with the further release of the state to the LNG tank transaction place, on the premise that the operation mode is safe and reliable, the LNG tank transaction efficiency can be greatly improved by selecting to trade the LNG tank in the designated sea area or the way port, the use requirement of efficient fuel supply of transportation equipment taking LNG as fuel is fully met, and powerful technical support is provided for the comprehensive popularization of LNG energy.
Further, a software management platform arranged on the LNG tank fuel supply ship can timely acquire LNG tank fuel demand information sent by the transportation equipment using LNG as fuel through the intelligent terminal, and prepares the LNG tank with the liquid amount and the pressure matched with each other for the transportation equipment at a proper time node according to the relevant information.
Furthermore, the recovered LNG tank having the optimum remaining liquid amount and pressure closest to the required liquid amount and pressure is preferably loaded on the LNG tank fuel supply ship to perform the secondary filling, so that the technical purpose of saving the energy consumption of the LNG tank fuel supply ship can be further achieved, and the reduction of the operation cost of the LNG tank fuel supply ship is facilitated.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The embodiments of the present invention will be described in detail below, and the embodiments described below by referring to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Example 1: a fuel supply transaction method for an LNG tank is characterized in that an LNG tank fuel supply ship is provided with an LNG storage tank system and an LNG tank storage area; the LNG tank storage area is provided with a plurality of LNG tanks, and the LNG tank fuel supply ship is also provided with an LNG filling station and an LNG tank hoisting platform;
the method comprises the steps that a vehicle taking LNG as fuel sends LNG tank demand information to a fuel supply transaction system, wherein the LNG tank demand information comprises required liquid amount, price, a waypoint or a port of a planned route and time of passing the waypoint or the port;
the LNG tank fuel supply ship acquires LNG tank demand information sent by a vehicle taking LNG as fuel from a fuel supply transaction system through a network, confirms and appoints a transaction waypoint or a port according to the LNG tank demand information by combining the situation of the LNG tank demand information, and makes an electronic purchase contract on line;
the LNG tank fuel supply ship completes filling of the LNG tank in advance according to the required liquid amount according to the electronic purchase contract and the time of arriving at an appointed transaction waypoint or port, so that the transaction time is shortened;
the LNG tank fuel supply ship and the vehicle taking the LNG as the fuel meet at a contract trade waypoint to carry out a trade so as to complete the supply of the LNG tank fuel. The LNG tank fuel supply ship meets the LNG fueled vehicle at a designated sea area of the route to complete the LNG tank fuel supply transaction to obtain the profit, or the LNG tank fuel supply transaction is carried out for the LNG fueled transportation equipment at a port of the route to obtain the profit;
the LNG tank fuel supply ship meets the LNG fueled vehicle at a designated sea area of the route to complete the LNG tank fuel supply transaction to obtain the profit, or the LNG tank fuel supply transaction is carried out for the LNG fueled transportation equipment at a port of the route to obtain the profit; the LNG tank fuel supply vessel synchronously recovers LNG tanks offloaded from LNG-fueled transport facilities when fuel supply is completed.
Preferably, the requirement information includes: the sailing mileage, the LNG natural gas flow consumed by unit mileage and the planned sailing time are measured; the LNG tank fuel supply ship reports the pressure matched with the demand and the supply quantity and the corresponding price of the LNG storage tank of the LNG storage amount to the demand requester through the network; and making a purchase contract with the ship with definite purchase intention in a network sign mode, wherein the protocol content comprises the following steps: appointing the number of LNG storage tanks with appointed canning pressure and LNG storage capacity and the number of LNG storage tanks to be recovered; a selling price of a single LNG storage tank under the canning parameters; the waypoint location or port at which to contract the transaction, and the contract time.
The LNG tank fuel supply ship pre-judges the operation time required for filling the LNG storage tanks with the appointed parameters and quantity before reaching the appointed trading sea area according to the position coordinates of the appointed trading sea area, so that the LNG tank fuel supply ship is guaranteed to reach the appointed trading sea area just when filling is completed, the temperature and pressure loss caused by storage of the LNG tank before trading after filling is reduced, and the operation cost is saved.
Under the above-mentioned operation mode, can partially even replace the operation mode of current coastal LNG gas station completely, can promote the popularization and the application of LNG fuel technique by a wide margin. Under the improved operation mode, the LNG natural gas obtained from an overseas import can be directly distributed and canned on an LNG tank fuel supply ship, and a designated transaction sea area or a port is only used for providing a place required for reloading the LNG tank, so that the safety of an LNG transaction place can be remarkably improved; further, because LNG tank fuel supply ship can be nimble on its preset air course for the ship that meets on the way provide the LNG fuel supply, can promote the duration that has now to use LNG as the ship of fuel by a wide margin, help realizing the popularization and the application of this clean energy further. In addition, the operating cost of the LNG tank fuel supply ship can be determined by the canning time of the LNG, so that the idle time of the canned LNG tank before transaction can be reduced to a greater extent in the mode, the temperature and pressure loss caused by the idle time can be reduced, and the operating cost of the LNG tank fuel supply ship can be greatly reduced. In addition, under the operation mode, the LNG tank fuel supply ship does not need to rely on a port gas station to store the LNG gas source in transportation, the function of the LNG tank fuel supply ship is equivalent to that a plurality of flowing LNG fuel supply stations are built on the sea, and great use convenience is provided for facilitating fuel supply of passing ships.
The method can reduce the number of the LNG gas stations on the land, reduce the construction cost of the LNG gas stations, even partially replace the land gas supply operation mode commonly adopted in coastal areas, and further greatly reduce the operation cost of the LNG gas stations. The LNG gas returned to the country is purchased from abroad, and the fuel supply transaction can be directly completed with a ship or a carrier with a gas use demand in a designated sea area on the LNG tank fuel supply ship; or the filled LNG tank box is transported to a port by combining with the matched canning opportunity, and the filed transaction is carried out with the transportation equipment which arrives at the port and takes the LNG as the fuel; or the canned LNG tank box is distributed to an LNG gas station near the port through a port transportation channel to complete the current transaction, and the whole transaction link is simple to operate and easy to realize. During the use, directly install LNG tank box on the transportation equipment who uses LNG as fuel through the interface adaptation, whole set of easy operation safety is difficult for producing the potential safety hazard. Further, because the LNG tank fuel supply ship can accurately grasp the inflation time of the LNG tank according to user demands, the temperature and pressure loss of the LNG tank in the transportation process can be reduced, and the operation cost of the LNG tank fuel supply ship is greatly reduced.
It should be noted that the carrier for supplying LNG is not limited to the LNG tank fuel supply ship, and it is claimed that the present application is applicable to any vehicle capable of carrying LNG supply equipment.
Example 2: an LNG tank fuel supply transaction system comprises a client terminal, a service terminal and an LNG transaction management server, and is characterized by comprising the following contents:
the system comprises a client terminal, a LNG transaction management server and a LNG tank demand information processing system, wherein the client terminal is arranged on a vehicle using LNG as fuel, is used for communicating with the LNG transaction management server through a network, and sends the LNG tank demand information to the LNG transaction management server through the network, and the LNG tank demand information comprises required liquid amount, a waypoint or a port of a planned route, and time of passing the waypoint or the port;
the service terminal is arranged on the LNG tank fuel supply ship and used for communicating with the LNG transaction management server, receiving LNG tank demand information sent by the LNG transaction management server, confirming and appointing a transaction waypoint or a port according to the LNG tank demand information, establishing an electronic purchase contract on line, and informing the LNG tank fuel supply ship to plan scheduling in advance and perform on-demand filling according to the electronic purchase contract; informing an LNG transaction management server of the satellite positioning position, the liquid amount, the route waypoint and the time information of the current LNG tank fuel supply ship; and completion of the contracted electronic purchase contract;
the LNG transaction management server is used for registering and managing the client terminal and the service terminal; distinguishing the client terminal and the service terminal by using ID or identification codes respectively; receiving LNG tank demand information sent by a client terminal; receiving electronic purchase contract completion information sent by a service terminal, and satellite positioning position, liquid amount, destination, route waypoint and time information of the current ID; calculating a plurality of matched waypoints of the LNG tank fuel supply ship and the vehicle taking the LNG as fuel through navigation simulation, and informing a service terminal and a client terminal of suggestions after optimization;
the LNG tank fuel supply ship is provided with an LNG tank storage area, an LNG canning station and an LNG tank hoisting platform; a plurality of LNG tank boxes are stored in the LNG tank box storage area.
The LNG transaction management system is characterized by further comprising an LNG card table arranged on the LNG tank box, wherein the LNG card table is provided with a communication module, and the communication module is used for communicating with the LNG transaction management server or indirectly communicating with the LNG transaction management server after communicating with the client terminal. The LNG natural gas card meter is further provided with a control module, and the on-off of the gas supply of the LNG natural gas card meter is controlled according to the balance of the current use account. The LNG natural gas card table is also provided with a display module for displaying LNG pressure, temperature and residual available flow information in the LNG tank.
The LNG tank fuel supply ship is provided with a special storage area for storing the recovered LNG tank; when the LNG gas is re-filled, a recovered LNG tank having the remaining liquid amount and pressure closest to the required liquid amount and pressure is selected and subjected to secondary filling. The recovered LNG tank having the optimum remaining liquid amount and pressure closest to the required liquid amount and pressure is subjected to the secondary filling on the LNG tank fuel supply ship, so that the technical purpose of saving the energy consumption of the LNG tank fuel supply ship can be further achieved, and the reduction of the operation cost of the LNG tank fuel supply ship is facilitated.
In the embodiment, the actual liquid consumption of the transportation equipment taking LNG as fuel is settled by adopting the flow meter arranged on the LNG tank, so that the scientific and reasonable charging effect can be achieved; the user only needs to pay for the actual liquid consumption of the user, and does not need to pay extra cost for the residual gas in the LNG tank; the recovered LNG tank can be continuously recycled after secondary filling, so that the effective utilization rate of the LNG is greatly improved.
And the profit obtaining mode completes settlement according to the LNG consumption measured by the flow meter arranged on the LNG tank and the selling price of the LNG. Because the LNG tank is along with increase and the ambient temperature influence of live time, its storage temperature and internal pressure can reduce gradually, cause certain influence to its duration, do not use the remaining residual gas of complete LNG tank to become user's economic burden after retrieving, adopt this settlement mode can abandon original tank purchase mode, only calculate the natural liquid volume that user's in-service use consumed, it will be fairly fair to compare original settlement mode, can save the unnecessary fund that consumes for LNG tank user. The residual gas in the recovered LNG tank can be recycled after secondary canning, no redundant waste is generated for a supplier, no redundant operation cost is generated, and the economic burden can be reduced for LNG users.
The service terminal arranged on the LNG tank fuel supply ship can timely acquire LNG tank demand information sent by the transport equipment using LNG as fuel through the client terminal, and prepares the LNG tank with the liquid quantity and the pressure matched with the LNG tank at a proper time node according to relevant information.
Example 3: the present embodiment provides an LNG tank fuel supply transaction system based on the above embodiments, including a client terminal, a service terminal, and an LNG transaction management server, and is characterized by including the following:
the system comprises a client terminal, a LNG transaction management server and a LNG tank demand information processing system, wherein the client terminal is arranged on a vehicle using LNG as fuel, is used for communicating with the LNG transaction management server through a network, and sends the LNG tank demand information to the LNG transaction management server through the network, and the LNG tank demand information comprises required liquid amount, a waypoint or a port of a planned route, and time of passing the waypoint or the port;
the service terminal is arranged on the LNG tank fuel supply ship and used for communicating with the LNG transaction management server, receiving LNG tank demand information sent by the LNG transaction management server, confirming and appointing a transaction waypoint or a port according to the LNG tank demand information, establishing an electronic purchase contract on line, and informing the LNG tank fuel supply ship to plan scheduling in advance and perform on-demand filling according to the electronic purchase contract; informing an LNG transaction management server of the satellite positioning position, the liquid amount, the route waypoint and the time information of the current LNG tank fuel supply ship; and completion of the contracted electronic purchase contract;
the LNG transaction management server is used for registering and managing the client terminal and the service terminal; distinguishing the client terminal and the service terminal by using ID or identification codes respectively; receiving LNG tank demand information sent by a client terminal; receiving electronic purchase contract completion information sent by a service terminal, and satellite positioning position, liquid amount, destination, route waypoint and time information of the current ID; calculating a plurality of matched waypoints of the LNG tank fuel supply ship and the vehicle taking the LNG as fuel through navigation simulation, and informing a service terminal and a client terminal of suggestions after optimization;
the LNG tank fuel supply ship is provided with an LNG tank storage area, an LNG canning station and an LNG tank hoisting platform; a plurality of LNG tank boxes are stored in the LNG tank box storage area.
The LNG transaction management system is characterized by further comprising an LNG card table arranged on the LNG tank box, wherein the LNG card table is also provided with a data card reader, and the data card reader is used for communicating with the LNG transaction management server by reading data in an adaptive data card; and the client terminal and the service terminal are also provided with data card writing modules, the data card writing modules are in communication connection with the LNG management server and are used for communication between the LNG management server and the LNG natural gas card meter, and written information is read by a data card reader of the LNG natural gas card meter. The LNG natural gas card meter is further provided with a control module, and the on-off of the gas supply of the LNG natural gas card meter is controlled according to the balance of the current use account.
The LNG natural gas card table is also provided with a display module for displaying LNG pressure, temperature and residual available flow information in the LNG tank. The display module is provided with at least one data visualization display module; the display module is provided with at least one display; the display module is in data connection with a display on a center console of the transportation equipment taking LNG as fuel.
When the LNG liquid level meter is used, the customer terminal or the service terminal purchases the LNG liquid level by using the data card writing module and writes recharging data into the data card; inserting the data card into an LNG natural gas card table to use the LNG natural gas liquid amount equal to the written data; the purchased LNG liquid amount can be consumed by replacing the LNG tank to continue to be used when the liquid amount that the LNG tank can provide is less than the surplus value in the LNG natural gas card meter. The user can access the LNG liquid amount recharging management server through the client terminal during the use period to check the LNG transaction purchasing information of the registered account at any time.
For simplicity of explanation, the method embodiments are described as a series of acts or combinations, but those skilled in the art will appreciate that the embodiments are not limited by the order of acts described, as some steps may occur in other orders or concurrently with other steps in accordance with the embodiments of the invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (16)
1. A fuel supply transaction method for an LNG tank is characterized by comprising the following steps:
the method comprises the steps that a vehicle taking LNG as fuel sends LNG tank demand information to a fuel supply transaction system, wherein the LNG tank demand information comprises required liquid amount, price, a waypoint or a port of a planned route and time of passing the waypoint or the port;
the LNG tank fuel supply ship acquires LNG tank demand information sent by a vehicle taking LNG as fuel from a fuel supply transaction system through a network, confirms and appoints a transaction waypoint or a port according to the LNG tank demand information by combining the situation of the LNG tank demand information, and makes an electronic purchase contract on line;
the LNG tank fuel supply ship completes filling of the LNG tank in advance according to the required liquid amount according to the electronic purchase contract and the time of arriving at an appointed transaction waypoint or port, so that the transaction time is shortened;
the LNG tank fuel supply ship and the vehicle taking the LNG as the fuel meet at a contract trade waypoint to carry out a trade so as to complete the supply of the LNG tank fuel.
2. The LNG tank fueling transaction method of claim 1, further comprising: the LNG tank fuel supply ship recovers LNG tanks needing to be recovered on vehicles taking LNG as fuel when a trading waypoint is appointed.
3. The LNG tank fueling transaction method of claim 1, further comprising: and when the LNG tank fuel supply ship and the vehicle taking the LNG as the fuel make an electronic purchase contract on line, synchronously freezing corresponding guarantees of one or both parties, or pre-receiving corresponding payment of the vehicle taking the LNG as the fuel.
4. The LNG tank fueling transaction method of claim 1, wherein the purchase contract comprises LNG tank feed gas flow unit price, LNG required liquid volume, point or terminal of transaction and LNG tank demand pressure.
5. The LNG tank fueling transaction method of claim 4, wherein the LNG tank fueling vessel delivers the filled LNG tank to an LNG station near the port via the port.
6. The LNG tank fueling transaction method of claim 1, wherein the LNG tank fueling ship is provided with a dedicated storage area for stocking recovered LNG tanks; when the LNG gas is re-filled, a recovered LNG tank having the remaining liquid amount and pressure closest to the required liquid amount and pressure is selected and subjected to secondary filling.
7. An LNG tank fuel supply transaction system comprises a client terminal, a service terminal and an LNG transaction management server, and is characterized by comprising the following contents:
the system comprises a client terminal, a LNG transaction management server and a LNG tank demand information processing system, wherein the client terminal is arranged on a vehicle using LNG as fuel, is used for communicating with the LNG transaction management server through a network, and sends the LNG tank demand information to the LNG transaction management server through the network, and the LNG tank demand information comprises required liquid amount, a waypoint or a port of a planned route, and time of passing the waypoint or the port;
the service terminal is arranged on the LNG tank fuel supply ship and used for communicating with the LNG transaction management server, receiving LNG tank demand information sent by the LNG transaction management server, confirming and appointing a transaction waypoint or a port according to the LNG tank demand information, establishing an electronic purchase contract on line, and informing the LNG tank fuel supply ship to plan scheduling in advance and perform on-demand filling according to the electronic purchase contract; informing an LNG transaction management server of the satellite positioning position, the liquid amount, the route waypoint and the time information of the current LNG tank fuel supply ship; and completion of the contracted electronic purchase contract;
the LNG transaction management server is used for registering and managing the client terminal and the service terminal; distinguishing the client terminal and the service terminal by using ID or identification codes respectively; receiving LNG tank demand information sent by a client terminal; receiving electronic purchase contract completion information sent by a service terminal, and satellite positioning position, liquid amount, destination, route waypoint and time information of the current ID; and calculating a plurality of matched waypoints of the LNG tank fuel supply ship and the LNG fueled vehicle through the navigation simulation, and informing the service terminal and the client terminal of suggestions after optimization.
8. The LNG tank fueling transaction system of claim 7 further comprising an LNG tank fueling ship, said LNG tank fueling ship provided with an LNG tank storage area, an LNG filling station, and an LNG tank lifting platform; a plurality of LNG tank boxes are stored in the LNG tank box storage area.
9. The LNG tank fueling transaction system of claim 7 further comprising a supply pump, a filler pipe interface, a boil-off gas recovery pipe interface, a shower pipe interface, a tank safety valve interface and an LNG natural gas card meter provided on the LNG tank, wherein the LNG natural gas card meter comprises a temperature meter, a pressure meter and a level meter for monitoring the LNG tank, and a communication module is provided for communicating with the LNG transaction management server or with the client terminal.
10. The LNG tank fueling transaction system of claim 9, wherein the LNG natural gas card meter is further provided with a data reader for communicating with the LNG transaction management server or the customer terminal by reading data in an adapter data card.
11. The LNG tank fuel supply transaction system according to claim 9, wherein the LNG natural gas card meter further comprises a control module for controlling the supply of gas to the LNG natural gas card meter according to the balance of the current usage account.
12. The LNG tank fueling transaction system of claim 9, wherein the LNG natural gas card further comprises a display module for displaying LNG pressure, temperature, remaining available flow information in the LNG tank.
13. The LNG tank fueling transaction system of claim 7, wherein the client terminal and the service terminal further comprise a data card write module, the data card write module being communicatively coupled to the LNG management server for communicating the LNG management server with the LNG natural gas card meter.
14. The LNG tank fueling transaction system of claim 7, wherein the client terminal automatically updates the LNG transaction management server with current location, speed, heading, and time information of the LNG-fueled vehicle at intervals.
15. The LNG tank fueling transaction system of claim 7 wherein the LNG transaction management server is provided with a payment gateway; and the LNG management server writes stored value information into the specified account according to the order number or the account id number returned by the payment gateway and the successful transaction information.
16. A computer-readable storage medium storing a computer program, wherein the computer program when executed by a processor implements the steps of a method for trading supply of LNG tank fuel according to any one of claims 1 to 6.
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| CN202010791336.XA CN112132383A (en) | 2020-08-07 | 2020-08-07 | LNG tank fuel supply transaction method, transaction system and storage medium |
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| CN202010791336.XA CN112132383A (en) | 2020-08-07 | 2020-08-07 | LNG tank fuel supply transaction method, transaction system and storage medium |
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