CN110774861A - Method for using liquid hydrogen for fuel cell cold-chain logistics vehicle - Google Patents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
- B60L58/32—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load
- B60L58/33—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load by cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/20—Refrigerated goods vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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Abstract
The invention designs a method for using liquid hydrogen for a fuel cell cold-chain logistics vehicle. The two liquid hydrogen tanks firstly enter the branch to be supplied to the refrigerated shelter (3) for use through the control of the electromagnetic valve, so that the shelter is kept at a refrigerated low temperature, the other part of liquid hydrogen is gasified and then mixed with gas hydrogen after heat exchange of the refrigerated shelter (3), and the gas hydrogen is subjected to heat exchange with the composite vaporizer (4) for temperature rise, is stored at a low pressure through the buffer tank (11), and is supplied according to the consumption required by the fuel cell (5). In addition, a large amount of heat is released during the operation of the fuel cell (5), and the mixed gas hydrogen with the temperature of minus 20 ℃ exchanges heat with high-temperature water caused by the fuel cell (5) in the composite vaporizer (4), so that the fuel cell (5) stably operates. The device makes full use of the liquid hydrogen and the cold energy of the ultralow temperature, and when the high-efficiency pollution-free cold-chain logistics vehicle is used for transportation, the liquid hydrogen absorbs heat and refrigerates with the cold-chain logistics vehicle, the liquid hydrogen cold energy is combined with the heat release of the fuel cell, and the high-efficiency utilization and cold energy utilization circulation of the liquid hydrogen are realized.
Description
Technical Field
The invention provides a method for using liquid hydrogen for a fuel cell cold-chain logistics vehicle, belonging to the field of hydrogen fuel cells.
Background
Nowadays, the economic science and technology of China are developed rapidly, the comprehensive national force is increasingly strong, and the living standard of people is greatly improved. However, the traditional fossil fuel mainly based on petroleum, which is the vitality for developing the 20 th century, is consumed in a large amount, and brings about many unprecedented harms, such as: environmental pollution, exhaustion of natural resources, and even local war problems caused by resource contention. However, in the world, one of the major petroleum consumptions is automobiles, which occupy 60% of the global petroleum resources, and the released COx, NOx, SOx, particulate matters and other atmospheric pollutants cause the global warming, and the environmental problems of acid rain, haze and the like occur. Organizations have paid much attention to this problem and have come out of relevant policies to seek new energy sources to replace traditional fossil fuels.
However, in the current stage, research mainly focuses on using hydrogen as a main power source, and the principle of the research is the reverse reaction of electrolyzed water, the product is electric energy and water, no harmful environmental substances are contained, and heat is generated at the same time. The energy conversion process of the hydrogen fuel cell does not involve combustion and is not limited by Carnot cycle, and the energy conversion rate is as high as 90%. The system has extremely high stability, can quickly respond no matter the system is in overload operation above rated power or in operation below the rated power, and has little change in efficiency. And the power generation efficiency can reach more than 50 percent without intermediate conversion of heat energy and mechanical energy (a generator).
And hydrogen exists in a liquid state at the temperature of minus 252.87 ℃, so that the cold energy of the hydrogen has good utilization advantage. Liquid hydrogen in a cold-chain logistics vehicle has great significance and value as an energy source, and has three main functions: introducing the refrigerated square cabin to keep the temperature of stored articles in the cabin low; introducing a fuel cell to enable the cold chain vehicle to generate electricity for operation; the heat exchange with water in the composite vaporizer makes the absorbing fuel cell release a great deal of heat. Therefore, the method for using liquid hydrogen for the fuel cell cold-chain logistics vehicle is provided, the low temperature of the cold cabin in the refrigeration square cabin is ensured in the pollution-free and high-energy-efficiency running process of the vehicle, and a large amount of heat emitted in the running process of the fuel cell is absorbed.
Disclosure of Invention
The invention aims to discover that liquid hydrogen has excellent cold energy at the temperature of minus 252.8 ℃ while utilizing hydrogen as an energy source, so that the liquid hydrogen is used for running and refrigerating a fuel cell cold-chain logistics vehicle, has great significance and value as an energy source of the cold-chain vehicle, not only greatly improves the energy utilization rate, but also keeps the low temperature of a cold chamber in a refrigerating square chamber in the running process of realizing zero emission, no pollution and high conversion rate of the vehicle, ensures the storage of cold chamber articles, and also absorbs a large amount of heat emitted in the running process of the fuel cell.
The invention adopts the following technical scheme:
a device for using liquid hydrogen for a fuel cell cold-chain logistics vehicle. The method comprises the following steps: the two liquid hydrogen output systems are used for providing sufficient liquid hydrogen, the first liquid hydrogen tank (1), a first hand valve (a2) for emergently controlling the output system of the first liquid hydrogen tank, a first pressure boost gasifier (9) and a first electromagnetic valve (a3) for controlling the output system of the first liquid hydrogen tank are connected in series through pipelines, the second liquid hydrogen tank (2), a second hand valve (b2) for emergently controlling the output system of the second liquid hydrogen tank, a second pressure boost gasifier (10) and a second electromagnetic valve (b3) for controlling the output system of the second liquid hydrogen tank are connected in series through pipelines, a third electromagnetic valve (a4) for controlling and filling the first liquid hydrogen tank is connected with the first liquid hydrogen tank (1), a fourth electromagnetic valve (b4) for controlling and filling the second liquid hydrogen tank is connected with the second liquid hydrogen tank (2), the first liquid hydrogen tank (1) and the second liquid hydrogen tank (2) are connected in parallel through two electromagnetic valves, firstly, the liquid hydrogen enters a branch to provide liquid hydrogen for a refrigeration cabin (3) to maintain cold storage, the branch of the system is composed of a third hand valve (c2) for emergently controlling liquid hydrogen in the cold cabin, a fifth electromagnetic valve (c3) for controlling liquid hydrogen to be input into the cold cabin, a refrigerating square cabin (3), a sixth electromagnetic valve (c4) for controlling liquid hydrogen to be output out of the cold cabin, the system enters a main road to maintain the operation of the cold chain vehicle, the main road is composed of a fourth hand valve (c1) for emergently controlling a power source of the cold chain vehicle, a composite vaporizer (4), a filter (d), a seventh electromagnetic valve (e) for controlling the output of the composite vaporizer (4), a one-way valve (f), a buffer tank (11), an eighth electromagnetic valve (g) for controlling the output of gas hydrogen of the buffer tank (11), a fuel cell (5) which are connected in series, a water tank (8), a water pump (7), a fifth hand valve (h) for emergently controlling a water thermal management system, a composite vaporizer (4), a ninth electromagnetic valve (i) for controlling the, The radiator (6) and the fuel cell (5) are connected in series to form a fuel cell water heat management system so as to realize cold energy utilization and circulation.
The method for utilizing the liquid hydrogen to the cold-chain logistics vehicle is characterized by comprising the following steps:
the first liquid hydrogen tank (1) and the second liquid hydrogen tank (2) are filled with liquid hydrogen under the control of a tenth electromagnetic valve (a1) and an eleventh electromagnetic valve (b1) which are used for controlling the liquid hydrogen tank to output the liquid hydrogen to a main path, the liquid hydrogen is boosted into a gaseous state through a booster gasifier in an inlet pipe due to gravity, the liquid hydrogen is controlled to enter the left ends of the first liquid hydrogen tank (1) and the second liquid hydrogen tank (2) through a first electromagnetic valve (a3) and a second electromagnetic valve (b3), the middle partition plate in the two liquid hydrogen tanks moves rightwards due to the fact that the pressure of the gas is increased and expanded along with the fact that the gas is filled in the tanks, the right ends in the two liquid hydrogen tanks are compressed to flow out of the liquid hydrogen, the liquid hydrogen is controlled to be converged in parallel pipes through a tenth electromagnetic valve (a1) and an eleventh electromagnetic valve (a2), the main path of the liquid hydrogen tank firstly enters a branch circuit to maintain the temperature required to be maintained by the refrigerated goods stored in the refrigerated shelter (3), and when the liquid hydrogen is sufficiently used for the goods storage in the shelter (3), the The hydrogen is mixed and enters a composite vaporizer (4).
When the cold-chain logistics vehicle is started to transport, the tenth electromagnetic valve (a1) and the eleventh electromagnetic valve (a2) control the first liquid hydrogen tank (1) and the second liquid hydrogen tank (2) to output liquid hydrogen, the liquid hydrogen after heat exchange of the refrigeration square cabin (3) is mixed and enters the composite vaporizer (4), firstly, heat exchange is carried out on the liquid hydrogen and air, and then, heat exchange is carried out on the gas hydrogen and water after heat exchange. The temperature of the gas hydrogen after heat exchange is increased, the purity requirement of the hydrogen used by the fuel cell (5) is higher, the gas hydrogen after heat exchange is firstly filtered by the filter (d), then enters the buffer tank (11) for low-pressure storage after entering the one-way valve (f) through the control of the seventh electromagnetic valve (e), and finally is supplied to the fuel cell (5) for use through the control of the eighth electromagnetic valve (g) according to the demand of the fuel cell (5) so as to ensure the running of the vehicle.
In a water heating management system comprising a water tank (8), a water pump (7), a fifth hand valve (h) of an emergency control water heat management system, a composite vaporizer (4), a ninth electromagnetic valve (i) for controlling the output of the composite vaporizer (4) to a branch, a radiator (6) and a fuel cell (5), before entering the composite vaporizer (4), hydrogen exchanges heat with high-temperature water caused by heat release of the fuel cell in the composite vaporizer (4) in a gaseous state, and the heat released by the operation of the fuel cell (5) is neutralized by using cold energy existing at negative liquid hydrogen of 252.87 ℃.
When the fuel cell cold-chain logistics vehicle is in a transportation and driving process, the heat absorption of liquid hydrogen is equal to the sum of the heat release of the cold cabin to the environment, the heat release of air to the liquid hydrogen and the heat dissipation of the fuel cell, the scheme utilizes the cold energy of the liquid hydrogen at negative 252.87 ℃ while utilizing the hydrogen as the energy source to a great extent, so that the liquid hydrogen is used for running and refrigerating the fuel cell cold-chain logistics vehicle, the liquid hydrogen has great significance and value as the energy source of the cold-chain logistics vehicle, the energy utilization rate is improved to a great extent, the low temperature of the cold cabin in the refrigerating square cabin is kept in the running process of realizing zero emission, no pollution and high conversion rate of the vehicle, the storage of articles in the cold cabin is ensured, and a great amount of heat released in the running process of the fuel cell is absorbed.
The invention has the beneficial effects that:
the cold energy of liquid hydrogen existing in negative 252.87 ℃ is utilized while hydrogen is used as an energy source, and the cold energy has three main functions: introducing the refrigerated square cabin to keep the temperature of stored articles in the cabin low; introducing a fuel cell to enable the cold chain vehicle to generate electricity for operation; the heat exchange with water in the composite vaporizer makes the absorbing fuel cell release a great deal of heat. According to the claims, the parallel connection of the first liquid hydrogen tank (1) and the second liquid hydrogen tank (2) is divided into a main path and a branch path, the branch path is used for keeping the low-temperature cold energy required by the refrigerated goods in the refrigerated shelter (3), wherein the main path is used for providing the liquid hydrogen in the fuel cell (5) to ensure the running of the cold chain vehicle.
Therefore, the method not only improves the energy utilization rate to a great extent, but also keeps the low temperature of the cold chamber in the refrigeration square chamber in the running process of realizing zero emission, no pollution and high conversion rate of the vehicle, ensures the storage of articles in the cold chamber and also absorbs a great deal of heat emitted in the running process of the fuel cell.
Drawings
FIG. 1 is a schematic diagram of a method for using liquid hydrogen in a fuel cell cold-chain logistics vehicle according to the present invention;
FIG. 2 is a schematic diagram of a hydrothermal management system in a general scheme;
in the figure: 1-a first liquid hydrogen tank, 2-a second liquid hydrogen tank, 3-a refrigerating shelter, 4-a compound vaporizer, 5-a fuel cell, 6-a radiator, 7-a water pump, 8 water tanks, 9-a first pressurizing vaporizer, 10-a second pressurizing vaporizer, 11-a buffer tank, a 1-a tenth electromagnetic valve, a 2-a first hand valve, a 3-a first electromagnetic valve, a 4-a third electromagnetic valve, b 1-an eleventh electromagnetic valve, b 2-a second hand valve, b 3-a second electromagnetic valve, b 4-a fourth electromagnetic valve, c 1-a fourth hand valve, c 2-a third hand valve, c 3-a fifth electromagnetic valve, c 4-a sixth electromagnetic valve, a d-a filter, e-a seventh electromagnetic valve, f-a one-way valve, g-an eighth electromagnetic valve, h-a fifth hand valve, c-a fifth electromagnetic valve, c 3-a fifth electromagnetic valve, c 4-a sixth electromagnetic valve, d-a filter, e, i-ninth solenoid valve.
Detailed Description
The invention is further described with reference to the following figures and detailed description:
the figure 1 comprises: the two liquid hydrogen output systems are used for providing sufficient liquid hydrogen, the first liquid hydrogen tank (1), a first hand valve (a2) for emergently controlling the output system of the first liquid hydrogen tank, a first pressure boost gasifier (9) and a first electromagnetic valve (a3) for controlling the output system of the first liquid hydrogen tank are connected in series through pipelines, the second liquid hydrogen tank (2), a second hand valve (b2) for emergently controlling the output system of the second liquid hydrogen tank, a second pressure boost gasifier (10) and a second electromagnetic valve (b3) for controlling the output system of the second liquid hydrogen tank are connected in series through pipelines, a third electromagnetic valve (a4) for controlling and filling the first liquid hydrogen tank is connected with the first liquid hydrogen tank (1), a fourth electromagnetic valve (b4) for controlling and filling the second liquid hydrogen tank is connected with the second liquid hydrogen tank (2), the first liquid hydrogen tank (1) and the second liquid hydrogen tank (2) are connected in parallel through two electromagnetic valves, firstly, the liquid hydrogen enters a branch to provide liquid hydrogen for a refrigeration cabin (3) to maintain cold storage, the branch of the system is composed of a third hand valve (c2) for emergently controlling liquid hydrogen in the cold cabin, a fifth electromagnetic valve (c3) for controlling liquid hydrogen to be input into the cold cabin, a refrigerating square cabin (3), a sixth electromagnetic valve (c4) for controlling liquid hydrogen to be output out of the cold cabin, the system enters a main road to maintain the operation of the cold chain vehicle, the main road is composed of a fourth hand valve (c1) for emergently controlling a power source of the cold chain vehicle, a composite vaporizer (4), a filter (d), a seventh electromagnetic valve (e) for controlling the output of the composite vaporizer (4), a one-way valve (f), a buffer tank (11), an eighth electromagnetic valve (g) for controlling the output of gas hydrogen of the buffer tank (11), a fuel cell (5) which are connected in series, a water tank (8), a water pump (7), a fifth hand valve (h) for emergently controlling a water thermal management system, a composite vaporizer (4), a ninth electromagnetic valve (i) for controlling the, The radiator (6) and the fuel cell (5) are connected in series to form a fuel cell water heat management system so as to realize cold energy utilization and circulation.
Fig. 2 includes: the water tank (8), the water pump (7), the fifth hand valve (h), the composite vaporizer (4), the ninth electromagnetic valve (i), the radiator (6) and the fuel cell (5) are connected in series to form a fuel cell hydrothermal management system, so that cold energy utilization and circulation are realized.
The first liquid hydrogen tank (1) and the second liquid hydrogen tank (2) are filled with liquid hydrogen under the control of a tenth electromagnetic valve (a1) and an eleventh electromagnetic valve (b1) which are used for controlling the liquid hydrogen tank to output the liquid hydrogen to a main path, the liquid hydrogen is boosted into a gaseous state through a booster gasifier in an inlet pipe due to gravity, the liquid hydrogen is controlled to enter the left ends of the first liquid hydrogen tank (1) and the second liquid hydrogen tank (2) through a first electromagnetic valve (a3) and a second electromagnetic valve (b3), the middle partition plate in the two liquid hydrogen tanks moves rightwards due to the fact that the pressure of the gas is increased and expanded along with the fact that the gas is filled in the tanks, the right ends in the two liquid hydrogen tanks are compressed to flow out of the liquid hydrogen, the liquid hydrogen is controlled to be converged in parallel pipes through a tenth electromagnetic valve (a1) and an eleventh electromagnetic valve (a2), the main path of the liquid hydrogen tank firstly enters a branch circuit to maintain the temperature required to be maintained by the refrigerated goods stored in the refrigerated shelter (3), and when the liquid hydrogen is sufficiently used for the goods storage in the shelter (3), the The hydrogen is mixed and enters a composite vaporizer (4).
When the cold-chain logistics vehicle is started to transport, the tenth electromagnetic valve (a1) and the eleventh electromagnetic valve (a2) control the first liquid hydrogen tank (1) and the second liquid hydrogen tank (2) to output liquid hydrogen, the liquid hydrogen after heat exchange of the refrigeration square cabin (3) is mixed and enters the composite vaporizer (4), firstly, heat exchange is carried out on the liquid hydrogen and air, and then, heat exchange is carried out on the gas hydrogen and water after heat exchange. The temperature of the gas hydrogen after heat exchange is increased, the purity requirement of the hydrogen used by the fuel cell (5) is higher, the gas hydrogen after heat exchange is firstly filtered by the filter (d), then enters the buffer tank (11) for low-pressure storage after entering the one-way valve (f) through the control of the seventh electromagnetic valve (e), and finally is supplied to the fuel cell (5) for use through the control of the eighth electromagnetic valve (g) according to the demand of the fuel cell (5) so as to ensure the running of the vehicle.
In a water heating management system comprising a water tank (8), a water pump (7), a fifth hand valve (h) of an emergency control water heat management system, a composite vaporizer (4), a ninth electromagnetic valve (i) for controlling the output of the composite vaporizer (4) to a branch, a radiator (6) and a fuel cell (5), before entering the composite vaporizer (4), hydrogen exchanges heat with high-temperature water in the composite vaporizer (4) due to heat release of the fuel cell at a temperature of-20 ℃, and the heat released by the operation of the fuel cell (5) is neutralized by using cold energy existing at negative liquid hydrogen temperature of 252.87 ℃.
When the fuel cell cold-chain logistics vehicle is in a transportation and driving process, the heat absorption of liquid hydrogen is equal to the sum of the heat release of the cold cabin to the environment, the heat release of air to the liquid hydrogen and the heat dissipation of the fuel cell, the scheme utilizes the cold energy of the liquid hydrogen at negative 252.87 ℃ while utilizing the hydrogen as the energy source to a great extent, so that the liquid hydrogen is used for running and refrigerating the fuel cell cold-chain logistics vehicle, the liquid hydrogen has great significance and value as the energy source of the cold-chain logistics vehicle, the energy utilization rate is improved to a great extent, the low temperature of the cold cabin in the refrigerating square cabin is kept in the running process of realizing zero emission, no pollution and high conversion rate of the vehicle, the storage of articles in the cold cabin is ensured, and a great amount of heat released in the running process of the fuel cell is absorbed.
Claims (2)
1. An apparatus for a fuel cell cold-chain logistics vehicle using liquid hydrogen, comprising: a first liquid hydrogen tank (1), a first hand valve (a2) for emergently controlling an output system of the first liquid hydrogen tank, a first pressure boost vaporizer (9), a first electromagnetic valve (a3) for controlling the on-off of the output system of the first liquid hydrogen tank are connected in series through pipelines to form a first liquid hydrogen output system, a second liquid hydrogen tank (2), a second hand valve (b2) for emergently controlling the output system of the second liquid hydrogen tank, a second pressure boost vaporizer (10), a second electromagnetic valve (b3) for controlling the on-off of the output system of the second liquid hydrogen tank are connected in series through pipelines to form a second liquid hydrogen output system, a third electromagnetic valve (a4) for controlling and filling the first liquid hydrogen tank is connected with the first liquid hydrogen tank (1), a fourth electromagnetic valve (b4) for controlling and filling the second liquid hydrogen tank is connected with the second liquid hydrogen tank (2), the first liquid hydrogen tank (1) and the second liquid hydrogen tank (2) are connected in parallel and controlled by two electromagnetic valves, firstly enters a branch circuit to provide liquid hydrogen for a refrigeration release cabin (3) to maintain the storage of articles in the refrigeration release cabin, the branch circuit is formed by connecting a third hand valve (c2) for emergently controlling the liquid hydrogen in the refrigeration release cabin, a fifth electromagnetic valve (c3) for controlling the liquid hydrogen to be input into the refrigeration release cabin, the refrigeration square cabin (3) and a sixth electromagnetic valve (c4) for controlling the liquid hydrogen to be output from the refrigeration cabin in series, and then enters a main circuit to maintain the operation of a cold chain vehicle, the main circuit is formed by connecting a fourth hand valve (c1) for emergently controlling the power source of the cold chain vehicle, a composite vaporizer (4), a filter (d), a seventh electromagnetic valve (e) for controlling the output of the composite vaporizer (4), a one-way valve (f), a buffer tank (11), an eighth electromagnetic valve (g) for controlling the output of gas hydrogen of the buffer tank (11), a fuel cell (5) in series, a water tank (8), a water pump (7), a fifth hand, And a ninth electromagnetic valve (i) for controlling the output of the composite vaporizer (4) to the branch, a radiator (6) and a fuel cell (5) are connected in series to form a fuel cell water heat management system so as to realize cold energy utilization and circulation.
2. A method for applying the apparatus of claim 1, wherein: the first liquid hydrogen tank (1) and the second liquid hydrogen tank (2) are filled with liquid hydrogen under the control of a tenth electromagnetic valve (a1) and an eleventh electromagnetic valve (b1) which are used for controlling the liquid hydrogen tank to output the liquid hydrogen to a main path, the liquid hydrogen is boosted into a gaseous state through a booster gasifier in an inlet pipe due to gravity, the liquid hydrogen is controlled to enter the left ends of the first liquid hydrogen tank (1) and the second liquid hydrogen tank (2) through a first electromagnetic valve (a3) and a second electromagnetic valve (b3), the middle partition plate in the two liquid hydrogen tanks moves rightwards due to the fact that the pressure of the gas is increased and expanded along with the fact that the gas is filled in the tanks, the right ends in the two liquid hydrogen tanks are compressed to flow out of the liquid hydrogen, the liquid hydrogen is controlled to be converged in parallel pipes through a tenth electromagnetic valve (a1) and an eleventh electromagnetic valve (a2), the main path of the liquid hydrogen tank firstly enters a branch circuit to maintain the temperature required to be maintained by the refrigerated goods stored in the refrigerated shelter (3), and when the liquid hydrogen is sufficiently used for the goods storage in the shelter (3), the Mixing hydrogen and entering a composite vaporizer (4);
when the cold-chain logistics vehicle is started to transport, the tenth electromagnetic valve (a1) controls the first liquid hydrogen tank (1) to output liquid hydrogen, the eleventh electromagnetic valve (a2) controls the second liquid hydrogen tank (2) to output liquid hydrogen, the liquid hydrogen after heat exchange of the refrigeration square cabin (3) is mixed and enters the composite vaporizer (4), firstly, heat exchange is carried out with air, and the gas hydrogen after heat exchange is subjected to heat exchange with water; the temperature of the gas hydrogen after heat exchange is increased, because the hydrogen used by the fuel cell (5) has purity requirement, the gas hydrogen after heat exchange is firstly filtered by a filter (d), then enters a one-way valve (f) under the control of a seventh electromagnetic valve (e) and enters a buffer tank (11) for low-pressure storage, and finally the gas hydrogen in the buffer tank (11) is supplied to the fuel cell (5) for use under the control of an eighth electromagnetic valve (g) according to the demand of the fuel cell (5) so as to ensure the running of a vehicle;
in a water heating management system comprising a water tank (8), a water pump (7), a five-hand valve (h) of an emergency control water heat management system, a composite vaporizer (4), a ninth electromagnetic valve (i) for controlling the output of the composite vaporizer (4) to a branch, a radiator (6) and a fuel cell (5), before entering the composite vaporizer (4), hydrogen exchanges heat with high-temperature water caused by heat release of the fuel cell in the composite vaporizer (4) in a gaseous state, and the heat released by the operation of the fuel cell (5) is neutralized by utilizing cold energy of liquid hydrogen.
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Cited By (4)
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| CN112172611A (en) * | 2020-10-16 | 2021-01-05 | 林海 | Cooling device for liquid hydrogen fuel cell for vehicle |
| CN113022417A (en) * | 2021-01-26 | 2021-06-25 | 北京航天试验技术研究所 | Liquid hydrogen refrigerator car |
| CN113140754A (en) * | 2021-03-31 | 2021-07-20 | 北京长征天民高科技有限公司 | Fuel cell powered refrigerator car system utilizing liquid hydrogen cold energy |
| CN114927718A (en) * | 2022-05-25 | 2022-08-19 | 中太(苏州)氢能源科技有限公司 | Combined cooling, heating and power system using liquid hydrogen as fuel |
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