CN210716927U - Mobile Hydrogenation Unit - Google Patents

Abstract

The utility model discloses a movable hydrogenation device, which comprises a hydrogen production device which can be arranged on a movable carrier, a gas storage tank and a hydrogenation device which is connected with the gas storage tank, wherein the hydrogen production device adopts normal-pressure metal-water reaction to produce hydrogen, and the gas storage tank is connected with the hydrogen production device and is used for temporarily storing the hydrogen generated in the hydrogen production device; the hydrogenation device is connected with the gas storage tank and is used for adding hydrogen to power equipment taking hydrogen as energy; by using the mobile hydrogenation device with the structure, the hydrogen production device can be moved to an area without a fixed hydrogenation station by the mobile carrier, so that the scale of the existing hydrogenation station is supplemented with less cost; in addition, the hydrogen production device adopts the metal-water reaction to produce hydrogen, so that a large amount of energy is not required to be consumed in hydrogen production and storage, and the hydrogen production and hydrogenation are realized in a real sense; moreover, the metal reaction fuel-aluminum is used, so that the hydrogen storage ratio is high, the energy density of unit volume is large, the metal reaction fuel-aluminum can be used while being used, and the volume of the gas storage tank can be effectively reduced.

Description

Mobile Hydrogenation Unit

technical field

The utility model relates to the technical field of mobile hydrogenation, in particular to a mobile hydrogenation device which adopts metal-water reaction to produce hydrogen in real time.

Background technique

In recent years, as the country promotes the rapid development of the hydrogen fuel cell vehicle industry, the speed of improvement of the supporting hydrogen refueling stations is far from being able to keep up. The hydrogen refueling station came into being. The existing technical solutions for the mobile hydrogen refueling station are as follows: 1. Hydrogen production using electrolyzed water. In this solution, the generated hydrogen needs to be stored in a container under high pressure. To achieve the hydrogen production rate, at least one MW-level substations supply power to containers, and it is impossible to achieve hydrogen refueling anytime and anywhere. Moreover, high-pressure hydrogen storage transportation has potential safety hazards and high costs; 2. Use hydrogen storage modules at the gas source to store hydrogen, and place the hydrogen production device and compression device. On the ground, the hydrogen storage and filling device is placed on the vehicle, and the cylinder group loaded with high-pressure hydrogen is transported to a specific location to fill the hydrogen fuel vehicle. This solution has always been inseparable from the ground hydrogen refueling station, which has hidden safety hazards and high costs in the transportation process. 3. The methanol hydrogen production technology is used, but there is no hydrogen purification device, and the concentration of hydrogen produced cannot reach the hydrogen concentration required by the fuel cell vehicle. In addition, no matter what technology is used to reform methanol to produce hydrogen, there is a large amount of CO ( 30% or more) the reactants have problems such as toxic gas and potential safety hazards.

Utility model content

The purpose of the utility model is to provide a safe and reliable mobile hydrogenation device that can realize the production of hydrogen on demand to solve the above technical problems.

In order to achieve the above purpose, the utility model discloses a mobile hydrogenation device, which comprises a hydrogen production device which can be installed on a mobile carrier, a gas storage tank and a hydrogenation device connected with the gas storage tank. The hydrogen production device adopts atmospheric pressure metal-water reaction to produce hydrogen, the gas storage tank is connected with the hydrogen production device, and is used for temporarily storing the hydrogen generated in the hydrogen production device; the hydrogenation device is connected to the gas storage device. Tank connection for adding hydrogen to hydrogen-powered power equipment.

Compared with the prior art, the mobile hydrogenation device of the present utility model installs the hydrogen production device and the gas storage tank on a mobile carrier, and the hydrogenation device and the gas storage tank can be installed on a mobile carrier according to the requirements, The mobile carrier moves the hydrogen production device to an area without a fixed hydrogen refueling station, so as to supplement the scale of the existing hydrogen refueling station at a lower cost; in addition, since the hydrogen production device adopts the metal-water reaction to produce hydrogen , Compared with the existing hydrogen production by electrolysis of water, it does not rely on the power grid and hydrogen refueling stations to operate, and does not need to consume a lot of energy in hydrogen production and storage, so as to achieve mobile hydrogen production and hydrogenation in the true sense; Using metal reaction fuel, the hydrogen storage ratio is high, the energy density per unit volume is high, and it can be produced while using, so the volume of the gas storage tank can be effectively reduced, and the safety and economy of the metal-water hydrogen production system are relatively high. The hydrogen production process does not produce toxic gas or high temperature (the temperature of the entire reaction is below 100°C), which is environmentally friendly, safe and reliable.

Preferably, the hydrogen production device includes a reaction kettle, a water storage tank, a heating buffer, a water injection device and a gas pipeline; the reaction kettle is used to provide a reaction vessel for hydrogen production by aluminum-water reaction, and the water injection device uses In order to inject the water in the water storage tank into the heating buffer, the heating buffer is used to heat the water to the temperature required for the aluminum-water reaction and output it to the reactor, and one end of the gas pipeline is connected to the heating buffer. The gas outlet of the reaction kettle is connected, and the other end of the gas transmission pipeline is connected with the gas storage tank.

Preferably, the hydrogen production device further includes a cooling device arranged on the gas transmission pipeline for cooling the hydrogen output from the reactor.

Preferably, the cooling device includes a heat exchanger, and the heat exchanger is also connected to an air-cooled radiator through a heat exchange water pump.

Preferably, a gas-liquid separator and a drying cooler are also provided on the gas pipeline at the rear end of the heat exchanger, and the gas-liquid separator has an air inlet end and an air outlet end of the heat exchanger. connection, the gas outlet end of the gas-liquid separator is connected with the inlet end of the drying cooler.

Preferably, a molecular sieve for purifying and dehydrating the hydrogen is further provided on the gas pipeline at the rear end of the drying cooler.

Preferably, the hydrogenation device is a hydrogenation gun, the gas storage tank is connected to the hydrogenation gun through a hydrogenation pipeline, and a flowmeter and a gas compressor are arranged on the hydrogenation pipeline.

Preferably, the gas compressor includes a primary compressor and a secondary compressor connected in series.

Preferably, a movable box body is installed on the mobile carrier, the hydrogen production device and the gas storage tank are installed in the box body, and a gas sales system is also arranged on the box body.

Preferably, a power supply box is also installed in the box, and a movable power supply is arranged in the power supply box, and the movable power supply is used to provide power supply for the hydrogen production device and the gas sales system.

Description of drawings

FIG. 1 is a schematic three-dimensional structure diagram of a mobile hydrogenation device according to an embodiment of the present invention.

FIG. 2 is a schematic three-dimensional structural diagram of the hydrogen production device located inside the box in FIG. 1 .

FIG. 3 is a schematic diagram of the connection structure of the gas storage tank and the gas filling device in the embodiment of the present invention.

FIG. 4 is a schematic structural diagram of the reaction principle of the hydrogen production device in FIG. 2 .

Detailed ways

In order to describe in detail the technical content, structural features, realization principle, realized objects and effects of the present invention, the following detailed description is given in conjunction with the embodiments and the accompanying drawings.

As shown in FIG. 1 to FIG. 3 , the utility model discloses a mobile hydrogenation device, which includes a hydrogen production device 2 that can be installed on a mobile carrier, a gas storage tank 3 and a gas storage tank 3 connected to the gas tank. Gas device 4, hydrogen production device 2 adopts atmospheric pressure metal-water reaction to produce hydrogen, gas storage tank 3 is connected with hydrogen production device 2, and is used to temporarily store the hydrogen generated in hydrogen production device 2; gas filling device 4 and gas storage tank 3 connection for adding hydrogen to power equipment using hydrogen as energy. The mobile carrier in this embodiment can be a trolley, a tricycle, a truck, etc., and the gas charging device 4 is a hydrogen charging gun, through which the hydrogen charging operation is performed on other power equipment. In the mobile hydrogenation device in this embodiment, the gas filling device 4 and the gas storage tank 3 can be installed on a mobile carrier as required, and the hydrogen production device 2 can be moved to a place without a stationary hydrogenation station through the mobile carrier. In addition, since the hydrogen production unit 2 adopts the metal-water reaction to produce hydrogen, compared with the existing hydrogen production by electrolysis of water, it does not rely on the power grid. And the operation of the hydrogen refueling station does not need to consume a lot of energy in hydrogen production and hydrogen storage, so as to achieve mobile hydrogen production and hydrogenation in the true sense; in addition, using metal reaction fuel, the hydrogen storage ratio is high, and the energy density per unit volume is high. Large, can be produced while using, so the volume of the gas storage tank 3 can be effectively reduced, and the safety and economy of the metal-water hydrogen production system are relatively high, and the hydrogen production process will not produce toxic gas, no high temperature ( The temperature of the whole reaction is below 100°C), which is environmentally friendly and safe and reliable.

As shown in FIG. 2 and FIG. 4 , the hydrogen production device 2 is an atmospheric pressure aluminum-water reaction hydrogen production system, which includes a reactor 20 , a water storage tank 21 , a heating buffer 22 , a water injection device 23 and a gas pipeline 7 . The reaction kettle 20 is used to provide a reaction vessel for the aluminum-water reaction hydrogen production, and the water injection device 23 is used to inject the water in the water storage tank 21 into the heating buffer 22, and the heating buffer 22 is used to heat the water to the aluminum-water reaction chamber. The required temperature is output to the reaction kettle 20, one end of the gas pipeline 7 is connected to the gas outlet of the reactor 20, and the other end of the gas pipeline 7 is connected to the gas storage tank 3. When it is necessary to supply gas to the equipment using hydrogen as the power source, the water injection device 23 is controlled to start, and the water in the water storage tank 21 is injected into the heating buffer 22. When the heating buffer 22 heats the water to the required temperature, it is input to the reaction In the kettle 20 , the active aluminum in the reaction kettle 20 starts to react to generate hydrogen, and the hydrogen is output to the gas storage tank 3 through the gas transmission pipeline 7 . Since the temperature of the hydrogen generated in the reaction kettle 20 is relatively high, preferably, the hydrogen production device 2 further includes a cooling device arranged on the gas transmission pipeline 7 for cooling the hydrogen output from the reaction kettle 20 . In this embodiment, the cooling device includes a heat exchanger 24 , and the heat exchanger 24 is also connected to an air-cooled radiator 26 through a heat exchange water pump 25 . After the high-temperature hydrogen passes through the heat exchanger 24, the heat in the hydrogen is replaced with the cooling water 7 in the heat exchanger 24, and the cooling water is heated up. The heat exchange water pump 25 pumps the hot water in the heat exchanger 24 into the air-cooled radiator 26, and the air-cooled radiator 26 dissipates the heat in the water to the atmosphere. The water pump 25 forms a circulation loop, so the cooled water flows from the air-cooled radiator 26 back to the heat exchanger 24, thereby realizing the circulation of the cooling water. In this embodiment, the water injection device 23 can be connected to the heating buffer 22 through the heat exchanger 24, so that the cold water drawn from the water storage tank 21 can absorb part of the temperature of the hydrogen in the heat exchanger 24 to be heated, and then be heated again. Injecting into the heating buffer 22 to fully utilize the waste heat in the heat exchanger 24 .

Further, a gas-liquid separator 27 and a drying cooler 28 are also provided on the gas pipeline 7 at the rear end of the heat exchanger 24. The air inlet end of the gas-liquid separator 27 is connected to the air outlet end of the heat exchanger 24, The outlet end of the gas-liquid separator 27 is connected to the inlet end of the drying cooler 28 . The hydrogen passes through the heat exchanger 24. Since it also contains moisture, most of the moisture in the hydrogen is separated by the gas-liquid separator 27, and then the hydrogen is further dried and cooled through the drying cooler 28, thereby improving the quality of the hydrogen. In addition, the gas-liquid separator 27 can also be connected to the water storage tank 21 through a pipeline, and the separated water is returned to the water storage tank 21 to achieve the purpose of saving water. Preferably, a molecular sieve 29 for purifying and dehydrating hydrogen is also provided on the gas pipeline 7 at the rear end of the drying cooler 28, and through the molecular sieve 29, the waste gas and water molecules in the hydrogen are removed, so that the output gas and water molecules are removed. The hydrogen in the gas storage tank 3 is further purified.

In another preferred embodiment of the mobile hydrogenation device of the present invention, the gas storage tank 3 is connected with a hydrogenation gun through a hydrogenation pipeline 50, and a flowmeter 51 and a gas compressor are arranged on the hydrogenation pipeline 50. Hydrogenation can be facilitated by the hydrogenation gun, and the hydrogenation amount can be conveniently controlled by changing the flow meter 51 during the hydrogenation process. Since the gas pressure on the gas receiving equipment is getting higher and higher during the gas filling process, the gas compressor can effectively increase the gas filling speed and the gas pressure. In this embodiment, the gas compressor includes a primary compressor 52 and a secondary compressor 53 that are connected in series. In addition, in order to facilitate the compression of the hydrogen output from the gas storage tank 3 , a cooling module 54 may also be provided on the hydrogenation pipeline 50 .

As shown in Figure 1, in order to facilitate the removal of the hydrogen production device 2, a movable box body 1 can be installed on the mobile carrier. The hydrogen production device 2 and the gas storage tank 3 are installed in the box body 1. gas system to facilitate the sale of hydrogen. In addition, a power supply box 6 is also installed in the box body 1, and a movable power supply is arranged in the power supply box 6, and the movable power supply is used to provide power supply for the startup of the hydrogen production device 2 and the gas sales system. The gas vending system in this embodiment includes a display screen 10 installed on the box body 1 to display the gas filling amount, price and amount, and the like.

What has been disclosed above is only a preferred example of the present invention, of course, it cannot limit the scope of rights of the present invention. Therefore, the equivalent changes made according to the scope of the patent application of the present invention still belong to the scope covered by the present invention. .

Claims (10)

1. a mobile hydrogenation unit, is characterized in that, comprises the hydrogenation unit that can be installed on a mobile carrier, the gas storage tank and the hydrogenation unit connected with the gas storage tank, and the hydrogenation unit adopts a conventional hydrogenation unit. Press metal-water reaction to produce hydrogen, the gas storage tank is connected with the hydrogen production device, and is used for temporarily storing the hydrogen generated in the hydrogen production device; the hydrogenation device is connected with the gas storage tank, used for Add hydrogen to power equipment powered by hydrogen. 2. The mobile hydrogenation device according to claim 1, wherein the hydrogen production device comprises a reactor, a water storage tank, a heating buffer, a water injection device and a gas pipeline; the reactor is used for aluminum -Hydrogen production by water reaction provides a reaction vessel, and the water injection device is used to inject the water in the water storage tank into the heating buffer, and the heating buffer is used to heat the water to the temperature required for the aluminum-water reaction and output to the reaction kettle, one end of the gas transmission pipeline is connected to the gas outlet of the reaction kettle, and the other end of the gas transmission pipeline is connected to the gas storage tank. 3 . The mobile hydrogenation device according to claim 2 , wherein the hydrogen production device further comprises a cooling device arranged on the gas transmission pipeline for cooling the hydrogen output from the reactor. 4 . 4 . The mobile hydrogenation device according to claim 3 , wherein the cooling device comprises a heat exchanger, and the heat exchanger is also connected to an air-cooled radiator through a heat exchange water pump. 5 . 5. The mobile hydrogenation device according to claim 4, characterized in that, a gas-liquid separator and a drying cooler are also provided at the rear end of the heat exchanger on the gas pipeline, and the gas-liquid The air inlet end of the separator is connected with the air outlet end of the heat exchanger, and the air outlet end of the gas-liquid separator is connected with the air inlet end of the drying cooler. 6 . The mobile hydrogenation device according to claim 5 , wherein a molecular sieve for purifying and dehydrating the hydrogen gas is further provided at the rear end of the drying cooler on the gas pipeline. 7 . 7. The mobile hydrogenation device according to claim 1, wherein the hydrogenation device is a hydrogenation gun, and the gas storage tank is connected with the hydrogenation gun through a hydrogenation pipeline, so that the The hydrogenation pipeline is provided with a flow meter and a gas compressor. 8. The mobile hydrogenation unit according to claim 7, wherein the gas compressor comprises a primary compressor and a secondary compressor connected in series. 9 . The mobile hydrogenation device according to claim 1 , wherein a movable box is installed on the mobile carrier, and the hydrogen production device and the gas storage tank are installed in the box. 10 . , and a gas sales system is also set on the box body. 10. The mobile hydrogenation device according to claim 9, wherein a power supply box is further installed in the box, and a movable power supply is arranged in the power supply box, and the movable power supply is used for the The hydrogen production unit and the gas sales system provide power supply.

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