WO2019174352A1 - Unité d'hydrogénation solide - Google Patents

Unité d'hydrogénation solide Download PDF

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Publication number
WO2019174352A1
WO2019174352A1 PCT/CN2018/123006 CN2018123006W WO2019174352A1 WO 2019174352 A1 WO2019174352 A1 WO 2019174352A1 CN 2018123006 W CN2018123006 W CN 2018123006W WO 2019174352 A1 WO2019174352 A1 WO 2019174352A1
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WO
WIPO (PCT)
Prior art keywords
hydrogenation unit
solid state
tank
raw material
return
Prior art date
Application number
PCT/CN2018/123006
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English (en)
Chinese (zh)
Inventor
林黎明
黄辉忠
Original Assignee
正泰集团股份有限公司
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Filing date
Publication date
Application filed by 正泰集团股份有限公司 filed Critical 正泰集团股份有限公司
Publication of WO2019174352A1 publication Critical patent/WO2019174352A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/10—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks concerning gas-producing plants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
    • B65G53/24—Gas suction systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
    • C01B3/065—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents from a hydride
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

Definitions

  • the invention relates to the technical field of equipment, and in particular to a solid state hydrogenation device.
  • the current hydrogenation unit is mainly composed of gaseous hydrogen or liquid hydrogen, and no solid hydrogen device can be added.
  • Solid hydrogen a solid form of hydrogen in a non-traditional sense, but a metal hydride that combines hydrogen with a metal and exists in solid form. Compared with liquid hydrogen and gaseous hydrogen, solid hydrogen can not only be stored at room temperature, but also has the advantage of high safety.
  • the existing hydrogenation unit is generally dominated by gas hydrogen or liquid hydrogen, and has the following problems:
  • the entire link requires torpedo vehicles to transport liquid hydrogen or gas hydrogen to the hydrogenation unit, in the process of gasification (for liquid hydrogen only), pressurization, drying, etc., and finally the pressure of the hydrogen energy vehicle is 30 MPa.
  • the pressure of the hydrogen energy vehicle is 30 MPa.
  • the -70 MPa hydrogen storage tank there are major safety hazards in the transportation process and the use process;
  • the liquid hydrogen hydrogenation unit requires equipment such as liquid hydrogen tank, gasifier, compressor, etc.
  • the gas hydrogen hydrogenation unit requires high-pressure gas cylinder group, compressor, and gas cylinder group in the station, and the equipment and operation cost are high;
  • the object of the present invention is to overcome the deficiencies of the prior art and to provide a solid state hydrogenation apparatus which can realize synchronous operation of feeding and recovery and has good safety.
  • a solid state hydrogenation unit comprising a hydrogenation unit control system, a feed gun 28, a raw material supply system for storing metal hydrides, and a by-product for storing the recovered metal hydride and the liquid reactant
  • the material recovery system, the hydrogenation unit control system is connected with the raw material supply system and the return material recovery system, and the water supply unit 4 for conveying the liquid reactants, and the raw material supply system is respectively fed and fed through the return pipe 32 through the feeding pipe 22 and the returning material recovery system
  • the guns 28 are connected.
  • the utility model further comprises a fan system, wherein the hydrogenation device control system comprises a metering controller 5, and the metering controller 5 is connected to the fan system, and the fan system is respectively connected with the raw material supply system and the returning material recovery system.
  • the hydrogenation device control system comprises a metering controller 5
  • the metering controller 5 is connected to the fan system, and the fan system is respectively connected with the raw material supply system and the returning material recovery system.
  • the fan system includes a blower fan system for conveying a gas stream and a suction fan system for forming a negative air pressure; the blower fan system is coupled to a material supply system, and the suction fan system is coupled to the return material recovery system.
  • the blowing fan system comprises a blowing fan 6, a first filter 81 connected to the blowing fan 6 in sequence, a first air switching valve 8, and a second air tube 82 respectively connected to the first air switching valve 8, a fourth air tube 83;
  • the blowing fan 6, the first air switching valve 8 is connected to the metering controller 5, the fourth air tube 83 is connected to the returning material recovery system, and the second air tube 82 is connected to the material supply system;
  • the suction fan system includes a suction fan 7, a second filter 91 connected to the suction fan 7 in sequence, a second air switching valve 9, and a first air pipe 92 and a third air pipe respectively connected to the second air switching valve 9.
  • the suction fan 7 and the second air switching valve 9 are respectively connected to the metering controller 5, the first air tube 92 is connected to the material supply system, and the third air tube 93 is connected to the return material recovery system.
  • the feedstock supply system includes a feed tank 2 for storing a metal hydride, and the feed tank 2 is connected to the feed gun 28 via a feed tube 22.
  • the raw material tank 2 further includes a first weighing apparatus 17 for monitoring the weight of the metal hydride therein in real time, and the first weighing apparatus 17 is connected to the metering controller 5 of the hydrogenation unit control system.
  • the raw material supply system further includes a first weighing hopper 18 disposed below the raw material tank 2, and the first weighing hopper 18 is connected to the feeding gun 28 through the feeding tube 22.
  • the utility model further comprises a fan system comprising a suction fan system for forming a negative air pressure, the material supply system further comprising a second trap 10 connected to the suction fan system, the second trap 10 comprising the raw material connected thereto Tube 23.
  • the raw material tank 2 and the second trap 10 of the raw material supply system are connected by a first rotary valve 11, and the raw material tank 2 and the first weighing hopper 18 of the raw material tank 2 are connected by a fifth rotary valve, the first name A second rotary valve 12 is disposed at a lower end of the hopper 18, and the first rotary valve 11, the fifth rotary valve and the second rotary valve 12 are both connected to the metering controller 5 of the hydrogenation unit control system; and further includes a fan system, the fan system including A blower system for conveying airflow, the second rotary valve 12 is coupled to the feed gun 28 via a feed tube 22 and is coupled to the blower system.
  • the return recovery system includes a return tank 3 for storing by-products and a first trap hopper 13 disposed above the return tank 3, the first trap bucket 13 passing through the return pipe 32
  • the feeding guns 28 are connected.
  • the first trap hopper 13 further includes a second weigh hopper 19 disposed at a lower portion thereof, and the second weigh hopper 19 is connected to the metering controller 5 of the hydrogenation unit control system.
  • the return tank 3 further comprises a second scale 16 for monitoring the weight of by-products in real time, the second scale 16 being connected to the meter control unit 5 of the hydrogenation unit control system.
  • the utility model further comprises a fan system comprising an suction fan system for forming a negative air pressure and a blowing fan system for conveying the air flow, the first collecting bucket 13 and the returning tank 3 being connected by the third rotary valve 14
  • a trap hopper 13 is connected to the suction fan system, and a third rotary valve 14 is connected to the metering controller 5 of the hydrotreater control system.
  • the return tank 3 further comprises a fourth rotary valve 15 connected to the metering controller 5 of the hydrogenation unit control system disposed at a lower end thereof, the fourth rotary valve 15 is connected to the recovery pipe 33, and the blowing fan The system is connected.
  • a water supply system is also included, the water supply system including a water pipe 4 connected to the feed gun 28, and the water pipe 4 including a water pump 42 and a flow meter 43 disposed thereon.
  • the water pump 42 and the flow meter 43 are respectively connected to the metering controller 5 of the hydrogenation unit control system, the metering controller 5 automatically controls the opening/closing of the water pump 42, and the flow meter 43 monitors the liquid reactant outputted by the water tube 4 in real time. The amount is fed back to the metering controller 5.
  • the inlet end of the water pipe 4 of the water supply system is connected to a local water source 45.
  • the metering controller 5 of the hydrogenation unit control system calculates the amount of metal hydride output based on the data fed back by the first scale hopper 17 and the first scale hopper 18 of the material supply system.
  • the metering controller 5 of the hydrogenation unit control system calculates the amount of by-product recovered based on the data fed back by the second scale hopper 19 and the second scaler 16 of the return tank 3.
  • the metal hydride is a solid
  • the liquid reactant is liquid water or an aqueous solution in which an acidic substance is dissolved
  • the by-product is a solid or a solid-liquid mixture.
  • the feeding tube 22, the return pipe 32 and the water pipe 4 are integrated into one feeding gun 28; or, the feeding pipe 22, the return pipe 32 and the water pipe 4 are three-tube split structures, each connected to a feeding gun 28.
  • any two tubes of the feed tube 22, the return tube 32 and the water tube 4 are connected to one feed gun 28, and the other tube is connected to another feed gun 28.
  • the solid state hydrogenation device of the invention comprises a raw material supply system, a return material recovery system and a feeding gun, the water pipe is used for conveying the liquid reactant, the metal hydride is stored in the raw material supply system, can be stored at normal temperature, and the safety is high, and the material is returned.
  • the recovery system is used for storing by-products obtained by reacting the recovered metal hydride with the liquid reactant; the solid hydrogenation device adds the metal hydride and the liquid reactant to the hydrogen generating device through the feeding gun, and recovers the hydrogen generating device through the feeding gun
  • the by-product in the product realizes the integrated operation of the raw material addition and the recovery of the material after the reaction, and has high automation degree, convenient operation and high efficiency.
  • FIG. 1 is a schematic structural view of an automatic continuous hydrogen generating device of the present invention
  • FIG. 2 is a schematic structural view of a solid state hydrogenation device of the present invention
  • FIG. 3 is a schematic view showing the cooperation of the solid state hydrogenation device of the present invention with a material turnover zone and a hydrogen generating device;
  • FIG. 4 is a schematic view showing the cooperation of the solid state hydrogenation device of the present invention with a material transport vehicle and a hydrogen generating device.
  • solid state hydrogenation apparatus and hydrogen generation apparatus of the present invention are further described below in conjunction with the embodiments set forth in Figures 1-4.
  • the solid state hydrogenation apparatus of the present invention is not limited to the description of the following examples.
  • the solid state hydrogenation apparatus of the present invention comprises a hydrogenation unit control system, a feed gun 28, a water supply system for providing a liquid reactant, a raw material supply system for storing metal hydride, and a metal hydride for storing and recovering a feed recovery system for by-products obtained after the reaction of the liquid reactant,
  • the water supply system is connected to the feeding gun 28 through the feeding pipe 22 and the returning material recovery system through the feeding pipe 22 through the feeding pipe 22, and the feeding gun 28 is connected to the hydrogen generating device to supply the metal hydride in the raw material supply system. And/or the liquid reactant of the water supply system is added to the hydrogen generator and the by-product is recovered to the return recovery system.
  • the solid state hydrogenation device of the present invention comprises a water supply system, a raw material supply system, a return material recovery system and a feeding gun 28, the water supply system is for providing a liquid reactant, and the metal hydride is stored in the raw material supply system, and can be stored at a normal temperature, and is safe.
  • the feed recovery system is used to store the by-products obtained by the reaction of the recovered metal hydride with the liquid reactant; the solid hydrogenation unit adds the metal hydride and or the liquid reactant to the hydrogen generator through the feeding gun 28 while passing
  • the feeding gun recovers the by-products, realizes the integrated operation of the raw material addition and the recovery of the materials after the reaction, has high automation degree, convenient operation and high efficiency.
  • 2-4 is an embodiment of a solid state hydrogenation unit of the present invention.
  • the solid state hydrogenation apparatus of the present embodiment comprises a hydrogenation unit control system, a raw material supply system, a return material recovery system, a water supply system, a feeding gun 28, a raw material supply system, a return material recovery system, and a water supply respectively connected to the hydrogenation unit control system.
  • the system is connected to the feed gun 28, respectively.
  • the raw material supply system supplies raw materials (ie, metal hydride) to the hydrogen generating device through a feeding pipe;
  • the recycled material recovery system recovers the return material (ie, by-product) from the hydrogen generating device through the recovery pipeline;
  • the water supply system supplies water (ie, liquid reactant) to the hydrogen generating device through a water conduit;
  • the hydrogenation unit control system controls the operation of the raw material supply system, the return material recovery system, the water supply system, the supply of raw materials and water, and the recovery of the return material.
  • the water supply system is connected to the feeding gun 28 through the return pipe 32 through the water pipe 4 and the raw material supply system through the feeding pipe 22 and the returning material recovery system.
  • the feeding tube 22, the returning tube 32 and the water tube 4 are collected in a feeding gun 28 to form a three-tube integrated structure, all of which are connected to a feeding gun 28. It is used to connect to the feed port 9000 of the hydrogen generator shown in Fig. 1, or to connect to the car with the hydrogen generator shown in Fig. 4.
  • the feeding tube 22, the returning tube 32 and the water tube 4 are three-tube split structures, each of which is connected to a feeding gun 28, and is respectively passed by three feeding guns 28 respectively.
  • the raw material tank 24, the water tank 44, and the return tank 34 of the hydrogen generating device corresponds to the raw material tank 24, the water tank 44, and the return tank 34 of the hydrogen generating device. Still more, any two tubes of the feed tube 22, the return tube 32 and the water tube 4 are connected to one feed gun 28, and the other tube is separately provided to be connected to the other feed gun 28.
  • the raw material is a powdery or granular metal hydride
  • the recycled material ie, by-product
  • the recycled material is a solid metal oxide formed by reacting a metal hydride with water.
  • the hydrogenation unit control system includes a metering controller 5
  • the solid state hydrogenation unit further includes a fan system
  • the fan system is connected to the metering controller 5
  • the fan system is separately associated with the material
  • the supply system and the return material recovery system are connected and used as a driving force for driving raw material supply and returning material recovery.
  • the fan system includes a blower fan system for conveying airflow and a suction fan system for forming a negative air pressure
  • the metering controller 5 is connected to the blower fan system and the suction fan system, respectively, to control start/stop of both.
  • the raw material supply system is connected to the blowing fan system through the second air pipe 82, and is connected to the feeding gun 28 through the feeding pipe 22; the returning recovery system is connected to the suction fan system through the third air pipe 93, and is fed back through the third air pipe 93.
  • the pipe 32 is connected to a feeding gun 28; the water supply system is connected to the feeding gun 28 via a water pipe 4, and a water pump 42 is provided on the water pipe 4, and the water pump 42 is connected to the metering controller 5.
  • the feeding gun 28 further includes a detecting unit, and the detecting unit includes a detecting interface of each pipeline level sensor or a level sensor connected to the metering controller 5, and the detecting interface can be used for being disposed in the hydrogen generating device. Multiple level sensors are connected.
  • the plurality of level sensors in the hydrogen generating device include at least a first level sensor and a second level sensor respectively disposed corresponding to the material box 24 and the water tank 44 in the hydrogen generating device, and the first level sensor is used for real-time monitoring.
  • the amount of metal hydride in the raw material tank 24 is fed back to the metering controller 5, and the second level sensor is used to monitor the amount of water in the water tank 44 in real time and feed back to the metering controller 5;
  • the detecting unit may further include A detection interface connected to the sensor in the return recovery system is provided, and the sensor feeds back the amount of metal oxide recovered by the return recovery system in real time and feeds back to the metering controller 5.
  • the feed gun 28 includes a tip for connecting to a hydrogen generating device and a handle for controlling the opening/closing of the tip.
  • the metering controller 5 automatically activates the fan system and the water supply system.
  • the feeding gun 28 further comprises a feeding gun switch. After the feeding gun 28 is connected with the hydrogen generating device, the feeding gun switch is closed, and the metering controller 5 automatically activates the fan system and the water supply system.
  • the feeding tube 22, the returning tube 32, and the water tube 4 are collected in the feeding gun 28 to form a three-tube integrated structure; the three-tube integrated structure of the feeding gun 28 further includes connection with the metering controller 5 Line interface for each line sensor or sensor.
  • the water supply system includes a water pipe 4 connected to a feeding gun 28, the water pipe 4 includes a water pump 42 and a flow meter 43 disposed thereon in sequence, and the water pump 42 and the flow meter 43 are respectively connected to the metering controller 5, and the metering controller 5
  • the on/off of the water pump 42 is automatically controlled, and the flow meter 43 monitors the output of the water in the water pipe 4 in real time and feeds it back to the metering controller 5.
  • the water supply system may also be a water tank, and the inlet end of the water pipe 4 of the water supply system is connected to the water tank.
  • the inlet end of the water line 4 of the water supply system is connected to a local water source 45 of the solid state hydrogenation unit.
  • the raw material supply system includes a second trap 10 disposed above and below, and a raw material tank 2 for storing metal hydride.
  • the lower end of the second trap 10 passes through the first rotary valve 11 and the raw material.
  • the tank 2 is connected, the lower end of the raw material tank 2 is connected to the feeding pipe 22 through the second rotary valve 12, and is connected to the blowing fan system through the second air pipe 82, and the first rotary valve 11 and the second rotary valve 12 are respectively connected to the metering controller 5. .
  • a first weighing hopper 18 is further disposed between the raw material tank 2 and the second rotary valve 12, and the lower end of the raw material tank 2 is connected to the first weighing hopper 18 through a fifth rotary valve, and the fifth rotary valve and the first scale
  • the hoppers 18 are respectively connected to the metering controller 5, and the first scale hopper 18 monitors the weight of the metal hydride each time added to the hydrogen generating device and feeds it back to the metering controller 5.
  • the raw material tank 2 further comprises a first weighing instrument 17 disposed at a lower portion thereof, the first weighing instrument 17 is connected to the metering controller 5, and the first weighing instrument 17 monitors the metal hydride in the raw material tank 2 in real time. The weight is fed back to the metering controller 5.
  • the second trap 10 further includes a raw material pipe 23 connected thereto, and the raw material pipe 23 is connected to the material turnover zone 65 or the material storage bin 25 of the material transport cart 55.
  • the returning recovery system includes a first trap hopper 13 and a return tank 3 for storing the recovered metal oxide, and the first trap bucket 13 passes through the third rotary valve. 14 is connected to the return tank 3, and the upper end of the first trap bucket 13 is connected to the suction fan system through the third air tube 93, and the middle portion of the first trap bucket 13 is connected to the feeding gun 28 through the return pipe 32.
  • the first trap bucket 13 further includes a second weighing hopper 19 disposed at a lower portion thereof, and a lower end of the second weighing hopper 19 is connected to the return tank 3 through a third rotary valve 14, and the second weighing hopper 19 is metered
  • the controller 5 is connected, and the second weighing hopper 19 monitors the amount of metal oxide recovered from the hydrogen generating device each time in real time and feeds it back to the metering controller 5.
  • a sensor is disposed in the first trap bucket 13 , and the sensor is connected to the metering controller 5 , and the sensor detects the amount of metal oxide in the first trap bucket 13 in real time and feeds back to the metering controller 5 .
  • the return tank 3 further includes a second scale 16 disposed at a lower portion thereof, and the second scale 16 monitors the amount of metal oxide in the return tank 3 in real time and feeds it back to the addition controller 5 a fourth rotary valve 15 is disposed at a lower end of the return tank 3, and the fourth rotary valve 15 is connected to the blowing fan system through the fourth air pipe 83 and connected to the recovery pipe 33, and the recovery pipe 33 is connected with the material turnover zone 65 or the material transportation vehicle 55.
  • the return bins 35 are connected.
  • the fan system includes a blower system for conveying airflow and an aspiration fan system for forming a negative air pressure.
  • the blowing fan system includes a blowing fan 6 connected to the metering controller 5, a first filter 81 connected to the blowing fan 6 in sequence, a first air switching valve 8, and a second connected to the first air switching valve 8, respectively.
  • the air tube 82 and the fourth air tube 83; the metering controller 5 is connected to the first air switching valve 8 and controls switching of the first air switching valve 8, and the metering controller 5 controls the start/stop of the blowing fan 6.
  • the suction fan system includes a suction fan 7 connected to the metering controller 5, a second filter 91 connected to the suction fan 7 in sequence, a second air switching valve 9, and a first connection with the second air switching valve 9, respectively.
  • the air tube 92 and the third air tube 93; the metering controller 5 is connected to the second air switching valve 9 and controls the switching of the second air switching valve 9, and the metering controller 5 controls the start/stop of the suction fan 7.
  • the solid state hydrogenation apparatus of the present embodiment further includes a control system cabinet 1, a metering controller 5, a fan system, a water pump 42 of the water supply system, and a flow meter 43 all disposed in the control system cabinet 1.
  • the solid state hydrogenation apparatus of the present embodiment is a fixed station, which is used in conjunction with a material transport vehicle 55.
  • the material transport vehicle 55 includes a raw material warehouse 25 and a return silo 35, and the raw material storage tank 25 is used for storing solid state.
  • the metal hydride, the return silo 35 is used to store solid metal oxides.
  • the solid state hydrogenation apparatus of the present embodiment is movable, for example, a solid state hydrogenation apparatus is installed on a motor vehicle to meet the mobility of the solid state hydrogenation apparatus, and is a hydrogen energy vehicle and a solid state.
  • the hydrogen energy power plant and/or the solid state hydrogen energy thermal energy system supplements the demand for solid hydrogen
  • the movable solid state hydrogenation unit cooperates with the material turnover zone 65
  • the material turnover zone 65 includes a raw material bin 25 and a return bin 35
  • the material storage bin 25 is used for The stored solid metal hydride
  • the recovery bin 35 is used to store solid metal oxides.
  • Step 1 Adding metal hydride to raw material tank 2
  • the metering controller 5 automatically stops the suction fan 7, and opens the first rotary valve 11 to cause the metal hydride to enter the raw material tank 2;
  • the first weighing instrument 17 monitors the amount of metal hydride in the raw material tank 2 in real time, and feeds it back to the metering controller 5, and when the predetermined value is reached, stops the metal hydride from being added to the raw material tank 2;
  • Step 2 Recovery of metal oxides from the return tank 3
  • the blowing fan 6 of the blowing fan system operates, the metering controller 5 controls the fourth rotary valve 15 to open, and the airflow output by the blowing fan 6 transports the metal oxide into the return bin 35;
  • the second weighing instrument 16 monitors the amount of the return material in the return tank 3 in real time and feeds back to the metering controller 5, and when all the materials in the return tank 5 are transferred to the return tank 35, the metering is performed.
  • the controller 5 automatically stops the blowing fan 6 and closes the fourth rotary valve 15;
  • steps 1 and 2 can be performed simultaneously or separately. Preferably, steps 1 and 2 are performed simultaneously to save program and operating time.
  • Step 3 Add metal hydride and water to the hydrogen generator and recover the metal oxide
  • the feeding gun 28 is connected to the feeding port 9000 of the hydrogen generating device, that is, the raw material tank 2, the water supply system and the return tank 3 of the solid hydrogenation unit are respectively connected with the raw material tank 24, the water tank 44 and the return tank of the hydrogen generating device. 34 one-to-one correspondence;
  • the metering controller 5 controls the fifth rotary valve to open, so that an appropriate amount of metal hydride enters the first weighing hopper 18 from the raw material tank 2, and then closes the fifth rotary valve, and the first weighing instrument 17 monitors the raw material tank 2 in real time. The amount of internal metal hydride is fed back to the metering controller 5;
  • the metering controller 5 opens the second rotary valve 12, and the airflow output from the blowing fan system of the fan system transports the raw materials from the first weighing hopper 18 to the raw material box 24, and the first weighing hopper 18 monitors each raw material in real time.
  • the amount of metal hydride delivered by the tank 24 is fed back to the metering controller 5;
  • the metering controller 5 controls the solid state hydrogenation device to stop to the hydrogen generating device. Replenishing the metal hydride; or the metering controller 5 is added according to a preset value, and after adding to the preset amount, controlling the solid state hydrogenation device to stop replenishing the metal hydride to the hydrogen generating device;
  • the metering controller 150 automatically controls the water pump 42 to open, the flow meter 43 monitors the amount of water input to the water tank 44 in real time and feeds it back to the metering controller 5; when the second level sensor in the water tank 44 detects the water tank 44 When the amount of water in the interior reaches a predetermined value, the metering controller 5 controls the solid state hydrogenation device to stop replenishing the water to the hydrogen generating device; or, the metering controller 5 adds according to a preset value, and controls the solid state after being added to the preset amount.
  • the hydrogenation unit stops replenishing water to the hydrogen generator;
  • the suction fan system causes the first trap hopper 13 to enter a negative air pressure state, and the first trap hopper 13 is divided (the number of times varies depending on the amount of metal oxide in the return tank 34).
  • the tank 34 recovers the metal oxide, and the second weigher 19 monitors the amount of metal oxide recovered from the return tank 34 by the first trap hopper 13 in real time and feeds back to the metering controller 5;
  • the metering controller 5 automatically stops the suction fan system, and opens the third rotary valve 14, and the returning material enters the returning tank 3 from the first trapping bucket 13, the second scale
  • the weight meter 16 monitors the amount of material returned in the return tank 3 in real time and feeds back to the metering controller 5;
  • the metering controller 5 Controlling the return material recovery system to stop recovering metal oxides from the hydrogen generating device;
  • steps (33), (34), and (35) can be performed simultaneously, and steps (33), (34), and (35) can also be distributed.
  • steps (33), (34), (35) are performed simultaneously to save program and operating time.
  • the metering controller 5 calculates the amount of metal hydride added to the hydrogen generating device according to the data fed back by the first weighing instrument 17 and the first weighing hopper 18, according to the second weighing instrument 16, the second The data fed back by the hopper 19 calculates the amount of metal oxide recovered to the hydrogen generating device, and the amount of water replenished to the hydrogen generating device is calculated in accordance with the flow meter 43.
  • the solid state hydrogenation unit does not have a fan system, and the supply of raw materials and the recovery of the feedstock are performed by the pump power system.
  • the pump power system includes a first output pump disposed on the water pipe 4, a second output pump disposed on the feed pipe 22, and a first recovery pump disposed on the return pipe 32, a first output pump, and a second Both the output pump and the first recovery pump are connected to a metering controller 5 of the hydrotreater control system.
  • the solid state hydrogenation apparatus may be metered without by a weighing hopper and a weighing apparatus, or may be disposed by a first output flow meter disposed on the water pipe 4.
  • the second output flow meter on the feeding pipe 22 and the first recovery pump flow meter disposed on the return pipe 32 are metered, and the first output flow meter, the second output flow meter, and the first recovery pump flow meter are both hydrogenated.
  • the metering control unit 5 of the device control system is connected.
  • the first output flow meter can use a liquid flow meter
  • the second output flow meter and the first recovery pump flow meter can use a solid flow meter, such as a flow meter of Omega, Germany, MUTEC, Germany.
  • the water pipe 4 is provided with a first output valve, a first output pump and a first output flow meter, which are connected to the metering controller 5, and the feeding tube 22 is provided with a metering controller 5 a second output valve, a second output pump and a second output flow meter, wherein the return pipe 32 is provided with a first recovery valve, a first recovery pump and a first recovery pump flow, both connected to the metering controller 5 meter.
  • the solid state hydrogenation device comprises a control system cabinet 1, a metering controller 5, a first output valve, a first output pump, a first output flow meter, a second output valve, a second output pump, a second output flow meter, The first recovery valve, the first recovery pump, and the first recovery pump flow meter are all disposed in the control system cabinet 1.
  • the solid state hydrogenation unit can also be fed and recovered by mixing the fan system and the pump power system, and can also be fed and recovered by means of flexible screw conveying.
  • the fan system can also use only one fan as both a suction wind suction fan and a blow fan, which of course results in poor output and increased system complexity.
  • the present invention also discloses a continuous hydrogen generating device.
  • the continuous hydrogen generating device of the present invention comprises a feeding port 9000, a hydrogen generating device control system 8000, a raw material tank 24 for storing metal hydride, a water tank 44 for storing liquid reactants, and a hydrogen storage tank 3000 for storing hydrogen obtained by reacting a metal hydride and a liquid reactant, a return tank 34 for storing a by-product obtained by reacting a metal hydride and a liquid reactant, and a raw material tank 24 passing through the third input pipe 2001 and hydrogen
  • the hair tank 1000 is connected, and the water tank 44 is connected to the hydrogen hair storage tank 1000 through its fourth input pipe 4001.
  • the hydrogen storage tank 3000 is connected to the hydrogen hair storage tank 1000 through its second output pipe 3001, and the returning tank 34 passes through the third output pipe 5001. Connected to the hydrogen hair storage 1000;
  • the raw material tank 24 is connected to the feeding port 9000 through the first feeding pipe 2003, and the water tank 44 is connected to the feeding port 9000 through the second feeding pipe 4004.
  • the returning tank 34 is connected to the feeding port 9000 through the first collecting pipe 5008.
  • the continuous hydrogen generating device of the present invention comprises a feeding port 9000, a hydrogen hair filling tank 1000, a raw material box 24, a water tank 44, a hydrogen storage tank 3000, a return tank 34 and a hydrogen generating device control system 8000, and the hydrogen generating chamber 1000 can be divided into batches.
  • the return tank 34 is used to obtain the by-product of the reaction, and the space of the hydrogen hair storage tank 1000 can be released in time, and the hydrogen storage tank 3000 is obtained from the hydrogen hair storage tank 1000.
  • the hydrogen gas is stored and realized, and the hydrogenation reaction is continuously controlled and controlled, and the reaction by-products are recovered and stored.
  • the raw material tank 24, the water tank 44, and the return tank 34 are respectively connected with the feeding port 9000 to add metal hydride. And the liquid reactant, while the return tank 34 is connected with the feeding port 9000 to recover the by-product output, which greatly improves the convenience and safety of the automatic continuous hydrogen generating device of the invention and reduces the cost.
  • FIG. 1 an embodiment of the continuous hydrogen generating device of the present invention is shown.
  • the automatic continuous hydrogen generating device of the present invention comprises a hydrogen generating device control system 8000 and a hydrogen hair storage tank 1000 connected to the hydrogen generating device control system 8000, a raw material tank 24, a hydrogen storage tank 3000, a water tank 44, a return tank 34 and a feeding port. 9000.
  • the raw material tank 24 is for storing metal hydride, is disposed above the hydrogen hair storage tank 1000, and is connected to the hydrogen hair storage tank 1000 through a third input pipe 2001, and the third input pipe 2001 includes a third input valve 2002 disposed at a middle portion thereof.
  • the third input valve 2002 is connected to the hydrogen generator control system 8000, and the upper portion of the material tank 24 is also connected to the feed port 9000 through the first feed pipe 2003.
  • an input pump can also be provided in the third input pipe 2001.
  • the raw material tank 24 is further provided with a first quantity sensor for detecting the metal hydride reserve in the raw material tank 24 in real time.
  • the metal hydride falls into the hydrogen hair sump 1000, when the quantitative metal hydride (ie, the metal hydride obtained by the hydrogen hair clerk 1000 each time)
  • the hydrogen generator control system 8000 controls the third input valve 2002 to close.
  • the first level sensor monitors the metal hydride reserves in the raw material tank 24 in real time, and feeds back to the hydrogen generator control system 8000 to monitor the reserves.
  • the hydrogen generating device control system 8000 can also calculate the metal flowing out each time through the first level sensor.
  • the amount of hydride when the metered metal hydride (i.e., the amount of metal hydride each time the hydrogen hair cartridge 1000 is taken) flows out, the hydrogen generator control system 8000 controls the third input valve 2002 to close.
  • the water tank 44 is for storing a liquid reactant, which is connected to the hydrogen hair storage tank 1000 through a fourth input pipe 4001.
  • the fourth input pipe 4001 includes a fourth input valve 4002 and a fourth input pump 4003 disposed at a middle portion thereof, and a fourth The input valve 4002 and the fourth input pump 4003 are respectively connected to the hydrogen generator control system 8000, and the water tank 44 is also connected to the feed port 9000 through the second feed pipe 4004.
  • a second level sensor is disposed in the water tank 44, and the second level sensor can monitor the liquid reactant storage in the water tank 44 in real time.
  • the hydrogen generating device control system 8000 controls the fourth input valve 4002 to be opened, and when the fourth input pump 4003 is turned on, the liquid reactant flows into the hydrogen generating chamber 1000 under the action of the fourth input pump 4003, and the second measuring device can be monitored in real time.
  • the amount of liquid reactants in the water tank 44 is fed back to the hydrogen generator control system 8000 for monitoring the reserves.
  • the hydrogen generator control system 8000 can also calculate the amount of liquid reactants flowing out each time through the second level sensor. When the metered liquid reactant (i.e., the amount of liquid reactant taken each time the hydrogen hair cartridge is taken) flows out, the hydrogen generator control system 8000 controls the fourth input valve 4002 to close and the fourth input pump 4003 to stop.
  • the return tank 34 is used to obtain and store a solid-liquid mixture from the hydrogen hair storage tank 1000.
  • the return tank 34 includes a solid tank 5003 and a header tank 5004, and a filter screen is disposed between the solid tank 5003 and the header tank 5004.
  • the filter 5005 is a funnel-shaped structure
  • the upper part of the solid box 5003 is connected to the lower end of the hydrogen hair storage tank 1000 through the third output tube 5001
  • the third output tube 5001 includes a third output valve 5002 disposed at the middle portion thereof, and a third output valve 5002.
  • the lower end of the solid tank 5003 is connected to the feed port 9000 through the first recovery pipe 5008, and the inlet port of the first recovery pipe 5008 is connected to the lower end of the filter 5005 through the header tank 5004.
  • the lower portion of the 5004 is connected to the upper portion of the water tank 44 through a first liquid return pipe 5006.
  • the first liquid return pipe 5006 includes a first liquid return pump 5007 disposed at a middle portion thereof, and the first liquid return pump 5007 is connected to the hydrogen generator control system 8000.
  • a liquid level sensor is disposed in the liquid collecting tank 5004, and the liquid level sensor is connected to the hydrogen generating device control system 8000.
  • the liquid level sensor is supplied to the hydrogen generating device control system 8000.
  • a feedback signal, the hydrogen delivery device control system 8000 controls the first liquid return pump 5007 to open, pumping the liquid in the header tank 5004 into the water tank 44.
  • the return tank 34 relies on the hydrogen pressure in the hydrogen hair storage tank 1000 to obtain by-products in the hydrogen hair storage tank 1000.
  • the hydrogen hair storage tank 1000 obtains the metal hydride and the liquid reactant, the two are in the hydrogen hair storage chamber.
  • the reaction takes place in 1000 to obtain by-products.
  • the hydrogen generating device control system 8000 controls the third output valve 5002 of the third output pipe 5001 to be opened, and the by-product flows into the solid box 5003 of the return tank 34 under the action of hydrogen pressure.
  • the liquid in the solid tank 5003 naturally flows into the header tank 5004 through the filter 5005 under the action of gravity, and a solid matter deposited on the filter screen 5005 is obtained.
  • the solid matter refers to a solid-liquid mixture containing a small amount of liquid obtained after filtration.
  • the automatic continuous hydrogen generating device of the present invention further comprises a sensor interface disposed at the feeding port 9000, wherein the sensor interface is respectively connected to the first level sensor and the second level sensor, and the sensor interface is detected by the solid state hydrogenation device.
  • the detection interface of the unit is connected to the hydrogenation device control system, and the first level sensor and the second level sensor are respectively used for detecting the solid hydrogen storage in the raw material tank 24, the liquid reactant storage in the water tank 44, and feedback through the sensor interface.
  • the sensor interface can also be coupled to the hydrogen generator control system 8000, which is coupled to the detection interface of the detection unit of the solid state hydrogenation unit to connect the hydrogen generator control system 8000 to the hydrogenation unit control system of the solid state hydrogenation unit.
  • the hydrogen storage tank 3000 is used for acquiring and storing hydrogen from the hydrogen hair storage tank 1000 and hydrogen gas for the hydrogen power equipment, and is connected to the hydrogen hair storage tank 1000 through the second output pipe 3001, and the second output pipe 3001 includes the first portion disposed in the middle portion.
  • the two output valves 3002 and the second output pump 3003, the second output valve 3002 and the second output pump 3003 are respectively connected to the hydrogen generator control system 8000.
  • the hydrogen storage tank 3000 further includes a pressure sensor for detecting the air pressure in the hydrogen storage tank 3000.
  • the hydrogen storage tank 3000 needs to maintain a certain hydrogen storage capacity and air pressure.
  • the hydrogen generating device control system 8000 controls the second output valve 3002 to open and the second output.
  • the pump 3003 is turned on, and the hydrogen in the hydrogen hair storage tank 1000 is sent into the hydrogen storage tank 3000.
  • the hydrogen generating device control system 8000 controls the second output valve 3002 to be closed and the second output.
  • the pump 3003 is stopped; if hydrogen is required to be replenished in the hydrogen storage tank 3000, and there is no hydrogen in the hydrogen hair storage tank 1000, the hydrogen hair storage tank 1000 respectively obtains metal hydride and liquid reactants from the raw material tank 24 and the water tank 44, and the reaction generates hydrogen gas. After the rating, hydrogen is sent to the hydrogen storage tank 3000 under the control of the hydrogen generator control system 8000.
  • the hydrogen storage tank 3000 further includes a first hydrogen pipe 3004 connected thereto, the first hydrogen pipe 3004 is connected to the hydrogen power device, and the first hydrogen pipe 3004 includes a first hydrogen gas valve disposed at the middle portion thereof. 3005.
  • the first hydrogen delivery valve 3005 is connected to a control system of a hydrogen energy vehicle or a hydrogen power plant.
  • the continuous hydrogen generating device of the invention has a flexible feeding mode, and can be used for docking automatic feeding equipment or manual feeding.
  • the feed port 9000 is used for connection to a hydrogenation unit or can be fed manually. Preferably, it is used in connection with the solid state hydrogenation unit of the present invention.
  • the hydrogen hair storage tank 1000 takes the metal hydride and the liquid reactant from the raw material tank 24 and the water tank 44 in batches, and mixes the two to obtain hydrogen gas, and a solid-liquid mixture.
  • a chemical reaction of MgH 2 +H 2 O ⁇ Mg(OH) 2 +H 2 ⁇ occurs in the hydrogen hair cleavage 1000.
  • an aqueous solution of water or an acidic substance is excessive to ensure complete reaction of MgH 2 , therefore,
  • the metal hydride in the hydrogen hair clerk 1000 reacts with the liquid reactant to obtain hydrogen and by-products, respectively, and the by-product is a solid or a solid-liquid mixture.
  • the hydrogen generator control system 8000 controls the hydrogen warehousing 1000 batches to obtain metal hydride and liquid reactants from the raw material tank 24 and the water tank 44, respectively, through programming control of the hydrogen generator control system 8000.
  • the amount of metal hydride and the amount of liquid reactant obtained each time the hydrogen hair storage 1000 is obtained may be specified in the program, and reference is made to the respective tank reserves.
  • the hydrogen hair storage 1000 further includes a cooling device.
  • the cooling device can cool the hydrogen hair storage 1000 by using a liquid cooling, a heat dissipation film or an air cooling method.
  • the cooling device includes a duct or cavity disposed outside the hydrogen hair storage tank 1000, and the cooling liquid flows in the duct or the cavity to cool the hydrogen hair silo 1000.
  • the cooling liquid may be a liquid reactant in the water tank 44, or other cooling liquid may be used to cool the hydrogen hair storage tank 1000.
  • the working process of the automatic continuous hydrogen generating device of the present invention is divided into a feeding process and a hydrogen generating process, wherein the feeding process is the same as the feeding process of the solid state hydrogenating device.
  • the hydrogen generation process of the automatic continuous hydrogen emission device of the present invention is as follows:
  • the hydrogen generating device control system 8000 controls the third input valve 2002 of the third input pipe 2001 to open, and adds a rated amount of metal hydride to the hydrogen hair storage 1000. After the addition, the hydrogen generating device control system 8000 controls the third.
  • the input valve 2002 is closed;
  • the hydrogen generator control system 8000 controls the fourth input valve 4002 of the fourth input pipe 4001 to be opened, the fourth input pump 4003 to be opened, and a rated amount of liquid reactant is added to the hydrogen hair storage bin, and the hydrogen generating device is added.
  • the control system 8000 controls the fourth input valve 4002 to be closed, and the fourth input pump 4003 to stop to obtain hydrogen and by-products;
  • the hydrogen generating device control system 8000 controls the second output valve 3002 of the second output pipe 3001 to be opened, the second output pump 3003 to be turned on, and the hydrogen gas to be in the second output. Under the action of the pump 3003, the hydrogen generating chamber 1000 enters the hydrogen storage tank 3000.
  • the hydrogen generating device control system 8000 controls the second output valve 3002 to be closed, and the second output pump 3003. stop.
  • the hydrogen generator control system 8000 controls the third output valve 5002 to be opened, and the by-product flows into the return tank 34 from the hydrogen hair cartridge 1000 under the pressure of hydrogen. After completion, the hydrogen generator control system 8000 controls the third input valve. 5002 closed;
  • the filter 5005 filters the by-products, and the liquid enters the header tank 5004.
  • the hydrogen generator control system 8000 controls the first liquid return pump 5007 to open, transferring the liquid in the header tank 5004 to the liquid reactant storage tank 4000.
  • the raw materials can be added by the solid state hydrogenation unit while recovering by-products.

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  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
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Abstract

Une unité d'hydrogénation solide comprend un système d'alimentation en matière première, un système de récupération de retour, un système d'alimentation en eau, des systèmes de ventilateurs et un système de commande. Une conduite d'eau (4) pour transporter des réactifs liquides, le système d'alimentation en matière première via une conduite d'alimentation (22) et le système de récupération de retour via une conduite de retour (32) sont connectés respectivement à un pistolet dévidoir (28), et la conduite d'alimentation (22), la conduite de retour (32) et la conduite d'eau (4) sont assemblées au pistolet dévidoir (28) pour former une structure intégrée. Cette unité est principalement utilisée pour l'alimentation et le recyclage de véhicules à pile à combustible à hydrogène en phase solide, et également pour l'alimentation et le recyclage d'autres stations d'alimentation à accumulation à hydrogène en phase solide ou de systèmes d'énergie thermique à hydrogène en phase solide.
PCT/CN2018/123006 2018-03-14 2018-12-24 Unité d'hydrogénation solide WO2019174352A1 (fr)

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