Miniaturized methanol reforming hydrogen production device
By designing a miniaturized methanol reforming hydrogen production unit, hydrogen is produced outdoors using an evaporation unit heated by a fire source. The hydrogen is then purified and stored through catalysis and separation units. This solves the problems of excessive unit size and difficulty in outdoor use, and improves the flexibility and safety of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUNAN JAPRUI TECH CO LTD
- Filing Date
- 2026-02-12
- Publication Date
- 2026-04-10
AI Technical Summary
Existing methanol reforming hydrogen production units are too large to be suitable for mobile fuel cell applications, and it is difficult to use electricity to heat and evaporate methanol outdoors.
A miniaturized methanol reforming hydrogen production unit was designed, comprising a housing, a heating device, a separation device, a catalytic device, and an extension device. Hydrogen is produced outdoors by heating the evaporation device with a fire source, and the hydrogen is purified and stored through the catalytic device and the separation device.
It enables safe and flexible hydrogen production under outdoor conditions, improving the operational flexibility and safety of the equipment and adapting to the needs of different application environments.
Smart Images
Figure CN224100722U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of methanol reforming for hydrogen production, specifically to a small-sized methanol reforming device for hydrogen production. BACKGROUND
[0002] Methanol reforming for hydrogen production is a chemical process that converts methanol into hydrogen gas, widely used in hydrogen energy production and fuel cell technology. The process mainly involves the reaction of methanol and water vapor under the action of a catalyst to produce hydrogen and carbon dioxide, as shown in the reaction formula: The reaction usually takes place at a temperature of 250-300°C, using catalysts such as copper-zinc-aluminum to improve reaction efficiency. Methanol reforming for hydrogen production has several advantages. First, methanol, as a liquid fuel, is easy to store and transport, making it more convenient than natural gas. Second, the raw materials for methanol production are widely available and can be produced through various means, such as the conversion of synthesis gas or the fermentation of biomass. In addition, the hydrogen produced by the methanol reforming process has high purity, making it suitable for high-demand applications such as fuel cells.
[0003] Currently, the internal structure of the methanol reforming device for hydrogen production is complex, and the overall size is too large, which cannot well adapt to various mobile fuel cell application scenarios. At the same time, most hydrogen production equipment requires electrical energy to heat and evaporate to heat methanol, which is difficult to use outdoors. CONTENT OF THE INVENTION
[0004] (I) Technical problems solved
[0005] In view of the shortcomings of the prior art, the present application provides a small-sized methanol reforming device for hydrogen production, which solves the problems of excessive size and difficulty in outdoor use.
[0006] (II) Technical solutions
[0007] To achieve the above purpose, the present application is implemented by the following technical solutions: a small-sized methanol reforming device for hydrogen production, comprising a box body, one end of the box body is fixedly connected with a gas outlet and a liquid inlet on the inner side surface; the other end of the box body is hingedly connected with a rear box door; the upper surface of the box body is fixedly connected with a carrying strap; the side surface of the box body is hingedly connected with a replacement door; the inner bottom wall of the box body is fixedly connected with a heating device for evaporating methanol; the inner bottom wall of the box body is fixedly connected with a separation device near the gas outlet for separating carbon dioxide; the inner bottom wall of the box body is fixedly connected with a catalytic device near the separation device for catalyzing methanol gas; the inner bottom wall of the box body is movably connected with an extension device near the catalytic device for lengthening the line pipe; the inside of the box body is provided with a first evaporation device near the extension device for outdoor heating.
[0008] Preferably, the separation device comprises a water tank, a water replacement pipe and a feeding cover; the water tank is fixedly connected to the inner bottom wall of the box body; the feeding cover is fixedly connected to the upper end of the water tank; the water replacement pipe is fixedly connected to the inner side surface of the lower end of the water tank; the upper end of the water tank is externally connected to the gas outlet interface extending in the inner side surface of the box body.
[0009] Preferably, the catalytic device comprises a sealed box, a placing groove and a guide strip; the sealed box is fixedly connected to the inner bottom wall of the box body; the placing groove is slidingly connected to the inner side surface of the sealed box through a sliding groove; the placing groove is provided with multiple channels; the guide strip is fixedly connected to the side surface of the placing groove located at the air inlet; the sealed box and the water tank are communicated through a pipeline.
[0010] Preferably, the extension device comprises a moving shell, a rotating rod, a hose, a limiting gear, a rotating handle, a fixing ring, a sliding rod, a spring and a limiting block; the moving shell is slidingly connected to the inner side surface of the box body; the rotating rod is rotatably connected to the inner side surface of the moving shell, one end of which extends to the outside of the box body through the moving shell; the fixing ring is provided with two, which are fixedly connected to the middle section of the rotating rod; the middle position of the hose is fixedly connected to the rotating rod through the fixing ring; one end of the hose is connected to the inside of the sealed box, and the other end is connected to the inside of the first evaporation device.
[0011] Preferably, the rotating handle is fixedly connected to the end of the rotating rod extending to the outside of the box body; the box body is provided with a sliding rail at the position of the rotating rod for sliding the rotating handle; the limiting gear is fixedly connected to the outer side wall of the rotating rod; the limiting block is slidingly connected to the inner side surface of the moving shell; one end of the sliding rod is fixedly connected to the side surface of the limiting block, and the other end is slidingly connected to the inner side surface of the moving shell; the spring is sleeved on the outer side wall of the sliding rod; one end of the spring is fixedly connected to the inner side surface of the limiting block, and the other end is fixedly connected to the inner side surface of the moving shell.
[0012] Preferably, the first evaporation device comprises a heating shell, a first evaporation pipe and an inner container; the heating shell is placed on the inner side surface of the box body; the first evaporation pipe is wound around the annular surface of the inner container; the inner container is fixedly connected to the inner side surface of the heating shell; the inlet and outlet positions of the first evaporation pipe are respectively connected to the hoses wound around the two ends of the rotating rod.
[0013] Preferably, the heating device comprises an electric heater and a second evaporation pipe; the electric heater is fixedly connected to the inner bottom wall of the box body; the second evaporation pipe is fixedly connected to the inner side surface of the electric heater; the two ends of the second evaporation pipe are respectively connected to the liquid inlet and the hose.
[0014] Preferably, the water tank, the sealed box, the hose, the first evaporation pipe and the second evaporation pipe are communicated through a pipeline.
[0015] Preferably, the first evaporation pipe and the second evaporation pipe are copper pipes; and the hose is made of rubber material.
[0016] (Three) beneficial effects
[0017] The present application provides a miniaturized methanol reforming hydrogen production device. It has the following beneficial effects:
[0018] 1. By setting the evaporation device, hydrogen can be produced on site when used outdoors, avoiding the risks brought by transportation and storage of hydrogen during outdoor activities, scientific experiments or emergency situations.
[0019] 2. By setting the heating device, hydrogen can also be produced indoors, thereby exhibiting higher flexibility and efficiency in different application environments, ensuring the safety and stability of the hydrogen production process
[0020] 3. By setting the extension device, the evaporation device and the box can be separated at a far distance when used outdoors, realizing the separation of the heating part and the reaction part, which not only improves safety and operation flexibility, but also optimizes overall thermal management and equipment maintenance, providing more convenience and efficiency for the application of small-scale methanol reforming hydrogen production equipment. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 The overall structure diagram of the miniaturized methanol reforming hydrogen production device proposed by the present application;
[0022] Figure 2 The first schematic diagram of the internal structure of the miniaturized methanol reforming hydrogen production device proposed by the present application;
[0023] Figure 3 The second schematic diagram of the internal structure of the miniaturized methanol reforming hydrogen production device proposed by the present application;
[0024] Figure 4 The schematic diagram of the heating device structure of the miniaturized methanol reforming hydrogen production device proposed by the present application;
[0025] Figure 5 The schematic diagram of the extension device structure of the miniaturized methanol reforming hydrogen production device proposed by the present application;
[0026] Figure 6 The schematic diagram of the evaporation device structure of the miniaturized methanol reforming hydrogen production device proposed by the present application;
[0027] Figure 7 The present application Figure 5 The enlarged view of A part in the present application;
[0028] Figure 8This is a schematic diagram of the catalytic device structure of the miniaturized methanol reforming hydrogen production unit proposed in this invention.
[0029] The components are as follows: 1. Box body; 2. Air outlet; 3. Liquid inlet; 4. Evaporation device; 401. Heating shell; 402. First evaporation tube; 403. Inner liner; 5. Extension device; 501. Moving shell; 502. Rotating rod; 503. Hose; 504. Limiting gear; 505. Rotating handle; 506. Fixing ring; 507. Sliding rod; 508. Spring; 509. Limiting block; 6. Catalytic device; 601. Sealed box; 602. Placement slot; 603. Guide bar; 7. Separation device; 701. Water tank; 702. Water replacement pipe; 703. Material conveying cover; 8. Heating device; 801. Electric heater; 802. Second evaporation tube; 9. Rear door; 10. Material replacement door; 11. Hand strap. Detailed Implementation
[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.
[0031] Example:
[0032] like Figures 1-8 As shown, this embodiment of the invention provides a miniaturized methanol reforming hydrogen production device, including a housing 1. An outlet 2 and a liquid inlet 3 are fixedly connected to the inner surface of one end of the housing 1. A rear door 9 is movably connected to the other end of the housing 1 via a hinge. A carrying strap 11 is fixedly connected to the upper surface of the housing 1. A material replacement door 10 is movably connected to one side surface of the housing 1 via a hinge. A heating device 8 is fixedly connected to the inner bottom wall of the housing 1 for evaporating methanol. A separation device 7 is fixedly connected to the inner bottom wall of the housing 1 near the outlet 2 for separating carbon dioxide. A catalytic device 6 is fixedly connected to the inner bottom wall of the housing 1 near the separation device 7 for catalyzing methanol gas. An extension device 5 is movably connected to the inner bottom wall of the housing 1 near the catalytic device 6 for extending the conduit. A first evaporation device 4 is installed inside the housing 1 near the extension device 5 for outdoor heating.
[0033] In the above, the interfaces of the liquid inlet 3 and the gas outlet 2 are threaded for easy installation; the heating device 8, the separation device 7, the catalytic device 6, the extension device 5, and the first evaporation device 4 are connected by pipes to form a loop.
[0034] The separating device 7 comprises a water tank 701, a water changing pipe 702 and a feeding cover 703; the water tank 701 is fixedly connected to the inner bottom wall of the box body 1; the feeding cover 703 is fixedly connected to the upper end of the water tank 701; the water changing pipe 702 is fixedly connected to the inner side surface of the lower end of the water tank 701; the upper end of the water tank 701 is externally connected to the gas outlet 2 extending in the inner side of the box body 1.
[0035] In the above, the amine solution is poured into the feeding cover 703 to adsorb carbon dioxide, and the internal solution is replaced by opening the water changing pipe 702.
[0036] The catalyzing device 6 comprises a sealed box 601, a placing groove 602 and a guide strip 603; the sealed box 601 is fixedly connected to the inner bottom wall of the box body 1; the placing groove 602 is slidingly connected to the inner side surface of the sealed box 601 through a sliding groove; the placing groove 602 is provided with multiple channels; the guide strip 603 is fixedly connected to the surface of the placing groove 602 on the side of the gas inlet; the sealed box 601 and the water tank 701 are connected through a pipeline.
[0037] In the above, the guide strip 603 is used to divide the gas input into the sealed box 601 into the overall surface of the placing groove 602, and multiple placing grooves 602 are provided to improve the catalytic efficiency.
[0038] The lengthening device 5 comprises a moving shell 501, a rotating rod 502, a hose 503, a limiting gear 504, a rotating handle 505, a fixed ring 506, a sliding rod 507, a spring 508 and a limiting clamping block 509; the moving shell 501 is slidingly connected to the inner side surface of the box body 1; the rotating rod 502 is rotatably connected to the inner side surface of the moving shell 501, and one end thereof extends to the outside of the box body 1 through the moving shell 501; the fixed ring 506 is provided with two and is fixedly connected to the middle segment of the rotating rod 502; the middle position of the hose 503 is fixedly connected to the rotating rod 502 through the fixed ring 506; one end of the hose 503 is connected to the inside of the sealed box 601, and the other end is connected to the inside of the first evaporating device 4.
[0039] In the above, the hose 503 is a hard hose, which can maintain the internal cavity when being wound on the rotating rod 502, and is convenient for liquid or gas to enter.
[0040] The rotating handle 505 is fixedly connected to the end of the rotating rod 502 extending to the position outside the box body 1; the box body 1 is provided with a sliding rail at the position of the rotating rod 502 for sliding the rotating handle 505; the limiting gear 504 is fixedly connected to the outer side wall of the rotating rod 502; the limiting block 509 is slidingly connected to the inner side surface of the moving shell 501; one end of the sliding rod 507 is fixedly connected to the side surface of the limiting block 509, and the other end is slidingly connected to the inner side surface of the moving shell 501; the spring 508 is sleeved on the outer side wall of the sliding rod 507; one end of the spring 508 is fixedly connected to the inner side surface of the limiting block 509, and the other end is fixedly connected to the inner side surface of the moving shell 501.
[0041] In the above, the rotating rod 502 is limited by the cooperation of the limiting gear 504 and the limiting block 509, which facilitates the winding of the hose 503.
[0042] The first evaporation device 4 comprises a heating shell 401, a first evaporation pipe 402 and an inner container 403; the heating shell 401 is placed on the inner side surface of the box body 1; the first evaporation pipe 402 is wound on the annular surface of the inner container 403; the inner container 403 is fixedly connected to the inner side surface of the heating shell 401; the inlet and outlet positions on the first evaporation pipe 402 are connected with the hoses 503 wound on the two ends of the rotating rod 502 respectively.
[0043] In the above, the heating shell 401 is wrapped around the inner container 403 and the first evaporation pipe 402, and the inside is made of heat preservation material, which is used to improve the temperature of the first evaporation pipe 402; the inner container 403 is made of material for rapid heat transfer.
[0044] The heating device 8 comprises an electric heater 801 and a second evaporation pipe 802; the electric heater 801 is fixedly connected to the inner bottom wall of the box body 1; the second evaporation pipe 802 is fixedly connected to the inner side surface of the electric heater 801; the two ends of the second evaporation pipe 802 are connected with the liquid inlet 3 and the hose 503 respectively.
[0045] The water tank 701, the sealed box 601, the hose 503, the first evaporation pipe 402 and the second evaporation pipe 802 are connected through pipes.
[0046] The first evaporation pipe 402 and the second evaporation pipe 802 are copper pipes; the hose 503 is made of rubber material.
[0047] Working principle: open the door 10 through the feed cover 703 in which the addition of monoethanolamine for separation of the resulting carbon dioxide, then open the sealed door and the sealed box 601 602 from the slot in which the addition of catalyst to catalyze the steam of methanol, after the liquid inlet 3 into the methanol liquid, methanol flow to the second evaporation pipe 802 of the position, in the need to store part of the hydrogen in the home when the electric heater 801 open to the second evaporation pipe 802 heating, form methanol steam, and through the pipeline flow through the hose 503 and the first evaporation pipe 402 to the sealed box 601, and through the catalyst in the slot 602 catalytic hydrogen and carbon dioxide, then the gas flow to the water tank 701, in which the carbon dioxide is absorbed by the amine solution in the water tank 701, used to purify hydrogen, then the hydrogen from the gas outlet 2 flow out of the collection;
[0048] When outdoors, the electric heater 801 is closed, the trunk door 9 is opened and the heating shell 401 is extracted and placed above the fire source for heating outdoors, the flame burns from the lower direction of the inner liner 403 to the upper direction, thereby heating the first evaporation pipe 402 wrapped outside the inner liner 403 to heat and evaporate the methanol in the first evaporation pipe 402 into gas, then transported to the catalytic device 6 and the separation device 7 through the hose 503 for subsequent operation and output from the gas outlet 2, after use, wait for the first evaporation device 4 to cool down, put the heating shell 401 back into the box 1, at the same time, rotate the rotating handle 505 to rotate the rotating rod 502, and through the limiting block 509 to simply limit the limiting gear 504, which is convenient for storage and use of the hose 503 on the rotating rod 502.
[0049] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A miniaturized methanol reforming hydrogen generation device comprising a box (1), characterized in that: One end of the box (1) is fixedly connected with the air outlet (2) and the liquid inlet (3); the other end of the box (1) is hingedly connected with the rear box door (9); the upper surface of the box (1) is fixedly connected with the carrying strap (11); the side surface of the box (1) is hingedly connected with the refueling door (10); the inner bottom wall of the box (1) is fixedly connected with the heating device (8) for evaporating methanol; the inner bottom wall of the box (1) is fixedly connected with the separation device (7) near the air outlet (2) for separating carbon dioxide; the inner bottom wall of the box (1) is fixedly connected with the catalytic device (6) near the separation device (7) for catalyzing methanol gas; the inner bottom wall of the box (1) is movably connected with the extension device (5) near the catalytic device (6) for lengthening the wire pipe; the first evaporation device (4) is arranged in the box (1) near the extension device (5) for outdoor heating.
2. The miniaturized methanol reforming hydrogen generation device according to claim 1, characterized in that: The separation device (7) comprises a water tank (701), a water replacement pipe (702) and a material conveying cover (703); the water tank (701) is fixedly connected to the inner bottom wall of the box (1); the material conveying cover (703) is fixedly connected to the upper end of the water tank (701); the water replacement pipe (702) is fixedly connected to the inner side surface of the lower end of the water tank (701); the upper end of the water tank (701) is externally connected with the pipeline extending from the air outlet (2) on the inner side of the box (1).
3. The miniaturized methanol reforming hydrogen generation device according to claim 2, characterized in that: The catalytic device (6) comprises a sealed box (601), a placing groove (602) and a guide strip (603); the sealed box (601) is fixedly connected to the inner bottom wall of the box (1); the placing groove (602) is slidably connected to the inner side surface of the sealed box (601); the placing groove (602) is provided with a plurality of channels; the guide strip (603) is fixedly connected to the side surface of the placing groove (602) located at the air inlet; the sealed box (601) and the water tank (701) are connected through the pipeline.
4. The miniaturized methanol reforming hydrogen generation device according to claim 3, characterized in that: The extension device (5) comprises a moving shell (501), a rotating rod (502), a hose (503), a limiting gear (504), a rotating handle (505), a fixed ring (506), a sliding rod (507), a spring (508) and a limiting clamping block (509); the moving shell (501) is slidably connected to the inner side surface of the box (1); the rotating rod (502) is rotatably connected to the inner side surface of the moving shell (501), one end of which extends to the outside of the box (1) through the moving shell (501); the fixed ring (506) is provided with two fixed rings, which are fixedly connected to the middle section of the rotating rod (502); the middle position of the hose (503) is fixedly connected to the rotating rod (502) through the fixed ring (506); one end of the hose (503) is connected to the inside of the sealed box (601), and the other end is connected to the inside of the first evaporation device (4).
5. The miniaturized methanol reforming hydrogen generation device according to claim 4, characterized in that: The rotating handle (505) is fixedly connected to the end of the rotating rod (502) extending to the position outside the box (1); the box (1) is provided with a sliding rail at the position of the rotating rod (502) for sliding the rotating handle (505); the limiting gear (504) is fixedly connected to the outer side wall of the rotating rod (502); the limiting block (509) is slidingly connected to the inner side surface of the moving shell (501); one end of the sliding rod (507) is fixedly connected to the side surface of the limiting block (509), and the other end is slidingly connected to the inner side surface of the moving shell (501); the spring (508) is sleeved on the outer side wall of the sliding rod (507); one end of the spring (508) is fixedly connected to the inner side surface of the limiting block (509), and the other end is fixedly connected to the inner side surface of the moving shell (501).
6. The miniaturized methanol reforming hydrogen generation device according to claim 4, characterized in that: The first evaporation device (4) comprises a heating shell (401), a first evaporation pipe (402) and an inner container (403); the heating shell (401) is placed on the inner side surface of the box (1); the first evaporation pipe (402) is wound on the annular surface of the inner container (403); the inner container (403) is fixedly connected to the inner side surface of the heating shell (401); the inlet and outlet positions on the first evaporation pipe (402) are respectively connected with the hoses (503) wound on the two ends of the rotating rod (502).
7. The compact methanol reforming hydrogen generation device according to claim 6, characterized in that: The heating device (8) comprises an electric heater (801) and a second evaporation pipe (802); the electric heater (801) is fixedly connected to the inner bottom wall of the box (1); the second evaporation pipe (802) is fixedly connected to the inner side surface of the electric heater (801); the two ends of the second evaporation pipe (802) are respectively connected with the liquid inlet (3) and the hose (503).
8. The compact methanol reforming hydrogen generation device according to claim 7, characterized in that: The water tank (701), the sealed box (601), the hose (503), the first evaporation pipe (402) and the second evaporation pipe (802) are connected through pipelines.
9. The compact methanol reforming hydrogen generation device according to claim 7, characterized in that: The first evaporation pipe (402) and the second evaporation pipe (802) are copper pipelines; the hose (503) is made of rubber material.