Internal combustion engine waste heat drum-type water decomposing agent random hydrogen production device

Abstract

The invention relates to an internal combustion engine waste heat drum-type water decomposition agent random hydrogen production device, which belongs to the technical field of hydrogen production, mainly comprises a material box, a water decomposition agent, a material supply pipe, a material supply valve, a drum, a fixed cover, a bearing, a sealing ring, an internal combustion engine exhaust pipe, a motor, a water supply pipe, a water return pipe, a recovery tank, a purifier, a mixed flow pipe and the like, and is characterized in that the material box is filled with the water decomposition agent; two electrically operated valves are connected in series in the middle of the material receiving box on the feeding pipe, a fixed cover inlet is connected below the electrically operated valves, a gas turbine exhaust pipe is arranged in the roller, a fixed cover outlet is communicated with a recycling tank inlet, and the mixed flow pipe is communicated with a purifier. The working process is as follows: after being heated in the roller, the water decomposing agent is in contact with water vapor for chemical reaction to generate hydrogen, and after the hydrogen and excessive water vapor are purified by the purifier, the hydrogen is discharged, and water is recycled. The method has the advantages that the cost is lower than that of existing industrial hydrogen production and is close to zero; 2, no pollution; 3, random hydrogen production is applicable to power generation of a hydrogen internal combustion engine and a hydrogen-oil co-combustion internal combustion engine to drive vehicles, ships and the like; raw materials are sufficient and easy to obtain; and 5, no waste is discharged.

Description

Technical Field

[0001] The invention discloses an internal combustion engine waste heat drum-type water decomposition agent random hydrogen production device, belonging to the technical field of hydrogen production. Background Art

[0002] Hydrogen is a secondary green energy source, so its lack of widespread adoption stems from the high cost of hydrogen production. Existing hydrogen production methods, ranked from lowest to highest cost per kilogram of hydrogen, are: coal-based hydrogen at 9-11 yuan (coal costs 550 yuan / ton, highly polluting), industrial byproduct hydrogen at 12-18 yuan, natural gas-based hydrogen at 20-24 yuan (natural gas at 3.5 yuan / m³), methanol-based hydrogen at 23-25 yuan (methanol at 3,000 yuan / ton), and alkaline water electrolysis hydrogen at 40-50 yuan (electricity at 0.6 yuan / kWh). Coal-based hydrogen is considered gray hydrogen, and the high pollution levels of the production process negate its purpose. The experimental prototype of this device produces hydrogen at the lowest cost, approaching 0 yuan / kilogram, and the process is pollution-free. A search has found no related reports or similar products. Summary of the Invention

[0003] The present invention provides an internal combustion engine waste heat drum-type water decomposition agent random hydrogen production device, which includes: a material box, a water decomposition agent, a feed valve, a feed pipe, a bearing, a sealing ring, a drum, an internal combustion engine exhaust pipe, a motor, a small sprocket, a chain, a large sprocket, a drum cover, a cooling water channel, a fixed cover B, a steam pipe, a steam valve, a water inlet valve, a water inlet pipe, a steam water jacket, a drain valve, a recovery pipe, a recovery tank, a recovery valve, a water supply pipe, a return pipe, a water tank, a submersible pump, a fixed cover A, a mixed flow pipe, a hydrogen outlet, a purifier, a purification liquid, a drain valve, a liquid injection port, etc. The device is characterized in that: the water decomposition agent is installed in the material box, the upper end of the feed pipe is connected to the material box discharge port, the lower end of the two feed valves is connected in series in the middle and is connected to the feed inlet of the fixed cover A, the inner holes of the fixed cover A and the fixed cover B are connected to the outer surface of the internal combustion engine exhaust pipe. The circular weld is provided with a cooling water channel and is hinged to the drum cover through a sealing ring, a bearing, and the drum cover is welded to the drum. The large sprocket is welded to the outer circle of the drum cover and is connected to the small sprocket on the motor output shaft through a chain. The steam water jacket is welded to the outer circle of the internal combustion engine exhaust pipe and is connected to the steam inlet of the fixed cover B through a steam pipe and a steam valve. It is connected to the water supply pipe through a water inlet pipe and a water inlet valve and is provided with a drain valve. The upper part of the recovery tank is connected to the discharge port of the fixed cover B through a recovery pipe, and the lower part is equipped with a recovery valve. The upper part of the water tank is connected to the return pipe and is provided with a water injection port and a built-in submersible pump. The water outlet of the submersible pump is connected to the water supply pipe. The upper end of the mixing pipe is connected to the air outlet of the fixed cover A and the lower end extends into the lower part of the purifier. The upper part of the purifier is provided with a liquid injection port with a closed cover and a hydrogen outlet. The lower part is equipped with a drain valve filled with purified liquid.

[0004] Working principle: When the dehydrating agent (iron powder) is in a state of suspension, collision and friction in the drum, it is heated to about 600 degrees by the exhaust pipe of the internal combustion engine and comes into contact with water vapor, a chemical reaction occurs. The reaction equation is:

[0005] 3Fe+4H2O(g)=Fe3O4+4H2

[0006] The raw materials iron powder and water before the reaction, the reaction process, and the products hydrogen and ferroferric oxide after the reaction are all pollution-free and green.

[0007] Working process: A hydrogen-oil mixed combustion internal combustion engine or a hydrogen internal combustion engine first runs on reserve fuel. When the exhaust pipe reaches the set temperature, power is supplied, the drum rotates, and the two feed valves operate alternately. Under the action of gravity, the dehydrating agent (iron powder) is fed into the drum, where it is heated and contacts the water vapor, causing a chemical reaction to produce hydrogen and ferroferric oxide. The hydrogen and excess water vapor enter the purifier through the mixing pipe, absorbs the water vapor, and discharges the hydrogen to supply the internal combustion engine. The ferroferric oxide falls by gravity into a recovery tank for storage.

[0008] Economic Benefits: Currently, the market price of 325-mesh iron powder and ferroferric oxide of the same mass is roughly equivalent, at approximately 4,000 yuan per ton. According to theoretical calculations based on the chemical reaction equation, 21 kilograms of iron powder and 9 kilograms of water are required to produce 1 kilogram of hydrogen, yielding 29 kilograms of ferroferric oxide. Ferroferric oxide contains 8 kilograms more iron powder than the raw iron powder (from the oxygen in the water), and increasing the mesh size increases its value. High-mesh ferroferric oxide (600-700 mesh) has a market price of approximately 5,000 yuan per ton. 29 kilograms of ferroferric oxide costs 145 yuan, 84 yuan more than the raw iron powder, resulting in a surplus of 61 yuan, which can be used to offset production costs (wages, taxes, etc.). During the chemical reaction, the dynamic iron powder particles stirred up by the drum rub against each other, revealing new surfaces for further reaction. As the reaction progresses, the particles become smaller until the reaction is complete, and the mesh size increases. The value of ferroferric oxide increases, and its applications are diverse, including paint, welding rods, brake pads, and wastewater purification. This is the basis for the near-zero cost and economic benefits of this device for hydrogen production.

[0009] Energy efficiency: To produce 1 kg of hydrogen, 21 kg of iron powder must be heated to approximately 600°C, consuming 21 * 0.11 * 600 = 1,386 kcal. Heating 9 kg of water to 100°C consumes 9 * 100 * 1 = 900 kcal, and converting it into steam consumes another 9 * 5.41 = 48.69 kcal, for a total of 2,785 kcal. Assuming a thermal efficiency of 0.5, the self-consumption energy is 5,570 kcal. 1 kg of hydrogen has 34,155 kcal. Subtracting the self-consumption energy of 5,570 kcal leaves 258,585 kcal, a calorific value approximately equal to 3.5 liters of gasoline. Self-consumption energy is provided by the waste heat of the internal combustion engine, resulting in even better energy efficiency.

[0010] This device utilizes waste heat from internal combustion engine exhaust pipes to produce hydrogen on-the-go, eliminating the need for onboard high-pressure hydrogen storage tanks, storage, and transportation. It is suitable for hydrogen-oil mixed combustion internal combustion engines and hydrogen internal combustion engines for power generation, driving high-power equipment such as tractors, engineering vehicles, trains, and ships. Utilizing waste heat from internal combustion engines offers excellent economic, energy, and environmental benefits.

[0011] There are five advantages: first, the cost is close to zero; second, the environmental benefits are pollution-free; third, it is random; fourth, there is no waste; and fifth, the raw materials are sufficient and easy to purchase. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Attachment Figure 1 It is a structural schematic diagram of the present invention. DETAILED DESCRIPTION

[0013] Attachment Figure 1 , is a schematic diagram of the structure of the present invention, as shown in the figure: material box 1, water decomposition agent 2, feeding valve 3, feeding pipe 4, bearing 5, sealing ring 6, roller 7, internal combustion engine exhaust pipe 8, motor 9, small sprocket 10, link bar 11, large sprocket 12, roller cover 13, cooling water channel 14, fixed cover B15, steam pipe 16, steam valve 17, water inlet valve 18, water inlet pipe 19, steam water jacket 20, drain valve 21, recovery pipe 22, recovery tank 23, recovery valve 24, water supply pipe 25, The invention is composed of a return pipe 26, a water tank 27, a submersible pump 28, a fixed cover A29, a mixing pipe 30, a hydrogen outlet 31, a purified liquid 32, a drain valve 33, a purifier 34, a liquid injection port 35, etc., which is characterized in that: the material box 1 is filled with a water decomposition agent 2, the upper end of the feed pipe 4 is connected to the discharge port of the material box 1, the middle part is connected in series with two feed valves 3, and the lower end is connected to the feed port of the fixed cover A29, the inner hole of the fixed cover A29 and the fixed cover B15 are welded to the outer circle of the internal combustion engine exhaust pipe 8, and a cooling water channel 14 is provided therein and is passed through

[0014] The sealing ring 6 bearing 5 is hinged to the drum cover 13, the drum cover 13 is welded to the drum 7, the large sprocket 12 is welded to the outer circle of the drum cover 13 and is connected to the small sprocket 10 on the output shaft of the motor 9 through the chain 11, the steam water jacket 20 is welded to the outer circle of the internal combustion engine exhaust pipe 8, and the steam valve 17 is connected to the steam inlet of the fixed cover B15 through the steam pipe 16. The water inlet valve 18 is connected to the water supply pipe 25 and is provided with a drain valve 21. The upper part of the recovery tank 23 is connected by Recovery pipe 22 is connected to the discharge port of fixed cover B15 and is equipped with a recovery valve 24 at its lower portion. The upper portion of water tank 27 is connected to return pipe 26 and has a water inlet and a built-in submersible pump 28. The outlet of submersible pump 28 is connected to water supply pipe 25. The upper end of mixing pipe 30 is connected to the outlet of fixed cover A29 and the lower end extends into the lower portion of purifier 34. Purifier 34 has a liquid inlet 35 with a closed cover and a hydrogen outlet 31 at its upper portion. The lower portion is equipped with a drain valve 33 and contains purified liquid 32. For the convenience of automatic control, the valves in the figure are all electric valves.

[0015] If the aforementioned ferroferric oxide is sold in excess as a chemical raw material, the carbon monoxide in the flue gas from charcoal production from straw (including other plants) or the methane in biogas produced from straw can be used to reduce the ferroferric oxide to obtain iron powder for recycling. The carbon dioxide emitted in this process is an equal amount of carbon dioxide absorbed from the atmosphere during plant growth and is returned to the atmosphere. There is no incremental stock and it is harmless to the environment. Humans and animals consume plants and emit carbon dioxide all the time. Plants are carriers of carbon dioxide circulation in the atmosphere, and billions of years of environmental history are iron proof of this. The carbon dioxide emitted into the atmosphere from the combustion of coal and oil is an incremental stock and the root cause of environmental degradation. If emissions are not reduced, the environment will continue to deteriorate.

[0016] The present invention has a simple structure, is suitable for hydrogen internal combustion engines and hydrogen-oil mixed combustion internal combustion, and is used for power generation, driving vehicles, ships, etc.

Claims

1. An internal combustion engine waste heat drum-type water decomposition agent random hydrogen production device, comprising: Material box (1), dehydrating agent (2), feeding valve (3), feeding pipe (4), bearing (5), sealing ring (6), roller (7), internal combustion engine exhaust pipe (8), motor (9), small sprocket (10), chain (11), large sprocket (12), roller cover (13), cooling water channel (14), fixed cover B (15), steam pipe (16), steam valve (17), water inlet valve (18), water inlet pipe (19), steam water jacket (20), drain valve (21), recovery pipe (22), recovery tank (23), recovery valve (24), water supply pipe ( 25), a return pipe (26), a water tank (27), a submersible pump (28), a fixed cover A (29), a mixing pipe (30), a hydrogen outlet (31), a purified liquid (32), a drain valve (33), a purifier (34), and a liquid injection port (35), wherein the material box (1) is filled with a water decomposing agent (2), the upper end of the feed pipe (4) is connected to the discharge port of the material box (1), two feed valves (3) are connected in series in the middle, the lower end is connected to the feed port of the fixed cover A (29), the inner holes of the fixed cover A (29) and the fixed cover B (15) are welded to the outer circle of the exhaust pipe (8) of the internal combustion engine. A cooling water channel (14) is provided inside and is hinged to the drum cover (13) via a sealing ring (6) and a bearing (5). The drum cover (13) is welded to the drum (7). A large sprocket (12) is welded to the outer circumference of the drum cover (13) and is connected to a small sprocket (10) on the output shaft of the motor (9) via a chain (11). A steam water jacket (20) is welded to the outer circumference of the exhaust pipe (8) of the internal combustion engine and is connected to the steam inlet of the fixed cover B (15) via a steam pipe (16) and a steam valve (17). It is connected to a water supply pipe (25) via a water inlet pipe (19) and a water inlet valve (18). A drain valve (21) is provided. The upper portion of the recovery tank (23) is connected to the discharge port of the fixed cover B (15) through the recovery pipe (22), and the lower portion is equipped with a recovery valve (24). The upper portion of the water tank (27) is connected to the return pipe (26) and is provided with a water injection port and a built-in submersible pump (28). The water outlet of the submersible pump (28) is connected to the water supply pipe (25). The upper end of the mixing pipe (30) is connected to the gas outlet of the fixed cover A (29), and the lower end extends into the lower portion of the purifier (34). The upper portion of the purifier (34) is provided with a liquid injection port (35) with a sealing cover and a hydrogen outlet (31). The lower portion is equipped with a drain valve (33) and the purified liquid (32) is filled therein.

2. The internal combustion engine waste heat drum type water decomposition agent random hydrogen production device according to claim 1, characterized in that The water decomposing agent (2) is made of iron powder.

3. The internal combustion engine waste heat drum type water decomposition agent random hydrogen production device according to claim 1, characterized in that The purification liquid (32) consists of sodium stearate and water.

4. The internal combustion engine waste heat drum type water decomposition agent random hydrogen production device according to claim 1, characterized in that The roller (7), the internal combustion engine exhaust pipe (8), the roller cover (13), the fixed cover A (29), and the fixed cover B (15) are made of austenitic 304 stainless steel.

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