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Reformer of methanol-water hydrogen manufacturing equipment, and manufacturing technology of reformer

A technology of hydrogen production equipment and manufacturing process, applied in the field of methanol water hydrogen production equipment, can solve the problems of heat energy loss, easy corrosion, reduced performance and service life, etc., and achieve the effects of low surface temperature, good insulation, and good heat preservation.

Active Publication Date: 2014-12-24
GUANGDONG HYDROGEN ENERGY SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reformer shell and base of the existing methanol-water hydrogen production equipment are made of stainless steel. Although they have high strength and high temperature resistance, the stainless steel reformer shell and base have the following deficiencies: 1. In a hydrogen environment, it is easy to corrode and oxidize; secondly, the thermal insulation performance is poor, and the heat loss is large. Due to the thermal conductivity of stainless steel, the heat energy in the reforming chamber and combustion chamber is easily exported by the stainless steel shell and base and lost; thirdly . Due to the high temperature of the stainless steel shell and base, other components of methanol water hydrogen production equipment (such as solid hydrogen storage, methanol water storage container, raw material delivery device, etc.) are vulnerable to high temperature damage of the reformer shell and base , and reduce the performance and service life; Fourth, because the methanol-water hydrogen production equipment is an important equipment of the alcohol-water power generation system, and the alcohol-water power generation system also includes a control system, a fuel cell (stack), an inverter, a solenoid valve, Live parts such as air pressure regulators, therefore, the conductive properties of the stainless steel shell and base will affect the circuit design of the alcohol-water power generation system, and even cause a short circuit in the alcohol-water power generation system; Fifth, the stainless steel shell and base of the reformer The weight is heavy, which is unfavorable for the transportation of hydrogen production equipment

Method used

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  • Reformer of methanol-water hydrogen manufacturing equipment, and manufacturing technology of reformer
  • Reformer of methanol-water hydrogen manufacturing equipment, and manufacturing technology of reformer
  • Reformer of methanol-water hydrogen manufacturing equipment, and manufacturing technology of reformer

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Effect test

Embodiment 1

[0041] Such as Figure 1 to Figure 4 As shown, a reformer of methanol-water hydrogen production equipment is provided with a reforming chamber 5 and a combustion chamber 6 in the reformer. In the reforming chamber 5, under the action of a catalyst, methanol cracking reaction and carbon monoxide generation occur. The conversion reaction generates hydrogen and carbon dioxide, and the temperature in the reforming chamber 5 is between 350-409°C; in the combustion chamber 6, the hydrogen burns to provide heat for the reforming chamber 5, and the temperature in the combustion chamber 6 is 405-570 between ℃. The reformer includes a reformer shell 1, which sequentially includes a stainless steel inner shell 11, an insulating cotton layer 12, and a mica shell 13 from the inside to the outside, and the reformer shell 1 and the stainless steel inner shell The diameter-thickness ratio of the shell 11 is 150:0.8-150:2.5, the diameter-thickness ratio of the reformer shell 1 and the insulat...

Embodiment 2

[0046] Such as Figure 5 It is shown that a reformer manufacturing process of methanol water hydrogen production equipment, including the manufacturing process of the mica shell of the reformer shell, the manufacturing process of the thermal insulation cotton layer of the reformer shell and the stainless steel inner shell of the reformer shell Manufacturing process, of which:

[0047] The manufacturing process of the mica shell of the reformer shell comprises the following steps:

[0048] (1) Mica, aluminosilicate, carbonate and high refractoriness inorganic minerals are crushed and ground into powders with a size of 50 μm ~ 300 μm, calculated according to the total weight of 100, and the ratio is 35 ~ 45: 25 ~ 35: 10~15: 5~15 Take materials and mix them, and stir them evenly;

[0049] (2) Add 10-15% binder of the total weight of the mixture to evenly mix and bond the mixture;

[0050] (3) Under static pressure conditions with a pressure of 15-25Mpa, the mixed binder is sta...

Embodiment 3

[0054] Such as Image 6 As shown, the difference between this embodiment and Embodiment 2 is that the manufacturing process of the reformer in this embodiment also includes the manufacturing process of the mica base of the reformer, the mica exhaust pipe and the mica check valve. The manufacturing process includes the following steps:

[0055] (1) Crush and grind mica, aluminosilicate, carbonate and high-refractoriness inorganic minerals respectively into powders with a size of 50 μm to 300 μm, calculated according to the total weight of 100, and the ratio is 35~45:25~ 35: 10~15: 5~15 Take materials and mix them, and stir them evenly;

[0056] (2) Add 10-15% binder of the total weight of the mixture to evenly mix and bond the mixture;

[0057] (3) Under the static pressure condition of 15-25Mpa, the mixed binder is statically pressed into mica base, mica exhaust pipe and mica check valve;

[0058] (4) Send the mica shell formed by static pressure into the barbecue oven, grad...

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Abstract

The invention discloses a reformer of methanol-water hydrogen manufacturing equipment, and a manufacturing technology of reformer, relating to the technical field of methanol-water hydrogen manufacturing equipment. The reformer of the methanol-water hydrogen manufacturing equipment comprises a reformer shell, wherein the reformer shell sequentially comprises a stainless steel inner shell, an insulating cotton layer and a mica outer shell from inside to outside, the diameter-thickness ratio of the reformer shell to the stainless steel inner shell is (150:0.8)-(150:2.5), the diameter-thickness ratio of the reformer shell to the insulating cotton layer is (150:10)-(150:20), and the diameter-thickness ratio of the reformer shell to the mica shell is (150:1.5)-(150:3.5). The reformer not only is high-temperature-resistant and high in strength, but also is good in insulating property, corrosion-resistant, oxidization-resistant, waterproof, non-conductive, and light in weight.

Description

technical field [0001] The invention relates to the technical field of methanol-water hydrogen production equipment, in particular to a reformer of methanol-water hydrogen production equipment, and at the same time, the invention also relates to a manufacturing process of the reformer. Background technique [0002] Hydrogen is one of the most ideal energy sources in the 21st century. When burning the same weight of coal, gasoline and hydrogen, hydrogen produces the most energy, and the product of its combustion is water without ash and waste gas. pollute the environment; while coal and oil combustion mainly produce CO 2 and SO 2 , which can produce the greenhouse effect and acid rain respectively. The reserves of coal and oil are limited, while hydrogen is mainly stored in water, and the only product after combustion is water, which can continuously produce hydrogen and never run out. The distribution of hydrogen is very wide, and water is a large "warehouse" of hydrogen,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B3/32
CPCB01J8/0285B01J19/02B01J2208/00495B01J2208/00504B01J2219/0277C01B3/323C01B2203/0233C01B2203/0822C01B2203/1223Y02P20/10B01J7/02C01B2203/0216C01B2203/0283
Inventor 向华
Owner GUANGDONG HYDROGEN ENERGY SCI & TECH
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