Oxygen carrier coal catalytic pyrolysis hydrogen production reaction device and oxygen carrier coal catalytic pyrolysis hydrogen production method

Abstract

The invention provides an oxygen carrier coal catalytic pyrolysis hydrogen production reaction device and an oxygen carrier coal catalytic pyrolysis hydrogen production method. According to the reaction device, a pyrolysis reduction furnace, a moving bed hydrogen production furnace and a combustion oxidation furnace are combined, and catalytic pyrolysis, oxidation carrier reduction and other reactions are carried out in the pyrolysis reduction furnace; then, the reduction carrier enters a moving bed hydrogen production furnace to be subjected to a hydrogen production reaction with high-temperature water vapor to produce hydrogen-rich gas, wherein the pyrolysis semicoke, the oxidation carrier and the reduction carrier which does not react completely enter a combustion oxidation furnace to be subjected to a high-temperature combustion reaction with oxygen-containing gas to generate oxidation carrier, fine ash and flue gas; wherein the oxidation carrier is circulated back to the pyrolysis reduction furnace through the material returning device, so that the circulation of heat flow and material flow is realized, and the purpose of full utilization is achieved. Compared with the prior art, the device and the method provided by the invention have the advantages that the carbon conversion rate can reach 99%, the prepared hydrogen content is 99.5%, and meanwhile, the device and the method have the characteristics of high reaction intensity, high energy utilization rate and high gas yield.

Description

technical field

[0001] The invention relates to the technical field of hydrogen production from coal, in particular to an oxygen carrier coal catalytic pyrolysis hydrogen production reaction device and an oxygen carrier coal catalytic pyrolysis hydrogen production method. Background technique

[0002] With the consumption of fossil energy and CO 2 With the increase of greenhouse gas emissions, people are paying more and more attention to a clean and efficient alternative energy source. As a kind of clean energy, hydrogen energy, in the process of energy conversion, the final product is water, which can truly achieve zero emission of pollutants, and can be widely used in aerospace power, vehicle fuel, fuel cells, combustion power generation, chemical production, etc. One of the best alternatives for energy. At present, the main methods for producing hydrogen energy include hydrogen production by steam reforming, hydrogen production by electrolysis of water, and hydrogen pro...

Examples

Embodiment 1

[0074] A new oxygen carrier coal catalytic pyrolysis hydrogen production reaction device, the inner diameter of the lower space of the pyrolysis reduction furnace 3 is 1.0m, the height is 10m, the height of the raw material inlet 2 is located at 3 / 10 of the height of the pyrolysis reduction furnace 3, and the moving bed hydrogen production furnace 8 The inner diameter is 1.5m, and the height is 6m. The combustion oxidation furnace 12 has an inner diameter of 1.2m, and a height of 30m.

[0075] Inner Mongolia lignite is selected as the raw material and fed into the pyrolysis reduction furnace 3 from the raw material inlet 2. The oxidation carrier is iron powder, and the inert agent B nitrogen is introduced into the distributor of the reduction furnace to mix and contact with the oxidation carrier to carry out catalytic pyrolysis and reduction of the oxidation carrier. For the reaction, the pyrolysis reduction furnace 3 operates at a temperature of 800°C and operates at normal pr...

Embodiment 2

[0077] A new oxygen carrier coal catalytic pyrolysis hydrogen production reaction device, the inner diameter of the lower space of the pyrolysis reduction furnace 3 is 1.0m, the height is 10m, the height of the raw material inlet 2 is located at 3 / 10 of the height of the pyrolysis reduction furnace 3, and the moving bed hydrogen production furnace 8 The inner diameter is 1.5m, and the height is 6m. The combustion oxidation furnace 12 has an inner diameter of 1.2m, and a height of 30m.

[0078] Inner Mongolia lignite is selected as the raw material and fed into the pyrolysis reduction furnace 3 from the raw material inlet 2. The oxidation carrier is iron powder, and the inert agent B nitrogen is introduced into the distributor of the reduction furnace to mix and contact with the oxidation carrier to carry out catalytic pyrolysis and reduction of the oxidation carrier. For reaction, the pyrolysis reduction furnace 3 operates at a temperature of 500°C and operates at normal pressu...

Embodiment 3

[0080] A new oxygen carrier coal catalytic pyrolysis hydrogen production reaction device, the inner diameter of the lower space of the pyrolysis reduction furnace 3 is 1.0m, the height is 10m, the height of the raw material inlet 2 is located at 3 / 10 of the height of the pyrolysis reduction furnace 3, and the moving bed hydrogen production furnace 8 The inner diameter is 1.5m, and the height is 6m. The combustion oxidation furnace 12 has an inner diameter of 1.2m, and a height of 30m.

[0081] Inner Mongolia lignite is selected as the raw material and fed into the pyrolysis reduction furnace 3 from the raw material inlet 2. The oxidation carrier is iron powder, and the inert agent B nitrogen is introduced into the distributor of the reduction furnace to mix and contact with the oxidation carrier to carry out catalytic pyrolysis and reduction of the oxidation carrier. For reaction, the pyrolysis reduction furnace 3 operates at a temperature of 800°C and an operating pressure of ...

technical field

[0001] The invention relates to the technical field of hydrogen production from coal, in particular to an oxygen carrier coal catalytic pyrolysis hydrogen production reaction device and an oxygen carrier coal catalytic pyrolysis hydrogen production method. Background technique

[0002] With the consumption of fossil energy and CO 2 With the increase of greenhouse gas emissions, people are paying more and more attention to a clean and efficient alternative energy source. As a kind of clean energy, hydrogen energy, in the process of energy conversion, the final product is water, which can truly achieve zero emission of pollutants, and can be widely used in aerospace power, vehicle fuel, fuel cells, combustion power generation, chemical production, etc. One of the best alternatives for energy. At present, the main methods for producing hydrogen energy include hydrogen production by steam reforming, hydrogen production by electrolysis of water, and hydrogen pro...

Examples

Embodiment 1

[0074] A new oxygen carrier coal catalytic pyrolysis hydrogen production reaction device, the inner diameter of the lower space of the pyrolysis reduction furnace 3 is 1.0m, the height is 10m, the height of the raw material inlet 2 is located at 3 / 10 of the height of the pyrolysis reduction furnace 3, and the moving bed hydrogen production furnace 8 The inner diameter is 1.5m, and the height is 6m. The combustion oxidation furnace 12 has an inner diameter of 1.2m, and a height of 30m.

[0075] Inner Mongolia lignite is selected as the raw material and fed into the pyrolysis reduction furnace 3 from the raw material inlet 2. The oxidation carrier is iron powder, and the inert agent B nitrogen is introduced into the distributor of the reduction furnace to mix and contact with the oxidation carrier to carry out catalytic pyrolysis and reduction of the oxidation carrier. For the reaction, the pyrolysis reduction furnace 3 operates at a temperature of 800°C and operates at normal pr...

Embodiment 2

[0077] A new oxygen carrier coal catalytic pyrolysis hydrogen production reaction device, the inner diameter of the lower space of the pyrolysis reduction furnace 3 is 1.0m, the height is 10m, the height of the raw material inlet 2 is located at 3 / 10 of the height of the pyrolysis reduction furnace 3, and the moving bed hydrogen production furnace 8 The inner diameter is 1.5m, and the height is 6m. The combustion oxidation furnace 12 has an inner diameter of 1.2m, and a height of 30m.

[0078] Inner Mongolia lignite is selected as the raw material and fed into the pyrolysis reduction furnace 3 from the raw material inlet 2. The oxidation carrier is iron powder, and the inert agent B nitrogen is introduced into the distributor of the reduction furnace to mix and contact with the oxidation carrier to carry out catalytic pyrolysis and reduction of the oxidation carrier. For reaction, the pyrolysis reduction furnace 3 operates at a temperature of 500°C and operates at normal pressu...

Embodiment 3

[0080] A new oxygen carrier coal catalytic pyrolysis hydrogen production reaction device, the inner diameter of the lower space of the pyrolysis reduction furnace 3 is 1.0m, the height is 10m, the height of the raw material inlet 2 is located at 3 / 10 of the height of the pyrolysis reduction furnace 3, and the moving bed hydrogen production furnace 8 The inner diameter is 1.5m, and the height is 6m. The combustion oxidation furnace 12 has an inner diameter of 1.2m, and a height of 30m.

[0081] Inner Mongolia lignite is selected as the raw material and fed into the pyrolysis reduction furnace 3 from the raw material inlet 2. The oxidation carrier is iron powder, and the inert agent B nitrogen is introduced into the distributor of the reduction furnace to mix and contact with the oxidation carrier to carry out catalytic pyrolysis and reduction of the oxidation carrier. For reaction, the pyrolysis reduction furnace 3 operates at a temperature of 800°C and an operating pressure of ...

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