System and method for preparing high-calorific-value synthesis gas through calcium-based chemical-looping gasification of carbon-containing fuel

A high calorific value, synthesis gas technology, applied in the fuel, gas fuel, petroleum industry, etc., can solve the problems of calcium-based adsorbent wear loss, high system investment cost, and high difficulty in controlling the fluidized state of the double bed

Active Publication Date: 2020-12-01
GUILIN UNIV OF ELECTRONIC TECH
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  • Abstract
  • Description
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Problems solved by technology

[0005] It can be seen that the use of high calorific value synthesis gas as an alternative fuel for natural gas will usher in a broad application market with the surge in demand for natural gas; Faced with technical constrain

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  • System and method for preparing high-calorific-value synthesis gas through calcium-based chemical-looping gasification of carbon-containing fuel
  • System and method for preparing high-calorific-value synthesis gas through calcium-based chemical-looping gasification of carbon-containing fuel
  • System and method for preparing high-calorific-value synthesis gas through calcium-based chemical-looping gasification of carbon-containing fuel

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[0046] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and examples are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0047] Such as figure 1 and 2 As shown, a system for preparing high calorific value synthesis gas by calcium-based chemical looping gasification of carbon-containing fuels includes a reactor 1, a combustion device, a gasification device, a reversing valve 2, an inlet pipe 3 and an output pipe 4. The outer wall of the reactor 1 is provided with a first interface and a second interface up and down, a burner 5 is arranged on its inner top, and a calcium-based adsorbent bed 6 is arranged in the middle. One end of the combustion device is connected to the first joint of the reversing valve 2, and the other end is connected to one of the first port or the second port, and provides hot air or hot oxygen to the burner 5 , and then ...

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Abstract

The invention relates to a system and a method for preparing high-calorific-value synthesis gas through calcium-based chemical-looping gasification of carbon-containing fuel. The system comprises a reactor, a combustion device, a gasification device, a reversing valve, a gas inlet pipe and an output pipe. A first connector and a second connector are vertically arranged the outer side wall of the reactor, a combustor is arranged at the top in the reactor, and a calcium-based adsorbent bed layer is arranged in the middle of the reactor; one end of the combustion device is connected with a firstjoint of the reversing valve, and the other end is connected with one of the first interface and the second interface; one end of the gasification device is connected with a second joint of the reversing valve, and the other end is connected with the other one of the second interface or the first interface; the air inlet pipe is connected with a third joint of the reversing valve, a first valve and a first induced draft fan are arranged on the air inlet pipe, and the output pipe is connected with a fourth joint of the reversing valve; the first joint and the second joint of the reversing valveare oppositely arranged, and the third joint and the fourth joint of the reversing valve are oppositely arranged. The system and the method have the beneficial effects that the wear loss activity ofthe calcium-based adsorbent is effectively reduced, and the function that the fluidized state of the system is extremely difficult to control is reduced.

Description

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Claims

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Application Information

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Owner GUILIN UNIV OF ELECTRONIC TECH
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