Temperature control method of hydrogen catalysis combustor

A temperature control method and catalytic burner technology, which are applied to combustion methods, gas fuel burners, burners, etc., can solve the problems of reactor temperature fluctuation, inability to start catalytic combustion reaction, system instability, etc., and achieve low cost, The effect of wide application and simple control technology

Inactive Publication Date: 2016-02-17
CHINA JILIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, hydrogen catalytic combustion is a process of surface reaction control, and the start of the catalytic combustion process requires a process. Therefore, the current method of frequently switching the mixed gas inlet valve to control the temperature of the rea

Method used

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  • Temperature control method of hydrogen catalysis combustor

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0022] Example 1

[0023] A temperature control method of a hydrogen catalytic burner is characterized in that: the temperature control method of a hydrogen catalytic burner includes:

[0024] 1) The data processor collects the outlet temperature of the hydrogen catalytic burner through the temperature sensor;

[0025] 2) The data processor records the temperature change of the hydrogen catalytic burner and compares it with the set value;

[0026] 3) According to the comparison result of the temperature of the catalytic combustor and the set value, the data processor feedback adjusts the fuel-air ratio of hydrogen and air;

Example Embodiment

[0027] Example 2

[0028] Set the temperature of the catalytic combustor to 280℃ (control target), when hydrogen and air with a fuel-air ratio of 8% pass through the hydrogen flow controller 1 and the air flow controller 2 respectively into the gas mixer 3, and then pass into the hydrogen catalytic combustion The temperature sensor 5 detects a rapid increase in temperature. When the temperature rises to 280°C, the temperature sensor 5 detects that the temperature continues to rise, the data processor 6 compares and calculates and feeds back signals to the hydrogen flow controller 1 and the air flow controller 2, and adjusts the fuel-air ratio to 6%. The sensor 5 detects that the temperature drops slowly; when the temperature drops to 260°C, the data processor 6 compares and calculates the feedback signal to the hydrogen flow controller 1 and the air flow controller 2, adjusts the fuel-air ratio to 7.2%, and finally catalytic combustion The temperature of the device is basically ...

Example Embodiment

[0029] Example 3

[0030] Set the temperature of the catalytic combustor to 350°C (control target), when the hydrogen and air with a fuel-to-air ratio of 11% enter the gas mixer 3 through the hydrogen flow controller 1 and the air flow controller 2 respectively, and then pass into the hydrogen catalytic combustion The temperature sensor 5 detects a rapid increase in temperature. When the temperature rises to 350°C, the temperature sensor 5 detects that the temperature continues to rise, and the data processor 6 compares and calculates the feedback signal to the hydrogen flow controller 1 and the air flow controller 2, and adjusts the fuel-air ratio to 10%. The sensor 5 detects that the temperature drops slowly; when the temperature drops to 330°C, the data processor 6 compares and calculates and feeds back signals to the hydrogen flow controller 1 and the air flow controller 2, adjust the fuel-air ratio to 10.5%, and finally catalytic combustion The temperature of the device is ...

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Abstract

The invention relates to a temperature control method of a hydrogen catalysis combustor, and belongs to the technical field of hydrogen catalysis combustion. The control process of the temperature control method of the hydrogen catalysis combustor includes the steps that firstly, a data processor collects the outlet temperature of the hydrogen catalysis combustor through a temperature sensor; secondly, the data processor records the temperature change of the hydrogen catalysis combustor and compares the temperature change with a set value; and thirdly, the data processor conducts carries out feedback regulation on the fuel-air ratio of hydrogen and air according to the comparison result of the temperature of the catalysis combustor and the set value. The temperature control method has the beneficial effects of being simple in control technology, convenient to use, stable, reliable, economical, affordable, low in cost, wide in application range and the like, and can be widely used for temperature control of the hydrogen catalysis combustor.

Description

technical field [0001] The invention belongs to the technical field of hydrogen catalytic combustion, in particular to a method for controlling the temperature of a hydrogen catalytic burner. Background technique [0002] Hydrogen has many uses in daily life or industry. On the one hand, it is an energy carrier, which can be directly burned to generate heat for residential heating, and can also be used to generate electricity through fuel cells (FC) or hydrogen internal combustion engines (ICEs). For residential lighting or driving cars, etc., the whole utilization process does not produce greenhouse gases, so it is a kind of clean energy; on the other hand, due to its wide explosion limit and strong heat release effect, safety issues during use It is also a problem that needs to be solved urgently. [0003] Utilizing hydrogen catalytic combustion is an important energy recovery technology for many hydrogen-related processes and an important measure to improve system safety...

Claims

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Application Information

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IPC IPC(8): F23D14/60
Inventor 黄岳祥钮峰孙杏国
Owner CHINA JILIANG UNIV
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