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Control method of pyrolysis gasification system

A technology of pyrolysis gasification and control method, which is applied in the direction of gasification process, gasification device feeding tool, manufacture of combustible gas, etc., can solve the problem that the pressure of pyrolysis gasification system is not easy to control, and affects the quality of combustible gas and gas production Stability and other issues, to achieve the effect of easy pressure, improved stability, and simple control methods

Inactive Publication Date: 2021-08-06
一重集团(黑龙江)重工有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The invention aims to solve the problem that the pressure of the pyrolysis gasification system is not easy to control in the process of biomass pyrolysis gasification, which affects the quality of combustible gas and the stability of gas production.

Method used

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  • Control method of pyrolysis gasification system
  • Control method of pyrolysis gasification system
  • Control method of pyrolysis gasification system

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Embodiment Construction

[0047] During the process of pyrolysis and gasification of biomass raw materials such as straw, the combustible gas generated from the reactor is transported to the gas storage device through the gas induced draft fan and the booster fan in turn, and the smoke generated by the furnace installed outside the reactor The gas is discharged after passing through the flue gas induced fan and the flue gas purification device. The outlet pressure of the reactor is affected by the gas induced fan, the booster fan and the gas production in the reactor, and the gas production in the reactor is related to the temperature of the furnace and the combustion fan. , the feed volume of the reactor, the discharge volume of the reactor, and whether the feed port forms a material seal. The outlet pressure control of the reactor is affected by various coupling factors. If only one of the factors is adjusted, the reaction The influence of the pressure at the outlet of the reactor may cause excessive ...

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Abstract

The invention provides a control method of a pyrolysis gasification system, and the control method comprises the following steps: obtaining an outlet pressure value of a reaction kettle and / or an inlet pressure value of a booster fan, and according to the outlet pressure value of the reaction kettle and / or the inlet pressure value of the booster fan, judging whether at least one of the rotating speed of the gas induced draft fan, the rotating speed of the booster fan, the temperature of the hearth and the rotating speed of the combustion fan is adjusted or not. According to the control method of the pyrolysis and gasification system, the pressure in the pyrolysis and gasification system is kept within a certain range by adjusting the rotating speed of the gas induced draft fan, the rotating speed of the booster fan, the temperature of the hearth and the rotating speed of the combustion-supporting fan, so that it is guaranteed that combustible gas output from the reaction kettle has stable pressure and flow; and therefore, the quality of the combustible gas and the stability of the gas production rate are improved.

Description

technical field [0001] The invention relates to the technical field of biomass pyrolysis gasification, in particular to a control method for a pyrolysis gasification system. Background technique [0002] Biomass energy is the fourth largest energy after coal, oil, and natural gas. my country has abundant biomass resources and uses them in various ways. In recent years, with the development of science and technology in our country and the great attention to environmental problems such as smog, the energy structure reform is imminent, and the demand for clean gas is increasing. From the perspective of technology development and application promotion, biomass gasification gas is produced by pyrolysis gasification It is gradually receiving widespread attention and attention. [0003] Biomass pyrolysis gasification technology is a relatively new straw utilization technology developed in recent years, which refers to the thermochemical process of converting biomass raw materials ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/72
CPCC10J3/72C10J3/723C10J2200/15C10J2300/0916C10J2300/0956C10J2300/1223
Inventor 齐晓宾陈思刘钊雷宝龙兰帅王志友王志宇
Owner 一重集团(黑龙江)重工有限公司
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