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Biomass material microwave assisted pyrolysis gasification device and its application method

A biomass material and microwave-assisted technology, applied in gasification process, fixed bed gasification, chemical industry, etc., can solve the problems of low quality of syngas utilization, high operating cost, and inability to heat biomass raw materials, etc., to achieve efficient and clean Energy conversion, accelerated gasification reaction rate, and the effect of ensuring heat utilization efficiency

Active Publication Date: 2018-07-17
山东知周环境科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Conventional biomass fixed-bed gasification technology is limited by process conditions, and there are mainly problems such as low gasification reaction temperature, low carbon conversion rate, high tar content, and low quality of syngas utilization.
The current microwave plasma gasification equipment cannot completely heat the biomass raw materials, or requires a large heating power to achieve a good heating effect, so the heating efficiency is low, the power consumption is large, and the operating cost is high. The defect of wasting energy seriously restricts the energy and chemical industry utilization of biomass resources

Method used

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  • Biomass material microwave assisted pyrolysis gasification device and its application method
  • Biomass material microwave assisted pyrolysis gasification device and its application method

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Effect test

Embodiment 1

[0033] The gas making device comprises a microwave gasifier 1, and the microwave gasifier 1 comprises a shell, and an outer shell and an insulating layer covering the shell are provided outside the shell; in order to ensure the concentration of energy and the reaction temperature in the furnace, Both the upper and lower ends of the housing are conical, and microwave generators 12 are provided on the upper and lower conical housings of the housing. The lower end of the housing is provided with an ash discharge conveying device 3, and one side of the housing is provided with a feed port for biomass materials. The housing is provided with several steam inlets 14 and several gas inlets 15. There are heat exchange tubes 16, and the heat exchange tubes 16 are arranged horizontally, which are heat exchange coils, such as figure 2 shown.

[0034] Preferably, the operating frequency of the microwave generator is 2450±50 MHz, and the output power is continuously adjustable from 0.3 to...

Embodiment 2

[0041] The difference between this embodiment and embodiment 1 is:

[0042] There are many heat exchange tubes 16, the inlet of the heat exchange tubes 16 is led into normal temperature air, and the outlet of the heat exchange tubes 16 is connected with the gas inlet end of the gasifier body, as figure 1 shown.

Embodiment 3

[0044] The difference between this embodiment and embodiment 1 is:

[0045] The heat exchange tubes 16 are arranged obliquely or vertically.

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Abstract

The invention discloses a biomass material microwave-assisted pyrolysis gasification device, and an application method thereof. The biomass material microwave-assisted pyrolysis gasification device comprises a microwave gasification furnace; the microwave gasification furnace comprises a housing; the diameter of the upper end and the diameter of the lower end of the microwave gasification furnace are smaller than the diameter of the middle part of the microwave gasification furnace; microwave generators are arranged on the external side wall of the housing; the lower end of the housing is provided with a dust discharging conveying device; one side of the housing is provided with a biomass material inlet; the housing is provided with a plurality of steam inlets and a plurality of steam outlets; and a heat exchange tube is horizontally arranged in the housing. According to the biomass material microwave-assisted pyrolysis gasification device, gasification conversion process of biomass is promoted under the combined action of the heat energy of materials and microwave-assisted heating, a temperature needed by plant material pyrolysis gasification is reached rapidly, gas generation rate is high, high efficiency clean energy conversion of biomass waste resources can be realized; sensible heat and waste heat generated in gas generation processes are used fully, heat energy utilization efficiency is high, energy is saved, the biomass material microwave-assisted pyrolysis gasification device is capable of realizing automatic charging and discharging, automation degree is high, and safety is high.

Description

technical field [0001] The invention relates to biomass materials, in particular to a microwave-assisted pyrolysis gasification device for biomass materials and a use method thereof. Background technique [0002] my country is rich in biomass resources, such as crop stalks, forestry branches, industrial medicine residues, etc. In recent years, attention has been paid to the energy conversion and utilization of low calorific value fuels. With the strengthening of human awareness of environmental protection, energy conversion technologies with higher efficiency and less pollution are gradually being adopted by industrial production while paying attention to waste utilization. [0003] Conventional biomass fixed-bed gasification technology is limited by process conditions, and there are mainly problems such as low gasification reaction temperature, low carbon conversion rate, high tar content, and low-quality syngas utilization. The current microwave plasma gasification equipm...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10J3/02C10J3/20C10J3/30C10J3/34C10J3/66C10J3/72C10J3/84
CPCC10J3/02C10J3/20C10J3/30C10J3/34C10J3/66C10J3/723C10J3/84C10J2300/0916C10J2300/0956C10J2300/123C10J2300/1618Y02P20/10Y02P20/129
Inventor 徐鹏举常加富孙传胜陈勇张屹毕兰平董磊
Owner 山东知周环境科技有限公司
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