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Biomass gasification reaction system removing tar automatically and method thereof

A technology of gasification reaction and biomass, which is applied in the direction of gasification process, petroleum industry, and manufacture of combustible gas, etc. It can solve the problems of inability to process raw materials containing tar, affect the service life of the gasifier, and narrow the scope of application, and achieve The effect of wide application range of raw materials, less energy consumption and wide application range

Inactive Publication Date: 2018-07-24
余军
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Problems solved by technology

However, the traditional biomass gasifier will produce more tar during the gasification reaction
Tar is corrosive, highly adhesive and thermally unstable, which will block the pipeline, resulting in low gasification efficiency and affecting the service life of the gasifier
In addition, traditional biomass gasifiers cannot handle raw materials containing tar, and the scope of application of the equipment is narrow

Method used

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  • Biomass gasification reaction system removing tar automatically and method thereof

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specific Embodiment 1

[0055] 1) Add construction residues into the storage bin 111 of the pretreatment chamber 110 of the furnace body 100 from the feed port 150, evaporate and dry at a temperature of 150°C, and then undergo a pyrolysis reaction at a temperature of 450°C. Combustible gas, tar and charcoal are generated from the pyrolysis of construction residues.

[0056] 2) The combustible gas, tar and char enter into the oxidation incineration chamber 120 through the separator 160, and undergo an oxidation reaction under the temperature of 1100°C and the action of air to obtain carbon dioxide, water vapor, char and tar.

[0057] 3) The carbon dioxide, water vapor and tar enter the reduction cracking chamber 130 downward, and a reduction reaction occurs at a temperature of 1000°C. Under the high-temperature anaerobic state, the carbon dioxide, water vapor and carbon undergo a reduction reaction to obtain carbon monoxide, hydrogen, and methane And carbon, tar and water vapor are reacted and cracked...

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Abstract

The invention relates to a biomass gasification reaction system removing tar automatically and a method thereof. The biomass gasification reaction system removing tar automatically comprises a furnacebody and a gasified medium supply device, wherein from top to bottom, a hearth of the furnace body comprises a pretreatment chamber, an oxidation burning chamber, a reductive cracking chamber and a carbonizing activating chamber in sequence, the pretreatment chamber is internally provided with a material storage bin, the upper part of the material storage bin is provided with a material feed port, an isolation part is arranged between the pretreatment chamber and the oxidation burning chamber, the side wall of the oxidation burning chamber is provided with a ventilation port, a fire grate isarranged between the reductive cracking chamber and the carbonizing activating chamber, a product of the reductive cracking chamber enters the carbonizing activating chamber through the fire grate, the carbonizing activating chamber is provided with a slag hole, and the carbonizing activating chamber is further provided with an active carbon taking device. The biomass gasification system removingtar automatically has a wide application range and has high gasification efficiency.

Description

technical field [0001] The invention relates to the technical field of biomass energy, in particular to a self-tar removal type biomass gasification reaction system and a method thereof. Background technique [0002] Biomass energy is the solar energy fixed on the earth through the photosynthesis of plants, which has the advantages of renewability, low pollution and wide distribution. Biomass energy can be converted into clean fuel through biomass energy conversion technology, which can be used to replace coal, oil and natural gas to produce electricity. The use of biomass energy can protect national energy resources, reduce damage to the environment, and solve air pollution and other issues. [0003] Biomass gasification is a method of biomass conversion. After the biomass raw material is processed, it is burned in an anoxic furnace to obtain combustible gas. However, the traditional biomass gasifier will produce more tar during the gasification reaction. The tar is corr...

Claims

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Application Information

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IPC IPC(8): C10J3/60C10J3/72
CPCC10J3/60C10J3/721C10J2300/0909C10J2300/0953C10J2300/0976
Inventor 余军
Owner 余军
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