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Biomass gasification furnace absorbent and its production method

A production method and technology of a gasification furnace, applied in chemical instruments and methods, other chemical processes, and purification of solid gases with absorption power, can solve the problems of inability to achieve adsorption and filtration of combustible gases, and achieve low production costs, Ease of use

Inactive Publication Date: 2005-10-26
许庆华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Using the gaps of the pebbles, the initially purified combustible gas is divided into countless streams for rapid cooling, but the surface of the pebbles is smooth and hard, which cannot achieve the effect of adsorbing and filtering combustible gas

Method used

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Embodiment Construction

[0027] Below in conjunction with embodiment the present invention will be further described,

[0028] 1. Ingredients (percentage by weight): attapulgite clay 65%, high bauxite 15%, magnesium oxide 10%, calcium oxide 5%, sodium carbonate 3% and sawdust 2%.

[0029] 2. Stirring: the above ingredients are stirred evenly by the mixer and then input into the mill for grinding.

[0030] 3. Grinding: Grinding fineness ≤0.074mm.

[0031] 4. Granulation: Use a disc granulator and a sugar coating machine to granulate, and the particle size is controlled at 6.5~7.5mm.

[0032] 5. Drying: The drying temperature is controlled at 600°C.

[0033] 6. Screening: The particle size of the finished product is controlled at 6.0~7.0mm.

[0034] 7. Packing: Sealed with inner plastic and outer weave.

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Abstract

An adsorbent for the adsorptive filter of biomass gasifier is prepared from attapulgite-type clay, high-Al alumina, magnesium oxide, calcium oxide, sodium carbonate and wood dust through proportionally mixing, stirring, grinding, granulating and baking. It can crack the tar and adsorb heavy metals, alkali metals and harmful trace elements.

Description

Technical field: [0001] The invention relates to an adsorbent, in particular to an adsorbent for a biomass gasification furnace and a production method. Background technique: [0002] In the early 1980s, my country began to study biomass thermal decomposition gasification technology, and developed various forms of gasifiers. Biomass is a kind of renewable energy with abundant reserves. It can be used as an alternative energy source to realize CO 2 Zero emissions, and low S, N content, greatly reduce the greenhouse effect and environmental pollution. [0003] The main elements of biomass fuel are C, H, O, N, S, etc.; the trace elements are AI, Fe, Mg, Ca, K, Na, P, etc. Biomass characteristics change with different biomass types, different utilization parts, and growth environment including soil, water quality, and atmospheric changes. In the thermochemical conversion and utilization of biomass, it must go through the pyrolysis stage. Alkali metals and harmful trace elemen...

Claims

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Application Information

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IPC IPC(8): B01J20/12
Inventor 许庆华
Owner 许庆华
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