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Biomass gasification furnace absorbent and its production method

A gasifier and adsorbent technology, which is applied in chemical instruments and methods, other chemical processes, selection of absorbent solid gas purification, etc. Easy-to-use effects

Inactive Publication Date: 2007-05-23
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] The present invention will be further described below in conjunction with the embodiments.

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

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

[0030] 3. Grinding: the fineness of the grinding powder is less than or equal to 0.074mm.

[0031] 4. Granulation: Use disc granulator and sugar coating machine for granulation, and the granularity is controlled between 6.5 mm and 7.5 mm.

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

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

[0034] 7. Packing: sealed and packed with inner plastic and outer braid.

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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 and 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 to realize CO 2 Zero emissions, and low S and N content, greatly reduce the greenhouse effect and environmental pollution. [0003] The main elements of biomass fuel include C, H, O, N, S, etc. The trace elements include AI, Fe, Mg, Ca, K, Na, P, etc. The characteristics of biomass vary with different types of biomass, 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...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/12B01J20/24C10K1/32
Inventor 许庆华
Owner 许庆华
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