Composite sawdust-based biomass particles of waste cotton clothes and preparation method of particles

A biomass pellet and cotton technology, which is applied to biofuels, waste fuels, solid fuels, etc., can solve the problems of unsafe use of slagging boilers, low calorific value of biomass pellet fuels, and excessive sulfur content. Low sulfur content, improved toughness and density, low cost effects

Inactive Publication Date: 2016-08-24
TONGLING XINGMAO AGRI PROFESSIONAL COOP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional biomass pellet fuel prepared by using sawdust and straw has many defects such as low calorific value, unsafe use of slagging boilers, excessive sulfur content polluting the environment, and large ash content.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach

[0015] A sawdust-based biomass granule for composite waste cotton clothes, made of the following raw materials in parts by weight: sawdust 114, rice stalks 33, sweet potato seedlings 45, sorghum straw 37, waste cotton clothes 16, dolomite 13, iron powder 1. Waste engine oil 7. Tributyl citrate 3. Ferrocene 2.1. Ferrous sulfate

[0016] (4) Stir and mix the materials in steps (1) and (3), add an appropriate amount of water and other remaining ingredients, stir and mix, send it into the extrusion molding machine, and extrude it with a molding pressure of 45MPa to a diameter of 5mm and a length of 3cm The cylindrical particles are dried and discharged.

[0017] Use the technical parameter index of the sawdust-based biomass particle produced by the present invention as follows:

[0018] (1) Anti-drop strength: 98.23%;

[0019] (2) Sulfur content: 0.345%, less than the standard of 0.50% for ultra-low sulfur coal;

[0020] (3) Ash content: 7.45%, within the range of low-ash coal ...

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PUM

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Abstract

The invention discloses composite sawdust-based biomass particles of waste cotton clothes. On one hand, sawdust is subjected to carbonization treatment and then modified, therefore, the toughness and the density of inorganic carbon particles are improved, the combustion heat value of sawdust carbon residues is increased, volatile components in the combustion process are decreased, and the sulphur content of exhaust gas is low; on the other hand, rice straw, sweet potato vines and sorghum stalks are subjected to fermentation treatment, therefore, the structural layer of the raw materials is changed to form the compact tissue structure, high-content organic matter is generated, and components of the organic matter are increased; the materials are continuously subjected to fermentation treatment by adding modified dolomite and the waste cotton clothes, then combustibles in the organic matter raw materials are increased, and lastly the materials are subjected to extrusion forming by being compatible with other effective auxiliaries. In this way, the prepared biomass particles have the advantages of being low in cost, good in toughness, long in service life, resistant to sun, not prone to corruption and the like.

Description

technical field [0001] The invention relates to the technical field of biomass fuels, in particular to a sawdust-based biomass particle compounded with waste cotton clothes and a preparation method thereof. Background technique [0002] With the increasing demand for energy, the widely used non-renewable energy such as oil, coal, and natural gas is facing the problem of depletion. In order to solve the energy crisis that mankind is about to face, it is necessary to develop renewable new energy sources to replace non-renewable fossil fuels. Biomass energy, as a cheap and clean renewable energy, is attracting more and more attention from people. As a large agricultural country, our country has comparative advantages in raw material supply, energy demand and government policy support of biomass energy. big advantage. The source of sawdust and straw is abundant, the cost is low, and the sulfur content of sawdust is very low. The biomass pellet fuel prepared from it as a raw ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/44C10L7/02C10L9/10C10L5/40
CPCC10L5/40C10L5/442C10L5/445C10L7/02C10L9/10C10L2200/024C10L2200/0263C10L2200/0295C10L2200/04C10L2300/20C10L2300/30Y02E50/10Y02E50/30
Inventor 胡祖兴
Owner TONGLING XINGMAO AGRI PROFESSIONAL COOP
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