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Method for preparing biomass fuel with fresh chicken manure as main raw material

A technology of biomass fuel and fresh chicken manure, applied in the direction of biofuel, waste fuel, fuel, etc., can solve the problems of environmental pollution of chicken manure, and achieve the effect of improving combustion efficiency, improving carbon-nitrogen ratio, and reducing time.

Active Publication Date: 2019-01-22
INST OF AGRI ENG TECH FUJIAN ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method for preparing biomass fuel with fresh chicken manure as the main raw material in view of the environmental pollution problems of chicken manure and many defects and deficiencies in the chicken manure treatment process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A method for preparing biomass fuel with fresh chicken manure as the main raw material, the specific steps are:

[0031] 1) Raw material pretreatment: crush the discarded mushroom sticks, dry them naturally to make the moisture content below 10wt%, and prepare the mushroom sticks; heat the discarded shells at a heating rate of 15°C / min Calcining at 900°C for 5 hours to obtain calcined shell powder;

[0032] 2) Fermentation: Mix 70wt% of fresh chicken manure, 25wt% of mushroom sticks and 5wt% of calcined shell powder to make a mixture; then add deodorizing compound microorganisms to the mixture for the first composting fermentation, The moisture content of the mixture is reduced to 35wt%; then the nitrogen fixation-desulfurization compound microorganism is inserted into the mixture, and the second composting fermentation is carried out, so that the moisture content of the mixture is reduced to 20wt%; the deodorizing compound microorganism produced by Bacillus subtilis (...

Embodiment 2

[0040] A method for preparing biomass fuel with fresh chicken manure as the main raw material, the specific steps are:

[0041] 1) Raw material pretreatment: crush the discarded mushroom sticks, dry them naturally to make the moisture content below 10wt%, and prepare the mushroom sticks; heat the discarded shells at a heating rate of 30°C / min Calcining at 1100°C for 3 hours to obtain calcined shell powder;

[0042] 2) Fermentation: Mix 75wt% of fresh chicken manure, 22wt% of mushroom sticks and 3wt% of calcined shell powder to prepare a mixture; then add deodorizing compound microorganisms to the mixture for the first composting fermentation, The moisture content of the mixture is reduced to 40wt%; then the nitrogen fixation-desulfurization compound microorganism is inserted into the mixture, and the second composting fermentation is carried out, so that the moisture content of the mixture is reduced to 25wt%; the deodorizing compound microorganism produced by Bacillus subtil...

Embodiment 3

[0050] A method for preparing biomass fuel with fresh chicken manure as the main raw material, the specific steps are:

[0051] 1) Raw material pretreatment: crush the discarded mushroom sticks, dry them naturally to make the moisture content below 10wt%, and prepare mushroom sticks; heat the discarded shells at a heating rate of 20°C / min Calcining at 1000°C for 4 hours to obtain calcined shell powder;

[0052] 2) Fermentation: Mix 73wt% of fresh chicken manure, 23wt% of mushroom sticks and 4wt% of calcined shell powder to make a mixture; then add deodorizing compound microorganisms to the mixture for the first composting fermentation, The moisture content of the mixture is reduced to 35wt%; then the nitrogen fixation-desulfurization compound microorganism is inserted into the mixture, and the second composting fermentation is carried out, so that the moisture content of the mixture is reduced to 20wt%; the deodorizing compound microorganism produced by Bacillus subtilis ( B...

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Abstract

The invention belongs to the technical field of environmental protection, and particularly relates to a method for preparing a biomass fuel mainly from fresh chicken manure. The method comprises the following steps: 1) pretreating raw materials; 2) fermentation: mixing fresh chicken manure, mushroom sticks and calcined shell powder, inoculating deodorizing composite microbes and nitrogen fixation-desulfurization composite microbes, and carrying out pile fermentation; 3) naturally drying the fermentation material; and 4) adding tea stems, and carrying out extrusion granulation. The fresh chicken manure is used as the main raw material, the waste mushroom sticks, calcined shell powder and tea stems are used as the auxiliary raw materials, the deodorizing composite microbes and nitrogen fixation-desulfurization composite microbes are added, and the flammability and comprehensive combustion characteristics of the reinforcing material of the composite microbes are fully utilized, thereby preparing the biomass granular fuel which has the advantages of low ignition point, high combustion heat value and high combustion rate. The method can greatly consume chicken manure, and solves the problem of environmental pollution caused by chicken manure. The method provides direction for the recycling of the waste mushroom sticks, shells and tea stems.

Description

technical field [0001] The invention belongs to the technical field of new energy fuel and environmental protection, and in particular relates to a method for preparing biomass fuel by using fresh chicken manure as a main raw material. Background technique [0002] The large-scale development of my country's aquaculture industry has made a significant contribution to the enrichment of the "vegetable basket" project. At the same time, a large number of aquaculture pollutants, especially solid fecal pollutants, have become a key technical bottleneck restricting the sustainable development of the aquaculture industry, affecting healthy aquaculture. and potential risks to the environment. The traditional treatment method is through anaerobic technology and supporting related post-treatment technology, most of which are mainly "resource utilization in mountains, forests or fields". The effect and processing stability are poor and management is inconvenient. In recent years, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L5/42C10L5/46
CPCY02E50/10Y02E50/30
Inventor 陈彪肖艳春黄婧魏云华张燕青林香信
Owner INST OF AGRI ENG TECH FUJIAN ACAD OF AGRI SCI
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