Process of producing biomass briquette

A production method and biomass technology, applied in the field of resources and environment, can solve the problems of low burning rate of raw coal, waste, environmental pollution, etc.

Inactive Publication Date: 2007-12-19
宫志利
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Coal combustion and utilization are basically direct combustion of loose coal, which emits a large amount of pollutants such as CO2 and SO2 into the atmosphere, causing secondary pollution.
Because the air pollution caused by the burning of raw coal accounts for 65% of the total pollutants, it seriously pollutes the environment, and the burning rate of raw coal is low, causing a lot of waste

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0006] 1Biomass briquette molding

[0007] 1.1 Material selection and processing

[0008] 1.1.1 Coal

[0009] The raw coal for forming is selected from 1 / 3 coking coal in the Chongshan mining area.

[0010] 1.1.2 Biomass

[0011] Straw: It is taken from the village near Gaoqing, and after natural drying, it is crushed and mixed evenly in three stages.

[0012] 1.2 Molding pretreatment

[0013] The raw coal is pulverized, and the pulverized particle size is less than 3mm. The pulverized biomass is mixed with alkali and heated. The alkali solution is prepared as 0.5%-2.0% of sodium hydroxide and 1.0%-4.5% of calcium oxide in mass percent. According to mass percentage, raw coal:biomass:additive (combustion enhancer, sulfur-fixing agent, etc.)=70%:20%:10%, mixed and formed uniformly. In the molding process, PVA, coal tar, cement and other substances with bonding properties are added.

[0014] 1.3 Forming

[0015] The molding of biomass briquettes is formed by using column...

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Abstract

The process of producing biomass briquette includes mixing coal material, biomass adhesive and additive in the weight ratio of 70 to 20 to 10; and forming the mixture. The biomass adhesive is prepared with crop stalk, and through crushing, treating with alkali solution, and adding tar or PAM; and the additive is potassium permanganate and lime. The biomass briquette has the advantages of short dry distillation time, easy separation of volatile component, low burning point, etc.

Description

technical field [0001] This invention is a production method of biomass briquette, which belongs to the field of resources and environment technology Background technique [0002] In my country's non-renewable energy, coal reserves exceed 90%. In the next 50 years, coal will still be the main energy. Coal combustion and utilization are basically direct combustion of loose coal, which emits a large amount of pollutants such as CO2 and SO2 into the atmosphere, causing secondary pollution. Because the air pollution caused by burning raw coal accounts for 65% of the total pollutants, it seriously pollutes the environment, and the burning rate of raw coal is low, causing a lot of waste. Based on the current situation of air pollution, it is of great significance to solve the problem of clean combustion and utilization of raw coal. [0003] Biomass briquettes are valued for their easy ignition, high-efficiency combustion, low pollution and turning waste into treasure. Biomass b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/14
Inventor 宫志利
Owner 宫志利
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