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Method for preparing honeycomb briquette by mixing straw, sludge and household garbage

A technology of domestic waste and honeycomb coal, applied in the direction of biofuel, solid fuel, waste fuel, etc., can solve the problems of low combustion calorific value, single raw material, loose structure, etc.

Inactive Publication Date: 2021-07-06
彭鹤松
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In some existing briquette preparation processes, the raw material is single, the combustion calorific value is low, it is easy to produce a large amount of toxic and harmful gases and dust, and the structure is loose and easy to break or crack

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A method for making honeycomb briquettes by mixing straw, sludge and domestic waste provided by the present invention comprises the following steps:

[0025] (1) Straw pretreatment

[0026] Firstly, use a chaff kneading machine to cut the straw into a straw section with a length of 30-50mm, and then use a steamer to steam the straw section for 30-40min, which is convenient for puffing treatment, and finally use a straw puffing machine to puff the straw section for later use. The temperature inside the straw puffing machine is 130-160°C, the pressure is 0.5-4Mpa, and the puffing time is 3-7s;

[0027] (2) Garbage pretreatment

[0028] Disinfect the domestic garbage, and then screen out the incombustible substances in the garbage through wind selection, screening, gravity separation, and magnetic separation methods, and use the circular cage screening machine equipped with two fans to remove the substances that are easy to produce poisonous gas from combustion. Substanc...

Embodiment 2

[0037] A method for making honeycomb briquettes by mixing straw, sludge and domestic waste provided by the present invention comprises the following steps:

[0038] (1) Straw pretreatment

[0039] Firstly, use a chaff kneading machine to cut the straw into a straw section with a length of 30-50mm, then steam the straw section for 30-40min in a steamer, and finally use a straw puffing machine to puff the straw section for later use. The temperature inside the straw puffing machine The temperature is 130-160℃, the pressure is 0.5-4Mpa, and the puffing time is 3-7s;

[0040] (2) Garbage pretreatment

[0041] Disinfect the domestic garbage, and then screen out the incombustible substances in the garbage through wind selection, screening, gravity separation, and magnetic separation methods, and use the circular cage screening machine equipped with two fans to remove the substances that are easy to produce poisonous gas from combustion. Substance screening, the incombustible subst...

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Abstract

The invention relates to a method for preparing honeycomb briquette by mixing straw, sludge and household garbage, the honeycomb briquette prepared by the steps of straw pretreatment, garbage pretreatment, mixing and stirring, fermentation, extrusion forming and the like is high in calorific value, non-toxic and odorless, and does not generate or generates little toxic and harmful gas during combustion, especially harmful gases containing sulfur, chlorine and the like and harmful substances containing dioxin and the like; and the amount of residual residues after combustion is small, the treatment is more convenient, and the soil is not polluted. Meanwhile, the problem of treatment of straw, sludge of a sewage treatment plant and municipal solid waste is solved.

Description

technical field [0001] The invention relates to a method for preparing honeycomb coal, in particular to a method for preparing honeycomb coal by mixing straw, sludge and domestic garbage. Background technique [0002] With the rapid increase of the urban population, the generation of municipal solid waste has also increased. Since municipal solid waste contains high content of heavy metals, it has a strong polluting power, so there are many difficulties in the treatment of waste. The best method is to landfill and incinerate, and the garbage that is buried in the landfill is very easy to produce leachate, so it seriously pollutes the groundwater body and cultivated land, and also emits foul-smelling gas into the air, seriously polluting the air; A large amount of dioxin will be produced. Dioxin is the most toxic compound among the by-products of unconscious synthesis found so far. Its toxicity is equivalent to more than 1000 times that of potassium cyanide. At the same time,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/44C10L5/46C10L5/36C10L9/10
CPCC10L5/445C10L5/46C10L5/36C10L9/10C10L2290/28C10L2290/546C10L2290/24C10L2290/26C10L2290/32Y02E50/10Y02E50/30
Inventor 彭鹤松
Owner 彭鹤松
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