Carbonizing technology for waste crop straw resources

A technology for crop straws and resources, which is applied in the field of charcoal production from waste crop straw resources, can solve the problem of high operation cost, and achieve the effects of large combustion calorific value, easy maintenance and simple process steps.

Inactive Publication Date: 2016-05-25
ANHUI DADI ENERGY SAVING SCI & TECH
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Problems solved by technology

This method has certain practical application significance, but requires specialized personnel for maintenance and management, and the operating cost is high

Method used

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Embodiment Construction

[0023] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0024] A process for producing charcoal from waste crop straw resources, the process mainly includes the following steps:

[0025] (1) Collect waste straw resources in agricultural production as the main material, such as corn straw, wheat straw, cotton straw or bean straw, and crush the straw to 60-80 mesh;

[0026] (2) Add binding agent in the straw powder after above-mentioned crushing, then put into stirring device and stir;

[0027] (3) After the stirring is completed, the above-mentioned powder is heated and dehydrated, and the heating temperature is controlled at 150-250° C., and heated for 1-2 hours;

[0028] (4) Carry out water content analysis to the material after dehydration in step (3), control the water content of material at 5-8%, ...

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Abstract

The invention relates to the field of straw carbonizing, in particular to a carbonizing technology for waste crop straw resources. The carbonizing technology includes the following steps that 1, the waste straw resources are collected and smashed; 2, a binding agent is added into smashed straw powder and stirred; 3, after stirring is completed, the powder material is heated and dehydrated; 4, water content analysis is conducted on the dehydrated material in the step 3; 5, after the water content meets the requirement, the temperature continues to be raised, and the material is carbonized; 6, the carbonized material and ingredients are mixed, and the mixture is fed into a rod manufacturing and forming extruder to be extruded and formed; 7, the carbon rods are naturally cooled to normal temperature. The charcoal obtained by adopting the carbonizing technology has the advantages of being large in combustion heat value, high in strength, resistant to ablation and the like.

Description

technical field [0001] The invention relates to the field of carbon production from straws, in particular to a process for producing carbon from waste crop straw resources. Background technique [0002] my country is a large agricultural country, a small amount of crop straw is used to make paper, and a large amount of straw is burned in the field after the autumn harvest, causing great environmental problems, and at the same time it is a great waste of resources. The crop straw is recycled and used for carbonization process Research is of great significance both now and in the long run. [0003] At present, the straw charcoal technology is becoming more and more mature in theory, but its practicability is poor. The straw charcoal content is low, the calorific value is low, the collection and transportation costs are high, the charcoal working environment is harsh, and the labor intensity is high. Not wide. Furthermore, straw gas production technology has been successfully ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B53/02C10B57/10C10B53/08
CPCC10B53/02C10B53/08C10B57/10Y02E50/10
Inventor 许伟平
Owner ANHUI DADI ENERGY SAVING SCI & TECH
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