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Biological coal

A coal and biological technology, applied in the direction of biofuel, waste fuel, solid fuel, etc., can solve the problems of poor stability and insufficient thermal value of bio-coal, and achieve the effects of improving stability, benefiting pyrolysis, and improving heat production energy efficiency

Active Publication Date: 2018-11-06
白婷婷
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a kind of bio-coal for the problem of insufficient heat value and poor storage stability of the current bio-coal

Method used

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Examples

Experimental program
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preparation example Construction

[0027] The preparation method of coal base material: take the base material substrate, crush it through a 120-mesh sieve, take the sieved particles and pass them into argon protection in a quartz reactor, preheat at 200-250°C for 2-3 hours, and then raise the temperature to 600-800°C Pyrolyze at ℃ for 3~5h, cool naturally to room temperature to obtain pyrolyzate, take the pyrolyzate and add carbonate solution according to the mass ratio of 1:4~7, soak in water bath at 55~70°C for 2~5h, filter, and take the filter residue Dry in an oven at 70-90°C to obtain the coal base material.

[0028] The preparation method of Ti-Mg composite material: take TiO 2 Treat at 400~450°C and 4.0MPa hydrogen pressure for 1~1.5h to get the processed product, take the processed product and add Mg with 15~25% of the processed product to carry out planetary ball milling for 30~45min, cold welding for 20~35min, and again Planetary ball milling for 30-45 minutes to obtain the ball-milled product. Take...

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Abstract

The invention discloses biological coal, and belongs to the technical field of biomass carbonization. Coal ash, domestic sludge and corncobs are used as raw materials; modification is performed through the operations of ventilation preheating, high-temperature pyrolysis, carbonate liquid soaking and the like; the volatile matters in sludge are reduced; the aromatization degree and the crystallization degree are enhanced; along with the temperature improvement, the activation energy is reduced; the pyrolysis is facilitated, so that the charcoal ingredients are fully burned; the heat generationenergy efficiency is greatly improved; then, starch and oxidized graphene are used as raw materials; starch molecular chains generate crosslinking, so that the surface of a starch wall material of a porous structure is compacter; the oxygen storage quantity of the biological coal system is increased; in the use process, the starch and the oxidized graphene are combustibles; the oxidized graphene is heated and can fast generate free radicals; the combustion promoting effect is achieved. The problems that the heat value of the existing biological coal is insufficient, and the stability is poor during the storage are solved.

Description

technical field [0001] The invention belongs to the technical field of biomass carbonization, in particular to a kind of biological coal. Background technique [0002] With the development of the world economy, the rapid increase of population and the continuous improvement of people's living standards, the world's energy demand continues to increase, resulting in a rapid increase in oil prices, and insufficient energy supply has become a bottleneck restricting the country's economic development. Energy is one of the key factors influencing the process of sustainable development. At present, my country is facing the constraints of conventional energy resources, excessive reliance on coal resources, serious pollution and low energy utilization efficiency in the use of energy. In order to reduce the impact on the environment caused by the use of fossil energy in our country and reduce our dependence on fossil energy, it is necessary to change the way of energy production and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/44C10L5/48C10L5/46C10L9/10
CPCC10L5/447C10L5/46C10L5/48C10L9/10C10L2230/22Y02E50/10Y02E50/30
Inventor 刘菊花陈炎李莉
Owner 白婷婷
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