Carbon-gas-heat-electricity cogeneration biomass thermal cracking system

Abstract

The invention relates to a carbon-gas-heat-electricity cogeneration biomass thermal cracking system. The carbon-gas-heat-electricity cogeneration biomass thermal cracking system is characterized by comprising a heating furnace, a reaction kettle, a condensation tower and a filter device, wherein a kettle body of the reaction kettle is arranged in hearth of the heating furnace; an air outlet end of the reaction kettle is connected with an air inlet end of the condensation tower by virtue of a pipeline, and an air outlet end of the condensation tower is connected with an air inlet end of the filter device by virtue of a pipeline. The carbon-gas-heat-electricity cogeneration biomass thermal cracking system has the advantages that associated equipment is complete, one air outlet end of the filter device is respectively connected with a gas generator set and a fuel gas furnace by virtue of a pipeline, the other air outlet end is connected with the hearth of the fuel gas furnace, on one hand, cracked fuel gas can be applied to electricity generation and a user furnace, on the other hand, one part fuel gas can be supplemented for the fuel gas furnace, and utilization rate is improved.

Description

technical field [0001] The invention relates to a biomass pyrolysis system for carbon gas heat and power cogeneration, which belongs to the technical field of biomass treatment. Background technique [0002] Biomass is a product synthesized by sunlight, carbon dioxide and water, including agricultural and forestry waste such as straw. my country is not only a big agricultural country, but also a big forestry country. There are 1.8 billion mu of food crops and 4.56 billion mu of forest land. The total forestry biomass in my country reaches 18 billion tons every year, of which 109 million tons are left over from logging and 41.8 million tons are left over from wood processing. tons, 60 million tons of wood product discards, and these forestry residues are equivalent to about 105 million tons of standard coal. Biomass such as crop stalks and other agricultural wastes is about 1.4 billion tons per year. In addition to feed and fertilizer, a small amount is used as boards. The re...

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Problems solved by technology

[0004] At present, there are some systems that use biomass energy as raw material in the prior art. For example, Chinese patent CN202118925U discloses a biomass pyrolysis device for agriculture and forestry. The existing biomass energy utilization systems generally have the following deficiencies: 1. The equipment is not fully equipped, it is difficult to form an industrial system, and it is not easy to promote and apply in production practice; the second is low production capacity and low efficiency, which does not meet the needs of large-scale production; the third is unreasonable individual designs, such as poor sealing, easy deformation, and easy leakage etc.; Fourth, the recovery rate of useful substances is low, the energy conversion rate is low, and the benefit is not high

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