Biomass comprehensive utilization device of biomass pyrolysis carbonization coupled direct-fired boiler

Abstract

The invention discloses a biomass comprehensive utilization device of a biomass pyrolysis carbonization coupled direct-fired boiler, and relates to the technical field of biomass energies. The biomasscomprehensive utilization device comprises a feeding system, a pyrolysis carbonization and cooling system and a flue gas and air system, wherein the feeding system comprises a material drying device,a material conveying device, a material storage device, an upper end blanking device and a material control device; the pyrolysis carbonization and cooling system comprises a pyrolysis furnace, a lower end blanking device, a carbon block cooling and conveying device and a circulating cooling device; the flue gas and air system comprises a pyrolysis gas channel, a flue gas channel and a direct-fired boiler, a gas inlet of the direct-fired boiler is connected with the pyrolysis furnace through the pyrolysis gas channel, and a gas outlet of the direct-fired boiler is respectively connected witha user side, the pyrolysis furnace and the material drying device through the flue gas channel. The biomass pyrolysis system and the direct-fired boiler are coupled, so that the problems of equipmentblockage or equipment corrosion and the like caused by tar condensation are avoided, and efficient biomass application of energy cascade circulation is realized.

Description

technical field [0001] The invention relates to the technical field of biomass energy, more specifically, it relates to a biomass comprehensive utilization device coupled with a direct-fired boiler for pyrolysis of biomass to produce carbon. Background technique [0002] With the development of my country's economy, energy problems such as shortage of conventional energy resources and serious environmental pollution during utilization have become one of the main factors restricting the sustainable development of society, so the development of new energy has long been the general trend. As a large agricultural country, vigorously developing the use of biomass renewable and clean energy has huge economic, environmental and social benefits, and solves the environmental pollution caused by landfill, incineration or biogas production in the traditional processing methods of agricultural and forestry waste. At the same time, improving soil quality, reducing heavy metal pollution, ...

AI Technical Summary

Problems solved by technology

[0006] In view of this problem in practical application, the purpose of this invention is to propose a biomass comprehensive utilization device coupled with a direct-fired boiler for pyrolysis of biomass, which can make full use of the ever-changing biomass pyrolysis technology to obtain carbon powder products, As the raw material for the preparation of activated carbon, at the same time using the mature direct combustion technology to introduce the pyrolysis product tar and combustible gas into the direct combustion boiler for combustion to provide a steady stream of heat for the pyrolysis furnace to avoid blockage or corrosion caused by tar condensation Equipment and other issues, to achieve energy cascade cycle, the specific plan is as follows:

Images