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Method for carbonizing organic solid waste by high-temperature coal gas to realize gas and charcoal co-production

A technology for organic solid and solid waste, which is applied in gasification process, production of combustible gas, heating of coke ovens, etc., to improve farmers' income and protect the ecological environment.

Inactive Publication Date: 2016-08-31
JIANGSU RUNTONG BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention proposes a method of carbonizing organic solid waste with high-temperature gas to realize the co-production of gas and carbon, and its purpose is to overcome the existing defects of various existing single treatment of organic solid waste

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A method of carbonizing organic solid waste with high-temperature gas to realize the co-production of gas and carbon, the process is as follows:

[0031] 1) After the organic solid waste sewage plant sludge is squeezed and dehydrated by mechanical means, the industrial waste heat or external heat source is used to enter the rotary drying furnace to dry the organic solid waste sludge and control the water content at 15-20%. After crushing, use a forming machine to process sludge carbonization materials (sludge sticks) with a diameter of 20-30 mm and a length of 80-120 mm, and then send the sludge carbonization materials to the sealed feeding port on the top of the carbonization furnace with a conveyor belt. Put the sludge carbonization material directly into the carbonization furnace chamber with a diameter of 2.56M from the feeding port. After the sludge carbonization material in the carbonization furnace chamber is filled, close and seal the feeding port and wait for op...

Embodiment 2

[0037] A method of carbonizing organic solid waste with high-temperature gas to realize the co-production of gas and carbon, the process is as follows:

[0038] 1) Organic solid waste agricultural and forestry biomass (straw, rice husk, branches, wood chips) and other organic combustibles are first put into the rotary drying furnace with industrial waste heat or external heat source to dry the organic solid waste agricultural and forestry biomass and control the moisture content At 15-20%, after being crushed or chopped, it is processed into a biomass carbonized material (biomass rod) with a diameter of 20-30 mm and a length of 80-120 mm, and then the biomass carbonized material is sent to the The sealed feeding port installed on the top of the carbonization furnace directly feeds the carbonized material into the carbonization furnace chamber with a diameter of 2.86M. After the biomass carbonized material in the carbonization furnace chamber is filled, close the sealed feeding ...

Embodiment 3

[0044] A method of carbonizing organic solid waste with high-temperature gas to realize the co-production of gas and carbon, the process is as follows:

[0045] 1) The organic combustibles such as organic solid waste and household garbage are first mechanically broken, air-selected to remove gravity and inorganic matter, and then squeezed and dehydrated, and then use industrial waste heat or external heat sources to enter the rotary drying furnace to remove the organic solids. The waste (domestic waste) is dried and the water content is controlled at 15-20%, and then crushed or chopped by machinery, and then enters the molding machine to be processed into waste carbonized materials (garbage sticks) with a diameter of 20-30 mm and a length of 80-120 mm. , and then the garbage carbonized material is sent to the sealed feeding port set on the top of the carbonization furnace with a conveyor belt, and the garbage carbonized material is directly added to the carbonization furnace ch...

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Abstract

The invention relates a method for carbonizing organic solid waste by high-temperature coal gas to realize gas and charcoal co-production. The method is characterized by comprising the following technologies: (1) dewatering, drying and smashing organic solid waste to obtain formed carbonization materials; (2) adding the formed carbonization materials into a carbonization furnace chamber from a sealing charging hole in the top of a carbonization furnace; (3) starting a negative-pressure Roots blower behind the carbonization furnace to form a 0.5-1Kpa micro-negative pressure state in the carbonization furnace chamber; (4) introducing high-temperature coal gas into the carbonization furnace chamber to directly heat the formed carbonization materials in the carbonization furnace chamber, and carrying out dry distillation and carbonization on the formed carbonization materials to generate biomass charcoal, and meanwhile, releasing dry distillation fuel gas; and (5) mixing the dry distillation fuel gas with the high-temperature gas subjected to dry distillation and carbonization heat absorption reaction into a fuel gas purification system, and cooling and filtering to obtain clean carbonization fuel gas. The method has the advantages of high generated carbonization fuel gas calorific value, few ash contents in the generated biomass charcoal and high grade, and can improve the incomes of farmers and protect ecological environment.

Description

technical field [0001] The invention relates to a method for carbonizing organic solid waste with high-temperature gas to realize gas and carbon co-production, and belongs to the technical field of energy-saving and environmental protection applications. Background technique [0002] my country is a large agricultural country, which produces a large amount of agricultural and forestry organic solid waste (straw, branches, etc.) every year. The clean utilization of my country's coal resources will be able to develop rapidly, and its market potential is unlimited. [0003] Organic solid waste is an important part of renewable energy. The method of using high-temperature gas and organic solid waste to produce carbonized gas and charcoal can effectively carbonize and utilize billions of tons of organic solid waste produced in my country every year. The utilization value of waste, but also to promote the social and economic development of our country, has practical strategic signi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B21/00C10B53/00C10J3/00
CPCC10B53/00C10B21/00C10J3/00C10J2300/093
Inventor 韩连恩
Owner JIANGSU RUNTONG BIOTECH CO LTD
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