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Biomass carbonizing technology and system with high carbon production

A biomass charcoal, biomass raw material technology, applied in the carbonization furnace, biofuel, petroleum industry and other directions, can solve the problems of production, environmental pollution, lack of in-depth process research, etc., to reduce temperature, save energy, increase carbon production Effect

Inactive Publication Date: 2016-11-16
HEBEI TIANSHAN BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The carbonization equipment in the prior art can carbonize biomass to obtain four products: biomass charcoal, biomass gas, wood vinegar and wood tar. However, due to insufficient technological research, targeted production cannot be achieved. A certain product, and most carbonization equipment with biomass charcoal as the main product did not treat the subsequent biomass gas tail gas, causing environmental pollution

Method used

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  • Biomass carbonizing technology and system with high carbon production
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Examples

Experimental program
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Effect test

Embodiment 1

[0081] The process conditions are as follows: the total amount of biomass raw materials is 3 tons, the crushed size of biomass raw materials is 5cm, the carbonization temperature is 300°C, the carbonization time is 8.5h, the induced wind speed is 11m / s, the time interval between fan cycle opening and closing is 10min, and primary condensation The condensation temperature in the process of recovering wood vinegar is 25°C, and the condensation temperature in the process of recovering wood vinegar through secondary condensation is 15°C; as a result of carbonization, 0.9 tons of biomass charcoal is produced, and the carbonization rate is 30%.

Embodiment 2

[0083] The process conditions are as follows: the total amount of biomass raw materials is 3 tons, the crushed size of biomass raw materials is 5 cm, the carbonization temperature is 350 ° C, the carbonization time is 8 hours, the induced wind speed is 11.5 m / s, the time interval between fan cycle opening and closing is 15 minutes, and the primary condensation The condensation temperature in the process of recovering wood vinegar is 25°C, and the condensation temperature in the process of recovering wood vinegar through secondary condensation is 15°C; as a result of carbonization, 0.92 tons of biomass charcoal is produced, and the carbonization rate is 30.6%.

Embodiment 3

[0085] The process conditions are as follows: the total amount of biomass raw materials is 3 tons, the crushed size of biomass raw materials is 5cm, the carbonization temperature is 400°C, the carbonization time is 7.5h, the induced wind speed is 12m / s, the time interval between fan cycle opening and closing is 20min, and primary condensation The condensation temperature in the process of recovering wood vinegar is 25°C, and the condensation temperature in the process of recovering wood vinegar through secondary condensation is 15°C; as a result of carbonization, 1.3 tons of biochar are produced, and the carbonization rate is 43.3%.

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Abstract

The invention relates to a biomass carbonizing technology with high carbon production, belonging to the technical field of biomass utilization. The biomass carbonizing technology comprises the following steps: (1) pretreating biomass raw materials; (2) discharging; (3) carbonizing the biomass raw materials, and controlling the carbonizing temperature to be 300-500 DEG C and draught air speed to be 11-13 m / s by adopting external heat; (4) performing tail gas treatment; and (5) finishing carbonization. The invention relates to a biomass carbonizing system with high carbon production. The biomass carbonizing system comprises a carbonizing furnace, a cyclone separator, a primary condenser, a primary coke removal device, a secondary condenser, a secondary coke removal device, a roots fan and a gas storage cabinet. The biomass carbonizing technology and system have the technical effects that the technological equipment is simple, the resource utilization rate is high, the carbonization temperature is low, energy resources can be saved, more carbon production and less gas production can be achieved, the pertinence is strong, the production cost is low, and popularization is easy.

Description

technical field [0001] The invention belongs to the technical field of biomass utilization, and in particular relates to a biomass carbonization process and system with high carbon yield. Background technique [0002] Biomass energy is stored in organic matter that can grow, such as plants, animals and microorganisms, and it is converted from solar energy. Biomass energy resources are relatively abundant on the earth, and it is a kind of harmless energy. The earth produces 173 billion tons of matter through photosynthesis every year, and the energy contained in it is equivalent to 10-20 times of the world's total energy consumption, but the current utilization rate is less than 3%. [0003] Biomass energy has the following characteristics: (1) Renewability: Biomass energy is a renewable resource. Biomass energy can be regenerated through photosynthesis of plants. It belongs to renewable energy like wind energy and solar energy. It is rich in resources and can guarantee ener...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B57/00C10B57/02C10B57/10C10B1/00C10C5/00C10K1/00C10K1/02C10K1/04C10K1/08B01D53/26
CPCB01D53/26C10B1/00C10B57/00C10B57/02C10B57/10C10C5/00C10K1/001C10K1/002C10K1/026C10K1/04C10K1/08Y02E50/10
Inventor 巩雪桦窦冠琪李亚鹏孙浩潘冬梅
Owner HEBEI TIANSHAN BIOTECH CO LTD
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