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Rotary segmental heating biomass continuous pyrolysis equipment

A segmented heating and biomass technology, applied in the direction of biofuel, special carbonization, climate sustainability, etc., can solve the problems of energy loss and low pyrolysis efficiency, and achieve the effect of overcoming uncontrollable temperature

Inactive Publication Date: 2017-09-29
ACADEMY OF PLANNING & DESIGNING OF THE MINIST OF AGRI
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Problems solved by technology

[0006] The purpose of the present invention is to solve the problem of low pyrolysis efficiency and serious energy loss in the existing biomass pyrolysis technology described in the technical background, and discloses a rotary type segmental heating biomass continuous pyrolysis equipment. The equipment adopts the principle of high-temperature combustion gas waste heat recovery, and designs an adjustable segmental heating pyrolysis furnace

Method used

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  • Rotary segmental heating biomass continuous pyrolysis equipment
  • Rotary segmental heating biomass continuous pyrolysis equipment
  • Rotary segmental heating biomass continuous pyrolysis equipment

Examples

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Embodiment

[0026] Example: Production of biochar using corn stalks

[0027] The biochar is produced by adopting the rotary type section heating biomass continuous pyrolysis equipment of the present invention, the raw material is corn stalks, the length is about 3-4mm, the moisture content is 10-20%, and the density is about 100kg / m 3, turn on the starting electric furnace outside the rotary furnace, raise the temperature to the set temperature, then add the straw into the hopper, turn on the air switch and the feeding screw to transport the straw to the rotary furnace, adjust the heat shield to the appropriate position, When the corn stalks move to the solid-gas separation part, the carbonization is completed. At this time, the biochar is discharged into the carbon collection bin through the discharge air lock, and the pyrolysis mixed gas is discharged into the oil-gas separation part. The heavy tar is separated and collected, and then the mixed gas enters the oil-water-gas three-phase s...

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Abstract

The invention discloses rotary sectional heating biomass continuous pyrolysis equipment, which mainly is composed of a feeding system, a drying chamber, a pre-pyrolysis chamber, a heat preservation pyrolysis chamber, a solid-gas separation system, a pyrolysis gas purification separation system, a gas regenerative system and a sealing system. By means of continuous closed feeding and discharge, continuous pyrolysis reaction is ensured. A rotary furnace adopts high temperature flue gas regeneration principle to provide heat source for biomass material pyrolysis. The pyrolysis temperature is adjusted by adjusting the air input. At the same time, two moveable heat insulation rings are employed in the rotary furnace jacket to divide pyrolysis into three parts: drying, pre-pyrolysis and heat preservation pyrolysis, and the length ratio and temperature of the three sections can be adjusted according to technological requirements.

Description

technical field [0001] The invention belongs to the technical field of renewable energy, and is a rotary type segmental heating biomass continuous pyrolysis equipment, specifically a set of equipment for low-temperature pyrolysis carbonization and pyrolysis gas separation using biomass as raw material, which can realize different materials , Continuous carbonization under different process conditions. Background technique [0002] Biochar is a solid product produced by thermal cracking of biomass organic materials in an anoxic or anaerobic environment. It is rich in resources and has a wide range of uses. It can be used not only as a high-quality energy source, but also as a reducing agent, as well as a soil improver, fertilizer slow-release carrier and carbon dioxide sequestration agent. [0003] At present, due to the emphasis on the study of biomass pyrolysis mechanism, some remarkable results have been produced. According to the continuity of biochar production, carbon...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10B53/02C10B57/10C10K1/02C10K1/04
CPCY02E50/10Y02P20/10
Inventor 赵立欣贾吉秀姚宗路丛宏斌孟海波霍丽丽吴悠朱本海戴辰
Owner ACADEMY OF PLANNING & DESIGNING OF THE MINIST OF AGRI
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