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Combustion heat supplying technology of biomass pyrolysis furnace

A biomass pyrolysis and combustion heat supply technology, which is applied in the fields of biofuels, coke ovens, direct heating and dry distillation, etc. Thermal safety, improving comprehensive economic benefits, and wide distribution

Inactive Publication Date: 2013-03-27
ZHONGJIEHUAN BEIJING ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it can be seen from the above introduction that all known direct combustion heating pyrolysis methods have various deficiencies and potential safety hazards, and cannot simultaneously satisfy high heat transfer efficiency, high heat utilization efficiency, combustion heating safety, and operation. Safety and stability, low investment in pyrolysis furnace equipment and other industrial implementation requirements

Method used

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  • Combustion heat supplying technology of biomass pyrolysis furnace
  • Combustion heat supplying technology of biomass pyrolysis furnace
  • Combustion heat supplying technology of biomass pyrolysis furnace

Examples

Experimental program
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Effect test

specific Embodiment approach 2

[0068] Carry out by specific implementation mode one, just: just as image 3 , Figure 4 As shown, a plurality of small burner nozzles 3 in each burner group 2 are arranged in a uniform manner and the whole is a square and relatively concentrated arrangement (such as image 3 shown), each combustion stabilization plate 4 is arranged in a uniform manner with a plurality of small burner nozzles 3 and the whole is square and relatively concentrated after being arranged correspondingly (such as Figure 4 Shown); after trial, also received the expected good results.

specific Embodiment approach 3

[0069] Carry out by specific implementation mode one, just: just as Figure 5 , Image 6 As shown, a plurality of small burner nozzles 3 in each burner group 2 are arranged in a manner of being dense on the outside and sparse on the inside, and the whole is a square and relatively concentrated arrangement (such as Figure 5 As shown), each combustion stabilization plate 4 corresponds to a plurality of small burner nozzles 3 that are arranged in an outer dense and inner sparse manner and are square as a whole and relatively concentrated after being arranged (such as Image 6 Shown); after trial, also received the expected good results.

specific Embodiment approach 4

[0070] Carry out by specific implementation mode one, just: just as Figure 7 , Figure 8 As shown, a plurality of small burner nozzles 3 in each burner group 2 are arranged in a uniform manner and are generally circular and relatively concentrated (such as Figure 7 shown), for each combustion stabilizing plate 4 and a plurality of small burner nozzles 3 are arranged in a uniform manner and are circular as a whole and correspond to after relatively concentrated arrangement (such as Figure 8 Shown); after trial, also received the expected good results.

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PUM

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Abstract

The invention discloses a combustion heat supplying technology of a biomass pyrolysis furnace, which relates to the technical field of biomass thermochemistry. The combustion heat supplying technology includes that pluralities of combustor groups are dispersedly distributed on the upper portion of the pyrolysis furnace along an axial direction, each combustor group is composed of pluralities of small combustor nozzles, space between adjacent small combustor nozzles is 5d-14d, fuels and oxidizers respectively enter the pyrolysis furnace through an independent channel of each small combustor nozzle and conduct non-premixed combustion inside the pyrolysis furnace; the thickness of the channel wall of each small combustor nozzle is 1-3 millimeters; a stable combustion plate is arranged at the position of 0.5d-3.0d of a small combustor nozzle outlet corresponding to each combustor group, the stable combustion plate with a hole diameter ranging from 1.2d to 3.0d is made of heat resistant steel plates or ceramic plates; d is the outer diameter of each small combustor nozzle; each small combustor nozzle and each stable combustion plate are not contacted with solid materials inside the pyrolysis furnace and a stirring rod arranged inside the pyrolysis furnace; the highest temperature of combustion flames inside the pyrolysis furnace is below 1600 DEG C; the combustion heat supplying technology is applied to the pyrolysis furnace for biomass pyrolysis treatment.

Description

technical field [0001] The combustion heat supply technology of the biomass pyrolysis furnace of the present invention relates to the technical field of energy and chemical engineering; in particular, it relates to the technical field of thermochemistry of biomass; in particular, it relates to medium-temperature rapid pyrolysis treatment of biomass in order to realize entrained gasification of biomass The technical field; specifically relates to the technical field of combustion heating technology of biomass pyrolysis furnace. Background technique [0002] Biomass is organic matter produced by absorbing carbon dioxide from the air through photosynthesis. It is widely distributed, available in large quantities, and is the only renewable, storable natural raw material containing hydrocarbon components and thermal energy. Using biomass for energy utilization and chemical production, with CO 2 Characterized by zero emissions. With the decrease of traditional fossil energy res...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10B49/00C10B49/12C10B53/02
CPCY02E50/14Y02E50/10
Inventor 张泽
Owner ZHONGJIEHUAN BEIJING ENERGY TECH