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Burner for the combustion of material for combustion in the form of a comminuted wood product, in particular of fine material

一种燃烧器、产品的技术，应用在燃烧粉末燃料的燃烧器、固体燃料的燃烧、燃烧器等方向，能够解决细碎材料不适合等问题，达到促进烟气净化的效果

Active Publication Date: 2020-01-10
KRONOTEC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of burner is very unsuitable for finely divided materials, which tend to be entrained due to the high gas velocities in the furnace

Method used

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  • Burner for the combustion of material for combustion in the form of a comminuted wood product, in particular of fine material
  • Burner for the combustion of material for combustion in the form of a comminuted wood product, in particular of fine material

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Embodiment Construction

[0030] figure 1 A wood board manufacturing device 10 according to the present invention is shown, which has a wood crushing device 12 for crushing wood 14. The wood shredding device 12 may comprise, for example, a cutter or a saw and make wood chip products, which in this case are conveyed to a sorting device 16, which may optionally be present, for example in the form of a winnowing machine. In this way, the finely divided material 18 is separated and delivered to the combustion material supply 20 formed by the combustion material well in this example.

[0031] The combustion material supply part 20 is a part of the burner 22 according to the present invention, and the burner 22 further includes a screw conveyor 24 and an air supply part 26. The screw conveyor 24 includes a conveying screw 28 which is installed in the barrel 30. When the conveying screw 28 is running, the finely divided material 18 is conveyed to the filling area 32 in the material flow direction M.

[0032] The...

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Abstract

The invention relates to a burner for the combustion of material for combustion (18) in the form of a comminuted wood product, in particular of fine material (18), having (a) a material-for-combustionfeed (20) for the feed of the material for combustion (18), (b) a screw conveyor (24) for conveying the material for combustion (18), (c) a combustion region (46), wherein the screw conveyor (24) isarranged to convey the material for combustion (18) from the material-for-combustion feed (20) to the combustion region (46), (d) an air feed (26) for feeding air (50) to the combustion region (46) and (e) a burner mouth (42) for discharging combustion gases (52) out of the combustion region (46). According to the invention, a tamping region (32) is provided which is formed, in the material flow direction (M) of the material for combustion (18), downstream of the material-for-combustion feed (20) and upstream of the combustion region (46), wherein a conveying screw (28) of the screw conveyor (24) and the tamping region (32) are designed for compressing the material for combustion (18) in the tamping region (32).

Description

Technical field [0001] The present invention relates to a burner according to the preamble of claim 1 for burning burning materials (especially finely divided materials) in the form of wood chips products. The finely divided material refers to, for example, small-diameter wood particles up to 3 mm, wherein the length of the particles of the finely divided material is generally less than 40 mm. Such finely divided material is obtained, for example, in sawmills and in the production of wood boards. Since process heat is also required in the production of wood boards, the remaining materials, including the finely divided materials, are usually burned. Background technique [0002] Burning finely divided materials is inherently problematic. Due to the small particle size, the finely divided materials in the furnace are easily entrained by the air flow, so they will quickly leave the combustion chamber. The time in the combustion chamber is usually not enough to ignite the finely d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23D1/04F23G7/10B65G33/34
CPCF23D1/04F23D2201/10F23G7/105F23G2202/103F23G2205/121F23G2209/261F23G2900/50209Y02E20/12B65G33/34F23B40/00F23G7/10F23G5/16F23G5/46F23G2203/8013F23G2206/203
Inventor H·莱姆克
Owner KRONOTEC
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