Biological matter straw burning-gasifying feeding apparatus

A biomass straw and feeding device technology, which is applied to the gasification feeding device and the biomass straw burning field, can solve the problems of inability to enter the feeding device smoothly, low bulk density, different sizes, etc. Good adaptability and wide size distribution

Active Publication Date: 2007-08-29
SOUTHEAST UNIV
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Problems solved by technology

However, the strip-shaped materials after shredding have the characteristics of low bulk density, different sizes, complex shapes, and interlacing, etc., often appear "bridge" and "arching" phenomena in the silo, and cannot enter the feeding device smoothly ; In addition, when the existing conventional feeding device transports this type of biomass straw, there will be problems such as blockage or even damage to the equipment

Method used

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  • Biological matter straw burning-gasifying feeding apparatus
  • Biological matter straw burning-gasifying feeding apparatus
  • Biological matter straw burning-gasifying feeding apparatus

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Embodiment Construction

[0022] The feeding and device of the present invention are mainly composed of a feed bin 5, a double screw feeder 8, an intermediate hopper 11 and a double screw conveyor 14. The chopped and pretreated biomass straw of 10-200 mm is fed into the silo 5, fed by the double-screw feeder 8 at the bottom, and falls into the middle hopper 11, and then the biomass is transported by the double-screw conveyor 14 at the bottom of the hopper. The straw is conveyed into the material equipment such as biomass combustion and gasification.

[0023] The silo 5 is in the shape of a tower, the front and rear panels are vertical, and the side panels 4 are inclined with an inclination angle of 5-10°, which can effectively prevent the materials from forming "bridges" and "arches" in the silo 5; An industrial TV monitoring device 1 and a high-pressure water spraying device 2 are arranged in the center. Once an open flame is detected in the material layer, water can be sprayed immediately to eliminat...

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Abstract

The charging device of the straw burning and gasification uses the differential variable-pitch double helix to reach the charging continuously especially for the strip biological fuel. The device includes: material barn, the feeding helix, the middle hopper, the dehvery helix; the material barn is on the top which the upper mouth is connected with the upper side of the feeding helix middle which the material drop mouth is connected to the upper mouth of the middle hopper which the low mouth is connected to the upper side of the dehvery helix. The device transfers the straw of 10-200mm into the material barn by the double helix feeder, then it drops into the middle hopper, next the double helix transformer at the bottom of the hopper transfers the straw into the burning and gasification device.

Description

technical field [0001] The invention relates to a charging device for biomass straw combustion and gasification, and belongs to the technical field of biomass straw treatment. technical background [0002] Biomass energy is renewable and low-pollution, and has become an important part of renewable energy. Clean and efficient utilization of biomass energy is an important international energy strategy. At present, biomass straw combustion and gasification are two important technologies for biomass energy utilization. These two technologies can convert this low-quality energy into high-quality energy, and have significant economic, social and environmental benefits. [0003] In the industrial application of these two technologies, continuous and stable feeding is crucial. At present, the existing feeding methods and devices at home and abroad, such as propulsion feeding devices and screw feeding devices, have strict requirements on the size of materials, and are only suitable...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23K3/00B65G33/08
Inventor 金保升钟文琪张勇
Owner SOUTHEAST UNIV
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