Biomass combustion furnace advancing type grate bed structure and biomass combustion furnace

A biomass combustion furnace, a traveling technology, applied in the field of combustion furnaces, can solve problems such as production continuity, poor reliability, shortened scraper or bottom plate life, and reduced heating capacity of the combustion furnace, so as to eliminate production safety hazards and reduce The effect of labor quota and improvement of equipment utilization rate

Pending Publication Date: 2021-04-06
TIANJIN CEMENT IND DESIGN & RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The principle is to use a scraper to remove the ash on the bottom plate, the hard contact between the scraper and the bottom plate will shorten the life of the scraper or the bottom plate, and the gap between the scraper and the bottom plate will lead to incomplete slag removal; a set of pusher devices, less travel Half the length of the bottom plate of the combustion furnace, the fuel is piled up, and the dispersion effect is poor, which may easily lead to insufficient combustion and easy coking of ash; the stroke of the pushing device is short, the ash and slag cannot be removed in some areas, and there are still some areas that need to be manually cleaned; When the pusher device fails, it must be shut down, and the production continuity and reliability are poor; part of the mechanical assembly of the pusher device is outside the furnace body, which causes serious air leakage in the furnace, reduces the heating capacity of the combustion furnace, and lowers the furnace temperature

Method used

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  • Biomass combustion furnace advancing type grate bed structure and biomass combustion furnace
  • Biomass combustion furnace advancing type grate bed structure and biomass combustion furnace
  • Biomass combustion furnace advancing type grate bed structure and biomass combustion furnace

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Effect test

Embodiment 1

[0049] The walking grate bed structure of the biomass combustion furnace, the walking grate bed structure of the biomass burning furnace is set in the biomass burning furnace, and the walking grate bed structure includes a driving device and several parallel traveling grate plates , the driving device drives the traveling grate to reciprocate along its central axis, and the traveling grate moves back in batches after moving to the slag discharge port of the biomass combustion furnace, and between the retreating traveling grate separated by at least one traveling grate.

[0050] When one of the rows moves backwards, because the ash is subjected to the pressure of the upper material, its own gravity and the forward thrust of its adjacent row units, the backward movement speed of the ash is only 20% of the forward speed, thus Realize the gradual advancement of ash and slag, and realize the effect of automatic slag removal.

[0051] Furthermore, it can also be considered in the p...

Embodiment 2

[0067] Biomass combustion furnace, the biomass combustion furnace described in any one of the above-mentioned walking grate bed structure is installed in the biomass combustion furnace, and the biomass combustion furnace adopts biomass fuel.

[0068] The use of biomass combustion furnaces instead of coal-fired or gas-fired furnaces as the heat source for the steel slag grinding system reduces the amount of harmful gases such as nitrogen oxides caused by coal combustion during the preparation of steel slag fine powder, which is beneficial to environmental protection and reduces non-renewable gas such as coal combustion. Use of resources: Biomass fuel comes from a wide range of sources, and wood chips and rice husks can be used, which solves the difficult problem of traditional wood chips and rice husks, and reduces the fire risk of rice husks burned in farmers' cultivated land.

[0069] Further speaking, it can also be considered in the present invention that the biomass combust...

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PUM

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Abstract

The invention belongs to the technical field of combustion furnaces, and particularly relates to a biomass combustion furnace advancing type grate bed structure and a biomass combustion furnace. The biomass combustion furnace advancing type grate bed structure is arranged in the biomass combustion furnace, and the advancing type grate bed structure comprises a driving device and a plurality of advancing type grate plates arranged in parallel, wherein the driving device drives the advancing type grate plates to reciprocate along the central axis of the advancing type grate plates, the advancing type grate plates move towards a slag discharge port of the biomass combustion furnace and then retreat in batches, and the retreated advancing type grate plates are separated by at least one corresponding advancing type grate plate. According to the advancing type grate bed structure of the biomass combustion furnace and the biomass combustion furnace, ash is pushed forwards step by step, and automatic slag removal is achieved.

Description

technical field [0001] The invention belongs to the technical field of combustion furnaces, and in particular relates to a traveling grate bed structure of a biomass combustion furnace and a biomass combustion furnace. Background technique [0002] Existing techniques and drawbacks: [0003] Biomass fuel refers to the burning of biomass materials as fuel, generally mainly agricultural and forestry wastes, such as straw, rice husk, sawdust, bagasse, corncobs, etc., which are mainly different from fossil fuels. Biomass fuel is directly or indirectly derived from the photosynthesis of green plants and can be converted into conventional solid and gaseous fuels. It is a renewable energy source and a new type of clean fuel. Biomass fuel is an important renewable energy resource, which has the characteristics of various resources and wide distribution. In today's increasingly tense energy situation, it has attracted more and more attention. Moreover, the content of sulfur and ash ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23H11/24F23B30/06
CPCF23H11/24F23B30/06
Inventor 杜鑫聂文海刘畅徐达融柴星腾
Owner TIANJIN CEMENT IND DESIGN & RES INST
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