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Solid biomass fuel boiler

A solid biomass and fuel technology, applied in the direction of solid fuel combustion, combustion equipment, fluid heaters, etc., can solve the problems of stopping the furnace for slag removal, coking of the grate, and inability to burn intermittently for a long time

Inactive Publication Date: 2009-03-18
LIAONING SENRAN BIOLOGICAL ENERGY DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because biomass fuel usually contains a large amount of alkali metal elements (potassium, sodium, etc.), currently, boilers using biomass fuel will have grate coking, nodules, and flame failure, and cannot operate continuously or intermittently for a long time. Combustion condition; frequent shutdown for cleaning and re-ignition required
Therefore, the widespread use of biomass fuel boilers has been severely restricted

Method used

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Embodiment Construction

[0012] The present invention comprises the furnace body 10 that has insulating layer 11, and the bottom of furnace body 10 is combustion pool 23, and the inner wall of combustion pool 23 is the surface layer 20 of magnesium-carbon material, the fire grate 25 of magnesium-carbon material, the side of combustion pool 23 It is the air inlet 21; one end of the combustion pool 23 is the ash tank 1, and the other end of the combustion pool 23 is provided with a push block 22, and the push block 22 is connected with the motor by a cam mechanism 24.

[0013] Between the front arch 17 and the rear arch 13 of the body of heater 10 is a throat 15, and above the throat 15 is a combustion chamber 14;

[0014] In this way, the biomass fuel particles are evenly sent to the slope 16 of the front arch 17 of the throat 15 through the storage box 18 and a plurality of screw feeders 19, and slide down by their own weight, and then fall into the combustion pool 23 through the throat 15 . The effe...

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Abstract

The invention relates to a solid biomass fuel boiler, in particular to an improved structure of the solid biomass fuel boiler. The invention is to provide a solid biomass fuel boiler which has no coking and no nodulation and can continuously operate for a long time in the burning process. The solid biomass fuel boiler comprises a boiler body with a heat insulation layer; the lower part of the boiler body is provided with a combustion pool; the structural key points of the solid biomass fuel boiler are that the inner wall of the combustion pool is a surface layer made of a magnesium carbon material and a grate made of the magnesium carbon material; the side part of the combustion pool is provided with a wind inlet hole; one end of the combustion pool is provided with an ash falling groove, and the other end of the combustion pool is provided with a push block; and the push block is connected with a motor through a cam mechanism.

Description

Technical field: [0001] The invention relates to the improvement of the solid biomass fuel boiler structure. Background technique: [0002] At present, there is no ideal biomass fuel boiler product in the domestic market, and the design of various biomass fuel boilers is still manufactured in the way of coal-fired boiler layer combustion, and there is no new major breakthrough. The water content of biomass fuel is relatively large, about 10-12%, which is 4-8 times that of coal. Therefore, in the case of using the same boiler, compared with coal as fuel, the amount of flue gas generated by using biomass fuel as fuel is about 1-2 times that of coal. Biomass fuel has a low density, and when it enters the furnace for combustion, it can float and burn in the furnace with the evaporation of water. [0003] From the point of view of the combustion process of the fuel, most of the biomass fuels are dried, and the volatile matter quickly detaches from the parent body and burns rapi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23B40/00F24H1/40F23B101/00
Inventor 庞明礼腾万路胡明生刘大力
Owner LIAONING SENRAN BIOLOGICAL ENERGY DEV
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