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Boiler capable of burning inferior fuel

A low-quality fuel and boiler technology, applied in combustion chambers, combustion methods, combustion equipment, etc., can solve problems such as low calorific value, and achieve stable output, easy adjustment, and a wide range of fuels

Inactive Publication Date: 2004-04-28
韩枫
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] In order to overcome the shortage that the existing boilers cannot use inferior fuels, the present invention provides a boiler capable of burning inferior fuels. The boiler can not only burn coals with low calorific Mix and burn fuels with different properties, so that the neutralization reaction of the generated flue gas meets environmental protection standards

Method used

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  • Boiler capable of burning inferior fuel

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specific Embodiment

[0026] A boiler capable of burning low-quality fuel is composed of a furnace body 1, a grate 11, a combustion area, a heat exchange area, and a smoke collection box 21; the combustion area is divided into a pre-combustion area, a front accumulation combustion area, and a rear accumulation combustion area. area and suspended combustion heat exchange area; the pre-combustion area is composed of heating plate 8, rotating heating plate 9, reflector plate 5, furnace body 1 and material inlet 6; the stacking combustion area is composed of heating plate 8, rotating heating plate 9, Port 10, grate 11, slag outlet 19, and furnace arch 18. The front part of the vertical line along the lower edge of the reflector is the front accumulation combustion area, and the rear part of the vertical line is the rear accumulation combustion area; the heat exchange area is divided into dust removal and heat exchange areas. And the suspended combustion heat exchange area, the dust removal heat exchange...

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Abstract

The boiler capable of burning inferior fuel has inside reflecting board, heating board and guide board, and is divided into pre-burning region, burning region, heat exchange region and slag discharging channel. The subsequent fuel is heated via absorbing the radiated heat from the burning region without covering the burning layer, so that it does not disturb the burning state of the burning region and does not lower the temperature of the burning region and the fuel in the burning region can burn stably in full hot state. Inflammable gas produced in preheating is ignited by the high temperature flame in the burning region, dust in fume is separated and exhausted in the heat exchange region and smoke collecting box. The boiler can burn coal with lower heat and other inferior fuel as well as their mixture while meeting the environment protecting standard.

Description

Technical field: [0001] This invention relates to boilers, and more particularly to boilers for burning inferior fuels. Background technique: [0002] The current boilers are difficult to incinerate low-quality fuels, so that many available fuels cannot be used and become waste, causing a lot of waste. [0003] During the combustion process, the fuel first absorbs heat, and after reaching the ignition point, it starts to burn and releases heat. A part of it is heated by the subsequent fuel to make it warm up to the ignition point and start to burn, replacing it. High-quality fuel absorbs less heat and releases more heat. On the contrary, low-quality fuel needs a lot of ignition heat, but releases less heat and has a low temperature. The subsequent fuel absorbs a large amount of heat from the burned fuel, reduces its temperature, and makes the combustion impossible. Therefore, the quality of a fuel depends on its ability to absorb and release heat. Whether the combustion c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23M3/12
Inventor 韩枫
Owner 韩枫
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