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Process and its device for clean burning and value gaining burning of solid fuel

A solid fuel, clean combustion technology, applied in the field of thermal energy equipment, can solve problems affecting combustion efficiency and environmental protection effects, mechanical incomplete combustion chemistry, incomplete combustion, etc., to reduce resource consumption, reduce fuel cost burden, and eliminate soot Effect

Inactive Publication Date: 2007-01-24
周开根
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

This utility model patent is a technical transformation of the existing boiler, and its combustion efficiency and environmental pollution will be improved. The movement direction of the grate and flue gas is arranged horizontally, which is prone to mechanical incomplete combustion and chemical incomplete combustion. Once the fuel is burned in the early stage, the soot formed during the previous combustion process will be difficult to eliminate, which will affect the combustion efficiency and environmental protection. Effect

Method used

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  • Process and its device for clean burning and value gaining burning of solid fuel
  • Process and its device for clean burning and value gaining burning of solid fuel
  • Process and its device for clean burning and value gaining burning of solid fuel

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Embodiment Construction

[0027] Figure 1 to Figure 4 It is a block diagram of boiler equipment composition and flue gas flow process in the embodiment of the present invention, wherein figure 1 The shown embodiment is the basic composition of the boiler of the present invention, which consists of a gasification combustion chamber, a pre-combustion zone, a charcoal combustion zone, a charcoal burnout zone, a furnace, an air supply device, a convective heat transfer channel, a tail waste heat recovery device, and a dust removal device , flue gas purification device, wherein the pre-combustion zone is at the junction of the gasification combustion chamber and the furnace, the fuel layer in the pre-combustion zone constitutes a physical isolation zone between the gasification combustion chamber and the furnace, the charcoal combustion zone and the charcoal burnt zone In the lower part of the furnace, the charcoal burning zone and the charcoal burning zone are formed by the relative positions of the grate...

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Abstract

The invention related to heat energy device by using coal, garbage, and biomass as fuel. The firing system is composed of fuel supply system, water vapor input unit, gasification firebox, hearth, water-cooling type or wind-cooling type fire grate in up layer, fixed grate or moving grate in low layer, primary and secondary air supply arrangement etc. Gasification firebox is in quasi-closed position. Water vapor input unit includes water vapor nozzle or plasma generator. In gasification firebox, solid fuel carries out following procedures: preheating, drying, gasifying, desulfurizing, dechloridizing, burning by exsilient volatile, and burning from fuel bed. Passing through full hot fuel bed on fire grate in up layer, flue gas in high temperature enters into hearth to carry out second time of burning so as to eliminating coal smoke. Being fed to gasification firebox, water vapor is in use for restraining generation of coal smoke to implement clean burning and value added burning.

Description

Technical field [0001] The invention relates to a combustion process of solid fuel, in particular to thermal energy equipment using coal, garbage and biomass as fuel. Background technique [0002] Environmental protection and energy issues are more and more closely affecting people's lives and the development of the national economy. Environmental pollution has become a major issue in the development of our country. Two goals have been proposed in the "Eleventh Five-Year Plan" of our country, namely In the next five years, the growth of unit GDP will reduce energy consumption by 20% and pollutant emissions by 10%. Premier Wen Jiabao of the State Council emphasized in his important speech at the Sixth National Environmental Protection Conference: "Protecting the environment is related to the overall situation and long-term development of my country's modernization drive. Severity and complexity, fully understand the importance and urgency of strengthening environmental protec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23B90/00C10J3/20F23L7/00F23B90/06
CPCY02E20/18
Inventor 周开根
Owner 周开根
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