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Mechanical grate type garbage gasification and incineration furnace and double-boiler power generation system

A technology of power generation system and mechanical grate, applied in mechanical equipment, machine/engine, incinerator, etc., can solve the problems of easy ash accumulation, large feeding amount, large peroxidation coefficient, etc., achieving less waste residue and high utilization rate Effect

Active Publication Date: 2016-06-01
CHONGQING SANFENG ENVIRONMENTAL IND GRP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, the fly ash content in the flue gas after incineration is high, the boiler ash is heavy, and the ash cleaning maintenance period is short
[0007] 2. With the increasing amount of garbage generated and piled up like mountains, the amount of garbage treatment must be effectively increased in order to meet market demand
[0010] Existing gasification incinerators, such as the following two invention patents: Multi-column segmented drive compound domestic waste incinerator (ZL200710092508.9) and two-stage waste incinerator (ZL201010268376.2) Unsolved problems: heat treatment of waste The mode is relatively backward, just drying-burning-burning, the process of solid combustion releasing heat; the thermochemical reaction in the furnace is dominated by oxidation reaction, supplemented by reduction reaction, which is easy to produce secondary pollutants; when garbage is burned in the furnace, the peroxygen coefficient Large, large amount of primary air and secondary air supply, high dust content in flue gas, great impact on heat energy recovery system and flue gas treatment system, easy to accumulate dust, large amount of flue gas, reducing heat conversion efficiency; Without a separate gasification furnace and ember furnace, waste can only be processed in batches, and large-scale continuous gasification and incineration of waste cannot be realized, and the amount of waste treated is small

Method used

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  • Mechanical grate type garbage gasification and incineration furnace and double-boiler power generation system
  • Mechanical grate type garbage gasification and incineration furnace and double-boiler power generation system
  • Mechanical grate type garbage gasification and incineration furnace and double-boiler power generation system

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Embodiment Construction

[0046] see Figure 1 to Figure 6 , is a preferred embodiment of a mechanical grate type garbage gasification incinerator and its double boiler power generation system, including a gasification incinerator, a boiler system, and a circulating air supply system.

[0047] see Image 6 , is a mechanical grate type garbage gasification incinerator, including a furnace frame 101, and a feed bin 102, a gasification furnace 103, and an ember furnace 104 that are sequentially arranged on the furnace frame 101 along the feeding direction, and the ember furnace 104 The rear is the slag outlet 116 of the embering furnace 104. The slag outlet 117 is provided on the embering furnace 104. The slag outlet 116 of the embering furnace 104 is located directly below the slag outlet 117 of the embering furnace. The structural sealing effect is good, which can effectively reduce the emission of pollutants. The gasification furnace 103 mainly gasifies the charcoal part of the garbage, and discharge...

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Abstract

The invention discloses a mechanical grate type garbage gasification and incineration furnace and double-boiler power generation system with relatively small heat conversion efficiency loss and higher heat recovery efficiency. The system comprises a gasification and incineration furnace, a boiler system, a circulating air supply system and a power generation system, wherein the gasification and incineration furnace comprises a gasifier and an incinerator, which can be sealed or communicated; the boiler system comprises boiler bodies a and b; the boiler body a comprises a cyclone combustion chamber and furnace chambers a and b; the boiler body b comprises a furnace chamber d and a cyclone dust chamber; water cooling walls are arranged in the cyclone combustion chamber and the cyclone dust chamber; a superheater is arranged in the furnace chamber a; an evaporator is arranged in the furnace chamber b; a superheater and an evaporator are arranged in the furnace chamber d; steam pockets are arranged at the top ends of the two boiler bodies; a smoke inlet of the cyclone combustion chamber is connected with a smoke outlet of the gasifier; a smoke inlet of the cyclone dust chamber is connected with a smoke outlet of the incinerator; the power generation system comprises a steam inlet pipe, a steam turbine and a power generator; and the steam inlet pipe is connected with the superheaters a and b and the steam turbine.

Description

technical field [0001] The invention belongs to the technical field of solid waste incineration treatment, and in particular relates to a mechanical grate type garbage gasification incinerator and a double boiler power generation system thereof. Background technique [0002] The existing waste treatment technologies mainly include incineration, sanitary landfill, composting, and waste recycling. Among the conventional waste treatment technologies, incineration has the advantages of obvious reduction effect, complete harmlessness, small land occupation, utilization of waste heat energy, and less secondary pollution, which meets the strategic requirements of my country's sustainable development. However, with the continuous improvement of environmental protection requirements at home and abroad, how to strengthen the control of secondary pollution is particularly important. Therefore, waste pyrolysis and gasification incineration technology is gradually pushed to the road of ...

Claims

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Application Information

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IPC IPC(8): F23G5/00F23G5/04F23G5/027F23G5/44F23G5/46F01K11/02F01D15/10
CPCY02E20/12F23G5/002F01D15/10F01K11/02F23G5/027F23G5/04F23G5/444F23G5/46
Inventor 严欣平肖大志周雄林顺洪李长江丁又青徐明柏继松季炫宇
Owner CHONGQING SANFENG ENVIRONMENTAL IND GRP
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