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High-parameter waste incineration boiler with reheating function

A waste incineration, high-parameter technology, applied in incinerators, preheating, combustion chambers, etc., to achieve the effects of improving sealing, improving parameters, and improving power generation efficiency

Active Publication Date: 2016-09-21
WUXI HUAGUANG BOILER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To achieve the above purpose, the existing waste incineration boilers cannot solve the above problems

Method used

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  • High-parameter waste incineration boiler with reheating function

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Embodiment Construction

[0017] See figure 1 As shown, a high-parameter waste incineration boiler with reheating includes a bracket 1, on which a connected first vertical channel 2, a vertical combustion chamber 1 3, a vertical combustion chamber 2 4, and a horizontal Flue 5, tail vertical flue 1 6 and tail vertical flue 2 7, the bottom of the first vertical passage 2 is connected to the furnace 8, the furnace 8 is provided with front and rear arches 9, the bottom of the furnace 8 is provided with a fire grate 10, and the lower end of the fire grate 10 A slagging device 11 is provided, a secondary air channel 12 is provided at the front and rear arches 9, and refractory castables are provided at the water wall of the high temperature zone of the first vertical channel 2, so that the hot flue gas with a flue gas temperature above 850°C can flow in the furnace Stay within 2 seconds or more to effectively suppress the generation of dioxins. The other parts of the first vertical channel and the water wall...

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Abstract

The invention relates to waste incineration boilers used for power generation and steam supply, in particular to a high-parameter waste incineration boiler with a reheating function. According to the high-parameter waste incineration boiler with the reheating function, the heat efficiency of the boiler and the overall power generation efficiency of a power plant can be effectively improved, so that the economic benefits of the power plant are greatly increased. The high-parameter waste incineration boiler comprises a hearth. The hearth sequentially communicates with a first perpendicular channel, two perpendicular reburning chambers, a horizontal flue and tail perpendicular flues. A reheater, a high-temperature superheater, a medium-temperature superheater and a low-temperature superheater are sequentially arranged in the horizontal flue. The reheater is provided with a spraying coating or is made of an anti-corrosion material. The tail perpendicular flues are each internally provided with coal economizers.

Description

technical field [0001] The invention relates to a garbage incineration boiler for power generation and steam supply, in particular to a high-parameter garbage incineration boiler with reheating. Background technique [0002] Due to the increasingly fierce competition of domestic waste incineration projects and higher and higher environmental protection requirements, it is required that the operating input cost of power plants increase sharply, while the waste disposal fee drops sharply. In order to obtain good economic benefits, power plants must effectively improve the thermal efficiency of waste incineration boilers , thereby improving the overall power generation efficiency of the power plant. [0003] The above objectives can be achieved by improving the unit parameters of waste heat recovery boilers. The main steam parameters of the boiler are changed from the traditional 4.0MPa, 400°C to 6.4MPa, 450°C, which can increase the efficiency of the power plant from 21% to 2...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G5/00F23J11/00F23L9/00F22G1/02F23M5/08F22D1/00
CPCF22D1/003F22G1/02F23G5/00F23J11/00F23L9/00F23M5/08
Inventor 丁虹毛军华花卉黄辉
Owner WUXI HUAGUANG BOILER
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