Waste incineration exhaust-heat boiler
A waste heat boiler and waste incineration technology, applied in the direction of incinerators, combustion methods, combustion types, etc., can solve the problems of insufficient waste incineration, high cost of waste disposal, low calorific value of waste, etc., to reduce the emission of toxic and harmful substances, use High efficiency, not easy to accumulate dust
Inactive Publication Date: 2011-01-12
ANHUI JINDING BOILER
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Problems solved by technology
[0007] The technical problem to be solved by the technical solution provided by the present invention is that using the existing incineration waste heat boiler to incinerate garbage cannot adapt to the characteristics of low calorific value and high water content of garbage, which often leads to insufficient incineration of garbage and often produces a large amount of toxic and harmful gases. Low efficiency, long time-consuming, high cost of waste disposal and other technical problems, and a waste heat recovery boiler for waste incineration is provided
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[0021] Such as figure 1 As shown, the idea of the present invention is to provide an incineration waste heat boiler that can adapt to the characteristics of low calorific value and high moisture content of domestic waste. The incineration waste heat boiler of the present invention adopts international advanced technology incineration equipment, and fully considers the design structure of the furnace 1 Due to the characteristics of garbage combustion, the fullness of the flue gas in the furnace 1 is considered to the maximum extent to prevent the generation of harmful gases and the impact of the boiler on the surrounding environmental sanitation.
[0022] The technical solution provided by the present invention is a garbage incineration waste heat boiler, comprising a furnace 1, a furnace inlet 2 and a furnace outlet 3, the furnace inlet 2 is arranged at the front end of the flue gas passage in the furnace 1, the The furnace outlet 3 is arranged at the end of the flue gas cha...
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The invention discloses a waste incineration exhaust-heat boiler. The boiler comprises a hearth, a hearth inlet and a hearth outlet, wherein the hearth inlet is formed at the front end of a flue gas channel inside the hearth; the hearth outlet is formed at the tail end of the flue gas channel inside the hearth; the flue gas channel inside the hearth between the hearth inlet and the hearth outlet has a variable cross-section structure; the length L (meter) of the flue gas channel inside the hearth is more than or equal to the product of the maximum flow velocity V (meter / second) of the flue gas inside the hearth and T (second), namely L is more than or equal to V*T, wherein T represents two seconds; and an auxiliary combustor is arranged inside the hearth. The waste incineration exhaust-heat boiler provided by the invention has the characteristics of fully combusting waste, and effectively reducing the emission of toxic and harmful materials, along with high using efficiency, long service life and the like; and the hearth has a membrane wall structure which has the advantages of obvious sealing performance, high heat exchange efficiency and difficult dust stratification.
Description
technical field [0001] The invention belongs to the technical field of boiler manufacturing, and in particular relates to a garbage incineration waste heat boiler. Background technique [0002] Garbage disposal has become a worldwide topic, and countries all over the world have developed waste disposal equipment and methods. At present, most countries use waste incineration waste heat boilers to incinerate waste. Waste incineration is a treatment technology with the highest degree of waste reduction, resource utilization and harmlessness in the world at this stage, and incineration produces The heat energy can be used for heating or power generation. At the same time, the toxic and harmful components inside the garbage are decomposed after the high-temperature incineration process. Therefore, garbage incineration treatment is an effective technology suitable for the needs of large and medium-sized cities with rapid economic development, tight land resources, and difficult ga...
Claims
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IPC IPC(8): F23G5/08F23G5/44F23G5/46
Inventor 周勇黄兴华王东风周安锴孙仲平
Owner ANHUI JINDING BOILER