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Internal circulation fluidized bed garbage combustion device having melt sticking dechlorination function

A waste incineration and internal circulation technology, applied in the direction of incinerators, combustion methods, combustion types, etc., can solve the problems of increased investment costs, operational difficulties, large and complex systems, etc., and achieve the effect of reducing dioxin pollution

Inactive Publication Date: 2006-08-23
SHANGHAI JIAOTONG UNIV
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Problems solved by technology

This patent is a waste incineration technology of great practical value. However, in order to achieve graded treatment, the patent adopts the form of circulating fluidized bed, sets up a double material leg structure, and adds a dechlorination adsorption bed. The system is large and complex, and the garbage needs Positive pressure feeding, which greatly increases the investment cost and operation difficulty

Method used

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  • Internal circulation fluidized bed garbage combustion device having melt sticking dechlorination function

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Embodiment Construction

[0009] Such as figure 1 As shown, the present invention includes: an internal circulating fluidized bed furnace 1, an inclined non-uniform air distribution plate 2, a low-speed primary air chamber 3, a high-speed primary air chamber 4, a riser 5, a waste fuel feed port 6, and a dechlorination agent supply Material port 7, slag discharge port 8, secondary air inlet 9, sorting air inlet 10, pyrolysis zone 11, combustion zone 12, burnout zone 13. The connection relationship is as follows: the bottom of the inner circulating fluidized bed furnace 1 is an inclined non-uniform air distribution plate 2; the lower part of the inclined non-uniform air distribution plate 2 is provided with a low-speed primary air chamber 3 and a high-speed primary air chamber 4; according to the air distribution plate 2 Depending on the wind speed, the inner circulating fluidized bed furnace 1 is divided into a low-speed wind area and a high-speed wind area. In the hot state, it is the pyrolysis area 11...

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Abstract

The present invention relates to an internal recycling fluidized bed refuse incineration equipment with viscous melt-phase dechlorination which is used in the field of environment protection. Said equipment includes internal recycling fluidized bed furnace cavity, inclined non-uniformly air-distributing plate, low-speed first ai chamber, high-speed first air chamber, life pipe, refuse fuel inlet, dechlorination agent inlet, slag discharge outlet, secondary air inlet, separation air inlet, thermal decomposition zone, combustion zone and burning zone, etc.

Description

technical field [0001] The invention relates to a garbage incineration device, in particular to an internal circulating fluidized bed garbage incinerator with sticky melting dechlorination, which is used in the field of environmental protection. Background technique [0002] At present, the disposal of garbage mainly includes landfill, composting and incineration. Due to the presence of a large amount of organic components and some harmful bacteria in garbage, incineration is not only one of the safest and most effective reduction techniques, but also can obtain energy and is widely used. Among them, fluidized bed incineration has high combustion efficiency and low pollutant (NO x , SO x and dioxins) are easy to control and have good combustion adaptability, making them the main incineration method for waste disposal. However, these waste incineration technologies also have some problems, such as the high-temperature corrosion of the heating surface caused by the hydrogen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23G5/30F23G5/027F23G5/44F23J1/00
Inventor 范浩杰章明川田凤国范卫东周月桂
Owner SHANGHAI JIAOTONG UNIV
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