A device for drying and incinerating domestic waste
A technology of incineration device and domestic waste, applied in incinerators, combustion methods, combustion types, etc., can solve the problems of high cost of grate and furnace body, uneven temperature distribution, uneven incineration, etc., and achieve energy saving and temperature distribution. The effect of uniform and reduced grate area
Active Publication Date: 2016-09-14
HEFEI UNIV OF TECH
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Problems solved by technology
[0003] Some of the existing waste incineration devices place the drying and incineration stages of the waste in the incinerator. The disadvantages of this incineration method are: the need for a large grate area leads to high cost of the grate and furnace body; Adding combustion-supporting fuel consumes energy; the incineration in the furnace is uneven, the temperature distribution is uneven, and the combustion efficiency is low
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[0016] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.
[0017] A dry incineration device for domestic waste, comprising a feed inlet 1, a slag discharge outlet 2, an air distribution box 5, a herringbone furnace arch 4 and a chain fire grate 3, the air distribution box 5 is arranged below the chain fire grate 3, and is characterized in that: A cylindrical dryer 6 is arranged between the feed port 1 and the chain grate 3, and the cylindrical dryer 6 is composed of an internal high-temperature wear-resistant porous stainless steel cylindrical screen 61 and an external high-temperature resistant jacket 62. The cylinder dryer 6 is arranged obliquely, and its end close to th...
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The invention discloses a household garbage drying and burning device which comprises a material inlet, a residue discharging mouth, an air bellow, a lambdoid furnace arch and a chain fire grate, wherein through the arrangement of a cylinder shaped dryer, a drying flue gas pipeline and a heat exchanging flue gas pipeline, the burning process is divided into two steps of drying and burning. Compared with the prior art, the household garbage drying and burning device has the advantages that burning is divided into two steps of pre-drying and full burning aiming at the characteristics of household garbage, the problems that the household garbage burning device is high in manufacturing cost and energy consumption and low in burning efficiency can be effectively solved, the garbage is dried and the air is preheated by using the burning high temperature flue gas, the burning efficiency is improved, the production cost of the device is lowered, and energy is saved.
Description
technical field [0001] In the field of the present invention, it particularly relates to a domestic garbage drying and incineration device. Background technique [0002] The total amount of domestic waste in our country is huge, increasing at a rate of 8-10% every year. The proper disposal of domestic waste and the realization of the harmlessness, reduction and recycling of waste are the basic requirements for sustainable development. The incineration technology of domestic waste is the key to realize the "three modernizations" of waste, and the incineration treatment device provides scientific conditions for the realization of incineration technology. At the same time, domestic waste has the characteristics of complex components, low calorific value and high water content, especially the level of water content directly affects the quality of incineration. Existing studies have shown that drying the waste can increase its calorific value and promote the next step of incine...
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IPC IPC(8): F23G5/04F23G5/46
CPCF23G5/04F23G5/46F23G2201/10
Inventor 邢献军虞浸马培勇孙宗康吴照斌
Owner HEFEI UNIV OF TECH