Method for controlling garbage drying through combustion of pyrolysis combustible gas or waste heat of generator set
A technology of waste heat and gas combustion of generator sets, which is applied in combustion methods, gas turbine devices, drying and other directions, can solve the problems of low utilization efficiency of generator set exhaust gas, low heat exchange efficiency and difficulty in controlling the temperature of garbage drying, and achieve full circulation The effect of high utilization and heat exchange efficiency
Active Publication Date: 2020-03-20
中城绿建科技有限公司
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Problems solved by technology
[0004] The purpose of the present invention is to provide a method for controlling the drying of garbage by using the combustion of cracked combustible gas or the waste heat of the generator set to solve the problems in the prior art that it is difficult to control the drying temperature of the garbage and the exhaust gas utilization efficiency of the generator set is low by using low heat exchange efficiency
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[0024] The following description is only for disclosing the present invention to enable those skilled in the art to practice the present invention. The embodiments in the following description are only examples, and those skilled in the art can think of other obvious modifications. The basic principles of the invention defined in the following description can be applied to other embodiments, variations, improvements, equivalents and others without departing from the spirit and scope of the invention.
[0025] Such as figure 1 As shown, the present invention provides a method for controlling the drying of garbage by using cracking combustible gas combustion or generating unit waste heat, comprising the following steps:
[0026] In the cracking gasification step, the garbage is cracked and gasified in the cracking gasifier 3 to generate slag 3a and gaseous combustible gas;
[0027] combustible gas combustion or power generation step, after the combustible gas is purified, it i...
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The invention provides a method for controlling garbage drying through combustion of pyrolysis combustible gas or waste heat of a generator set. High-humidity combustible garbage is filled into a cracking gasification furnace for cracking gasification reaction; slag and gaseous combustible gas are generated; after being purified, the combustible gas is respectively conveyed to a combustion chamberfor combustion and / or the generator set for power generation; high-temperature flue gas generated after combustion of the combustion chamber and / or high-temperature flue gas generated by the generator set enter / enters a mixing chamber according to a preset proportion, cold air is conveyed to the mixing chamber for mixed air distribution, and a variable-frequency fan controls air after air distribution so that the air is conveyed to a drying roller for garbage drying according to a preset flow. According to the invention, sufficient cyclic utilization of energy is realized, the heat exchange efficiency is high, the frequency of the variable-frequency fan can be adjusted, and the proportion of high-temperature smoke to cold air entering the mixing chamber can be adjusted, so that the temperature of airflow into the drying roller is controlled, the garbage drying temperature is effectively controlled, the effective drying purpose is achieved, and disposal self-circulation is achieved.
Description
technical field [0001] The invention relates to the field of garbage disposal, in particular to a method for controlling drying of garbage by utilizing pyrolysis combustible gas combustion or waste heat of a generating set. Background technique [0002] In the existing waste disposal system, the high-temperature flue gas tail gas generated by the power generation unit that uses waste incineration to generate electricity generally exchanges heat with steam. Although the heat of the tail gas can be utilized to a certain extent, the heat transfer efficiency is low. [0003] Due to the large amount of disposal of stale garbage, stock garbage, mixed garbage and other projects, the garbage composition is complex and the moisture content is high. The ignition and explosion points of garbage are different and difficult to determine in different situations. In the process of garbage drying and disposal, daily According to the specific situation of garbage disposal, the working status...
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IPC IPC(8): F26B11/02F26B21/00F26B21/12F26B21/10F23G5/027F23J15/06F02C6/18F02C6/00F02C3/22
CPCF02C3/22F02C6/00F02C6/18F23G5/027F23J15/06F26B11/02F26B21/00F26B21/10F26B21/12Y02E20/30
Inventor 张颖李玮严鑫孙岐君徐涛滕安超
Owner 中城绿建科技有限公司