Air preheating system of garbage incinerator
A waste incinerator and air preheating technology, applied in the field of mechanical structure, can solve the problems of high inlet air temperature and economic impact, and achieve the effect of improving economy
Active Publication Date: 2021-10-01
XIAN THERMAL POWER RES INST CO LTD
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Problems solved by technology
Since high inlet air temperature is required when burning waste with low calorific value and high moisture content, the use of steam heating has a great impact on the economy of the entire system
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[0033] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0034] see figure 1 , an air preheating system for a waste incinerator provided by the present invention includes a trough solar collector system 1, a steam ...
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The invention discloses an air preheating system of a garbage incinerator. The air preheating system comprises a groove type solar heat collector system, a steam preheater, an air preheater, a primary air pipeline, a secondary air pipeline and an in-furnace garbage pre-drying device. Wherein the primary air and the secondary air respectively flow through the steam preheater through the primary air pipeline and the secondary air pipeline to be subjected to primary heating, and then flow through the air preheater to be subjected to secondary heating. Photo-thermal conversion is achieved through the groove type solar heat collector system, heat conduction fluid is heated, the high-temperature heat conduction fluid enters the air preheater to heat primary air and secondary air, and the heat conduction fluid at an outlet of the air preheater enters the in-furnace garbage pre-drying device to be subjected to garbage pre-drying and then returns to the groove type solar heat collector system. Primary air and secondary air of the garbage incinerator are heated by utilizing renewable and clean solar energy and using the low-cost groove type solar heat collector system, the high-temperature steam consumption of the steam preheater is reduced, and the air preheating system has good economical efficiency and development potential.
Description
technical field [0001] The invention belongs to the technical field of mechanical structure of a domestic waste incineration boiler, and in particular relates to an air preheating system of a waste incinerator. Background technique [0002] Combusting municipal solid waste through a special incineration boiler, and then generating steam for power generation and steam supply, has the social benefits of saving energy and reducing environmental pollution. It is a scientific and rational method for comprehensively treating and utilizing waste. Since the flue gas produced in the waste incinerator contains more acid gases, it is easy to cause low-temperature corrosion, and there are a lot of ash particles in the flue gas, so the air preheater is usually heated by steam. Since high inlet air temperature is required when waste with low calorific value and high moisture is burned, the use of steam heating has a great impact on the economy of the entire system. [0003] Due to its in...
Claims
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IPC IPC(8): F23L15/04F23L9/00F23G7/00F23G5/04F23G5/44F23G5/46F23G5/50F24S23/70
CPCF23L15/04F23L9/00F23G7/00F23G5/04F23G5/44F23G5/46F23G5/50F24S23/70Y02E20/34Y02E10/40
Inventor 王远梁立刚张南徐远纲王慧青孟勇赵永坚赵杰
Owner XIAN THERMAL POWER RES INST CO LTD