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Centralized fly ash high-temperature melting vitrification utilization system and method

A high-temperature melting and vitrification technology, which is applied in the removal of solid waste and waste treatment, can solve the problems of incomplete vitrification, large fuel consumption, and complicated treatment process, and achieve good removal effect, high degree of automation, The effect of a compact system

Pending Publication Date: 2021-10-08
武汉武锅能源工程有限公司
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Problems solved by technology

[0009] The technical problem mainly solved by the present invention is: the purpose of the process of the present invention is to provide a centralized fly ash high-temperature melting vitrification utilization system and method to solve the problem of complex processing technology, large fuel consumption, Problems of incomplete vitrification and poor economy

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  • Centralized fly ash high-temperature melting vitrification utilization system and method
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  • Centralized fly ash high-temperature melting vitrification utilization system and method

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Embodiment Construction

[0036] In order to make those skilled in the art better understand the technical scheme of the present invention, preferred embodiments of the present invention are described below in conjunction with specific examples, but can not be interpreted as the limitation of this patent.

[0037] Such as Figure 1-3 As shown, the fly ash burned by all incinerators in the administrative area of ​​a certain province will be sent to the fly ash centralized treatment station of the present invention, in the fly ash centralized treatment station, pure oxygen is made by oxygen generator 8, and fly ash is produced by The sealed storage tank 23 is stored, the additive is stored by the additive storage tank 22, and the fuel is stored by the fuel storage tank 21. The additive, fuel, stored fly ash and the produced pure oxygen are sent to the fly ash high temperature molten glass of the present invention through pneumatic conveying The system adopts the principle of high-temperature vortex combu...

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Abstract

The invention discloses a centralized fly ash high-temperature melting vitrification utilization system and method. The centralized fly ash high-temperature melting vitrification utilization system comprises a vortex combustion chamber, a burnout chamber, a hearth, a waste heat recovery system and a flue gas treatment system which are sequentially connected, and a feeding port of the vortex combustion chamber is connected with the output end of an oxygen generator, the output end of a fuel buffer tank, the output end of an additive buffer tank and the output end of a fly ash buffer tank; and the input end of the fuel buffer tank is connected with a fuel storage tank, the input end of the additive buffer tank is connected with an additive storage tank, the input end of the fly ash buffer tank is connected with a sealed storage tank used for storing fly ash in a centralized manner, and the flue gas treatment system is used for capturing secondary fly ash in flue gas and feeding the secondary fly ash into a melting system again. The problems that in the incineration fly ash high-temperature melting process, the treatment process is complex, fuel consumption is large, vitrification is not thorough, and economical efficiency is poor are solved.

Description

technical field [0001] The invention relates to the technical field of high-temperature fusion vitrification, and in particular to a system and method for centralized fly ash high-temperature fusion vitrification utilization. Background technique [0002] With the rapid development of the economy, urban waste is also increasing. As the calorific value of municipal solid waste increases year by year and the output continues to increase, many cities in my country have adopted the incineration method to deal with municipal solid waste. After domestic waste is incinerated, mineral elements and various harmful elements are concentrated in the incineration ash, and the content of toxic elements is 10 to 100 times higher than that of ordinary soil, and the waste incineration ash contains high concentrations of dioxins "National Hazardous Waste The Inventory has clearly stipulated that the fly ash of domestic waste incineration is hazardous waste, and the disposal of fly ash must b...

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Application Information

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IPC IPC(8): B09B3/00
CPCY02W30/20
Inventor 张亮王大伟史建波
Owner 武汉武锅能源工程有限公司
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