Desulfurization and Denitrification Tower

The following is an overview of the working principle of a waste incinerator: Pretreatment: The waste is first put into the furnace of the incinerator through specific equipment.

Before entering the furnace, the waste may undergo a pretreatment process of classification, screening and preheating to improve the incineration efficiency and reduce the negative impact on the environment. ‌

Incineration process: The pretreated waste is burned at high temperature in the furnace. During the combustion process, the combustible components in the waste react with oxygen in the air at high temperature to produce heat and exhaust gas.

This process is usually carried out at a high temperature of 850 to 1100 degrees Celsius to ensure that the waste can be fully burned and reduce the generation of unburned substances. ‌

 

 

Feed pretreatment:

crush, sort and remove garbage to improve combustion efficiency;

Drying stage:

high temperature in the furnace evaporates the moisture in the garbage;

Combustion stage:

combustible materials are oxidized violently to release heat energy;

Ashing stage:

remaining residues are converted into slag;

 
A complete garbage incineration treatment system mainly includes:

Feeding system:

garbage receiving, storage and transportation equipment;

Incinerator body:

main combustion chamber, auxiliary burner, grate system;

Flue gas treatment system:

quenching tower, dry/wet deacidification, bag filter, activated carbon adsorption device;

Waste heat utilization system:

boiler, steam turbine, used for power generation or heating;

Automatic control system:

temperature, pressure, oxygen content monitoring and intelligent control;

Emission monitoring system:

real-time online monitoring of particulate matter, NOx, SO₂, dioxins, etc. in flue gas.

With the improvement of environmental protection standards and the promotion of garbage classification, Jimeng's waste incineration technology is also developing in the following directions:

Low emission:

using activated carbon adsorption, SCR denitrification, dioxin control and other means to meet stricter emission standards;

High energy efficiency:

waste heat recovery efficiency is improved, and the incineration power generation efficiency can reach more than 25%;

Intelligent management:

Introduce AI algorithms, remote operation and maintenance, and big data monitoring to improve operating efficiency;

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