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Tar has high viscosity and high ash content; from which aspects should efforts be made to address this issue?
By adding a tar-ammonia separation agent to the tar-ammonia separation system, the separation of tar, ammonia water, and tar residue is accelerated, which can reduce the moisture content in the tar, as well as the toluene-insoluble substances and ash content.
To address the issues of high tar viscosity and high ash content, measures can be taken from the following aspects: 1. Optimize coal selection: Using coal with low ash content and low volatile matter as raw material can reduce the formation of tar and ash. 2. Optimize the combustion process: Use appropriate combustion processes and furnace structures to improve combustion efficiency and reduce the formation of tar and ash. 3. Control of the combustion process: By adjusting combustion parameters such as air volume and feed rate, the temperature and atmosphere during combustion can be controlled, thereby reducing tar viscosity and ash formation. 4. Additive adjustment: The use of appropriate additives, such as combustion promoters and carbon deposit inhibitors, can improve combustion conditions and reduce the viscosity of tar as well as the content of ash. 5. Regularly clean the furnace: Regularly clean the furnace to remove carbon deposits and ash, thereby maintaining the proper condition of the combustion equipment and preventing the accumulation of tar viscosity and ash. The above are some methods for dealing with high tar viscosity and high ash content; specific choices and adjustments can be made based on actual conditions and requirements. .