甲烷控制碳势的研究

 从炉气的非平衡角度,研究了常用渗剂的热分解特性,炉气各组分与碳势间相互关系等。试验表明:碳势和甲烷含量间有密切的线性关系,甲烷作为控制参数是可行的,而且乙酸乙酯最好采用甲烷参数控制。当以甲醇和乙酸乙酯为渗剂,甲烷参数自动控制时,碳势的控制精度及重现性均可达到较高水平,其碳势控制精度小于±0.03％。

STUDY ON METHANE-CONTROLLED CARBON-POTENTIAL

The thermal decomposition characteristics of common carburants and the dependence of the carbon-potential on the furnace atomsphere constituents from an unballanced angle of furnace atomsphere habe been studied. The test results show an existence of a close linear relation between the methane contents and the carbon-potential and the feasibility to use methane as a control parameter. Moreover, it is recommendable to use the methane parameter to control ethyl acetate. When methanol and ethyl acetate are used to be carburants and methane parameter is controlled automatically. the carbon-potential control precision and its repeatability are able to reach a higher level, where the precision≤ ± 0.03%. A new point concerning the reaction during methane-used carburization has been brought in on the basis of dynamic tests and their analysis.