Calcium carbide residue was a side-product produced in the process of acetylene with calcium carbide.

电石渣是电石溶解生产乙炔过程中的副产物，主要用于烟气脱硫和水泥制造。

youdao

In order to coordinate the smooth implementation of dry acetylene process, it is necessary to traditional wet process calcium carbide crushing process improvement.

为了配合干法乙炔工艺的顺利实施，必须对传统的湿法工艺中电石的破碎工艺进行改进。

youdao

This paper introduced the principle, the process and the effect of the new technology of restoring the deformed brake plate of hoist by use of "oxygen acetylene flame".

介绍了变形严重的提升机闸盘采用“氧-乙炔焰”加热矫正的原理、工艺程序及其效益。

youdao