本文通过工程改造实例，详细介绍炼铁高炉冲渣水系统变频技术改造的情况。

Combining with the engineering example, the transformation of frequency conversion technology of cooling water for blast furnace slag is introduced in detail.

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介绍了上海焦化有限公司德士古煤气化装置渣水系统的运行状况，对出现的主要问题进行了探讨。

This paper reports the running conditions of the slag - water system of Texaco coal gasification unit at the Shanghai Coking and Chemical co., Ltd., and study of problems.

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