他们用自动加煤机给炉子添煤。

They use mechanical stokers to feed coal into the furnace.

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介绍了一种造气炉自动加煤技术及技术改造实施过程，并对改造后的效益进行分析。

This article introduces an automatic coal filling technique for gas making furnace After modification, economic benefit is improved.

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在控制系统总体结构设计和硬件设计的基础上，详细论述了自动加煤和自动除灰的程序流程设计。

Based on the design of global structure and hardware of the control system, detailed program flow design of automatic coal stuffing and slag removing is presented.

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