Oil and solid fuel heating mechanics install and maintain oil, coal and wood heating systems in residential and commercial buildings.

油和固体燃料加热技工安装和维护住宅及商业楼宇的石油，煤炭和木材取暖系统。

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Based on analyzing of coal solid wastes such as refuse in heaps of Nantong Mining Corporation Ltd., this paper puts forward effective utilizing measure according to the property.

针对南桐矿业公司目前堆积在矸石山的煤矸石等煤炭固体废弃物进行取样分析，并根据其性质提出可有效利用的途经。

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The result shows that the viscosity is greatly increased while the solid coal powder distributed in the inside of slag and result in poor separation of molten iron and slag.

研究结果表明，未燃煤粉以固体质点形式分散在初渣内部时，使初渣粘度大大增加，渣铁熔体难以滴落；

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