The innovation and effect analysis of slack coal separation system technology was introduced in Fangezhuang Coal Mine Co.

介绍了范各庄矿业分公司选煤厂末煤分选系统技术改造及效果分析，提出了在改造过程中应注意的问题。

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At present, horizontal vibrating centrifuge and vertical scraping centrifuge are usually used for common centrifuge of slack coal in coal preparation plant.

目前卧式振动离心机和立式刮刀离心机是选煤厂常用的末煤离心脱水机。

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The innovation and effect analysis of slack coal separation system technology was introduced in Fangezhuang Coal Mine Co. branch, and some questions in the innovation were suggested.

介绍了范各庄矿业分公司选煤厂末煤分选系统技术改造及效果分析，提出了在改造过程中应注意的问题。

youdao

Renewable energy remains too expensive, too land-hungry, too unreliable and too small-scale to take up much slack, so cheap coal and newly abundant natural gas will do the job.

WSJ: After Japan's Earthquake and Fukushima Disaster, Matt Ridley on Gas-Fired Generation and Thorium | Mind & Matter

Natural gas, which emits 45% less carbon dioxide than coal, would take up most of the slack.

FORBES: OutFront