According to the demands of ball mill coal pulverized system, inverse matrix decoupling theory, a traditional decoupling method, is used in the system control, and a PID controller is designed.

本文首先根据中储式球磨机制粉系统对控制精度要求不高的特点，将传统解耦方法中的逆矩阵方法应用于制粉系统解耦中，设计了基于逆矩阵静态解耦的PID控制系统。

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Deflagating prevention in vertical coal mill system directly relates to safe and stable production of the whole line.

立式煤磨系统的防燃爆直接关系到全线的安全稳定生产。

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This paper briefly describes the present situation of sound insulation ways universally adopted in steel ball coal mill and the noise intensity released during operation.

简述目前钢球磨煤机普遍采用的隔声方式及其运行过程中释放噪声强度的现状。

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Daw Mill staff fear if UK Coal went into voluntary liquidation, workers could receive state payouts instead of enhanced benefits if they were not transferred over to a new company.

BBC: Daw Mill miners wait to hear about benefits

Last week UK Coal said it needed to shut Daw Mill Colliery because of a ferocious fire which showed no signs of stopping.

BBC: Minister promises to help Daw Mill miners

The future of the Daw Mill colliery in Warwickshire remains under threat despite major changes at mining company UK Coal.

BBC: Daw Mill mine in Warwickshire remains 'under threat'