制粉

This paper pointed out existing major problems of measurement, control and optimization of bin feeder and direct ball mill pulverizing system.

钢球磨煤机是目前我国火电厂制粉系统中使用最多的磨煤设备，且广泛应用于其他行业。

Ball mill is the key facility of the system.

球磨机是该制粉系统中的关键设备。

So the research of ball mill control system not only has theoretical value but also will get economical profit.

因此，对球磨机制粉系统自动控制的研究不仅具有理论价值而且将会带来很好的经济效益。

The measurement and control of mass level is the key that ensure the economy and security of the ball mill operation.

磨煤机的料位测量和控制是保证制粉系统安全性和经济性的关键。

The article highlighted furnace cold dynamical test, the steady pressure pipe blowing ,.

重点介绍了锅炉冷态动力场试验、蒸汽稳压吹管、制粉系统调试、燃烧特性等试运的情况，以及设备存在的主要问题和改进建议。

Give some analysis on the characteristic of ball mill coal pulverized system

分析中储式钢球磨制粉系统的运行特点

The controlled variables of ball milling are the negative pressure in the input, the temperature in the output and the given coal storage of the ball mill.

球磨机制粉系统的控制量为存煤量、出口温度和入口负压。

Ball mill coal pulverizing system of pelletizing plant is a complex nonlinear multivariable process with strongly coupling and time-delay,and its operation often varies significantly. The automatic control of such a system is a research focus in the process control area.

球团厂钢球磨煤制粉系统是多变量强耦合、时滞、非线性以及生产工况变化大的复杂对象，其自动控制问题一直是控制界关注的热点。

Pulverized coal milling system ; ball mills ; modeling ; decoupling cont rol ; fuzzy control ; neural network ; predictive control ; adaptive optimization

制粉系统；钢球磨煤机；建模；解耦控制；模糊控制；神经网络；预测控制；自适应优化

During this research, detail test and analysis proved that vibration signal of ball mill can represent coal level of the ball mill and steel balls distribution. The test result could help to resolve a main problem of ball mill load measurement. The intelligent scheme for pulverizing system which was based on multi-sensors fusion technique as well as the intelligent control method was given in the thesis.

本文通过大量的分析研究和现场试验，通过对球磨机振动信号进行频谱分析，监测磨筒存煤量和钢球球径分布情况，初步解决了球磨机测控中一个关键问题；在此基础上，采用软测量、多传感器信息融合技术，引入神经网络模型等方法，并考虑与电厂DCS和计算机信息系统的连接，对智能化球磨机制粉系统进行了总体设计，在技术上有所创新。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。