查询词典 grate

As the chain grate was working under the periodic high temperature environment,so the reliability design is required.

链篦机关键零部件在周期变化的高温环境下工作，对设计的可靠性要求很高。

The practice of the chain grate stoker boiler laminated combustion improvement;2. Laminated combustion technique is adopted.

经过理论分析和比较，通过改进减温系统工艺，采用分层燃烧等技术改造措施，提高了锅炉热效率，增加了锅炉产汽量。

In addition to these, a system identification computer program for the chain grate stoker was developed as well. After that, the system identification techniques based on PRBS and program was applied to an industrial-scale boiler. Practice shows that this method is easy and feasible. It could provide the theory model for the design and upgrading of the boiler's control system.

结合某20t/h链条工业锅炉的现场试验数据，利用该方法及其对应的程序对锅炉动态特性进行了建模，经验证，该辨识模型具有较高的可信度，可为锅炉控制系统设计和优化升级提供相应的理论基础和科学依据。

This technology can improve greatly the current situation of chain grate boiler running in a poor adaptability for various coal kind and lower thermal efficiency.

但是，链条炉对煤种的适应性较差，当煤种改变时，链条炉的燃烧效率和锅炉出力常常会大幅度下降。

The calculation results are agreement well with the experimental data in the two units of 20t/h chain grate boiler retrofitted.

该计算方法在两台20t／h链条锅炉改造设计中的应用表明，运行参数与计算值接近。

The dynamic modeling for chain grate stoker based on PRBS had been studied intensively in the paper, including how to select the parameters of PRBS signal, the way of pre-processing data, the detailed modeling method and validation of the model.

着重讨论了PRBS信号参数的确定、数据的预处理，基于最小二乘的建模方法及模型的验证；以此为基础，还用MATLAB高级语言编写和开发了相应的辨识程序。

To maintain a high working performance in chain grate stoker, effective automatic control systems are needed. The design and implementation of effective automatic control systems requires the availability of mathematical models that may adequately describe their dy-namic behaviour.

有效的控制策略是提高工业锅炉运行经济性的重要保证，但是，控制系统的设计和优化升级都需要有合适的数学模型作为指导，对基于伪随机信号的工业锅炉动态特性辨识建模进行了比较深入的研究。

In the recent 30 years, chain grate boilers have always been dominating the industrial boilers of our nation and meantime the rational furnace arch configurations play an important role to insure the boilers operating reliably and efficiently.

近三十多年来，链条炉排锅炉在国内工业锅炉产品中一直处于主导地位，而合理的炉拱结构对于保证锅炉可靠高效燃烧具有极其重要的作用。

Presents a kind of modeling for chain grate stoker based on step signal input.

以20 t/h链条炉排工业锅炉为对象，采用阶跃响应法获取现场试验数据，再通过阶跃响应曲线求出锅炉对象的传递函数。

Chain grate stoker ; step response ; curve fitting ; dynamic performance

链条锅炉；阶跃响应；曲线拟合；动态特性

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。