热风炉

The dissertation put forward the function relation of economic velocity and anuual cost, calculating economic velocity with differential coefficient method.

本文提出的热风炉流体的经济流速是从设计的角度出发，计算出热风炉最经济的运行状况。

The concept and main characteristic of the ecotype and green hot stoves are put forward.

提出了生态热风炉与绿色热风炉的概念和主要特征。

The results of thermal balance calculation show that if the combustion air can be preheated to 600℃ by the self-preheating process and the gas can be preheated to 150℃ approximately by recovering waste heat of hot stoves flue gas, then the hot blast temperature of 1200℃ could be obtained. 4. The development of mathematical models on the heat transfer of chamber in hot blast stoves is briefly reviewed and the Hausen's mathematical model and its solution methods are mainly discussed.

对自身预热热风炉在一个工作周期内燃烧和传热过程的设计计算程序和应用公式进行了计算方法的研究，首次提出了一套新的热工计算方法，并以采用自身预热的大型高炉热风炉为例，进行了分析、比较和验证。

To solve this technology difficult problem, the course such as center of technology of plum steel company, ironworks experiment of more th......

为解决这个技术难题，梅钢公司技术中心、炼铁厂等经过。。。。。。关键词：热风炉基底技术难题热风炉，基底，材料

The objective is how to improve and maintain the flow-rate and temperature of the blast air to ensure efficient furnace operation.

如何保证热风炉产生持续高温是热风炉控制的目的。

The hot air furnace top is key position, it decides the hot air furnace type.

热风炉炉顶是热风炉的关键部位，决定热风炉型。

Based on the technology of exhaust gas recirculation, a new method for increasing thermal efficiency of a diesel hot air stove from a greenhouse was proposed.

针对目前使用的温室柴油热风炉存在的热利用率低和排放污染问题，提出了利用废气再循环技术来提高柴油热风炉热效率的方法，并研制出一种适用于温室内应用的全数字式智能监控柴油热风炉 EGR热交换设备，并阐明了其结构及工作原理。

In this paper, in view of the importance of heat exchanger of hot-blast stove, thermodynamic characteristics of heat exchanger system of hot-blast stove are expounded according to thermodynamic theories, and they are inlet flue gas temperature, outlet air temperature, structure and the scope of temperature efficiency and heat changing efficiency.

本文从热工理论出发，介绍了换热系统在热风炉中的重要地位。通过热风炉用换热系统与余热利用换热系统的对比，阐述了热风炉换热系统的热工特性，其中包括：入口烟气温度、出口空气温度、换热器的结构以及温度效率和换热效率的取值范围。

The author emphatically describes Quantum PLC based process control systems of the hot-blast stove body, Siemens S7-400 PLC (software configuring in PCS7 pattern) based hot-oil preheating control system of the hot-blast stove and the heat-exchanging electric control system of the hot-blast stove based on the mix- configured system of Siemens S7 and Siemens S5 series PLC, elaborates their system constitutions, software and hardware configurations, operational principles, main control functions and applicative effects.

摘 要：本文简介了邯钢7#高炉热风炉的工艺状况，重点描述了基于Quantum PLC的热风炉本体仪控系统、基于西门子S7-400PLC (PCS7)的热风炉热油预热控制系统和基于西门子S7与 S5系列PLC混合配置的热风炉换炉电控系统的构成、软硬件配置、工作原理、主要控制功能和应用效果。

The analyse method and conclusion to hot wind furnace economic velocity can afford some reference to the research of heat performance.

本文对热风炉流体经济流速的评价方法和推导结果，对于热风炉设计，热风炉的热工性能的研究提供了一定的参考，具有社会实用价值。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。