Preheat

Numerical Simulation of Preheating Temperature Field of Immersed Nozzle;

浸入式水口预热温度场的数值模拟

Solving the ore-well freezing problem in Dongping gold mine by using a earth-heat preheating system;

东坪金矿利用地温预热解决竖井防冻的实践

Effect of green tire preheating on curing temperature field and curing state field;

用有限元法研究胎坯预热对硫化温度及硫化程度场的影响

Feasibility analysis on preheating winter incoming wind by using abandoned drift;

利用废旧巷道预热冬季入风流可行性分析

When the preheated pulverized coal is injected, its cooling effect on hot blast is alleviated and its combustion is accelerated,consequently its utilization ratio is increased.

煤粉预热喷吹有利于减轻喷煤对热风的冷却效应、加速煤粉的燃烧过程而提高煤粉利用率。

Phase-change behaviors of Henan bauxite in the course of digesfion pre-heating;

河南铝土矿在溶出预热过程中的相变行为

Design of large size direct-buried pre-heating piping crossing main street;

大管径直埋预热管道穿越道路设计方案

This paper presents briefly the principle,characteristic,and the application in the pre-heating of conductors during cable production of the induction heating by HF magnetic field.

本文简要介绍了高频磁场感应加热的原理、特点,以及在电缆制造中导体预热的应用,这可提高电缆产品的质量,减小电缆绝缘层的内应力,使绝缘与导体更良好的结合,从而延长了电缆的使用寿命,另外,还可改善绝缘的交联效果,提高生产线速度,从而提高生产效率。

Calculates the energy saving quantity of heat makeup and pre-heating,compares the results with those of self-supply hot source and municipal heat supply systems,providing references for operation conditio.

结合国家会议中心工程,介绍了利用空调冷却水作为生活热水补水预热,并作为高温热泵机组的低位热源,为生活热水提供热源的设计实例。

According to the research on the trial prototype,the parameter design of the device is completed by calculating the pre-heat load.

根据对冷冻试验设备的研究,计算预热负荷,实现对超低温冷冻治疗设备的参数规划和设计。

We analysed the elements and function of the IC part,explaind the power factor(PF) from L6561 and the warm-up and protect function from UBA2014 emphatically.

分析了电子镇流器芯片部分的原理和功能,重点解释了L6561电路部分的功率因数调节和UBA2014电路部分实现的预热和保护功能,给出并分析了实际电路原理图。

The key factors that caused crack of reactor container are: warm-up temperature too low before welding.

为了寻求裂纹产生的原因,检测了反应器筒体基层与复层材料的化学成分和力学性能;分析了反应器筒体的焊接工艺参数和焊后热处理工艺参数;计算了筒体材料的焊接冷裂纹敏感性指数;得出了导致反应器筒体焊缝开裂的主要因素是焊前预热温度偏低、焊后高温回火保温时间不足以及复合钢板过渡层焊接的复杂性;提出了可供类似设备制造参考的焊接和焊后热处理工艺参数。

This paper shows that the warm-up temperature during starting and over-speed test temperature of old units should be determined by the change (dFATT) in fracture appearance transition temperature of the rotor steel in order to avoid brittle failure of the rotor.

分析了长期服役汽轮机转子产生的材料脆化现象，提出了老机组的启动预热温度和超速试验温度应以转子的脆性转变温度变化量△FATT为依据进行制定，才能预防转子的脆性破坏，确保老机组的安全可靠运行。

To heat(an oven, for example) beforehand.

预热预先加热(如,火炉)

preheat and hot spot system

预热与局部加热系统

steam air heater

蒸汽加热式空气预热器

sealing regenerative-type air preheater

密封回热式空气预热器

recuperative air preheater

同流换热式空气预热器;蓄换热式空气预热器

Thermal Simulation Calculation of Underground Oil Pipeline at Starting

埋地热油管道预热启输传热仿真研究

ENERGY CONSERVATION CHARACTERISTIC OF PCM HEAT-PUMP WATER HEATER

相变储热预热式热泵热水器节能特性分析

preheat train of distillation unit

蒸馏装置的预热系统

borosilicate glass tube air preheater

硼硅玻璃管空气预热器

Wiring Connection at Glow Plug

在预热塞的电线连接

preheat and rapid start fluorescent lamp

预热快速起动荧光灯

Typical Glow Plug Tester

典型的预热塞测试装置

Rothemuhle regenerative air preheater

风罩再生式空气预热器

engine start preheating switch

发动机预热起动开关

rotary regenerative heat exchanger

回转式再生式预热器

wagon-wheel heater

轮式管口焊前预热器

jacketed-pipe high-pressure steam preheater

高压蒸汽套管预热器

drum for air preheaters

圆筒,空气预热器用