查询词典 preheating

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。

Tempilstick should be used at distance above 75mm from a welding seam to check the temperature about preheating and interlays.

预热和层间温度都应用测温笔在离开焊缝不小于75mm 的地方进行检查。

This topic research initially summarized set of weldings crafts, including the preheating temperature determination, the low intensity match feasibility, the welding speed selection as well as the line energy indeed grades, these research techniques and the method may directly use in the production practice.

初步总结了一套焊接工艺，包括预热温度的确定、低强度匹配的可行性、焊接速度的选取以及线能量的确定等，这些研究方法与手段可以直接用于生产实践。

Controlling the preheating temperature for fuel oil of heat Medium heater is a key to increase the efficiency and stable operation of heater,also a way to save energy and reduce loss.

对热媒炉燃料油预热温度的控制是热媒炉提高炉效、稳定运行的关键，也是节能降耗的有效途径。

Putting the contaminated scrap into the bath directly without preheating and pyrolysing will increase the metal loss by oxidation, because the contaminants are containing oxygen, which will react with liquid aluminium immediately.

将含杂质的废铝在未经预热和热分解的情况下直接加入到熔池中会增加金属的氧化损失。因为杂质中含氧，直接加入到铝液中，会立刻与铝液发生反应。

Mainly producing all kinds of electric heaters, electric equipment, electric heating devices, bronze cast aluminum heaters, electric heating tubes, submerged electric heating ceramic tile, ceramic electric heater, stainless steel electric heating coil mica, silicon carbide Yuanhong foreign heating panels, aluminum alloy Zhuang Salisbury High Voltage Switchboard DJR electric heating plate, electric oven, preheat oven components, hot air circulation box-type preheating furnace, oven insulation, band, agent deployment chutes, tanks and so on.

主要生产各种、电加热器、电热设备、电加热装置、铸铝铸铜加热器、电加热管、埋入式陶瓷电加热瓦、陶瓷电加热器、不锈钢云母电加热圈、碳化硅远红外电加热板、高壓開關柜DJR梳壯鋁合金電加熱板、电加热炉、组件预热炉、热风循环箱式预热炉、保温烘箱、电热带、油剂调配槽、储罐等。

Theory structure is presented in this paper about press plate wood vacuum dryer, and model of theoretical preheating time is built related to wood vacuum drying technology.

本文对压板式木材真空干燥机进行了结构介绍，以模型的形式确立了木材真空干燥工艺的理论预热时间，并以ZKY-01型箱式木材真空干燥机为试验仪器，采用波动压力方法对柞木和柯木进行真空干燥工艺试验。

Sliding knobs at the left side of the press with steel scale in mm to set the opening distance of the platens during preheating and venting.

压机左侧有滑动旋钮，上面带有精确到毫米的钢刻度，可用于设定压台在预热和排气时打开的距离。

The processes of preheating and welding of super scale penstocks were detailed.

本文详细叙述了巨型压力钢管的预热装配和焊接过程。

The model aims at minimum annual cost (including operating cost and equipment depreciation cost) of whole evaporation system (including two sequential system——multi-evaporation system and multi-level preheating system). The tempreture of flesh vapor, the tempreture of condenser, effective heat-transfer temperature difference of vari-effect, and outlet solution temperature of vari-level preheater were both decision variables.

优化设计数学模型以整个蒸发系统(包括多效蒸发和多级预热两个序贯系统)的年总费用(包括系统年操作费用和设备年折旧费用)最小为优化目标，以生蒸汽温度T0、冷凝器中二次蒸汽温度Tk、各效蒸发器有效传热温度差Δti及各级预热器溶液出口温度tpj为决策变量。

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。