air draft

A heat recovery system, utilizing the hot air from the draft fan at the first zone of a draft strand cooler for ignition, heat preservation and sintering is introduced.

本文介绍一个用抽风带冷机第一段的热风进行点火、保温和烧结的余热利用系统。

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The ventilation duct caliber has to the embankment temperature field affects greatly, the caliber is bigger, the air draft convection effect is more obvious, to protects the frozen earth embankment to be more advantageous;

通风管管径对路基温度场有较大影响，管径越大，空气通风对流效果越明显，对保护冻土路基越有利；

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Brief Analysis on Test of Reversing Air Current with Mine Air Draft

矿井利用风道反风试验浅析

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Heating pipe type air preheater was used in the heating furnace and the frequency modulation technique was employed in the induced draft fan and the air blower, which increased the heat furnace efficiency by 7.2%.

加热炉改用无机热管式空气预热器，引风机、鼓风机改用变频技术，使加热炉热效率提高7.2个百分点；

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No local influence of sun shine, or air draft, and no any vibrations.

机床局部无太阳照射影响，无风吹，周围无任何振动。

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What is your draft and what is your air draft?

你船的吃水和连桅高度是多少？

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May also act according to requests Canada to suppose the ventilator, the heat gun, the air conditioner forced draft fan, the air-conditioner, the excess load display, the intercom and so on.

还可根据要求加设风扇、热风器、冷风机、空调器、超负荷指示器、对讲机等。

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Numerical model for balanced draft air and gas system for circulating double fluidized bed is established and simulative study on the dynamic characteristics of air gas system is made.

建立了循环双流化床锅炉平衡通风风烟系统的数学模型，并对风烟系统的动态特性作了仿真研究。

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the invention discloses a unilateral air draft process of kiln process chain grate preheating section for making oxidized pellet.

本发明公开了生产氧化球团矿链篦机――回转窑法链篦机预热段的单边抽风工艺。

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The result indicated that grass and crop rotation improves aperture condition of soil, to improve the condition of much air draft and drought and sand, because of abstract ability of keeping water on the chernozem of bad water erosion and wind erosion.

结果表明：在水蚀和风蚀严重的岗平地黑土上实行草田轮作，有利于改善土壤的孔隙状况，从而改善岗平地黑土的通气有余、持水不足、易于干旱和沙化的状况。

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The Parameter of Air Blower and Draft Fan of Boiler Should be Reasonably Determined

锅炉送、引风机的参数应合理确定

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Experimental Research of the Tapered T Branch With Air Draft

锥形抽气三通试验研究

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The tapered Wye branch& a new oxygenation equipment with air draft

一种新型的抽气充氧设备&锥形三通

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