空氣預(yù)熱器

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空氣預(yù)熱器

所屬分類(lèi)：壓力容器
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發(fā)布日期：2017/02/13
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詳細(xì)介紹

空氣預(yù)熱器

　　就是利用鍋爐尾部煙道中的煙氣通過(guò)內(nèi)部的散熱片將進(jìn)入鍋爐前的空氣預(yù)熱到一定溫度的受熱面。用于提高鍋爐的熱交換性能，降低能量消耗。一般簡(jiǎn)稱(chēng)為空預(yù)器。多用于燃煤鍋爐。在鍋爐中的應(yīng)用一般為三分倉(cāng)式。使用時(shí)空預(yù)器緩慢旋轉(zhuǎn)，煙氣入口和空氣入口不變。煙氣進(jìn)入空預(yù)器的煙氣側(cè)后排出，吸收了煙氣熱量的散熱片在空預(yù)器的旋轉(zhuǎn)下來(lái)到空氣側(cè)，將熱量傳遞給空氣。附帶系統(tǒng)主要有火災(zāi)報(bào)警（熱點(diǎn)探測(cè)）、間隙調(diào)整、變頻控制。

Air preheater

Is the use of flue gas boiler flue through the tail fin will enter inside the boiler air preheated to a certain temperature before heating surface. To improve the heat exchange performance of the boiler, reducing the energy consumption. Generally referred to as the air preheater. Used for coal-fired boilers. Applications in the boiler is generally trisector style. Using space-time pre-heater slowly rotating, gas inlet and an air inlet unchanged. Flue gas into the air pre-heater flue gas lateral discharged flue gas heat absorbing fins rotating air pre-heater down to the air side, the heat transfer to the air. With the main fire alarm system (hot spot detection), gap adjustment, frequency control.