螺旋通風(fēng)管道怎么在低溫環(huán)境中使用？

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熱脹冷縮關(guān)于風(fēng)管是有一定損傷的，今天小編來(lái)說(shuō)說(shuō)，在北方冰冷地域或者是進(jìn)入冬季，螺旋風(fēng)管應(yīng)該如何面對(duì)這一費(fèi)事。

Thermal expansion and cold contraction have certain damage to the air duct. Today, let's talk about how the spiral air duct should face this trouble in cold areas in the north or in winter.

關(guān)于保溫資料的選擇，要選擇保溫性能好的，保溫資料的規(guī)格應(yīng)契合風(fēng)管系統(tǒng)所運(yùn)用的，還應(yīng)當(dāng)契合風(fēng)管的設(shè)計(jì)請(qǐng)求，運(yùn)用的保溫資料要有合格證等質(zhì)量合格證件，以保證運(yùn)用時(shí)能有效的維護(hù)風(fēng)管，使其在冬天運(yùn)用時(shí)不易損壞。

First of all, for the selection of thermal insulation materials, the ones with good thermal insulation performance shall be selected. The specifications of thermal insulation materials shall conform to the application of air duct system and the design requirements of air duct. The applied thermal insulation materials shall have quality certificates such as certificate, so as to ensure that the air duct can be effectively maintained during operation and not easy to be damaged during operation in winter.

干凈風(fēng)管普通選擇難燃閉孔橡塑海綿保溫資料，排煙風(fēng)管普通采用不燃的鋁箔玻璃棉板。這兩種資料運(yùn)用比擬普遍，保溫性能比擬好。

Flame retardant closed cell rubber plastic sponge insulation material is generally selected for clean air duct, and non combustible aluminum foil glass wool board is generally used for smoke exhaust air duct. These two materials are widely used and have good thermal insulation performance.

其次運(yùn)用保溫資料包裹螺旋風(fēng)管時(shí)，切割時(shí)，下料要精確，切割面盡量要平齊，這樣粘接時(shí)才干確保粘接嚴(yán)密，切料時(shí)，要使程度垂直面搭接處以短面兩頭頂在大梁上。

Secondly, when the spiral air duct is wrapped with thermal insulation data, the blanking shall be accurate and the cutting surface shall be flush as far as possible, so as to ensure tight bonding during bonding. When cutting, the two ends of the short surface at the overlap of the vertical surface shall be pushed on the girder.

在用保溫資料包裹螺旋風(fēng)管前涂膠時(shí)，膠的厚度要平均，還有涂膠時(shí)不能有膠流淌，對(duì)保溫資料停止鋪覆時(shí)，這樣才干有效的保證粘接時(shí)粘接的粘接嚴(yán)密了。粘接的才不會(huì)有空鼓呈現(xiàn)，也不會(huì)有暴露在外面的風(fēng)管。

Finally, when applying glue before wrapping the spiral air duct with thermal insulation data, the thickness of the glue shall be average, and there shall be no glue flow when applying glue. When the thermal insulation data is stopped, it can effectively ensure that the central bonding during bonding is tight. There will be no hollowing in the center of the bonding, and there will be no exposed air duct.

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