工廠房在通風管道的使用上有什么特點？

發布人：http://www.bnlfans.net   發布時間：2017-10-31 15:34:36

一、進氣短流問題：所謂進氣短流，指的是由進氣口進入廠房內的新鮮空氣，在沒有進入作業區范圍之前，就已經被加熱而上升天窗排氣口排出室外的現象。這樣的進氣，起不到改善作業區熱環境以及提高作業區空氣質量的作用。所以，為提高工業廠房的自然通風效果，一定要盡可能地避免這種進氣短流的現象。

A short, intake flow: the so-called short inlet flow, the inlet into the factory in the fresh air, before entering the scope of work area, has been heating up to the roof vent exhaust phenomenon. Such air intake can not improve the thermal environment in the work area and improve the air quality in the work area. Therefore, in order to improve the natural ventilation effect of industrial buildings, it is necessary to avoid the short flow phenomenon as far as possible.

二、通風天窗的飄雨問題：不良的口部設計常常造成通風排氣天窗嚴重飄雨的問題，給生產造成一定規模的損失。廠房自然通風設計，解決了廠房的通風排氣問題，卻帶來了飄雨的弊端，致使廠房內的作業區功能受到影響。所以，設計中需要針對性的進行解決。

Piaoyu problem two: ventilation skylight mouth often causes poor design of exhaust ventilation skylight Piaoyu, causing losses to the production scale. Design of natural ventilation, to solve the problem of building ventilation, but bring Piaoyu drawbacks, resulting in functional area within the plant affected. Therefore, the design needs to be targeted to solve.

現在一般常用的是矩形通風天窗,通常設計中采用，矩形通風天窗或在天窗水平口設擋雨片，或在天窗垂直口設擋雨板，其中在水平口設擋雨片的做法，不管在通風效果還是防飄雨效果，都較為理想，因此在工業廠房中得到了比較廣泛的應用。

It is usually used in rectangular ventilation skylight, usually used in the design of rectangular ventilation skylight or a rain guard at the roof level, or the rain on the roof vertical plate, wherein the rain flakes in the level of export, regardless of the effect of ventilation or anti Piaoyu effect are ideal, so it has been widely used in industrial plants.

三、進、排氣口的面積：廠房自然通風是利用廠房內外空氣的溫度差所形成的熱壓作用和室外空氣流動時產生的風壓作用，使廠房內外空氣不斷交換，形成自然通風。但由于風壓作用受自然條件限制，具有多變性，無風時即無風壓作用，所以不宜作為廠房自然通風的動力考慮。在廠房自然通風設計中，一定要合理協調進、排氣口面積，力求進氣口面積不小于排氣口面積，這應該是提高自然通風效果的極為重要和有效的技術措施。

Three, inlet and outlet area: building natural ventilation is the wind pressure generated pressure and outdoor air flow difference formed by inside and outside plant air temperature when the air inside and outside the plant, continuous exchange, natural ventilation. But the wind pressure is limited by natural conditions, and it is changeable and has no wind pressure when there is no wind, so it should not be considered as the motive force of the natural ventilation of the factory building. In the design of natural ventilation, must reasonable coordination between the inlet and outlet area to inlet area of not less than the exhaust port area, it should be very important and effective technical measures to improve the effect of natural ventilation.

此外，在廠房自然通風設計中，存在一個誤區，即一提到自然通風，就只是與熱車間有關的事情。因冷加工廠房內不散發余熱或者僅散發的熱量很小，使當前按熱壓作用進行自然通風設計工作失去了依據，所以也就很少有人考慮冷加工廠房的通風換氣問題。

In addition, there is a mistake in the natural ventilation design of the factory, that is to say, the natural ventilation is only related to the thermal workshop. Because of the cold processing plant is not only the heat or heat emission is very small, so that the current according to the pressing effect of natural ventilation design of the basis of lost, so there are few people to consider the ventilation of the cold processing plant.

雖然廠房內散發的生產余熱很小，然而，因為屋面輻射熱和通風換氣不良，會造成廠房內部污染氣體匯集，同時新風不能及時補充，會對作業區人員的工作效率造成嚴重影響。所以，對于南方地區及北方夏熱地區的冷加工廠房，除了一定要設置屋面隔熱層之外，設計上還要創造良好的通風換氣條件。

Although the production of waste heat emitted in the plant is very small, however, because the roof radiant heat and poor ventilation, will cause internal plant pollution gas collection, and fresh air can not be timely supplement of the work area, will seriously affect the work efficiency of personnel. Therefore, for the cold processing plants in the southern and Northern hot summer areas, besides the roof insulation layer, the design should also create good ventilation conditions.

有了上面的濟南通風管道小總結，希望對廣大客戶有所幫助，如果有什么不理解的或者尋求幫助的請點擊我們的網站：http://www.bnlfans.net/或者來電咨詢，我們會盡全力為您解決

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