Displacement ventilation. In displacement ventilation systems, fresh air is delivered at a very low speed (o.03 - o.59t/s) at the bottom of the room, with a temperature difference of only between 2 - 4Y.

　　廚房排煙管道安裝、煤氣與天然氣管道的改造需要慎重。這兩種管道因受房屋結構的限制，一般不讓隨意改動。如果不得不改時，必須經過物業公司的同意。改動時，由于性較強，同時也方便日后的維修。

　　Kitchen smoke pipe installation, gas and gas pipeline renovation needs to be careful. The two pipes are limited by the structure of the house and are generally not allowed to change at will. If you have to change, you must go through the consent of the property company. When changes due to the professional ability, but also facilitate the day after maintenance.

　　從建筑結構設計來看，排煙管道工程由于有主、副煙道之分是不能隨意橫向改動的，否則會影響排煙并有倒灌的可能， 而為了美觀將煙道口上下移動則不會有不良影響。

　　From the point of view of building structure design, exhaust pipeline engineering because of the main and auxiliary points are not random horizontal flue changes, otherwise it will affect the smoke and flooding may, in order to beautiful will have a bad effect on mobile will not export flue.

　　如果排煙管道安裝的煙機是西式煙機(多為金字塔型)一般煙道的走向為垂直向上，外加不銹鋼煙道裝飾板，煙道口可改入吊頂內，如果是中式煙機由于煙道導管外一般無裝飾板，則煙道口需改在吊頂下適當位置，以便煙道導管經裝飾板或從煙機吊柜內同煙機連接。

　　If the exhaust pipe is installed hood hood (mostly Western Pyramid) to the vertical flue, flue and stainless steel decorative plate, the flue mouth can change into the ceiling, if it is because of Chinese style cigarette flue ducts outside the general decoration board, is the need to change the proper position of flue opening in the ceiling, so that flue catheter decorative plate or from the hood cabinet with hood connection.

　　送入的新鮮空氣因密度大而像水一樣彌漫整個房間的底部，熱源引起的熱對流氣流使室內產生垂直的溫度禪度，氣流緩慢上升，脫離工作區，將余熱和污染物推向房間頂部，后由設在頂棚上或房間頂部的排風口直接排出。

　　Into the fresh air because of high density and like water filled the whole room at the bottom of the heat caused by heat to produce indoor vertical temperature of air flow of Zen, slowly rising, out of the work area, the waste heat and pollutants to the top of the room, by the end of the air outlet in the roof or room at the top of the direct discharge.

　　室內空氣近似活塞狀流動。使污染物隨空氣流動從房間頂部排出，工作區基本處于送入空氣中，即工作區污染物濃度約等于送人空氣的濃度，這是置換通風與傳統的稀釋通風的大區別。

　　The indoor air is approximately piston like. The pollutants in the air flow from the top of the room work area is discharged into the air, the concentration of pollutants concentration of work area is approximately equal to give air, this is the biggest difference with the traditional full dilution ventilation ventilation.

　　山東通風管道加工http://www.pvcbox.cn/以可靠的質量，的服務，合理的贏得了新老客戶的信賴。在充滿挑戰和機遇的世紀里，我們將銳意進取，契而不舍地追求精益求精的品質和善美的服務。

　　Shandong ventilation pipe processing http://www.pvcbox.cn/ to reliable quality, perfect service, reasonable price, won the trust of new and old customers. In the full of challenges and opportunities of the century, we will forge ahead, never give up the pursuit of excellence in quality and service It's perfection itself.

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