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When choosing fume purification facilities and smoke exhaust facilities in hotel kitchens, priority should be given to the size of smoke exhaust equipment. After determining the size of smoke exhaust equipment, choose the size of fume purifier equipment. Generally, the air volume of the oil fume purifier should be greater than 20% of the air volume of the fan.

具體到排煙風機的選型，需要根據煙罩的大小，爐灶數量，總管道長度，彎頭數量；排煙管路中其他設備阻力等參數選擇。

Specific to the selection of smoke exhaust fan, it needs to be based on the size of smoke hood, the number of stoves, the length of total pipe, and the number of elbows; Selection of parameters such as resistance of other equipment in smoke exhaust pipeline.

酒店商用廚房抽排油煙通風系統設計原則和劃分要與客戶的投資方向、投資預算、能源效率、能源消耗、運行費用、生產流程等結合起來，

The design principles and division of smoke extraction and exhaust ventilation system in commercial kitchens of hotels should be combined with the investment direction, investment budget, energy efficiency, energy consumption, operating costs, production processes, etc,

排風量的確定和風速設計原則由兩部分組成:局部排風量和全面排風量。局部排風量應根據選用的灶具等設備種類、數量以及抽排煙的型式等加以確定，即根據爐灶等設備的平面布置圖,煙草種類,抽油煙離心風機的除油煙方式及設備產生風機性能的強度等因素進行確定。

The determination of exhaust air volume and the principle of wind speed design are composed of two parts: local exhaust air volume and overall exhaust air volume. The local exhaust air volume shall be determined according to the type and quantity of the selected stove and other equipment, as well as the type of smoke extraction, that is, according to the plane layout of the stove and other equipment, the type of tobacco, the way of removing oil smoke of the oil smoke centrifugal fan and the intensity of the fan performance generated by the equipment.

酒店廚房通風排煙系統在安裝時，也需要注意：要減少彎頭，盡量做到短路線排放，要裝防火閥避免火災隱患；管道過長時要做好支架的固定，避免出現脫落；風機和凈化器盡量保持在一個水平位置上；連接件一定要密封。

When installing the ventilation and smoke exhaust system in the hotel kitchen, we also need to pay attention to: reduce elbows, try to discharge in a short route, and install fire dampers to avoid potential fire hazards; When the pipeline is too long, the support shall be fixed to avoid falling off; The fan and purifier shall be kept in a horizontal position as far as possible; Connections must be sealed.

另外，廚房排煙風機凈化器安裝在室內的時候，一定要預留好后期檢修的空間。后期要定期做好管道的清理，避免發生安全隱患。

In addition, when the kitchen exhaust fan purifier is installed indoors, the space for later maintenance must be reserved. In the later stage, the pipeline should be cleaned regularly to avoid potential safety hazards.

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