不銹鋼風管工程的排風系統(tǒng)的組成要注意什么？

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1、排氣罩

1. Exhaust hood

排氣罩用于捕獲有害物質。其功用直接影響到部分排氣系統(tǒng)的經濟指標。部分抽氣罩具有良好的功用，如關閉的罩，可以獲得較小的風量。由于出產設備和工作辦法的不同，排氣罩的方式多種多樣。

The exhaust hood is used to capture harmful substances. Its function directly affects the economic indicators of some exhaust systems. Some exhaust hoods have good functions, such as closing the hood to obtain a smaller air volume. Due to differences in production equipment and working methods, there are various ways of exhaust hood.

2、風管

2. Air duct

通風系統(tǒng)中運送氣體的不銹鋼風管，它銜接系統(tǒng)中的不同設備或部件。為了添加系統(tǒng)的經濟性，應合理選擇風管內的氣體流速，管道應短而直。風管一般由光滑的表面材料制成，例如薄鋼板、PVC板，有時還有混凝土、磚和其他材料。

A stainless steel air duct that carries gas in a ventilation system and connects different equipment or components in the system. In order to increase the economy of the system, the gas flow rate in the air duct should be reasonably selected, and the duct should be short and straight. Air ducts are generally made of smooth surface materials, such as steel sheets, PVC sheets, and sometimes concrete, bricks, and other materials.

3、除塵凈化設備

3. Dust removal and purification equipment

為了不讓空氣污染，當從空氣中排出的有害物質逾越排放標準時，要運用凈化設備來處理。清洗設備分為兩類：除塵器和有害氣體凈化設備。

In order to prevent air pollution, when harmful substances discharged from the air exceed emission standards, purification equipment should be used to treat them. Cleaning equipment is divided into two categories: dust collectors and harmful gas purification equipment.

4、風機

4. Fan

風機的功率捉氣流到機械排氣系統(tǒng)。以免風機磨損和腐蝕，一般將其置于凈化設備后邊。

The power of the fan captures the airflow into the mechanical exhaust system. To avoid abrasion and corrosion of the fan, it is generally placed behind the purification equipment.

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