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　　不銹鋼風(fēng)管通風(fēng)管道常見故障檢修透風(fēng)嚴(yán)重，能源消耗。關(guān)鍵危害：整個(gè)系統(tǒng)風(fēng)量損害過大，沒法做到風(fēng)量要求，并導(dǎo)致能源嚴(yán)重消耗。很有可能的緣故：咬口縫和法蘭插條接縫處及孔眼縫隙處未用密封膏封嚴(yán);管片開料咬口留量超過規(guī)范要求等。山東通風(fēng)管道常見故障檢修磚構(gòu)造風(fēng)道與金屬風(fēng)管連接處未設(shè)埋件或密封縫隙過大或連接處不嚴(yán)密。

Common malfunctions of stainless steel air ducts and ventilation ducts require severe ventilation and energy consumption. Key hazard: The air volume of the entire system is damaged too much, unable to meet the air volume requirements, and leading to serious energy consumption. It is highly likely that the sealing paste was not used to seal the bite joint, flange insertion joint, and hole gap; The biting allowance of the pipe segment exceeds the standard requirements. Common troubleshooting of ventilation ducts in Shandong: The connection between the brick structure air duct and the metal air duct is not equipped with embedded parts, or the sealing gap is too large or the connection is not tight.

　　應(yīng)對(duì)措施：高壓風(fēng)管山東通風(fēng)管道可選用按鈕式咬口;髙壓風(fēng)管或清潔系統(tǒng)風(fēng)管四角處運(yùn)用拐角咬口縫或協(xié)同角咬口。不銹鋼風(fēng)管咬口縫、無法蘭插條接縫處及孔眼縫隙處，都須用密封膏封嚴(yán)，不可透風(fēng)。施工中按要求在磚、構(gòu)造風(fēng)道與金屬風(fēng)道連接處設(shè)定埋件，或要求土建企業(yè)配合開展堵封， 山東通風(fēng)管道連接嚴(yán)密。

Response measures: High pressure air duct Shandong ventilation duct can choose button type bite; Use corner bite seams or synergistic corner bite seams at the corners of high-pressure air ducts or cleaning system air ducts. Stainless steel air ducts must be sealed tightly with sealing paste at the biting seam, non flange insertion strip seam, and hole gap, and must not be ventilated. During construction, embedded parts should be installed at the connection between bricks, structural air ducts, and metal air ducts as required, or civil engineering companies should cooperate to carry out sealing. The ventilation pipes in Shandong should be tightly connected.

　　金屬極氣體保護(hù)焊

Metal electrode gas shielded welding

　　它屬于氣體保護(hù)焊，也是一種電弧焊，是在維護(hù)氣體下，焊絲被電弧溶化。金屬極氣體保護(hù)焊可用以鋼、非碳素鋼、低合金鋼及其高合金等這種材料，應(yīng)用很普遍。但有一點(diǎn)，通風(fēng)管道它的維護(hù)氣體務(wù)必為活性氣體，例如二氧化碳或是混和氣體等。的缺陷是假如在戶外開展焊接，那麼工件不能受潮，不然會(huì)危害維護(hù)氣體的維護(hù)效果。

It belongs to gas shielded welding and is also a type of arc welding, where the welding wire is melted by the arc under maintenance gas. Metal electrode gas shielded welding can be used for materials such as steel, non carbon steel, low alloy steel, and their high alloys, and is widely used. But one thing is that the maintenance gas for ventilation ducts must be active gases, such as carbon dioxide or mixed gases. The flaw is that if welding is carried out outdoors, the workpiece cannot be damp, otherwise it will endanger the maintenance effect of the gas.

　　鎢極惰性氣體保護(hù)焊

Tungsten inert gas shielded welding

　　電弧是在鎢電焊絲和工件中間造成，不銹鋼風(fēng)管通風(fēng)管道常見故障檢修焊接要求維護(hù)氣體為純氬氣，且焊條不是帶電的，所以既能夠手動(dòng)送入，也可以設(shè)備送入，有時(shí)也可以不送入。

The arc is caused between the tungsten welding wire and the workpiece. Common faults in stainless steel air ducts and ventilation ducts require maintenance gas to be pure argon, and the welding rod is not charged. Therefore, it can be manually fed, equipment fed, or sometimes not fed.

　　導(dǎo)熱系數(shù)小

Low thermal conductivity

　　保溫材料導(dǎo)熱系數(shù)均在，風(fēng)管槽型法蘭、卡條選用塑鋼型材，鋁合金、塑鋼復(fù)合的型材，其風(fēng)道無熱橋，無結(jié)露。

The thermal conductivity of insulation materials is all within the range of. The groove type flange and clamp of the air duct are made of plastic steel profiles, and the aluminum alloy and plastic steel composite profiles are used. The air duct has no thermal bridge and no condensation.

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