1、山東通風(fēng)管道加工的時(shí)候，不能在通風(fēng)管道內(nèi)部設(shè)置加固框或者加固筋，因?yàn)檫@樣對(duì)于通風(fēng)管道的質(zhì)量會(huì)造成一定的影響。

　　1, ventilation pipe processing, can not be installed inside the ventilation pipe reinforcement box or reinforcement, because this will affect the quality of the ventilation pipe.

　　2、通風(fēng)管道加工的過(guò)程中應(yīng)該盡量避免出現(xiàn)縱向接縫，但是不能出現(xiàn)橫向接縫。而且通風(fēng)管道的咬口縫和四角的縫隙處，需要按照設(shè)計(jì)潔凈等級(jí)要求，然后還要采用密封膠將其堵嚴(yán)。另外通風(fēng)管道板材的連接縫的密封面應(yīng)該設(shè)在通風(fēng)管道壁的正壓側(cè)。

　　2, ventilation pipe processing process should try to avoid longitudinal seam, but must not appear transverse seam. And the ventilation pipe of the mouth and four corners of the gap, according to the design of clean grade requirements, and then use sealant to plug it. In addition, the sealing surface of the joint of the ventilation pipe plate shall be located on the positive pressure side of the ventilation pipe wall.

　　3、如果是彩色涂層鋼板通風(fēng)管道的話(huà)，應(yīng)該保持內(nèi)壁是光滑的，卷焊管材壁厚≥ 6mm應(yīng)在下料時(shí)，打好坡口，用坡口機(jī)加工坡口。

　　3, if the color coated steel plate ventilation pipeline, should keep the inner wall is smooth, welded pipe wall thickness should be more than 6mm in the material, good groove, groove machine for processing groove.

　　4、而且通風(fēng)管道加工的過(guò)程中，還不能將涂層損壞，若是出現(xiàn)損壞的部位，需要用環(huán)氧樹(shù)脂涂刷在表面即可。另外通風(fēng)管道加工的過(guò)程中，還要做好防腐蝕措施，不能使用抽芯鉚釘，而且在通風(fēng)管道零件裝配的時(shí)候，這些零件都要經(jīng)過(guò)鍍鋅處理才行。

　　4, and ventilation pipe in the process of processing, can not damage the coating, if the damaged parts, need to use epoxy resin brushing on the surface. In addition, it is necessary to do some corrosion prevention measures during the processing of the ventilation pipe. No core rivets can be used, and these parts shall be galvanized after assembly of the ventilation pipe parts.

　　5、壁厚不同的管子對(duì)焊時(shí)，兩管壁厚之差不得大于管壁厚度的15%，并不得超過(guò)3mm。

　　5. When the wall thickness is different, the difference between the wall thickness of the two pipe shall not exceed 15% of the thickness of the pipe wall and shall not exceed 3mm.

　　6、通風(fēng)管道加工不能采用S型插條和C型直角插條的連接方式，另外對(duì)于一些特殊的通風(fēng)管道來(lái)說(shuō)，還不能采用按扣式的咬口。

　　6, ventilation pipe processing can not be connected by S type and C type rectangular cuttings cuttings, in addition to some special ventilation pipeline, we can not use the bite snap type.

　　7、不同直徑的管子對(duì)焊時(shí)，可將大管焊接端抽條加工成大小頭，也可采用鋼板制作大小頭。

　　7, different diameter of the pipe butt welding, can be welded to the end of the big pipe processing into big head, also can use steel plate making big head.

　　8、正式施工焊的材料焊接工藝相同。

　　8, the formal construction of welding materials, welding process is the same.

　　9、通風(fēng)管道制作完畢之后，還要用清洗液進(jìn)行清洗，只有達(dá)到清洗標(biāo)準(zhǔn)之后，才可以及時(shí)封口。

　　9, after the completion of ventilation pipes, but also with cleaning liquid for cleaning, and only after cleaning standards can be sealed in time.

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