u003cpu003e Ventilation duct
s are no stranger to everyone. Ventilation ducts are our large indoor ventilation equipment. We can see them in some large public places, such as office buildings and shopping malls. The ventilation duct is a hollow duct, mostly round or square. The production and processing of ventilation ducts has a great influence on the later use and the safety factor of operators. Therefore, it is necessary for operators to understand the precautions of ventilation duct processing. u003c/pu003eu003c/pu003eu003cpu003eu003c/pu003eu003cpu003e 1. In the process of ventilation pipe processing, longitudinal joints should be avoided as much as possible, but horizontal joints should not appear. In addition, according to the design cleanliness requirements, the undercut and four corners of the ventilation pipe need to be sealed with sealant. In addition, the sealing surface of the vent pipe joint should be set on the positive pressure side of the vent pipe wall. u003c/pu003eu003cpu003e 2. In the process of air duct processing, ventilation ducts cannot be provided with reinforced frames or ribs, because this will have a certain impact on the quality of the ventilation ducts. u003c/pu003eu003cpu003e 3. 'S'-shaped cutting and 'C'-shaped right-angle cutting connection methods cannot be used for duct processing. In addition, some special ventilation ducts cannot be blocked. u003c/pu003eu003cpu003e 4. After the ventilation pipe is completed, clean it with cleaning fluid. Only after reaching the cleaning standard can it be sealed in time. u003c/pu003eu003cpu003e 5. When the gas nozzle of the glass fiber composite board is a section, before assembling the flange joint, the section of the pipe end should be sealed with tape or glue to prevent the glass fiber from being exposed and scattered. u003c/pu003eu003cpu003e 6. If it is a color-coated steel plate ventilation duct, the inner wall should be kept smooth, and the coating should not be damaged during the processing of the ventilation duct. If the parts are damaged, the surface should be coated with epoxy resin. In addition, anti-corrosion measures should be taken during the air duct processing. Hollow rivets should not be used. When assembling the ventilation duct parts, these parts should be galvanized. u003c/pu003eu003c/pu003eu003cpu003e The above are the six problems that should be paid attention to when processing ventilation ducts. When the air duct is processed, no reinforcement frame or ribs should be provided on the ventilation duct, and no buckle should be used. After the production is completed, the cleaning fluid is used for cleaning and sealing, pay attention to the use of parts! The above content is finished, I believe everyone can have a deeper understanding of the ventilation duct after reading this article, and friends who need help can contact us at any time. u003c/pu003eu003cpu003eu003c/pu003e u003cpu003e
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