The structure of the welding smoke purifier airtight cover

The structure of the dust collector airtight cover dust collector airtight cover material and structure should be strong and durable, rigor good convenient operation. Due to the small groove plate composed of steel and steel sheet is a kind of good performance of sealing cover structure. Grooves flat airtight cover grooves made prefabricated plate is suitable for the structure, for smaller airtight cover can all adopt the grooves flat; For ease of production equipment maintenance for the large airtight cover, but local use groove plate; Grooves flat airtight cover is composed of many assembly unit, the geometry of each unit ( Rectangular, trapezoidal, arc, etc. ) According to the actual need to decide, each unit of length shoulds not be more than 1. 5 m each unit by grooves framework, airtight cover, clamping device and packing and other artifacts. 1) welding smoke purifier groove width within the permitted error in the processing, to make the cover board can free embedded groove, but shoulds not be too wide. Grooves (2) the packing, should use good elasticity, durable, cheap material, generally available silicone rubber sponge, non-asbestos rubber rope, plastic foam, etc. Silicone rubber sponge compression rate less than 60%, the heat resistance of 70 ~ 80 ℃ or above, more than 1 kg can handle 40 mmx17mm gap 8 to 9 m. Packing available adhesive in the slots. (3) there are four kinds of different forms of connection, according to actual needs to be combined.
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