| 摘要 |
A prefabricated hood is provided to facilitate carrying, assembly and construction by separately manufacturing front and rear plates, a side plate, and an exhaust guide plate according to standard and being assembled in a construction field. A prefabricated hood comprises a front plate(120), a rear plate(122), a side plate(140), an exhaust guide plate(160) and an enforcement unit. The front plate and the rear plate are punched at both sides. In the side plate, a part of both sides is bent at 90‹. The side plate is punched in the part which is bent. The exhaust guide plate is assembled with a bolt(300) with adhering to the inner surfaces of the front plate and the rear plate. The exhaust guide plate is installed to be inclined and induces air to be discharged. The enforcement unit is installed at the edge of the upper surface of the front plate and the rear plate. A connection rope is inserted into the enforcement unit to hang on a ceiling.
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