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Spiral duct and dust collector and fan in the project to install the points
2016/10/13 阅读次数:[1895]

A, Installation and Operation of Spiral Duct for Cooling.
1. The end of the vent valve should be made of Ω-shaped or T-shaped, the discharge should be towards the safety zone. Between the safety valve and equipment or set off valve, in the course of operation, must be in full open position, and with a seal.
2. The spiral duct shall be provided with a steel casing through the wall or the floor. The weld shall not be placed in the casing. The steel casing shall be flush with the wall or floor or the floor, but shall be 20mm . Of the spiral duct and the casing between the application of insulation or other non-flammable materials filled, and shall not be used as pipe support.
B, spiral duct and dust collector production and installation of operational points
1. Installation dust removal device, should be the correct location, solid and stable, import and export direction must meet the design requirements, the vertical tolerance of each meter should not be greater than 2mm, the total deviation should not exceed 10mm.
2. The inlet and outlet of the spiral duct and the dust remover shall be straight and the ejection tube of the cylinder shall be coaxial with the lower cone of the cone, and its eccentricity shall not be more than 2mm.
3. Spiral duct and dust collector outer diameter or rectangular outer diameter of the allowable deviation should not be greater than 5%, its internal and external surface should be smooth, uniform curvature.
C, fan on the spiral duct installation and operation points
1. Ventilator of the spiral duct of the transmission part of the exposed, there should be protective cover, ventilator inlet or inlet ducts have direct access to the atmosphere, should install protective net or other safety measures.
2. Ventilator spiral duct base if not shock absorption device, and directly placed on the basis of the application of pairs of inclined horn leveling.
3. The inlet and outlet ducts of the spiral duct of the ventilator shall be supported separately and connected firmly to the foundation or other buildings. When the spiral duct is connected with the fan, the flange surface shall not be hard-drawn or boring. , The chassis should not bear the weight of other parts, to prevent deformation.

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