Data required for type selection of air conditioning tower

Data required for type selection of air conditioning tower

1. The specific design parameters of the cooling tower shall be subject to the parameter requirements of the air conditioning host in the design drawing

2. It must meet the design requirements of inlet and outlet water temperature, hourly cooling water volume under wet bulb temperature and ultra-low noise indicators.

3. Cooling tower body

(1) The cooling tower body is an anti-seismic structure, all parts shall be subject to hot-dip galvanized surface treatment, and the connecting fasteners shall be stainless steel.

(2) The stiffness of the tower shall meet the requirements of the local code for the seismic fortification of more than 250kg / m2, and the seismic strength of the tower shall meet the requirements of the local code.

5. FRP parts

(1) It shall be made of glass fiber reinforced plastic (FRP) with corrosion resistance, weather resistance and impact resistance, and it is not allowed to contain talc and other impurities; The surface adopts imported gel coat with aging resistance and good stability; The raw materials used shall comply with the provisions of relevant standards, and the resin content, curing degree, bending strength, Babbitt hardness and other indicators shall fully meet the factory requirements of the cooling tower; Other materials used on the surface of the tower shall also be flame retardant materials.

(2) The appearance gel coat layer of FRP body shall be uniform, with smooth surface, no crack and uniform color; The edge of the tower body shall be neat, the thickness shall be uniform, and there shall be no delamination. The cutting section shall be sealed with resin.

6. Fan

(1) The performance parameters of the fan shall meet the requirements of the design working conditions. The static balance test shall be conducted before the fan assembly, and the blades shall be positioned and numbered after balance.

(2) The matched motor and reducer shall be matched with the fan, and the motor shall be fully enclosed outdoor type.

(3) Reducer, shaft, bearing, belt and pulley shall be high-quality parts.

(4) Fan blades are required to have reliable strength, smooth surface, excessive uniformity of each section and no defects such as cracks, notches and burrs.

(5) the clearance between the blade and the inner wall of the air duct shall be uniform.

(6) the fan drive bearing shall adopt external oil injection structure to facilitate daily maintenance; A reliable protective net shall be set above the fan to prevent foreign matters from entering the cooling tower.

7. Filler

(1) The cooling tower packing shall be flame retardant materials with high cooling efficiency and low ventilation resistance; It is forbidden to use recycled materials or part of recycled materials.

(2) When installing the filler, the gap shall be uniform, the top surface shall be flat, and there shall be no collapse and lamination. The filler shall not be perforated and broken.

8. Cooling tower water distribution system

(1) The cross flow tower should adopt the pool type water distribution with cover plate.

(2) The distribution tank shall be horizontal, the orifice shall be smooth, and the ponding depth shall not be less than 50mm.

(3) The water distribution shall be uniform.

9. The anti floating structure of the cooling tower shall be easy to load and unload, so as to facilitate the regular cleaning of the cooling tower packing.