INDUCED DRAFT CROSSFLOW COOLING TOWER MODEL : SQCT

Sqct 04
Sqct 05
Sqct 06
Sqct 07

Hot water is delivered from outside to hot water basin located two sides on the top of the tower. Then it will be distributed over pvc fillers which are installed underneath the basins. Cool air is sucked by fan on top of the tower through fillers from the side. Heat transfer will take place between hot water and cool air. Cooled water will fall down to cool water basin before being sucked back for again cooling application. Hot air will be released to outside. Benefit of this type of cooling tower is less air pressure loss. Fan will consume less absorbed horse power.

Material of Construction

 

PART Material
STRUCTURE Made of hot dip galvanized steel. All parts are connected with galvanized bolts & nuts Tower side walls are made of glass fiber reinforced plastic. Service door is provided for inside maintenance conveniently
AIR INLET MESH Made of ABS plastic in order to prevent big foreign materials from being sucked into the tower. They are to eliminate splashing of water to outside as well.
FAN DUCT Made of fiber glass reinforced plastic. Shape is cylinder and slightly tapered to enhance aerodynamic efficiency and reduce pressure loss.
MOTOR Motor is to drive tower fan. Due to humid air stream, the motor has to be water and moisture proof type IP 55 rated motor is normally used for our standard tower model. Unless higher rating is required.
GEAR REDUCER Big cooling tower always requires high airflow. Hence big fan blade and diameter are necessary. Fan has to be run at lower speed in order to reduce tip speed and noise.  Speed reducer is needed. Gear reducer or V-belt pulley drive are generally two options available. Gear reducer will be longer life and less maintenance. However it will be more noisy than V-belt drive.
FAN Made of aluminium alloy. Fan is to create airflow so that water will contact stream air at large. Axial flow fan is suitable since it can make high airflow. Good fan has to be high efficiency, less vibration, corrosion resistnace and safely operated.
MOTOR SUPPORT Made of hot dip galvanized steel. It's to support motor and gear reducer to operate securely. It's installed on top of fan duct and be with fan guard to prevent danger of fan hit.
HOT WATER BASIN Made of fiber glass reinforced plastic. It's to receive hot water from outside Nozzles are installed at bottom of this basin to distributed hot water over underneath fillers.
FILLER Made of PVC plastic film and corrugated. Water will spreaded over filler. Corrugation will create thin film of water and slow down falling of water. The film enhances heat transfer between water and air stream.
COOL WATER BASIN Made of fiber glass reinforced plastic. It will receive cooled water leaving from bottom of the filler. Basin should have enough volume so that water level will never lower than outlet at starting up and water will never over flow at stopping.