The counterflow glass cooling tower is an energy-saving new product designed by the Fourth Design Institute of the Ministry of Machinery Industry. This product applies the energy-saving fiberglass cooling tower patent obtained by the Fourth Institute. In particular, the cooling tower fan is equipped with a variable torque off-pole two-speed motor. When the temperature is low (for example, the motor is turned on at low speed at night, the cooling tower noise can be reduced. In addition, it is used Two-speed motors save significant energy. According to calculations, when multiple cooling towers are equipped with single-speed motors, although some motors can be stopped to save power when the air wet-bulb humidity is low, they still consume more power (in years) than using two-speed motors. This product also uses the national patent square counter-flow cooling tower oblique trapezoidal wave filler sheet obtained by the Fourth Institute. After testing by the Beijing Academy of Water Sciences and Foshan Real Tower, its thermal and resistance characteristics are better than other fillers.
Square Counterflow cooling towers have three major series, nine models, and ninety products
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Design parameters
The industrial tower is the air wet bulb temperature ℃, and the cooling tower temperature drop is ~℃.
The air wet bulb temperature for civil towers is ℃, and the cooling tower temperature drop is ~ ℃.
When selecting a tower, you need to know the cooling water volume, the water temperature entering the tower, the water temperature leaving the tower, and the wet bulb temperature of the air.
, cooling tower The material can withstand low temperatures of ℃, but for areas where the average temperature in the coldest month is lower than ℃, it should be stated when ordering so that anti-icing measures can be taken.
The turbidity of circulating water should not be greater than mg/L, and in the short term, it should not be greater than mg/L. It should not contain oil stains and mechanical impurities. Measures to eliminate algae and stabilize water quality must be taken when necessary.
, The direction of the inlet and outlet pipes of the cooling tower can be rotated by, , and .
, The water distribution system is by For nominal water flow design, if the difference between the actual water volume and the nominal water volume is more than the above, it should be stated when ordering so that some data can be modified.
The inlet water temperature of the cooling tower should not exceed ℃. If it exceeds ℃, it should be stated when ordering.
/> , The installation angle of the fan blades is adjustable, but the angle must be kept consistent. And the current of the motor does not exceed the rated current of the motor.
, The fan can be reversed at low speed for a short period of time to eliminate ice.
, When used for cooling When the water tray of the tower is used as a pool, additional automatic water supply pipes, rapid water supply pipes, sewage pipes, and overflow pipes must be specially mentioned when ordering. The cost is additional.
, motors, and fans are all supplied and need to be sent by the factory. Employees go to the site for installation or technical guidance.
Fiberglass cooling tower structure
The filler adopts the oblique trapezoidal wave filler sheet patented by the Fourth Institute, with convex ribs added laterally. It has large water redistribution capacity, low resistance and excellent thermal performance. Good, resistant to high temperature ℃, low temperature ℃, good flame retardancy.
Motor Designed by the Department of Electrical Engineering of Tsinghua University and manufactured by Yingmengjin Motor Factory, the patented product of the Fourth Institute is a variable torque variable extremely low noise energy-saving motor, sealed and waterproof Good, high temperature resistance, high efficiency, low noise.
The power reduction device/reduction device adopts polyester fiber reinforced neoprene power belt transmission, which is high temperature resistance, high efficiency, does not stretch when exposed to water, and overcomes the slipping phenomenon and noise Very small. The power/reduction device adopts gear reduction method, and the motor is installed outside the air duct.
The low-noise, high-efficiency, airfoil-shaped fiberglass blades designed by the Department of Engineering Mechanics of Tsinghua University based on the parameters of this series of products have low noise. Small, high efficiency, adjustable blade angle.
The water collection and distribution device adopts reflective low-pressure nozzles. For small towers, single swirl nozzles are used to achieve uniform water distribution and low water pressure. The water collecting device can reduce the loss of floating water to a minimum. Sound-absorbing facilities The ultra-low-noise cooling tower is equipped with a shield and sound-absorbing grille with sound-absorbing materials on the air outlet of the upper tower body to achieve the maximum noise reduction effect. (
) Sound-absorbing facilities The ultra-low-noise cooling tower is equipped with a shield and sound-absorbing grille with sound-absorbing materials on the air outlet of the upper tower body to reduce the noise of the fan and motor. For small towers, mushroom-shaped sound-absorbing grilles are installed.
Dripping Noise Reduction Mat For low-noise and ultra-low-noise cooling towers, specially designed sound-absorbing mats with good water permeability are equipped with a layer of ramp plates underneath, which greatly reduces the dripping noise.
Inspection platform The checkered steel plate inspection platform on the top of the tower is convenient for maintenance and installation.
The cooling tower with shallow water tray and deep water tray in the lower tray is equipped with a drain tray for water storage. According to ordering requirements, it can be equipped with overflow, sewage, automatic and manual water supply pipes, and can directly absorb water from the lower tray.
The cooling tower steel bracket is galvanized and coated with epoxy asphalt paint to prevent corrosion, and the fasteners are galvanized bolts.
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Cooling tower nozzle reflection type three ordinary nozzle direct sales