Generally, the type of heat removal of a closed cooling tower is mainly determined according to the climate, because in winter, the weather is relatively cold, and the heat removal may be too large. In the process of operation, even if the ambient temperature is higher than zero, Fluid cooling towers can also drop the water in the tubes to zero degrees, which can even cause freezing.
The closed cooling tower mainly places the tubular heat exchanger in the tower, and then achieves the cooling effect through forced ventilation, exchange of spray water and circulating water. A significant feature of the closed cooling tower is that it can ensure that the water consumption is low, and the water quality is not polluted, which ensures the operation of the main equipment and prolongs the service life of the equipment.
The internal water collection tank and spray pipe of the closed cooling tower are composed of various combinations, so we need to clean it in time to avoid the scale blocking the pipe, and check whether there is dust in the packing part in time. If dirt is found, it should be sorted out in time to ensure the cleanliness of the heat exchange environment, and the cooling tower should clean the dirt on the surface of the fan blades in time, and make timely adjustments.
In addition, we also need to check whether the floating ball on the copper ball valve in the water collection tank of the closed cooling tower can work normally, and check whether there is water leakage in the water collection tank and tower foot.
Check whether the sound of the motor is abnormal when it rotates, whether the screws fixing the motor are loose, and check whether the rotation of the cooling tower reducer is abnormal in time. distributed.
In fact, for tube-fin heat exchange equipment such as closed cooling towers, in order to prevent the low-temperature freezing and cracking of the tubes in winter, the circulating water in the tubes is generally removed in time when the operation is stopped. But now the cross-flow closed cooling tower still has the problem of slow water discharge or unclean water discharge, which leads to the freezing and cracking of the segments.
If the water in the closed cooling tower is not cleanly drained, even if there is no freeze cracking, there is local ice in the pipe, which may lead to the occurrence of pipe bursting in the later stage, so we need to pay more attention to these problems.
As a combination of evaporative cooling tower and closed cooling tower, the effect of evenly distributing spray water in the later stage is still good. At present, many factories have also used closed cooling towers, in order to make the role of waste heat treatment more obvious.
Guangdong Trlon Energy-saving Air Conditioning Equipment Co., Ltd.
Company Address： 1916A, Block A, David Donglong Business Building, Longhua, Longhua District, Shenzhen