Cooling tower manufacturer: The operation characteristics of closed cooling tower in the connecting season

The closed cooling tower is a kind of equipment where the shell and tube heat exchanger is placed in the tower, and the heat exchanger that sprays water and cools the circulating water can achieve temperature reduction effect according to the circulating air. In recent years, it has been more widely used in power electronics technology, mechanical processing and manufacturing, central air conditioning system and other fields.

In addition to the control parameters of the closed cooling tower itself, when the main parameters such as outdoor gas humidity, dry bulb temperature, and air humidity change, their thermal performance will also change and offset their design conditions.

(1) The transition season is around 5.5 to 70% of the equipment deviation design conditions in March and November. In April, May and October, the characteristic deviation of the design condition is around 6 to 70%. The cooling capacity of air conditioning can be increased by increasing the inlet wind or increasing the inlet flow of cooling circulating water, but the corresponding adverse effects of reducing the energy consumption index and rising the inlet and outlet temperature will be generated respectively.

(2) In the transition season (March, November), the inlet flow rate and channel wind power can be adjusted according to the difference of key comment standards, so that the refrigeration regulations can be met. In the transition season (4, 5, October), because the outdoor temperature is also high, then the cost of adjusting the cooling tower characteristics according to the variable wind is very high, and the rationality of operating the cooling tower under such meteorological elements is relatively weak.

Cooling tower manufacturers: Explain the basic principles of refrigeration for closed cooling towers

Closed cooling towers usually clean up the heat flow generated in industrial production to achieve the effect of temperature reduction or cooling. It has the following advantages: high heat transfer efficiency, low initial investment, small total area and low use cost. The key application in industrial production is characterized by the application of soft cooling water and tower circulation system.

Cooling tower manufacturers: Generally use softened water to carry out the refrigeration cycle system, which is not easy to grow dirt. Moreover, it is still a closed space, and the residue in the outside air can not be entered, which also prevents the risk of failure due to the obstruction of the pipeline by dirt. The closed cooling tower also uses the repeating method in the tower to repeatedly apply water substances, which can not only reduce the consumption of water sources, but also reduce environmental pollution.

The basic principle of refrigeration is essentially two circulation systems: an inner cycle and an outer cycle.

1. Internal circulation: connected with the target machine and equipment to form a closed circulation system system (the circulation system material is softened water). Cooling the main target system, bringing the heat from the target equipment to the refrigeration generator set.

2, cooling tower manufacturer: external circulation: in the closed cooling tower, to its own temperature reduction. It does not touch with the internal cooling circulating water, and only carries out heat transfer and heat removal according to the fin heat exchanger in the tower. In this heat dissipation mode, the operation of the motor is set according to the temperature of the water according to the automatic control system.

Cooling tower manufacturers: Xiaobian will explain here, if you need a cooling tower remember to consult our cooling tower manufacturers.

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