Single-inlet composite flow closed-circuit cooling tower

Single-inlet composite flow closed-circuit cooling tower

Counterflow closed-circuit cooling towers, sometimes abbreviated as counterflow closed towers, are so named because the spray water and hot air flow in a mixed direction. The spray water flows from top to bottom, and the air is divided into two streams. One stream of cold air flows from top to bottom, while the other stream enters horizontally from the side, exchanging heat with the falling spray water through the fill media to lower the spray water temperature.

Key words:

Classification:

Compound flow closed cooling tower

Hotline:

Single-inlet composite flow closed-circuit cooling tower

Overview

A counterflow closed cooling tower, also known as a counterflow closed cooling tower, is a common single-inlet counterflow closed cooling tower, so named because the spray water and hot air mix. The spray water flows from top to bottom, while the air enters from the top and sides. Heat exchange is achieved through the filler and spray water, resulting in cooling. This cooling tower mainly consists of heat exchange coils, a spray system, an exhaust system, and a frame shell. The heat exchange coils are responsible for heat exchange, the spray system provides spray water, the exhaust system guides air flow, and the frame shell provides protection. This counterflow design improves cooling efficiency and is widely used in various places requiring cooling.

Working Process

► The spray pump draws water from the sump and pumps it to the top of the heat exchange coils. It is sprayed in an umbrella shape through the nozzle, continuously and evenly covering the outer surface of the pipe, forming a thin water film. Part of the water absorbs the heat energy of the high-temperature refrigerant in the pipe, converting it into latent heat of vaporization and evaporating into a gaseous state. The refrigerant inside the pipe is cooled or condensed into a liquid state. The un-evaporated spray water falls back into the spray sump;

► The exhaust system uses a suction-type fan at the top of the tower to exhaust air from inside the tower. Cold, dry air from outside the tower enters the tower through the heat exchanger coils and inlet louvers, flowing downward from the top of the heat exchange coils, carrying away the evaporated water vapor, increasing the humidity and temperature of the air; at the same time, cold, dry air is also drawn in from the side of the tower, exchanging heat with the falling spray water through the filler. Both parts of the hot, humid air are exhausted from the tower by the fan;

► A float valve is installed in the spray sump. When the water level is low, it automatically replenishes the supply to maintain a certain water level in the sump.

Working Principle

The working fluid (water, oil, or other liquid) flows in the coils. The outer wall of the coils is wrapped in spray water. The heat of the fluid is transferred through the pipe wall, forming saturated wet and hot steam with water and air. The heat is discharged into the atmosphere by the fan. The spray water reduces its temperature during the circulation process through the PVC heat sink, and flows in the same direction as the fresh air to form cold water. The coils mainly rely on wet and hot heat conduction. An important feature of the working principle of the counterflow closed cooling tower is that it maximally inhibits the formation of scale on the outer wall of the coils.

Our Advantages

21 years of focus, professional because of focus, rich experience, high quality.

21 patents, patent support, reliable technology, excellent performance, stable operation

Covers an area of 40 mu, strong strength, strong backing, long-term cooperation, worry-free after-sales service

Product Models and Parameters

Add Sales Engineer Enterprise WeChat, get technical documents for free

None

Double-flow closed-circuit cooling tower

None

Double-flow closed-circuit cooling tower