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Cooling towers

  • What is a cooling tower?
    What is a cooling tower?

    A cooling tower is a distinctive heat exchanger structure that removes heat from water on a massive scale. During operation, hot water comes in contact with the cold air, which cools down the water through evaporative and heat transfer. Cooling towers are designed as heat transfer systems, but contact between cold air and hot water also cools the water through evaporation. A cooling tower aims to cool hot water used by industrial processes like machines and HVAC systems.

  • How does cooling tower work?
    How does cooling tower work?

    Industrial processes and Air conditioning equipment can generate tons of heated water that need immediate cooling. The hot water is pumped through the industrial cooling tower, where it's exposed to cold, dry air. The heat from the water escapes through evaporation. The cold water then returns to the air conditioning equipment or other processes to continue its cooling function. The cycle repeats over and over again. In the cooling tower, water is passed through nozzles which spray water into droplets enlarging the water's surface area and creating a better chance of cooling down. Moreover, a fan on top of the cooling tower brings cold air from the bottom as the water droplets flow in opposite directions.

  • What is it used for?
    What is it used for?

    A cooling tower is a massive heat exchanger that helps to eliminate heat from commercial buildings, hospitals, schools, and industrial complexes. Cooling towers provide efficient and energy-saving operations for industrial processes that need cooling.

    A cooling tower is used to remove heat from a building or facility by shooting water down the tower and exchanging heat with the structure's interior. Air enters the tower from all sides and flows through the falling water. Heat is transferred when the air travels through the water, and part of the water evaporates. This heat and evaporated water generate a thin cloud-like mist that flows out the top of the tower. At the bottom of the tower, the cooled water is collected and pumped back into the plant or building for reuse.

  • Types Of Cooling Towers
    Types Of Cooling Towers

    Cooling towers are important for industrial and cooling processes; otherwise, machines will break down, and safety can be compromised.

    Crossflow

    In crossflow cooling towers, water flows vertically while air flows horizontally inside the tower. In this setup, water doesn't pass through the distribution system; instead, it goes to hot water basins to be installed on top of the unit. Thus crossflow tower is gravity fed and is out of the way of the airstream coming in horizontally. Moreover, the hydrostatic head of the water is the driving force behind the spraying nozzles. This gravity-fed setup is easily accessible and can be cleaned when operating from the top of the tower.

    Counterflow Cooling Towers

    Counterflow towers are set to allow the air to flow vertically upwards against the flow of falling water droplets. Unlike in crossflow design, it's impossible to open sealed gravity basins crossflow designs. Also, crossflow uses pressurized pipe spray systems, making them inaccessible during operations. Moreover, the pipes and nozzles must be further apart to allow air to pass through easily without restrictions. The counterflow system also needs pumps to maintain pressure and also needs to be shut off to clean the nozzles. Consequently, with the design, someone has to claw inside the tight tower space to inspect or clean the nozzles.

cooling tower

We work with Evapco and BAC cooling towers. The experts at A Plus Quality will assist you in finding the best system for your needs.

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FAQ

  • Water is Leaking on my Furnace

    Water falling on to the furnace can harm your heating unit by affecting the control boards and other components enclosed in the furnace. There can be many causes to the water overflow, but the most common cases in the summer is the ice build up inside the evaporator coil due to low refrigerant level. Water build up can also be due to the evaporator coil having a crack on the base, if this is the case contact us by booking an appointment or call us today to have a technician come have a look at your unit and repair this issue before it causes excessive damage.  

  • Furnace is blowing cold air in Winter?

    This can be due to Ignition lockout, sometimes could be resolved by resetting the power  and if this does not resolve the issue you should contact a certified gas technician from A-Plus Quality to get this problem resolved!

  • Why should I maintain my Furnace or AC?

    An annual maintenance will extend the lifetime of your heating and cooling unit. The technician will diagnose and repair any problem with the unit before it fails, so you won't need to worry about any problems when the weather gets very hot in the summer or extremely cold in the winter.

  • Most common Boiler Issues

    - Boiler fails to ignite
    - Low pressure
    - Strange Noises
    - Boiler is not responding to the thermostat
    - Cold Radiators
    - Boiler leaking or dripping
    - Boiler cycling very fast
    - Available Hot water but No Heat

  • What are mini-split advantages?

    Just as the name implies, a “mini-split” system is a “split system” however available in smaller capacities, for single room to whole house conditioning. Mini-split systems may range from as small as 9,000 BTUh per hour, comparable to say, a small window AC unit, for individual room use, up to 4 and 5 ton capacities for “Room By Room” (also known as “Zoning”) and whole house conditioning. With near universal design, mini-splits are “heat pumps” which provide both heating and cooling for a home. Here are key advantages when compared to traditional split systems:

    Efficiency- Mini-splits are highly engineered systems which offer attractive operating efficiencies, in many instances, eligible for utility company rebates.
    Heat Pump- Most mini-split systems are heat pumps, providing year-round comfort.
    Solar friendly- Due to very low power requirements, mini-splits are an ideal complement to “Net Zero Energy” homes, or any home using renewable power.
    Carbon footprint- Mini-splits are 100% electric, with zero operating emissions of any type.
    Zoning- Most mini-split manufacturers offer systems capable of room-by-room “zoning”, to account for peak demands of a room based upon construction type, exposure orientation and usage.
    Variable capacity- Mini-splits are typically DC inverter driven. That is, a variable speed compressor which modulates in proportion to instantaneous demand. Most conventional split systems, by comparison, operate with an ON-OFF strategy. (Would you use an ON-OFF switch as the accelerator in your vehicle?)
    Location, Location, Location!- Mini-split outdoor units are compact; they can be located far away from noise-sensitive areas, such as bedrooms and home offices. Mini-split indoor units have the ability to be installed where conventional systems cannot.
    They’re perfect for additions and remodels where access to current HVAC system is difficult to access.
    Modern mini-split systems are remarkably quiet; in fact, many times their operation is unnoticed by the end user.

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