Induced Draft
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The axial fans of induced draft equipment are mounted in the top deck of the unit, minimizing the impact of fan noise on nearby neighbors and providing maximum protection from fan icing with units operating in sub-freezing conditions. The use of corrosion resistant materials ensures long life and minimizes maintenance requirements for the air handling components.
Forced Draft
The fans are located on the air inlet face at the base of forced draft towers, facilitating easy access for routine maintenance and service. Additionally, the location of these components in the dry entering air stream extends component life by isolating them from the saturated discharge air.
Capacity Range
Product capacities are called out in terms of nominal tons. A nominal cooling tower ton is defined as the capability to cool 3 GPM (0.19 lps) of water from a 95ºF (35.0ºC) entering water temperature to an 85ºF (29.4ºC) leaving water temperature at a 78ºF (25.6ºC) entering wet-bulb temperature. Nominal conditions are typical of conventional HVAC designs in most parts of the country, but will not apply to all projects. BAC offers selection software to evaluate the performance of a tower at many conditions.
Maximum Entering Water Temperature
As previously stated, typical HVAC conditions call for an entering water temperature of approximately 95ºF (35.0ºC). All BAC Cooling Towers are capable of withstanding temperatures of at least 120ºF (48.9ºC) with standard fill materials. For applications where the entering water temperature exceeds 120ºF (48.9ºC) alternate fill materials are available and may be required for your project.
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The history of cooling towers dates back to the 19th century, when they were first developed as condensers for steam engines. The first cooling towers were simple structures, consisting of a tower with a water spray system and a fan to draw air through the tower. As the demand for cooling towers grew, so did the complexity of their design.
In the early 20th century, two Dutch engineers, Frederik van Iterson and Gerard Kuypers, patented a new type of cooling tower design called the hyperboloid cooling tower. This design was more efficient than previous designs and quickly became the standard for cooling towers.
In the mid-20th century, new materials and technologies led to further advances in cooling tower design. Steel and concrete replaced wood as the primary building materials, and new fan designs improved efficiency. In addition, the development of electronic controls made it possible to automate cooling towers, which reduced operating costs.
Today, cooling towers are an essential part of many industrial and commercial applications. They are used to cool water for a variety of purposes, including power generation, air conditioning, and industrial processes. Cooling towers are also used in some residential applications, such as swimming pools and spas.
Here are some of the key milestones in the history of cooling towers:
Cooling towers are an important part of the infrastructure of modern society. They play a vital role in cooling water for a variety of applications, and they continue to evolve as new technologies are developed.
Our team offers complete cooling tower refurbishment that will save your company tens of thousands of dollars over buying and installing new cooling towers. Cooling tower refurbishment and rebuilding adds about another 15 years of life to your equipment and helps you get your money&#;s worth out of your original investment in your cooling tower or property. We offer cooling tower installation, replacement, and refurbishment in Arizona and Nevada. We also sell other cooling tower parts and products.
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