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| Warranty: | 2 Years |
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Cooling towers are devices used to dissipate waste heat into the atmosphere. There are two main types: counter flow cooling towers and cross flow cooling towers.
1. Counter Flow Cooling Tower:
- In a counter flow cooling tower, air flows vertically upwards while the water flows downwards.
- This design allows for efficient heat exchange since the water and air move in opposite directions, maximizing the temperature difference between them.
- The hot water enters at the top of the tower and is distributed over the fill media. As it trickles down, it exchanges heat with the upward-flowing air, cooling in the process.
- counter flow towers typically have a smaller footprint and are more energy-efficient compared to cross flow towers.
2. Cross Flow Cooling Tower:
- In a cross flow cooling tower, air flows horizontally across the downward-flowing water.
- Water is distributed over the fill media while air is blown horizontally across the water flow.
- Heat exchange occurs as the air passes over the water, extracting heat from it.
- cross flow towers are simpler in design and construction compared to counter flow towers but may be less efficient in terms of heat exchange.
Both types have their advantages and are chosen based on factors like space availability, efficiency requirements, and operational conditions.
Closed Circuit cooling tower
Cooling towers can be used to cool a data center indirectly through a process called water-side economization. Here's how it works:
1. Heat Dissipation:
- Heat generated by the IT equipment in the data center is transferred to a water loop through the use of heat exchangers or water-cooled systems.
2. Water Circulation:
- The hot water from the data center's cooling system is circulated to the cooling tower.
3. Evaporative Cooling:
- In the cooling tower, the hot water is distributed over the fill material (typically made of plastic or wood) while ambient air is blown through the tower by fans.
- As the water flows over the fill material, it is exposed to the air, causing some of it to evaporate. This process removes heat from the water, cooling it down.
4. Heat Rejection:
- The cooled water is then returned to the data center's cooling system, where it absorbs more heat from the IT equipment and the cycle repeats.
5. Water Treatment and Maintenance:
- It's essential to treat the water in the cooling tower to prevent scale, corrosion, and biological growth, which can affect its efficiency and lifespan.
- Regular maintenance, including cleaning the fill material and inspecting mechanical components, is necessary to ensure optimal performance and longevity of the cooling tower.
By utilizing a cooling tower for water-side economization, data centers can take advantage of ambient air temperature to cool the water used in their cooling systems, reducing the reliance on mechanical refrigeration and lowering energy consumption. This approach can be particularly effective in regions with favorable climate conditions, where ambient air temperatures are low enough to provide adequate cooling without the need for traditional mechanical cooling systems.
Technical Database
Combined Flow Cooling Tower/Cross Flow Cooling Tower| Model | Capacity (m3/h) | Axial Fan | Water Spraying Pump | Dimension (mm) | ||||||
| Qty | Motor Power (kw) | Air Volume Per Set (m3/h) |
Qty | Motor Power (kw) | Water Volume Per Set (m3/h) |
L | W | H | ||
| BNX-10 | 12 | 1 | 1.5 | 18000 | 1 | 0.55 | 23 | 1230 | 1150 | 3440 |
| BNX-20 | 21 | 1 | 2.2 | 30000 | 1 | 0.75 | 28 | 1925 | 1150 | 3650 |
| BNX-30 | 33 | 1 | 3 | 45000 | 1 | 0.75 | 28 | 1925 | 1840 | 3840 |
| BNX-40 | 42 | 1 | 4 | 60000 | 1 | 1.1 | 45 | 1925 | 1840 | 4220 |
| BNX-50 | 51 | 1 | 5.5 | 75000 | 1 | 1.5 | 65 | 2470 | 1840 | 4220 |
| BNX-60 | 61 | 1 | 7.5 | 87000 | 1 | 1.5 | 65 | 2470 | 1840 | 4450 |
| BNX-70 | 70 | 1 | 7.5 | 10000 | 1 | 2.2 | 84 | 2790 | 1840 | 4450 |
| BNX-80 | 80 | 2 | 4 | 65000 | 1 | 2.2 | 84 | 3770 | 1840 | 4220 |
| BNX-90 | 90 | 2 | 4 | 65000 | 1 | 2.2 | 84 | 3770 | 1840 | 4450 |
| BNX-100 | 100 | 2 | 4 | 65000 | 1 | 2.2 | 84 | 3770 | 1840 | 4220 |
| BNX-110 | 110 | 2 | 5.5 | 75000 | 1 | 3 | 120 | 3770 | 2200 | 4450 |
| BNX-125 | 125 | 2 | 5.5 | 75000 | 1 | 3 | 120 | 3770 | 2200 | 4350 |
| BNX-135 | 135 | 2 | 5.5 | 87000 | 1 | 4 | 170 | 4846 | 2200 | 4650 |
| BNX-150 | 150 | 2 | 7.5 | 100000 | 1 | 4 | 170 | 4846 | 2200 | 4350 |
| BNX-165 | 165 | 3 | 4 | 65000 | 1 | 4 | 170 | 5610 | 2200 | 4650 |
| BNX-180 | 183 | 3 | 5.5 | 75000 | 1 | 4 | 170 | 5610 | 2200 | 4650 |
| BNX-200 | 200 | 3 | 5.5 | 75000 | 1 | 4 | 170 | 6046 | 2200 | 4650 |
| BNX-225 | 225 | 3 | 7.5 | 87000 | 1 | 5.5 | 230 | 7230 | 2200 | 4650 |
| BNX-250 | 250 | 4 | 5.5 | 75000 | 2 | 3 | 120 | 7450 | 2200 | 4650 |
| BNX-265 | 265 | 4 | 5.5 | 75000 | 2 | 4 | 170 | 9030 | 2200 | 4965 |
| BNX-280 | 280 | 4 | 5.5 | 75000 | 2 | 4 | 170 | 9030 | 2200 | 4965 |
Projects
1 Q: Is your company a manufacture or a trading company?
A: We are a leading cooling tower manufacturer and trading combo with more than 40 years producing experience since 1975.
The famous brand-"Heng An" is well known not only China but all over the world.
As a group company loacted in Weifang Citey of China, we have more than 1000 employees, area of 34hectares and total assets of USD 160 million.
2 Q: What is the difference between a "counter flow" and a "cross flow" cooling tower?
A: The cross flow or counter flow designation characterizes the orientation of the airflow within the heat-transer medium (fill) in the tower with respect to the direction of water flow. In counter flow towers air travels vertically upwards through the fill and makes intimate contact with water droplets falling down through the fill. Hence the air and water travel in opposite directions.
In cross flow cooling tower, the air passes through the fill medium in a horizontal direction, thus crossing the downward water flow.
At same situation, counter flow tower are inherently more efficient than cross flow tower.
3 Q: How do you get repair parts and how long does it take?
A: We have workshop and backup store supplying all parts. 90% of spare parts can be distributed to any plae on the world within one week.
4 Q: What if you don't have the professional engineers to install or maintain the tower?
A: We could dispatch experienced engineer on site to install the towers and train your staff for tower operation and maintaince.
5 Q: How can I choose a suitable cooling tower?
A: If you are available to provide the following information, we can help you to choose the suitable cooling tower.
| Application | Which industry or system using for? For example, HAVC system, casting cooling system |
| Water flow capacity | How many tons of water treatment per hour? |
| Inlet water temp. | Tempreture of hot water to be cooled |
| Outlet water temp. | Tempreture of cooled water, usually it would be at least 3-4 ºC higher than the bulb tempreture. |
| Wet bulb temp. | Highest wet bulb temp. of the location/area or city to install the tower is essential to know to evaluate the size of towers. |
| Power supply | The standard is 380V/3 phases and we have stock. But for customization, the delivery time would be longer. |
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