After-sales Service: | on-Site Installation |
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Warranty: | 2 Years |
Cooling Method: | Counter Flow/Cross Flow/Combined Flow |
Ventilation Mode: | Mixing Ventilation |
Material: | Metal |
Air Contact Form: | Wet and Dry |
Samples: |
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Customization: |
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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 are commonly used in industrial settings, including those where ammonia compressors are employed. Ammonia compressors are utilized in various applications, such as refrigeration systems in food processing, cold storage facilities, and chemical manufacturing plants. Here's how cooling towers are applied in conjunction with ammonia compressors and some options available:
1. Refrigeration System Cooling:
- Application: Ammonia compressors are integral components of refrigeration systems used for chilling or freezing applications in industries like food processing and cold storage.
- Option: Cooling towers are employed to dissipate the heat generated by the ammonia compressors during the compression process, ensuring efficient operation and maintaining optimal system performance. Closed-circuit cooling towers are often preferred to prevent contamination of the process water by ammonia, which can be corrosive and hazardous.
2. Condenser Cooling:
- Application: Ammonia compressors typically have condensers that reject heat from the refrigerant, causing it to condense back into a liquid state.
- Option: Cooling towers are used to cool the condenser water, which is then circulated through the condenser to remove heat from the ammonia refrigerant. Both open-loop and closed-circuit cooling towers can be utilized, depending on factors such as water quality requirements and environmental considerations.
3. Oil Cooling:
- Application: Ammonia compressors often require oil cooling to maintain proper lubrication and prevent overheating of compressor components.
- Option: Cooling towers can be employed to cool the oil used in the compressor's lubrication system, ensuring optimal operating conditions and extending equipment lifespan. Heat exchangers may be integrated into the cooling system to facilitate efficient oil cooling.
4. Water Conservation and Treatment:
- Application: Cooling towers contribute to water conservation efforts by recycling and reusing water used in the cooling process, reducing water consumption and environmental impact.
- Option: Water-efficient cooling tower designs, combined with advanced filtration and treatment systems, can help minimize water usage and maintain water quality in ammonia compressor applications. Additionally, corrosion-resistant materials may be used to withstand the potentially corrosive nature of ammonia.
5. Energy Efficiency:
- Application: Energy-efficient cooling tower designs help optimize energy usage and reduce operating costs associated with ammonia compressor cooling.
- Option: Variable speed drives (VSDs), fan controls, and thermal performance enhancements are some options available to improve the energy efficiency of cooling towers used in conjunction with ammonia compressors.
In summary, cooling towers are essential components in applications involving ammonia compressors, providing critical heat dissipation and ensuring efficient operation of refrigeration systems. The choice of cooling tower options depends on factors such as water quality requirements, environmental considerations, energy efficiency goals, and compliance with safety standards.
Technical Database
Combined Flow Cooling Tower/Cross Flow Cooling TowerModel | 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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