A cooling tower is an essential component to run a power plant, manufacturing units, and factories. The primary job of the cooling tower is to simply remove the excess heat and humidity from the building caused by machines. Cooling towers are also used for ventilation and air conditioning (HVAC) and other industrial purposes. They are energy-efficient and cost-effective in operation.
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If you’re planning to buy a cooling tower for your factory, you may come up with several questions about the product? In this blog, we will discuss some of the frequently asked questions related to cooling towers.
Q1. What is a cooling tower?
A cooling tower is a specialized heat exchanger in which the water and air are brought in direct contact to remove the heat and humidity from the building. After water comes in contact with air, it starts to reduce temperature; as a result, a small amount of water is evaporated, thereby reducing temperature.
Q2. Why should I use a cooling tower?
The machines at factories and manufacturing units generate a tremendous amount of heat which needs to be cooled down for operating efficiently. The most cost-effective way of maintaining machines is by installing a cooling tower.
Q3. How many types of cooling towers are there?
We offer 3 types of cooling tower
Tower Tech’s crossflow cooling tower is one of the widely used cooling towers in the industries. In the crossflow cooling- air flows via the fills in the horizontal direction, and water flows down in vertical direction. The cooling tower has splash type fillings that hold the higher suspended particles.
Application of crossflow cooling tower
Rectangular/Square Cooling Tower
Tower Tech’s square/rectangular cooling tower comes in different capacities and shapes. This type of cooling tower operates according to the COUNTERFLOW COOLING TOWER principle, where air flows vertically through the fitted fillings at the top while the water flows downward. In a rectangular cooling tower, an induced draught fan is attached to the motor which pulls in air to draft it upwards leading to faster cooling of the air. Less pressure and circulation required for cooling.
Benefits of Square Cooling Tower
The round cooling tower has a unique design and outstanding technology. Because of the round shape, the airflow inside the cooling tower is uniformly distributed. The hot water inlet fitted at the bottom flows water to the mechanical rotary sprinkler. The inlet water pressure rotates the sprinkler, featuring arm pipes with orifices to evenly disperse water to the fill. The evaporated water removes the excess heat from the rest of the water.
The Bottle or Round cooling tower stands apart from the rest because of compact design and varying flute sizes to offer maximum heat transfer.
Benefits of Round Cooling Tower
Tower Tech offers the best INDUSTRIAL COOLING TOWERS that are fanless and fill less. This type of cooling system don’t have fans and fills. To restrict the water spillage, wooden louvers are used on the sidewalls of the cooling towers. The cooling of water takes place from the outside wind that enters into cooling towers and acts as a cooling medium. The hot water is sprayed on the top of the cooling tower with spray nozzles.
Benefits of Fanless, Fill less Cooling Tower
Q4. How much does a cooling tower cost?
The price of cooling towers starts from INR 20,000 and ranges up to 2 lakh depending on the structure, features, and application. The cost varies as per industrial cooling towers manufacturers.
Q5. Why do cooling towers require maintenance?
A well-maintained cooling tower will work with original optimum efficiency, keeping energy costs low.
Lubricating fan shaft bearings every three months is required to maintain the proper functioning of the cooling system.
Annual maintenance of cooling towers by professionals will help in the following ways.
Cooling Tower is a heat exchanger system that is essential in factories, and manufacturing units to remove excess heat and from the building and facilitate machines to run smoothly.
Hello,
Its time for some updates on the subject. None of this is new, just new to me.
I want to make it clear, the Cross flow open coolant system works, and if the radiator cap is working and the recovery tank coolant level is kept adequately for cool down return, and all the functions of the radiator cap are working, the open loop system works very well.
My reading about the merrits of the closed loop system has convinced me that the purpose of it is to eliminate many of the points of failure of the radiator cap.
My research has also shown that plastic expansion tanks and the pressure caps can have a high failure rate, depending on quality. These can have a greater failure rate than an open system. A plastic expansion tank will leak from its seams and caps will fail allowing boil-off. You should usually see evidence of this from pooling or seeing coolant level loss in the tank. When possible, buy OEM quality for these.
Another option is use a metal surge/expansion tank and pressure cap. These have the advantage of absolute reliability and caps are available in a variety of pressure rates.
The open system can be a silent killer failing to drawback overflow or a cracked cap gasket letting loose at the worst possible time. (ask me how I know)
Pick your poisons.
The only engines Caterham have used open systems on have been the Kents.
I am not pursuing a metal tank now but if I did,
https://www.carbuilder.com/uk/horizontal-header-tank-bottom-brackets
https://www.carbuilder.com/uk/horizontal-header-tank-rear-brackets
And there are other good tanks.
Moving on...
I have sourced some new parts for the closed conversion:
Amazon, of course
And:
The company is the world’s best Crossflow Fill supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.
Fiesta Mk2/3/4 PN:
Samco Sport Hose kit:
The hose kit comes with 3'7" x 5/8" heater hose, perfect for the smaller expansion tanks. That length is the length from the rad mount to the footwell shelf edge. Maybe a little short for a scuttle mounted bottle to a lower hose Tee, but adequate for anywhere else. No top bleeder hose.
https://samcosport.com/product-category/car-kits/caterham-7/
Lets discuss this tank, the Rover series 200 & 400, PN: EAP, and its cap, Rover PCD.
It was used by Caterham on the K Series, Sigma and early Duratecs and mounted on the front top chassis cross tube. It's a fine tank but I found the Crossflow is mounted too far forward to use it on the provided brackets. The hoses would be touching and there may be a height problem too. If mounted high enough to clear the Fiesta TH, would it clear and fit under the nose?
Plenty of room for the K
Others have been able to use the 200/400 tank on the scuttle.
Notice the cap appears to not be the standard Rover cap.
Notice the fiesta thermo housings used.
Where do those "7" branded cases come from?
I like this Rover 200/400 tank but it's getting hard to source.
The pressures for the Rover caps are ideal, in the 100 bar, 16 psi range, and the mid point fill volume is 20oz. I would prefer a taller and narrower tank to keep slosh away from the cap. 5/8" outlet.
Failing other options,I will use it.
The Rover 600:
Used by Caterham and Lotus. Uses aforementioned Rover cap.
Also used on the Lotus Elise. There's your cool Lotus connection.
I really like this tank, but those stubby legs are worrisome to me.
Cat parts still has the bracket
The 600s close cousin, the Rover 25:
Longer legs are probably an improvement.
The ubiquitous Land Rover Freelander:
Used by CC on everything after the Rover 600 tank.
The mount for this crews into the boss in the center of the top cruciform.
You always wondered what the was for, didn't you?
There are other options..
The Westfield standard appears to be Opel Corsa:
The Dacia Duster / Renault Kangoo
I heard from one other L7C member that uses this tank on his/hers BDR.
21psi cap.
I found some other miscellaneous Crossflow applications:
Birkin, I believe. Anyone know this tank?
As for how to plumb, the tank flow is top to bottom. The top inlet nipple is usually plumbed to a high point such as a radiator air bleed or thermostat housing.
The bottom outlet is usually plumbed to the cold side between the radiator and pump inlet. It needs to be on a suction part of the circuit where coolant will be drawn out of the tank and thus, pulling air & coolant from the bleed hose location which no longer needs to be the high point, but it helps.
On a Crossflow, if the pump heater inlet pipe is available, use it. If a heater is plumbed, tap into the return hose going to the pump. If running a straight line from the carb manifold to the pump, tee into that. But not if using a coolant controlled carb choke. If neither heater circuit is available, tee into the lower radiator hose.
Because an expansion tank is never completely filled, the air gap retains the purged air (closed) and excess pressure is vented out the cap, which should be the highest point of the system.
The coolant is allowed to expand and retract and contain sudden acceleration surges within in this vessel.
In the UK, Crossflow closed system kits have been sold by Arrowstar and James Whiting.
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