cooling towers
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What is Professional Cooling Tower ?How to Select Cooling Tower ?TRANSCRIPT
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National Cooling Towers
Quality Certified Company
Selection of right Cooling Towers and Chillers Selection of right Cooling Towers and Chillers Selection of right Cooling Towers and Chillers Selection of right Cooling Towers and Chillers Selection of right Cooling Towers and Chillers Selection of right Cooling Towers and Chillers Selection of right Cooling Towers and Chillers Selection of right Cooling Towers and Chillers for your hot water processing in plantfor your hot water processing in plantfor your hot water processing in plantfor your hot water processing in plant....
Leading Manufactures ,Suppliers And Exporters Of
COOLING TOWERS and CHILLING PLANTSCOOLING TOWERS and CHILLING PLANTSCOOLING TOWERS and CHILLING PLANTSCOOLING TOWERS and CHILLING PLANTS
.Emails: [email protected] and [email protected] or Phone : +91 98330948371
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Name of CEO : Mr. S. Chandrashekhar
Establishment Year : 1990
Business Type : Manufacturer & Merchant Exporter
No. of Employees : 100-150
Annual Sales : 8 to 10 Core INR.
Market Cover :All over India and World Wide Markets mainly Africa and Middle East
Company Information
Market Cover :East
Products We Offer :
FRP Cooling Towers, Cooling Towers, Air Cooled and Water Cooled Chilling Plants, Brine Chillers & Air Blast Coolers etc.
Emails: [email protected] and [email protected] or Phone : +91 98330948372
Member Of :
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Product Range Capacity
a) FRP Induced Draught Cooling Towers 03 to 1000 TR
b) Timber Cross Flow & Counter Flow Cooling Towers 25 TR and Above
c) RCC Mechanical & Hyperbolic Cooling Towers 1000m3 / hr and Above as require
d) Air Cooled Chilling Plants 01 TR To 50 TR
e) Water Cooled Chilling Plants 03 TR TO 350 TR
Our Product Range
f) Oil Chillers 01 TR TO 50 TR
g) Air Blast Coolers 5 KW Upwards
h) Industrial Screw Chillers 50 TR to 500 TR
i) Multi Compressor Chillers ( Tandom Chiller) 50 TR to 80 TR
j) Brine Process Cooling System ( Brine Chiller) 1 TR and Above as require
i) Screw Compressor Chiller Above 50 TR
Emails: [email protected] and [email protected] or Phone : +91 98330948373
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01. HVAC02. Steel Plant.
03. Chemical & Fertilizer industries
04. Cement Industries.
05. Pharmaceutical Industries
06. Machine Building Industries.
07. Petroleum Industries
14.14. Air Compressions.
15. Oxygen Plants.
16. Breweries & Distilleries.
17. Forgings Industries.
18. Paper Industries.
19. Textile Industries.
20. Food Processing Industries.
21. Sugar Industries.
We are supplying to process industries like
Emails: [email protected] and [email protected] or Phone : +91 98330948374
08. Air Condition & Refrigeration Plant.
09. Plastic & Rubber Industries.
10. Automobile Industries.
11. Induction Furnaces.
12. Process Plants.
13. Glass Industry.
21. Sugar Industries.
22. Anodizing
23. D.G. Sets
24. Power Plants
+ many more process industries where hot water is need to be cool for process
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Incepted in the year 1990, we at National Cooling Towers (ISO 9001:2008 certified company), have
become one of the recognized firm engaged in designing manufacturing and erection of an exclusive
range of reliable, tailor-made Water Cooling Towers (FRP Induced Draft Counter Flow, Timber
Induced Draft Cross and Counter Flow, RCC Induced Draft Cross and Counter Flow )
plus Air Blast Coolers and Air and Water Chilling Plants.
Owing to our state-of-the-art manufacturing unit comprising latest machinery, we are able to fabricate
high quality Cooling Towers & Air Blast Coolers and Chilling Plants as per CIT-USA,CE and
ISO 9001:2008 standards. We undertake site supervision, erection, testing & commissioning. Our
Emails: [email protected] and [email protected] or Phone : +91 98330948375
ISO 9001:2008 standards. We undertake site supervision, erection, testing & commissioning. Our
experience and qualified sales and service staff work in partnership with you to provide technical advice
and field service support.
National Cooling Towers pays great attention to detail, using only high quality materials and
submitting the produced machines and equipments to numerous checks and inspections. In this way, we
are succeeding in combining reliability, high technology and simplicity of use with Zero maintenance.
We have a symbolic presence across the globe in the industry as our supplies of Cooling Towers have
touched more than 60000 and Chilling Plants more than 5000. Products deployed across the India
and globe in high-profile customers.
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National Cooling Tower make FRP Cooling Tower Detail ViewNational Cooling Tower make FRP Cooling Tower Detail View
Approved by
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Cooling Tower - Classification
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National Cooling Tower ( Single Cell) Block Diagram
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National Cooling Tower ( Twin Cells) Block Diagram
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Approved by
National Cooling Tower make Air and Water Chillers Detail View
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Why We Are ( Techno Commercial Compliance as per Your Expectations )
State-of-the-art infrastructure
1) We are using raw materials that have the appropriate properties and high quality are attractive and a necessity to ensure that the end product maintains a high standard and is suitable for its purpose.
2) 38000 + Satisfied Clients
3) GREEN BUILDING Installations
4) Major Exports in Africa, Middle East and Europe.
5) The demands are high, the problems varied. Our aim? To deliver a perfect product that meets very
exacting specifications.
6) Cooling System Design as per your requirement.
7) Cooling Towers are FRP make, having zero maintenance.
8) A close approach Next Page
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Why We Are ( Techno Commercial Compliance as per Your Expectations )
9)Greater thermal efficiency
10)Higher energy saving
11)Ease of maintenance
12) Lower Drift Loss
13)Option for Cooling Towers with Centrifugal Fans for Noiseless Operation
14)Longer working life for fans and motors, since handling dry air
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15)Supply & Install at your site.
16)Upgrade/Reconstruction advised by our expertise.
17)Reconditioning as per your requirement.
18)Maintenance, repair and operations ( MRO)
19)Performance Testing & Vibration Analysis
20)Inspection Support and Training
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A) National Induced Draft Counter Flow Cooling Tower:- A) Other Cross Flow Cooling Tower
In the Induced Draft Counter Flow, always the dry air is in contact with the cool water emerging out from the PVC fills. That means when the air passes through the PVC fills the proper water to air contact occurs and the water evaporate. Thus it loses it heat energy and the moist air is thrown out which will not be re-circulating because the total height of the cooling tower is maintained for the fresh air to flow from the bottom.
It is a known fact that the cross flow cooling towers have theair entry from sides throughout & the distribution pans kept above the heat transfer area from the pan the hot water flow through the holes provided. The first layer of hot water which is falling down get in contact with the fresh dry air. It then extracts heat from the hot water and becomes moist and allows hot water to evaporate. Then hot water loses its heat and is collected in the basin. The second layer of hot water which is also flowing from the pan comes in contact with the same air which is moist and is with higher temperature. The rate of evaporation decreases and the water is not collected to the design outlet
Why Counter Flow is always better than Cross Flow. Page 1 based on Practical ( Important points to be consider before buying)
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and the water is not collected to the design outlet temperature because the approach decreases inside the cooling tower which effects the other layers of water & as the air passes inside the efficiency decreases & when the cold water is collected from the basin the temperature of water shall be the mean temperature of all the layers.
Induced Draft Counter Flow Cooling Tower:-The moist air thrown out through the fan stack takes a chance in re-circulating through the air entry sides because of high velocity and the low fan stack height. So always cross flow cooling towers does towers does require higher installed power then counter flow cooling tower. NATIONAL Cooling Tower required 1Ft. to 3Ft. clear space on each side. This results in considerable space saving.
Cross flow cooling tower have air inlet through louvers onsides and the air discharge is on the top. For properperformance of the tower above 6Ft. to 7Ft. clear space isrequired in front of the fan. For air inlet
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There are no louvers in NATIONAL Cooling Towers. Cross flow cooling tower have louvers. This increase maintenance of the towers and the static pressure drop. Also the louvers are prone to breakage and therefore have to be replaced.
NATIONAL do not have water distribution exposed to the atmosphere.
Cross flow cooling towers have water distribution on top & header type which is exposed to sun. Due to this, chances of algae formation are increased. Also because of the exposed water distribution, dust tends to settle on the top and is circulated with cooling water. The dust and algae tend to depositing in air condenser chiller and compressor jackets, affecting heat transfer whereby discharge pressure will be more effects the performance of the air-conditioning plants.
NATIONAL Cooling Towers have Two inspection cumservice windows. Through these windows the waterspray and the PVC Fills packs can be observed andcorrective action if required can be taken immediately.Through these windows packs can be removed easily for
The removal of packs in cross flow cooling tower is very cumbersome & time consuming.
Why Counter Flow is always better than Cross Flow. Page 2 based on Practical ( Important)
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Through these windows packs can be removed easily forcleaning without disturbing the casing of the tower.NATIONAL FRP Cooling Tower is very compact and verylight weight.
Space requirement for cross flow cooling tower compare to NATIONAL FRP Cooling Tower is more
For National Cooling Towers Service & Maintenance is considerably reduced because fan is the only moving part in the cooling tower. The fills eliminator can easily be approached from the inspection window without disturbing the cooling tower casing.NATIONAL Cooling Towers have totally FRP casing. FRPmaterials are corrosive proof and does not warp anddeteriorate and very compact, height, weight and userfriendly by increasing the total efficiency of the systemsby ensuring the air flow from all the four sides from thebottom portion and bringing proper contact betweenwater film and air stream.
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Sr. No FRP Induced Draught Counter Flow Cooling Tower
Natural Draught Fan Motor Less Cooling Tower
1 Dissipation of latent heat load guaranteed during any climatic conditions.
Can not guarantee dissipation of latent heat load. The dissipation depend upon wet and dry bulb temperature.
2 Desired temperature dropped guaranteed.
The temperature dropped is not constant and temperature dropped can not be achieved.
3 Evaporation and drift losses are maximum 0.80% to 1.00% on your circulation of flow rate.
Evaporation and drift losses percentage average around 2.00% to 2.50% on circulation of water flow rate or even more depending upon atmospheric seasonal wet and dry bulb temperature and due to wind velocity and height of Cooling Tower.
4 Less area required and limited height. Required more area and higher height.
Comparative Evaluation Study between FRP Induced Draught Counter Flow Cooling
Tower and Natural Draught Fan Motor Less Cooling Tower ( Important)
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4 Less area required and limited height. Required more area and higher height.5 Due to limited height the pump head is
also required less in capacity.Height is more. The pump head is also required in higher capacity.
6 Energy saving due to limited height, single header with 1/2 dia Spray Nozzles minimum quantity of Nozzles required.
Energy required more to keep constant pressure for multiple water distribution header and multiple No. of Nozzles required to spray the water to achieve breakage of water.
7 Foreign particles accumulated is negligible due to enclose body of Cooling Tower.
Maximum open area. The accumulation of foreign particles is higher percentage, due to this Air-contaminated foreign particles the efficiency of Cooling Tower decreases day by day and chance of getting clogged of your process system incase any solid structural particles come into contact of inside of Cooling Tower.
8 Cooling Tower efficiency guaranteed throughout working performance due to mechanical draught system.
No guarantee of performance due to Natural Draught climatic condition.
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SQUARE SHAPED BOTTLE (ROUND) SHAPEDNational design Cooling Tower is ONE peace mould construction. Square shaped the uniform thickness are maintained. We provide Pyramid type dome.
No. of segments are 10 to 12 and above casing. These segments are bottled shaped and neck type dome there are always possibilities of uneven thickness of casing.
Fix header water distribution system has uniform water distribution without loosing the pressure dropped due to fixed header system. No tension bar and no Ball Bearing are required.
The round shaped Cooling Tower consists of Rotary Sprinkler assembly with Ball Bearing System and Metal Tension Bar. The Cooling Tower water always contaminated with CaCo3. Due to contaminated water the bearings are likely to get jammed, corroded, worn out faster and over a period of used the tension of spring also get loose and its likely the reduces the desired ROTATION.
Fix header water distribution system with water inlet on the top and outlet in the basin is easy to maintain within limited time.
The water distribution system is on the bottom. To maintain this system is very difficult and consuming maximum time for servicing due to Arm Pipe gravity pressure system.
F Installation of the square shaped Cooling Tower is simple and easy. The Cooling Tower without FRP Basin can be rested on RCC basin. No chances of vibration, since the entire Cooling Tower rest on RCC basin, which maintain the uniform load distribution.
Installation of Bottled shaped Cooling Tower are provided with V bar metal support and in turn the V bar metal support are rested on RCC Pillars, Leaving the entire Cooling Tower hanging above the RCC Surface floor with the result the chances of vibrations are more.
To maintain Square Shaped Cooling Tower any of your workers can do the job due to the simple system.
You need to call trained personnel of Cooling Tower Company only.
COMPARATIVE STUDY BETWEEN Square Shaped and Bottle or Round Shape Cooling Towers
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do the job due to the simple system.Nozzles are provided with 2.5 Diameter the turbulence effect for water spray is absolute uniform over the Fills area. No possibilities of air pocket development.
With Rotary system water is just dropping from PVC Arm pipes with thick layer of water without getting water sprayed over the fills area, the chances of air pocket developments are maximum. Due to rotation of sprinkler Arms is being obstacle for dissipation of heat load generated in the Cooling Tower area. Due to the pressure drop the load increases on the fan to dissipate the heat load generated in the Cooling Tower with the result motor get tripped off frequently.
ABS 2.5 Dia Nozzles reduces frequency of clogging.Wide spray angle.Easy lock installation and Nozzles removal need no tools.Fills placement is uniform due to the square shaped of Cooling Towers.
F Fills placement is not uniform due to round shaped. To place the fills on round shaped is uneven and to fill the gap the fills segments are cut and placed with the result its likely that air pockets develop and as a result Tower efficiency is reduced.
Maintenance is easy due to easy access through window and can be carried out even when the Tower is in operation.
Maintenance is difficult due to fixed system of all components. No window is provided. Maintenance job cannot be carried out while the Tower is in operation.
To maintain Square shaped Cooling Tower any of your maintenance personnel can carry out the maintenance job.
You need to call trained personnel from the supplier of Cooling Tower.
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01. HVAC02. Steel Plant.
03. Chemical & Fertilizer industries
04. Cement Industries.
05. Pharmaceutical Industries
06. Machine Building Industries.
07. Petroleum Industries
14.14. Air Compressions.
15. Oxygen Plants.
16. Breweries & Distilleries.
17. Forgings Industries.
18. Paper Industries.
19. Textile Industries.
20. Food Processing Industries.
We are supplying to process industries like
Emails: [email protected] and [email protected] or Phone : +91 983309483720
07. Petroleum Industries
08. Air Condition & Refrigeration Plant.
09. Plastic & Rubber Industries.
10. Automobile Industries.
11. Induction Furnaces.
12. Process Plants.
13. Glass Industry.
20. Food Processing Industries.
21. Sugar Industries.
22. Anodizing
23. D.G. Sets
24. Power Plants.
Plus many more process industries where hot water is need to be cool for process
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Contact Information
National Cooling TowersContact Person: Vishwesh RajguruOffice:24 & 26,Amrapali Industrial Estate, Ram Mandir Road, Goregaon (W),Mumbai-400104, Mumbai, MH,INDIAMH,INDIA
Works: 148/2,GIDC,Umbergam,Gujarat, INDIA
Office Telephones: +91 22- 26765010 or 11 or 12 | Fax: +91-22-26765013Cellular: +91 9833094837 and +91 7506657552
Emails: [email protected] or [email protected]
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National Cooling Towers
Emails: [email protected] and [email protected] or Phone : +91 983309483722