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NWT Round Cooling Tower

NWT Round Cooling Tower

NWT series counter flow induced draft cooling tower is designed with round type structure. Each part of the cooling tower is designed and made precisely and further permits easy installation and endurance. Capacity is available from 10 RT to 1000 RT.

Features

♦ High efficiency, save energy to the largest extent                 ♦ Fit with various environment changes in different indutries
♦ Matched equipment running normaly                                    ♦ Completely comply with national standards
♦ Fixed pipe with nozzle distribution                                         ♦ Three layers infill
♦ High efficiency drift eliminator


Components Instruction

Casing and Water Basin

Fiberglass reinforced polyester (FRP) is applied with water-resistance resin and high quality fiberglass mat. With good moisture, high gel,high strength, spray the gel-coat on FRP parts by machine and is thermal formed.


Fan & Driving System

All cooling tower fans with adjustable pitch blades are applied to being balanced, it operates stably and quietly. Material chosen are A.B.S, aluminum alloy for normal standard, F.R.P or stainless steel material available for option.Small capacity cooling tower adopts direct drive low noise fan. Bigger capacity fan equipped with Belt drive speed reducer or Gear box.    


Water Distribution

Using high coefficient rotating sprinkler head made of plastic or aluminum alloy could reduce the pressure of friction loss, and the water can be distributed evenly to achieve the max thermal cooling performance.
 

Fill Packing

Used high quality & improved performance PVC with good material, it is high cooling efficiency and anti-corrosive & UL V-0. The surface of infill is corrugated to increase the filling pitch to make sure that infill is clog-free and overcome the problem of water quality. Special material for option if high entering water temperature.
 

Frame

The framework is made of hot dip galvanized steel (HDGS), to makes the cooling tower in rust-free, durable and long service life.
 

Optional Accessories

♦ Noise reduction upgrade                      ♦ Anti-Freeze heater
♦ Vibration isolator & rubber mat             ♦ Stainless steel framework / bolts and nuts (304 / 316)
♦ High-temperature upgrade                   ♦ Dual-speed Motor & VFD motorAnti-Freeze heater


 

For more detailed description and specification, please click the above Download to get more information about NRT series counter flow cooling towers. 

Technical Specification of NWT Series Cooling Tower
 
Item  Water 
Flow 
(m3/h)
Dimension
(mm)
 Fan Water 
Pressure
(Kpa)
Weight (kg)
 Model Diameter Height Diameter 
(mm)
Motor 
(Kw)
Dry Wet
NWT-10 10 1170 2370 600 0.18 18 120 460
NWT-15 15 1170 2300 770 0.37 19 150 700
NWT-20 20 1400 2400 770 0.55 19 180 860
NWT-25 25 1650 2500 770 0.55 19 210 940
NWT-30 30 1650 2420 890 1.1 20 240 1450
NWT-40 40 1830 2500 890 1.1 20 310 1790
NWT-50 50 2100 2550 1200 1.1 21 350 1970
NWT-60 60 2500 3100 1200 1.1 25 660 2310
NWT-70 70 2500 3100 1200 1.1 25 670 2340
 
NWT-80 80 2500 3000 1450 1.5 26 690 2400
NWT-90 90 2950 3800 1450 1.5 28 700 2400
NWT-100 100 2950 3800 1450 1.5 29 720 2450
NWT-125 125 2950 3600 1750 4 31 1020 2750
NWT-150 150 3420 3800 1750 4 32 1080 2940
NWT-175 175 3420 3700 2120 5.5 32 1320 4010
NWT-200 200 4160 4320 2120 5.5 38 1880 4880
NWT-225 225 4160 4220 2400 7.5 38 2180 5670
NWT-250 250 4730 4520 2400 7.5 40 2280 5800
NWT-300 300 4730 4320 2700 11 42 3450 7660
NWT-350 350 5760 5150 2700 11 43 3610 7800
NWT-400 400 5760 5000 3200 11 45 4850 11300
NWT-450 450 5760 4690 3400 15 46 4950 11500
NWT-500 500 6600 5500 3400 15 52 5240 12800
NWT-600 600 7600 5700 3700 15 55 5900 14600
NWT-700 700 7600 5700 4050 18.5 56 6350 15500
 

 
 

Design condition:  
 

Entrance temp.  t1=37°C
Leaving temp.    t2= 32°C          
Wet bulb temp.  t
WB=28°C         
Dry bulb temp.   t
DB=31.5°C      
Atmospheric pressure=99.4 KPa

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