Sewage Treatment Three Lobe Roots Blower Water Cooling Long Life
Areation Water Cooling Roots Air Blower BKW6005 At 60-100 Kpa Long Life
About BKW
BKW seires Roots Blower inherits most components from BK series, it adopts water cooling in bearing cover, which can reduce the temperature of bearing when working and prolong the longevity, also it has a larger pressure capability.
Roots blowers are used to aerate raw sewage and industrial organic waste. The aeration drives the digestion of the waste by microorganisms. Roots blowers are also used for grit tank cleaning, filter flushing, backwashing and the recovery of gases. Oil-free roots blowers are used for deep cell aeration.
Specifications:
| Model | BKW6005 |
| Air capacity | 4.04m3/Min-10.27m3/Min |
| Discharge differential pressure | 60-100KPA |
| Rotary speed | 850rpm-1800rpm |
| Motor type | 5.5-7.5/11-15/18.5-22KW 380/400/415/440V, 3PHASES, 50/60HZ |
| Installation type | Standard: horizontal type. Vertical type available for your option |
| N.W. of blower without motor | 275 kg |
| Packing size Approx. | 1.50*1.05*1.75m (length*width*height) |
| Features | 1. Helical type timing gears for smooth operation 2. Compact, flexibility in installation gives users more choices. 3. Integral structure of impeller and shaft 4. Adopt imported oil seals made from fluoric rubber with bettr wear resistance and high-temperature resistance. 5. Low noise, low vibration and energy consumption. |
Parameters
| Type | Port Dia | Speed | Inlet airflow(m3/min)and shaft power(KW)at different conditions | Cooling Water | |||||||||
| 60kpa | 70kpa | 80kpa | 90kpa | 100kpa | |||||||||
| rpm | m3/min | KW | m3/min | KW | m3/min | KW | m3/min | KW | m3/min | KW | L/min | ||
| BKW6005 | 80(3'') | 850 | 3.54 | 7.13 | 3.34 | 8.04 | 5 | ||||||
| 1000 | 4.60 | 8.39 | 4.40 | 9.45 | 4.22 | 10.73 | 4.04 | 12.00 | |||||
| 1150 | 5.67 | 9.65 | 5.46 | 10.87 | 5.29 | 12.33 | 5.10 | 13.80 | |||||
| 1250 | 6.38 | 10.49 | 6.17 | 11.82 | 5.99 | 13.41 | 5.81 | 15.00 | 5.65 | 16.59 | |||
| 1400 | 7.44 | 11.74 | 7.23 | 13.24 | 7.06 | 15.02 | 6.87 | 16.80 | 6.72 | 18.58 | |||
| 1500 | 8.15 | 12.58 | 7.94 | 14.18 | 7.76 | 16.09 | 7.58 | 18.00 | 7.42 | 19.90 | |||
| 1650 | 9.21 | 13.84 | 9.00 | 15.60 | 8.83 | 17.7 | 8.64 | 19.79 | 8.49 | 21.89 | |||
| 1800 | 10.27 | 15.10 | 10.07 | 17.02 | 9.89 | 19.31 | 9.71 | 21.59 | 9.55 | 23.88 | |||
Working Principle
Roots blower is a cubage blower, and it discharges a fixed amount of air in proportion to its rotation speed. Every rotation, there is two lobes to finish three times absorbing and dischargeing air. Compared with two lobes blower, it is of less air pulses, smaller load change, higher strength, lower noise and vibration.
Two paraller shafts have three lobes each, all the lobes keep small clearance with each other and housing inside. Every lobes rotatiomn, a certain air will be absorbed at inlet and transfeered form the housing inside surface to blower's diacharge port.
Two shafts will be turned by the timing gears, no any touching between lobes, so it can be turned at high speed without any lubrication inside. It has the following chaaracteristics: simply configuration; running smoothly;good performance stabilization. It has been widely applied in various industries.
Structure
Application
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