B-Tohin Machine (Jiangsu) Co., Ltd.
Professional Manufacturer of Various Kinds of Blowers
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About BK
BK Roots Blower is a kind of product designed and manufactured according to the national standards and by the techniques introduced from America. This type blower is featured with simple structure and high cubage efficiency.
Specifications:
| Model | BK6005 |
| Air capacity | 3.84m3/Min-12.74m3/Min |
| Discharge differential pressure | 10-80KPA |
| Rotary speed | 850rpm-1800rpm |
| Motor type | 1.5KW-22KW 380/400/415/440V, 3PHASES, 50/60HZ |
| Motor brand | Standard: Siemens Beide or Wannan motor Siemens and ABB motor for your option |
| Installation type | Standard: horizontal type. Vertical type available for your option |
| N.W. of blower without motor | 275 kg |
| Packing size Approx. | 1500mm*1050mm*1750mm (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 made of QT500 for safe and smooth running 4. Adopt imported oil seals made from fluoric rubber with perfect wear resistance and high-temperature resistance. 5. Low noise, low vibration and energy consumption. |
Parameter
| Type | Port Dia | Speed | Inlet airflow(m3/min)and shaft power(KW)at different conditions | |||||||||||||||
| 10kpa | 20kpa | 30kpa | 40kpa | 50kpa | 60kpa | 70kpa | 80kpa | |||||||||||
| rpm | m3/min | KW | m3/min | KW | m3/min | KW | m3/min | KW | m3/min | KW | m3/min | KW | m3/min | KW | m3/min | KW | ||
| BK6005 | 80(3'') | 850 | 5.44 | 1.69 | 4.97 | 3.01 | 4.63 | 3.98 | 4.33 | 4.97 | 4.07 | 6.12 | 3.84 | 7.28 | ||||
| 1000 | 6.59 | 1.99 | 6.13 | 3.54 | 5.78 | 4.69 | 5.48 | 5.85 | 5.23 | 7.20 | 5.00 | 8.56 | 4.77 | 9.65 | 4.58 | 10.94 | ||
| 1150 | 7.74 | 2.29 | 7.28 | 4.08 | 6.93 | 5.39 | 6.63 | 6.72 | 6.38 | 8.28 | 6.15 | 9.84 | 5.93 | 11.09 | 5.74 | 12.59 | ||
| 1250 | 8.51 | 2.49 | 8.05 | 4.43 | 7.70 | 5.86 | 7.40 | 7.31 | 7.15 | 9.01 | 6.92 | 10.70 | 6.70 | 12.06 | 6.50 | 13.68 | ||
| 1400 | 9.66 | 2.79 | 9.20 | 4.96 | 8.86 | 6.56 | 8.56 | 8.19 | 8.30 | 10.09 | 8.07 | 11.98 | 7.85 | 13.51 | 7.66 | 15.32 | ||
| 1500 | 10.43 | 2.98 | 9.97 | 5.32 | 9.63 | 7.03 | 9.33 | 8.77 | 9.07 | 10.81 | 8.84 | 12.84 | 8.62 | 14.47 | 8.43 | 16.42 | ||
| 1650 | 11.59 | 3.28 | 11.12 | 5.85 | 10.78 | 7.73 | 10.48 | 9.65 | 10.23 | 11.89 | 9.99 | 14.12 | 9.77 | 15.92 | 9.58 | 18.06 | ||
| 1800 | 12.74 | 3.58 | 12.28 | 6.38 | 11.93 | 8.44 | 11.63 | 10.53 | 11.38 | 12.97 | 11.15 | 15.41 | 10.92 | 17.36 | 10.73 | 19.70 | ||
Features:
1. Helical type timing gears for smooth operation
2. Compact, flexibility in installation gives users more choices.
3. Integral structure of impeller superior to split structure, more stable in power transmission
4. Adopt imported oil seals made from fluoro rubber, which is of reliable wear resistance and high-temperature resistance.
5. Small vibration and economical energy consumption.
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.
Blower Structure
Application
