B-Tohin Machine (Jiangsu) Co., Ltd.
Professional Manufacturer of Various Kinds of Blowers
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Roots Air Compressor with Pressure 10-70KPA for waste water treatment
Cast Iron Lobe Roots Blower, Roots Air Compressor, Pressure 10-70KPA
B-Tohin is a professional manufacturer that producing cast iron lobe roots blowers. And we have independent research department to design and make new products according to clients’ special requirement.
Specifications:
| Model | BK7011 |
| Air capacity | 10.90-31.51m3/min |
| Discharge differential pressure | 10-70KPA |
| Rotary speed | 700-1500rpm |
| Motor type | 5.5KW-45KW 380/400/415/440V, 3PHASES, 50/60HZ, frequency motor also available |
| 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 |
| Color | Customized, standard of RAL6011 |
| N.W. of blower without motor | 477 kg |
| Packing size Approx. | 1.8*1.3*2.1m (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 superior to split structure, more stable in power transmission
4. Adopt imported oil seals made from fluoro rubber, which is of perfect wear resistance and high-temperature resistance.
5. Small vibration and economical energy consumption.
Parameter sheet
| Model | Port Dia (MM) | Speed | Inlet capacity (m3/min)and shaft power (KW) | |||||||
| 0.1kgf/cm2 | 0.2kgf/cm2 | 0.3kgf/cm2 | 0.4kgf/cm2 | |||||||
| 1000mmH2O | 2000mmH2O | 3000mmH2O | 4000mmH2O | |||||||
| 0.01Mpa | 0.02Mpa | 0.03Mpa | 0.04Mpa | |||||||
| rpm | m3/min | KW | m3/min | KW | m3/min | KW | m3/min | KW | ||
| BK7011 | 150(6") | 700 | 13.57 | 3.77 | 12.67 | 6.60 | 11.97 | 8.98 | 11.41 | 11.87 |
| 850 | 16.93 | 4.57 | 16.03 | 8.01 | 15.34 | 10.90 | 14.78 | 14.41 | ||
| 1000 | 20.29 | 5.38 | 19.40 | 9.42 | 18.70 | 12.83 | 18.14 | 16.95 | ||
| 1150 | 23.66 | 6.19 | 22.76 | 10.84 | 22.07 | 14.75 | 21.50 | 19.50 | ||
| 1250 | 25.90 | 6.73 | 25.00 | 11.78 | 24.31 | 16.03 | 23.75 | 21.19 | ||
| 1400 | 29.26 | 7.53 | 28.37 | 13.19 | 27.67 | 17.96 | 27.11 | 23.73 | ||
| 1500 | 31.51 | 8.07 | 30.61 | 14.13 | 29.91 | 19.24 | 29.35 | 25.43 | ||
| Model | Port Dia (MM) | Speed | Inlet capacity (m3/min)and shaft power (KW) | |||||||
| 0.5kgf/cm2 | 0.6kgf/cm2 | 0.7kgf/cm2 | 0.8kgf/cm2 | |||||||
| 5000mmH2O | 6000mmH2O | 7000mmH2O | 8000mmH2O | |||||||
| 0.05Mpa | 0.06Mpa | 0.07Mpa | 0.08Mpa | |||||||
| rpm | m3/min | KW | m3/min | KW | m3/min | KW | m3/min | KW | ||
| BK7011 | 150(6") | 700 | 10.90 | 14.94 | ||||||
| 850 | 14.26 | 18.14 | 13.81 | 21.65 | ||||||
| 1000 | 17.63 | 21.35 | 17.18 | 25.47 | 16.75 | 27.14 | ||||
| 1150 | 20.99 | 24.55 | 20.54 | 29.30 | 20.11 | 31.21 | ||||
| 1250 | 23.23 | 26.68 | 22.78 | 31.84 | 22.36 | 33.92 | ||||
| 1400 | 26.59 | 29.88 | 26.15 | 35.66 | 25.72 | 37.99 | ||||
| 1500 | 28.84 | 32.02 | 28.39 | 38.21 | 27.96 | 40.70 | ||||
Structure of blower main body
| No. | Part Name | Qty. |
| No. | Part Name | Qty. |
| No. | Part Name | Qty. |
| 1 | Footing | 2 |
| 9 | Left end cover | 1 |
| 17 | Oil tank | 1 |
| 2 | Hexagon bolt | 4 |
| 10 | Round pin | 4 |
| 18 | Gear | 2 |
| 3 | Antidust seal | 1 |
| 11 | Casing | 1 |
| 19 | Key | 2 |
| 4 | Drive impeller | 1 |
| 12 | Oil seal | 4 |
| 20 | Axial sleeve | 2 |
| 5 | Drive end bearing | 2 |
| 13 | Right end cover | 1 |
| 21 | Gear end bearing | 2 |
| 6 | Driven impeller | 2 |
| 14 | Bolt | 16 |
| 22 | Bearing plate | 2 |
| 7 | Dust cover | 1 |
| 15 | Breather | 1 |
| 23 | Adjustable pad | several |
| 8 | Grease nipple | 2 |
| 16 | Bolt | 8 |
| 24 | Magnetic nut | 1 |
Assembling drawing of blower package
Standard supply of scope
1. bare shaft blower
2. relieve valve
3. wafer check valve (slim type)
4. inlet silencer(with air filter)
5. discharge silencer
6. public base (with belt cover)
7. rubber flexible joint and shock absorber
8. motor pulley
9. pressure meter
10. V-belt
11. bolts and nuts and other connection parts
12. electric 3 phase motor