B-Tohin Machine (Jiangsu) Co., Ltd.
Professional Manufacturer of Various Kinds of Blowers
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11KW-45KW High Pressure Three Lobes Roots Blower for Multipurpose Use
1 Company Introduction
B-Tohin Machine (Jiangsu) Co., Ltd. is a Sino-foreign jiont venture which founded in November 1994. The
conpany is working on producing and selling three lobes roots blower and other blowers such as HC low
noise rotary blower, vacuum pump, centrifugal blower and air bearing turbo blower.
2 Product Introduction
BK Type Three Lobes Roots Blower
(1) Helical type timimg gears for smooth operstion
(2) Compact, same structure of inlet and outlet for flexibity of installation
(3) Bearing structure is reasonable for long service life
(4) Integral structure of impeller and shaft, avoids the shortcomings of split structure
(5) Low noise and vibration, compact and economical energy consumption
3 Blower Working Prinsiple
Roots Blower is a cubage blower, and it discharges a fixed amount of air in proportion to its rotation speed.
Two parallel shafts have three lobes each, all the lobes keep small clearance with each other and housing
inside. Every lobes rotation, a certain air will be absorbed at inlet and transferred from the housing inside
surface to blower discharge 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 characteristics: simply configuration; running
smoothly; good performance stabilization. It has been widely applied in various industries.
4 Boundary dimension
5 Inlet airflow(m3/min) and shaft power(KW) at different conditions
| Model | Port Dia (MM) | Speed | Inlet airflow (m3/min)and shaft power(KW) | |||||||||
| 0.1kgf/cm2 | 0.2kgf/cm2 | 0.3kgf/cm2 | 0.4kgf/cm2 | 0.5kgf/cm2 | ||||||||
| 1000mmH2O | 2000mmH2O | 3000mmH2O | 4000mmH2O | 5000mmH2O | ||||||||
| 0.01Mpa | 0.02Mpa | 0.03Mpa | 0.04Mpa | 0.05Mpa | ||||||||
| rpm | m3/min | KW | m3/min | KW | m3/min | KW | m3/min | KW | m3/min | KW | ||
| BK6015 | 150 (6") | 850 | 16.66 | 4.61 | 15.65 | 8.08 | 14.89 | 11.00 | 14.23 | 13.94 | ||
| 1000 | 20.02 | 5.43 | 19.01 | 9.5 | 18.25 | 12.94 | 17.6 | 16.4 | 17.04 | 20.39 | ||
| 1150 | 23.38 | 6.24 | 22.37 | 10.93 | 21.61 | 14.88 | 20.96 | 18.86 | 20.40 | 23.45 | ||
| 1250 | 25.62 | 6.78 | 24.61 | 11.88 | 23.85 | 16.18 | 23.2 | 20.50 | 22.64 | 25.49 | ||
| 1400 | 28.99 | 7.60 | 27.98 | 13.30 | 27.21 | 18.12 | 26.56 | 22.96 | 26.00 | 28.55 | ||
| 1500 | 31.23 | 8.14 | 30.22 | 14.25 | 29.46 | 19.41 | 28.81 | 24.60 | 28.25 | 30.59 | ||
| 1650 | 34.59 | 8.96 | 33.58 | 15.68 | 32.82 | 21.35 | 32.17 | 27.05 | 31.61 | 33.65 | ||
| 1800 | 37.95 | 9.77 | 36.94 | 17.10 | 36.18 | 23.29 | 35.53 | 29.51 | 34.97 | 36.71 | ||
6 Applications
The blower applies in purificating and sediment stirring for water treatment plant, combusting and promoting exhaust, compost ferment, plating bath, coal gas firebox, air liquid rise pump, pound oxygen providing, imprinter paper feeding, sandblast, atomizer, pressure machine, sauna, backwash, provide waterish condition, produceline drying, food transportation, powder and grain transportation, special gas and so on.