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The Fermenter Agitator BIOBULL®
Technical data
| Nominal power [KW] | Nominal voltage [V] | Frequency max [Hz] | Nominal current [A] |
| 11 | 400 | 50 | approx. 23 |
| Nominal speed [rpm] | Protection class motor | Circulation power [m3/h] *) of 1 propeller [Ø 2.650 mm] | Thrust [N] |
| approx. 38 | IP 54 | approx. 22.600 | approx. 7000 |
*) Circulation power in water, determined for comparative purposes
Dimensions and weights:
| Diameter of propeller | 2.650 mm or 1.500 mm (optional extra) |
| Required wall opening | shaft lining 600 x 600 mm or 500 mm diamter |
| Required floor opening for extraction of stirring shaft | 2.200 x 650 mm |
| Total weight | approx. 1.100-1.500 kg depending on realisation |
Height of bottom bearing support and length of stirring shaft according to dimensions of the fermenter
Materials
| Parts in the mixed zone (gas / manure) | stainless steel 1.4571 / AISI 316 (V4A) |
| Parts outside the tank | steel zinc-protected or painted / coated |
| Bottom bearing | silicon carbide slide ring fitting |
| Propeller (Ø 2.650mm) | high strength polymer with steel core |
| Propeller (Ø 1.500mm) | stainless steel 1.4301 / AISI 304 (V2A) |
| Acoustic emission | 56 +/- 5 dB(A) or 48 +/- 5 dB(A) with silenced gearbox (optional extra) in 10 m distance depending on locality |
Safety
- Explosive atmosphere protection according ATEX II 2 G (zone 1 and 2)
- Frequency converter with parameterised security software (torque limitation, detection of coupling bolt breakage, etc.)
- Safeguard (optional extra) for torque monitoring and speed control
- Shear bolt coupling as the last predetermined breaking point