Propeller
▪
Self-cleaning (ECB) propeller
Shaft seal
▪
Two bi-directional mechanical seals in tandem arrangement, with liquid reservoir
Bearings
▪
Grease-packed rolling element bearings sealed for life
Drive
▪
Three-phase asynchronous squirrel-cage motor
Motors for explosion-proof submersible mixers are supplied in type of protection Ex d
IIB.
4.5
Configuration and function
1
2
3
4
5
6
7
8
9
10
Fig. 2: Sectional drawing
1
Housing
2
Stator
3
Cable gland
4
Propeller
5
Mechanical seal
6
Rolling element bearing
7
Shaft
8
Temperature sensor
9
Leakage sensor
10
Guide bracket (accessory)
Submersible mixer with self-cleaning propeller (4) for mixing and keeping in
suspension municipal or industrial waste water and sludges.
Driven by the motor, the propeller (4) generates thrust for mixing the fluid handled.
The motor is monitored by means of temperature sensors (8) and leakage sensors (9).
The submersible mixer shaft (7) is equipped with two bi-rotational mechanical seals
(5) in tandem arrangement. A lubricant reservoir between the two mechanical seals
ensures cooling and lubrication.
The cable gland (3) is totally watertight.
4.6
Scope of supply
Depending on the model, the following items are included in the scope of supply:
▪
Submersible mixer with supporting clamp
Design
Function
Sealing
4 Description
Amamix® direkt
13 of 52
Goodnal STP ST041 Biological Treatment (KSB Amamix Direct Installation and Operation Manual) Vendor Manual
Q-Pulse Id VM385
Active 29/10/2013
Page 13 of 52