BALIK

Agitator shapes

1. Fast runner

1.1 Propeller stirrer 3 blades




Stirring device with several oblique curved and partly helical blades
Available also as conduit.
The stirring action depends upon a mainly axially downwards directed flow.
Reversal of the direction of flow due to change in the helical angle or the direction of rotation.

Application Homogenizing
                   Suspending
                   Stirring in powder

Viscosity : up to approx. 10 000 Pas

Peripheral velocity: 3 – 10 m / s

Shearing forces: Low

D2/d1 = 0,15 – 0,4

H2/d1 = 0,33

1.2 Oblique blade – Stirrer 4/6/8 blades




Stirring device with several obliquely set rectangular straight blades.
(Special shapes: Angle = 90° even bent blades
The stirring action depends upon a mainly axially downwards directed flow.
Reversal of the direction of flow due to change in the helix angle or the direction of rotation.

Application Heat exchange
                   Suspending
                   Stirring in powder
Viscosity: up to approx. 15,000 Pas

Peripheral velocity: 2 -5 m / s

Shearing forces: medium

D2/d1 = 0.2 -0.45

H2/d1 = 0,3

1.3 Plates- Stirrer 6/8 blades

Stirrer consisting of a plate with several radially arranged rectangular, flat, some also curved blades.
The stirring action depends upon a radially outwards directed flow with an axial suction from above and below. The flowing-off fluid is subjected to high shearing.

Application Dispersing
                   Gassing processes
Viscosity : up to approx. 20,000 Pas

Peripheral velocity: 3 -6 m / s

Shearing forces: high

D2/d1 = 0,2 – 0,35

H2/d1 = 0,5 - 1

1.4 Dissolver – Stirrer (indented plate)

Stirring device consisting of an indented plate.
The stirring action depends upon a radially outwards directed flow with an axial suction from above and below.
The flowing-out fluid is subjected to a very high shearing in the teeth

Application Homogenizing
                   Suspending
                   Stirring in powder

Viscosity: up to approx. 15 000 Pas
For low to high viscous ranges

Peripheral velocity: 10 – 20 m / s

Shearing forces: low

D2/d1 = 0,2 -0.5

H2/d1 = 1 -2

1.5 Stator - rotor – stirrer
Application Homogenizing
                   Suspending
Stirring in powder
Dispersions

Viscosity: up to approx. 10,000 Pas

Peripheral velocity:      25 m / s

Shearing forces: high

STAND-MIX 2400

1.6 Stator - Rotor – Inline Reactor
Application Homogenizing
                   Suspending
Stirring in powder
Dispersion

Viscosity: up to approx. 10,000 Pas

Peripheral velocity:
25 m / s

Shearing forces: high

2. Longitudinal rotator

2.1 Impeller - stirrer 3 blades

Stirring device with three curved stirring arms arranged at an angle.
The stirring action depends upon a radial flow, which is reversed axially by the arrangement of the stirrer close to the bottom.

Application: Homogenizing

Viscosity : up to approx. 10,000 Pas

Peripheral velocity: 2 -5 m / s

Shearing forces: low

D2/d1 = 0.5- 0.7

H2/d1 = 0.3

2.2 Blade – Stirrer

Stirring devices in frame model with struts; often the lower beam is matched with the bottom.
The stirring action depends upon a predominantly tangential/ radial flow.
A version without openings is the blade agitator with reinforced radial velocity components and axial suction from below and above.

Application: Homogenizing

Viscosity : up to approx. 20 000 Pas

Peripheral velocity:0, 3 – 8 m / s

Shearing forces: low

D2/d1 = 0.4 -0.5

H2/d1 = 0.1

2.3 Anchor – Stirrer 2/3 Arms

Stirring device in anchor form, the container walls adapted, heavily directed toward the edge
The stirring action depends upon a predominantly tangential flow with a weaker axial component.

Application: Improvement in the
                   heat transmission in the
                   agitator boiler
version with wall scrapers is available

Viscosity : up to approx. 20,000 Pas

Peripheral velocity: 0.5 -5 m / s

Shearing forces: low

D2/d1 = 0.15 -0.4

H2/d1 = 0.33

2.4 Cross current stirrer

Stirring device with several radially arranged stirring arms, which cross over one another.
The agitation action depends upon an axial/ tangential flow, which strengthens particularly in the axial direction in the modified forms (with two and more blades per stirring arm and often in counter current arrangement). With angle = 90° there are mainly tangential currents present.

According to the container height - multi-stage version

Application: Homogenizing
                    Suspending

Viscosity : up to approx. 20,000 Pas

Peripheral velocity: 1.5 -8 m / s

Shearing forces: low

D2/d1 = 0.5-0.8

H2/d1 = 0.2

Agitator shapes
1. Fast runner
1.1 Propeller stirrer 3 blades
	Stirring device with several oblique curved and partly helical blades Available also as conduit. The stirring action depends upon a mainly axially downwards directed flow. Reversal of the direction of flow due to change in the helical angle or the direction of rotation.
Application Homogenizing Suspending Stirring in powder Viscosity : up to approx. 10 000 Pas Peripheral velocity: 3 – 10 m / s Shearing forces: Low D2/d1 = 0,15 – 0,4 H2/d1 = 0,33
1.2 Oblique blade – Stirrer 4/6/8 blades
	Stirring device with several obliquely set rectangular straight blades. (Special shapes: Angle = 90° even bent blades The stirring action depends upon a mainly axially downwards directed flow. Reversal of the direction of flow due to change in the helix angle or the direction of rotation.
Application Heat exchange Suspending Stirring in powder Viscosity: up to approx. 15,000 Pas Peripheral velocity: 2 -5 m / s Shearing forces: medium D2/d1 = 0.2 -0.45 H2/d1 = 0,3
1.3 Plates- Stirrer 6/8 blades
	Stirrer consisting of a plate with several radially arranged rectangular, flat, some also curved blades. The stirring action depends upon a radially outwards directed flow with an axial suction from above and below. The flowing-off fluid is subjected to high shearing.
Application Dispersing Gassing processes Viscosity : up to approx. 20,000 Pas Peripheral velocity: 3 -6 m / s Shearing forces: high D2/d1 = 0,2 – 0,35 H2/d1 = 0,5 - 1
1.4 Dissolver – Stirrer (indented plate)
	Stirring device consisting of an indented plate. The stirring action depends upon a radially outwards directed flow with an axial suction from above and below. The flowing-out fluid is subjected to a very high shearing in the teeth
Application Homogenizing Suspending Stirring in powder Viscosity: up to approx. 15 000 Pas For low to high viscous ranges Peripheral velocity: 10 – 20 m / s Shearing forces: low D2/d1 = 0,2 -0.5 H2/d1 = 1 -2


2. Longitudinal rotator
2.1 Impeller - stirrer 3 blades
	Stirring device with three curved stirring arms arranged at an angle. The stirring action depends upon a radial flow, which is reversed axially by the arrangement of the stirrer close to the bottom.
Application: Homogenizing Viscosity : up to approx. 10,000 Pas Peripheral velocity: 2 -5 m / s Shearing forces: low D2/d1 = 0.5- 0.7 H2/d1 = 0.3
2.2 Blade – Stirrer
	Stirring devices in frame model with struts; often the lower beam is matched with the bottom. The stirring action depends upon a predominantly tangential/ radial flow. A version without openings is the blade agitator with reinforced radial velocity components and axial suction from below and above.
Application: Homogenizing Viscosity : up to approx. 20 000 Pas Peripheral velocity:0, 3 – 8 m / s Shearing forces: low D2/d1 = 0.4 -0.5 H2/d1 = 0.1
2.3 Anchor – Stirrer 2/3 Arms
	Stirring device in anchor form, the container walls adapted, heavily directed toward the edge The stirring action depends upon a predominantly tangential flow with a weaker axial component.
Application: Improvement in the heat transmission in the agitator boiler version with wall scrapers is available Viscosity : up to approx. 20,000 Pas Peripheral velocity: 0.5 -5 m / s Shearing forces: low D2/d1 = 0.15 -0.4 H2/d1 = 0.33
2.4 Cross current stirrer
	Stirring device with several radially arranged stirring arms, which cross over one another. The agitation action depends upon an axial/ tangential flow, which strengthens particularly in the axial direction in the modified forms (with two and more blades per stirring arm and often in counter current arrangement). With angle = 90° there are mainly tangential currents present.
According to the container height - multi-stage version Application: Homogenizing Suspending Viscosity : up to approx. 20,000 Pas Peripheral velocity: 1.5 -8 m / s Shearing forces: low D2/d1 = 0.5-0.8 H2/d1 = 0.2