The document discusses mixing and stirring processes for liquids and solids. It covers various applications and fields including liquid-liquid, solid-solid, and solid-liquid mixing. Key aspects addressed include storage, dosing, mixing techniques for different materials, mixer design considerations, and the differences between mixing and stirring. Process optimization is also mentioned as an important factor to consider.

1. MIXING &
STIRRING
Specialized in process installations
for dry materials and liquids

2. Fields of application
Liquid-liquid
Solid-solid
Solid-liquid (solid)
Solid-liquid (liquid)

3. Liquid-liquid
Storage
LIQUID
FI
FI
Dosing
LIQUID
SOLID ADDITIVES mixing
LIQUID ADDITIVES
WATER
MIXTURE

4. Liquid-liquid
Soap emulsions
Food
Polymerization
Chemistry

5. Fields of application
Liquid-liquid
Solid-solid
Solid-liquid (solid)
Solid-liquid (liquid)

6. Solid-solid
Storage
Macrocomponenten
Storage Minor- Storage Micro-
componenten componenten
M M M M
MACRO COMPONENTS
MINOR COMPONENTS
MICRO COMPONENTS
PRODUCT

7. Solid-solid
Construction materials
Construction chemistry
Food
Feed / pet food

8. Fields of application
Liquid-liquid
Solid-solid
Solid-liquid (solid)
Solid-liquid (liquid)

9. Solid-liquid (solid)
Storage
FILLING
AGENT
FI
M
FI
Dosing
Mixing
FILLING AGENTS
SOLID ADDITIVES
LIQUID ADDITIVES
LIQUID
WATER

10. Solid-liquid (solid)
Construction materials
Food
Waste processing / sludge processing

11. Fields of application
Liquid-liquid
Solid-solid
Solid-liquid (solid)
Solid-liquid (liquid)

12. Milk of lime
Storage
LIME
Scrubber
M
FI
Dosing
`
Preparing
LIME Storage, dilution
WATER & circulation
MILK OF LIME

13. Milk of lime
Water decarbonation
Washing incineration gases
Chemistry

14. Glue preparation
Storage
RAW
MATE-
RIAL FI
Cooling &
FI viscosity
M
TI
Dosing
Preparing
Storage &
circulation
RAW MATERIALS Cooking
ADDITIVES
STEAM
WATER
SUSPENSION

15. Glue preparation
Paper & cardboard
Pressed and glued wood

16. Paint
Storage
FILLING
AGENT
Dosing
M
MEDIUM
FI
FI
Transport
FILLING AGENTS
SOLID ADDITIVES
Dissolving
LIQUID ADDITIVES
MEDIUM
WATER
PAINT

17. Paint
Water based
Solvent based

18. Compounds
Storage
FILLING
AGENT
POLY
MER
FI
M
FI
Dosing
Mixing
FILLING AGENTS
SOLID ADDITIVES
LIQUID ADDITIVES
POLYMER
WATER
COMPOUND

19. Compounds
Carpets
Finishing materials
(leather, paper, metal)

20. Solid – liquid: suspensions
Not a solution – contains solid particles
Specific behavior
• Abrasive
• Rheology
Precipitation
• Stabilizers (feed / pharmacy / consumables)
• Mechanical (processing)
Stability equal to mixing quality

21. Thesis:

22. Mixing vs. stirring
Stirring
• Similar behaving components
• Mostly at low agitating speed
Mixing
• Non-similar behaving components
• Dispersing & suspending solid materials
• Slurries
• Mostly at quick agitating speed

23. Influence Rheology
Newtonian vs. rheopact Slurry vs. suspension
Viscosity vs. capacity PRessure vs. capacity
1500
1400 17,50
1300
1200
15,00
1100
12,50
1000
Viscosity (Cp)
900
10,00
Pressure
800
700 7,50
600
500 5,00
400
300 2,50
200
100
0,00
0 0,00 10,00 20,00 30,00 40,00 50,00 60,00 70,00
0 10 20 30 40 50 60 70 Capacity
Capacity (m³/hr)
Water Suspension Slurry
Newtonian Shear thinning

24. Influence viscosity
400 Cp 1.500 Cp

25. In-line vs. mixing tank
Constant capacities Buffer for variations in
Good mixable capacity
Dilution Non-similar behaving
Danger for plugging components

26. Continuous vs. batch
Preventing quality Mixing time influences
fluctuations quality
Short delay Dosing accuracy

27. Slow vs. quick agitation
Keeping in move Mixing
Remaining homogeneity Including components
(reaction) Reducing particle size

28. Mixer design
90°
N6
45°
N1 N3
135° 30°
180° N5 N7 0°
N2
N4
Agitator 315°
270°
Placement nozzles vs. agitator

29. Mixer design
Flow profiles:
• Placement agitator
• Tank shape
• Helix type
• Influencing flow profile
Preventing dead space
• Also regarding discharge
Good agitating defines
stability

30. Mixer design
Eccentrically placed agitator vs. baffles

31. Mixer design
Multiple agitators for high viscosities
Scraper blades preventing polution
Z-blade for dispersing

32. Process optimization
Batch-schema
Weger FCD1
Weger FCD2
Weger FCD3
Weger FCD4
Zendvat 1
Zendvat 2
Zendvat 3
Zendvat 4
Recipiënt CW1
Weger DW2
HOB404
Ketting TRL35
Weger DW4
Weger DW5
TR06DW05S1
Weger BSM12
Vl PWP HOT
Vl PWP COLD
Tank HOT504
Handstort BS1
Menger BLM1
TRM05
TrBL1H12
Tank HOT507
Handstort BS2
Menger BLM2
TRN05
TrBL1H34
0 a b c d e f g
t (min)
Parallel operations on different units

33. Process optimization
Temps total max 30 min
Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 Phase 6 Phase 7
C CM40xL
Augmentation réel:
C CM40xX
Poids réel:
C CM40xN
Agitation maxi
x
e chau Tête de lavage
lait d P CM40xR
C CM40xK C CM40xM
ess
H2O proc
P CM40xC C CM40xG
P CM40xB
C CM40xF
(CaO)
Chaux
Arrêt ventilateur
C CM40xH scrubber
C CM40xB
Eau de rinçage
P CM40xT
P CM40xJ H2O scrubber
40 are
xO
ge
CM ds t
an
i
Po
vi d
de
C
an
m
m
Co
prédosage de l'eau Ajustement
Attendre et agiter
concentration
dosage de la chaux et de l'eau de réaction Mélange Vidange Rinçage
P CM40xE P CM40xH
Parallel operations within a unit

34. Conclusion
Design criteria dependent of application
Suspensions can seem easy to handled, but
a lot of attention on the details is necessary
Need for a sparring partner with a lot of
experience and a wide reference perspective

35. Your PROCESS is our PROJECT
Consulting
Engineering
• Mechanical
• Electrical
Manufacturing
Process control
Erection
Electrical installation
Maintenance & service