Premium mill for wet fine grinding and dispersion
Wet bead mill

Mugen Flow®

High quality fine grinding anddispersion achieved by higher-grade
refinement technology
Proven record of

30,000mPa·s

High viscosity slurry compatible
10x higher thanconventional millsHigh ﬂow rate operation possible
Minimum bead
diameter :0.1 mm

Small beads compatible
OINT

KEY P

Well-polished, superb
bead-separation
performance

MGF2
Particle technology for co-creation of new possibilities

Ashizawa Finetech Ltd.

Premium mill for
wet ﬁne grinding
and dispersion

Mugen Flow®MGF is a high-performance bead mill that provides dramatically improved grinding
capacity compared with conventional mills. This technology is compatible with extremely

high-viscosity and high-concentration slurry, and has thus revolutionized the ﬁeld of slurry blending.
This mill is capable of ﬁne grinding to a nanometer level or submicron level.
FeatureHigh flow rateⅠ
operation possible

Ⅱ

Can be conﬁgured
to operate at 10 times
the ﬂow rate ofconventional mills.

Usable bead
diameter of
0.1 to 1.0 mm*Comparison with our conventional mills

10000

Provides stable
operation even withuse of small beads thatare diﬃcult to control＜Example＞

In case of MGF10 (10L mill ),can operate at approx.
100 L/min.
FeatureSmall beads compatible
Viscosity [mPa·s]

FeatureConventional 2L mill

6000

Mugen Flow®

4000

Conventional mill

2000

Compatibility with high-viscosity,
high-concentration slurryⅢ

Mugen Flow MGF2

8000

000.1

Material: CMC
Tip speed: 12 m/s

0.30.4Filling level: 85%
Flow rate: 2L/min

Proven record of processing
non-Newtonian ﬂuid with viscosity of30,000 mPa·s
AFTERBEFORE≪Process example≫

0.2

Bead diameter [mm]Material: Calcium carbonate
solid content: 75 wt%

Model: MGF2

Tip speed: 8 m/s

Bead diameter: PSZ 0.5 mm≪Viscosity after grinding≫Type E: 621 mPa·s（25 C, 200 s-1）
Type BM: 100,000 mPa·s or more

FeatureⅣ

Thickening as miniaturization progresses

Low tip-speed operation

FeatureⅤCan carry out stable operation
without raising pressure evenat low tip speeds
0.4

Conventional
mill

0.3

tip speeds 6 m/s
Mugen Flow MGF10
Conventional 10L mill

Mugen Flow®
Pressurestable0.1
0.002010

Calcium carbonate slurry 75 wt%

Pressurerise0.2Features pin rotor-typegrinding system

4060

Frequency [%]Grinding chamber pressure [MPa]Temperature rises also suppressedHigh grinding performance
Ensures particle size distribution
with higher uniformity
Calcium carbonate slurry 75 wt%

tip speeds 6 m/s

864

Material

After processing(150 min)Afterprocessing

Material

280

Slurry flow rate [L/min]

100

00.01

0.1

1

10Particle size [μm]1001000TPOIN

Based on high-ﬂow circulation and superb bead-sep

ﬁne grinding of even high-viscosity, high-c
or submicron level with eﬃciency ennehwlyance

Mechanisms and beneﬁts of high-ﬂow circulation
What is high-ﬂow
circulation?
This is a multi-pass system
in which circulation between
the tank and bead mill iscarried out at a high ﬂow
rate, and several dozen
passes are performed.

dMotions andmechanisms ofhigh-ﬂow
circulation

P

Mugen Flow®

Beneﬁts of superb bead-separation performance
Conventionalmill

Slurryinlet

Segregatedbeads

Slurryinlet

Mugen Flow®

Uniform
distributionof beads

DSlurry
outletL① Change from L/D = 1.5 to L/D = 1② Escape route for beads→ Changing ﬂow of beads③ Increasing of scraper area
→ Improvement of scraping performance

Slurryoutlet

DL（Patented）［ [Image of inside of grinding chamber during high-ﬂow circulation ］

Bead ﬂow conditions ideal
for bead mills to fulﬁll
their potential

Segregation of beads prevented,
ensuring uniform distribution
in grinding chamber

Mugen Flow provides operation that had not been possible with conventional mills.
Please feel free to consult us about this product.

Wet bead mill with enhanced bead-separation performance

aration performance,oncentration slurry to nanometer level
Beneﬁts ofhigh-ﬂow circulation
8Continuous
dispersion

65Particle size [μm]1.5L/min,15min
20L/min,15min
1.5L/min,90min
20L/min,90min

7Frequency [%]Sharpparticle-size
distribution

43
2
1
00.01

0.1

1

Diﬀerences in the ﬂow rate can make theparticle-size distribution sharp, even withthe same average particle size.

［ Particle size distribution, and ﬂow rate comparison ］

8060
40

Mugen Flow®

2000204060

２ pass３ passRunnig time [t]Slurry flow rate [L/min]

80

100

Power increase rate is an indicator for the uneven
distribution of beads inside the device. The larger thevalue is, the more unevenly the beads are distributed.
The Mugen Flow restrains power increase rates incomparison with conventional mills.

［ Comparison of increase in electric power ］(Bead diameter used: 0.5 mm, tip speed: 8 m/s)

0.20Internal pressure [MPa]Power increase [%]Mugen Flow
MGF10
Conventional
10L mill

Conventional
mill

100

１ passSuppressingof pressure in grindingchamber(Bead diameter used: 0.5 mm, tip speed: 14 m/s)

120Pass operation

Dispersion is carried out continuously over time,so the target particle size for the product canbe achieved with pinpoint accuracy.

Suppressingof increase inelectric power
140

Circulation

010

Particle size [μm]0 passMugen Flow
MGF10
Conventional
10L mill

0.15
Conventional
mill

0.10
0.05
0.00

Mugen Flow®
02040

60

Slurry flow rate [L/min]

80

100

The internal pressure is mainly increased when theslurry ﬂow rate is raised or a high-viscosity slurry
is used. Mugen Flow increases it only slowly, whichmeans the mill can operate at a higher slurry ﬂow
rate that cannot be reached by conventional mills.

［ Comparison of pressure in grinding chamber ］

The setting range for operating conditions, such as ﬂow rate,
viscosity, concentration, tip speed, and bead diameter,is greatly expanded in comparison
with conventional bead mills, and as a result,the high-ﬂow circulation of high-viscosity slurry is achieved!

Feature

Simple maintenance ( disassembly and assembly )Extra

The outlet ﬂange is removed to discharge
the beads into the bead receptacle.

Disassembly can easily be carried out
with a vessel drawer rail, and cleaningof the agitator can be performed.

Proposal example

Eco-Grinding™ with DRYSTAR® + Mugen Flow®
(Model: SDA)

(Model: MGF)

Eco-Grinding is a new system that saves energy during grinding.
This is achieved by combining a dry bead mill (DRYSTAR SDA)
with a wet bead mill (Mugen Flow MGF),
which dramatically increases energy eﬃciency.

Example of unit
Material

Tank forraw materials
Tank for product

HLM
LLFeederTank forpremixing

Recirculation
tankAdditives
LiquidMMHLHLHLLL

Dry bead mill

DRYSTAR®

Pump

LLLL

Pump

Premium mill for
wet fine grinding
and dispersion

Mugen Flow®

Pump

Next
procedurePremium mill for
wet ﬁne grinding
and dispersion

Rich lineup from laboratory models
to large production models
We oﬀer a lineup that ranges from table-top

laboratory models for the production of small-lot,high-mix varieties for R&D purposes, to large-scalemodels suited for mass production. We have adopted
a similar structure for all of the models, and thismakes it possible to scale up with accuracy.

Applications

Electronicdevices

Printing
ink

Cosmetics

Food

Batterymaterials

Catalysts

Papermaking

OtherMaterials

Ferrite, Carbon black, CNT, Zeolite, Alumina, Zirconia, Titanium oxide,
Calcium carbonate, Pigment (Cyan, Magenta, Yellow), etc.

Speciﬁcations
Model

MGF015

MGF04

MGF2

MGF10

MGF25

Grinding chamber
volume (L)

0.17

0.4

1.7

9.5

25.0

Motor (kW)

2.2

5.5

15.0

45.0

55.0

Size: WD

H (mm)

Weight (kg)Liquid contact
member

400 600 600

900 1,000 750 900 950 1,950 1,400 1,500 2,000 1,300 2,700 2,350
250

40Ceramics

500

1,500

3,000

Ceramics and Metals*The values are representative examples, and the speciﬁcations are subject to change without notice.

Particle technology for co-creation of new possibilities

Ashizawa Finetech Ltd.
Headquarters, factory,
1-4-2 Akanehama, Narashino-shi, Chiba 275-8572 JAPAN TEL +81-47-453-8111 FAX +81-47-453-8378
and laboratory
Osaka Branch
4-15-13 Katayamacho, Suita-shi, Osaka 564-0082 JAPAN TEL +81-6-6389-7700 FAX +81-6-6389-7710
and laboratory

https://www.ashizawa.com/english/

For website

E-mail sal@ashizawa.com©2020 Ashizawa Finetech Ltd.
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