MINOX Vibratory Powder Screeners, Wet Screeners, Portable Screeners

Powder Screeners

Available in diameters from 24" to 60" and from 1 to 3 decks

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MINOX VPA 1200 2/X: Vibrating sieve with two decks

CONSTRUCTION FEATURES
Automatic net cleaning system by cleaners
Cover with flow breaker
Suction and inspection ports
Sloped bottom (can be coated)

TECHNICAL FEATURES
Electric power: .73 kW
Number of decks: 2
Screening surface: 0.932 m2
Weight: 380 kg

APPLICATIONS
Screening of spray-dried powders after storage
Screening of powders between the spray drier and storage bins
Screening of powders feeding the presses

ADVANTAGES
High efficiency due to the 3-dimensional vibration system
Automatic net cleaning system
Quieter than other screening systems

Wet Screeners

Available in diameters from 24" to 60" and from 1 to 3 decks

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MINOX VLB 900 1/X: Vibrating sieve with one deck

CONSTRUCTION FEATURES
High splash-guard ring plate
Fixed base

TECHNICAL FEATURES
Electric power: .73 kW
Number of decks: 1
Screening surface: 0.587 m2
Weight: 132 kg

APPLICATIONS
Under the re-conveying/storage
Under the spray-drier service tanks
Under the continuous and discontinuous mill discharge

ADVANTAGES
High efficiency due to the 3-dimensional vibration system and special conic construction
High output due to the large screening surface
Easy replacement of the net, due to the exclusive stretching system

Portable Screeners

Available in diameters from 18" to 48" and from 1 to 2 decks

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MINOX VSB 750 1/X: Vibrating sieve with one deck

CONSTRUCTION FEATURES
Stainless steel trolley
Frustum-cone spray cover
Bands screwed in position with knobs
Electric motor-vibrator in aluminum, protection IP 65

TECHNICAL FEATURES
Electric power: .18 kW
Number of decks: 1
Screening surface: 0.104 m2
Weight: 41 kg

APPLICATIONS
On the glazing lines
Under the storage tank discharge, in applications with low consumption

ADVANTAGES
High efficiency due to the 3-dimensional vibration system
The trolley permits a fast and easy moving to the application places
Easy replacement of the net, due to the exclusive stretching system

Do It Yourself Screen Remeshing

Tools:
5mm Allen wrench with ratchet
desired screen cloth
screen frame with 2 locking rings

Fig. 1

Preparation:
1. Clean grooves of the screen

2. Place the screen frame on a stable base (fig. 1)

3. Cut screen cloth into square with its sides at least 100mm (4 inches) more than desired diameter of the ring
(fig. 2)

4. Lay screen mesh over screen frame and identify the pattern of the wires
(warp & weft)

5. Position the screw joint of the screen locking ring at a 45 degree angle in relation to the pattern of the wires and push the ring down to the lower groove
(fig.3)

6. Tighten the screws in an alternating fashion
(fig. 4)

7. Pull mesh down to eliminate creases and then finish tightening the screws.

8. Position the second locking rings screw joint 90 degrees opposite the bottom screw joint and push the second ring into the upper groove.

9. Tighten the screws in an alternating fashion
(fig. 5)

10. Continue tightening until the desired tension is achieved
(fig.6)

11. Cut or grind the excess cloth being careful not to leave any sharp edges.
(fig. 7)

To allow the screener to function properly the mesh screen must be very taught in the screen support ring.

An insufficient screen tension causes the product to behave erratically with a consequent reduction in the efficiency of the machine. This reduction cannot be compensated for even if the adjustement to the motor-vibrator is modified.

Fig. 2

Fig. 3

Fig. 4

Fig. 5

Fig. 6

Fig. 7