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Dispersing and Milling / Pearl Mill

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Pearl Mill PM 40

FEATURES AND BENEFITS OF S F PEARL MILL

High Grinding Efficiency, Enclosed Design, Double-Acting Mechanical Seal, Optimal Adjustment Of Bead Charge, Wear-Resistant Grinding Chamber, Integrated Lifting Device, Multiple Cooling, Our pearl mill has special rotor design for use with various grinding media glass beads, zirconia, ermil, zirmil-y, zirmil-ce, rimax etc, ranging from size 0.5mm to 2.5mm. Please note the Quality of Super Dispersed Slurry milled by Pearl Mill is found to be Average of 1 to 2 Microns, Which much of higher quality / standards than ball milled for 72 hours to get just 5 to 8 Microns. Further Sulfur , as experienced by Ball Mill users in past as difficult chemical to be milled for getting good dispersions , has been found to be very good dispersed , after Pearl Grinder Milling.

The reduction in the operation costs are high due to the very strong saving features , makes the mill A FREE OF COST MACHINE IN ONE YEARS OPERATIONS. THUS THE MACHINE BECOMES A PROFIT CENTRE / GENERATES PROFITS DUE TO ECONOMICAL OPERATIONS , IN THE SUBSEQUANT YEARS .

( one of the main features of the mill is the high productivity of as can be easily seen calculated from above production data furnished by us. One pearl grinder mill , very easily replaces 8 to 16 ball mills.

Thus having tremendous advantages of hitech mills over the conventional mills like Ball Mills / Attritors etc.

S.F. PEAR MILL suitable for grinding low medium high viscosity material between 50 CPS and 5000 CPS Thixotropics and products with highly pigmented system.

 
Body

This machine will have the following items. Sturdy Mild Steel Heavy duty Plate frame Body of 10mm thk for the Mill.

Grinding Disc

Grinding Disc will be of Polypropylene having 10 Nos of Disc for Pigment Grinding (Water Based). Or Range Of Grinding Disc Available Will Be Of Special Wear-Resistant Steel, Hardened Chrome Steel Discs, Stainless Steel (304 Or 316), Hastelloy C , Polyurethane , UHMW Polyethylene , Polyamide (Nylon®).

Main Shaft

Main Drive Shaft will be of material of construction will be Stainless Steel 304.

Grinding Container

Double walled Cooling Efficiency Is Enhanced Through The use Of a Two-Zone Spiraled Jacket. The Spiral Design Creates These Desired Effects: cooling to the Entire Chamber; Greater Temperature Control Due To Increased Surface Area; And Reduced Pressure Drop by the Use of Two Inlet and Discharge Ports. Inner cylinder is stainless steel 304 10mm and 3mm stainless steel 304 jacket. To control temperature use of chilled water is required.

Sealing

Shaft sealing is carried out by a single-action mechanical seal with rotor and stator of Tungsten Carbide. Rinsing an of the mechanical seal is provided by a glycerine-flow closed circuit system by a Teflon Lip-seal, glycerine also water - cooled.

Separation for the grinding beads

SCREE TYPE Outlet Screen For Separation Of Grinding Media From Slurry. Grinding beads size .5 mm to .7 mm.

Main Drive Motor

Will be -- HP 3ph, 1440 RPM, and 440V / 380 V 50 Hz / 60 Hz, of any standard make. Feeding pump will of Screw Type or Diapharm type pump having M.O.C. SS-304. Mechanical Seal rinsing pump motor is 0.18kW.

Agitator Disc Peripheral Speeds

The speeds are 10 m/sec, fixed type 'C' sec motor pulley.

Feeding Pump: Screw Pump of Size ½" or 1" Diapharm type. M Seal Rinsing Pump ¼ Inch / Centrifugal Type.

Materials

Material parts which are subject to wear and in touch with the product are made of specific hardened steel and stainless steel.

Control Panel

Control panel mounted separately on the side of machine body is composed of Fully Automatic Star Delta Starter for main. Start-stop buttons for motors; ON_OFF switch, Volt Meter, Ammeter; emergency stop button etc.

Production Capacity

The capacity of SFPM --- completely depends on the product to be processed. It may differ between the averages, but the actual values may vary during the operation.

Machine Limiting Values
Max. Product Pressure: 3 bar
Max Product Temperature: 110 C Min.
Temp. Of Cooling Water: 25C Max.
Pressure of Cooling Water: 6 bar Max.
Cooling Water Pressure for Glycerine Vessel: 4 bar


PRODUCTION DATA / SPECIFICATIONS FOR S F ENGINEERING WORKS MAKE PEARL GRINDER MILL SERIES

MODEL

MAIN MOTOR HP

OUTPUT LTRS PER MIN /HR

SFPM - 5

5

0.5 / 30

SFPM - 10

10

1.0 / 60

SFPM - 20

20

2.0 / 120

SFPM - 40

40

3.5 / 210

SFPM - 60

60

4.0 / 240

SFPM - 80

80

4.5 / 270

SFPM - 100

100

5.0 / 300


PLEASE NOTE : EVEN HIGHER RATED MILLS CAN BE OFFERED TO CUSTOMERS .

S F ENGINEERING WORKS

 

 

Technical Advantages of SF High Speed Pearl Grinder Mill
1. The process time of SF Pearl Mill is reduced from 72 hours of normal mill to just 4-8 hours for the batch volume of 250/500/750/1000/1500/2000/2500 kgs of slurry, depending on the model of mill.
2. The power costs to run the Pearl Mill is just 10 % to 15 % compared to Ball Mill grinding.
3. The drastically reduced waiting period to get the milled slurry in compounding of Latex, helps to plan faster the production.
4. Very Less space of approx 10 to 20 % of ball milling is required for pearl milling production.
5. The ease of processing volume between the 25 kgs to 500/1000 kgs batch size makes the mill very popular with the milling/compounding section personnel’s.
6. The fall out of chemical’s being almost to ZERO VALUE, the losses of chemicals from latex is very low, thus all valuable chemicals added to improve the quality is ensured to be present in the latex. Further loss of Down Time to clean the lines due to fall out is also reduced a lot, thus saving to the cost of running the dip lines.
7. Design of Pearl Mill is very compact and much lighter weight.
8. Very low moving load (between 20 to 80 kgs ) /inertia, while mill is in use, makes lot of power saving possible.
9. Possible to run the mill with slurry input of 10 to 25/30 microns to get below 1 – 2 micron average particle size, at the same time the slurry inputs may go to higher value of 100 to 250 microns, still the machine giving same below one micron average particle size, amazing task, impossible for the other type of dispersions mills.
10. The products like Sulfur/TiO2/ZnO/Antioxidants/Accelerators etc. are having similar milling time or similar processing capability. (Which is not the case with other type of mills).
11. The chemicals can be individually milled or mixed and milled giving the similar best results in same time, is the uniqueness of pearl grinder mill, highly appreciated by the user of mill.
12. The noise & vibration levels are very low, making lot of saving of power bills.
13. The mills are provided generally with spares good to run the mill trouble free for 2 year’s time (this feature is not provided by other dispersion mill supplier).
14. Tools & Accessories are provided to run the mill, very smoothly, very easy for production & engineering team to handle the mill.
15. Built in safety features /electric interlocks to prevent misuse /damages.
16. Very easy to run the pearl mill / maintenance free machine. Long time between the mean frequency of breakdown, makes the user of mill, greatly comfortable, when the mill is installed to take care of critical dispersion duty.
17. The average costs of maintenance of the pearl mill, is very low, as the spares are priced at very reasonable price. (The generally yearly expenses for mills is between US $ 400 to 1200, depending on the model of machine & total time the mill is used), the figure of such maintenance costs if worked on the basis of ton of slurry processed, turns to be very - very small amount. (almost negligible i.e. US $ 2 to 5 / 1000 Kgs. of slurry milled).
18. The layout/arrangement provided are, made user friendly to ensure the mill can be operated & maintained by normally intelligent work force, avoiding higher wage expenses of user to have highly technically skilled workforce.
19. Free Services of Senior Engineer provided to commission the mill at site of customer.
20. Last, but not the least, the payback period is generally less than 12 months, had made the Pearl Mill, very much popular, with the users of mill.

 

Pearl Mill Pearl Mill PM-20  
Pearl Mill Model PM-40 Pearl Mill Model PM-20

 
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PEARL-MILL-MODEL-PM-40-GMP-MODEL PEARL-MILL-MODEL-PM-40-GMP-MODEL  
     
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