Rotary Drum Dryers:


Rotary Drum Dryers

Our Rotary Drum Dryers are best suited for drying heat sensitive chemicals, food and pharmaceutical products.

The reaction vessel are suitable for pressure / vacuum conditions. They are provided with either stuffing box & gland type of shaft seal or with mechanical seals.Due to short contact time with the- hot drum the product can be dried at atmospheric pressure without thermal degradation and change of properties. For extremely heat sensitive products we provide dryers operated under vacuum where the product is dried at much lower temperatures thereby retaining its properties and physical appearance.

Our dryers are fabricated to maintain the structural stability during the drying operations due to the appropriate metallurgy of the components.

DRUM : The Drum of Rotary Drum Dryer is fabricated out of boiler quality plates/stainless steel/copper plates. The drum is ground on the drying surface and provided with a hard cromium deposition and superior finish for best drying efficiency and preventing residual dried product left over on drum surface after the scraping stage. The drum is provided with hollow shafts for entry of steam/heating fluid.

MATING FLUID INLET :A rotary joint is provided for inlet of steam and outlet of condensate. BEARINGS : The drum is provided with self alining spherical roller bearings for compensation due to expansion of drum during drying process . The bearings are chosen with sufficient dynamic load capacity to take care of rotation as well as scraping loads.

GEAR DRIVE :The drum is provided with a Helical Gear and Helical drive pinion provided with a arrangement to nullify the backlash ot gear for vibration free scraping operation. The pinion is provided with bearings which are housed in a housing ard provided with a flexible coupling which do not transmit varying scraping loads directly to the reduction gear.

REDUCTION GEAR AND MOTOR :Reduction Gear of capacity to like care of scraping loads is chosen and is driven by TEFC/Flame proof motors as the process requirement may call for.

PRODUCT TROUGH :The product trough are fabricated in material to suit the product to be dried and over flow is provided for maintaining the necessary feed level. The trough is also provided heating/cooling jacket as the requirement may call for.

FEED APPLICATION : The Feed Application of the product to the drying drum is controlled through Feed roller/splashing mechanism and the rollers are fabricated in material to suit the drying product. The Feed rollers are driven at appropriate speed through reduction gear/friction drive depending on the viscosity of the feed

DOCTOR BLADE : A flexible alloy steel/stainless steel blade mounted in bush bearings with a hand wheel on both sides to controll the feed thickness of product applied to drum is provided. The extra feed is stripped off the drum which drops in the feed tray.

SCRAPER :Carbon steel flexible scraper blade with fine adjustment bolts is provided and is mounted in bush bearings. The scraper blade is provided with two hand wheels for manipulation of scraping loads.

COLLECTION TROUGH :A stainless steel collection trough is provided for collecting scrapped off dried product.

ENCLOSURE :A Hood is provided on the drum for collecting and venting of the evaporated moisture. For vacuum drum dryers,-the entire drum, the product feed tray, the collection trough are enclosed in a air tight enclosure and a screw conveyor driven by motor is provided to convey the dried product out of the vacuum area.

VACUUM PUMP :A suitable water ring vacuum pump for maintaining desired vacuum is provided with vacuum drum dryers.

FOUNDATION : The machines are provided with sturdy supports suitable for mounting on concrete pedastals which shall be as per our drawings.

PAINT : The machine is painted in enamel paint from outside and the Hood and vacuum enclosures are painted in Epoxy paint.


SPECIFICATIONS:

MODEL

HRD-05

HRD-1

HRD-2

HRD-3

HRD-6

HRD-10

DRUM DIMETER (in MM)

300

500

600

800

1000

1250

DRUM LENGTH (in MM)

550

650

1100

1200

1950

2550

DRYER AREA (in Sq.mtr.)

0.5

1.00

2.00

3.00

6.00

10.00

Max. PRESSURE FOR HEATING MEDIA (perSq.cm.)

3.5 kg.

3.5 kg.

3.5 kg.

3.5 kg.

3.5 kg.

3.5 kg.

MORE INFORMATION

Contact Sales: Mobile: +919422111357,+918830463049

Contact Email: hecraftngp@gmail.com