Thermal Product Solutions, a global manufacturer of thermal-processing equipment, has shipped a Gruenberg steam-heated granulation dryer to the pharmaceutical industry.
This dryer had a maximum temperature rating of 66°C with work chamber dimensions of 80” W, with two doorways, each 36” wide openings x 96” D x 80” H. The Gruenberg dryer was constructed from a structural steel frame that supported the 304L stainless steel interior chamber liner and the 304 #4 polished stainless-steel exterior. All interconnecting struts are non-continuous, which keeps the exterior cool.
The front-loaded granulation dryer uses a full focused horizontal airflow, which maximizes heating rates and temperature uniformity of the product load. A circulation fan is in a conditioning plenum chamber on the top of the oven. The fan directs chambers with a solid baffle plate separating both chambers. The air enters the workspace through a perforated duct wall area running down both outer duct walls. The air flowing down the left side of the unit enters the work chamber and flows left to right, flowing horizontally across the product. The air then exits the left work chamber via a perforated duct wall area near the center of the unit. The air flowing down the right side of the unit enters the work chamber and flows right to left, flowing horizontally across the product.
The air then exits the right work chamber via a perforated duct wall area near the center of the unit.
“Gruenberg products are designed to meet the highest standards of safety specifications. This granulation dryer was designed to accommodate four loading trucks and eighty-eight loading trays for drying of wet granulation,” said Denny Mendler, Gruenberg product manager.
Features of this Gruenberg granulation dryer include:
- Steam heat.
- Fully welded 304L stainless steel interior liner.
- Two doors.
- Split construction.
- 3/4” radius corners.
- 3/16” plates floor.
- Door switches.
- Air intake HEPA filter.
- Air exhaust HEPA filter.
- 700 SCFM forced exhaust system.
- ±2°C at 63°C temperature uniformity.
- Copper tube/aluminum finned dehumidification coil.
- NEMA 12 control console.
- Watlow F4 temperature controller.
- High limit thermostat.
- Fused main power disconnect switch.
- Magnehelic gauges.
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