THERMO ENGINEERING WORKS
   
Tray Drier And Hot Air Ovens

Tray Drier

Application :

MODEL: GMP AND NON GMP
CAPACITY: 12TRAYS TO 192 TRAYS
Tray Dryers are ideally suitable for drying chilies, spices, , potato chips, onions, fish, garlic, grapes, cashew
nuts, confectionery, macaroni, wood etc. It is also for used for drying pharmaceuticals, chemicals, powders, granules, plastic granules etc.
Heating is either by electric or steam or both combined. Various models are listed in this leaflet to suit customer requirements. Custom-built models can be quoted on request.

 

Construction:
The external frame work is made of thick gauge M. S plates both the exterior made of thick gauge CRCA sheets or AISI 304 sheets. in between the space, resin bonded special quality fiber glass heat insulation slabs are provided. safety guards for fan blade & heaters are provided. The interiors is painted with heat resistant aluminum paint. The exterior is spray
painted with silver gray gloss paint, Inner Chamber - CRCA or AISI 304, Outer Chamber - CRCA or AISI 304.
Fan & Motor :
According to models doors are provided with smooth moving hinges, latch catch & sealing gaskets. Well balanced large propeller type fan (S) fitted inside the chamber with suitable shaft & dual bearing with Electric motor (S) drive.
Heaters :

'U' type tubular heaters are provided inside the chamber for maximum heat transfer. Steam heated models are fitted
with finned type steam radiators and thermic fluid oil radiators as per customer requirement.

Controls Panel :
Control Panel box consists of contactor assembly, On & Off switch, Digital Controller neon lamps, operating push buttons are incorporated in the control Box. In GMP models complete flame proof accessories (flame proof motor, flame proof indicator. Switch,thermocouple.)
Damper :
Adjustable exhaust Damper with an arrangement for pre-filtration, in the air inlet.
Optional :
GMP models / complete S.S unit. Trolleys & Trays supplied as per requirement. Microprocessor based temp. Control with printer interface (Centronic PC interface with RS 232 CPC / RS-485 for networking of controllers. Profile controller for Ramp / Soak cyclic applications.
Safety Features :
Built-in temp. deviation audio visual alarm. Safety thermostat for over shoot temp. cut off circuit to cut off the whole systems in case of malfunction. (only applicable to Microprocessor based models).
Validation :
IQ OQ PQ & DQ Protocols with complete documentation & certification traceable to National & international Standards.
Steam Heated Models :
These are provided with finned tubular steam coils instead of /in addition to heaters, along with solenoid valve.
TECHNICAL SPECIFICATIONS:
Model TRAY SIZE 32" x 16" x 11 ¼" H 12 Tray 24 Tray 48 Tray 96 Tray 192 Tray
RACK FIXED ANGLES FIXED ANGLES ONE MOVEABLE TROLLEY
TWO MOVEABLE TROLLEY FOUR MOVEABLE TROLLEY
DRYER DIMENSIONS
EXTERIOR
(Approx)
L mm
W mm
H mm
1450
550
950
1450
950
950
1700
1000
1900
2900
1000
1950
2900
1900
1900
NUMBER OF DOORS ONE ONE ONE TWO TWO
NUMBER OF FANS ONE ONE ONE TWO FOUR
NUMBER OF MOTORS & H. P.
(400/440 VOLTS 3 PHASE A. C.)
1 X 0.5 H. P. 1 X 0.5 H. P. 1 X 1.0 H. P.  2 X 1.0 H. P. 4 X 1.0 H. P.
ELECTRICAL RATING
OF HEATERS
MAX TEMP.
100C
200C
300C
3 K.W
6 K.W
9 K.W
6 K.W
9 K.W
12 K.W
9 K.W
12 K.W
21 K.W
15 K.W
21 K.W
24 K.W
36 K.W
42 K.W
48 K.W
STEAM HEATED MODELS
STEAM CONSUMPTION AT
7.2 kg 10.3 kg 15.5 kg  20.5 kg 36 kg
 
Flow Diagram:
 
 

Hot Air Ovens

Application :

No leaflet can do justice to the vast range of Ovens and Dryers manufactured by thermo (The sketches on this page are a small selection of the many types available) Each plant is individually designed to meet the specific requirements, related to process of the customer, fuel, method of job handling, safety requirements, through output etc.

 

 

INHERNET DESIGN FEATURE:
Sturdy Construction
Mild Steel (Stainless steel above 350°C )
Mineral wool Insulation Material (in conjunction with Ceramic fiber above 550°C
Panel mounted control gear with optional Safety controls
Manual or Powered door operation.
AREA OF APPLICATIONS:
THERMO equipments are designed for many industries including, Aerospace, Aluminum, Brass, Ceramics, Electronics, Ferrous metals, Finishing, Foundry, Glass, Motor rewinding, Plastics, Paint Curing, Powder coating, Rubber and, Trade heat treatment.
CHAMBER SIZES:
From 600 x 600 x 600mm upwards, units too large to transport in one piece are manufactured in sub-assemblies for final erection on site.
TEMPERATURE RANGES

200°C, 400°C, 550°C, 750°C
(above 750°C Custom built furnaces are available)

HEATING MEDIUM:
Electrical, Gas/Oil, Direct or Indirect fired, steam/thermic fluid.
 
   
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