Important Technical Information

Description :
PREMIUM Tray Dryer is a direct heated type dryer for solid or liquid materials. Drying is carried out by forced air circulation in a cross-flow heating system. Strip heaters (for electrical heating) or steam tube coils (for steam heating) are mounted on both sides of the dryer. Depending on the working temperature required, adequate  nsulation thickness is provided to achieve the best efficiency.

Construction :
Body – M.S. Sheets forming double walls, fixed on inner and outer angular framework of M.S. Door – Also of double-walled M.S. Sheets, with specially designed hinges to enable it to sit flush with the body when closed. Latch is provided. Trays – Size ( 800 x 400 x 30 mm ) , offered in M.S., S.S., G.I., Alluminium, FRP, or Polypropylene. Trolley – Made from M.S. angle, can, accommodate 48 trays each. Finish – Spray-painted with heat resistant alluminium finish inside and hammertone grey finish outside.

Heating :
Electric Heating – A bank of strip heaters on both sides of the dryer. Dryers up-to o 250 C working temperature are offered. Steam Heating – A steam coil of continuous finned tubes(tested at 300 psi.). Dryers are working temperature of o 100 C are offered. Electrical-CumpSteam Heated are also available.

Temperature Control :
An electronic temperature indicator is provided. A thermostat for the electrical heating or a steam controller (thermostat ) operated solenoid valve) provides temperature control.

Application :
In pharmaceutical, food, chemical, dyestuff and allied industries.

Insulation :
Fiberglass wool between the doublewalls of the body and door.

Electrical Switchgear :

This ensures automatic operation of heaters and locking them with fan motors. The ‘On’ position of the heaters and motors is indicated by a lighted pilot lamp.

Control Panel :
The Switchgear, temperature indicator and control devices are mounted on a control panel located in an easily accessible position

Optional :
The following may be provided at extra cost :
1. Chlorinated rubber paint or epoxy based paint for the inside of the dryer to combat acidic and alkaline properties of the materials to be handled.
2. Spare trolleys and trays.
3. Steam fitting like traps, strainers, pressure gauge and valves

Technical Specifications
MODEL OVER ALL OUTER DIMENSIONS (W X D X H)mm CAPACITY OF OVEN IN TRAYS RATING OF OVEN K.W. FAN NO’S MOTOR NO’S RATING H. P. NO’S OF TROLLEYS
PTD-12 1470 X 605 X 925 12 3 1 1 0.5
PTD-24 1470 X 960 X 925 24 6 2 1 0.5
PTD-48 1925 X 1010 X 1925 48 9 1 1 1 1
PTD-96 2940 X 1010 X 1925 96 18 2 2 1 2
PTD-92 2940 X 1925 X 1925 192 36 4 2 1.5 4
PREMIUM TRAY DRYER