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OTTO JUNKER ROLLER HEARTH ANNEALING FURNACE

TYPE : RHO
BUILT : 1997
MATERIAL : DHP COPPER TUBE (USED FOR C12200 LEVEL WOUND COILS)

TECHNICAL DATA:

TUBE DIMENSIONS
OUTSIDE DIAMETER - : 6.35MM - 15.88MM
WALL THICKNESS - : 0.25MM - 0.7MM

COILED TUBE DIMENSIONS : 1,200MM (MAX)
OUTSIDE DIAMETER : 610MM
INSIDE DIAMETER : 320MM (MAX)
HEIGHT : 380KG (MAX)

MAXIMUM PRODUCT TEMP : 600 C (MAX)

CHARGE TRAYS

NUMBER OF COILS PER STACK : 5 OFF
MAX CHARGE WEIGHT PER STACK AT 600 C: 1,650 KG
TRAY DIMENSIONS : 1,400MM W X 1,400MM L
FURNACE PLANT:

APPROXIMATE DIMENSIONS

USEFUL WIDTH OF CONVEYING ROLLERS: 1,450MM
CLEAR PASSAGE HEIGHT : 2.350MM
INSIDE FURNACE WIDTH : 1,640MM
INSIDE FURNACE HEIGHT : 2,450MM (ABOVE ROLLER)
HEATED FURNACE LENGTH : 9.450MM
PASSLINE : 845MM FROM SHOP FLOOR
TO TOP OF CONVEYOR ROLLERS

DIMENSIONS OF FURNACE:

VESTIBULE : 3,500MM WIDE
7,000MM HIGH (WITH SUPERSTRUCTURES)
12,210MM LONG

LENGTH OF LOADING ROLLER TRACK : 4,812MM
LENGTH OF EXTRY EXHAUST HOOD : 990MM
LENGTH OF VACUUM CHAMBER, ENTRY END: 1,520MM
LENGTH OF VESTIBULE : 1,810MM
LENGTH OF FURNACE : 10,290MM
LENGTH OF COOLING ZONE : 13,648MM
LENGTH OF VACUUM AT COOLING ZONE EXIT: 1,520MM
LENGTH OF UNLOADING ROLLER TRACK : 4,771MM
OVERALL LENGTH OF LINE : 39,446MM
MAX. FURNACE WALL TEMPERATURE : 650 DEGREE C
TEMPERATURE CONTROL : FULLY AUTOMATIC IN FOUR
INDEPENDENT CONTROL ZONES
MAX TOTAL GAS SOURCE FOR HEATING : 95NM^3/HR NATURAL GAS WITH NET
CALORIFIC VALUE OF 37 26 MJ/M^3
ELECTRICAL DATA:

CONNECTED LOAD : 410 KW

MAINS : 460 V, 3 PH, 60 HZ
CONTROL VOLTAGE : 100 V, 3 PH, 60 HZ
PLC-I/0 LEVEL : 24 V DC
INSTRUMENT/VALVE VOLTAGE : 24 V DC
BURNER CONTROL UNITS AND GAS VALVES: 110 V, 3 PH, 60 HZ
CUBICLE LIGHTING : 110 V, 3 PH, 60 HZ

COOLING WATER
PRIMARY CIRCUIT (FURNACE CIRCUIT) - MAX WATER INPUT WITH A TEMPERATURE
DIFFERENCE OF 10 DEGREE C BETWEEN SUPPLY AND RETURN WATER (25 DEGREE C-35
DEGREE C) - 65M^3/HR

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