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Furnace Size: 600*6000mm
The conveyor belt furnace is comprised of mesh belt quenching furnace, quenching tank, oil remove stand, post-cleaning machine, conveyor tempering furnace;
Total loading power: about 70KW(electricity); power supply 3phase, 380v, 50Hz; 720KW(natural gas);
Total weight: about 35000kg;
Total length: about 28500mm;
Working temperature:
Quenching furnace:820～920℃; quenching tank: 60～80℃; Post-cleaning machine: 40～60℃; tempering furnace: 400～650℃;
Productivity: 250~350kg/hour (The productivity varies with the shape and size of the workpiece, the weight of a single piece, the stacking conditions and metallurgical conditions);
Furnace atmosphere:
Quenching furnace: methanol+propane;
Tempering furnace: air
1.Buyer Requirement
1.1Product:hand tools;
1.2 Process: bright quenching and tempering;
1.3 Productivity: quenching: 250-350kg/h;
3. Equipment General Introduction and Main Features
1 General Introduction
1.1 The heat treatment furnace combines the advanced technologies
from Taiwan. Its key parts are imported from overseas.
1.2 The production line is comprised of support roller mesh belt
quenching furnace, quenching tank, oil remove stand, post-cleaning
machine, support roller mesh belt tempering furnace, and electrical
control system.
2.Features:
2.1 To meet the production needs of fastening parts, the heat treatment
furnace employsTaiwan technology, and improves its energy-saving
effect in the area of refractory lining.
2.2 The mesh belt conveyor furnace for quenching and tempering are heated by natural
gas which is energy saving, lower cost and higher efficiency.
2.3 The mesh belt is supported by the support rollers with synchronized
movement so that the mesh belt bears a minimum tension.
2.4 The rollers are supported by special high-pressure sealed bearing.
2.5 The mesh belt is designed with abnormal transportation alarm device
to assure the stable movement of the mesh belt.
2.6 The drip-in atmosphere is gasified by a gasifier and then sent into the
furnace. The atmosphere is monitored and controlled continuously by
an oxygen probe.
2.7 The hot mesh belt returns back to the entrance of the furnace and
preheats the cold parts, which saves energy greatly.
5. Production Line Power and Energy Consumption
5.1 Power
Heating power: 380V±10%, 3 phase, AC, 50HZ;
Measuring and control system: 220V±10%, 50HZ；
Heating system: about 48kW；
Driving system power and other consumption spots: about 30kW；
Power supply of the whole line: about 78kW；
Power consumption at normal working: about 25kW；
5.2 Natural gas consumption
Quenching furnace: 600KW;
Tempering furnace: 400KW;
Total natural gas consumption: 1000KW;
5.3 Atmosphere inlet pipe parameters
Methanol inlet pipe: 3-5 L/h ; ≥0.04 Mpa;
Propane inlet pipe: automatic control with supply ≤500L/h; supply pressure ≥0.04Mpa;
5.4 cooling water
Water quality: according to state standard low-calcium industrial circulating water;
Suspended substance: max 10mg /L;
Filter mesh belt hole size: max 0.3mm;
Inlet temperature: (max) 30℃ (in summer)
Inlet temperature: (min)5℃ (in winter)
Temperature difference: 10℃
Inlet pressure: 0.2 Mpa;
Max water consumption: about 50m3/h (circulating use);
5.5 Supplementary Equipment ( supplied by the buyer)
The cooled water tank and cooling tower are usually
mounted outside the workshop;
but near the production line. The cooling power capacity
should be ≥60m3/h.
6. Computerized Electrical Control
Electrical control cabinet (collective wiring)
Electrical control cabinet, 1000*700*2000mm, 3 pieces;
The whole production process is managed by the computer
and monitored by PLC system.
The control system of the continuous belt furnace
has a real-time monitoring, management
and process control of the temperature, driving system, motors, heating system, and safety.
The heating control system of the mesh belt furnace is composed of a
temperature meter and a PLC, which realizes the parallel
interlocking of the burner's pulse ignition.
