Copper induction heating furnace

Introduce：Copper rod heating furnace-copper rod induction heating furnace, copper rod heating furnace, copper rod heating furnace selection method.

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Introduction

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Copper rod heating furnaces are often used for heating forging of round bars to improve metal thermoplasticity. The metal heating workpiece is placed in the induction coil of the alternating magnetic field. Since the induction directly acts on the workpiece itself to generate eddy current and heat, the copper rodheating device has short heating time, convenient temperature control, guaranteed heating quality, improved working conditions, and easy integration. produce. Therefore, it has more and more applications.

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First, the copper rod heating furnace composition selection method

Summary of technical parameters of copper rod heating furnace with power less than1000KW
Rated power(KW)	Rated frequency (HZ)	Transformer capacity (KVA)	Secondary voltage (V)	Number of commutating pulses	Sensor voltage(V)	Power consumption (KW.h/t)	Round roddiameter ( mm )
80	1000~8000	100	380v	6 Pulse	800	450	Φ 6-35
100	1000~8000	160	380v	6 Pulse	800	450	Φ 25-40
120	1000~8000	200	380v	6 Pulse	800	450	Φ 30-50
160	1000~8000	250	380v	6 Pulse	800	450	Φ 40-60
200	1000~8000	315	380v	6 Pulse	800	450	Φ 40-60
250	1000~8000	400	380v	6 Pulse	800	450	Φ 60-80
350	1000~8000	500	380v	6 Pulse	800	450	Φ 80-120
400	500~8000	500	380v	6 Pulse	800	450	Φ 80-120
500	500~8000	630	380v	6 Pulse	800	450	Φ 120-150
1000	500~1000	1250	660V-380V	12 　 Pulse	1200 / (800)	380	Φ 150-250
1500	500~1000	1600	φ660V-380V	12 　 Pulse	1200 / (800)	370	Φ 250-400
2000	500~1000	2200	φ660V-380V	12 　 Pulse	1200 / (800)	360	Φ 400-800

Second, copper rod heating furnace PLC intelligent control system :

1, the user needs to provide a touch screen or a remote control console

2 , man-machine interface, easy to operate

3 , real-time adjustment of equipment operating parameters

4 , real-time control of the heating process, and has a recording function

5 , different international language switching

Third, the main features of the copper rod heating furnace :
1. It is used for heating various metal steel rods such as carbon steel and iron;
2 , medium frequency and super audio heating copper rods, more heated, more uniform and faster;
3 , copper rod heating furnace small volume, easy to move, can be used with any forging and rolling equipment;
4, so that copper copper furnace heated to the desired temperature in a very short time, greatly reducing the oxidation of the metal, both time and material but also improves the quality of the forging;
5 , automatic feeding, automatic feeding, automatic production capacity;
6, copper furnace energy saving, environmental protection, reduce costs and manpower expenditures advantage;
7. It is convenient to replace the sensor to meet the different requirements of the overall heating or end heating of the copper rod.

Fourth, the copper rod heating furnace uses intelligent induction heating power supply to control its characteristics:
1, the parallel resonant design, a phase transfer power, IF annealing furnace mature stable; 3000KW above advantages in a wide power range.
2 , DSP control, speed capture phase-locked start, meet frequent start and stop, high success rate.
3 , variable frequency load adaptation, frequency adaptation range 200-10000Hz, induction furnace replacement automatic matching, no manual adjustment is required.
4 , the cabinet uses T2 copper copper row, sandblasted, passivated treatment; low leakage, anti-oxidation, effectively reduce line loss.
, 5 , full touch screen control, pure digital setting, complete process record and strict hierarchical authority. The main parameters can be restored to the factory settings with one key.
6 , power supply stand-alone power 50-6000KW , frequency 200-10000Hz.
Five, the special advantages of copper rod heating furnace :
1. The copper tube annealing furnace is easy to operate, flexible in feeding and unloading, and high in automation.
2 , medium frequency induction heating equipment heating speed, less oxide layer, good quality.
3. Precisely control the length, speed and temperature of the workpiece.
4. Uniform heating of the workpiece ; the temperature difference from the surface to the core is small ; the control precision is high.
5. Design and manufacture the inductor of the copper tube annealing furnace according to your specific requirements.
6. Full range of energy-saving optimization design : low energy consumption and high thermal efficiency.

Six, what parameters are required for copper rod heating furnace selection?

The selection of copper rod heating furnace generally requires the following parameters:

First: the shape of the heated workpiece, the outer dimensions, and the weight of the heated workpiece.

Second: the material quality of the heated workpiece (generally induction heating, only for metal conductor materials).

Third: the time of the target temperature required for heating the heated workpiece, and the target temperature.

Once the above three points are clear, the copper rod heating furnace can be selected including matching power.

Seven, what are the characteristics of the copper rod heating furnace body structure?

1. Furnace structure: Our company's heating furnace is designed as an overall quick change type. Quick change is possible when changing the furnace body for different heated workpieces.

2. Furnace lining: The lining is made of silicon carbide or integral knotting, and the temperature is above 1450 °C.

3. Protection: Automatic shutdown when the water temperature exceeds 65 °C.

4. Induction furnace water cooling rail: Water-cooled rail is installed on the induction furnace lining.

Eight, how to calculate the power of the copper rod heating furnace?

P=(0.168×200×693)/(0.24×0.6×145)=1029KW In the formula: 0.168—the average specific heat of the ferrous metal; 2080—the mass of the workpiece (Kg); 200—the temperature rise of the workpiece heating; 0.24— Work heat equivalent; 0.6 - average efficiency (0.6 in this case, generally 0.5 ~ 0.65, lower profile sensor, take 0.4); 145 - work beat (seconds)

According to the above calculation, a 1KHz induction heating device with a rated power of 1500 KW can be configured to meet the needs.

Nine, how to choose the power frequency of the copper rod heating furnace?

The choice of power frequency follows the principle of optimal heating efficiency and temperature uniformity (core temperature difference). The higher the frequency, the higher the heating efficiency, but the too high frequency is likely to cause the surface of the workpiece to be too burnt. According to our experience, the frequency is selected to be 2500KHZ. , the best heating effect can be obtained without overheating the workpiece temperature.

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