Series Copper Tube Annealing Equipment (furnace)

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Loading Port:
Tianjin
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TT OR LC
Min Order Qty:
1 unit
Supply Capability:
6 unit/month

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Product Description:

 

Application Scope

Online annealing and tempering heat treatment of copper, aluminum and stainless steel non-ferrous metal tube or wire.



Function Structure

Series copper tube annealing equipment adopts AC-DC-AC variable frequency power supply structure. The rectifier of the power supply adopts 3-phase thyristor rectifying. 12-pulse rectifier can be adopted for large power equipment (above 1000kW) to decrease grid side harmonic current. The inverter adopts high voltage large power IGBT module to form inverter power unit, to realize large power output through the superposition of inverter power unit. The inverter realizes impedance matching and electric isolation through matching transformer. The resonant tank circuit adopts serial resonance, which needs independent design for different load heating.

The whole unit of equipment is composed of serial induction heating power supply, resonant tank circuit, circulation soft water cooling system, console (optional), automatic control system (optional).

 

Technical Features

Ø Perfect structure design

1.Integration design of switchgear rectifying cabinet and inverter output cabinet, with compact structure and small size.

2.Power combination of the inverter bridge is accomplished by the way of power unit superposition, which is convenient for installation and repair. Each IGBT power unit is designed to be 200kW. Inverter output adopts matching transformer to realize electric isolation of power supply and load with high security and reliability of power supply.

3.Multi-section of inductors adopt serial connection with high voltage and small current. The whole heating efficiency is higher than parallel power supply.

4.Resonant tank circuit mode is an independent design as per users actual requirement with convenient and flexible site layout.

5.High standard electromagnetism compatibility design, electromagnetism radiation meets national standard. Closed cabinet design, meeting rigor environmental requirements on site.


Ø Full digital control system

1.3-phase rectifier adopts high cost performance MCU controlling to realize precise synchronism trigger with high control precision and small grid-side non characteristic harmonic.

2. Resonant inverter adopts CPLD to form full-digital control system that is characterized by their automatic constant angle, high phase-lock precise and wide scope of phase-lock.

3. Adopt inverter side PSM power adjustment technology with strong load adaptability and easy impedance matching. The grid side power coefficient≥0.92 and harmonic content is the relatively lowest.

4. The power supply has perfect protection function with reliable working and low failure rate.


Ø HMI and fault diagnosis system (optional)

1.Adopt PLC and touch screen to form perfect HMI system.

2.Realize integrated automatic control of power supply system.

3.Fault display and diagnosis system.


Main Technical Parameter

Model

AC input

Power coefficient

Rated DC voltage

Rated DC current

Frequency

Scope

Working status

GZP200kW

/10kHz-C

3AC380V

50/60Hz

0.95

500V

400A

8

10 kHz

continuous

GZP400kW

/10kHz-C

3AC380V

50/60Hz

0.95

500V

800A

8

10 kHz

continuous

GZP600kW

/10kHz-C

3AC380V

50/60Hz

0.95

500V

1200A

8

10 kHz

continuous

GZP800kW

/10kHz-C

3AC380V

50/60Hz

0.95

500V

1600A

8

10 kHz

continuous

GZP1000kW

/10kHz-C

3AC380V

50/60Hz

0.95

500V

2000A

8

10 kHz

continuous

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Q:What is the difference between industrial furnace masonry and ordinary masonry?
Industrial furnace masonry requirements are relatively high, industrial furnaces of different uses, whether material or masonry process, have strict requirements.
Q:What is the difference in structure between industrial furnace and boiler?
From the way: industrial furnace (electricity, natural gas, gas, induction heating is considered electricity), boilers (coal, all kinds of hot exhaust gas, a variety of gas, seemingly less electricity).
Q:What is the difference between industrial furnaces and boilers?
Industrial kilns and industrial furnaces are collectively referred to as industrial furnaces. Industrial furnaces mainly refer to devices that heat materials by combustion reactions.
Q:Why does the burner of industrial furnace burn occasionally?
The general process for burner ignition, blowing furnace, electric spark ignition, solenoid valve, open the gas in case of delayed spark ignition, detection device detects the flame, the controller accepts signal so that the solenoid valve open, gas continuous normal combustion. However, if the ignition fails or the burner fires, the detector cannot detect the flame, which causes the solenoid valve to close and the burner flameout.
Q:How to use industrial furnace equipment?
If it is water cooling furnace door, but also to ensure the smooth flow of pipes, winter pipes are not frozen. When the boiler is in a limited position, the interlocking device for cutting off the power supply shall be provided when the furnace is in and out, and the number of broken wires in the pitch of the steel wire shall not exceed 10%, and the counterweight of the furnace door shall be reliably hung.
Q:What are the companies in the world that are currently engaged in metallurgical furnaces?
There are many kinds of furnaces in metallurgical industry,colored and black,smelting and heat treatment are also included.
Q:Selection of heat preservation material for industrial furnace
Ceramic fiber blanket can be used.Ceramic fiber blanket color white, regular size, set fire, heat insulation, insulation in one. Free from any binding agent.
Q:Brief introduction to repair of industrial furnace
The working condition of industrial furnace is very bad. It is affected by high temperature, slag erosion and burden wear. Therefore, its working condition changes quickly and its service life is short.
Q:Should the industrial furnace shell cool down?
If the furnace shell temperature is too high, it shows that the lining is not good or damaged, so it should be repaired in time. If you do not repair, take the cooling way, undesirable. Because this will cause a lot of heat loss, resulting in waste of energy, increase production costs, and affect the service life of the furnace.
Q:What's the role of anchor bricks in industrial furnaces?
The wall of an industrial furnace or flue is mainly composed of an inner lining layer, a heat insulating layer and an outer wall layer. The lining is a refractory brick, and the outer wall is an ordinary sintered brick.

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