PWHT Machine

1. Digital PWHT machine.
2. Fast induction heating speed.
3. Uniform heating result.
4. Energy-saving up to 30-80%
5. Much clean working environment.

PWHT machine applications

The PWHT machines are mainly used in the petroleum, petrochemical, aerospace, shipbuilding, steel, boiler, ship, pressure vessel, steel frame structure, railway, bridge, mine construction, automobile manufacturing, nuclear power, mining industry, etc.And in total mostly used in the following induction heating application fields:

  • Weld preheating/post-welding heat preservation: pipeline, steel plate, steel structure, pressure vessel, etc.
  • Hot assembly/hot disassembly: hot disassembly and hot assembly of rotors such as bushing, turbine, motor, and coupling.
  • Medium induction heating: heat conduction oil, industrial water, hot water boiler, chemical reactor, hot air heating, etc.

PWHT machine technical parameters

Model

KQYD-10kw

KQYD-20kw

KQYD-30kw

Input Voltage

3*380v, 50/60hz

Input Current

1~15a

1~30a

1~40a

Output Current

1~150a

1~200a

1~250a

Output Power

1~10kw

1~20kw

1~30kw

Output Frequency

5~30khz

Heating Temperature

Max 900℃

Heating Pipeline Size

Dia:50~700mm For 400℃ Heating Temperature

Dia:50~1000mm For 400℃ Heating Temperature

Dia:50~1200mm For 400℃ Heating Temperature

Size

500*350*400mm

550*400*450mm

600*450*500mm

Weight

26kg

30kg

45kg

Induction Heating Coil

Length

10-20m

Diameter

10mm

13mm

15mm

Model

MQYD-40KW

MQYD-60KW

MQYD-80KW

MQYD-100KW

MQYD-120KW

MQYD-200KW

Input Voltage

3*380v, 50/60hz

Output Frequency

2khz~30 Khz

Output Power

40kw

60kw

80kw

100kw

120kw

200kw

Input Current

60A

90A

120A

150A

180A

280A

Cooling Type

Water Cooling

Heating Temperature

Max:900 ℃; Heating Speed: 5-100℃/Min

6 Channels Control

6 Channels Recorder

Main Parts

Induction Coil

Connection Cables

Insulation Blanket

K Thermocouple

R-1006 Temperature Recorder

Thermocouple Connection Cable

 

PWHT machine strucutre

The PWHT machine normally includes the following parts:

  • PWHT machine main body
  • Induction heating coil
  • Thermocouple
  • Thermal insulation blanket
PWHT Machine 7 The Leading Induction Heating Machine Manufacturer PWHT Machine

PWHT machine main technical features

  • Air cooled: PWHT machines are all with air cooling circuits, which avoids the inconvenience caused by low ambient temperature and water cooling.
  • Fast heating speed: can heat the metal workpiece directly, unlike heat transfer to the metal by a resistor or flame.
  • High heating efficiency: Heat conversion efficiency up to 96%, through the insulation material heating
  • Simple operation: PWHT machine with PLC touch screen operation, start heating. Temperature controller control is more accurate. Record and save the curves.

How to choose a suitable PWHT machine?

  Normally as per the heated parts size and heating temperature choose the suitable PWHT machine. The bigger the heated workpiece, the higher the heating temperature, and the higher the power level PWHT machine should be.

  The key point is that we should design and suggest suitable induction heating coils as per the user’s heated parts details, drawings will be better.

  Lower heating temperature and fast heating speed request, choose the air cooled PWHT machine and water-cooled induction heating coil, sometimes can also choose the water cooled induction heating machine with the water cooled induction heating coils.

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