Midfrequency preheating equipment

 

 

It is auxiliary equipment of CNC hardbanding machine, mainly for preheating before drill pipe hardbanding welding. Heating mode is medium frequency induction heating.

Main parameter：

1

Joint wall thickness：

15～30mm

2

Joint length：

250～460mm

3

Heating requirement：

Only heat drill pipe joint specified spot

4

Heating length：

（100～150mm）

5

Heating temperature：

60℃－450℃

6

Heating time：

15s－30s

7

Heating mode:

            Infiltrate preheating

Electric parameter：

1

Medium-frequency power supply

160KW

2

Power supply frequency

1000Hz

3

Input current

105

4

Input voltage

3×380V   50Hz

5

Output voltage电压

750V

General parameter:

1

Station number

1

2

Inductor adjusting

Adjusting bracket fine-adjustment

3

Inductor turns

Multiple turns

4

Inductor specification

ф101.6～ф139.7）1set

（ф152.4～ф177.8）1set

（ф203～ф241）1set

5

Cooling water flow

15 m3/h

6

Inflow temperature

5～35℃

7

Outflow temperature

＜55℃