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Rebar quenching and tempering production lineΦ2 19 -106 7 thick wall steel pipe medium frequency induction quenching and tempering production line
This equipment is mainly used for low and medium pressure boiler tubes, petroleum cracking tubes, high pressure fertilizer equipment tubes, high pressure boiler tubes, structural tubes, conveying fluid tubes, gas cylinder steel tubes, casings, pipeline steel tubes, etc. Quenching and tempering treatment of the pipe body .
1. Technical parameters:
( 1 ) Workpiece diameter range: Φ 219 mm-Φ1067mm .
(2) Wall thickness: 10mm- 5 0mm.
( 3 ) Length of heatable tube: 6.0m-13m.
( 4 ) Tube heating maximum temperature: 1 12 0 °C.
( 5 ) Maximum temperature difference (circumferential and radial): ± 10 °C .
( 6 ) Tube walking speed: 3mm/S-30mm/S .
( 7 ) Tube motion and sensor power control can realize linkage control with PLC and automatic temperature control.
( 8 ) Process requirements: The average temperature of the rear tube heated to 1 050 °C.
( 9 ) Production: 5 tons / hour .
2. Equipment composition:
Serial number | content | Remarks | |
1 | Thyristor intermediate frequency power supply KGPS- 6 00/0. 5 | 2 sets | |
2 | Thyristor intermediate frequency power supply KGPS- 60 0/0. 8 | 2 sets | |
3 | Thyristor intermediate frequency power supply KGPS- 30 0/ 1 | 1 set | |
4 | 6 00KW compensation capacitor 0.75-1000-0. 5 S | 2 sets | |
5 | 60 0KW compensation capacitor 0.75-1000-0. 8 S | 2 sets | |
6 | 30 0KW compensation capacitor 0.75-1000- 1 S | 1 set | |
7 | GTR 40 0 (heating φ2 19 - 35 6 steel pipe) | 1 set | |
GTR 5 50 (heated φ 406 — 508 steel pipe) | 1 set | ||
GTR 7 00 (heating φ 559 — 6 60 0 steel pipe) | 1 set | ||
GTR 8 50 (heated steel tube of φ 711 - 813 ) | 1 set | ||
GTR1 100 (heated φ9 14 - 106 7 steel pipe) | 1 set | ||
8 | 180 0KVA rectifier transformer | 1 set | Two 600 KW intermediate frequency power supplies share one unit |
180 0KVA rectifier transformer | 1 set | Two 60 0KW intermediate frequency power supplies share one unit | |
1 2 | Closed cold water tower | 2 sets | ZXZ-N60, ZXZ-N200T |
1 3 | Quenching sprinkler system | 1 set | |
1 4 | Automatic Control System | 1 set | |
1 5 | Transfer roller | 1 set | |
1 6 | Loading rack | 1 set | |
1 7 | Cutting bench | 1 set | |
1 8 | Console | 1 set | |
1 9 | Feeding hydraulic trolley | 1 set | |
20 | Unloading hydraulic trolley | 1 set |
The mechanical transmission device comprises: an inclined roller conveyor unit, a gear motor, a loading platform and a discharging platform , a loading and unloading mechanism, and the like.
The control part includes: sensor, infrared thermometer, PLC, industrial computer, operation cabinet, and the like.
The set of equipment sensors is a whole structure, which can realize quick positioning and installation, quick connection of water and electricity, and can be easily adjusted up and down to meet the heating requirements of steel pipes of various specifications.
Heat treatment process:
The steel pipe is placed on the loading platform by the crane to carry out the baling → the feeding machine shifts the lifting and feeding → the variable frequency feeding roller conveys the steel pipe forward → quenching , normalizing electromagnetic induction heating to the process required temperature ( 850 ~ 112 0 ° C ) infrared temperature measurement and control feedback loop consisting of regulating electromagnetic power frequency induction heating furnace → → spray quench cutting machine translation → stocker lift cutting platform
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