IF quenching and tempering production line

Oil drill pipe quenching and tempering production line

Time: 2021-08-11

Oil drill pipe quenching and tempering production line

Equipment Name: Oil Drill Pipe Quenching and Tempering Production Line
Workpiece Material: Carbon Steel Alloy Steel
Workpiece Size: Diameter Above 20 mm Power Range: 160- 1000KW Closed-loop temperature control: with American Leitai two-color thermometer control temperature control system : PLC man-machine interface fully automatic intelligent control
Description of process and working process of oil drill pipe quenching and tempering production line :

, the heat treatment process: steel material placed on the crane gantry by loose bundle → upper feeder feeding → Frequency feed roller steel pipe is fed forward → induction heating furnace for hardening (high temperature) , was heated to 950 ℃ IR measurement Temperature feedback constitutes closed-loop control and adjustment , which automatically adjusts the power of the induction heating furnace → spray quenching → lift the pipe by the turning machine and place it on the residual water drain device → lift the tube by the turning machine and place it on induction heating On the tempering roller table of the furnace → enter the tempering induction heating furnace (heating) to heat to 450 760 ℃ infrared temperature measurement and feedback to form a closed-loop control to adjust the induction heating furnace power → turning machine → chain two-way cooling bed → turning machine → Discharging . 


, the technical parameters selection drill pipe to quenching and tempering production line summary


Control System

Matching power supply

Φ 10- Φ 28mm

PLC intelligent control


Φ 42- Φ 48mm

PLC intelligent control


Φ 30- Φ 60mm

PLC intelligent control


Φ 30- Φ 60mm

PLC intelligent control


Φ 35- Φ 60mm

PLC intelligent control


Φ 30- Φ 110mm

PLC intelligent control


Φ 80- Φ 110mm

PLC intelligent control


[Phi 73.2- [Phi 88.9mm- [Phi 139.7 mm

PLC intelligent control


Φ 95- Φ 114mm

PLC intelligent control


Customized production according to the actual needs of customers

Oil quenching and tempering production line drill pipe production line IF power control features:

● Parallel resonance design, phase shift power adjustment, the equipment is mature and stable; it has more advantages in the high power range above 3000KW .

●DSP control, extremely fast capture phase lock start, meeting frequent start and stop, 100% success rate .

● Frequency conversion and variable load self-adaptation, frequency adaptation range 200-10000Hz, automatic matching of induction heating furnace  replacement, no manual adjustment is required.

● T2 red copper copper bars are used in the cabinet , which are sandblasted and passivated; low leakage inductance, anti-oxidation, and effectively reduce line loss.

● Full touch screen control, pure digital setting, complete process record and strict level authority. The main parameters can be restored to factory settings with one key.

●The equipment has self-protection function (over current, over pressure, water pressure, lack of phase, under voltage, overload), and the equipment has self-diagnosis function in case of situation.

Configuration composition and characteristics of oil drill pipe quenching and tempering production line:

1. The range of quenching Intermediate frequency power supply : KGPS160-1300KW

2. Tempering Intermediate frequency power supply range: KGPS160-750KW

3. Quenching and tempering sensor (including capacitor bank, water circuit, gas circuit, etc.)

4. Closed cooling system for intermediate frequency power supply and inductor

5. Copper bar connecting wire (connection between power cabinet and induction furnace)

6. Input and output system (While the workpiece is rotating, it is fed at an even speed, and the operation is stable, the speed is adjustable, and the heating is more uniform)

7. Quenching and tempering spray system

8. Infrared temperature measuring device for quenching and tempering (equipped with American Raytech infrared thermometer to display the temperature of the workpiece in real time, so that the workpiece temperature uniformity can be seen at any time during the quenching and tempering process)

. 9 the PLC control system, (available control operation, the whole mechanical part of the man-machine interface, digital, highly user-friendly operation)

10. The central console (including variable frequency speed regulation and temperature control, Huayan industrial computer, remote start, etc.) is to operate the entire quenching and tempering equipment directly on the central console, and only one person can operate the entire equipment , Save labor and save costs.

What is the composition of the heat treatment line of the oil drill pipe quenching and tempering production line?

The oil drill pipe quenching and tempering production line is composed of feeding mechanism, conveying roller table, quenching induction heating system, spray system, tempering induction heating system, discharging mechanism, Intermediate frequency power supply, and PLC control console. Other devices can be selected according to actual conditions.   

The oil drill pipe quenching and tempering production line is used in which industry?

Application areas of drill pipe quenching and tempering production line: blade quenching and tempering production line for construction machinery industry, auto parts quenching and tempering production line for automobile industry, petroleum drill pipe quenching and tempering production line for petroleum industry, mining Steel pipe and steel plate quenching and tempering production line for machinery, rail quenching and tempering production line for railway industry, wind power bolt quenching and tempering production line for wind power industry, etc.

The performance characteristics of the oil drill pipe quenching and tempering production line :

quenching and tempering line structure is simple, reliable, different heat treatment requirements, the equipment is simple, easy maintenance can be met;

2. The processed products have beautiful appearance and strong production capacity. Using the principle of electromagnetic induction heating , the quality of processed products is excellent, the heating is uniform, and the temperature difference between the core and the surface is small;

, quenching and tempering line production line control system advanced, precise regulation, automatic control system provides manual control, feed control, constant power control and other operation modes to choose from. The automatic monitoring system can understand the operating status of the equipment in real time, which is conducive to the best performance of the equipment;

4. Optimized structure design, long service life, non-contact heating of the workpiece by the induction coil of the quenching and tempering production line , no friction, high reliability, and prolongs the service life of the equipment;

, quenching and tempering production line equipment low running cost, split design, reduce floor space occupied by equipment, a reasonable standard equipment components layout easy maintenance, lower operating costs and maintenance.

What is the general configuration of the heat treatment production line of the oil drill pipe quenching and tempering production line ?

User needs are different, and the configuration is different. The basic configuration of the oil drill pipe quenching and tempering production line includes: induction heating system, storage rack (feeding rack and discharge rack), intermediate frequency power supply ( IGBT intermediate frequency power supply or KGPS intermediate frequency power supply ), PLC console, etc. Other options: infrared thermometer, power transformer, cooling tower, etc. These can allow professional manufacturers of oil drill pipe quenching and tempering production lines to support you, and they will provide detailed design plans according to your needs.

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