Description
The drill pipe tempering equipment from Hebei Yuantuo Electromechanical is designed for continuous heat treatment of oilfield drill pipes using medium-frequency induction heating, quenching, and tempering technology.
Also referred to as a drill pipe tempering production line or drill pipe Q&T furnace line, this system is developed for manufacturers requiring stable mechanical properties, uniform hardness, and reliable end-zone heat treatment for petroleum drilling applications.
🔹 Heat Treatment Requirements for Oil Drill Pipes
Oil drill pipes work under high torsional stress, cyclic loading, and harsh drilling conditions.
For this reason, heat treatment must ensure:
* Uniform hardness along the pipe body
* Stable strength and toughness
* Consistent metallurgical structure between the pipe body and upset ends
* Reliable performance in welded-end areas
The system is especially suitable for API-grade drill pipes and high-strength petroleum pipe applications.
🔹 Induction Q&T Process
The oil drill pipe tempering production line adopts continuous induction heating combined with online quenching and tempering:
1. Automatic pipe feeding
2. Multi-zone induction heating
3. End-zone temperature compensation
4. Spray quenching
5. Tempering treatment
6. Cooling and discharge
Pipe rotation during conveying helps maintain circumferential temperature consistency and improves overall heat treatment uniformity.
🔹 Key Technical Features
✅Multi-Zone Temperature Control
Different sections of the pipe can be heated independently, allowing better control of:
* Pipe body temperature
* Upset-end temperature
* Welded-end heat treatment consistency
This is important for drill pipe welded-end tempering lines where both strength and toughness must remain stable.
✅ Continuous Automated Operation
The production line supports:
* Automatic feeding and discharge
* PLC/HMI recipe management
* Infrared temperature monitoring
* Automatic power adjustment according to pipe specifications
The automated process improves repeatability and reduces manual operation.
✅ Reduced Oxidation & Energy Consumption
Compared with conventional furnaces:
* Induction heating shortens high-temperature exposure time
* Surface oxidation is reduced
* Heating efficiency is improved
This helps improve surface quality while lowering operating costs.
🔹 Applicable Drill Pipes
This oil drill pipe tempering equipment is suitable for:
* API drill pipes
* Petroleum drill rods
* Welded-end drill pipes
* Alloy steel drill pipes
* High-strength oilfield pipes
Widely used in:
* Oilfield equipment manufacturing plants
* Drill pipe production workshops
* Petroleum pipe heat treatment projects
🔹 Equipment Configuration
Main system components include:
* Medium-frequency induction power supply
* Induction heating coils
* Rotational conveying rollers
* End-zone heating modules
* Spray quenching system
* Tempering section
* PLC/HMI control cabinet
* Closed-loop cooling system
The modular structure simplifies maintenance and supports continuous industrial production.
🔹 Technical Specifications
* Heating method: medium-frequency induction
* Quenching temperature: ~950°C
* Tempering temperature: 600–650°C
* Pipe diameter: customizable
* Pipe length: customizable
* Power range: 500–12000 kW
* PLC + infrared closed-loop control
* Continuous automatic operation
🔹 Advantages
✅ Uniform hardness and metallurgical consistency
✅ Stable heat treatment from pipe body to upset ends
✅ Continuous automated production
✅ Reduced oxidation and improved energy efficiency
✅ Suitable for long-length and high-strength drill pipes
Manufactured by Hebei Yuantuo Electromechanical, the system is designed for reliable industrial-scale oilfield drill pipe heat treatment.
The drill pipe tempering equipment / production line provides a continuous and efficient induction heat treatment solution for petroleum drill pipes.
With controlled end-zone heating, automated temperature regulation, and stable quenching and tempering performance, the system helps manufacturers achieve consistent product quality for demanding oilfield applications.
