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Advantages & Features of Intelligent Bright Annealing Induction Heating Equipment

Views: 0     Author: Site Editor     Publish Time: 2023-10-30      Origin: Site


In view of some special manufacturing process requirements of stainless steel pipes, solid solution insulation treatment is required (heating from normal temperature to 1050°C, and it must be kept in the 1050°C temperature range for a period of time and then rapidly cooled to ensure that the performance of the steel pipe reaches a more stable state ). Based on the development of the induction heating and holding furnace, Hangao Tech (SEKO Machinery) later developed a rapid heating insulator in response to customer feedback that the temperature measurement in the holding area of ​​the induction heating and holding furnace was unstable, inconvenient to install, troublesome to replace coils, and high energy consumption. That is Intelligent Bright Annealing Induction Heating Equipment. Nowadays, it has more powerful performance, could meet laser welding tube mill line's demand. It has the following significant advantages:

1. Constant temperature: Only when the temperature of the insulation zone is constant can the stable performance of the solid solution be ensured. Because the temperature detection of the rapid heater is directly inserted into the furnace through a high-precision and high-temperature-resistant platinum-rhodium thermocouple, the actual temperature in the furnace is detected, and the temperature is controlled accurately through an intelligent thermostat through PID calculation. Closed-loop control is achieved, so the temperature can be controlled within ±2°C. (1. In the past, the temperature measurement of induction heating and holding furnaces was installed outside the holding furnace. The temperature measurement point was still a certain distance from the actual heating high-temperature zone, so the temperature would deviate. 2. The hydrogen flow rate and production speed will all affect Measurement accuracy. 3. There is a quartz tube between the infrared temperature measurement and the steel pipe. If the quartz tube becomes dirty after being used for a long time, it will also affect the temperature detection).

  2. Easy installation: There is no need to replace the quartz tube, which facilitates maintenance and saves installation time. (Previous induction holding furnaces required the replacement of coils and quartz tubes to manufacture steel pipes of different specifications).

3. Save energy consumption: Rated power: customized according to the actual needs of the customer. It takes about 15 minutes to heat the room temperature to 1050°C. The rapid heater holding furnace only needs a certain amount of current to maintain the temperature after reaching the holding temperature of 1050°C. It will not The actual output power increases with the increase of steel pipe size and production line speed. (Previous induction holding furnaces manufactured steel pipes of different specifications and changed the production line speed, which required adjusting the output power of the induction power supply to ensure that the temperature of the holding zone could be at 1050°C, which increased energy consumption).

4. More user-friendly: After the rapid heater holding furnace only needs to set the holding temperature once, it will not need to be manually adjusted due to changes in the size of the steel pipe specifications and the speed of the production line. (Previous induction holding furnaces had to manually adjust the output power of the induction according to changes in steel pipe specifications and production line speed).

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Every time the finishing tube is rolled, it must go through the process of solution treatment. Ta ensure that the performance of the steel pipe meets the technical requirements. and to provide guarantee for the post-process processing or use. Bright solution treatment process of ultra-long seamless steel pipe has always been a difficulty in the industry.

Traditional electric furnace equipment is large,covers a large area, has high energy consumption and large gas consumption, so it is difficult for realize bright solution process. After years of hard work and innovative development, the use of current advanced induction heating technology and DSP power supply. Precision control of heating temperature to ensure that the temperature is controlled within t2C,to solve the technical problem of inaccurate induction heating temperature control. The heated steel pipe is cooled by "heat conduction"in a special closed cooling tunnel, which greatly reduces the gas consumption and is more environmentally friendly.
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