Induction heating furnace provided with half-split panel induction coils

Abstract

The invention relates to an online induction heating technology for steel plates. An induction heating furnace with split flat induction coils, comprising an upper set of flat induction coils (2) and a lower set of flat induction coils (6), the lower set of flat induction coils is fixedly installed on the induction furnace support, and the upper set of flat induction coils The coil is installed on the frame that can move up and down. The upper group of flat induction coils and the lower group of flat induction coils form a pair of flat induction coils. The heated plate (1) passes between the upper and lower two groups of flat induction coils; the flat induction coil includes copper tubes (3) and yoke (4), the yoke is E-shaped, and the two working sections of the multi-turn copper tube coil are respectively placed in two inner grooves of the E-shaped yoke and placed in parallel, and placed in front of the E-shaped groove of the yoke The copper tube inside is the front copper tube, and the copper tube placed at the back of the E-shaped groove of the yoke is the rear copper tube. The current direction flowing through the front copper tube and the rear copper tube is opposite. When encountering a severely warped steel plate during production, the upper set of plate induction coils can be lifted quickly.

Description

technical field [0001] The invention relates to an on-line induction heating technology for steel plates, in particular to an induction heating furnace with a split plate induction coil, which is suitable for the thermomechanical control process technology of medium-thick steel plates. Background technique [0002] With the advancement of science and technology, the scope of material application continues to expand, and people's requirements for material performance are becoming more and more stringent. Thermomechanical control process (TMCP) has an important impact on the performance of materials, and can realize the production of steel plates with special properties, such as those with excellent welding performance. High-strength steel, steel for high-rise buildings, and steel for large ships can greatly improve the quality of thick plates, and have a particularly significant impact on the performance of thick plates. An important feature of the new generation of TMCP tech...

AI Technical Summary

Problems solved by technology

When using a transverse magnetic field to heat a single steel plate, although the coil spacing can also be adjusted according to the thickness of the steel plate and the sudden production situation, there is a problem that the current gathers at the front end of the steel plate at the beginning of heating and causes the temperature to overheat there.

If the method of splicing the steel plate at the front end of the steel plate or heating from the middle of the steel plate is adopted, although the problem of overburning at the end can be solved, these methods are not operable at all in the actual mass production process

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