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Efficient electromagnetic heating tube

A heating tube and electromagnetic technology, applied in the direction of induction heating, etc., can solve the problems of uneven heating and low thermal efficiency of electromagnetic heating tubes, and achieve the effects of fast heat transfer, excellent thermal efficiency, and uniform heating

Inactive Publication Date: 2014-06-25
天津市龙津科技有限公司
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is the disadvantages of uneven heating and low thermal efficiency of existing electromagnetic heating tubes. To provide a high-efficiency electromagnetic heating tube with high thermal efficiency and uniform heating

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Embodiment

[0016] The high-efficiency electromagnetic heating tube of the present invention, as attached figure 1 As shown, the sequence from the outer layer to the inner layer is: induction coil layer 1, heat insulation layer 2, heating body layer 3, heated material retention layer 4, intermediate heating body layer 5, inner material retention layer 6, The middle heating body layer 5 and the heating body layer 3 are ferromagnetic metal tubes.

[0017] In the middle heating body layer 5 or the heated substance retaining layer 4, a mesh heat conductor is arranged, which is made of heat conduction material. The middle heating body layer 5 is placed in the area of ​​dense magnetic field, so that it can generate heat.

[0018] The substances to be heated flow into the heated substance retention layer 4 and the inner substance retention layer 6 respectively, and are heated together by the heating body layer 3 and the middle heating body layer 5, and the substance in the inner substance reten...

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Abstract

The invention relates to the field of electromagnetic heaters, and in particular relates to an efficient electromagnetic heating tube which successively comprises an induction coil layer, a heat insulating layer, a heating body layer, a heated material retention layer, a middle heating body layer and an inner layer material retention layer from outside to inside. The middle heating body layer is a ferromagnetic metal tube. A net-shaped heat conductor is arranged in the middle heating body layer. The heated material retention layer is provided with a net-shaped heat conductor. According to the invention, the middle heating body layer is added in the existing electromagnetic heating tube; a heated material can be jointly heated by the heating body layer and the middle heating body layer, thus both sides of the heated material are heated; fast heat transfer and uniform heating are realized, thus the heat efficiency is greatly improved; the net-shaped heat conductor is arranged in the heated material retention layer or the middle heating body layer, which increases the area of heat transfer and improves a heating effect; the heat efficiency is greater than the heat efficiency of the existing technology; and the efficient electromagnetic heating tube has high versatility, and can replace the existing electromagnetic heating tube and resistor heating tube.

Description

technical field [0001] The invention relates to the field of electromagnetic heaters, in particular to a high-efficiency electromagnetic heating tube. Background technique [0002] Existing heating pipes are generally made of black ferromagnetic metal. In order to improve heat utilization, the thickness of the pipe wall should not be too small or too large. The tubular electromagnetic heating body currently used is generally a single-layer tube, and the high-frequency alternating magnetic field generated by the electromagnetic controller and the electromagnetic coil is mainly concentrated in the space of 20-30MM on the surface of the tube wall. Therefore, the electromagnetic field can only be used as a heating body. The tube wall of the first layer is heating, which makes the heated substance in the tube heated from the outside to the inside, and affected by the heat conduction efficiency, the inner layer closer to the center of the circle is heated more slowly. Therefore, ...

Claims

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Application Information

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IPC IPC(8): H05B6/02
Inventor 张兆龙
Owner 天津市龙津科技有限公司
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