Electromagnetic heating type enzyme deactivating machine

Abstract

The invention provides an electromagnetic heating type de-greening machine, which includes a frame, and the de-greening cylinder is rotatably supported on the frame. A heat-insulating layer is arranged on the outer wall of the de-greening cylinder, and at least one group of coils are wound outside the heat-insulating layer. The coil is connected to the electromagnetic generator through a sliding conductive ring; in the sliding conductive ring, a conductive element is provided between the outer conductive ring and the inner conductive ring, and an insulating plate is provided between the two ends of the outer conductive ring and the inner conductive ring, The outer ring of the insulating plate is fixedly connected with the outer conductive ring, the inner ring is fixedly connected with the inner conductive ring, and the two ends of the outer conductive ring and the inner conductive ring are respectively connected with wires. By adopting the induction heating method in which the coil rotates with the killing cylinder and the high-frequency current is supplied by the sliding conductive ring, combined with the heat insulation layer, the energy consumption can be greatly reduced, and the heating and cooling speed of the induction heating is fast, and the temperature is easy to control. Conducive to improving the quality of tea products. The special sliding conductive ring structure can reduce the impact on high-frequency current transmission.

Description

technical field [0001] The invention relates to tea processing machinery, in particular to an electromagnetic heating type degreening machine. Background technique [0002] At present, firewood or coal is usually used for heating in the greening operation, but the problem is that the temperature is not easy to control, and the pollution is relatively serious. [0003] There is also a heating method using resistance wire, which also has the problems of temperature control lag, high energy consumption, and resistance wire is not corrosion-resistant. [0004] Chinese patent document CN103518872A discloses a super-audio frequency digital electromagnetic induction tea drum-type de-greening machine. By arranging an electromagnetic wire coil under the de-greening cylinder, the eddy current is used to make the de-greening cylinder self-heating, and the temperature is easy to control, but there are still The problem of high energy consumption. Contents of the invention [0005] T...

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Problems solved by technology

[0002] At present, firewood or coal is usually used for heating in the greening operation. The problem is that the temperature is not easy to control and the pollution is relatively serious.

[0003] There is also a method of heating with resistance wire, which also has the problems of temperature control lag, high energy consumption, and resistance wire is not corrosion-resistant

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