Tunnel type microwave generation magnetron automatic control drying device and method of agricultural products

A technology of microwave generation and microwave drying, which is applied in the direction of progressive dryers, drying solid materials, lighting and heating equipment, etc., can solve problems such as difficult control, and achieve the effects of prolonging service life, avoiding no-load operation, and drying evenly

Inactive Publication Date: 2012-10-24
ZHEJIANG UNIV
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  • Application Information

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Problems solved by technology

This method requires manual activation or shutdown, which is difficult to control

Method used

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  • Tunnel type microwave generation magnetron automatic control drying device and method of agricultural products
  • Tunnel type microwave generation magnetron automatic control drying device and method of agricultural products
  • Tunnel type microwave generation magnetron automatic control drying device and method of agricultural products

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Embodiment Construction

[0016] Tunnel-type microwave generator magnetron automatic control drying equipment for agricultural products includes feeding hopper room, first connection box, console, drying box room, second connection box, discharge hopper room, conveying system, drying and cooling system, PLC control System; from the side of the hopper 1 to the side of the hopper 11, there are the hopper room, the first connection box, the drying box room, the second connection box, and the hopper room; the console is set on the first connection box ; The drying box chamber includes a plurality of microwave drying boxes 4, generally 3-8, and the drying box is made of high-quality stainless steel plate and double-layer black rubber and plastic insulation board. The drying and cooling system is set on the microwave drying box 4; the top of the microwave drying box 4 is provided with a moisture discharge pipe 5, and the upper part of the microwave drying box 4 is provided with 6 microwave generating magnet...

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Abstract

The invention discloses a tunnel type microwave generation magnetron automatic control drying device and method of agricultural products. A microwave drying device comprises a feeding hopper chamber, a first connection box body, a control platform, a drying box chamber, a second connection box body, a discharge hopper chamber, a transport system, a drying and cooling system and a programmable logic controller (PLC) control system. The PLC control system comprises a PLC touch screen, a PLC control unit, a transducer for controlling transmission speed of a transmission band, a pressure sensing sensor, a revolution speed sensor and a distribution box, the PLC control system effectively calculates the transmission speed of the transmission band according to transmission ratio and effective transmission radius and calculates time transmitting to each drying box according to preset distance between a feeding hopper to each microwave drying box, and the PLC control unit controls a microwave generation magnetron corresponding to the each microwave drying box to start and stop according to calculated time. The tunnel type microwave generation magnetron automatic control drying device automatically tracks, starts and stops the microwave generation magnetron, avoids no-load running and prolongs service life of the microwave generation magnetron.

Description

technical field [0001] The invention relates to a tunnel type microwave generating magnetron automatic control drying equipment and method for agricultural products. Background technique [0002] Tunnel-type microwave drying equipment for agricultural products is usually equipment for continuous drying operations. The drying room is generally composed of multiple relatively independent and integrated drying boxes, and the control of each drying box is relatively independent. During drying, the agricultural products are dried in the drying box in turn. However, at the initial stage of drying, the agricultural products have just entered the conveyor belt through the feed port, and there is a sequential entry process from the first drying box to the second, third, ... and other drying boxes. In order to avoid no-load operation, each magnetron microwave generator needs to be turned on sequentially. Also at the end of the drying process, from the first drying cabinet to t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B15/18F26B3/347F26B25/22
Inventor 王俊韦真博程绍明赵力勤王永维
Owner ZHEJIANG UNIV
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