CN102735036A - Tunnel-type traditional Chinese herbal medicinal material drying equipment and control method - Google Patents
Tunnel-type traditional Chinese herbal medicinal material drying equipment and control method Download PDFInfo
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- CN102735036A CN102735036A CN2012102677385A CN201210267738A CN102735036A CN 102735036 A CN102735036 A CN 102735036A CN 2012102677385 A CN2012102677385 A CN 2012102677385A CN 201210267738 A CN201210267738 A CN 201210267738A CN 102735036 A CN102735036 A CN 102735036A
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Abstract
The invention discloses tunnel-type traditional Chinese herbal medicinal material drying equipment and a control method. The tunnel-type traditional Chinese herbal medicinal material drying equipment mainly comprises a feeding funnel chamber, a console, a drying box chamber, a discharging funnel chamber, a conveying system, a drying and cooling system and a programmable logic controller (PLC) control system, wherein the drying and cooling system comprises a microwave generation magnetron and a circulating cooling system; and the PLC control system comprises a PLC touch screen, a PLC control unit, a frequency converter for controlling the conveying speed of a conveying belt, and an online detection infrared sensor. After traditional Chinese herbal medicinal materials are fed onto the conveying belt, when the infrared sensor senses that the traditional Chinese herbal medicinal materials are conveyed to a corresponding microwave drying box, a signal is sent to the PLC control system, and the PLC control system starts the switches of the corresponding two relays KM1 of the microwave drying box according to the received signal for controlling. The equipment conveniently controls the drying parameters according to the shape, volume, slices and other properties of the Chinese herbal medicinal materials; and the no-load operation of the microwave generation magnetron is automatically avoided, so the service life of the equipment is prolonged.
Description
Technical field
The present invention relates to a kind of tunnel type Chinese medicine microwave dryer and control method.
Background technology
Tunnel type Chinese medicine microwave dryer is the equipment of continuous drying operation normally, generally is made up of a plurality of relatively independent unit boxs in the hothouse, and each control is relatively independent.Mostly under the situation in the dry run Chinese medicine continuously get into each casing successively and carry out drying through conveyer belt.Yet it is discontinuous that throat-fed can take place in the drying, do not have Chinese medicine on a certain section of the conveyer belt, and the microwave generator on casing top damages magnetron still in unloaded operation.Just get into conveyer belt at dry incunabulum Chinese medicine through charging aperture, first drying box to second, third ... Have and get into process successively Deng drying box, for fear of unloaded operation, its each microwave magnetron generator also has order unlatching problem successively.Equally when fast drying finishes, from first drying box to second, third ... Get into Light Condition successively Deng having, need close magnetron work successively.
Technology in the past is in the microwave casing, camera to be set, and the position through the screen viewing Chinese medicine manually starts or close microwave tube.This mode need manually start or close, and is difficult to control.
Summary of the invention
In order to overcome the deficiency of prior art, the purpose of this invention is to provide a kind of tunnel type Chinese medicine microwave dryer and control method.
Tunnel type Chinese medicine microwave dryer comprises that feeding small room, first connect box, operation bench, drying box chamber, second connect box, discharging small room, induction system, drying and cooling system, PLC control system; Be followed successively by feeding small room, first connect box, drying box chamber, second connect box, discharging small room from feeding funnel one side to discharge bucket one side; Operation bench is arranged on above first connect box; The drying box chamber comprises a plurality of microwave drying casings, and dry and cooling system is arranged on above the microwave drying casing; Microwave drying casing top is provided with dehumidification tube, and microwave drying casing top is provided with a staggered microwave generation magnetron, is provided with observation panel at the microwave drying oven body side surface; Induction system comprises feeding funnel, initiatively rubber roll, conveyer belt, passive rubber roll, two reductors, discharge bucket; Wherein feeding funnel is located at feeding small room top; It is indoor that initiatively rubber roll and reductor are located at feeding funnel; It is inner that the bottom transverse that conveyer belt is parallel to the microwave drying casing is passed the microwave drying casing, and passive rubber roll, that another reductor is located at discharge bucket is indoor, and discharge bucket is located at outdoor of discharge bucket; Dry and cooling system comprises microwave generation magnetron and circulating cooling system; Circulating cooling system comprises cooling water pipe, cold wind servicing unit and oil stain transformer; The oil stain transformer is arranged on above the microwave generation magnetron; Cooling water pipe is installed in oil stain transformer periphery, and the cold wind servicing unit is arranged on above the oil stain transformer; PLC control system comprises frequency converter, online detection infrared sensor, the distribution box of PLC touch-screen, PLC control module, control transport tape transmission speed; Wherein the frequency converter of PLC touch-screen, distribution box, PLC control module, control transport tape transmission speed is arranged on the operation bench; Online detection infrared sensor is installed in the front end of conveyer belt transporting water square each the microwave drying casing that makes progress, the adjustable positions of online detection infrared sensor on the conveyer belt vertical direction.
Tunnel type Chinese medicine microwave drying control method is: the characteristic according to Chinese medicine is provided with operational factor through the PLC touch-screen in PLC control system; After Chinese medicine gets into transport tape; When hot outer inductive pick-up is sensed Chinese medicine and is transported to pairing microwave drying casing; Send signal to PLC control system, PLC control system controls according to two relay K M1 switches of the corresponding microwave drying casing of the signal enabling that receives, the microwave generation magnetron work of corresponding microwave drying casing; If the infrared induction sensor is not sensed Chinese medicine, the microwave generation magnetron of this correspondence microwave drying casing is not worked.
Compared with prior art, beneficial effect of the present invention is following:
1) according to shape, volume, section and other characteristics of Chinese medicine, convenient control drying parameter;
2) avoid the no-load running of microwave generation magnetron automatically, prolonged the service life of equipment;
3) economic environmental protection is suitable for large-scale industrial application.
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation.
Description of drawings
Fig. 1 is a tunnel type Chinese medicine microwave dryer structural representation;
Fig. 2 is a microwave generation magnetron distribution schematic diagram of the present invention;
Fig. 3 is a microwave generation magnetron control circuit sketch map of the present invention;
Among the figure, feeding funnel 1, PLC touch-screen 2, distribution box 3, microwave drying casing 4, dehumidification tube 5, cooling water pipe 6, cold wind servicing unit 7, oil stain transformer 8, microwave generation magnetron 9, passive rubber roll 10, discharge bucket 11, reductor 12, online detection infrared sensor 13, observation panel 14, conveyer belt 15, active rubber roll 16.
The specific embodiment
Tunnel type Chinese medicine microwave dryer comprises feeding small room, first connect box, operation bench, drying box chamber, second connect box, discharging small room, induction system, drying and cooling system, PLC (Programmable Logic Controller) control system; Be followed successively by feeding small room, first connect box, drying box chamber, second connect box, discharging small room from feeding funnel 1 one sides to discharge bucket 11 1 sides; Operation bench is arranged on above first connect box; The drying box chamber comprises a plurality of microwave drying casings 4, and dry and cooling system is arranged on above the microwave drying casing 4; Microwave drying casing 4 tops are provided with dehumidification tube 5, and microwave drying casing 4 tops are provided with 6 staggered microwave generation magnetrons 9, are provided with observation panel 14 in microwave drying casing 4 sides; Induction system comprises feeding funnel 1, initiatively rubber roll 16, conveyer belt 15, passive rubber roll 10, two reductors 12, discharge bucket 11; Wherein feeding funnel 1 is located at feeding small room top; It is indoor that initiatively rubber roll 16 and reductor 12 are located at feeding funnel; Conveyer belt 15 is parallel to the bottom transverse of microwave drying casing 4 and passes microwave drying casing 4 inside, and passive rubber roll 10, that another reductor 12 is located at discharge bucket is indoor, and discharge bucket 11 is located at outdoor of discharge bucket; Dry and cooling system comprises microwave generation magnetron 9 and circulating cooling system; Circulating cooling system comprises cooling water pipe 6, cold wind servicing unit 7 and oil stain transformer 8; Oil stain transformer 8 is arranged on above the microwave generation magnetron 9; Cooling water pipe 6 is installed in oil stain transformer 8 peripheries, and cold wind servicing unit 7 is arranged on above the oil stain transformer 8; PLC control system comprises frequency converter, online detection infrared sensor 13, the distribution box 3 of PLC touch-screen 2, PLC control module, control transport tape transmission speed; Wherein the frequency converter of PLC touch-screen 2, distribution box 3, PLC control module, control transport tape transmission speed is arranged on the operation bench; Online detection infrared sensor 13 is installed in the front end of conveyer belt 15 transporting water square each the microwave drying casing 4 that makes progress, the adjustable positions of online detection infrared sensor 13 on conveyer belt 15 vertical direction.Each drying box 4 correspondence is provided with an infrared induction sensor 13.Infrared induction sensor 13 is installed in drying box 4 transmission nets 15 throughput direction front ends, and the position of its vertical direction still can be regulated according to the characteristic of Chinese medicine generally at 0.5-1cm place, conveyer belt 15 top.For not influencing the conveying of Chinese medicine, the lateral position of infrared induction sensor 13 is arranged on microwave drying casing 4 reveals or offside.The outer setting of infrared induction sensor 13 has the anti-microwave radiation material.
Like Fig. 1 by the tunnel type agricultural product microwave dryer of forming by 5 grades of microwave drying casings 4; In the second level of Fig. 1 microwave drying casing 4 sketch mapes (other microwave drying casings 4 at different levels do not mark out drying and cooling system in detail); Microwave generation magnetron 9 is installed in microwave drying casing 4 tops of relatively independent control; Have 6 magnetrons and be staggered (this arrangement sees Fig. 2 for details), can the microwave radiant energy be radiated on the hothouse inner drying plane comparatively equably; Circulating cooling system is made up of cooling water pipe 6, cold wind servicing unit 7 etc.; Oil stain transformer 8 oil-immersed water-cools are cooling fuel tanks, adopt five water circulation types of cooling.
Like Fig. 3, the microwave generation magnetron 9 of a plurality of unit microwave drying casings 4 needs start and stop successively or is interrupted start and stop separately separately, and the PLC control module is controlled magnetron relay K M1.Mark wherein each 6 microwave generation magnetron 9 of two unit microwave drying casings 4 among the figure, the corresponding microwave drying casing 4 of per two relay K M1, each microwave generation magnetron 9 is made up of independent control loop, and is noiseless each other.Three microwave generation magnetrons 9 of each relay K M1 control can be realized the control that reduces by half of unit box power.Relay K M1, KM2 are the common general knowledge in this area, here do not describe in detail.
Tunnel type Chinese medicine microwave drying control method is: the characteristic according to Chinese medicine is provided with operational factor through PLC touch-screen 2 in PLC control system; After Chinese medicine gets into transport tape 15; When hot outer inductive pick-up 13 is sensed Chinese medicine and is transported to pairing microwave drying casing 4; Send signal to PLC control system, PLC control system controls according to two relay K M1 switches of the corresponding microwave drying casing 4 of the signal enabling that receives, microwave generation magnetron 9 work of corresponding microwave drying casing 4; If infrared induction sensor 13 is not sensed Chinese medicine, the microwave generation magnetron 9 of this correspondence microwave drying casing 4 is not worked.Whether infrared induction sensor 13 sensors are mainly used in the REAL TIME INFRARED THERMAL IMAGE induction has Chinese medicine to be transferred, and the infrared induction signal is sent to PLC control system.In the work, carry untimely or the interruption feeding if Chinese medicine occurs, two relay K M1 switches of corresponding microwave drying casing 4 also will cut out or open microwaves corresponding generation magnetron 9 automatically.
Claims (2)
1. a tunnel type Chinese medicine microwave dryer is characterized in that it comprises that feeding small room, first connect box, operation bench, drying box chamber, second connect box, discharging small room, induction system, drying and cooling system, PLC control system; Be followed successively by feeding small room, first connect box, drying box chamber, second connect box, discharging small room from feeding funnel (1) one side to discharge bucket (11) one sides; Operation bench is arranged on above first connect box; The drying box chamber comprises a plurality of microwave drying casings (4), and dry and cooling system is arranged on above the microwave drying casing (4); Microwave drying casing (4) top is provided with dehumidification tube (5), and microwave drying casing (4) top is provided with (6) individual staggered microwave generation magnetrons (9), is provided with observation panel (14) in microwave drying casing (4) side; Induction system comprises feeding funnel (1), active rubber roll (16), conveyer belt (15), passive rubber roll (10), two reductors (12), discharge bucket (11); Wherein feeding funnel (1) is located at feeding small room top; It is indoor that initiatively a rubber roll (16) and a reductor (12) are located at feeding funnel; Conveyer belt (15) is parallel to the bottom transverse of microwave drying casing (4) and passes microwave drying casing (4) inside; Passive rubber roll (10), that another reductor (12) is located at discharge bucket is indoor, and discharge bucket (11) is located at outdoor of discharge bucket; Dry and cooling system comprises microwave generation magnetron (9) and circulating cooling system; Circulating cooling system comprises cooling water pipe (6), cold wind servicing unit (7) and oil stain transformer (8); Oil stain transformer (8) is arranged on above the microwave generation magnetron (9); Cooling water pipe (6) is installed in oil stain transformer (8) periphery, and cold wind servicing unit (7) is arranged on above the oil stain transformer (8); PLC control system comprises frequency converter, online detection infrared sensor (13), the distribution box (3) of PLC touch-screen (2), PLC control module, control transport tape transmission speed; Wherein the frequency converter of PLC touch-screen (2), distribution box (3), PLC control module, control transport tape transmission speed is arranged on the operation bench; Online detection infrared sensor (13) is installed in the front end of conveyer belt (15) transporting water square each the microwave drying casing (4) that makes progress, the adjustable positions of online detection infrared sensor (13) on conveyer belt (15) vertical direction.
2. one kind is used the tunnel type Chinese medicine microwave drying control method of equipment according to claim 1; It is characterized in that: the characteristic according to Chinese medicine is provided with operational factor through PLC touch-screen (2) in PLC control system; After Chinese medicine gets into transport tape (15); When hot outer inductive pick-up (13) is sensed Chinese medicine and is transported to pairing microwave drying casing (4); Send signal to PLC control system, PLC control system controls according to two relay K M1 switches of the corresponding microwave drying casing of the signal enabling that receives (4), microwave generation magnetron (9) work of corresponding microwave drying casing (4); If infrared induction sensor (13) is not sensed Chinese medicine, the microwave generation magnetron (9) of this correspondence microwave drying casing (4) is not worked.
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| CN2012102677385A CN102735036A (en) | 2012-07-30 | 2012-07-30 | Tunnel-type traditional Chinese herbal medicinal material drying equipment and control method |
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| CN2012102677385A CN102735036A (en) | 2012-07-30 | 2012-07-30 | Tunnel-type traditional Chinese herbal medicinal material drying equipment and control method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104188071A (en) * | 2014-07-14 | 2014-12-10 | 浙江大学 | Tunnel type vegetable microwave drying machine and automatic no-load preventing method thereof |
| CN105758126A (en) * | 2016-04-27 | 2016-07-13 | 贡享本草（永泰）生物科技有限公司 | Roxburgh anoectochilus terminal bud microwave variable-frequency cold drying method and dedicated device |
| CN106123542A (en) * | 2016-06-30 | 2016-11-16 | 芜湖杨燕制药有限公司 | Chinese herbal medicine sterilizing drying machine |
| CN106225456A (en) * | 2016-08-29 | 2016-12-14 | 贵州苗仁堂制药有限责任公司 | Belt microwave dehydrator |
| CN106839729A (en) * | 2017-02-22 | 2017-06-13 | 南京航空航天大学 | A kind of tunnel type powder heating, drying device |
| CN107694871A (en) * | 2017-11-17 | 2018-02-16 | 江苏帕尔克玩具有限公司 | Drying unit is used in a kind of building blocks painting process |
| TWI700996B (en) * | 2019-05-31 | 2020-08-11 | 臺旺食品工業股份有限公司 | Compound food continuous drying equipment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104188071A (en) * | 2014-07-14 | 2014-12-10 | 浙江大学 | Tunnel type vegetable microwave drying machine and automatic no-load preventing method thereof |
| CN105758126A (en) * | 2016-04-27 | 2016-07-13 | 贡享本草（永泰）生物科技有限公司 | Roxburgh anoectochilus terminal bud microwave variable-frequency cold drying method and dedicated device |
| CN106123542A (en) * | 2016-06-30 | 2016-11-16 | 芜湖杨燕制药有限公司 | Chinese herbal medicine sterilizing drying machine |
| CN106225456A (en) * | 2016-08-29 | 2016-12-14 | 贵州苗仁堂制药有限责任公司 | Belt microwave dehydrator |
| CN106839729A (en) * | 2017-02-22 | 2017-06-13 | 南京航空航天大学 | A kind of tunnel type powder heating, drying device |
| CN107694871A (en) * | 2017-11-17 | 2018-02-16 | 江苏帕尔克玩具有限公司 | Drying unit is used in a kind of building blocks painting process |
| TWI700996B (en) * | 2019-05-31 | 2020-08-11 | 臺旺食品工業股份有限公司 | Compound food continuous drying equipment |
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Application publication date: 20121017 |