CN206310886U - A kind of continous way hot wind and microwave couples drying system - Google Patents
A kind of continous way hot wind and microwave couples drying system Download PDFInfo
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- 238000001035 drying Methods 0.000 title claims abstract description 60
- 239000000463 material Substances 0.000 claims abstract description 76
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 230000008878 coupling Effects 0.000 claims abstract description 21
- 238000010168 coupling process Methods 0.000 claims abstract description 21
- 238000005859 coupling reaction Methods 0.000 claims abstract description 21
- 238000005485 electric heating Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 10
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007605 air drying Methods 0.000 abstract 1
- 238000007602 hot air drying Methods 0.000 description 8
- 239000002184 metal Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
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- 238000009826 distribution Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
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Abstract
Description
技术领域technical field
本实用新型涉及一种连续式热风微波耦合干燥系统，尤其是涉及一种在物料传送的过程中，实现热风和微波两种方式同时加热物料，进行干燥的系统，本系统可以充分发挥两种干燥方式各自的优点，达到提高干燥质量和干燥效率的目的，属于农产品加工领域。The utility model relates to a continuous hot air and microwave coupling drying system, in particular to a system that realizes heating and drying of materials by means of hot air and microwave in the process of material transmission, and the system can give full play to the two drying methods. The respective advantages of the methods can achieve the purpose of improving the drying quality and drying efficiency, and belong to the field of agricultural product processing.
背景技术Background technique
食品、农产品的干燥具有面广量大的特点，如何用低能耗获得优质的干燥产品是食品和农产品干燥研究的一个重要方向。在干燥技术中，热风干燥技术具有设备简单、成本低的优势；热风干燥中，物料加热是由外向内通过热传导的方式进行，传热和传质方向相反，干燥速度慢，成本高、干燥产品的品质损失大。微波对物料内外同时加热，但单一的微波干燥方式的能耗大，处理量小，并且常常由于外表面散热不及时，使得物体内部温升过高，从而造成干燥效果不佳。若将热风场和微波场耦合在一起，对物料进行干燥，则可以体现出两种干燥方式的优点：1)实现物料内外同时加热，提高了热、质传递速度；2)热风场可以使环境温度上升，加大系统抽湿能力，避免水蒸汽在内部结露；3)合理地分配热风和微波两者之间的比例，可提高处理量和降低干燥成本；4)在不同物料的干燥上，可以同时发挥各自的工艺优势。现在虽然也有一些关于热风场和微波场耦合干燥的装置，但现有的装置采用间歇式干燥方式，无法实现连续生产。The drying of food and agricultural products has the characteristics of wide range and large quantity. How to obtain high-quality dried products with low energy consumption is an important direction of food and agricultural product drying research. In the drying technology, the hot air drying technology has the advantages of simple equipment and low cost; in the hot air drying, the material is heated from the outside to the inside through heat conduction, and the direction of heat transfer and mass transfer is opposite, the drying speed is slow, the cost is high, and the dry product The quality loss is large. Microwaves heat the inside and outside of the material at the same time, but the single microwave drying method consumes a lot of energy, and the processing capacity is small, and often the internal temperature of the object rises too high due to the untimely heat dissipation on the outer surface, resulting in poor drying effect. If the hot air field and the microwave field are coupled together to dry the material, the advantages of the two drying methods can be reflected: 1) the material can be heated inside and outside at the same time, and the heat and mass transfer speed can be improved; 2) the hot air field can make the environment As the temperature rises, the dehumidification capacity of the system is increased to avoid condensation of water vapor inside; 3) Reasonable distribution of the ratio between hot air and microwave can increase the processing capacity and reduce the drying cost; 4) In the drying of different materials , can play their respective technological advantages at the same time. Although there are some devices about coupling drying of hot air field and microwave field, the existing devices adopt batch drying method and cannot realize continuous production.
发明内容Contents of the invention
本实用新型要解决的技术问题是：本实用新型提供一种连续式热风微波耦合干燥系统，用于解决食品、农产品的干燥过程中干燥速度慢，成本高、干燥产品的品质损失大，能耗大，处理量小，并且常常由于外表面散热不及时，使得物体内部温升过高，从而造成干燥效果不佳等问题。The technical problem to be solved by the utility model is: the utility model provides a continuous hot air microwave coupling drying system, which is used to solve the problems of slow drying speed, high cost, large quality loss of dried products and energy consumption in the drying process of food and agricultural products. Large, small processing capacity, and often because the outer surface does not dissipate heat in time, the internal temperature rise of the object is too high, resulting in poor drying effect and other problems.
本实用新型技术方案是：一种连续式热风微波耦合干燥系统，包括物料输送部分、热风部分、微波部分；The technical solution of the utility model is: a continuous hot air microwave coupling drying system, including a material conveying part, a hot air part and a microwave part;
所述物料输送部分包括进料料斗1、进料输送带2、驱动电机3、主动辊4、伸缩杆10、产品收集料斗11、出料输送带12、支撑托辊13、滚筒17；物料放置在进料料斗1中，进料的底部放置进料输送带2，进料输送带2一端放置在进料料斗1的下方，另外一端放置在滚筒17中，滚筒放置在主动辊4、从动棍20和支撑托辊13上，主动辊4和驱动电机3相连并放置在伸缩杆10上，由伸缩杆10调节滚筒17的倾斜角度，驱动电机3带动主动辊4和滚筒17进行旋转，从滚筒17中送出的物料落到滚筒17下方的产品收集料斗11，在产品收集料斗11的下方安装有出料输送带12；The material conveying part includes a feed hopper 1, a feed conveyor belt 2, a drive motor 3, a drive roller 4, a telescopic rod 10, a product collection hopper 11, a discharge conveyor belt 12, a support roller 13, and a drum 17; In the feed hopper 1, the feed conveyor belt 2 is placed at the bottom of the feed, one end of the feed conveyor belt 2 is placed under the feed hopper 1, and the other end is placed in the drum 17, and the drum is placed on the driving roller 4, driven On the stick 20 and the support roller 13, the driving roller 4 is connected with the driving motor 3 and placed on the telescopic rod 10, the inclination angle of the drum 17 is adjusted by the telescopic rod 10, and the driving motor 3 drives the driving roller 4 and the drum 17 to rotate, from The material sent out from the drum 17 falls to the product collection hopper 11 below the drum 17, and a discharge conveyor belt 12 is installed below the product collection hopper 11;
所述热风部分包括离心式鼓风机5、加热腔6、电热管7、匀风板8、温度传感器9、排气口19；离心式鼓风机5与加热腔6相连，加热腔6中安装电热管7，加热腔6顶部安装有匀风板8，热风部分上方设有物料输送部分，物料输送部分上方安装有排气口19；The hot air part includes a centrifugal blower 5, a heating chamber 6, an electric heating pipe 7, an air uniform plate 8, a temperature sensor 9, and an exhaust port 19; the centrifugal blower 5 is connected to the heating chamber 6, and the electric heating pipe 7 is installed in the heating chamber 6 , the top of the heating chamber 6 is equipped with a uniform air plate 8, a material conveying part is arranged above the hot air part, and an exhaust port 19 is installed above the material conveying part;
所述微波部分包括横梁15、微波磁控管16；横梁15固定在系统外壳18内壁上且位于滚筒17内，微波磁控管16安装在横梁15上，溃口向下发射微波。The microwave part includes a beam 15 and a microwave magnetron 16; the beam 15 is fixed on the inner wall of the system shell 18 and is located in the drum 17, the microwave magnetron 16 is installed on the beam 15, and the mouth emits microwaves downward.
所述滚筒17呈圆筒形，滚筒17内安装有螺旋状导轨。The drum 17 is cylindrical, and a helical guide rail is installed in the drum 17 .
所述滚筒17的进料口和出料口设有微波屏蔽罩14，用于防止微波泄漏，滚筒17内微波磁控管16下方安装微波屏蔽罩14，用于保护微波磁控管16不受微波反射损坏。The feeding port and the discharge port of the drum 17 are provided with a microwave shielding cover 14, which is used to prevent microwave leakage, and a microwave shielding cover 14 is installed below the microwave magnetron 16 in the drum 17 to protect the microwave magnetron 16 from Microwave reflection damage.
还包括控制部分，控制部分采用单片机或PLC，控制部分分别与物料输送部分的驱动电机3，热风部分的离心式鼓风机5、温度传感器9，微波部分的微波磁控管16相连。Also includes a control part, the control part adopts a single-chip microcomputer or PLC, and the control part is connected with the driving motor 3 of the material conveying part, the centrifugal blower 5 and the temperature sensor 9 of the hot air part, and the microwave magnetron 16 of the microwave part.
本实用新型的工作原理是：The working principle of the utility model is:
该系统的物料输送部分可以实现物料从入口到出口的输送，输送部分包括进料料斗、进料输送带、物料滚筒、产品收集料斗和出料输送带，物料滚筒内安装有螺旋状导轨，物料滚筒与水平面之间有一定的夹角且夹角可由伸缩杆调节，物料在滚筒内沿着螺旋轨迹运动，实现物料自动从入口往出口处的运动。离心式鼓风机产生的气流经过加热腔后，热空气从加热腔的匀风板吹出，通过滚筒上的筛孔进入滚筒内，与物料接触，加热物料并带走所蒸发出来的水分。滚筒内安装有一根固定横梁，磁控管安装在横梁上，馈口向下发射微波，当热风和磁控管同时工作时，在滚筒内就实现了热风场和微波场的耦合，两种方式对物料加热，发挥各自的优点，提高物料干燥的质量和效率，物料在运动过程中进行干燥。控制部分可以实现对物料输送、热风加热、微波加热三部分装置的控制，同时可以针对不同物料进行干燥工艺参数的调整。The material conveying part of the system can realize the conveying of materials from the entrance to the exit. The conveying part includes the feed hopper, the feed conveyor belt, the material drum, the product collection hopper and the discharge conveyor belt. The material drum is equipped with a spiral guide rail, and the material There is a certain angle between the drum and the horizontal surface and the angle can be adjusted by the telescopic rod. The material moves along the spiral track in the drum to realize the automatic movement of the material from the entrance to the exit. After the airflow generated by the centrifugal blower passes through the heating chamber, the hot air is blown out from the air uniform plate of the heating chamber, enters the drum through the screen holes on the drum, contacts with the material, heats the material and takes away the evaporated moisture. There is a fixed beam installed in the drum, the magnetron is installed on the beam, and the feed port emits microwaves downward. When the hot air and the magnetron work at the same time, the coupling of the hot air field and the microwave field is realized in the drum. Two ways Heating the materials, giving full play to their respective advantages, improving the quality and efficiency of drying the materials, and drying the materials during the movement. The control part can realize the control of the three-part device of material conveying, hot air heating and microwave heating, and can adjust the drying process parameters for different materials at the same time.
所述离心式鼓风机5位于整个系统的底部，用于产生气流，气流吹向鼓风机右侧的加热腔6中，加热腔6中安装电热管7，被加热的空气通过加热腔6的顶部的匀风板8吹出，吹向位于上方的滚筒17中，气流经过滚筒17后从位于装置上方的排气口19中排出；所述热风部分用于加热空气，并将热空气吹向滚筒，从而带走物料的水分；Described centrifugal blower 5 is positioned at the bottom of whole system, is used for generating airflow, and airflow is blown in the heating chamber 6 on the right side of blower, and electric heating pipe 7 is installed in heating chamber 6, and the heated air passes through the uniform heating chamber 6 top. Wind board 8 blows out, and blows in the drum 17 that is positioned at the top, and airflow is discharged from the air outlet 19 that is positioned at device top after passing through drum 17; Take away the moisture of the material;
本系统既可以实现单一热风干燥或者单一微波干燥，还可以实现热风和微波耦合干燥，充分发挥两种干燥方法的优势，改善干燥产品的品质，提高干燥效率，降低干燥成本。利用热风和微波耦合的方式进行物料的干燥，同时可实现连续进料和出料，真正实现连续干燥生产。This system can not only achieve single hot air drying or single microwave drying, but also realize coupled drying of hot air and microwave, give full play to the advantages of the two drying methods, improve the quality of dried products, increase drying efficiency and reduce drying costs. The drying of materials is carried out by means of hot air and microwave coupling, and continuous feeding and discharging can be realized at the same time, truly realizing continuous drying production.
物料滚筒17呈圆筒形，滚筒17放置在支撑托辊13上，通过主动辊4带动滚筒17旋转，滚筒17的表面有筛孔，滚筒17与水平面之间有一定的夹角，且角度可由伸缩杆10调节，滚筒17内安装有螺旋状导轨；待干燥的物料从进料料斗1落到进料输送带2上，输送带将物料送入到干燥滚筒17中，滚筒17在驱动辊的带动下旋转，物料在滚筒17中呈螺旋状运动，使物料从入口运动到出口处。干燥完成后的物料落入到产品收集料斗11中，通过输送带送出，完成干燥过程。The material drum 17 is cylindrical. The drum 17 is placed on the support roller 13. The driving roller 4 drives the drum 17 to rotate. The surface of the drum 17 has sieve holes. There is a certain angle between the drum 17 and the horizontal plane, and the angle can be determined by The telescopic rod 10 is adjusted, and a spiral guide rail is installed in the drum 17; the material to be dried falls from the feeding hopper 1 onto the feeding conveyor belt 2, and the conveyor belt sends the material into the drying drum 17, and the drum 17 is driven by the driving roller. Driven to rotate, the material moves in a spiral shape in the drum 17, so that the material moves from the entrance to the exit. The dried material falls into the product collection hopper 11 and is sent out through the conveyor belt to complete the drying process.
通过离心式鼓风机5将空气送入到加热腔6中进行加热，加热后的空气通过匀风板8吹入到物料滚筒17内，将物料加热，并带走蒸发出来的水分，从排气口中排出；鼓风机的转速可调，由控制部分实现风量大小和热风温度的控制。The air is sent into the heating chamber 6 by the centrifugal blower 5 for heating, and the heated air is blown into the material drum 17 through the air uniform plate 8 to heat the material, and take away the evaporated water, and discharge it from the exhaust port. Discharge; the speed of the blower is adjustable, and the control part realizes the control of the air volume and the temperature of the hot air.
产生微波的磁控管安放在位于滚筒17内的横梁15上，横梁15两端固定在腔体内壁上，由控制部分调节微波功率大小；滚筒17的进料口和出料口有微波屏蔽罩14，防止微波泄漏，滚筒内微波磁控管16下方安装微波屏蔽罩14，保护磁控管不受微波反射损坏。The magnetron for generating microwaves is placed on the beam 15 located in the drum 17, and the two ends of the beam 15 are fixed on the inner wall of the cavity, and the microwave power is adjusted by the control part; the inlet and outlet of the drum 17 have microwave shielding covers 14. To prevent microwave leakage, a microwave shielding cover 14 is installed under the microwave magnetron 16 in the drum to protect the magnetron from being damaged by microwave reflection.
控制部分可以实现单一热风工作或者单一微波工作，还可以实现热风和微波两种加热方式同时工作，并且可以根据不同物料的特点，分别调整两种加热方式的输入功率大小。The control part can realize single hot air work or single microwave work, and can also realize two heating methods of hot air and microwave to work at the same time, and can adjust the input power of the two heating methods according to the characteristics of different materials.
本实用新型的有益效果是：The beneficial effects of the utility model are:
1、采用输送带和倾斜旋转滚筒的方式，在物料的运动过程中实现干燥，达到连续生产的目的。1. Adopt the method of conveyor belt and inclined rotating drum to realize drying during the movement of materials and achieve the purpose of continuous production.
2、采用热风场和微波场相耦合的方式进行物料的加热，利用各自加热的特点，提高了干燥物料的品质，缩短了干燥时间，降低干燥的成本。2. The heating of the material is carried out in the way of coupling the hot air field and the microwave field, and the quality of the dried material is improved by using the characteristics of each heating, the drying time is shortened, and the drying cost is reduced.
3、控制部分可以实现微波功率的分时、分区控制；热风干燥温度和风量控制，以及物料输送速度的控制。3. The control part can realize time-sharing and zone control of microwave power; control of hot air drying temperature and air volume, and control of material conveying speed.
4、该系统适用物料广泛，具有较好的节能降耗功能。4. The system is suitable for a wide range of materials and has a good function of energy saving and consumption reduction.
附图说明Description of drawings
图1是本实用新型结构示意图；Fig. 1 is a structural representation of the utility model;
图2是本实用新型滚筒传动示意图。Fig. 2 is a schematic diagram of the drum transmission of the utility model.
图1-2中各标号：1-进料料斗、2-进料输送带、3-驱动电机、4-主动辊、5-离心式鼓风机、6-加热腔、7-电热管、8-匀风板、9-温度传感器、10-伸缩杆、11-产品收集料斗、12-出料输送带、13-支撑托辊、14-微波屏蔽罩、15-横梁、16-微波磁控管、17-滚筒、18-系统外壳、19-排气口、20-从动辊。The labels in Figure 1-2: 1-feed hopper, 2-feed conveyor belt, 3-drive motor, 4-driving roller, 5-centrifugal blower, 6-heating chamber, 7-electric heating tube, 8-uniform Air plate, 9-temperature sensor, 10-telescopic rod, 11-product collection hopper, 12-discharge conveyor belt, 13-support roller, 14-microwave shielding cover, 15-beam, 16-microwave magnetron, 17 -Roller, 18-system shell, 19-exhaust port, 20-driven roller.
具体实施方式detailed description
下面结合附图和具体实施例，对本实用新型作进一步说明。Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.
实施例1：如图1-2所示，一种连续式热风微波耦合干燥系统，包括物料输送部分、热风部分、微波部分；Embodiment 1: As shown in Figure 1-2, a continuous hot air microwave coupling drying system includes a material conveying part, a hot air part, and a microwave part;
所述物料输送部分包括进料料斗1、进料输送带2、驱动电机3、主动辊4、伸缩杆10、产品收集料斗11、出料输送带12、支撑托辊13、滚筒17；物料放置在进料料斗1中，进料的底部放置进料输送带2，进料输送带2一端放置在进料料斗1的下方，另外一端放置在滚筒17中，滚筒放置在主动辊4、从动棍20和支撑托辊13上，主动辊4和驱动电机3相连并放置在伸缩杆10上，由伸缩杆10调节滚筒17的倾斜角度，驱动电机3带动主动辊4和滚筒17进行旋转，从滚筒17中送出的物料落到滚筒17下方的产品收集料斗11，在产品收集料斗11的下方安装有出料输送带12；The material conveying part includes a feed hopper 1, a feed conveyor belt 2, a drive motor 3, a drive roller 4, a telescopic rod 10, a product collection hopper 11, a discharge conveyor belt 12, a support roller 13, and a drum 17; In the feed hopper 1, the feed conveyor belt 2 is placed at the bottom of the feed, one end of the feed conveyor belt 2 is placed under the feed hopper 1, and the other end is placed in the drum 17, and the drum is placed on the driving roller 4, driven On the stick 20 and the support roller 13, the driving roller 4 is connected with the driving motor 3 and placed on the telescopic rod 10, the inclination angle of the drum 17 is adjusted by the telescopic rod 10, and the driving motor 3 drives the driving roller 4 and the drum 17 to rotate, from The material sent out from the drum 17 falls to the product collection hopper 11 below the drum 17, and a discharge conveyor belt 12 is installed below the product collection hopper 11;
所述热风部分包括离心式鼓风机5、加热腔6、电热管7、匀风板8、温度传感器9、排气口19；离心式鼓风机5与加热腔6相连，加热腔6中安装电热管7，加热腔6顶部安装有匀风板8，热风部分上方设有物料输送部分，物料输送部分上方安装有排气口19；The hot air part includes a centrifugal blower 5, a heating chamber 6, an electric heating pipe 7, an air uniform plate 8, a temperature sensor 9, and an exhaust port 19; the centrifugal blower 5 is connected to the heating chamber 6, and the electric heating pipe 7 is installed in the heating chamber 6 , the top of the heating chamber 6 is equipped with a uniform air plate 8, a material conveying part is arranged above the hot air part, and an exhaust port 19 is installed above the material conveying part;
所述微波部分包括横梁15、微波磁控管16；横梁15固定在系统外壳18内壁上且位于滚筒17内，微波磁控管16安装在横梁15上，溃口向下发射微波。The microwave part includes a beam 15 and a microwave magnetron 16; the beam 15 is fixed on the inner wall of the system shell 18 and is located in the drum 17, the microwave magnetron 16 is installed on the beam 15, and the mouth emits microwaves downward.
所述滚筒17呈圆筒形，滚筒17内安装有螺旋状导轨。The drum 17 is cylindrical, and a helical guide rail is installed in the drum 17 .
实施例2：如图1-2所示，一种连续式热风微波耦合干燥系统，本实施例与实施例1结构相同，其中所述滚筒17的进料口和出料口设有微波屏蔽罩14，用于防止微波泄漏，滚筒17内微波磁控管16下方安装微波屏蔽罩14，用于保护微波磁控管16不受微波反射损坏。Embodiment 2: As shown in Figure 1-2, a continuous hot air microwave coupling drying system, the structure of this embodiment is the same as that of Embodiment 1, wherein the inlet and outlet of the drum 17 are provided with a microwave shielding cover 14. It is used to prevent microwave leakage. A microwave shielding cover 14 is installed under the microwave magnetron 16 in the drum 17 to protect the microwave magnetron 16 from being damaged by microwave reflection.
实施例3：如图1-2所示，一种连续式热风微波耦合干燥系统，包括物料输送部分、热风部分、微波部分；Embodiment 3: As shown in Figure 1-2, a continuous hot air microwave coupling drying system includes a material conveying part, a hot air part, and a microwave part;
所述物料输送部分包括进料料斗1、进料输送带2、驱动电机3、主动辊4、伸缩杆10、产品收集料斗11、出料输送带12、支撑托辊13、滚筒17；物料放置在进料料斗1中，进料的底部放置进料输送带2，进料输送带2一端放置在进料料斗1的下方，另外一端放置在滚筒17中，滚筒放置在主动辊4、从动棍20和支撑托辊13上，主动辊4和驱动电机3相连并放置在伸缩杆10上，由伸缩杆10调节滚筒17的倾斜角度，驱动电机3带动主动辊4和滚筒17进行旋转，从滚筒17中送出的物料落到滚筒17下方的产品收集料斗11，在产品收集料斗11的下方安装有出料输送带12；The material conveying part includes a feed hopper 1, a feed conveyor belt 2, a drive motor 3, a drive roller 4, a telescopic rod 10, a product collection hopper 11, a discharge conveyor belt 12, a support roller 13, and a drum 17; In the feed hopper 1, the feed conveyor belt 2 is placed at the bottom of the feed, one end of the feed conveyor belt 2 is placed under the feed hopper 1, and the other end is placed in the drum 17, and the drum is placed on the driving roller 4, driven On the stick 20 and the support roller 13, the driving roller 4 is connected with the driving motor 3 and placed on the telescopic rod 10, the inclination angle of the drum 17 is adjusted by the telescopic rod 10, and the driving motor 3 drives the driving roller 4 and the drum 17 to rotate, from The material sent out from the drum 17 falls to the product collection hopper 11 below the drum 17, and a discharge conveyor belt 12 is installed below the product collection hopper 11;
所述热风部分包括离心式鼓风机5、加热腔6、电热管7、匀风板8、温度传感器9、排气口19；离心式鼓风机5与加热腔6相连，加热腔6中安装电热管7，加热腔6顶部安装有匀风板8，热风部分上方设有物料输送部分，物料输送部分上方安装有排气口19；The hot air part includes a centrifugal blower 5, a heating chamber 6, an electric heating pipe 7, an air uniform plate 8, a temperature sensor 9, and an exhaust port 19; the centrifugal blower 5 is connected to the heating chamber 6, and the electric heating pipe 7 is installed in the heating chamber 6 , the top of the heating chamber 6 is equipped with a uniform air plate 8, a material conveying part is arranged above the hot air part, and an exhaust port 19 is installed above the material conveying part;
所述微波部分包括横梁15、微波磁控管16；横梁15固定在系统外壳18内壁上且位于滚筒17内，微波磁控管16安装在横梁15上，溃口向下发射微波。The microwave part includes a beam 15 and a microwave magnetron 16; the beam 15 is fixed on the inner wall of the system shell 18 and is located in the drum 17, the microwave magnetron 16 is installed on the beam 15, and the mouth emits microwaves downward.
所述滚筒17呈圆筒形，滚筒17内安装有螺旋状导轨。The drum 17 is cylindrical, and a helical guide rail is installed in the drum 17 .
所述滚筒17的进料口和出料口设有微波屏蔽罩14，用于防止微波泄漏，滚筒17内微波磁控管16下方安装微波屏蔽罩14，用于保护微波磁控管16不受微波反射损坏。The feeding port and the discharge port of the drum 17 are provided with a microwave shielding cover 14, which is used to prevent microwave leakage, and a microwave shielding cover 14 is installed below the microwave magnetron 16 in the drum 17 to protect the microwave magnetron 16 from Microwave reflection damage.
还包括控制部分，控制部分采用单片机或PLC，控制部分分别与物料输送部分的驱动电机3，热风部分的离心式鼓风机5、温度传感器9，微波部分的微波磁控管16相连。Also includes a control part, the control part adopts a single-chip microcomputer or PLC, and the control part is connected with the driving motor 3 of the material conveying part, the centrifugal blower 5 and the temperature sensor 9 of the hot air part, and the microwave magnetron 16 of the microwave part.
干燥方式的选择：Choice of drying method:
1、单一热风干燥1. Single hot air drying
控制部分合闸后，系统得电，按动控制部分的热风干燥按钮，系统即按照热风干燥方式运行：图1中的滚筒17在主动辊4的带动下旋转，进料输送带2开始运转，将放置在进料料斗1内的物料输送到滚筒17内，离心式鼓风机5开始工作，产生的气流经过电热管7加热后，气流通过匀风板8吹出，进入到金属滚筒17内。在滚筒内进行物料的加热，并带走蒸发出来的水分，从排气口19排出。物料在滚筒17内沿着螺旋轨迹运动，自动运行到滚筒的出口处，在出口处通过产品收集料斗11收集，然后通过出料输送带12输送出来，从而完成单一热风干燥过程。After the control part is closed, the system is powered on, press the hot air drying button of the control part, and the system operates in the hot air drying mode: the drum 17 in Figure 1 rotates under the drive of the driving roller 4, and the feeding conveyor belt 2 starts to run The material placed in the feed hopper 1 is conveyed into the drum 17, and the centrifugal blower 5 starts to work. After the generated air is heated by the electric heating tube 7, the air is blown out through the air uniform plate 8 and enters the metal drum 17. The material is heated in the drum, and the evaporated moisture is taken away, and discharged from the exhaust port 19. The material moves along the spiral track in the drum 17, automatically runs to the outlet of the drum, and is collected by the product collection hopper 11 at the outlet, and then conveyed out by the discharge conveyor belt 12, thus completing the single hot air drying process.
2、微波干燥2. Microwave drying
控制部分合闸后，系统得电，按动控制部分的微波干燥按钮，系统即按照微波干燥方式运行：图1中的滚筒17在主动辊4的带动下旋转，进料输送带2开始运转，将放置在进料料斗1内的物料输送到滚筒17内，安装在横梁15上的微波磁控管16输出微波能，微波能加热物料，使物料内的水分排出，水蒸气在自然对流的作用下通过排气孔19排出，物料在金属滚筒17内沿着螺旋轨迹运动，自动运行到滚筒的出口处，在出口处通过产品收集料斗11收集，然后通过出料输送带12输送出来，从而完成单一微波干燥过程。After the control part is closed, the system is energized, and the microwave drying button of the control part is pressed, and the system operates in the microwave drying mode: the drum 17 in Figure 1 rotates under the drive of the driving roller 4, and the feeding conveyor belt 2 starts to run The material placed in the feeding hopper 1 is transported into the drum 17, and the microwave magnetron 16 installed on the beam 15 outputs microwave energy, and the microwave energy heats the material, so that the moisture in the material is discharged, and the water vapor acts on the natural convection The material is discharged through the exhaust hole 19, and the material moves along the spiral track in the metal drum 17, automatically runs to the outlet of the drum, collects it through the product collection hopper 11 at the outlet, and then conveys it out through the discharge conveyor belt 12, thus completing Single microwave drying process.
3、热风微波耦合干燥3. Hot air microwave coupling drying
控制部分合闸后，系统得电，按动控制部分的热风微波耦合干燥按钮，系统即按照热风微波耦合干燥的方式运行：图1中的滚筒17在主动辊4的带动下旋转，进料输送带2开始运转，将放置在进料料斗1内的物料输送到金属滚筒17内，离心式鼓风机5开始工作，产生的气流经过电热管7加热后，气流通过匀风板8吹出，进入到物料滚筒15内，安装在横梁15上的微波磁控管16在控制部分的控制下输出微波能。这样，在滚筒内同时存在着热风和微波两种加热方式，两种方式一起加热进入到滚筒内的物料，并且通过热风将水分带走，从排气孔19排出。物料在滚筒金属17内沿着螺旋轨迹运动，自动运行到滚筒的出口处，在出口处通过产品收集料斗11收集，然后通过出料输送带12输送出来，从而完成热风微波耦合干燥过程。After the control part is closed, the system is energized, and the hot air microwave coupling drying button of the control part is pressed, and the system operates in the hot air microwave coupling drying mode: the drum 17 in Fig. The belt 2 starts to run, and the material placed in the feeding hopper 1 is transported to the metal drum 17, and the centrifugal blower 5 starts to work. After the airflow generated is heated by the electric heating tube 7, the airflow is blown out through the air uniform plate 8, and enters the material Inside the drum 15, the microwave magnetron 16 installed on the beam 15 outputs microwave energy under the control of the control part. In this way, there are two heating methods of hot air and microwave in the drum, and the two methods heat the materials entering the drum together, and the moisture is taken away by the hot air and discharged from the exhaust hole 19 . The material moves along the spiral track in the metal drum 17, automatically runs to the outlet of the drum, collects it through the product collection hopper 11 at the outlet, and then conveys it out through the discharge conveyor belt 12, thus completing the hot air microwave coupling drying process.
上面结合附图对本实用新型的具体实施例作了详细说明，但是本实用新型并不限于上述实施例，在本领域普通技术人员所具备的知识范围内，还可以在不脱离本实用新型宗旨的前提下作出各种变化。The specific embodiments of the utility model have been described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned embodiments. Various changes are made.
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| CN112556352A (en) * | 2020-12-14 | 2021-03-26 | 五河县台纤新材料有限公司 | Continuous drying equipment for short cut yarn production |
| CN112931599A (en) * | 2021-02-05 | 2021-06-11 | 周伟光 | Drying device for deep processing treatment of aquatic product and shrimp product |
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