A spiral conveyor type microwave drying equipment

Abstract

The utility model discloses a spiral conveying type microwave drying device, belonging to the technical field of microwave drying devices. The spiral conveying type microwave drying device comprises a microwave device body and a microwave heating plate fixed in an annular array on the outer wall of the microwave device body, the side wall of the microwave device body is provided with a motor for driving the rotation thereof, and a fan is embedded and fixed at one end of the microwave device body, and a discharge bin is protrudingly provided at the other end of the microwave device body, wherein a plurality of spiral conveying plates are fixed on the inner wall of the microwave device body, an air outlet slot is provided on the side wall of the discharge bin, and a plurality of discharge slots penetrating the microwave device body are provided in an annular array on the inner wall of the discharge bin, rotating shafts are fixed at both ends of the microwave device body, and bearings are fixedly sleeved on the rotating shafts. The spiral conveying type microwave drying device avoids heat dissipation caused by stopping the device to take out products after drying, thereby improving the drying efficiency of the microwave drying device.

Description

Technical Field

[0001] The utility model belongs to the technical field of microwave drying equipment, and in particular relates to a spiral conveying type microwave drying equipment. Background Art

[0002] In the process of food processing and production, food additives are artificial synthetic substances or natural substances added to food to improve the color, aroma, taste and other qualities of food, as well as for preservation and processing technology requirements. Food additives need to be dried during the production process. Microwave drying is different from traditional drying methods. Its heat conduction direction is the same as the direction of water diffusion. Compared with traditional drying methods, it has the advantages of high drying rate, energy saving, high production efficiency, uniform drying, clean production, easy to realize automatic control and improve product quality.

[0003] The patent with application number 202320644268.3 discloses a microwave vacuum drying equipment, including: a drying furnace body, the inner cavity of the drying furnace body is a vacuum drying chamber; a plurality of microwave generators arranged around the side wall of the drying furnace body, and the plurality of microwave generators are evenly arranged on the surrounding side of the drying furnace body in a matrix structure; and a material rack detachably suspended in the vacuum drying chamber, and the material rack is used to carry materials; the axis of the microwave generator is arranged perpendicular to the axis of the drying furnace body, and the emitting end of the microwave generator is located in the vacuum drying chamber, and the microwave generators are divided into groups, so that each group of microwave generators switches on and off in turn to generate a changing microwave field that can act on each position of the material, so as to achieve the purpose of uniformly heating the material.

[0004] The above technical solution evenly arranges multiple microwave generators on the circumference of the drying furnace body and divides the microwave generators into groups, so that each group of microwave generators switches on and off in turn to generate a changing microwave field that can act on various positions of the material, thereby achieving the purpose of uniform heating of the material. However, since the microwave equipment is in a sealed state, the water vapor generated by microwave drying will be adsorbed on the inner wall of the equipment, resulting in the washing and adsorption of water mist by the dried product. At the same time, the machine needs to be stopped after processing to take out the dried product. Each shutdown will cause the heat inside to dissipate, and the microwave efficiency is low. Utility Model Content

[0005] (1) Technical issues to be solved

[0006] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a spiral conveyor type microwave drying equipment, which aims to solve the technical problems in the prior art that, since the microwave equipment is in a sealed state, the water vapor generated by microwave drying will be adsorbed on the inner wall of the equipment, thereby causing the dried product to be washed and adsorbed by water mist, and at the same time, the equipment needs to be stopped after processing to take out the dried product. Each shutdown will cause the heat inside to be dissipated, resulting in low microwave efficiency.

[0007] (2) Technical solution

[0008] In order to solve the above technical problems, the utility model provides a spiral conveying microwave drying device, which includes a microwave device body and a microwave heating plate fixed in a ring array on the outer wall of the microwave device body, the side wall of the microwave device body is provided with a motor for driving the rotation thereof, and a fan is embedded and fixed at one end of the microwave device body, and a discharge bin is protruding from the other end of the microwave device body, wherein a plurality of spiral conveying plates are fixed to the inner wall of the microwave device body, an air outlet groove is provided on the side wall of the discharge bin, and a plurality of discharge grooves penetrating the microwave device body are provided in a ring array on the inner wall of the discharge bin.

[0009] When the spiral conveyor type microwave drying equipment of the present technical solution is used, a feed pipe and a discharge trough are respectively provided at both ends of the microwave equipment body, raw materials are put into the microwave equipment body through the feed pipe, a motor is started to drive the microwave equipment body to rotate, the raw materials are turned over during the rotation process, and the raw materials are conveyed by the spiral conveyor plate during the turning process until the raw materials move into the discharge bin and are discharged through the discharge trough on the inner wall of the discharge bin, so that the raw materials can be conveyed and discharged during the microwave drying process, the convenience of microwave raw material discharge is improved, and the heat dissipation caused by stopping the machine to take out the product after drying is avoided; an air outlet slot and an air inlet are respectively provided at both ends of the microwave equipment body, and the fan in the air inlet makes air flow in the microwave equipment body, and the raw materials are dried during the flow process and then filtered by the filter and discharged from the air outlet slot, so the drying efficiency of the microwave drying equipment is improved.

[0010] Preferably, rotating shafts are fixed at both ends of the microwave equipment body, and bearings are fixedly sleeved on the rotating shafts.

[0011] Furthermore, the rotating shaft is mounted with a support plate via a bearing sleeve, and the bottom ends of the two support plates are fixedly connected with a base plate.

[0012] Furthermore, the motor is fixedly mounted on the side wall of the support plate, and the shaft of the motor is fixedly connected to the rotating shaft.

[0013] Furthermore, a feed pipe is fixed to the outer wall of the microwave equipment body, and a sealing plug is threadedly inserted on the feed pipe.

[0014] Furthermore, the plurality of air outlet slots are all connected to the microwave device body, and filters are embedded and fixed in the plurality of air outlet slots.

[0015] Furthermore, a plurality of air inlet holes are provided at one end of the microwave equipment body away from the discharge bin, the fan is embedded and fixed in the air inlet holes, and dustproof plates are fixedly installed at both ends of the fan.

[0016] (3) Beneficial effects

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model provides a feed pipe and a discharge trough at both ends of the microwave equipment body, raw materials are put into the microwave equipment body through the feed pipe, a motor is started to drive the microwave equipment body to rotate, the raw materials are turned over during the rotation, and the raw materials are transported by a spiral conveyor plate during the turning process until the raw materials move to the discharge bin and are discharged through the discharge trough on the inner wall of the discharge bin, so that the raw materials can be transported and discharged in the process of microwave drying, the convenience of microwave raw material discharge is improved, and the heat dissipation caused by stopping the machine to take out the product after drying is avoided;

[0019] By opening an air outlet slot and an air inlet hole at both ends of the microwave equipment body, the fan in the air inlet hole allows air to flow in the microwave equipment body. During the flow, the raw materials are dried and then filtered through the filter net and discharged from the air outlet slot, thereby improving the drying efficiency of the microwave drying equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a schematic cross-sectional structural diagram of the main body of the microwave device of the utility model;

[0023] Figure 3 For the utility model Figure 2 A schematic diagram of the structure enlargement in the middle;

[0024] Figure 4 For the utility model Figure 2 Enlarged schematic diagram of the structure at point B in the middle.

[0025] The markings in the attached drawings are: 1. Microwave equipment body; 2. Bottom plate; 3. Support plate; 4. Rotating shaft; 5. Air outlet slot; 6. Discharge slot; 7. Microwave heating plate; 8. Sealing plug; 9. Feed pipe; 10. Filter; 11. Bearing; 12. Screw conveyor plate; 13. Air inlet; 14. Motor; 15. Dustproof plate; 16. Fan; 17. Discharge bin. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] This specific embodiment is a spiral conveyor type microwave drying equipment, and its structural schematic diagram is as follows Figure 1 and Figure 2 As shown, the spiral conveyor type microwave drying equipment includes a microwave equipment body 1 and a microwave heating plate 7 fixed in an annular array on the outer wall of the microwave equipment body 1, a side wall of the microwave equipment body 1 is provided with a motor 14 for driving the rotation thereof, and a fan 16 is embedded and fixed at one end of the microwave equipment body 1, and a discharge bin 17 is protrudingly provided at the other end of the microwave equipment body 1, wherein a plurality of spiral conveyor plates 12 are fixed to the inner wall of the microwave equipment body 1, an air outlet slot 5 is provided on the side wall of the discharge bin 17, and a plurality of discharge slots 6 penetrating the microwave equipment body 1 are provided in an annular array on the inner wall of the discharge bin 17, raw materials are put into the microwave equipment body 1 through a feed pipe 9, the motor 14 is started to drive the microwave equipment body 1 to rotate, the raw materials are turned over during the rotation, and the raw materials are conveyed by the spiral conveyor plate 12 during the turning process until the raw materials move into the discharge bin 17 and are discharged through the discharge slot 6 on the inner wall of the discharge bin 17.

[0028] A rotating shaft 4 is fixed at both ends of the microwave equipment body 1, a bearing 11 is fixedly sleeved on the rotating shaft 4, a support plate 3 is sleeved and installed on the rotating shaft 4 through the bearing 11, the bottom ends of the two support plates 3 are fixedly connected with the bottom plate 2, the motor 14 is fixedly installed on the side wall of the support plate 3, and the shaft of the motor 14 is fixedly connected to the rotating shaft 4, a feed pipe 9 is fixed on the outer wall of the microwave equipment body 1, and a sealing plug 8 is threadedly inserted on the feed pipe 9.

[0029] like Figure 3 and Figure 4As shown, multiple air outlet slots 5 are connected to the microwave equipment body 1, and filter screens 10 are embedded and fixed in the multiple air outlet slots 5. Multiple air inlet holes 13 are opened at one end of the microwave equipment body 1 away from the discharge bin 17. The fan 16 is embedded and fixed in the air inlet hole 13, and dustproof plates 15 are fixedly installed at both ends of the fan 16. The fan 16 in the air inlet hole allows air to flow in the microwave equipment body 1. During the flow, the raw materials are dried and then filtered by the filter screen 10 and discharged from the air outlet slot 5, thereby improving the drying efficiency of the microwave drying equipment.

[0030] The cross-sectional structure diagram of the microwave device body 1 of the spiral conveyor type microwave drying device is as follows Figure 2 As shown, its Figure 2 The enlarged schematic diagram of the structure at A is as follows Figure 3 As shown, its Figure 2 The enlarged schematic diagram of the structure at B is as follows Figure 4 shown.

[0031] Working principle: When using the spiral conveyor type microwave drying equipment of the present technical solution, unscrew the sealing plug 8 and put the raw materials into the microwave equipment body 1 through the feed pipe 9, start the motor 14 to drive the microwave equipment body 1 to rotate, and turn the raw materials over during the rotation. During the turning process, the raw materials are conveyed by the spiral conveying plate 12 until the raw materials move to the discharge bin 17 and are discharged through the discharge groove 6 on the inner wall of the discharge bin 17, which is convenient for conveying and discharging the raw materials during the microwave drying process, improves the convenience of microwave raw material discharge, and avoids heat dissipation caused by stopping the machine to take out the product after drying; the fan 16 in the air inlet makes air flow in the microwave equipment body 1, and the raw materials are dried during the flow and then discharged from the air outlet groove 5 after being filtered by the filter 10, thereby improving the drying efficiency of the microwave drying equipment.

[0032] All technical features in this embodiment can be freely combined according to actual needs.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A spiral conveyor type microwave drying device, comprising a microwave device body (1) and a microwave heating plate (7) fixed to the outer wall of the microwave device body (1) in an annular array, characterized in that: The side wall of the microwave device body (1) is provided with a motor (14) for driving the microwave device body to rotate, and a fan (16) is embedded and fixed at one end of the microwave device body (1), and a discharge bin (17) is protruding from the other end of the microwave device body (1), wherein a plurality of spiral conveying plates (12) are fixed to the inner wall of the microwave device body (1), an air outlet groove (5) is provided on the side wall of the discharge bin (17), and a plurality of discharge grooves (6) penetrating the microwave device body (1) are provided on the inner wall of the discharge bin (17) in a circular array.

2. The spiral conveyor type microwave drying equipment according to claim 1, characterized in that: A rotating shaft (4) is fixed at both ends of the microwave equipment body (1), and a bearing (11) is fixedly sleeved on the rotating shaft (4).

3. The spiral conveyor type microwave drying equipment according to claim 2, characterized in that: The rotating shaft (4) is sleeved with a support plate (3) via a bearing (11), and the bottom ends of the two support plates (3) are fixedly connected to a bottom plate (2).

4. The spiral conveyor type microwave drying equipment according to claim 3, characterized in that: The motor (14) is fixedly mounted on the side wall of the support plate (3), and the shaft of the motor (14) is fixedly connected to the rotating shaft (4).

5. The spiral conveyor type microwave drying equipment according to claim 1, characterized in that: A feed pipe (9) is fixed to the outer wall of the microwave equipment body (1), and a sealing plug (8) is threadedly inserted on the feed pipe (9).

6. The spiral conveyor type microwave drying equipment according to claim 4, characterized in that: The plurality of air outlet slots (5) are all in communication with the microwave device body (1), and a filter screen (10) is embedded and fixed in each of the plurality of air outlet slots (5).

7. The spiral conveyor type microwave drying equipment according to claim 1, characterized in that: A plurality of air inlet holes (13) are provided at one end of the microwave equipment body (1) away from the discharge bin (17); the fan (16) is embedded and fixed in the air inlet holes (13); and dustproof plates (15) are fixedly installed at both ends of the fan (16).

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