Seasoning powder drying and processing equipment

Abstract

The utility model relates to seasoning powder drying and processing equipment which comprises a screw conveyor and a semicircular fixed cover fixedly arranged above the screw conveyor, the screw conveyor comprises a shaftless screw blade, a coating capable of reflecting microwaves is arranged on the inner wall of a cavity between the screw conveyor and the fixed cover, and the coating is provided with a plurality of blades. A plurality of microwave drying assemblies are arranged at the top end of the fixing cover, and the output ends of the microwave drying assemblies face the axis of the shaftless spiral blade. The two end faces of the fixing cover are provided with dehumidification fans, and the axes of the dehumidification fans are parallel to the axes of the shaftless spiral blades. The cavity between the screw conveyor and the fixed cover can effectively reflect microwaves, the materials can be fully covered by the microwaves, the materials are turned over in cooperation with the shaftless screw blade, the microwave utilization rate is high, and energy consumption can be reduced. And the shaftless spiral blade turns over the materials to enable water vapor to effectively overflow, meanwhile, the dehumidifying fan efficiently pumps away the water vapor, and the drying efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of microwave drying, in particular to a seasoning powder drying and processing equipment. Background Art

[0002] Microwave heating drying devices save more electricity than devices that use electric heating wires for heating and drying, so they are now widely used in the drying field; however, since the microwave device has a limited heating area, materials that deviate from the heating area are prone to insufficient heating, which puts higher requirements on the microwave coverage area; for conveyor belt microwave drying devices, to improve the microwave coverage rate, it is necessary to increase the microwave power, but this also increases energy consumption, so there is a need for a microwave drying device with high microwave utilization rate. Utility Model Content

[0003] The purpose of the utility model is to provide a seasoning powder drying and processing equipment to solve the above problems existing in the prior art.

[0004] In order to solve the above problems, the utility model provides a seasoning powder drying processing equipment, including a screw conveyor and a semicircular fixed cover fixed above the screw conveyor, the screw conveyor includes a shaftless spiral blade, the inner wall of the cavity between the screw conveyor and the fixed cover is provided with a coating that can reflect microwaves, a plurality of microwave drying components are provided on the top of the fixed cover, and the output ends of the microwave drying components are facing the axis of the shaftless spiral blade; dehumidification fans are provided on the two end surfaces of the fixed cover, the axis of the dehumidification fan is parallel to the axis of the shaftless spiral blade, and a metal mesh for reflecting microwaves is provided on the dehumidification fan.

[0005] The seasoning powder drying and processing equipment provided by the utility model also has the following technical features:

[0006] Furthermore, a power shaft is fixedly provided at one end of the shaftless spiral blade, and the power shaft is connected to a motor assembly.

[0007] Furthermore, it also includes a feed inlet and a discharge inlet, wherein the feed inlet is located at one end of the shaftless spiral blade close to the power shaft, and the discharge inlet is located at one end of the shaftless spiral blade away from the power shaft.

[0008] Furthermore, the feed port and the discharge port are respectively provided with end covers for reflecting microwaves, and the top ends of the end covers are rotatably connected to the top ends of the inner walls of the feed port and the discharge port.

[0009] Furthermore, any cross section of the shaftless spiral blade along its radial direction forms an obtuse angle with its central axis in the direction toward the power shaft.

[0010] Furthermore, it also includes a base for fixing the screw conveyor.

[0011] The utility model has the following beneficial effects: the cavity between the screw conveyor and the fixed cover can effectively reflect microwaves, and the semicircular inner wall of the screw conveyor is conducive to the comprehensive coverage of the material by microwaves. The material can be turned over by the shaftless spiral blade, and the microwave utilization rate is high, which can save energy consumption. The shaftless spiral blade can also effectively overflow the water vapor when turning the material, and the dehumidifying fan can efficiently draw away the water vapor, and the drying efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 for Figure 1 A cross-sectional view of some components along line AA;

[0014] Figure 3 for Figure 1 Front view of the section view along line AA. DETAILED DESCRIPTION

[0015] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0016] like Figures 1 to 3In the embodiment of the seasoning powder drying and processing equipment of the utility model shown, the seasoning powder drying and processing equipment includes a screw conveyor 1 and a semicircular fixed cover 2 fixedly arranged above the screw conveyor 1, the screw conveyor 1 includes a shaftless spiral blade 11, and the inner wall of the cavity between the screw conveyor 1 and the fixed cover 2 is provided with a coating that can reflect microwaves; the fixed cover 2 is semicircular, and the bottom end of the screw conveyor 1 is also semicircular, so the cavity between the screw conveyor 1 and the fixed cover 2 is in the shape of an oblong hole, and the oblong hole shape combined with the coating for reflecting microwaves can make the microwaves reflect as much as possible in the above-mentioned inner cavity to improve the microwave utilization rate; a plurality of microwave drying components 21 are arranged on the top of the fixed cover 2, and the output end of the microwave drying component 21 faces the axis of the shaftless spiral blade 11; the microwave drying component 21 is arranged to be directly opposite to the material conveyed by the shaftless spiral blade 11, so that Microwaves act directly on the material itself, thereby improving the microwave drying efficiency; because the inner wall of the bottom end of the screw conveyor 1 is semi-cylindrical, the microwaves emitted by the microwave drying component 21 can conveniently and fully cover the bottom semicircle of the screw conveyor 1, and then cooperate with the shaftless spiral blades 11 to flip the materials, the microwave utilization rate is high, and energy consumption can be saved; the shaftless spiral blades 11 can be set to a material that can be penetrated by microwaves; a dehumidification fan 22 is provided on the two end faces of the fixed cover 2, and the axis of the dehumidification fan 22 is parallel to the axis of the shaftless spiral blades 11. A metal mesh for reflecting microwaves is provided on the dehumidification fan 22, and the metal mesh can effectively prevent microwaves from overflowing; the hot and humid air heated by microwaves will rise in the cavity between the screw conveyor 1 and the fixed cover 2, and the dehumidification fan 22 arranged on the upper side of the shaftless spiral blades 11 can effectively extract the hot and humid air in the cavity, thereby improving the overall drying efficiency.

[0017] In one embodiment of the present application, preferably, Figures 1 to 3 As shown, a power shaft 12 is fixedly provided at one end of the shaftless spiral blade 11, and the power shaft 12 is connected to a motor assembly; the motor assembly adopts a reducer and a reduction motor to reduce the rotation speed as much as possible to increase the time for the material to be dried by microwaves; it also includes a feed port 3 and a discharge port 4, the feed port 3 is at the end of the shaftless spiral blade 11 close to the power shaft 12, and the discharge port 4 is at the end of the shaftless spiral blade 11 away from the power shaft 12; the feed port 3 and the discharge port 4 are respectively provided with end covers for reflecting microwaves, the top of the end cover is rotatably connected to the top of the inner wall of the feed port 3 and the discharge port 4, the end covers are divided into a feed end cover 31 and a discharge end cover 41, the end covers will not affect the material from the feed port 3 and the discharge from the discharge port 4, and can effectively prevent microwave overflow.

[0018] In one embodiment of the present application, preferably, Figure 3As shown, any cross section of the shaftless spiral blade 11 along its radial direction forms an obtuse angle with its central axis in the direction toward the power shaft 12, that is, the cross section forms an obtuse angle with the inner wall of the screw conveyor 1 in the direction toward the discharge port. The obtuse angle allows the material to slide upward along the blade when pushed by the shaftless spiral blade 11, thereby effectively flipping the material.

[0019] In one embodiment of the present application, preferably, Figures 1 to 3 As shown, a base 5 for fixing the screw conveyor 1 is also included to fix the screw conveyor 1.

[0020] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A seasoning powder drying and processing equipment, characterized in that: The invention comprises a screw conveyor (1) and a semicircular fixed cover (2) fixedly arranged above the screw conveyor (1), wherein the screw conveyor (1) comprises a shaftless spiral blade (11), the inner wall of the cavity between the screw conveyor (1) and the fixed cover (2) is provided with a coating capable of reflecting microwaves, a plurality of microwave drying components (21) are provided at the top of the fixed cover (2), the output ends of the microwave drying components (21) face the axis of the shaftless spiral blade (11); dehumidifying fans (22) are provided on two end surfaces of the fixed cover (2), the axis of the dehumidifying fan (22) is parallel to the axis of the shaftless spiral blade (11), and a metal mesh for reflecting microwaves is provided on the dehumidifying fan (22).

2. The seasoning powder drying and processing equipment according to claim 1, characterized in that: A power shaft (12) is fixedly provided at one end of the shaftless spiral blade (11), and the power shaft (12) is connected to a motor assembly.

3. The seasoning powder drying and processing equipment according to claim 2, characterized in that: It also comprises a feed inlet (3) and a discharge outlet (4), wherein the feed inlet (3) is located at one end of the shaftless spiral blade (11) close to the power shaft (12), and the discharge outlet (4) is located at one end of the shaftless spiral blade (11) away from the power shaft (12).

4. The seasoning powder drying and processing equipment according to claim 3, characterized in that: The feed port (3) and the discharge port (4) are respectively provided with end covers for reflecting microwaves, and the top ends of the end covers are rotatably connected to the top ends of the inner walls of the feed port (3) and the discharge port (4).

5. The seasoning powder drying and processing equipment according to claim 2, characterized in that: Any cross section of the shaftless spiral blade (11) along its radial direction forms an obtuse angle with its central axis in the direction toward the power shaft (12).

6. The seasoning powder drying and processing equipment according to claim 1, characterized in that: It also includes a base (5) for fixing the screw conveyor (1).

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