CN218001975U - Non-metallic material microwave dryer - Google Patents

Abstract

The utility model discloses a non-metallic material microwave dryer, include: the mixer comprises a top cover, a shell and a mixer, wherein the top cover is covered on the shell, a motor frame is arranged in the center of the top cover, a driving motor is arranged on the motor frame, a transmission shaft of the driving motor penetrates through the top cover and extends into the shell to be connected with the mixer, and a feed inlet and a negative pressure port are also arranged on the top cover; the shell comprises a side wall and a bottom shell, the side wall is of a sandwich structure, a plurality of groups of microwave feed ports are arranged in the sandwich structure, the microwave feed ports are externally connected with a microwave generator, the bottom shell is of a concave structure, and a discharge port is arranged at the center of the concave structure; the mixer is characterized in that a mixer support is arranged inside the shell, and the mixer is arranged in the middle of the shell through the mixer support. In this way, the utility model discloses can high efficiency get rid of material surface hydrone, eliminated the accumulated heat problem of rising temperature when effectively having improved microwave drying's efficiency.

Description

Non-metallic material microwave dryer

Technical Field

The utility model relates to a material processing field especially relates to a non-metallic material microwave dryer.

Background

The microwave drying technology has the characteristics of low energy consumption, short reaction time, simple operation and the like, and is widely applied. The existing common microwave heating equipment is generally an atmospheric pressure type microwave heating device, the existing atmospheric pressure microwave heating device is generally drum-type heating, microwaves in the drying mode are only in one direction, the phenomenon of uneven drying is easy to occur, and due to the atmospheric pressure drying, the contact between air and materials cannot be isolated inside, the problem of heat accumulation is easy to occur inside, and the problem of performance reduction of inorganic materials and organic materials which are sensitive to temperature requirements is caused after drying.

Disclosure of Invention

The utility model discloses the main technical problem who solves provides a non-metallic material microwave dryer, can improve microwave drying efficiency, eliminates long-pending hot problem.

In order to solve the technical problem, the utility model discloses a technical scheme be: providing a non-metallic material microwave dryer, the non-metallic material microwave dryer comprising: the mixer comprises a top cover, a shell and a mixer, wherein the top cover is covered on the shell, a motor frame is arranged in the center of the top cover, a driving motor is arranged on the motor frame, a transmission shaft of the driving motor penetrates through the top cover and extends into the shell to be connected with the mixer, and a feed inlet and a negative pressure port are also arranged on the top cover; the shell comprises a side wall and a bottom shell, the side wall is of a sandwich structure, a plurality of groups of microwave feed ports are installed in the sandwich structure, the microwave feed ports are externally connected with a microwave generator, the bottom shell is of a concave structure, and a discharge hole is formed in the center of the concave structure; the mixer is characterized in that a mixer support is arranged inside the shell, and the mixer is arranged in the middle of the shell through the mixer support.

The utility model discloses a preferred embodiment, the blender includes central pivot, carries feed cylinder and multiunit stirring vane, the top of central pivot links to each other with driving motor's transmission shaft, carry the concentric cover of feed cylinder to be established in the pivot of center, the internal diameter of carrying the feed cylinder is greater than stirring vane's diameter, multiunit stirring vane is installed with the part of carrying the feed cylinder coincidence to the pivot of center, still install the bearing on the shaft body of center pivot, the bearing outside is fixed the central point of blender support puts, carry the feed cylinder pass through the reference column with the blender support links to each other. The mixer comprises a central rotating shaft, mixer supports, a material lifting barrel and a material lifting barrel, wherein the mixer supports are two in number and are respectively arranged on the upper part and the lower part of the central rotating shaft, the material lifting barrel is arranged between the two mixer supports, and the length of the material lifting barrel is not less than 2/3 of the total length of the whole central rotating shaft. And at least one group of stirring blades are also arranged at the position where the bottom end of the central rotating shaft exceeds the material extracting barrel.

In a preferred embodiment of the present invention, a filter cover is installed at the position of the negative pressure port below the top cover.

The beneficial effects of the utility model are that: the utility model discloses add dedicated blender and vacuum interface on ordinary pressure microwave drying's basis, like this when the material is dry, can make the material evenly pass through the microwave field, realize the quick gasification of hydrone to by the quick suction of vacuum outlet, in this while, the heat also has the gasification molecule directly to take away, whole drying process is quick high-efficient, and is little to the influence of product surface, has eliminated the long-pending heat problem that heaies up when effectively having improved microwave drying's efficiency.

Drawings

Fig. 1 is a schematic perspective view of a preferred embodiment of the present invention;

the parts in the drawings are numbered as follows:

1. the mixer comprises a top cover, 2 parts of an outer side wall, 3 parts of an inner side wall, 4 parts of a bottom shell, 5 parts of a feed inlet, 6 parts of a negative pressure port, 7 parts of a discharge port, 8 parts of a microwave feed port, 9 parts of a driving motor, 10 parts of a motor frame, 11 parts of a transmission shaft, 12 parts of a central rotating shaft, 13 parts of a stirring blade, 14 parts of a material lifting barrel, 15 parts of an upper bracket of a mixer, 16 parts of a lower bracket of the mixer, 17 parts of a bearing, 18 parts of a positioning connecting column and 19 parts of a filter cover.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1, an embodiment of the present invention includes:

a non-metallic material microwave dryer, comprising: the mixer comprises a top cover 1, a shell and a mixer, wherein the top cover 1 covers the shell, a motor frame 10 is arranged at the center of the top cover 1, a driving motor 9 is arranged on the motor frame 10, a transmission shaft 11 of the driving motor 9 penetrates through the top cover 1 and extends into the shell to be connected with the mixer, a feed inlet 5 and a negative pressure port 6 are also arranged on the top cover 1, a filter cover 19 is arranged at the position of the negative pressure port 6, and the filter cover 19 can prevent solids from entering a pipeline during negative pressure suction; the shell comprises a side wall and a bottom shell 4, the side wall is of a closed sandwich structure consisting of an inner side wall 3 and an outer side wall 2, 2 groups of microwave feed ports 8 are installed in the sandwich structure, the microwave feed ports 8 are externally connected with a microwave generator, the bottom shell 4 is of a concave structure, and a discharge port 7 is arranged at the center of the concave structure; the mixer is characterized in that a mixer support is arranged inside the shell, and the mixer is arranged in the middle of the shell through the mixer support.

The blender includes central pivot 12, carries feed cylinder 14 and multiunit stirring vane 13, the top of central pivot 12 links to each other with driving motor's transmission shaft 11, carry feed cylinder 14 concentric cover to be established on central pivot 12, the internal diameter of carrying feed cylinder 14 is greater than stirring vane 13's diameter, carry feed cylinder 14 length to be the 2/3 of whole central pivot 12 total length. 3 sets of stirring vane 13 are installed with the part of carrying feed cylinder 14 coincidence to central pivot 12, 2 bearings 17 still are installed on the shaft body of central pivot 12, the blender support is total two, is blender upper bracket 15 and blender lower carriage 16 respectively, pass through between blender upper bracket 15 and the blender lower carriage 16 and the central pivot 12 bearing 17 connects, blender upper bracket 15 is installed in carrying feed cylinder 14 top, blender lower carriage 16 is installed carry feed cylinder 14's below, carry feed cylinder 14 through reference column 18 with blender upper bracket 15 and blender lower carriage 16 are fixed together. Through this kind of mode, when carrying out the drying, the blender can transport the material that promotes a section of thick bamboo 14 below through promoting a section of thick bamboo 14 inner wall through stirring vane 13 and promote the top of a section of thick bamboo 14, realizes the homogeneous mixing of the inside material of whole casing, a set of stirring vane 13 is also installed to the position that central pivot 12 bottom surpassed and is promoted a section of thick bamboo 14, and this a set of stirring vane 13 can reduce the discharge gate position and store up motionless material, improves whole drying effect.

The utility model discloses a work is kept away from as follows:

when powder or granular materials are dried, firstly, the microwave generator and the negative pressure air extractor are started, microwaves generated from the microwave feed port 8 can accelerate water molecules on the surface of the materials in a range corresponding to the feed port to move in a very fast time, so that the water molecules enter air and are extracted from the negative pressure port, meanwhile, the mixer moves under the action of the driving motor 9 to continuously mix and stir the materials in the whole shell, so that the materials in the whole shell can reach the influence range of the microwave feed port, and the drying speed and effect are effectively improved.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (6)

1. A microwave dryer for non-metallic materials, the microwave dryer comprising: the mixer comprises a top cover, a shell and a mixer, wherein the top cover is covered on the shell, a motor frame is arranged in the center of the top cover, a driving motor is arranged on the motor frame, a transmission shaft of the driving motor penetrates through the top cover and extends into the shell to be connected with the mixer, and a feed inlet and a negative pressure port are also arranged on the top cover;

the shell comprises a side wall and a bottom shell, the side wall is of a sandwich structure, a plurality of groups of microwave feed ports are installed in the sandwich structure, the microwave feed ports are externally connected with a microwave generator, the bottom shell is of a concave structure, and a discharge hole is formed in the center of the concave structure;

the mixer is characterized in that a mixer support is arranged inside the shell, and the mixer is arranged in the middle of the shell through the mixer support.

2. The microwave dryer for nonmetallic materials as claimed in claim 1, wherein the mixer includes a central rotating shaft, a material lifting barrel and a plurality of sets of stirring blades, the top end of the central rotating shaft is connected with the transmission shaft of the driving motor, the material lifting barrel is concentrically sleeved on the central rotating shaft, the inner diameter of the material lifting barrel is larger than the diameter of the stirring blades, a plurality of sets of stirring blades are installed on the coincident portion of the central rotating shaft and the material lifting barrel, a bearing is further installed on the shaft body of the central rotating shaft, the outer side of the bearing is fixed at the central position of the mixer support, and the material lifting barrel is connected with the mixer support through a positioning column.

3. A microwave dryer for non-metallic materials as claimed in claim 2, wherein there are two blender holders installed at the upper and lower portions of said central rotating shaft, respectively, and said lifting cylinder is installed between said two blender holders.

4. A microwave dryer of non-metallic material according to claim 2, wherein the length of the lifter barrel is not less than 2/3 of the total length of the entire central rotating shaft.

5. The microwave dryer of claim 2, wherein the bottom end of the central rotating shaft is provided with at least one set of stirring blades at a position beyond the extracting barrel.

6. The microwave dryer of claim 1, wherein a filter cover is installed at a position of the negative pressure port below the top cover.

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