CN216769981U

CN216769981U - Microwave drying box and microwave drying line

Info

Publication number: CN216769981U
Application number: CN202122488562.3U
Authority: CN
Inventors: 蒋先林
Original assignee: Dongguan Lubao Paper Plastic Product Co ltd
Current assignee: Dongguan Lubao Paper Plastic Product Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-06-17
Anticipated expiration: 2031-10-15

Abstract

The utility model relates to the technical field of drying, in particular to a microwave drying box and a microwave drying line, wherein the microwave drying box comprises a rack, a box body arranged on the rack, shielding doors arranged at two ends of the box body, microwave generators arranged at two sides of an inner cavity of the box body and a water-gas collector arranged at the top of the inner cavity of the box body, wherein the bottom of each microwave generator is fixedly connected with an output cover, the input end of each water-gas collector is positioned in the box body, and the output end of each water-gas collector is communicated with the outside; and a conveying mechanism is also arranged in the box body, and the conveying mechanism and the microwave generators on two sides of the inner cavity of the box body are positioned on the same straight line. The utility model aims to provide a microwave drying box and a microwave drying line, and solves the problem of low paper mold drying efficiency.

Description

Microwave drying box and microwave drying line

Technical Field

The utility model relates to the technical field of drying, in particular to a microwave drying box and a microwave drying line.

Background

The drying refers to a process of removing a solvent in a certain way and keeping solid content, generally refers to a process of introducing hot air to evaporate and take away moisture in materials, and has three corresponding ways according to three heat propagation ways of heat conduction, heat convection and heat radiation: the method comprises the steps of drying in a drying cylinder type, hot air type drying and far infrared drying, and the microwave drying is used as the far infrared drying, so that the method has a very high application prospect. However, the prior paper mold drying still adopts hot air drying, so that the drying efficiency is lower, and no suitable microwave drying equipment is available for drying the paper mold at present.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a microwave drying box and a microwave drying line, and solves the problem of low paper mold drying efficiency.

The utility model is realized by the following technical scheme:

a microwave drying box comprises a rack, a box body arranged on the rack, shielding doors arranged at two ends of the box body, microwave generators arranged at two sides of an inner cavity of the box body and a water-gas collector arranged at the top of the inner cavity of the box body, wherein an output cover is fixedly connected to the bottom of the microwave generators, the input end of the water-gas collector is positioned in the box body, and the output end of the water-gas collector is communicated with the outside; and a conveying mechanism is also arranged in the box body, and the conveying mechanism and the microwave generators on two sides of the inner cavity of the box body are positioned on the same straight line.

The shielding door comprises a door frame and a door plate, wherein the door plate is formed by bonding at least two PVC flame-retardant thin film layers and at least two stainless steel mesh layers; the door plates are arranged on the door plates in parallel in a sliding mode.

Wherein, stainless steel net layer and PVC fire-retardant film layer are crisscross to be set up.

The conveying mechanism (400) comprises a crawler and a motor in driving connection with the crawler, and a plurality of gaskets are arranged on the upper end face of the crawler in an array mode.

Wherein, one side of the inner cavity of the box body is also provided with a temperature sensor.

Wherein, the bottom of the inner cavity of the box body is provided with an electric fan.

The utility model also discloses a microwave drying line which comprises a plurality of microwave drying boxes connected end to end.

The utility model has the beneficial effects that:

the problem of paper mould drying efficiency lower is solved: according to the microwave drying box and the microwave drying line, the microwave generator and the water vapor collector are arranged in the box body, the paper mold is heated and dried under the action of microwaves, water in the paper mold is evaporated into the box body as water vapor, and finally the water vapor is collected by the water vapor collector, so that a dry drying environment is always kept in the box body; in addition, a plurality of the drying boxes are assembled into a microwave drying line, and parameters in each drying box are adjusted, so that the multistage drying of the paper mold can be realized.

Compared with the traditional heating drying, the microwave drying method has higher microwave drying efficiency, so that the paper mold microwave drying has better development prospect.

Drawings

The utility model is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the utility model, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.

Fig. 1 is a schematic view of a microwave drying box.

Fig. 2 is a schematic view of the internal structure of the microwave drying box.

FIG. 3 is a partial cross-sectional view of a door panel.

Fig. 4 is a schematic view of a microwave drying line.

Reference numerals

A frame-100, a box-200, a microwave generator-201, a water-air collector-202, an output cover-203, a temperature sensor-204, an electric fan-205,

a screen door-300, a door frame-301, a door panel-302, a PVC flame-retardant film layer-303, a stainless steel mesh layer-304,

a conveying mechanism 400, a crawler belt 401, a motor 402 and a gasket 403.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

As shown in fig. 1 to 3, a microwave drying box comprises a rack 100, a box body 200 arranged on the rack 100, shielding doors 300 arranged at two ends of the box body 200, microwave generators 201 arranged at two sides of an inner cavity of the box body 200, and a water-air collector 202 arranged at the top of the inner cavity of the box body 200, wherein an output cover 203 is fixedly connected to the bottom of the microwave generators 201, the input end of the water-air collector 202 is positioned in the box body 200, and the output end of the water-air collector 202 is communicated with the outside; the box body 200 is also internally provided with a conveying mechanism 400, and the conveying mechanism 400 and the microwave generators 201 on two sides of the inner cavity of the box body 200 are positioned on the same straight line.

Specifically, according to the microwave drying box disclosed by the utility model, the microwave generator 201 and the water vapor collector 202 are arranged in the box body 200, the paper mold is heated and dried under the action of microwaves, water in the paper mold is evaporated into the box body 200 as water vapor, and finally the water vapor is collected by the water vapor collector 202, so that a dry drying environment is always kept in the box body 200. Compared with the traditional heating drying, the microwave drying method has higher microwave drying efficiency, so that the paper mold microwave drying has better development prospect.

Specifically, the shield door 300 comprises a door frame 301 and a door plate 302, wherein the door plate 302 is formed by bonding at least two PVC flame-retardant film layers 303 and at least two stainless steel mesh layers 304; the door panels 302 are slidably disposed in parallel with the door panels 302. Because the microwave has higher leakage nature, general door plant 302 can't satisfy the demand, so use to be no less than two-layer PVC fire-retardant thin layer 303 and be no less than two-layer stainless steel screen 304 and constitute door plant 302, door plant 302 can effectual shielding microwave, has avoided the waste that the microwave effuses the microwave to dry, the more efficient is used for the microwave on drying, has effectively saved the resource. Preferably, the stainless steel mesh layers 304 are interleaved with the PVC flame retardant film layers 303.

Specifically, the conveying mechanism (400) comprises a crawler belt 401 and a motor 402 in driving connection with the crawler belt 401, a plurality of gaskets 403 are arranged on the upper end face of the crawler belt 401 in an array mode, the paper mold is placed on the crawler belt 401, and the motor 402 drives the crawler belt 401 to enable the paper mold to be conveyed in the box body 200; meanwhile, the paper mold is placed on the gasket 403, so that the contact area of the paper mold and the crawler belt 401 is reduced, and the volatilization efficiency of water vapor is increased.

Specifically, a temperature sensor 204 is further arranged on one side of the inner cavity of the box body 200, the temperature in the box body 200 can be detected through the temperature sensor 204, and the power of the microblog transmitter can be regulated at any time so as to reach the constant temperature level in the box body 200.

Specifically, the bottom end of the inner cavity of the box body 200 is provided with the electric fan 205, and the wind of the electric fan 205 blows out from the bottom end of the box body 200, so that the flow efficiency of the water and air in the box body 200 is further increased, and the drying speed of the paper mold is increased.

As shown in fig. 4, in particular, the present embodiment further discloses a microwave drying line, the microwave drying line is formed by connecting the above-mentioned microwave drying boxes end to end, and the microwave drying line of the present embodiment is formed by 9 microwave drying boxes, wherein the conveying mechanism 400 of each microwave drying box is also connected end to end. In practical use, each microwave drying box is subjected to segmented temperature control, the conveying speed of the conveying mechanism 400 is controlled to be 0.5 meter per minute, and the drying process is completed until the water content of the paper mold is about 30% when the paper mold comes out of the last microwave drying box.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a microwave drying box which characterized in that: the device comprises a rack (100), a box body (200) arranged on the rack (100), shielding doors (300) arranged at two ends of the box body (200), microwave generators (201) arranged at two sides of an inner cavity of the box body (200) and a water vapor collector (202) arranged at the top of the inner cavity of the box body (200), wherein an output cover (203) is fixedly connected to the bottom of the microwave generators (201), the input end of the water vapor collector (202) is positioned in the box body (200), and the output end of the water vapor collector (202) is communicated with the outside;

the box body (200) is also internally provided with a conveying mechanism (400), and the conveying mechanism (400) and the microwave generators (201) on two sides of the inner cavity of the box body (200) are positioned on the same straight line.

2. A microwave drying oven according to claim 1, characterized in that: the shielding door (300) comprises a door frame (301) and a door plate (302), wherein the door plate (302) is formed by bonding at least two PVC flame-retardant film layers (303) and at least two stainless steel screen layers (304); the door plates (302) are slidably arranged in parallel on the door plates (302).

3. A microwave drying oven according to claim 2, characterized in that: the stainless steel mesh layers (304) and the PVC flame-retardant film layers (303) are arranged in a staggered mode.

4. A microwave drying oven according to claim 1, characterized in that: the conveying mechanism (400) comprises a crawler belt (401) and a motor (402) in driving connection with the crawler belt (401), and a plurality of gaskets (403) are arranged on the upper end face of the crawler belt (401) in an array mode.

5. A microwave drying oven according to claim 1, characterized in that: and a temperature sensor (204) is also arranged on one side of the inner cavity of the box body (200).

6. A microwave drying oven according to claim 1, characterized in that: an electric fan (205) is arranged at the bottom end of the inner cavity of the box body (200).

7. A microwave stoving line which characterized in that: comprising a plurality of microwave drying boxes according to claims 1-6, said plurality of microwave drying boxes being connected end to end.