CN210850684U - Microwave curing device - Google Patents

Abstract

The utility model discloses a microwave curing device, include: a microwave box body, a magnetron and a microwave power supply; the microwave box has 2 continuous side at least in circumference, all the side all is equipped with the microwave of being convenient for and gets into the inside trompil of microwave box, just the side all is equipped with be used for to the inside transmission microwave of microwave box the magnetron, the magnetron is connected and is used for controlling the magnetron the microwave power supply. Two or more than two sides are provided with the opening of introducing the microwave for the position that the microwave got into the microwave box is inequality, so that form comparatively even heating effect on the material. The microwave radiation distribution device has the advantages that microwave radiation is more dispersed under the condition of meeting power, radiation is prevented from being too concentrated, and radiation efficiency is higher. The microwave source layout solves the problem of microwave radiation uniformity, can effectively ensure the curing uniformity of the recombined material, and improves the processing quality.

Description

Microwave curing device

Technical Field

The utility model relates to a timber processing technology field, more specifically say, relate to a microwave curing device.

Background

The recombined wood is a novel wood base material which is produced by using fast-growing forest wood as a main raw material, using low-molecular-weight high-temperature curing phenolic resin for impregnation as a modifier to improve the performances of corrosion resistance, flame retardance, moth prevention and the like of a wood material, impregnating the material, drying the material at a low temperature, packaging and pressing the material, and adopting a thermosetting process, and can be used for manufacturing furniture, building materials and the like.

The traditional curing method is that a tunnel type curing kiln is adopted, heat energy generated by steam or fuel and the like is utilized to heat and cure the reconstituted wood base material, in the curing process, steam is introduced into the curing kiln to exchange heat into hot air, the hot air is then guided into the curing kiln and acts on a mold outside the packaged base material through heat conduction, the heat is transferred into the base material through the mold, the heat is gradually transferred into the wood from an adjacent layer of the base material, a modifier in the material generates a crosslinking reaction at a higher temperature, the reconstituted wood curing is realized, the outside-in heating curing process is realized, the heating time is long, the heating temperature is high, the energy utilization rate is low, meanwhile, a large temperature difference is formed between the inside and the outside of the material due to the heat conduction, so that a large internal stress is formed, in order to control the temperature of different areas in the stages before and after the curing, a heat exchange device needs to be additionally arranged on, the equipment efficiency is low.

The prior art is solved by methods of reducing radiation power, prolonging drying time and the like, so that energy consumption and processing time are increased, and working efficiency is reduced.

In view of the above, how to provide a way to efficiently achieve uniform curing is an urgent problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a microwave curing device, the device can realize the solidification operation of restructuring wooden substrate with high efficiency, and the solidification effect is even.

In order to achieve the above object, the present invention provides the following technical solutions:

a microwave curing apparatus, comprising: a microwave box body, a magnetron and a microwave power supply; the microwave box has 2 continuous side at least in circumference, all the side all is equipped with the microwave of being convenient for and gets into the inside trompil of microwave box, just the side all is equipped with be used for to the inside transmission microwave of microwave box the magnetron, the magnetron is connected and is used for controlling the magnetron the microwave power supply.

Preferably, the cross section of the cylinder surrounded by the side surface of the microwave box body is in a symmetrical shape, and the open holes or the magnetrons are uniformly distributed on the circumference of the microwave box body.

Preferably, the cross section of a cylinder surrounded by the side surfaces of the microwave box body is a regular polygon, the opening is arranged at the midline of the side surfaces, and the propagation direction of the microwaves emitted into the microwave box body is perpendicular to the side surfaces.

Preferably, one magnetron is connected with one microwave power supply, and the microwave power supplies are respectively connected with corresponding control devices.

Preferably, all the control devices are connected with a central control device and are used for realizing the sequential start-stop work of the magnetrons in the circumferential direction.

Preferably, the microwave emitting port of the magnetron is communicated with a waveguide tube device for dispersing and amplifying microwaves, and strip-shaped slits are arranged on the surface of the waveguide tube device and communicated with the opening.

Preferably, the strip-shaped slits on the waveguide device are arranged in a staggered manner or uniformly; and/or the waveguide tube device is arranged along the length direction of the microwave box body.

Preferably, at least two rows of strip-shaped slots on the waveguide arrangement are arranged in a staggered array.

Preferably, the microwave box body is a cylindrical structure, and further comprises a non-metal conveyor belt for conveying materials, wherein the conveyor belt penetrates through the inside of the cylindrical microwave box body.

Preferably, the microwave oven further comprises a disturbing device for disturbing the microwaves so as to be uniformly distributed in the microwave oven body, and the disturbing device is arranged in the microwave oven body.

The utility model provides a pair of among the microwave curing device, because two or above sides are provided with the opening of introducing the microwave for the position that the microwave got into the microwave box is inequality, opens through microwave power control magnetron and stops, can carry out the three-dimensional heating in two at least positions to the material that needs radiant heating, so that form comparatively even heating effect on the material. The microwave sources in the application are different from the microwave sources with single positions and single quantity in the prior art, so that the microwave radiation is distributed more dispersedly under the condition of meeting the power, the radiation is prevented from being too concentrated, and the radiation efficiency is higher. The microwave source layout solves the problem of microwave radiation uniformity, can effectively ensure the curing uniformity of the recombined material, and improves the processing quality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic view of an embodiment of a microwave curing apparatus provided in the present invention;

fig. 2 is a front view of the microwave curing apparatus provided by the present invention;

fig. 3 is a partial schematic view of a waveguide device according to the present invention.

In FIGS. 1-3:

1 is a magnetron, 2 is a microwave power supply, 3 is a waveguide tube device, 31 is a strip-shaped gap, 4 is a microwave box body, 5 is a vent hole, and 6 is a conveyor belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a microwave curing device, the device can realize the solidification operation of reorganization wood substrate high-efficiently, and the solidification effect is even.

Referring to fig. 1-3, fig. 1 is a schematic diagram of a microwave curing device according to an embodiment of the present invention; fig. 2 is a front view of the microwave curing apparatus provided by the present invention; fig. 3 is a partial schematic view of a waveguide device according to the present invention.

The application provides a microwave curing apparatus, includes: a microwave box body 4, a magnetron 1 and a microwave power supply 2; the microwave box body 4 is provided with at least 2 circumferentially continuous side faces, all the side faces are provided with holes facilitating microwaves to enter the interior of the microwave box body, the side faces are provided with magnetrons 1 used for emitting microwaves to the interior of the microwave box body 4, and the magnetrons 1 are connected with a microwave power supply 2 used for controlling the magnetrons 1.

At least two different positions on the circumference of the microwave box body 4 are provided with holes for facilitating the microwave to enter the inside of the microwave box body 4, that is, two or more different positions in a complete circumferential surface enclosed by the microwave box body 4 are respectively provided with holes, namely, at least two holes can be arranged along the circumference.

It should be noted that the microwave box 4 is a device for placing the material to be processed, and has at least 2 side walls because the magnetron 1 needs to be arranged, where the side walls refer to the walls forming the microwave box 4 and may include a left side wall, a right side wall, a top wall, or a bottom wall, that is, the microwave box 4 may be a box-shaped structure lacking a top portion, a tubular structure lacking a top portion and a bottom portion, or a complete box structure having a side portion, a top portion, and a bottom portion. The above-mentioned continuous at least 2 sides mean that be the connected state between a plurality of side, can be for end to end connection in proper order, form the ring-type, or be a plurality of concatenation, form box-like, also can be other connected states.

The microwave box body 4 has at least 2 side faces in one circumferential direction, and when the number of the side faces is 2, the first face can be an arc-shaped face, and the second face can be an arc-shaped face to form an arc-shaped cylinder structure, or the second face can be a plane to form a cylinder structure with a D-shaped section; when 3 side faces are provided, the first face, the second face and the third face can be a plane, a bent face or an arc face respectively; when there are 4 or more than 4 sides, the adjustment can be made according to the actual requirement of the material to be processed, and the specific structure is not limited in this embodiment.

At least 2 sides of the microwave box body 4 are provided with holes, and are provided with magnetrons 1 used for emitting microwaves, and the magnetrons 1 are connected at the holes on the surface of the microwave box body 4 and can emit the microwaves into the microwave box body 4. It should be noted that, in order to ensure the effectiveness of microwave emission, the length of the opening is significantly greater than 1/2 of the wavelength of the microwave, the actual length is generally increased, and the opening is used to ensure that the microwave passes through, and therefore must be multiple times greater than the wavelength of the microwave.

Because two or more sides are provided with the opening of introducing the microwave, consequently, the position that the microwave got into microwave box 4 is inequality, opens through microwave power supply 2 control magnetron 1 and stops, can carry out the three-dimensional heating in two at least azimuths to the material that needs radiant heating to form comparatively even heating effect on the material. The microwave sources in the application are different from the microwave sources with single positions and single quantity in the prior art, so that the microwave radiation is distributed more dispersedly under the condition of meeting the power, the radiation is prevented from being too concentrated, and the radiation efficiency is higher. The microwave source layout solves the problem of microwave radiation uniformity, can effectively ensure the curing uniformity of the recombined material, and improves the processing quality.

On the basis of the above embodiment, specifically, the cross section of the cylindrical body enclosed by the side surfaces of the microwave box 4 is a symmetrical shape, and the openings or the magnetrons 1 are uniformly arranged in the circumferential direction of the microwave box 4.

Evenly distributed can make the heating effect that the material received more even in circumference, from the angle, if the trompil is two, then can realize the bilateral simultaneous heating of symmetry, if the trompil is 3 or more, then can realize even, accurate heating in material circumference, avoid having microwave heating in circumference not enough or disappearance.

Preferably, at least 4 openings are provided in the circumferential direction for uniform microwave heating of the reconstituted wood material.

On the basis of the above embodiment, the cross section of the cylindrical body enclosed by the side surfaces of the microwave box 4 is a regular polygon, the opening is arranged at the center line of the side surfaces, and the propagation direction of the microwaves emitted into the microwave box 4 is perpendicular to the side surfaces.

It should be noted that the microwave box 4 is generally a tubular structure with a quadrangular or regular quadrangular cross section, but in order to match with a reconstituted wood structure, the microwave box 4 may be a box with a pentagonal or hexagonal cross section, which may be specifically a regular pentagonal or a regular hexagonal to improve the heating uniformity, and may also be a box with a more polygonal cross section, and preferably, the microwave box 4 is in three main forms, namely a four-sided form, a five-sided form and a six-sided form, so that the microwave emission sources can be uniformly dispersed, the structure can be prevented from being excessively complicated, and the cost can be conveniently controlled.

In order to provide a centered, stable and uniform microwave heating effect, the openings may in particular be arranged at the midline of the side, which means the midline in a direction perpendicular to the cross-section.

It should be noted that, in order to improve the stability of heating, the microwave is preferably emitted to the center of the box when being emitted to the inside of the box, that is, the propagation direction of the microwave is directed to the center of the box or perpendicular to the side.

On the basis of any one of the above embodiments, one magnetron 1 is connected with one microwave power supply 2, and the microwave power supplies 2 are respectively connected with corresponding control devices.

The plurality of magnetrons 1 arranged in the circumferential direction of the microwave box body 4 are controlled to start and stop through the corresponding microwave power supplies 2 respectively, and are not controlled uniformly through the unified microwave power supply 2, so that the situation that microwaves enter the microwave box body 4 in a single combination mode can be avoided, and the magnetrons 1 working in the circumferential direction can be adjusted according to the actual conditions of materials, such as the proportional relation between the width, the height and the thickness of the materials, and the quantity and the corresponding relation of the magnetrons 1 working in the circumferential direction.

In the present embodiment, the control of all magnetrons 1 is distributed to the corresponding microwave power supplies 2 so as to conveniently control the individualized operation mode, and the flexibility and the coupling are high.

But at the same time, due to the higher flexibility, the overall scheduling work of the magnetron 1 can also be realized. In a preferred embodiment, all the control devices are connected to a central control device, and are used for realizing that the magnetron 1 sequentially starts and stops in the circumferential direction so as to form circumferentially continuous rotary heating, and periodically perform microwave heating processing on the material, thereby avoiding the influence of the material foundation caused by overlong heating time at a certain position of the material.

It should be noted that the central control device can also realize a wider variety of control by means of logic control and the like, so that a plurality of magnetrons 1 in the circumferential direction form a rich control mode.

For a single independent magnetron 1, the microwave power supply 2 and the control device can be integrated into an independent power supply control module, and the transmitting power, the starting and stopping can be controlled by a program. The complete equipment can be assembled by taking the assembly as a unit, not only can work independently, but also can be continuously arranged in multiple groups, and the microwave transmitting power, the starting and stopping time and the like of each group are controlled according to the process requirements, so that the continuous processing of batch materials is completed, and the complete equipment is suitable for processing materials with different specifications.

Preferably, the magnetrons 1 in the circumferential surface are sequentially controlled to be started and stopped to form a wheel-moving mode, the plurality of magnetrons 1 on the cross section can be sequentially switched on and off one by one to form a rotary radiation type microwave field, the autorotation radiation mode of simulating fixed materials is achieved, the autorotation radiation mode is more uniform than a unidirectional microwave radiation mode, and the curing effect can be improved.

On the basis of the above embodiments, a group of magnetrons 1 can be formed on one circumferential surface of the microwave box 4, and the group of magnetrons 1 can be controlled uniformly or divided into a plurality of small groups to realize rich use effect.

For the propagation of the microwave, if the microwave is only conducted through the point-to-point connection, the microwave is only introduced into one point on the microwave box 4, which is not favorable for realizing uniform distribution of the microwave after entering the microwave box 4.

On the basis of any of the above embodiments, the microwave emitting port of the magnetron 1 is communicated with the waveguide device 3 for dispersing and amplifying the microwaves, the surface of the waveguide device 3 is provided with the strip-shaped slits 31, and the strip-shaped slits 31 are communicated with the opening. Specifically, the area of the strip-shaped slits 31 is smaller than or equal to the area of the openings.

The waveguide device 3 is a structure capable of transmitting microwaves, and is generally a metal structure, and may be specifically a metal waveguide or other waveguide device, and functions like a gas pipe for conducting gas or a water pipe for conducting liquid. Since the microwave emitting port of the magnetron 1 is generally a hole-like structure, the entrance of the metal waveguide may be a hole at the end or the middle of the pipe to facilitate the connection of the magnetron 1. In order to make the microwaves entering the microwave box 4 uniform, a plurality of strip slots 31 may be provided in the longitudinal direction of the waveguide device 3.

The strip slot 31 is used as a slot antenna, and the microwave emitted from the magnetron 1 is guided out through the strip slot 31 of the waveguide device 3 and then uniformly radiated into the microwave box 4. The waveguide device 3 has a full shielding structure in other directions except for the position where the strip-shaped slot 31 is provided, and prevents the microwave from leaking out.

The extension direction and angle of the strip-shaped slot 31 are not limited, the size of the slot of the strip-shaped slot 31 is designed according to the characteristics of the wavelength of the microwave source, and the like, generally, in order to ensure the effectiveness of microwave emission, the design length of the slot is larger than 1/2 of the wavelength of the microwave, and the actual length is generally increased.

Because the strip-shaped gaps 31 are communicated with the open pores, namely the open pores can be larger, one open pore corresponds to a plurality of strip-shaped gaps 31,

the waveguide device 3 further disperses the microwaves emitted from the magnetron 1 throughout the waveguide device 3 by utilizing the function of reflecting electromagnetic waves by metal, thereby forming a larger area. Towards one side of microwave box 4 inside on every waveguide device 3, be provided with many bars slits, can be with the transmission of the microwave uniform dispersion who comes in to the box space in, make microwave distribution more even.

The waveguide tube device 3 can enlarge the acting area of the microwave output to the microwave box body 4, in particular, the length of the waveguide tube device 3 can be equal to or close to the length of the microwave box body 4, and strip-shaped slits are distributed on the waveguide tube device 3, so that the microwave can be obtained in the length direction of the microwave box body 4 for microwave heating.

On the basis of the above embodiment, the strip slots 31 on the waveguide device 3 are arranged in a staggered manner or uniformly; and/or the waveguide arrangement 3 is arranged along the length of the microwave cabinet 4.

The bar gap 31 that the mistake fell set up can make the microwave that gets into microwave box 4 disperse more, can make the microwave more even, avoids the condition of concentrated heating to appear.

Preferably, when the length of the microwave box 4 is long, if the magnetron 1 is used to directly guide the microwave into the microwave box 4, the microwave will not be uniform along the length of the microwave box 4.

The waveguide device can be arranged along the length direction of the microwave box body 4, or can be arranged along the transmission direction of the material if the material in the microwave box body 4 is in a transmission state, so that the microwave heating can be always realized in the transmission and movement process of the recombined wood material, and the structure is prevented from being complicated and generating redundancy due to interference and the like.

On the basis of any of the above-described embodiments, the at least two rows of strip-shaped slots 31 of the waveguide arrangement 3 are arranged in a staggered array.

It should be noted that, the two rows of staggered patterns can refer to fig. 3, wherein the strip-shaped slits 31 can be combined to form a single row of strip-shaped slits 31, and when several rows of strip-shaped slits 31 are arranged, they can be arranged in an array with a variable angle, or in an array with a variable distance, etc. The purpose of the array arrangement is to avoid non-uniformity of the microwaves inside the microwave box 4.

On the basis of any of the above embodiments, the microwave cabinet is of a cylindrical structure, and further comprises a non-metallic conveyor belt 6 for conveying materials, wherein the conveyor belt 6 passes through the inside of the cylindrical microwave cabinet 4.

By combining the control device and the central control device to control the magnetron 1 to circumferentially start and stop in sequence, the microwave oven can be formed in the transmission process under the condition that the microwave oven body 4 is cylindrical and is driven by the conveyor belt 6, and circumferential microwave heating can be realized on the reconstituted wood materials.

The recombined wood material can realize continuous processing of feeding and discharging, improve the working efficiency, simultaneously avoid the continuous action of microwaves on the same part of the material, prevent uneven radiation, improve the uniform distribution effect of the microwaves,

it should be noted that at least half of the circle of the conveyor belt 6 for carrying is arranged inside the microwave box 4, and the other half of the conveyor belt 6 may be arranged inside or below the microwave box, as shown in fig. 1.

The material transfer may be performed by a robot or the like, in addition to the conveyor belt 6.

On the basis of any one of the above embodiments, the microwave oven further comprises a disturbing device for disturbing the microwaves so as to make the microwaves uniformly distributed in the oven body, and the disturbing device is arranged in the microwave oven body 4.

It should be noted that the perturbation device may be a connection perturbation blade or a perturbation impeller, and can form a rotational motion effect on the microwave by power driving, and the microwave in the microwave box 4 can be uniformly arranged in a larger size by perturbation. The power source of the disturbing device can be arranged outside the microwave box body 4.

In a preferred embodiment of the present application, there is a vent hole 5 on the side of the microwave box 4, and the vent hole 5 is mainly used to remove moisture to the outside and to facilitate the user to observe the inside state.

In one embodiment, the microwave box 4 is a hollow metal casing device with two open ends, on which a microwave power supply 2 and a magnetron 1 are connected, and a microwave field environment is formed inside the microwave box 4. Preferably, the microwave box 4 has wave suppressors or other safety devices at both ends thereof for preventing the microwave from leaking.

Preferably, each of the microwave power supply 2 and the waveguide device 3 is disposed at both sides of the magnetron 1, and the magnetron 1, the microwave power supply 2 and the waveguide device 3 are connected to the microwave cabinet 4 at a central position of the side of the microwave cabinet 4.

Preferably, the waveguide device 3 is formed by welding rectangular aluminum plates and is a closed waveguide cavity.

Preferably, the length of each microwave box body 4 is 3.0 meters, so that the microwave box body is suitable for the length of most materials with different sizes which can be processed at present, connecting plates are arranged at two ends of each microwave box body 4, and a plurality of microwave box bodies can be connected in series in a grouped mode to adapt to the processing efficiency and the capacity of workshop places.

In a specific embodiment, a transmission belt device made of PP (polypropylene) or other non-metallic materials is arranged on the device, a mesh chain type is adopted according to the form of a bearing material, the thickness is 16mm, and the device can bear the weight of 200kg within the length of 3.0 meters of a single box body. The mesh belt has high microwave penetrability and high bearing strength.

The microwave box 4 provided by the application can be assembled to form a continuous microwave box group under the condition of cylindrical shape.

In one specific embodiment of the present application, there is provided a continuous feed and four-side wave-fed curing microwave curing apparatus, comprising: the microwave box body 4, the magnetron 1, the microwave power supply 2, the waveguide tube device 3 and the conveyer belt 6, when in use, the microwave box body 4 has four surfaces, each surface is provided with a group of the microwave power supply 2, the magnetron 1 and the waveguide tube device 3, the rated power of each magnetron 1 is 1.0kW, the magnetron power supplies on the four surfaces are simultaneously electrified, if the modified recombined wood material processed at the time selects a base material with the cross section of 120 x 150mm and the length of 2500mm, according to the microwave penetrability test, the microwave power is adjusted to be 0.25kW for each magnetron, the total power of a single microwave box is 1.0kW when the microwave box is actually started, the total power is 8 microwave box bodies 4 and 32 groups of the magnetrons are arranged, the maximum power of the whole set of device is 32kW, the actual starting power is 8.0kW, the combined length of the microwave box bodies 4 in the equipment is 24 meters, and, the total length of the equipment is 30 meters. The speed of the conveyor belt 6 is set to be 0.5 m/min, the microwave box can radiate microwaves to materials on four sides, longitudinal feeding is adopted, 1 piece is fed each time, the materials are sequentially fed and discharged end to end, and the curing processing efficiency of the microwave device is 12 pieces/hour.

The application also provides a microwave curing device which is continuously conveyed and cured by feeding waves from six sides, and is characterized by comprising a microwave hexagonal box body 4, wherein 6 microwave hexagonal boxes are arranged in use, and 6 magnetrons are arranged in a single microwave box. The total power is 1.5kW when the microwave oven is actually started, 8 square boxes are arranged in total, 32 groups of magnetrons are arranged, the maximum power of the whole set of the microwave oven is 48kW, the actual starting power is 12.0kW, the set speed of the conveyor belt is 0.75 m/min, microwaves can be radiated on the materials by 6 surfaces of the microwave boxes, and the curing processing efficiency of the microwave oven is 18 pieces/h.

The application also provides a microwave curing device with continuous conveying, double-sided wave feeding and multi-group feeding, and the microwave curing device is different from the embodiment in that the microwave power is adjusted to be 0.75kW for the magnetrons 1 on the upper surface and the lower surface, 0.25kW is set for the power of the magnetrons 1 on the left surface and the right surface, four magnetrons 1 are arranged in a single microwave box body 4, the microwave box body 4 can radiate microwaves to materials on four surfaces, longitudinal feeding is adopted, 2 pieces are fed at each time, the materials are fed and discharged in an end-to-end connection sequence, and the curing processing efficiency of the microwave device is 24 pieces/hour.

The magnetron 1 that a plurality of individual transmission microwave was arranged to microwave box 4 periphery that this application provided, and equally divide and arrange, the radiation of formation is even, can not produce the overlapping region of great syntropy microwave radiation, improves microwave homogeneity and utilization ratio.

The microwave emission from each magnetron 1 is directed through a waveguide arrangement so that it is dispersed over a larger area rather than concentrated in a smaller area when it is directed into the microwave box 4, further improving radiation uniformity.

The magnetrons distributed and arranged are integrated with the power supply, the material immobilization can be realized on the program design of the control device and the central control device, the simulated motion state of the alternate opening of the peripheral microwaves is better than the microwave effect of a fixed form, the radiation is more uniform, the material rotation is easier to realize than the realization, and the technology is more advanced.

In addition, the conveyer belt device is configured and the conveyer belt device can be flexibly matched in a group, so that the adaptability of the device to materials with various specifications is improved, the device can receive uniform radiation in a continuous dynamic process and improve the processing efficiency, and the device is favorable for industrial production and application.

In addition to the main structure of the microwave curing device provided in the above embodiments, the structure of other parts of the microwave curing device is referred to the prior art, and is not described herein again.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The microwave curing device provided by the utility model is introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. A microwave curing apparatus, comprising: a microwave box body (4), a magnetron (1) and a microwave power supply (2); microwave box (4) have 2 continuous at least sides in circumference, all the side all is equipped with the microwave of being convenient for and gets into the inside trompil of microwave box, just the side all be equipped with be used for to microwave box (4) inside transmission microwave magnetron (1), magnetron (1) is connected and is used for control magnetron (1) microwave power supply (2).

2. Microwave curing unit according to claim 1, characterized in that the cross-section of the cylinder enclosed by the sides of the microwave cabinet (4) is symmetrical, and the openings or magnetrons (1) are evenly arranged in the circumference of the microwave cabinet (4).

3. Microwave curing unit according to claim 2, characterized in that the cross-section of the cylinder enclosed by the sides of the microwave cabinet (4) is a regular polygon, the opening is arranged at the midline of the sides, and the propagation direction of the microwaves emitted into the microwave cabinet (4) is perpendicular to the sides.

4. Microwave curing unit according to claim 1, characterized in that one of said magnetrons (1) is connected to one of said microwave power supplies (2), said microwave power supplies (2) being connected to respective control means.

5. The microwave curing device according to claim 4, wherein all the control devices are connected to a central control device for realizing the sequential start-stop operation of the magnetrons (1) in the circumferential direction.

6. A microwave curing apparatus according to any one of claims 1 to 5, wherein the microwave emitting opening of the magnetron (1) communicates with a waveguide device (3) for dispersing and amplifying the microwaves, and the surface of the waveguide device (3) is provided with strip-shaped slits (31), and the strip-shaped slits (31) communicate with the opening.

7. Microwave curing unit according to claim 6, characterized in that the strip slots (31) on the waveguide device (3) are arranged staggered or uniformly;

and/or the waveguide tube device (3) is arranged along the length direction of the microwave box body (4).

8. Microwave curing unit according to claim 7, characterized in that the at least two rows of strip-shaped slots (31) on the waveguide means (3) are arranged in a staggered array.

9. Microwave curing unit according to claim 6, characterized in that the microwave cabinet (4) is of cylindrical construction, further comprising a non-metallic conveyor belt (6) for transferring material, the conveyor belt (6) passing through the inside of the cylindrical microwave cabinet (4).

10. Microwave curing apparatus according to claim 6, further comprising a perturbation device for perturbing the microwaves so as to be evenly distributed inside the microwave cabinet (4), the perturbation device being disposed inside the microwave cabinet (4).

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