A microwave device for ceramic cotton board

Abstract

The present invention discloses a ceramic wool board microwave device, which includes a material transmission device, a microwave emitter, and a microwave cavity. The material transmission device carries materials through the microwave cavity for drying. An exhaust window, a microwave inlet hole, a feed port, and a discharge port are provided on the microwave cavity. The top surface of the microwave cavity includes a top plane and two symmetric top inclined surfaces on both sides. The exhaust window is provided on the top plane, and a plurality of microwave inlet holes are provided on the top inclined surfaces. The microwave emitter is installed above the two top inclined surfaces, and the microwave rays emitted by the microwave emitter enter the interior of the microwave cavity through the microwave inlet holes at a set angle; the feed port and the discharge port are symmetrically arranged on the two vertical side walls of the microwave cavity. The present invention has a clever concept. By reasonably arranging the microwave emitter and the microwave inlet holes, the directional emission of microwaves is realized, thereby increasing the reflection times of microwaves, effectively improving the utilization rate of microwaves, and enhancing the drying effect.

Description

Technical Field

[0001] The present invention relates to the technical field of microwave drying equipment, and in particular to a ceramic wool board microwave equipment. Background Art

[0002] Industrial microwave ovens have a very wide range of uses and are generally divided into two types: cabinet type and tunnel type.

[0003] In the existing tunnel-type industrial microwave oven, the microwave generator is generally arranged above the resonant cavity. A support device for the conveyor belt is installed in the cavity. The resonant cavity is set as a cuboid. Microwaves are radiated onto the product to be dried through multiple holes on the top surface. The direct microwaves are vertically emitted and directly penetrate the product, and the microwaves cannot form effective reflection, resulting in low utilization rate.

[0004] Therefore, how to develop a new type of microwave oven cavity to increase the reflection of microwaves and improve the microwave utilization rate has become a technical problem that needs to be solved urgently by those skilled in the art. Summary of the Invention

[0005] The purpose of the present invention is to provide a ceramic wool board microwave equipment, which solves the problem of low utilization rate of existing traditional microwave equipment through technical improvement of the microwave oven cavity.

[0006] To solve the above technical problems, the present invention adopts the following technical solutions:

[0007] A ceramic wool board microwave equipment of the present invention includes a material transmission device, a microwave emitter, and a microwave cavity. The material transmission device carries the material through the microwave cavity and dries it. The microwave cavity is provided with an exhaust window, a microwave inlet hole, a feed port, and a discharge port. The top surface of the microwave cavity includes a top plane and two symmetric top inclined surfaces on both sides. The exhaust window is arranged on the top plane, and a plurality of the microwave inlet holes are arranged on the top inclined surfaces. The microwave emitter is installed above the two top inclined surfaces, and the microwave rays emitted by the microwave emitter enter the interior of the microwave cavity at a set angle through the microwave inlet holes; the feed port and the discharge port are symmetrically arranged on two vertical side walls of the microwave cavity.

[0008] Further, the included angle between the top inclined surface and the horizontal plane is set to 15° to 30°.

[0009] Still further, each top inclined surface is provided with multiple rows of the microwave inlet holes 3. The arrangement modes of two adjacent rows of the microwave inlet holes are the same, and the position of the middle row of the microwave inlet holes 3 is arranged in a staggered manner with the adjacent microwave inlet holes.

[0010] Still further, the microwave inlet hole is specifically set as a rectangular hole, a square hole, or a circular hole.

[0011] Further, the central axis of the microwave inlet hole is perpendicular to the top inclined surface.

[0012] Further, the top plane and the top inclined surface of the microwave cavity are made of a composite material, which includes a microwave cavity main body, an adsorption layer, and a reflection layer. The microwave cavity main body is made of stainless steel, the adsorption layer is made of a plate formed by mixing silicon carbide powder and cement, and the reflection layer is sprayed on the inner surface of the adsorption layer.

[0013] Further, the adsorption layer is a 5-mm-thick plate made of a mixture of silicon carbide powder and cement, and the adsorption layer specifically uses aluminum powder.

[0014] Further, the inner surface of the microwave cavity is specifically provided with a plurality of equally spaced and uniformly distributed grooves, and the width of the grooves is set to 10 mm to 15 mm.

[0015] Further, the microwave emitter includes a magnetron and a microwave suppressor. The magnetron uses a continuous-wave magnetron. The arrangement distance between the two magnetrons is 30 cm, the microwave emission angle is 55° to 65°, and the arrangement of the magnetrons corresponds to the layout of the microwave inlet holes; the microwave suppressor is directionally arranged on the side where the microwave rays of the magnetron are emitted.

[0016] Further, the microwave suppressor is set as a double-layer plate, which includes a stainless steel plate as the inner layer and a lead plate as the outer layer, and the stainless steel plate and the lead plate are composite-bonded together.

[0017] Compared with the prior art, the beneficial technical effects of the present invention are as follows:

[0018] The ceramic wool board microwave equipment of the present invention includes a material transmission device, a microwave emitter, and a microwave cavity. The material transmission device carries materials through the microwave cavity and dries them. The microwave cavity is provided with an exhaust window, a microwave inlet hole, and a discharge port. The top surface of the microwave cavity includes a top plane and two symmetric top inclined surfaces on both sides. The exhaust window is arranged on the top plane to improve the discharge of gas during the drying process. The microwave emitter is installed above the two top inclined surfaces and enters the interior through a plurality of microwave inlet holes. Moreover, the microwave rays emitted by the microwave emitter are incident at a set angle, which can effectively form multiple reflections, achieve directional drying, reduce the microwave while improving its utilization rate; in addition, the microwave cavity is made of a composite material, which includes a microwave cavity main body, an adsorption layer, and a reflection layer. Among them, the adsorption layer can absorb microwaves, and the reflection layer can form refraction with the greatest intensity to improve the utilization rate of microwaves. The present invention is ingeniously conceived. By reasonably arranging the microwave emitter and the microwave inlet holes, the directional emission of microwaves is realized, thereby increasing the number of reflections of microwaves, effectively improving the utilization rate of microwaves, and enhancing the drying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below in conjunction with the accompanying drawings.

[0020] Figure 1 It is a schematic diagram of the microwave equipment for ceramic wool board of the present invention;

[0021] Figure 2 It is a top view of the microwave equipment for ceramic wool board of the present invention;

[0022] Figure 3 It is a schematic diagram of the emission and reflection of microwave rays of the present invention;

[0023] Figure 4 It is a cross-sectional view of the microwave cavity of the present invention;

[0024] Figure 5 It is a schematic diagram of the material composition of the microwave cavity of the present invention;

[0025] Figure 6 It is a schematic diagram of the material composition of the microwave suppressor of the present invention;

[0026] Figure 7 It is a schematic diagram of the internal shape of the microwave cavity of the present invention;

[0027] Description of reference numerals: 1. Microwave cavity; 2. Exhaust window; 3. Microwave inlet hole; 4. Discharge port; 5. Feed port; 6. Microwave ray; 7. Magnetron; 8. Microwave suppressor; 9. Conveyor belt; 10. Ceramic wool board;

[0028] 101. Microwave cavity main body; 102. Adsorption layer; 103. Reflection layer; 104. Groove; 801. Stainless steel layer; 802. Lead plate layer. Specific embodiments

[0029] As Figures 1 to 7 shown, a microwave equipment for ceramic wool board includes a material transmission device, a microwave emitter and a microwave cavity 1. The material transmission device carries the material through the microwave cavity 1 and dries it. An exhaust window 2, a microwave inlet hole 3, a feed port 5 and a discharge port 4 are provided on the microwave cavity 1. The top surface of the microwave cavity 1 includes a top plane and two symmetric top inclined surfaces on both sides. The exhaust window 2 is provided on the top plane, and a plurality of the microwave inlet holes 3 are provided on the top inclined surfaces. The microwave emitter is installed above the two top inclined surfaces, and the microwave rays 5 emitted by the microwave emitter enter the interior of the microwave cavity 1 at a set angle through the microwave inlet holes 3. The feed port 5 and the discharge port 4 are symmetrically arranged on the two vertical side walls of the microwave cavity 1.

[0030] Specifically, the angle between the top inclined surface and the horizontal plane is set to 15° to 30°. Each top inclined surface is provided with multiple rows of microwave inlet holes 3, and the microwave inlet holes 3 in the two alternate rows are arranged in the same manner, and the microwave inlet holes 3 in the middle row are arranged in a staggered manner with the adjacent microwave inlet holes 3.

[0031] The microwave inlet hole 3 is specifically configured as a rectangular hole, a square hole or a circular hole. The central axis of the microwave inlet hole 3 is configured to be perpendicular to the top inclined surface.

[0032] like Figures 4 to 5 As shown, the top plane and top slope of the microwave cavity 1 are made of a composite material. The composite material includes a microwave cavity body 101, an adsorption layer 102, and a reflective layer 103. The microwave cavity body 101 is made of stainless steel, the adsorption layer 102 is made of a plate made of a mixture of silicon carbide powder and cement, and the reflective layer 103 is sprayed on the inner surface of the adsorption layer 102. Specifically, the adsorption layer 102 is a 5 mm thick plate made of a mixture of silicon carbide powder and cement, and is made of aluminum powder.

[0033] like Figure 7 As shown, the inner surface of the microwave cavity 1 is specifically provided with a plurality of grooves 104 evenly spaced and uniformly distributed. The width of the grooves 104 is set to 10 mm to 15 mm. The setting of the grooves effectively increases the total area of the bottom surface, which is convenient for the adsorption or reflection of microwave rays.

[0034] like Figure 4 As shown, the microwave emitter includes a magnetron 7 and a microwave suppressor 8. The magnetron 7 is a continuous wave magnetron. The arrangement distance between the two magnetrons 7 is 30 cm. The microwave emission angle is 55° to 65°, preferably 60°. The arrangement of the magnetrons 7 corresponds to the arrangement of the microwave inlet 3. The microwave suppressor 8 is directional and arranged on the microwave ray emission side of the magnetron 7. Specifically, as Figure 6 As shown, the microwave suppressor 8 is configured as a double-layer plate, which includes a stainless steel plate 801 as an inner layer and a lead plate 802 as an outer layer. The stainless steel plate 801 and the lead plate 802 are compositely bonded together. The design of the microwave suppressor 8 can effectively control the emission angle of the microwave ray 6 while preventing it from overflowing.

[0035] The working process of the present invention is as follows:

[0036] First, if Figure 4As shown, the ceramic wool board 10 is placed on the material transfer device. Specifically, the material transfer device can be a mobile platform or a conveyor belt 9. The left side of the microwave cavity 1 is provided with a feed inlet 5, and the right side is provided with a discharge outlet 4. A microwave emitter is installed on the top of the microwave cavity 1. The ceramic wool board enters the microwave cavity 1 from the feed inlet under the movement of the conveyor belt, and after being dried by microwaves, it is removed from the discharge outlet to the next station. During drying, the electromagnetic wave emitted by the microwave emitter is incident at an angle of 55° to 65° with the vertical direction through the microwave inlet hole 3, and forms a broken line after passing through the reflection layer 103 at the bottom of the microwave cavity to re-utilize the drying of the ceramic wool board twice or three times, effectively preventing microwave leakage and further improving the utilization rate of microwave rays.

[0037] In order to further improve the safety of microwave use and avoid harm to the human body and equipment caused by microwave leakage, a protective cover can be added to the periphery of the microwave cavity 1. The protective cover is provided with a material inlet and an outlet. The material of the protective cover is an adsorption plate made of a mixture of silicon carbide powder and cement, which further absorbs a small amount of residual waves overflowing from the exhaust window 2, the feed inlet 5, and the discharge outlet 4, effectively improving the safety of microwave use.

[0038] The above-described embodiments are only descriptions of the preferred embodiments of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A ceramic wool board microwave device, comprising a material transmission device, a microwave emitter, and a microwave cavity (1). The material transmission device carries materials and passes through the microwave cavity (1) for drying. It is characterized in that: The microwave cavity (1) is provided with an exhaust window (2), a microwave inlet hole (3), a feed port (5) and a discharge port (4); the top surface of the microwave cavity (1) includes a top plane and two symmetrical top inclined surfaces; the exhaust window (2) is provided on the top plane; a plurality of microwave inlet holes (3) are provided on the top inclined surfaces; the microwave emitter is installed above two of the top inclined surfaces; and the microwave rays (6) emitted by the microwave emitter enter the interior of the microwave cavity (1) through the microwave inlet holes (3) at a set angle; the feed port (5) and the discharge port (4) are symmetrically provided on two vertical side walls of the microwave cavity (1); The top plane and the top inclined surface of the microwave cavity (1) are made of a composite material, wherein the composite material comprises a microwave cavity body (101), an adsorption layer (102) and a reflection layer (103), wherein the microwave cavity body (101) is made of stainless steel, the adsorption layer (102) is made of a plate made of a mixture of silicon carbide powder and cement, and the reflection layer (103) is sprayed on the inner surface of the adsorption layer (102); The inner surface of the microwave cavity (1) is specifically provided with a plurality of grooves (104) uniformly distributed at equal intervals, and the width of the grooves (104) is set to 10 mm to 15 mm.

2. The ceramic wool board microwave device according to claim 1, characterized in that: The angle between the top inclined surface and the horizontal plane is set to 15° to 30°.

3. The ceramic wool board microwave device according to claim 2, characterized in that: A plurality of rows of microwave inlet holes (3) are provided on each of the top inclined surfaces, and the arrangement of the two alternate rows of microwave inlet holes (3) is the same, and the positions of the microwave inlet holes (3) in the middle row are staggered with the adjacent microwave inlet holes (3).

4. The ceramic wool board microwave device according to claim 3, characterized in that: The microwave inlet hole (3) is specifically configured as a rectangular hole, a square hole or a circular hole.

5. The ceramic wool board microwave device according to claim 3, characterized in that: The central axis of the microwave inlet hole (3) is arranged perpendicular to the top inclined surface.

6. The ceramic wool board microwave device according to claim 1, characterized in that: The adsorption layer (102) is a 5 mm thick plate made of a mixture of silicon carbide powder and cement. The adsorption layer (102) is specifically made of aluminum powder.

7. The ceramic wool board microwave device according to claim 1, characterized in that: The microwave emitter comprises a magnetron (7) and a microwave suppressor (8), wherein the magnetron (7) is a continuous wave magnetron, the arrangement distance between the two magnetrons (7) is 30 cm, the microwave emission angle is 55° to 65°, and the arrangement of the magnetrons (7) corresponds to the arrangement of the microwave inlet hole (3); the microwave suppressor (8) is directionally arranged on the microwave ray emission side of the magnetron (7).

8. The ceramic wool board microwave device according to claim 7, characterized in that: The microwave suppressor (8) is configured as a double-layer plate, the double-layer plate comprising a stainless steel plate (801) as an inner layer and a lead plate (802) as an outer layer, the stainless steel plate (801) and the lead plate (802) being compositely bonded together.

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