CN212299743U - Quantitative microwave hot air coupling drying oven - Google Patents
Quantitative microwave hot air coupling drying oven Download PDFInfo
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- CN212299743U CN212299743U CN202020093663.3U CN202020093663U CN212299743U CN 212299743 U CN212299743 U CN 212299743U CN 202020093663 U CN202020093663 U CN 202020093663U CN 212299743 U CN212299743 U CN 212299743U
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Abstract
The utility model discloses a hot-blast coupling drying cabinet of ration formula microwave, it includes ration microwave cavity (1), install 2450MHz non-contact microwave on ration microwave cavity (1) and restrain door (2), air intake (3) and the air outlet that link to each other with ration microwave cavity (1), hot-blast cold wind auto-change over device of ration (4) that links to each other with air intake (3). The utility model has reasonable structure design, strong applicability for different products, no mutual interference between the products to be dried and high yield; the air inlet mode can be automatically switched according to the process, the air quantity and the air pressure are controllable, and the air inlet is diversified; by adopting the non-contact microwave suppression door, the microwave leakage suppression effect is good, and the capability of suppressing microwave leakage can be greatly improved; the non-contact type furnace door has high automation degree; no part abrasion exists in the operation process of the furnace door; the service life is long.
Description
Technical Field
The utility model relates to a microwave drying system equips technical field, particularly is a quantitative formula microwave hot air coupling drying cabinet that is used for honeycomb pottery, all kinds of engineering membrane drying and porous living beings material microwave drying.
Background
The research of the conventional oven type microwave heating application in China starts from the beginning of the world, the 2450MHz microwave oven type heating application mainly only uses microwaves as an independent heat source, and a hot air and microwave coupling mode is not adopted to heat honeycomb ceramics, various engineering film drying products, porous biomass materials and other products at present, and a quantitative microwave hot air coupling drying box for performing branch heating on different products is not provided.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at overcoming the not enough of prior art, provide a rational in infrastructure design's quantitative formula microwave hot air coupling drying cabinet. The utility model discloses can carry out ration microwave and the hot-blast control of ration to the product of different waitresses heating, traditional drying cabinet relatively, the utility model discloses can automatic switch-over air inlet wind speed and temperature, degree of automation is high, and the ventilation mode is diversified, the range of application is wide.
The technical scheme is as follows: in order to realize the above purpose, the utility model discloses the technical scheme who takes does:
a quantitative microwave hot air coupling drying oven comprises a quantitative microwave resonant cavity, a 2450MHz non-contact microwave suppression door arranged on the quantitative microwave resonant cavity, an air inlet and an air outlet connected with the quantitative microwave resonant cavity, and a quantitative hot air and cold air switching device connected with the air inlet;
the microwave frequency in the quantitative microwave resonant cavity is 2450MHz, a microwave excitation cavity is distributed at the top or the side surface of the quantitative microwave resonant cavity, and a high-molecular wave-transparent material clamp for clamping a product is arranged in the quantitative microwave resonant cavity;
the 2450MHz non-contact microwave suppression door comprises a suppression main door, a double-layer suppression sheet, a suppression hole plate, a polymer glass plate, a shielding sealing strip and a driving device;
the driving device is connected with the suppression main furnace door through a driving plate; the inner side of the main furnace door is provided with a groove, and the hole suppression plate is fixed in the groove surface on the inner side of the main furnace door through a hexagon socket head cap screw; the periphery of the hole inhibiting plate is connected with the main furnace door by adopting a shielding sealing strip, and the hole inhibiting plate is flush with the inner side surface of the main furnace door; the double-layer restraining sheets are fixed around the restraining hole plate through the hexagon socket head cap screws; the polymer glass plate is arranged on the outer side of the main furnace door through a furnace door outer covering plate;
the quantitative hot air and cold air switching device comprises an electric heating cavity, an electric heating pipe and a hot air pipeline which are arranged in the electric heating cavity, the hot air pipeline is connected with an electromagnetic valve, and the electromagnetic valve is connected with a cold air pipeline;
the air inlet is provided with a high-temperature on-off valve.
Preferably, in the above novel non-contact type suppression door structure of 2450MHz microwave equipment, the driving device is driven by the air cylinder, and the air quantity regulating valve is installed in the driving device to regulate the air quantity of the oven door, so that the suppression main oven door can move up and down.
Preferably, the novel non-contact type suppressing door structure of the 2450MHz microwave equipment is provided with a buffer and a limit switch in the process of suppressing the up-and-down movement of the main furnace door.
As a preferred scheme, the size and the hole interval of the novel non-contact type suppression door structure of the 2450MHz microwave equipment are both 3mm, and the holes are arranged in a staggered mode.
As a preferred scheme, the quantitative microwave hot air coupling drying box is characterized in that the high-molecular wave-transparent material clamp comprises a resonant cavity air inlet and a resonant cavity air outlet.
As a preferred scheme, the quantitative microwave hot air coupling drying box has the advantages that the number of the air inlets is more than 1, and the corresponding number can be designed according to the actual product to be dried.
As a preferred scheme, in the quantitative microwave hot air coupling drying oven, a quantitative microwave resonant cavity lighting device is installed on a quantitative microwave resonant cavity.
The types of the hot air and the cold air of the quantitative hot air and cold air switching device can be nitrogen, argon and other protective gases besides air, and can be changed according to product processes. The hot air and cold air switching is realized, the air quantity and the air pressure are controllable, and the inlet air of the equipment enters the air inlet device through the quantitative hot air and cold air switching device after passing through the air source processing piece. The number of the inlets is determined by the number of the products to be dried, and the independent air inlet of the products to be dried in the quantitative microwave resonant cavity is controllable, so that the products are not influenced mutually in the drying process.
The air outlet is similar to an air inlet structure, the air outlet path and the quantity of the air outlet device are determined by the quantity of products in the resonant cavity, the air outlet device is used for exhausting moisture in the resonant cavity in addition to dry gas in the products, and the air speed and the air temperature in the air outlet device are monitored and fed back to the air inlet device to form a whole equipment closed-loop control system.
Has the advantages that: compared with the prior art, it is shown that the effect lies in:
1. aiming at the problems of strong product applicability, no mutual interference among products and high yield;
2. the air inlet mode is automatically switched according to the process, the air quantity and the air pressure are controllable, and the air inlet is diversified;
3. the device is controlled by a closed-loop system, so that the interference is small;
4. the equipment drying application range is wide, and the automation degree is high;
5. by adopting the non-contact microwave suppression door, the microwave leakage suppression effect is good, and the capability of suppressing microwave leakage can be greatly improved; the non-contact type furnace door is in a form and has high automation degree; no part abrasion is caused in the running process of the furnace door; the service life is long.
Drawings
FIG. 1 is a schematic structural diagram of a quantitative microwave hot air coupling drying oven;
FIG. 2 is a schematic structural view of an assembly of a quantitative microwave resonator and a non-contact suppression gate;
FIG. 3 is a schematic view of a non-contact suppression door;
FIG. 4 is a schematic view of a non-contact suppression door;
fig. 5 is a schematic view of a quantitative hot-air and cold-air switching device and an air inlet.
Detailed Description
The present invention will be further clarified by the following description with reference to the attached drawings and specific examples, which should be understood as being merely illustrative of the present invention and not limiting the scope of the present invention, and modifications of various equivalent forms of the present invention by those skilled in the art after reading the present invention, all fall within the scope defined by the appended claims of the present application.
Example 1
As shown in fig. 1 to 4, a quantitative microwave hot air coupling drying oven comprises a quantitative microwave resonant cavity 1, a 2450MHz non-contact microwave suppression door 2 installed on the quantitative microwave resonant cavity 1, an air inlet 3 and an air outlet connected with the quantitative microwave resonant cavity 1, and a quantitative hot air and cold air switching device 4 connected with the air inlet 3;
the microwave frequency in the quantitative microwave resonant cavity 1 is 2450MHz, a microwave excitation cavity 5 is distributed at the top or the side of the quantitative microwave resonant cavity 1, and a high polymer wave-transparent material clamp for clamping a product is arranged in the quantitative microwave resonant cavity 1; the air inlet of the resonant cavity of the high-molecular wave-transparent material clamp and the air outlet of the resonant cavity.
The 2450MHz non-contact microwave suppression door 2 comprises a suppression main door 2-1, a double-layer suppression sheet 2-2, a suppression hole plate 2-3, a polymer glass plate 2-6, a shielding sealing strip 2-5 and a driving device 2-4;
the driving device 2-4 is connected with the suppression main furnace door 2-1 through a driving plate 2-4-1;
the inner side of the main suppression furnace door 2-1 is provided with a groove, and the hole suppression plate 2-3 is fixed in the groove surface on the inner side of the main suppression furnace door 2-1 through a pan head hexagon socket head screw; the periphery of the hole suppression plate 2-3 is connected with the main furnace door by adopting a shielding sealing strip 2-5, and the hole suppression plate 2-3 is flush with the inner side surface of the main furnace door 2-1; the double-layer suppression sheets 2-2 are fixed around the suppression hole plate 2-3 through the disc head hexagon socket head cap screws; the polymer glass plate 2-6 is arranged on the outer side of the main furnace door 2-1 through a furnace door outer covering plate;
the driving device 2-4 is driven by a cylinder, an air volume adjusting valve is arranged in the driving device 2-4 to adjust the air volume of the furnace door, and a buffer and a limit switch are arranged in the process of inhibiting the main furnace door 2-1 from moving up and down, so that the main furnace door 2-1 can be inhibited from moving up and down stably; the hole sizes and the hole intervals of the hole restraining plates 2-3 are all 3mm, and the holes are arranged in a staggered mode.
The quantitative hot-air and cold-air switching device 4 comprises an electric heating cavity 4-1, an electric heating pipe and a hot-air pipeline which are arranged in the electric heating cavity 4-1, the hot-air pipeline is connected with an electromagnetic valve 4-2, and the electromagnetic valve 4-2 is connected with a cold-air pipeline 4-3;
the air inlet 3 is provided with a high-temperature on-off valve 3-1; the number of the air inlets 3 is more than 1.
The quantitative microwave resonant cavity 1 is provided with a quantitative microwave resonant cavity lighting device 6.
The utility model provides a ration microwave cavity 1 is the main cavity room of material effect, and microwave carries out the feed-in of microwave energy from ration microwave cavity's top or lateral part, and gaseous processing piece is handled at the air supply back and is gone into quantitative hot air cooling wind auto-change over device 4, carries out the hot-blast switching of cold wind along with the technological requirement, and the wind after the switching gets into air intake 3 to get into the dry product of treating of ration microwave cavity 1, the wind after the dry product is crossed is outside the air outlet control discharge cavity room. The non-contact microwave suppression door 2 moves up and down in front of the quantitative microwave resonant cavity 1, and microwave leakage of the whole quantitative microwave resonant cavity 1 is guaranteed to meet the national standard. The utility model discloses a propose quantitative formula microwave hot air coupling drying cabinet structure for the first time, the microwave drying cabinet of traditional form relatively, automatic switch-over air inlet wind speed and temperature, degree of automation is high, and the ventilation mode is diversified, the range of application is wider.
The utility model discloses can treat the product of heating to the difference and carry out quantitative microwave and quantitative hot air control, carry out microwave and hot-blast heating drying together, and can automatic switch-over air inlet wind speed and temperature, degree of automation is high, and the ventilation mode is diversified, but the product is sent out to the dry different grade type, and the range of application is wide.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A quantitative microwave hot air coupling drying oven is characterized by comprising a quantitative microwave resonant cavity (1), a 2450MHz non-contact microwave suppression door (2) arranged on the quantitative microwave resonant cavity (1), an air inlet (3) and an air outlet which are connected with the quantitative microwave resonant cavity (1), and a quantitative hot air and cold air switching device (4) connected with the air inlet (3);
the microwave frequency in the quantitative microwave resonant cavity (1) is 2450MHz, a microwave excitation cavity (5) is distributed at the top or the side surface of the quantitative microwave resonant cavity (1), and a high polymer wave-transparent material clamp for clamping a product is arranged in the quantitative microwave resonant cavity (1);
the 2450MHz non-contact microwave suppression door (2) comprises a suppression main door (2-1), a double-layer suppression sheet (2-2), a suppression hole plate (2-3), a polymer glass plate (2-6), a shielding sealing strip (2-5) and a driving device (2-4);
the driving device (2-4) is connected with the suppression main furnace door (2-1) through a driving plate (2-4-1);
the inner side of the main suppression furnace door (2-1) is provided with a groove, and the hole suppression plate (2-3) is fixed in the groove surface of the inner side of the main suppression furnace door (2-1) through a hexagon socket head cap screw; the periphery of the hole suppression plate (2-3) is connected with the main suppression furnace door (2-1) by a shielding sealing strip (2-5), and the hole suppression plate (2-3) is flush with the inner side surface of the main suppression furnace door (2-1); the double-layer restraining sheets (2-2) are fixed around the restraining hole plate (2-3) through hexagon socket head screws; the polymer glass plate (2-6) is arranged on the outer side of the inhibition main furnace door (2-1) through a furnace door outer covering plate;
the quantitative hot air and cold air switching device (4) comprises an electric heating cavity (4-1), an electric heating pipe and a hot air pipeline which are arranged in the electric heating cavity (4-1), the hot air pipeline is connected with an electromagnetic valve (4-2), and the electromagnetic valve (4-2) is connected with a cold air pipeline (4-3);
the air inlet (3) is provided with a high-temperature on-off valve (3-1).
2. The quantitative microwave hot air coupling drying oven according to claim 1, wherein the driving device (2-4) is driven by a cylinder, and a gas amount regulating valve is installed in the driving device (2-4) to regulate the gas amount of the oven door, so that the main oven door (2-1) can be restrained from moving up and down.
3. The quantitative microwave hot air coupling drying oven according to claim 1, characterized in that the main oven door (2-1) is equipped with a buffer and a limit switch during the up-and-down movement.
4. The quantitative microwave hot air coupling drying oven according to claim 1, wherein the hole sizes and hole intervals of the hole suppression plates (2-3) are 3mm, and the holes are arranged in a staggered manner.
5. The quantitative microwave hot air coupling drying oven as claimed in claim 1,
the high molecular wave-transparent material clamp is provided with a resonant cavity air inlet and a resonant cavity air outlet.
6. The quantitative microwave hot air coupling drying oven according to claim 1, wherein the number of the air inlets (3) is more than 1.
7. The quantitative microwave hot air coupling drying oven according to claim 1, wherein a quantitative microwave resonant cavity lighting device (6) is installed on the quantitative microwave resonant cavity (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020093663.3U CN212299743U (en) | 2020-01-16 | 2020-01-16 | Quantitative microwave hot air coupling drying oven |
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| CN202020093663.3U CN212299743U (en) | 2020-01-16 | 2020-01-16 | Quantitative microwave hot air coupling drying oven |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111141120A (en) * | 2020-01-16 | 2020-05-12 | 南京三乐微波技术发展有限公司 | Quantitative microwave hot air coupling drying oven |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111141120A (en) * | 2020-01-16 | 2020-05-12 | 南京三乐微波技术发展有限公司 | Quantitative microwave hot air coupling drying oven |
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