CN213811706U - Microwave oven device of high-efficient heating - Google Patents
Microwave oven device of high-efficient heating Download PDFInfo
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- CN213811706U CN213811706U CN202022095682.2U CN202022095682U CN213811706U CN 213811706 U CN213811706 U CN 213811706U CN 202022095682 U CN202022095682 U CN 202022095682U CN 213811706 U CN213811706 U CN 213811706U
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Abstract
The utility model discloses a microwave oven kiln device of high-efficient heating, it includes inside kiln body structure (1), outside metal casing (2), heat preservation thermal-insulated structure (3), microwave are presented can transmission system (4), online power monitoring device (5), microwave energy generator (6), malleation exhaust system (7), pressure monitoring system (8), stove environment temperature measurement system (9). The utility model discloses a high-power microwave energy of microwave energy generator output presents energy transmission system through the microwave, acts on the material in the stove, realizes the direct heating to the material, and this stove device heating efficiency is high, thermal insulation performance is good, can be quick heat the material to 1000 ℃, and this stove can satisfy 1100 ℃ high temperature thermal treatment requirement, and device configuration temperature monitoring system, pressure monitoring system, online power monitoring system can guarantee the security of equipment operation. The whole device has reasonable structural design, convenient operation, high automation degree and high heating efficiency.
Description
Technical Field
The utility model belongs to the technical field of the microwave oven kiln, concretely relates to microwave oven kiln device of high-efficient heating for the industrialization of microwave oven kiln heating material is used.
Background
Most of traditional furnace and kiln heating devices adopt electric heating tubes for heating, the heating speed is low, the time is long, the heating efficiency is low, and the microwave technology has the advantages of high heating speed, direct material heating, low energy consumption, high heating efficiency and the like, so that the microwave heating technology and the kiln building technology are combined, the temperature of the material can be rapidly increased to 1000 ℃, and the heating efficiency is higher.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at overcoming the not enough of prior art, provide a structural design is reasonable, realizes the high-efficient heating of microwave, shortens the heat time, and the energy consumption is low, improve throughput, the strong microwave oven kiln device of feature of environmental protection. The utility model discloses an applicable high temperature heat treatment in multiple material, but device degree of automation is high, the thermal efficiency is high, thermal insulation performance is good, wide application in microwave high temperature heating field.
The technical scheme is as follows: in order to realize the above purpose, the utility model discloses the technical scheme who takes does:
a high-efficiency heating microwave oven kiln device comprises an internal kiln body structure, an external metal shell, a heat preservation and insulation structure clamped between the internal kiln body and the external metal shell, a microwave energy feedback transmission system communicated with the internal kiln body and the external metal shell, an online power monitoring device connected with the microwave energy feedback transmission system, a microwave energy generator connected with the online power monitoring device, a positive pressure exhaust system communicated with the internal kiln body structure, a pressure monitoring system and an oven kiln environment temperature measuring system.
As a preferred scheme, the internal kiln body structure of the microwave oven kiln device for high-efficiency heating comprises a kiln bottom, kiln walls on two sides and a kiln top; the kiln wall is provided with a circular exhaust hole communicated with the positive pressure exhaust system. The kiln bottom is formed by splicing corundum bricks by adopting ceramic beams and alumina bricks as a kiln bottom supporting structure; the kiln walls on the two sides are built by corundum bricks; the kiln top adopts a structure that a ceramic tube is used as a bottom cross beam, corundum bricks are built on the top, and all gaps of the whole internal kiln body structure are subjected to oxygen isolation sealing treatment by adopting high-temperature rubber powder.
As a preferred scheme, in the above high-efficiency heating microwave oven kiln device, the external metal shell is a rectangular all-metal shell made of 304 materials, and the top of the shell is provided with two microwave energy feedback systems; one side of the metal shell (2) is provided with two positive pressure exhaust pipelines with the diameter of 150mm, and the exhaust pipelines are connected with a positive pressure exhaust system to facilitate the timely exhaust of gas; the front and the back of the shell are respectively provided with a furnace door, and a heat insulation material is arranged between the furnace door and the internal kiln body structure so as to reduce the loss of heat;
as a preferred scheme, the heat insulation structure of the high-efficiency heating microwave oven kiln device sequentially comprises a ceramic fiber heat insulation cotton material, a ceramic fiber heat insulation plate material and a heat insulation aerogel material which are tightly spliced, and the three materials are tightly spliced between the inner kiln body structure and the outer metal shell;
as a preferred scheme, the microwave energy-feeding transmission system of the high-efficiency heating microwave oven kiln device comprises a three-port circulator, an E-surface 90-degree arc waveguide, a straight waveguide, an H-surface 90-degree arc waveguide, a three-screw blending waveguide combination, a BJ-9 power distributor and an expansion energy-feeding waveguide combination which are sequentially connected; a dielectric waveguide is arranged between the BJ-9 power divider and the expansion energy-feeding waveguide combination; mica plate materials are arranged between flanges at two sides of the dielectric waveguide; wherein the three-port circulator is connected with the microwave energy generator, and the expansion energy-feeding waveguide combination is connected with the external metal shell.
As a preferred scheme, the on-line power monitoring device of the microwave oven kiln device for efficient heating comprises the power detection module and the bi-directional coupler, the capability of absorbing microwaves of materials in the heating process can be displayed in real time, and then the microwave heating efficiency is improved by adjusting the microwave power.
Preferably, in the above-mentioned high-efficiency heating microwave kiln device, the microwave energy generator outputs a maximum microwave energy power of 75kW and a microwave frequency of 915 MHz.
Preferably, the efficient heating microwave oven kiln device comprises a positive pressure exhaust system connected with the internal kiln body structure, wherein the positive pressure exhaust system comprises an exhaust pipeline arranged on the external metal shell, a temperature thermocouple arranged on the exhaust pipeline, and an oxygen isolation device arranged at an outlet of the exhaust pipeline.
As a preferred scheme, the diameter of the circular exhaust hole communicated with the positive pressure exhaust system of the microwave oven kiln device with high-efficiency heating is 150mm, the circular exhaust hole is arranged 25mm above the material, so that generated gas can be exhausted from the exhaust hole in time, and the heating efficiency of the microwave oven kiln device can be improved.
As a preferable scheme, the efficient heating microwave oven kiln device is provided with the pressure monitoring system communicated with the internal kiln body structure, and the pressure monitoring system displays the pressure change condition in the oven kiln in real time and protects the safety of the oven kiln during working.
As a preferred scheme, the kiln environment temperature measurement system communicated with the internal kiln body structure of the efficiently-heated microwave kiln device adopts multipoint temperature measurement, and the uniformity of the temperature field of the microwave kiln device is tested by testing the environment temperatures of different positions of the kiln;
as a preferred scheme, the high-efficiency heating microwave kiln device adopts the non-contact infrared optical sensor as the kiln environment temperature measuring system, the temperature measuring range is 0-1300 ℃, and the ceramic probe rods of the temperature measuring system have different lengths, so that the environment temperature at different positions in the kiln can be tested.
Beneficial effect, compare with prior art, its apparent advantage lies in:
1. the utility model provides a high-efficient heating microwave kiln device adopts high-power microwave heating technique and stove to build by laying bricks or stones the technique and combines together, can greatly improve traditional stove rate of heating slow, long time, inefficiency scheduling problem.
2. The utility model provides a high-efficient heating microwave oven kiln device, structural design is reasonable, convenient operation, and degree of automation is high, and microwave generator output can reach 75kW at most, and output efficiency is high, and is energy-concerving and environment-protective.
3. The utility model provides a high-efficient heating microwave oven kiln device, operating temperature can reach 1100 ℃ at most, can satisfy the microwave treatment demand of multiple material.
4. The utility model provides a high-efficient heating microwave oven kiln device separates inside oxygen is sealed effectual, can effectual isolated oxygen gets into the stove, has guaranteed the security of microwave oven kiln device's work.
5. The utility model provides a high-efficient heating microwave oven kiln device, on the basis that satisfies the thermal insulation performance requirement, reduce the use amount of stove material as far as possible, not only saved the cost that the stove was built by laying bricks or stones, can improve microwave heating's efficiency simultaneously.
6. The utility model provides a high-efficient heating microwave oven kiln device's heat preservation and insulation structure adopts light heat preservation and insulation material, and it is thermal-insulated respond well to keep warm, reducible microwave heating's heat loss.
7. The utility model provides a temperature measurement system of high-efficient heating microwave oven kiln device adopts multiple spot temperature measurement mode, can effectively obtain the ambient temperature of different stove positions.
8. The utility model provides an online power monitoring devices of high-efficient heating microwave oven kiln device can show the material in real time and absorb the ability of microwave in heating process, and then through adjusting microwave power to improve microwave heating's efficiency.
Drawings
Fig. 1 is a schematic structural view of a high-efficiency heating microwave oven kiln device provided by the utility model.
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
Referring to fig. 1, a high-efficiency heating microwave oven kiln device comprises an internal kiln body structure 1, an external metal shell 2, a heat preservation and insulation structure 3 clamped between the internal kiln body 1 and the external metal shell 2, a microwave energy feedback transmission system 4 communicated with the internal kiln body 1 and the external metal shell 2, an online power monitoring device 5 connected with the microwave energy feedback transmission system 4, a microwave energy generator 6 connected with the online power monitoring device 5, a positive pressure exhaust system 7 communicated with the internal kiln body structure 1, a pressure monitoring system 8 and an oven environment temperature measurement system 9.
In the microwave oven kiln device for high-efficiency heating, the internal kiln body structure 1 comprises a kiln bottom, kiln walls on two sides and a kiln top; and the kiln wall is provided with a circular exhaust hole communicated with the positive pressure exhaust system 7. The kiln bottom is formed by splicing corundum bricks by using ceramic beams and alumina bricks as a kiln bottom supporting structure; the kiln walls on the two sides are made of corundum bricks by splicing; the kiln top adopts the ceramic tube as the bottom crossbeam, and the corundum brick's structure is built by laying bricks or stones to the top, and all gaps of whole inside kiln body structure 1 all adopt high temperature rubber powder to separate oxygen and seal the processing, can effectual isolated oxygen get into the furnace kiln in, ensured the safe and reliable of furnace kiln during operation.
In the microwave oven device for high-efficiency heating, the external metal shell 2 is a rectangular all-metal shell made of 310S, and the top of the shell is provided with two microwave energy feedback systems 4; one side of the metal shell 2 is provided with two exhaust pipelines with the diameter of 150mm, and the exhaust pipelines are connected with a positive pressure exhaust system 7 so as to facilitate the timely discharge of gas; the front and the back of the metal shell 2 are respectively provided with a furnace door, and a heat insulation material is arranged between the furnace door and the internal kiln body structure 1 so as to reduce the loss of heat.
In the microwave oven device for high-efficiency heating, the heat insulation structure 3 comprises a ceramic fiber heat insulation cotton material, a ceramic fiber heat insulation plate material and a heat insulation aerogel material which are closely spliced in sequence; the three materials are tightly spliced between the internal kiln body structure 1 and the external metal shell 2, and the surface temperature of the external metal shell can be lower than 60 ℃ after heat insulation.
In the microwave oven device for high-efficiency heating, the microwave energy-feeding transmission system 4 comprises a three-port circulator, an E-surface 90-degree arc waveguide, a straight waveguide, an H-surface 90-degree arc waveguide, a three-screw allocation waveguide combination, a BJ-9 power distributor and an expansion energy-feeding waveguide combination which are sequentially connected; a dielectric waveguide is arranged between the BJ-9 power divider and the expansion energy-feeding waveguide combination; mica plate materials are arranged between flanges at two sides of the dielectric waveguide; wherein the three-port circulator is connected with the microwave energy generator 6, and the extension energy-feeding waveguide combination is connected with the external metal shell 2, thereby ensuring the effective transmission of the microwave energy and reducing the loss of the microwave energy in the transmission system as much as possible.
The microwave oven kiln device with efficient heating has the advantages that the online power monitoring device 5 can display the microwave absorbing capacity of the material in the heating process in real time, and then the microwave power is adjusted, so that the microwave oven kiln device not only can comprise a microwave energy feedback system, but also can improve the microwave heating efficiency.
In the microwave kiln device for high-efficiency heating, the maximum microwave energy power output by the microwave energy generator 6 is 75kW, and the microwave frequency is 915 MHz.
The microwave kiln device with high-efficiency heating comprises a positive pressure exhaust system 7, a temperature measuring thermocouple and an oxygen separation device, wherein the positive pressure exhaust system comprises an exhaust pipeline, the temperature measuring thermocouple is arranged on the exhaust pipeline, and the oxygen separation device is arranged at the outlet of the exhaust pipeline.
Above the microwave oven kiln device of high-efficient heating, the communicating circular exhaust hole diameter with malleation exhaust system 7 is 150mm, sets up in material top 25mm department, and the gas of being convenient for to produce is in time discharged from the exhaust hole, can avoid too much flue gas to produce discharge phenomenon in the stove to influence the efficiency of microwave energy heating.
The pressure monitoring system 8 communicated with the internal kiln body structure 1 of the microwave kiln device for high-efficiency heating can display the pressure change condition in the kiln in real time, and the safety of the kiln during working is protected.
The high-efficiency heating microwave oven device adopts the kiln environment temperature measuring system 9 communicated with the internal kiln body structure 1 to measure the temperature at multiple points, and the temperature field uniformity of the microwave oven device is tested by testing the environment temperatures of different positions of the kiln. The furnace environment temperature measuring system 9 adopts a non-contact infrared optical sensor, the temperature measuring range is 0-1300 ℃, the ceramic probe rods of the temperature measuring system 9 have different lengths, and the environment temperature of different positions in the furnace can be tested.
The utility model provides a pair of microwave oven device of high-efficient heating, this stove is rational in infrastructure, adopts the weak stove material of microwave absorbing capacity and heat preservation, thermal insulation material, improves the absorbing capacity of coking coal to the microwave. The microwave directly penetrates through the material to heat the coking coal, so that the rapid temperature rise of the coking coal is realized, the heating time is greatly shortened, and the efficiency of heating the coking coal by the microwave is improved.
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 (11)
1. The utility model provides a microwave oven kiln device of high-efficient heating, its characterized in that, it includes inside kiln body structure (1), outside metal casing (2), press from both sides heat preservation heat-proof structure (3) of establishing between inside kiln body structure (1) and outside metal casing (2), microwave that is linked together with inside kiln body structure (1) and outside metal casing (2) is presented can transmission system (4), on-line power monitoring devices (5) that link to each other with microwave is presented can transmission system (4), microwave energy generator (6) that link to each other with on-line power monitoring devices (5), malleation exhaust system (7) that are linked together with inside kiln body structure (1), pressure monitoring system (8) and stove environment temperature measurement system (9).
2. An efficient heating microwave kiln unit according to claim 1, characterized in that the inner kiln body structure (1) comprises a kiln bottom, two kiln walls and a kiln top; the kiln wall is provided with a circular exhaust hole communicated with the positive pressure exhaust system (7).
3. A high efficiency heating microwave kiln unit according to claim 1, characterized in that the outer metal shell (2) is a rectangular metal shell, and two microwave energy feeding transmission systems (4) are arranged on the top of the shell; one side of the metal shell (2) is provided with a positive pressure exhaust pipeline with the diameter of 150mm and connected with a positive pressure exhaust system (7); the front and the back of the shell (2) are respectively provided with a furnace door, and a heat insulation material is arranged between the furnace door and the internal kiln body structure (1).
4. A high efficiency heating microwave oven kiln unit according to claim 1, characterized in that the heat insulating structure (3) comprises closely spliced ceramic fiber heat insulating cotton material, ceramic fiber heat insulating board material and heat insulating aerogel material.
5. The high-efficiency heating microwave oven kiln device according to the claim 1, characterized in that the microwave energy-feeding transmission system (4) comprises a three-port circulator, an E-plane 90 ° arc waveguide, a straight waveguide, an H-plane 90 ° arc waveguide, a three-screw adjusting waveguide combination, a BJ-9 power divider and an extended energy-feeding waveguide combination which are connected in sequence; a dielectric waveguide is arranged between the BJ-9 power divider and the expansion energy-feeding waveguide combination; mica plate materials are arranged between flanges at two sides of the dielectric waveguide; wherein the three-port circulator is connected with the microwave energy generator (6), and the extension energy-feeding waveguide combination is connected with the external metal shell (2).
6. The high-efficiency heating microwave oven kiln device according to claim 1, characterized in that the on-line power monitoring device (5) displays the microwave absorbing capacity of the material in the heating process in real time, and further improves the microwave heating efficiency by adjusting the microwave power.
7. A high efficiency heating microwave kiln unit according to claim 1, characterized in that the microwave energy generator (6) outputs microwave energy of 75kW with a microwave frequency of 915 MHz.
8. The high-efficiency heating microwave oven kiln device according to claim 1, wherein the positive pressure exhaust system (7) comprises an exhaust duct, a temperature thermocouple attached to the exhaust duct, and an oxygen barrier attached to an outlet of the exhaust duct.
9. A high efficiency heating microwave kiln unit according to claim 2, characterized in that the circular vent hole communicating with the positive pressure exhaust system (7) has a diameter of 150mm and is placed 25mm above the material.
10. The high-efficiency heating microwave oven kiln device according to claim 1, characterized in that the kiln environment temperature measuring system (9) communicating with the internal kiln body structure (1) adopts multi-point temperature measurement to test the temperature field uniformity of the microwave oven kiln device by testing the ambient temperature of different positions of the kiln.
11. The high-efficiency heating microwave oven kiln device according to claim 10, characterized in that the kiln environment temperature measuring system (9) adopts a non-contact infrared optical sensor, the measuring range is 0-1300 ℃, the ceramic probe rod of the temperature measuring system (9) has different lengths, and the environment temperature at different positions in the kiln can be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022095682.2U CN213811706U (en) | 2020-09-22 | 2020-09-22 | Microwave oven device of high-efficient heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022095682.2U CN213811706U (en) | 2020-09-22 | 2020-09-22 | Microwave oven device of high-efficient heating |
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| CN213811706U true CN213811706U (en) | 2021-07-27 |
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| CN202022095682.2U Expired - Fee Related CN213811706U (en) | 2020-09-22 | 2020-09-22 | Microwave oven device of high-efficient heating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097521A (en) * | 2020-09-22 | 2020-12-18 | 南京三乐微波技术发展有限公司 | A high-efficiency heating microwave oven device |
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- 2020-09-22 CN CN202022095682.2U patent/CN213811706U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097521A (en) * | 2020-09-22 | 2020-12-18 | 南京三乐微波技术发展有限公司 | A high-efficiency heating microwave oven device |
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Granted publication date: 20210727 |