CN217487428U - Hot air rotary furnace adopting electromagnetic induction heating - Google Patents
Hot air rotary furnace adopting electromagnetic induction heating Download PDFInfo
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- CN217487428U CN217487428U CN202123049248.1U CN202123049248U CN217487428U CN 217487428 U CN217487428 U CN 217487428U CN 202123049248 U CN202123049248 U CN 202123049248U CN 217487428 U CN217487428 U CN 217487428U
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Abstract
A hot air rotary furnace adopting electromagnetic induction heating relates to the technical field of hot air drying equipment. The utility model provides a current hot-blast rotary furnace adopt resistance wire, electrothermal tube to generate heat, have electric energy utilization rate low, and resistance wire, electrothermal tube receive the vulnerable problem of service environment restriction. The utility model discloses an inside hot air circulation wind channel that forms all around through setting up the baffle of furnace body, hot air circulation motor output passes the furnace body roof and extends to the inside in hot air circulation wind channel, and hot air circulation motor output bottom is equipped with evenly distributed's fan wheel, fan wheel is located inside the hot air circulation wind channel, and front left side hot-air outlet and front right side hot-air outlet have been seted up respectively at both ends about the hot air circulation wind channel front side, and furnace back wall processing has the board installation breach that generates heat, board installation breach seal installation that generates heat has the electromagnetism board that generates heat, and the electromagnetism generates heat the end of board and stretches to the hot air circulation wind channel that generates heat. The utility model is used for promote hot-blast rotary furnace's electric energy utilization and stability in use.
Description
Technical Field
The utility model relates to a hot air drying equipment technical field, concretely relates to adopt electromagnetic induction heating's hot-blast rotary furnace.
Background
The electric hot air rotary furnace in the existing market mostly adopts an electric heating tube and a resistance wire as heating sources, the electric heating tube or the resistance wire is arranged in an air duct, and a circulating fan is used for enabling air inside a hearth of the rotary furnace to circularly flow through the air duct for heat exchange. The heat exchange structure has the following disadvantages: the heat exchange efficiency of the electric heating tube is limited by the power and the surface area of the electric heating tube, the heat exchange efficiency is not high enough, and the surface temperature of the electric heating tube is ultrahigh for a long time, so that the service life is influenced; secondly, the electric heating tube is exposed in the air for a long time, and the service life of the electric heating tube can be influenced by water vapor and the like generated when the food is baked in the rotary furnace; thirdly, the heat exchange efficiency of the heating wire is higher than that of the electric heating tube, but the heating wire is directly exposed in the air, and the service life of the heating wire is also influenced by water vapor and the like generated when the rotary furnace bakes food, and is shorter than that of the electric heating tube. And once the heating wire is damaged, the maintenance is difficult, and the whole group of heating wires needs to be replaced, so that the maintenance cost is high.
In conclusion, the existing hot air rotary furnace adopts the resistance wire and the electric heating tube to generate heat, so that the problems that the utilization rate of electric energy is low, and the resistance wire and the electric heating tube are limited by the use environment and are easy to damage exist.
Disclosure of Invention
The utility model relates to a solve current hot-blast rotary furnace and adopt resistance wire, electrothermal tube to generate heat, have electric energy utilization rate low, and resistance wire, electrothermal tube receive the vulnerable problem of service environment restriction, and then provide an adopt electromagnetic induction heating's hot-blast rotary furnace.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
the utility model provides an adopt electromagnetic induction heating's hot-blast rotary furnace, hot-blast rotary furnace include the furnace body and with furnace body antetheca swing joint's furnace gate, its characterized in that: the hot air rotary furnace further comprises a furnace chamber, a hot air circulation air channel, a hot air circulation motor and an electromagnetic heating plate, wherein the periphery of the inside of the furnace body forms the hot air circulation air channel by arranging partition plates, the hot air circulation motor is arranged in a motor mounting groove on the right side of the upper end of the furnace body, the output end of the hot air circulation motor penetrates through the top wall of the furnace body and extends into the hot air circulation air channel, the bottom of the output end of the hot air circulation motor is provided with uniformly distributed fan blades which are positioned inside the hot air circulation air channel, the left and right ends of the front side of the hot air circulation air channel are respectively provided with a front left side hot air outlet and a front right side hot air outlet, the rear wall of the furnace chamber is provided with a heating plate mounting notch, the heating plate mounting notch is hermetically provided with the electromagnetic heating plate, the heating end of the electromagnetic heating plate extends to the hot air circulation air channel, and the electromagnetic heating plate comprises an electromagnetic coil, a wiring plate and a heating plate, an electromagnetic coil, a wiring plate, a heating plate, a cooling fan, a cooling, The wiring board and the heating plate are sequentially arranged on the rear end face of the rear wall of the furnace body from outside to inside, the front end face of the heating plate is exposed in the hot air circulation air duct, a heat exchange area is formed in the hot air circulation air duct between the heating plate and the hearth, and a return air inlet is formed between the left side wall of the hearth and the hot air circulation air duct.
Furthermore, the electromagnetic heating plate further comprises a heat insulation layer, the heat insulation layer is arranged between the wiring board and the heating plate, and two end faces of the heat insulation layer are respectively attached to the wiring board and the heating plate.
Further, the electromagnetic heating plate further comprises a plurality of radiating fins, the front end face of the heating plate is evenly provided with the plurality of radiating fins, and the radiating fins extend into the hot air circulation air duct.
Furthermore, hot-blast rotary furnace still includes furnace steam vent, furnace steam vent sets up in furnace upper portion left side, installs the check valve on the furnace steam vent.
Furthermore, the hot air rotary furnace also comprises a steam groove, the steam groove is arranged on the rear end surface of the rear wall of the hearth, and the opening of the steam groove faces the heating plate.
Furthermore, the hot air rotary furnace also comprises a plurality of cooling fans, the cooling fans are arranged between the rear wall of the furnace body and the rear wall of the hearth, the cooling fans are arranged on the inner side end face of the rear wall of the furnace body in a rectangular array mode, and the cooling fans are arranged towards the electromagnetic heating plate.
Further, the electromagnetic coil is a copper coil.
Compared with the prior art, the utility model has the following effect:
the utility model discloses use electromagnetic induction heating to replace original resistance wire in the hot-blast rotary furnace and generate heat, promoted electric energy utilization ratio effectively. The utility model discloses arrange solenoid on the wiring board, increase the supplementary heat dissipation of radiating fin simultaneously on the board that generates heat, when strengthening calorific capacity, still promoted heat exchange efficiency. And the heat-insulating layer is additionally arranged between the electromagnetic coil and the heating plate for heat insulation, so that the occurrence of heat loss is effectively avoided.
Drawings
FIG. 1 is a front view of a hot air rotary furnace heated by electromagnetic induction according to the present invention;
FIG. 2 is a side view of a hot air rotary furnace of the present invention using electromagnetic induction heating;
FIG. 3 is a top view of the present invention showing a hot air rotary furnace heated by electromagnetic induction;
fig. 4 is a schematic view of the assembly of the electromagnetic coil 61 of the present invention with the wiring board 62;
fig. 5 is a schematic structural view of the heating plate 63 of the present invention;
fig. 6 is a side view of the electromagnetic heating panel 6 of the present invention;
fig. 7 is a partial enlarged view of fig. 6 at a.
Detailed Description
The first specific implementation way is as follows: the present embodiment is described with reference to fig. 1 to 7, and a rotary hot air furnace using electromagnetic induction heating of the present embodiment includes a furnace body 1 and a furnace door 2 movably connected to a front wall of the furnace body 1, and is characterized in that: the hot air rotary furnace further comprises a furnace chamber 3, a hot air circulation air channel 4, a hot air circulation motor 5 and an electromagnetic heating plate 6, the hot air circulation air channel 4 is formed by arranging partition plates around the inside of the furnace body 1, the hot air circulation motor 5 is arranged in a motor mounting groove on the right side of the upper end of the furnace body 1, the output end of the hot air circulation motor 5 penetrates through the top wall of the furnace body 1 and extends into the hot air circulation air channel 4, uniformly distributed fan blades are arranged at the bottom of the output end of the hot air circulation motor 5 and are positioned inside the hot air circulation air channel 4, a front left hot air outlet 41 and a front right hot air outlet 42 are respectively arranged at the left end and the right end of the front side of the hot air circulation air channel 4, a heating plate mounting notch is machined in the rear wall of the furnace chamber 3, the electromagnetic heating plate 6 is hermetically mounted in the heating plate mounting notch, the heating end of the electromagnetic heating plate 6 extends to the hot air circulation air channel 4, and the electromagnetic heating plate 6 comprises an electromagnetic coil 61, The heating furnace comprises a wiring board 62 and a heating plate 63, wherein the electromagnetic coil 61, the wiring board 62 and the heating plate 63 are sequentially arranged on the rear end face of the rear wall of the furnace body 1 from outside to inside, the front end face of the heating plate 63 is exposed in the hot air circulation air duct 4, a heat exchange area 11 is formed in the hot air circulation air duct 4 between the heating plate 63 and the furnace 3, and an air return opening 10 is formed between the left side wall of the furnace 3 and the hot air circulation air duct 4.
The second embodiment is as follows: the present embodiment is described with reference to fig. 6 and 7, and the electromagnetic heating plate 6 of the present embodiment further includes a heat insulating layer 64, the heat insulating layer 64 being provided between the wiring board 62 and the heating plate 63, and both end surfaces of the heat insulating layer 64 being bonded to the wiring board 62 and the heating plate 63, respectively. With this arrangement, the purpose of adding the insulating layer 64 between the wiring board 62 mounted with the electromagnetic coil 61 and the heat generating plate 63 is to achieve thermal insulation and reduce heat loss. Other components and connections are the same as in the first embodiment.
The insulating layer 64 of the present embodiment is fixedly connected to the wiring board 62 and the heat generating board 63 by means of adhesive bonding.
The third concrete implementation mode: the electromagnetic heating plate 6 of the present embodiment further includes a plurality of heat dissipation fins 65, the heat dissipation fins 65 are uniformly disposed on the front end surface of the heating plate 63, and the heat dissipation fins 65 extend into the hot air circulation duct 4. In this way, the purpose of adding the heat dissipation fins 65 to the heat generating plate 63 is to assist heat dissipation and improve heat exchange efficiency. Other compositions and connections are the same as in the first or second embodiments.
The fourth concrete implementation mode is as follows: the embodiment is described with reference to fig. 3, the hot air rotary furnace of the embodiment further includes a hearth steam exhaust port 7, the hearth steam exhaust port 7 is arranged on the left side of the upper portion of the hearth 3, and a check valve is mounted on the hearth steam exhaust port 7. So set up, can effectively drain away the steam etc. that food toasted in-process and produce, and the steam extraction opening can adjust the steam extraction size as required. Other compositions and connection relationships are the same as in the first, second or third embodiment.
The fifth concrete implementation mode: the present embodiment is described with reference to fig. 3, and the hot wind rotary furnace of the present embodiment further includes a steam groove 8, the steam groove 8 is provided on a rear end surface of the rear wall of the furnace chamber 3, and the steam groove 8 opens toward the heating plate 63. So set up, can be according to food baking process needs, spray water on the steam groove, produce a large amount of steam in the twinkling of an eye. Other compositions and connection relationships are the same as those in the first, second, third, or fourth embodiment.
The sixth specific implementation mode: the present embodiment is described with reference to fig. 2 and fig. 3, the hot air rotary furnace of the present embodiment further includes a plurality of cooling fans 9, the cooling fans 9 are disposed between the rear wall of the furnace body 1 and the rear wall of the furnace chamber 3, the cooling fans 9 are disposed on the inner side end surface of the rear wall of the furnace body 1 in a rectangular array, and the cooling fans 9 are disposed toward the electromagnetic heating plate 6. So set up, set up a plurality of radiator fan 9's purpose on the preceding terminal surface of furnace body 1 back wall is in order to realize the heat dissipation to electromagnetic heating plate 6, improves electromagnetic heating plate 6's life. Other compositions and connection relationships are the same as in the first, second, third, fourth or fifth embodiment.
The seventh embodiment: the present embodiment will be described with reference to fig. 4, 6, and 7, and the electromagnetic coil 61 of the present embodiment is a copper coil. Other compositions and connection relationships are the same as in the first, second, third, fourth, fifth or sixth embodiment.
Principle of operation
The working principle of the hot air rotary furnace heated by electromagnetic induction of the present invention is described with reference to fig. 1 to 7: the heated air circulation motor 5 is started, so that heated air is circulated, under the action of an air impeller arranged at the output end of the heated air circulation motor 5, heat is collected from the electromagnetic heating plate 6, and the heated air is blown out from the front left side hot air outlet 41 and the front right side hot air outlet 42 at the left side and the right side of the furnace door 2 through the heated air circulation air duct 4, so that the furnace chamber 3 is heated. The cooled air returns to the electromagnetic heating plate 6 through the air return opening 10, and the reciprocating circulation heating is carried out.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides an adopt electromagnetic induction heating's hot-blast rotary furnace, hot-blast rotary furnace include furnace body (1) and furnace gate (2) with furnace body (1) antetheca swing joint, its characterized in that: the hot air rotary furnace also comprises a hearth (3), a hot air circulation air channel (4), a hot air circulation motor (5) and an electromagnetic heating plate (6), wherein the hot air circulation air channel (4) is formed by arranging partition plates around the inside of the furnace body (1), the hot air circulation motor (5) is arranged in a motor mounting groove on the right side of the upper end of the furnace body (1), the output end of the hot air circulation motor (5) penetrates through the top wall of the furnace body (1) and extends to the inside of the hot air circulation air channel (4), wind impellers which are uniformly distributed are arranged at the bottom of the output end of the hot air circulation motor (5) and are positioned in the hot air circulation air channel (4), a front left hot air outlet (41) and a front right hot air outlet (42) are respectively arranged at the left end and the right end of the front side of the hot air circulation air channel (4), a heating plate mounting notch is machined in the rear wall of the hearth (3), and the heating plate mounting notch is hermetically provided with the electromagnetic heating plate (6), and the heating end of the electromagnetic heating plate (6) extends to the hot air circulation air duct (4), the electromagnetic heating plate (6) comprises an electromagnetic coil (61), a wiring board (62) and a heating plate (63), the electromagnetic coil (61), the wiring board (62) and the heating plate (63) are sequentially installed on the rear end face of the rear wall of the furnace body (1) from outside to inside, the front end face of the heating plate (63) is exposed in the hot air circulation air duct (4), a heat exchange area (11) is formed in the hot air circulation air duct (4) between the heating plate (63) and the hearth (3), and a return air inlet (10) is formed between the left side wall of the hearth (3) and the hot air circulation air duct (4).
2. The hot air rotary furnace heated by electromagnetic induction according to claim 1, characterized in that: the electromagnetic heating plate (6) further comprises a heat insulation layer (64), the heat insulation layer (64) is arranged between the wiring board (62) and the heating plate (63), and two end faces of the heat insulation layer (64) are respectively attached to the wiring board (62) and the heating plate (63).
3. The hot air rotary furnace heated by electromagnetic induction according to claim 2, characterized in that: the electromagnetic heating plate (6) further comprises a plurality of radiating fins (65), the front end face of the heating plate (63) is evenly provided with the plurality of radiating fins (65), and the radiating fins (65) extend to the interior of the hot air circulation air duct (4).
4. The hot air rotary furnace heated by electromagnetic induction according to claim 3, characterized in that: the hot air rotary furnace further comprises a hearth steam exhaust port (7), the hearth steam exhaust port (7) is arranged on the left side of the upper portion of the hearth (3), and a one-way valve is installed on the hearth steam exhaust port (7).
5. The hot air rotary furnace heated by electromagnetic induction according to claim 4, wherein: the hot air rotary furnace also comprises a steam groove (8), the steam groove (8) is arranged on the rear end surface of the rear wall of the hearth (3), and the opening of the steam groove (8) faces the heating plate (63).
6. The hot air rotary furnace heated by electromagnetic induction according to claim 5, characterized in that: the hot air rotary furnace further comprises a plurality of cooling fans (9), the cooling fans (9) are arranged between the rear wall of the furnace body (1) and the rear wall of the hearth (3), the cooling fans (9) are arranged on the inner side end face of the rear wall of the furnace body (1) in a rectangular array mode, and the cooling fans (9) are arranged towards the electromagnetic heating plate (6).
7. The hot air rotary furnace heated by electromagnetic induction according to claim 1, characterized in that: the electromagnetic coil (61) is a copper coil.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123049248.1U CN217487428U (en) | 2021-12-06 | 2021-12-06 | Hot air rotary furnace adopting electromagnetic induction heating |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123049248.1U CN217487428U (en) | 2021-12-06 | 2021-12-06 | Hot air rotary furnace adopting electromagnetic induction heating |
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CN217487428U true CN217487428U (en) | 2022-09-27 |
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CN202123049248.1U Active CN217487428U (en) | 2021-12-06 | 2021-12-06 | Hot air rotary furnace adopting electromagnetic induction heating |
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CN (1) | CN217487428U (en) |
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2021
- 2021-12-06 CN CN202123049248.1U patent/CN217487428U/en active Active
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