Microwave hot blast stove

Abstract

The utility model provides a microwave hot blast stove which comprises an outer shell, an inner box body is installed in the outer shell, the inner box body comprises an inner box body, an air distribution hole plate is installed at the top of the inner box body, a partition plate is installed behind the inner box body, a microwave assembly is installed at the top of the inner box body, and the microwave assembly is installed in the inner box body. A hot air assembly is installed on the back of the inner box body. The microwave hot-blast stove is simple in structure and reasonable in design, can achieve three heating modes of microwave assembly heating, hot air assembly heating and microwave and hot air mixed heating in actual work, can achieve effective fusion of resistance heating and microwave heating in the hot-blast stove, and improves heat efficiency and air distribution uniformity.

Description

TECHNICAL FIELD

[0001] The utility model relates to food processing equipment technical field, concretely relates to a microwave hot blast furnace. BACKGROUND

[0002] The hot blast furnace is a kind of equipment that food is housed in airtight space, and food is heated and cooked.The existing hot blast furnace generally adopts resistance heating mode, that is, heating element is powered to warm up first, the heat generated by heating element is partly conducted to air, and another part is radiated to gas container wall, then a part is conducted to gas container wall through air, and then is conducted to gas through gas container wall, and another radiated part is directly conducted to gas through gas container wall, and the heat conducted through air reaches gas after twice heat conduction.Therefore, the heat loss of this heating mode is large, the warming speed is slow, and power consumption is large.Microwave heating has the advantages of fast heating speed and energy saving, but the hot blast furnace needs to heat gas without affecting the nature of gas, and indirect heating mode needs to be adopted, that is, microwave heating is carried out on the substance easy to absorb microwave first, and then gas passing through the hot blast furnace is heated through heat conduction.However, how to realize the effective integration of resistance heating and microwave heating in the hot blast furnace, and improve the thermal efficiency and the uniformity of air distribution is a problem to be solved in the field. SUMMARY

[0003] In view of the deficiency of prior art, the utility model provides a microwave hot blast furnace, which can realize the effective integration of resistance heating and microwave heating in the hot blast furnace, and improve the thermal efficiency and the uniformity of air distribution.

[0004] In order to realize the above technical scheme, the utility model provides a kind of microwave hot blast furnace, comprising: shell body, the inner box body is installed in the shell body, the inner box body includes inner box body body, the top of the inner box body body is equipped with air distribution hole plate, the rear of the inner box body body is equipped with baffle, the top of the inner box body is equipped with microwave assembly, the back of the inner box body is equipped with hot blast assembly, the microwave assembly includes the mounting plate being arranged in the top of inner box body, microwave heat sink is installed on the mounting plate, the lower portion of microwave heat sink is equipped with stirring chamber, microwave generator is installed in microwave heat sink and is communicated with stirring chamber, microwave stirring device is installed in the stirring chamber, the top of the inner box body is communicated with the stirring chamber by flow guide cover, air distribution hole plate is installed below flow guide cover, power contactor and frequency converter are respectively installed on the left and right sides of microwave generator on the mounting plate, and the power contactor and frequency converter are electrically connected with microwave generator;The hot blast assembly includes the rear sealing plate being arranged in the rear of inner box body, fan is installed on rear sealing plate, and the fan blade of fan front end is located in the cavity formed by rear sealing plate, inner box body and baffle installed in inner box body, electric heating tube is annularly installed on the outside of fan blade, the upper portion of baffle is equipped with uniform air distribution hole plate being communicated with the inner cavity of inner box body body, and air distribution hole plate is installed below the front side of uniform air distribution hole plate.

[0005] In the above technical scheme, in actual work, the microwave hot blast furnace can realize three heating modes, i.e., microwave assembly heating, hot blast assembly heating and microwave and hot blast mixed heating.When microwave assembly heating mode is selected, hot blast assembly is closed, microwave generator is controlled by power contactor and frequency converter to rapidly heat air, then the microwave stirring device is used to stir the air in the stirring chamber, and then the flow guide cover is used to guide the rapidly heated air into the heating cavity of the inner box body, and the air heated by microwave is uniformly distributed by the uniform air distribution hole plate before entering the heating cavity of the inner box body.When hot blast assembly heating mode is selected, microwave assembly is closed, and the electric heating tube in the hot blast assembly heats the air, and then the fan sends the heated air into the heating cavity of the inner box body through the uniform air distribution hole plate.When microwave and hot blast mixed heating is selected, microwave assembly and hot blast assembly work simultaneously, the fan first introduces the heated air into the top of the heating cavity of the inner box body, then the air heated by microwave and the air heated by the fan are mixed at the top of the heating cavity of the inner box body, and then the air is uniformly distributed by the air distribution hole plate and enters the heating cavity of the inner box body from top to bottom.Thus, the effective integration of resistance heating and microwave heating in the hot blast furnace can be realized, and the thermal efficiency and air distribution uniformity can be improved.

[0006] Preferably, the microwave stirring device comprises a motor mounting bracket installed in the stirring chamber, a stirring motor mounted on the motor mounting bracket, a first transmission gear mounted on the output shaft of the stirring motor, a second transmission gear mounted on one side of the first transmission gear, a stirring shaft vertically downwardly mounted on the second transmission gear, stirring blades mounted on the bottom of the stirring shaft, and a guide plate mounted below the stirring blades at the inlet of the flow guide cover.

[0007] Preferably, the outer shell comprises a frame body, a cover mounted on the frame body, a bottom plate mounted on the bottom of the cover, a bottom bracket mounted on the bottom plate, an inner box body mounted on the bottom bracket, side brackets connecting the left and right side surfaces of the cover and the inner box body, a back plate mounted on the back surface of the cover, a chimney mounted on the back plate, a smoke exhaust pipe connecting the chimney and the heating inner cavity of the inner box, and a heat dissipation grille provided at the position where the microwave heat dissipation groove of the microwave assembly is connected to the back plate. In actual work, the smoke generated by heating can be discharged outward through the chimney via the smoke exhaust pipe.

[0008] Preferably, a box door assembly is mounted on the front surface of the outer shell, the box door assembly comprising a box door body and a handle, the box door body being mounted on the front surface of the outer shell, and the handle being mounted on the box door body. In actual use, the box door body can be opened and closed through the handle.

[0009] Preferably, a control panel is mounted on the front surface of the outer shell, the control panel comprising a touch display screen and a power on-off button, the touch display screen being mounted on the top of the front surface of the outer shell, and the power on-off button being mounted on one side of the touch display screen. In actual work, the overall on-off of the equipment can be controlled through the power on-off button, and the working parameters can be adjusted and controlled through the touch display screen.

[0010] Preferably, a heat dissipation assembly is mounted below the inner box body on the bottom plate of the outer shell, the heat dissipation assembly comprising a heat dissipation fan mounting bracket and a heat dissipation fan, wherein the heat dissipation fan mounting bracket is fixed on the bottom plate, the heat dissipation fan is mounted on the heat dissipation fan mounting bracket and below the inner box body, and heat dissipation holes are provided on the bottom plate opposite to the heat dissipation fan. In actual work, the heat dissipation fan can be used to dissipate heat outwardly from the inner box.

[0011] Preferably, a control system device is installed in the back cavity of the outer shell and the inner box, and the automatic control of the microwave hot air furnace can be realized through the control system device.

[0012] The microwave hot blast stove has the advantages that the microwave hot blast stove is simple in structure and reasonable in design, can realize three heating modes of microwave assembly heating, hot blast assembly heating and microwave and hot blast mixed heating, can realize effective fusion of resistance heating and microwave heating in the hot blast stove, and can improve heat efficiency and uniformity of air distribution. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic diagram of the utility model.

[0014] Figure 2 It is a three-dimensional structure schematic diagram of the utility model. Figure I .

[0015] Figure 3 It is a three-dimensional structure schematic diagram of the utility model. Figure II .

[0016] Figure 4 It is a three-dimensional structure schematic diagram of the utility model.

[0017] Figure 5 It is a rear view of the assembly structure of the inner box, microwave assembly, hot blast assembly and heat dissipation assembly in the utility model.

[0018] Figure 6 It is an assembly schematic diagram of the microwave assembly, hot blast assembly and heat dissipation assembly in the utility model.

[0019] Figure 7 It is a front view of the assembly structure of the inner box, microwave assembly, hot blast assembly and heat dissipation assembly in the utility model.

[0020] Figure 8 It is a side view of the assembly structure of the inner box, microwave assembly, hot blast assembly and heat dissipation assembly in the utility model.

[0021] Figure 9 It is a three-dimensional structure schematic diagram of the microwave assembly in the utility model.

[0022] Figure 10 It is a three-dimensional structure schematic diagram of the microwave assembly in the utility model.

[0023] In the figure: 1, the outer shell; 11, the frame; 12, the cover; 13, the back plate; 14, the bottom plate; 15, the bottom support; 16, the side support; 17, the chimney; 18, the heat dissipation grid; 19, the exhaust pipe; 2, the door assembly; 21, the door body; 22, the handle; 3, the control panel; 31, the touch display screen; 32, the power on-off button; 4, the inner box; 41, the inner box body; 42, the air distribution hole plate; 43, the partition plate; 5, the microwave assembly; 51, the mounting plate; 52, the microwave heat dissipation groove; 53, the microwave generator; 54, the microwave stirring device; 541, the motor mounting support; 542, the stirring motor; 543, the first transmission gear; 544, the second transmission gear; 545, the stirring shaft; 546, the stirring blade; 547, the flow guide plate; 55, the power contactor; 56, the frequency converter; 57, the stirring chamber; 58, the flow guide cover; 6, the hot air assembly; 61, the rear cover plate; 62, the fan; 63, the electric heating tube; 64, the air distribution hole plate; 7, the heat dissipation assembly; 71, the heat dissipation fan mounting support; 72, the heat dissipation fan; 8, the control system device. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0025] Embodiment: A microwave hot air furnace.

[0026] Referring to Figures 1 to 10 The microwave hot air furnace comprises:

[0027] The outer shell 1 comprises a frame 11, the frame 11 is provided with a cover 12, the bottom of the cover 12 is provided with a bottom plate 14, the bottom plate 14 is provided with a bottom support 15, an inner box body 41 is mounted on the bottom support 15, the inner box body 41 is connected with the left and right side surfaces of the cover 12 through a side support 16, the back surface of the cover 12 is provided with a back plate 13, the back plate 13 is provided with a chimney 17, the chimney 17 is connected with a heating inner cavity of the inner box body 41 through an exhaust pipe 19, and the back plate 13 is provided with a heat dissipation grid 18 at the butt joint position of the microwave heat dissipation groove 52 of the microwave assembly 5. In actual work, the smoke generated by heating can be discharged outward through the chimney 17 via the exhaust pipe 19.

[0028] The front side of the outer shell 1 is provided with a box door assembly 2, which comprises a box door body 21 and a handle 22. The box door body 21 is installed on the front side of the outer shell 1, and the handle 22 is installed on the box door body 21. In actual use, the box door body 21 can be opened and closed through the handle 22. The front side of the outer shell 1 is provided with a control panel 3, which comprises a touch display screen 31 and a power on-off button 32. The touch display screen 31 is installed on the top of the front side of the outer shell 1, and the power on-off button 32 is installed on one side of the touch display screen 31. In actual work, the overall on-off of the equipment can be controlled through the power on-off button 32, and the working parameters can be adjusted through the touch display screen 31.

[0029] The bottom plate 14 of the outer shell 1 is provided with a heat dissipation assembly 7 below the inner box body 41. The heat dissipation assembly 7 comprises a heat dissipation fan mounting bracket 71 and a heat dissipation fan 72. The heat dissipation fan mounting bracket 71 is fixed on the bottom plate 14, and the heat dissipation fan 72 is installed on the heat dissipation fan mounting bracket 71 below the inner box body 41. The bottom plate 14 is provided with a heat dissipation hole opposite to the heat dissipation fan 72. In actual work, the heat dissipation fan 72 can realize the outward heat dissipation of the inner box 4. The control system device 8 is installed in the back cavity of the outer shell 1 and the inner box 4. The automatic control of the microwave hot air furnace can be realized through the control system device 8.

[0030] The inner box 4 is installed in the outer shell 1. The inner box 4 comprises an inner box body 41, which is provided with a wind distribution hole plate 42 on the top and a partition plate 43 at the back. The surface of the wind distribution hole plate 42 is uniformly provided with wind distribution holes, so that the heated air flows from top to bottom, increasing the uniformity of the flow.

[0031] The top of the inner box 4 is provided with a microwave assembly 5, and the back of the inner box is provided with a hot air assembly 6. The microwave assembly 5 comprises a mounting plate 51 arranged on the top of the inner box 4, a microwave heat dissipation groove 52 mounted on the mounting plate 51, a stirring chamber 57 mounted below the microwave heat dissipation groove 52, a microwave generator 53 mounted in the microwave heat dissipation groove 52 and communicated with the stirring chamber 57, a microwave stirring device 54 mounted in the stirring chamber 57, and a flow guide cover 58 communicated between the stirring chamber 57 and the top of the inner box 4. A wind distribution hole plate 42 is mounted below the flow guide cover 58. A power contactor 55 and a frequency converter 56 are respectively mounted on the left and right sides of the microwave generator 53 on the mounting plate 51 and electrically connected with the microwave generator 53. In actual work, the microwave generator 53 can be controlled by the power contactor 55 and the frequency converter 56 to quickly heat air, and then the microwave stirring device 54 is used to stir the quickly heated air in the stirring chamber 57 uniformly, and then the flow guide cover 58 is used to guide the quickly heated air into the heating cavity of the inner box 4, and the air heated by the microwave is uniformly distributed by the wind distribution hole plate 42 before entering the heating cavity of the inner box 4.

[0032] The microwave stirring device 54 comprises a motor mounting bracket 541 mounted in the stirring chamber 57, a stirring motor 542 mounted on the motor mounting bracket 541, a first transmission gear 543 mounted on the output shaft of the stirring motor 542, a second transmission gear 544 mounted on one side of the first transmission gear 543 and engaged with the first transmission gear 543, a stirring shaft 545 vertically arranged downward on the second transmission gear 544, and stirring blades 546 mounted on the bottom of the stirring shaft 545. A flow guide plate 547 is mounted below the stirring blades 546 at the inlet of the flow guide cover 58. In actual work, the stirring motor 542 drives the first transmission gear 543 to rotate, and then drives the second transmission gear 544 to rotate, and then drives the stirring shaft 545 to rotate, and then drives the stirring blades 546 to rotate in the stirring chamber 57, so that the air heated by the microwave in the stirring chamber 57 is uniformly distributed downward through the flow guide plate 547.

[0033] The hot air assembly 6 comprises a rear sealing plate 61 arranged at the back of the inner box 4, a fan 62 mounted on the rear sealing plate 61, and the fan blades at the front end of the fan 62 located in a cavity formed by the rear sealing plate 61, the inner box 4, and a partition plate 43 mounted in the inner box 4. An electric heating pipe 63 is annularly mounted on the outer side of the fan blades of the fan 62. An air uniformizing hole plate 64 is arranged above the partition plate 43 and communicated with the inner cavity of the inner box body 41. The wind distribution hole plate 42 is mounted below the front side of the air uniformizing hole plate 64. In actual work, the electric heating pipe 63 heats air, and the fan 62 sends the heated air into the heating cavity of the inner box 4 through the air uniformizing hole plate 64.

[0034] The microwave hot blast stove has simple structure and reasonable design, and can realize three heating modes, i.e. microwave assembly 5 heating, hot blast assembly 6 heating and microwave and hot blast mixed heating. When the microwave assembly 5 heating mode is selected, the hot blast assembly 6 is closed, the microwave generator 53 is controlled by the power contactor 55 and the frequency converter 56 to quickly heat air, then the microwave stirring device 54 is used to stir the air in the stirring chamber 57, then the flow guide cover 58 is used to guide the quickly heated air into the heating cavity of the inner box body 4, and the air heated by the microwave is uniformly distributed through the air distribution hole plate 42 before entering the heating cavity of the inner box body 4. When the hot blast assembly 6 heating mode is selected, the microwave assembly 5 is closed, the electric heating pipe 63 in the hot blast assembly 6 heats air, and the fan 62 is used to send the heated air into the heating cavity of the inner box body 4 through the air uniform distribution hole plate 64. When the microwave and hot blast mixed heating mode is selected, the microwave assembly 5 and the hot blast assembly 6 work simultaneously, the fan 62 is used to first introduce the heated air into the top of the heating cavity of the inner box body 4, then the air is mixed with the air heated by the microwave at the top of the heating cavity of the inner box body 4, and then the air is uniformly distributed from top to bottom through the air distribution hole plate 42 and enters the heating cavity of the inner box body 4. Therefore, the effective combination of resistance heating and microwave heating in the hot blast stove can be realized, and the heat efficiency and the air distribution uniformity can be improved.

[0035] The above is the preferred embodiment of the present application, but the present application should not be limited to the content disclosed in the embodiment and the drawings, so any equivalent or modification completed without departing from the spirit of the present application falls within the protection scope of the present application.

Claims

1. A microwave hot air oven characterized by The utility model provides a microwave oven, which comprises an outer casing, an inner casing installed in the outer casing, an inner casing body, a wind distribution hole plate installed on the top of the inner casing body, a partition plate installed at the back of the inner casing body, a microwave assembly installed on the top of the inner casing, a hot air assembly installed at the back of the inner casing, a mounting plate arranged on the top of the inner casing body, a microwave heat dissipation groove installed on the mounting plate, a stirring chamber installed below the microwave heat dissipation groove, a microwave generator installed in the microwave heat dissipation groove and communicated with the stirring chamber, a microwave stirring device installed in the stirring chamber, a flow guide cover communicated between the stirring chamber and the top of the inner casing body, the wind distribution hole plate installed below the flow guide cover, a power contactor and a frequency converter respectively installed on the left and right sides of the microwave generator on the mounting plate, and the power contactor and the frequency converter respectively electrically connected with the microwave generator. The microwave stirring device comprises a motor mounting bracket installed in the stirring chamber, a stirring motor installed on the motor mounting bracket, a first transmission gear installed on the output shaft of the stirring motor, a second transmission gear meshed with the first transmission gear installed on one side of the first transmission gear, a stirring shaft vertically arranged downward on the second transmission gear, and stirring blades installed on the bottom of the stirring shaft.

2. The microwave hot air furnace as claimed in claim 1, wherein: The outer casing comprises a frame, an outer cover installed on the frame, a bottom plate installed on the bottom of the outer cover, a bottom bracket installed on the bottom plate, the inner casing body installed on the bottom bracket, the inner casing body connected with the left and right side surfaces of the outer cover through side brackets, a back plate installed on the back of the outer cover, a chimney installed on the back plate, the chimney connected with the heating inner cavity of the inner casing through a smoke exhaust pipe, and a heat dissipation grille arranged at the docking position of the microwave heat dissipation groove of the microwave assembly on the back plate.

3. The microwave hot air furnace as claimed in claim 1, wherein: A box door assembly is installed on the front side of the outer casing, which comprises a box door body and a handle.

4. The microwave hot air furnace as claimed in claim 1, wherein: A control panel is installed on the front side of the outer casing, which comprises a touch display screen and a power on-off button.

5. The microwave hot air furnace as claimed in claim 1, wherein: A heat dissipation assembly is installed on the bottom plate below the inner casing body, which comprises a heat dissipation fan mounting bracket and a heat dissipation fan, wherein the heat dissipation fan mounting bracket is fixed on the bottom plate, the heat dissipation fan is installed on the heat dissipation fan mounting bracket and below the inner casing body, and a heat dissipation hole is arranged opposite to the heat dissipation fan on the bottom plate.

6. The microwave hot air furnace as claimed in claim 3, wherein: ​ 7. The microwave hot air furnace of claim 1, wherein: The control system device is installed in the back cavity of the inner box body and the outer box body.

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