Multifunctional oven capable of using various fuels

Abstract

The invention relates to the technical field of cooking, in particular to a multifunctional oven capable of using various fuels, which comprises a seat frame, a main body, a charcoal tray part, a particle combustion module, a thermocouple, a baking net, an oven cover and a controller, the main body is mounted on the upper side of the seat frame, and the main body comprises a shell fixedly connected with the seat frame; a guide plate which is obliquely arranged is fixedly connected into a cavity in the left side of the shell, an oven body is fixedly connected to the upper side of an opening in the right side of the shell, the charcoal tray part is installed on the inner side of the oven body and comprises a tray shell, and a charcoal plate is fixedly connected to the inner side of the tray shell. Through the main body, the charcoal tray part, the combustion particle module and other structures, the multifunctional oven can use various fuels, the dual functions of a particle oven and a charcoal grilling apple oven are considered, flexible and convenient use experience is provided for a user, the tedious step of manually igniting charcoal is omitted by optimizing the ignition operation of the charcoal, and the use experience of the user is improved. And the use convenience is improved.

Description

Technical Field

[0001] The invention relates to the technical field of cooking, in particular to a multifunctional oven capable of using multiple types of fuels. Background Art

[0002] An oven is a kitchen appliance that uses heat energy to heat food until it is cooked or baked to a specific taste. As a traditional cooking tool, it is mainly used to heat and cook food using the heat generated by fuels such as charcoal, coal or granular charcoal.

[0003] Barbecue ovens are usually divided into pellet stoves and charcoal-grilled apple stoves. The pellet charcoal used in pellet stoves has the advantages of high combustion efficiency and environmental protection and cleanliness. The food grilled in the charcoal-grilled apple stove uses charcoal and has a unique charcoal-grilled flavor. On the market, there are either ordinary pellet stoves or ordinary charcoal-grilled apple stoves, which are difficult for users to use. On the other hand, conventional charcoal stoves require manual ignition of charcoal and then placing the ignited charcoal into the oven, which is cumbersome to operate. Therefore, based on the above problems, a multifunctional barbecue oven that can use a variety of fuels is proposed. Summary of the invention

[0004] The purpose of the present invention is to provide a multifunctional oven that can use a variety of fuels to solve the problem that the existing ovens usually use a single fuel and cannot take into account the dual functions of a pellet oven and a charcoal grilled apple oven at the same time, and the conventional charcoal oven requires manual ignition of charcoal and then placing the ignited charcoal into the oven, resulting in cumbersome operation.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A multifunctional barbecue oven that can use various types of fuels, including a frame, a main body, a charcoal disc, a pellet combustion module, a thermocouple, a grill, a stove cover and a controller, wherein the main body is installed on the upper side of the frame, the main body includes a shell fixedly connected to the frame, a guide plate arranged obliquely is fixedly connected to the left cavity of the shell, a stove body is fixedly connected to the upper side of the right opening of the shell, the charcoal disc is installed on the inner side of the stove body, the charcoal disc includes a disc shell, a charcoal plate is fixedly connected to the inner side of the disc shell, a support seat supported on the bottom of the stove body is fixedly connected to the inner side of the lower circular opening of the disc shell, a group of four flame mouths are opened on the outer curved surface of the support seat, and the pellets are fixedly connected to the stove body. The particle combustion module is installed on the inner side of the shell, and the particle combustion module includes a conveying part, and the conveying part includes a feed shell fixed on the lower side of the guide plate, and the lower side of the feed shell is connected with a conveying pipe, and the inner side of the left end of the conveying pipe is fixedly connected with a shaft sleeve, and a motor is arranged on the left side of the shaft sleeve, and the output shaft end of the motor is fixedly connected with a rotating shaft rotatably connected to the shaft sleeve, and the outer side of the right end of the rotating shaft is fixedly connected with a spiral conveying member located on the inner side of the conveying pipe, and the right side of the conveying pipe is connected with a particle combustion chamber fixed on the lower side of the furnace body, and an igniter connected with the particle combustion chamber is installed on the lower side of the conveying pipe, and a controller is installed on the front side of the shell.

[0007] Preferably, a grilling grid is installed on the upper side of the charcoal plate portion on the inner side of the furnace body, a group of four supports arranged at equal angles are arranged on the inner side of the furnace body, the grilling grid is arranged on the upper side of the supports of the furnace body, and a furnace cover is installed on the upper side of the furnace body.

[0008] Preferably, a sieve plate is fixedly connected in the left cavity of the shell, and the sieve plate is arranged on the upper side of the guide plate. A charcoal adding cover located on the upper side of the sieve plate is installed on the upper side of the left cavity shell of the shell, a pulley is installed on the right leg of the seat frame, and a handle is provided on the left side of the shell.

[0009] Preferably, the motor, igniter and controller are electrically connected, the particle combustion chamber is connected to the furnace body, the particle combustion chamber is connected to the support seat, and the flame mouth is located on the inner side of the disk shell.

[0010] Preferably, a group of four oil outlets located on the lower side of the carbon plate are opened on the outer curved surface of the disk shell, the lower side of the furnace body is connected to an oil guide pipe inserted into the shell body, an opening position is provided on the right side of the shell body, a support shell located on the lower side of the oil guide pipe is fixedly connected to the opening position on the right side of the shell body, an oil box located on the lower side of the oil guide pipe is placed on the support shell, and a distance is provided between the oil outlet and the inner wall of the shell body.

[0011] Preferably, an air guide shell is fixedly connected to the lower side of the conveying pipe and the particle combustion chamber, a fan is fixedly connected to the lower side opening of the air guide shell, a support for fixing the motor is fixedly connected to the left side of the air guide shell, a positioning piece whose lower end is fixedly connected to the inner rib of the shell is fixedly connected to the left side of the support, a plurality of air inlet holes are opened on the curved surface of the particle combustion chamber, a ventilation part is installed at the lower side opening of the shell, the ventilation part includes a first air inlet plate, a second air inlet plate, a middle shell and a magnetic strip, the first air inlet plate is arranged in the lower left opening of the shell, the second air inlet plate is arranged in the lower middle opening of the shell, the front and rear sides of the lower end faces of the first air inlet plate and the second air inlet plate are fixedly connected to the middle shell, the inner side of the middle shell is fixedly connected to the magnetic strip adsorbed to the lower end face of the shell, and a thermocouple is installed at the hole seat of the furnace body.

[0012] Preferably, the air guide shell is wrapped around the lower half of the conveying pipe, the right end of the air guide shell is wrapped around the right outer part of the particle combustion chamber, the air inlet hole is arranged on the inner side of the air guide shell, the fan, thermocouple and controller are electrically connected, the first air inlet plate and the second air inlet plate are both provided with sieve holes, and the lower plate surface of the shell is arranged as an iron plate.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. In the present invention, by providing structures such as a main body, a charcoal tray, and a burning particle module, the main body can carry the charcoal tray and the burning particle module, the conveying part of the burning particle module can convey the granular charcoal into the granular combustion chamber, and ignite the granular charcoal through an igniter, so that the grill can use the granular stove mode to cook food, and the charcoal tray can carry the charcoal. When the charcoal grilling mode is needed, the charcoal can be ignited by igniting the granular charcoal, which optimizes the charcoal ignition operation, and realizes that the multi-functional grill can use a variety of fuels to take into account the dual functions of the granular stove and the charcoal grilled apple stove, providing users with a flexible and convenient use experience, and by optimizing the charcoal ignition operation, the cumbersome steps of manually igniting charcoal are omitted, the convenience of use is improved, and the existing grills usually use a single fuel and cannot take into account the dual functions of the granular stove and the charcoal grilled apple stove at the same time, and the conventional charcoal stove needs to manually ignite the charcoal and then put the ignited charcoal into the grill, resulting in a cumbersome operation.

[0015] 2. In the present invention, by setting up thermocouples, particle combustion modules, fans and other structures, after the user selects the charcoal grilling mode and starts the fan, the fan starts to supply air, and the thermocouple built into the furnace body will collect the temperature information in the furnace in real time, and adjust the wind speed according to the set temperature value, that is, the oxygen supply, so as to achieve precise control of the furnace temperature. Different gears correspond to different wind speeds to adapt to different cooking needs, so that the multifunctional oven can perform intelligent temperature control according to the user's cooking needs, avoiding poor cooking effects and loss of food nutrients due to temperature problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 For the present invention Figure 1 A schematic cross-sectional structure diagram of;

[0018] Figure 3 For the present invention Figure 1 Schematic diagram of the expanded structure;

[0019] Figure 4 It is a schematic cross-sectional structure diagram of the main body of the present invention;

[0020] Figure 5 It is a structural schematic diagram of the ventilation part of the present invention;

[0021] Figure 6 It is a structural schematic diagram of the carbon disc portion of the present invention;

[0022] Figure 7 For the present invention Figure 6 A partial cross-sectional structural schematic diagram;

[0023] Figure 8 It is a schematic cross-sectional structure diagram of a particle combustion module of the present invention;

[0024] Fig. 9 For the present invention Figure 8 Detailed annotation structure diagram of .

[0025] In the figure: 1, seat frame; 2, main body; 21, shell; 22, guide plate; 23, sieve plate; 24, charcoal cover; 25, furnace body; 26, oil guide pipe; 27, support shell; 28, oil box; 29, ventilation part; 291, first air inlet plate; 292, second air inlet plate; 293, middle shell; 294, magnetic strip; 3, charcoal plate; 31, plate shell; 32, charcoal plate; 33, oil outlet; 34, support seat; 35 , flame mouth; 4, particle combustion module; 41, conveying part; 411, conveying pipe; 412, feed shell; 413, bushing; 414, motor; 415, rotating shaft; 416, spiral conveyor; 42, particle combustion chamber; 43, igniter; 44, air inlet; 45, air guide casing; 46, fan; 47, support; 48, positioning part; 5, thermocouple; 6, baking net; 7, furnace cover; 8, controller. DETAILED DESCRIPTION

[0026] See also Figure 1-9 , the present invention provides a technical solution:

[0027] A multifunctional oven that can use a variety of fuels, including a frame 1, a main body 2, a charcoal tray 3, a particle combustion module 4, a thermocouple 5, a grill 6, a furnace cover 7 and a controller 8. The main body 2 is installed on the upper side of the frame 1. The main body 2 includes a shell 21 fixedly connected to the frame 1, a guide plate 22 arranged in an inclined manner is fixedly connected to the left cavity of the shell 21, a furnace body 25 is fixedly connected to the upper side of the right opening of the shell 21, and the charcoal tray 3 is installed on the inner side of the furnace body 25. The charcoal tray 3 includes a disk shell 31, a charcoal plate 32 is fixedly connected to the inner side of the disk shell 31, and a support seat 34 supported on the bottom of the furnace body 25 is fixedly connected to the inner side of the lower circular opening of the disk shell 31, and a group of four The flame mouth 35 is arranged on the inner side of the shell 21, and the particle combustion module 4 is installed on the inner side of the shell 21. The particle combustion module 4 includes a conveying part 41, and the conveying part 41 includes a feed shell 412 fixed on the lower side of the guide plate 22. The lower side of the feed shell 412 is connected with a conveying pipe 411, and a shaft sleeve 413 is fixedly connected to the inner side of the left end of the conveying pipe 411. A motor 414 is arranged on the left side of the shaft sleeve 413, and a rotating shaft 415 rotatably connected to the shaft sleeve 413 is fixedly connected to the end of the output shaft of the motor 414. A spiral conveying member 416 located on the inner side of the conveying pipe 411 is fixedly connected to the outer side of the right end of the rotating shaft 415. The right side of the conveying pipe 411 is connected with a particle combustion chamber 42 fixed on the lower side of the furnace body 25. The conveying pipe 4 An igniter 43 connected to the particle combustion chamber 42 is installed on the lower side of the shell 21, and a controller 8 is installed on the front side of the shell 21; a grill 6 on the upper side of the charcoal plate 3 is installed on the inner side of the furnace body 25 for carrying food materials, and a group of four supports arranged at equal angles are arranged on the inner side of the furnace body 25, and the grill 6 is arranged on the upper side of the support of the furnace body 25, through which the grill 6 can be supported, and a furnace cover 7 is installed on the upper side of the furnace body 25, through which the furnace body 25 can be covered; a sieve plate 23 is fixedly connected to the left cavity of the shell 21, and the sieve plate 23 is arranged on the upper side of the guide plate 22, and the non-granular charcoal can be prevented from passing through by the sieve plate 23, and a sieve plate 23 is installed on the upper side of the left cavity shell of the shell 21 There is a charcoal cover 24 on the upper side of the sieve plate 23, which can prevent external water vapor from entering the left cavity of the shell 21 and prevent water vapor from affecting the stored granular charcoal. A pulley is installed on the right leg of the seat frame 1, and a handle is provided on the left side of the shell 21, which is convenient for moving the oven; the motor 414, the igniter 43 and the controller 8 are electrically connected, and the controller 8 can control the operation of the motor 414 and the igniter 43 through this setting. The granule combustion chamber 42 is connected to the furnace body 25, and the granule combustion chamber 42 is connected to the support seat 34. The flame mouth 35 is located on the inner side of the disk shell 31, so that the flame in the granule combustion chamber 42 can enter the charcoal disk part 3 through the flame mouth 35;A group of four oil outlets 33 located at the lower side of the carbon plate 32 are provided on the outer curved surface of the plate shell 31. The lower side of the furnace body 25 is connected to an oil guide pipe 26 inserted into the shell 21. The right side of the shell 21 is provided with an opening position. The right opening position of the shell 21 is fixedly connected with a support shell 27 located at the lower side of the oil guide pipe 26. The support shell 27 is provided with an oil box 28 located at the lower side of the oil guide pipe 26. A gap is provided between the oil outlet 33 and the inner wall of the shell 21. Through this arrangement, the oil and water dripping when roasting meat ingredients will pass through the carbon plate 32 and fall into the plate shell 31, so that the oil and water can enter the bottom of the furnace body 25 through the oil outlet 33, and then the oil and water will fall into the oil box 28 through the oil guide pipe 26. The user can clean the oil box 28. ;

[0028] like Figure 2 , Figure 4 , Figure 5 , Fig. 9As shown, the lower side of the delivery pipe 411 and the particle combustion chamber 42 is fixedly connected with an air guide casing 45, the lower side opening of the air guide casing 45 is fixedly connected with a fan 46, the left side of the air guide casing 45 is fixedly connected with a support 47 for fixing the motor 414, the left side of the support 47 is fixedly connected with a positioning member 48 whose lower end is fixedly connected to the inner rib of the shell 21, a plurality of air inlet holes 44 are opened on the curved surface of the particle combustion chamber 42, and a ventilation part 29 is installed at the lower side opening of the shell 21, and the ventilation part 29 includes a first air inlet plate 291, a second air inlet plate 292, and a second air inlet plate 293. The first air inlet plate 291 is arranged in the lower left opening of the shell 21, and the second air inlet plate 292 is arranged in the lower middle opening of the shell 21. The lower end faces of the first air inlet plate 291 and the second air inlet plate 292 are fixedly connected with the middle shell 293 on both sides, and the inner side of the middle shell 293 is fixedly connected with the magnetic strip 294 adsorbed on the lower end face of the shell 21. The thermocouple 5 is installed at the hole seat of the furnace body 25. Through this setting, after the user selects the charcoal grilling mode and starts the fan 46, the fan 46 starts When air is supplied, the thermocouple 5 built into the furnace body 25 will collect the temperature information in the furnace in real time, and adjust the wind speed, that is, the oxygen supply, according to the set temperature value, so as to realize the precise control of the furnace temperature. Different gears correspond to different wind speeds to adapt to different cooking needs, so that the multifunctional oven can intelligently control the temperature of the oven according to the cooking needs of the user; the air guide shell 45 is wrapped around the lower half of the conveying pipe 411, and the right end of the air guide shell 45 is wrapped around the right outer part of the particle combustion chamber 42. The air inlet 44 is arranged on the inner side of the air guide shell 45, and this arrangement allows the air to enter the particle combustion chamber 42. The airflow of the air guide sleeve 45 will enter the particle combustion chamber 42 through the air inlet 44. The fan 46, the thermocouple 5 and the controller 8 are electrically connected. Through this arrangement, the thermocouple 5 can collect the temperature information in the furnace in real time, and adjust the wind speed of the fan 46 through the controller 8 according to the set temperature value. The first air inlet plate 291 and the second air inlet plate 292 are both provided with sieve holes. Through this arrangement, the incoming airflow can be filtered for impurities. The lower plate surface of the shell 21 is an iron plate. Through this arrangement, the magnetic attraction strip 294 can be adsorbed on the lower side of the shell 21.

[0029] Workflow: The operation of the multifunctional oven is as follows. The operation steps of the pellet stove mode are as follows: first, open the charcoal adding cover 24 to add and store charcoal particles in the left cavity of the shell 21, so that the charcoal particles pass through the sieve plate 23 and are guided by the guide plate 22 to the conveying part 41 of the pellet combustion module 4, so that the charcoal particles can pass through the feed shell 412 and enter the conveying pipe 411. At this time, the controller 8 starts the motor 414 and the igniter 43 to operate. The operation of the motor 414 drives the rotating shaft 415 and the screw conveyor 416 to rotate through the output shaft. The rotation of the screw conveyor 416 can convey the charcoal particles entering the conveying pipe 411 to the pellet combustion chamber 42. At this time, the started igniter 43 can ignite the pellets in the pellet combustion chamber 42. The granular charcoal is ignited, and the flame of the granular charcoal when burning will enter the charcoal tray 3 upwards, and pass through each flame mouth 35 (distributed fire and uniform temperature) to grill the food placed on the grilling net 6, and the above steps are used to complete the operation of the granular stove mode; the charcoal grilling mode operation steps are as follows: first, the grilling net 6 and the stove cover 7 are removed from the furnace body 25, and then the prepared appropriate amount of charcoal is placed on the charcoal plate 32 of the charcoal tray 3, and then the grilling net 6 and the stove cover 7 are reset to the furnace body 25 (the food to be grilled needs to be placed on the grilling net 6 during the reset process), at this time, the granular charcoal can be transported to the granular combustion chamber 42 through the conveying part 41, and the granular charcoal is ignited by the igniter 43, and finally the charcoal on the charcoal plate 32 is ignited by the flame of the granular charcoal, so that the charcoal The charcoal grilling mode is completed by the above steps, so that the multifunctional grill can use a variety of fuels to take into account the dual functions of the pellet stove and the charcoal grilled apple stove, providing users with a flexible and convenient use experience, and by optimizing the charcoal ignition operation, eliminating the tedious steps of manually igniting charcoal, and improving the convenience of use; the intelligent temperature control operation step, selects the charcoal grilling mode, starts the fan 46 through the controller 8, allows the external airflow to enter the shell 21 from the ventilation part 29 (filter impurities in the air), and then is transported to the air guide shell 45 by the fan 46, and the airflow is guided by the air guide shell 45 to enter the pellet combustion chamber 4 from the air inlet 44 2, and then upwardly enters the charcoal tray 3 in the furnace body 25 to supply oxygen for the combustion of charcoal (the side of the furnace cover 7 is provided with a ventilation grille for exhausting air). At the same time, the thermocouple 5 built into the furnace body 25 will collect the temperature information in the furnace in real time, and adjust the wind speed of the fan 46 through the controller 8 according to the set temperature value, and then adjust the oxygen supply, so as to achieve precise control of the furnace temperature. The same gear corresponds to different wind speeds to meet different cooking needs. Through the above steps, intelligent temperature control operation is performed. Similarly, if the intelligent temperature control is not started, natural air can be introduced to let the charcoal burn naturally, so that the multifunctional oven can perform intelligent temperature control of the oven according to the cooking needs of the user, avoiding poor cooking effect and loss of food nutrition due to temperature problems;Maintenance operation steps: the first air inlet plate 291 and the second air inlet plate 292 are positioned by the magnetic attraction of the housing 21 through the middle shell 293 and the magnetic attraction strip 294. Therefore, if the first air inlet plate 291 and the second air inlet plate 292 are blocked and need maintenance, they can be directly removed for cleaning and reset after cleaning; when roasting meat ingredients, the oil and water dripping will pass through the charcoal plate 32 and fall into the plate shell 31, so that the oil and water can enter the bottom of the furnace body 25 through the oil outlet 33, and then the oil and water will fall into the oil box 28 through the oil guide pipe 26. The user only needs to clean the oil box 28, and the maintenance operation is completed through the above steps. ;

[0030] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above are only preferred implementation methods of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. A multifunctional oven capable of using various types of fuel, comprising a frame (1), a main body (2), a charcoal tray (3), a particle combustion module (4), a thermocouple (5), a grill (6), an oven cover (7) and a controller (8), characterized in that: A main body (2) is installed on the upper side of the seat frame (1), and the main body (2) includes a shell (21) fixedly connected to the seat frame (1), a guide plate (22) arranged in an inclined manner is fixedly connected to the left cavity of the shell (21), a furnace body (25) is fixedly connected to the upper side of the right opening of the shell (21), and the charcoal tray (3) is installed on the inner side of the furnace body (25), and the charcoal tray (3) includes a tray shell (31), a charcoal plate (32) is fixedly connected to the inner side of the tray shell (31), and a support seat (34) supported on the bottom of the furnace body (25) is fixedly connected to the inner side of the lower circular opening of the tray shell (31), and a group of four flame ports (35) are opened on the outer curved surface of the support seat (34), and the particle combustion module (4) is installed on the inner side of the shell (21), and the particle combustion module (4) includes a conveying portion (41), and the conveying portion ( The invention relates to a furnace (25) comprising a feed shell (412) fixed on the lower side of the guide plate (22); the lower side of the feed shell (412) is connected to a conveying pipe (411); the inner side of the left end of the conveying pipe (411) is fixedly connected to a shaft sleeve (413); a motor (414) is arranged on the left side of the shaft sleeve (413); the end of the output shaft of the motor (414) is fixedly connected to a rotating shaft (415) rotatably connected to the shaft sleeve (413); the outer side of the right end of the rotating shaft (415) is fixedly connected to a spiral conveying member (416) located on the inner side of the conveying pipe (411); the right side of the conveying pipe (411) is connected to a particle combustion chamber (42) fixed to the lower side of the furnace body (25); the lower side of the conveying pipe (411) is installed with an igniter (43) connected to the particle combustion chamber (42); and the front side of the shell (21) is installed with a controller (8).

2. A multifunctional oven capable of using multiple types of fuels according to claim 1, characterized in that: A grilling net (6) located on the upper side of the charcoal plate (3) is installed on the inner side of the furnace body (25), a group of four supporting members arranged at equal angles are arranged on the inner side of the furnace body (25), the grilling net (6) is arranged on the upper side of the supporting member of the furnace body (25), and a furnace cover (7) is installed on the upper side of the furnace body (25).

3. The multifunctional oven capable of using various types of fuel according to claim 1, characterized in that: A sieve plate (23) is fixedly connected to the left cavity of the shell (21), and the sieve plate (23) is arranged on the upper side of the guide plate (22). A charcoal adding cover (24) located on the upper side of the sieve plate (23) is installed on the upper side of the left cavity shell of the shell (21). A pulley is installed on the right side leg of the seat frame (1), and a handle is arranged on the left side of the shell (21).

4. The multifunctional oven capable of using various types of fuel according to claim 1, characterized in that: The motor (414), the igniter (43) and the controller (8) are electrically connected, the particle combustion chamber (42) is connected to the furnace body (25), the particle combustion chamber (42) is connected to the support seat (34), and the flame mouth (35) is located on the inner side of the disk shell (31).

5. The multifunctional oven capable of using various types of fuel according to claim 1, characterized in that: A group of four oil outlets (33) located below the carbon plate (32) are provided on the outer curved surface of the disk shell (31); the lower side of the furnace body (25) is connected to an oil guide pipe (26) inserted into the shell (21); an opening is provided on the right side of the shell (21); a support shell (27) located below the oil guide pipe (26) is fixedly connected to the opening on the right side of the shell (21); an oil box (28) located below the oil guide pipe (26) is placed on the support shell (27); and a distance is provided between the oil outlet (33) and the inner wall of the shell (21).

6. The multifunctional oven capable of using various types of fuel according to claim 1, characterized in that: An air guide casing (45) is fixedly connected to the lower side of the delivery pipe (411) and the particle combustion chamber (42); a fan (46) is fixedly connected to the lower opening of the air guide casing (45); a support member (47) for fixing the motor (414) is fixedly connected to the left side of the air guide casing (45); a positioning member (48) whose lower end is fixedly connected to the inner rib of the shell (21) is fixedly connected to the left side of the support member (47); a plurality of air inlet holes (44) are provided on the curved surface of the particle combustion chamber (42); a ventilation portion (29) is installed at the lower opening of the shell (21); the ventilation portion (29) includes The furnace body (25) comprises a first air intake plate (291), a second air intake plate (292), a middle shell (293) and a magnetic strip (294); the first air intake plate (291) is arranged in the lower left opening of the shell (21); the second air intake plate (292) is arranged in the lower middle opening of the shell (21); the front and rear sides of the lower end faces of the first air intake plate (291) and the second air intake plate (292) are fixedly connected with the middle shell (293); the inner side of the middle shell (293) is fixedly connected with a magnetic strip (294) adsorbed to the lower end face of the shell (21); and a thermocouple (5) is installed at the hole seat of the furnace body (25).

7. A multifunctional oven capable of using multiple types of fuels according to claim 6, characterized in that: The air guide casing (45) is wrapped around the lower half of the conveying pipe (411), and the right end of the air guide casing (45) is wrapped around the right outer part of the particle combustion chamber (42). The air inlet hole (44) is arranged on the inner side of the air guide casing (45). The fan (46), the thermocouple (5) and the controller (8) are electrically connected. The first air inlet plate (291) and the second air inlet plate (292) are both provided with sieve holes. The lower plate surface of the shell (21) is an iron plate.

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