Real fire fireplace

Abstract

The utility model provides a real fire fireplace which comprises a shell, a partition plate is horizontally and fixedly arranged in the shell, the interior of the shell is divided into a heating cavity and a baking cavity by the partition plate, the heating cavity is located above the baking cavity, and a first communication hole for communicating the heating cavity with the baking cavity is formed in the partition plate; the heating cavity is filled with the heat preservation block; a carbon fire chamber is arranged in the heat preservation block; the mesh plate is arranged in the heating chamber; the design of the heat preservation block structure and the airflow channel is adopted, sufficient combustion of fuel in the carbon fire cavity is ensured, the oxygen content is increased through air introduced through the combustion-supporting holes, and the combustion efficiency is improved. Meanwhile, smoke generated in the combustion process is introduced into the airflow channel through the smoke suction holes and then is subjected to secondary combustion through the high-temperature area, smoke emission can be greatly reduced, the clean and smokeless combustion effect is achieved, the indoor air quality is improved, and the smoke exhaust problem of a traditional fireplace is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fireplace, concretely is a real fire fireplace. BACKGROUND

[0002] Traditional fireplaces usually adopt open combustion structure, which is prone to produce a large amount of smoke and dust during combustion, resulting in indoor air quality decline, and the emitted smoke and dust and harmful gases are difficult to be effectively treated. This combustion method fails to fully utilize fuel heat, and the smoke and dust are easy to remain in the room, affecting user experience and possibly posing a threat to health. In addition, the smoke exhaust system of the traditional fireplace is relatively simple and does not undergo secondary combustion or purification, and the generated pollutants are directly discharged outdoors, affecting environmental quality.

[0003] The existing multifunctional fireplaces usually also include a baking function, but the temperature control problem is relatively obvious, and the temperature of the baking chamber cannot be effectively maintained stable, resulting in uneven baking quality of food. Due to the lack of heat insulation measures, the temperature of the baking chamber is prone to be too high or too low, affecting the baking effect of food. When the temperature is too high, the food is easy to be scorched; when the temperature is insufficient, the food cannot be baked. Especially during long-time use, the outside of the fireplace is easy to overheat, increasing the risk of scalding.

[0004] The heat energy utilization rate of the traditional fireplace is generally not high, and most fireplaces can only meet the heating function, lacking the multipurpose development of fuel heat generation. The heat during combustion is usually concentrated in the heating cavity and cannot be fully distributed to other purposes, resulting in waste of heat energy. The multifunctional fireplace should have a reasonable heat flow distribution mode to simultaneously realize heating, baking, hot water supply and other functions to meet the diversified needs of users and improve the utilization efficiency of fuel. SUMMARY

[0005] In view of the above technical deficiencies, the purpose of the utility model is to provide a real fire fireplace, which realizes the diversity of functions and efficient use of heat energy through structure optimization.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A real fire fireplace, comprising:

[0008] A housing, a partition plate is fixed horizontally inside, which separates the inside of the housing into a heating chamber and a baking chamber, the heating chamber is located above the baking chamber, and a first communication hole is arranged on the partition plate to communicate the heating chamber and the baking chamber; a first opening is arranged on the housing to communicate with the heating chamber, a second opening is arranged on the housing to communicate with the baking chamber, and a third opening is arranged on the top to communicate with the heating chamber;

[0009] The heat preservation block is filled and installed in the heating chamber; the inside of the heat preservation block is provided with a carbon fire chamber; the heat preservation block is provided with a second communication hole, a fourth opening and a fifth opening which are in communication with the carbon fire chamber; the second communication hole is in communication with the first communication hole; the fourth opening is in communication with the first opening; the fifth opening is in communication with the third opening; the inside of the heat preservation block is provided with an airflow channel, and the bottom is provided with an air inlet in communication with the airflow channel, the air inlet being in communication with the roasting chamber; the inner wall of the heat preservation block is provided with a plurality of smoke suction holes and combustion holes in communication with the airflow channel, the smoke suction holes being located below the combustion holes, and the diameter of the smoke suction holes being smaller than that of the combustion holes;

[0010] The mesh plate is placed in the heating chamber, covers the first communication hole and abuts against the partition plate at the lower end face.

[0011] Preferably, a stainless steel protective plate is fixedly arranged on the inner wall of the heat preservation block.

[0012] Preferably, a guide plate is further included; the outer shell is provided with a heat supply channel extending into the heating chamber and in communication with the carbon fire chamber; an inclined support is fixedly arranged on the stainless steel plate, and the guide plate is detachably placed on the inclined support; the height of the guide plate gradually increases from one end close to the heat supply channel to the other end.

[0013] Preferably, a baffle is further included; the heat preservation block is provided with a slot located in the fourth opening; the baffle is placed in the fourth opening, and the lower end is detachably inserted into the slot.

[0014] Preferably, the outer shell is provided with a first air inlet in communication with the roasting chamber; a shutter is rotatably arranged in the inner part of the outer shell, and the shutter is provided with a second air inlet matched with the first air inlet.

[0015] Preferably, two door plates are hingedly arranged on the outer shell; the two door plates are respectively installed outside the first opening and the second opening; the door plates are provided with transparent observation windows; the lower part of the door plates is provided with air inlets; the lower end face of the door plates is hingedly provided with a sealing plate which is buckled below the air inlets; the heating chamber and the roasting chamber are respectively in communication with the air inlets.

[0016] Preferably, a switch handle is hingedly arranged on the side face of the door plate; the switch handle is provided with a lock slot, and the outer shell is fixedly provided with a lock catch matched with the lock slot, and the lock slot is clamped on the lock catch.

[0017] Preferably, universal wheels are installed at the lower end of the outer shell.

[0018] Preferably, the side of the shell is provided with a third air inlet hole communicating with the roasting chamber; the outside of the third air inlet hole is provided with an air door hingedly mounted on the shell; the third air inlet hole is configured with two, and the two third air inlet holes are symmetrically arranged on both sides of the roasting chamber.

[0019] Preferably, a roasting rack is movably arranged in the roasting chamber; the top of the roasting rack is provided with a carbon receiving groove, the bottom is provided with a mesh, and the inside is provided with a support rod.

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] Improve the combustion efficiency and reduce the smoke emission: The heat preservation block structure and air flow channel design are adopted to ensure the sufficient combustion of fuel in the carbon fire chamber, and the oxygen content is improved by introducing air through the combustion hole, thereby enhancing the combustion efficiency. At the same time, the smoke produced in the combustion process is introduced into the air flow channel through the smoke suction hole, and then is subjected to secondary combustion in the high-temperature area, so that the smoke emission can be greatly reduced, the clean and smokeless combustion effect is realized, the indoor air quality is improved, and the smoke emission problem of the traditional fireplace is solved.

[0022] Realize multifunctional heating and improve the heat utilization rate: The fireplace is designed with two parts of heating chamber and roasting chamber, heat transfer is realized through the communication hole on the partition plate, so that the heat generated by fuel combustion can not only heat the heating chamber, but also heat the food in the roasting chamber. By arranging the boiler interface on the top of the fireplace, the heat utilization rate is further improved, so that the heat can be used in one furnace, and the needs of heating, roasting and hot water supply are met, thereby greatly improving the user's convenience and functional diversity.

[0023] Improve the temperature control and ensure the safety and roasting stability: By adjusting the air inlet hole and air door position of the gate, the amount of air inflow is effectively controlled, so that the temperature of the chamber is accurately adjusted, the temperature of the roasting chamber is moderate, and the problems of excessive heating or insufficient temperature of food are avoided. The inside of the shell is filled with heat preservation blocks, which increases the overall heat preservation property and prevents the risk of scalding caused by overheating of the shell. The transparent observation window on the door plate facilitates the user to observe the roasting food state, ensures the safe operation, and also provides the user with an intuitive cooking experience.

[0024] Simple cleaning and maintenance design: A convenient fuel and carbon residue management device is designed, and the carbon residue after fuel combustion can directly fall into the carbon receiving groove below the roasting chamber, which is convenient for centralized cleaning, effectively reduces the scattering of combustion residues, and also reduces the maintenance cost of the fireplace. The universal wheels equipped at the bottom of the shell facilitate the flexible movement and storage of the fireplace between different positions in the room, and the use and maintenance are more convenient and easy.

[0025] Prevent fuel from falling and design of blackening window: the fireplace is designed with baffle structure in the combustion chamber, which can block the fuel in the carbon fire chamber, avoid fuel falling, and further ensure the cleanliness of the combustion area. The observation window on the door plate is provided with an air inlet hole, and the air flow is adjusted by opening and closing the sealing plate to prevent the transparent window from being blackened by smoke, thereby providing a good observation field of view for the user and being conducive to long-term cleaning and beauty of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic diagram of the utility model;

[0027] Figure 2 is a three-dimensional structural schematic diagram of the utility model;

[0028] Figure 3 is a schematic diagram of the internal structure of the utility model;

[0029] Figure 4 is Figure 3 is a local enlarged view of A in the middle;

[0030] Figure 5 is a structural schematic diagram of the door plate in the utility model;

[0031] Figure 6 is a structural schematic diagram of the baking rack in the utility model.

[0032] Among them:

[0033] 1, shell; 2, air door; 3, baking chamber; 4, universal wheel; 5, baking rack; 6, door plate; 7, heat preservation block; 8, baffle; 9, fifth opening; 10, third opening; 11, heat supply channel; 12, first air inlet; 13, gate plate; 14, air flow channel; 15, combustion hole; 16, air inlet; 17, partition plate; 18, mesh plate; 19, second air inlet; 20, first communication hole; 21, insertion slot; 22, smoke suction hole; 23, inclined support; 24, transparent observation window; 25, sealing plate; 26, air inlet hole; 27, switch handle; 28, carbon receiving groove; 29, support rod; 30, guide plate. DETAILED DESCRIPTION

[0034] The utility model will be further described below in combination with the drawings.

[0035] As Figures 1 to 6 shown, a real fire fireplace comprises:

[0036] The shell 1 is internally horizontally fixedly provided with a partition plate 17, which separates the interior of the shell 1 into a heating chamber and a baking chamber 3, the heating chamber is located above the baking chamber 3, and the partition plate 17 is provided with a first communication hole 20 communicating the heating chamber and the baking chamber 3; the shell 1 is provided with a first opening communicating with the heating chamber, a second opening communicating with the baking chamber 3, and a third opening 10 provided at the top and communicating with the heating chamber; the first opening and the second opening are located on the same side; the first opening is used for taking and placing fuel into the heating chamber; the second opening is used for placing articles to be baked into the baking chamber 3 and taking out carbon residues falling from the heating chamber; the boiler is placed on the top of the shell 1, heat is transferred to the boiler through the third opening 10 to heat the water or other substances in the boiler to obtain heat in a short time and quickly meet the use demand.

[0037] The heat preservation block 7 is filled and installed in the heating chamber and plays a role of heat preservation and anti-scalding; the interior of the heat preservation block 7 is provided with a carbon fire chamber as a main chamber for fuel combustion; the heat preservation block 7 is provided with a second communication hole, a fourth opening and a fifth opening 9 communicating with the carbon fire chamber; the second communication hole communicates with the first communication hole 20, and the carbon fire chamber and the baking chamber 3 are communicated through the second communication hole and the first communication hole 20; the fourth opening communicates with the first opening; the fifth opening 9 communicates with the third opening 10; the interior of the heat preservation block 7 is provided with an airflow channel 14, and the bottom is provided with an air inlet 16 communicating with the airflow channel 14, the air inlet 16 communicates with the baking chamber 3, and in the use process, airflow enters the airflow channel 14 from the air inlet 16; the inner wall of the heat preservation block 7 is provided with a plurality of smoke suction holes 22 and combustion-supporting holes 15 communicating with the airflow channel 14, the smoke suction holes 22 are located below the combustion-supporting holes 15, and the diameter of the smoke suction holes 22 is smaller than that of the combustion-supporting holes 15; the smoke suction holes 22 are located in the fuel combustion area, in the use process, the high temperature during fuel combustion makes the air pressure at the position of the combustion-supporting holes 15 smaller, under the action of the pressure difference, airflow is sprayed from the air inlet 16 to the carbon fire chamber through the airflow channel 14 from the combustion-supporting holes 15, the oxygen content is increased, the combustion-supporting effect is achieved, the airflow flowing at high speed in the airflow channel 14 generates negative pressure at the position of the smoke suction holes 22, the smoke and dust generated during fuel combustion are sucked into the airflow channel 14 and sprayed above the combustion area from the combustion-supporting holes 15, the high temperature above the combustion area is used to burn the smoke and dust completely, and the smokeless combustion effect is achieved; in addition, the heat preservation block 7 has compact structure and can realize multifunctional integration in limited space, the design of the carbon fire chamber and the airflow channel 14 improves the fuel combustion efficiency, reduces fuel consumption and keeps the temperature stable.

[0038] The mesh plate 18 is arranged in the heating chamber, covers the first communication hole 20, and the lower end surface abuts against the partition plate 17. The fuel is arranged above the mesh plate 18. The mesh plate 18 can keep the fuel uniformly distributed in the carbon fire chamber, avoid uneven combustion caused by too large drop, and prolong the service life of the mesh plate 18 by using high-temperature corrosion-resistant materials.

[0039] In the embodiment, the heat insulation plate is arranged in the baking chamber 3 and fixedly arranged with the shell 1. The heat insulation plate can reduce heat loss in the baking chamber 3 and prevent the user from being scalded by the baking chamber 3, thereby playing a scalding prevention role.

[0040] In the embodiment, the inner wall of the heat preservation block 7 is fixedly provided with a stainless steel protective plate, which prevents the heat preservation block 7 from being burned and falling off, thereby prolonging the service life. The stainless steel protective plate can effectively isolate the direct erosion of high temperature on the heat preservation block 7, so that the heat preservation block 7 maintains a good physical state after multiple combustion.

[0041] In the embodiment, the heat supply channel 11 is arranged on the shell 1 and extends into the heating chamber and communicates with the carbon fire chamber. The outer part of the heat supply channel 11 can be provided with a smoke pipe for smoke exhaust according to the use requirement. The inclined support 23 is fixedly arranged on the stainless steel plate, and the flow guide plate 30 is detachably arranged on the inclined support 23. The height of the flow guide plate 30 gradually increases from one end close to the heat supply channel 11 to the other end. After the flow guide plate 30 is arranged on the inclined support 23, the heat generated by combustion is blocked by the flow guide plate 30, so that most of the heat is transmitted upward to heat the boiler and reduce heat loss from the heat supply channel 11. The flow guide plate 30 can be simultaneously detached according to the requirement to adjust the transmission direction of the heat and improve the overall heat utilization efficiency. According to the use requirement, the flow guide plate 30 and the smoke pipe can be detached, and a heating device is connected outside the heat supply channel 11. The heat passes through the heat supply channel 11 into the heating device for indoor heating. The heating device includes common products such as water heating pipe, water heating sheet and water heating box.

[0042] In the embodiment, the baffle 8 is further included. The heat preservation block 7 is provided with the slot 21, and the slot 21 is located in the fourth opening. The baffle 8 is arranged in the fourth opening and detachably inserted into the slot 21. The baffle 8 is used for blocking the fuel stacked in the carbon fire chamber to prevent the fuel from falling out. The design of the baffle 8 prevents the fuel from falling out of the carbon fire chamber and ensures the continuity and stability of the combustion process.

[0043] In the embodiment, the first air inlet 12 is arranged on the shell 1 and communicates with the baking chamber 3; the inside of the shell 1 is rotatably provided with a shutter 13, the shutter 13 is provided with a second air inlet 19 matched with the first air inlet 12, and the first air inlet 12 and the second air inlet 19 are communicated by rotating the shutter 13 to adjust the air inlet amount. The design of the shutter 13 not only improves the flexibility of the air inlet amount adjustment, but also ensures that the temperature in the baking chamber 3 can be stably controlled to meet different baking requirements. According to the use requirement, the rotating shutter 13 can be removed, and the first air inlet 12 is expanded into a circular opening to be directly connected with the air supply pipeline.

[0044] In the embodiment, two door plates 6 are hingedly arranged on the shell 1; the two door plates 6 are respectively arranged outside the first opening and the second opening; the door plate 6 is provided with a transparent observation window 24; the lower part of the door plate 6 is provided with an air inlet hole 26; the lower end surface of the door plate 6 is hingedly provided with a sealing plate 25, the sealing plate 25 is buckled below the air inlet hole 26; the heating chamber and the baking chamber 3 respectively communicate with the air inlet hole 26. After the sealing plate 25 is opened, the airflow can enter the heating chamber and the baking chamber 3 from the air inlet hole 26, so as to prevent the transparent observation window 24 from being blackened by smoke. The design of the door plate 6 facilitates the user to observe the internal combustion condition and the baking condition, and the arrangement of the sealing plate 25 avoids the pollution of the observation window by smoke and prolongs the cleaning cycle of the door plate 6.

[0045] In the embodiment, a switch handle 27 is hingedly arranged on the side surface of the door plate 6; the switch handle 27 is provided with a lock slot, and the shell 1 is fixedly provided with a lock catch matched with the lock slot, and the lock slot is clamped on the lock catch. Through the design of the switch handle 27 and the lock slot, the door plate 6 can be stably closed and locked.

[0046] In the embodiment, the lower end of the shell 1 is provided with a universal wheel 4. The universal wheel 4 makes the overall movement of the fireplace more flexible, facilitates the transfer between multiple areas indoors or outdoors, and increases the convenience of use.

[0047] In the embodiment, a third air inlet is arranged on the side surface of the shell 1 and communicates with the baking chamber 3; the outside of the third air inlet is provided with an air door 2, and the air door 2 is hingedly arranged on the shell 1; the third air inlet is configured with two, and the two third air inlets are symmetrically arranged on the two sides of the baking chamber 3; the air inlet amount is further adjusted through the third air inlet. The design of the double third air inlets makes the air flow uniformly distributed in the baking chamber 3, improves the baking effect, and the air door 2 can adjust the air flow size at any time to meet different requirements.

[0048] In this embodiment, the baking chamber 3 is movably provided with a baking rack 5; the top of the baking rack 5 is provided with a carbon collection groove 28, the bottom is provided with a mesh, and the inside is provided with a support rod 29; the carbon residue falling during baking is collected in the carbon collection groove, and the support rod 29 is used as a support for baking food. The design of the baking rack 5 allows the user to place the food to be baked on the support rod 29, and the falling carbon residue can be collected and cleaned, keeping the baking chamber 3 clean; the inside of the shell 1 is provided with a water tank, which is located in the baking chamber 3 below the baking rack 5; after water is poured into the water tank, it is used to collect the juice dripping from the baking rack 5 during baking; according to the use requirements, the bottom of the shell 1 is provided with a drain, which is connected to the water tank and used to drain the water in the water tank to the sewer or sewer.

[0049] In this embodiment, multiple real fire fireplaces can be used in combination to meet the needs of various different application scenarios. The smoke pipe is buried underground and connected to the heating channel 11 at one end, reducing the occupied space during use and improving the overall aesthetics.

[0050] Working principle

[0051] The working principle of the real fire fireplace is that the heat generated by the combustion of fuel in the carbon fire chamber is transmitted to the baking chamber 3 and the boiler through the communication holes of the partition plate 17. At the same time, the high temperature generated by combustion forms a negative pressure, causing air to be sucked into the air flow channel 14 and sprayed out of the combustion hole 15 to increase oxygen. The design of the combustion hole 15 and the smoke suction hole 22 further optimizes the combustion efficiency, allowing the fuel to burn completely and achieve a smokeless effect.

[0052] Fuel combustion and heat transfer: Place the fuel in the carbon fire chamber, introduce air through the air inlet 16 and the combustion hole 15 to accelerate the combustion process. The heat generated by combustion is transmitted to the baking chamber 3, causing the temperature in the chamber to rise, which is used to bake food, and is also transmitted to the boiler through the communication holes of the partition plate 17, heating the water or other substances in the boiler to meet the demand for fast hot water or steam.

[0053] Combustion and smoke suction function: When the fuel burns, the air flow enters the carbon fire chamber from the air inlet 16 through the air flow channel 14 under the pressure difference of the combustion hole 15, further improving the combustion efficiency. The position of the smoke suction hole 22 sucks the smoke generated by combustion into the air flow channel 14 through negative pressure, and the smoke is further burned by the high temperature in the combustion area to achieve a smokeless effect.

[0054] Heat flow and control: Through the detachable design of the deflector 30, the direction of heat transfer can be controlled through the deflector 30; the air inlet of the gate plate 13 is adjusted and the air inlet is controlled by the air door 2, so that the temperature in the chamber can be flexibly adjusted.

[0055] Fuel and carbon residue management: The baking rack 5 and carbon receiving groove 28 are arranged in the baking chamber 3, so that the carbon residue is collected and the chamber is prevented from being contaminated, ensuring the continuity of combustion.

Claims

1. A real fire fireplace, characterized in that The utility model relates to a kind of carbon fire baking machine, including: Shell (1), internal horizontal fixedly provided with partition plate (17), the partition plate (17) separates the inside of shell (1) heating chamber and baking chamber (3), heating chamber is located above baking chamber (3), partition plate (17) is provided with first communication hole (20) for communicating heating chamber and baking chamber (3);Shell (1) is provided with first opening for communicating with heating chamber, second opening for communicating with baking chamber (3), top is provided with third opening (10) for communicating with heating chamber; Thermal insulation block (7), filling installation is in heating chamber;Thermal insulation block (7) is provided with carbon fire chamber in inside;Thermal insulation block (7) is provided with second communication hole, fourth opening, fifth opening (9) for communicating with carbon fire chamber;Second communication hole is communicated with first communication hole (20);Fourth opening is communicated with first opening;Fifth opening (9) is communicated with third opening (10);Thermal insulation block (7) is provided with airflow passage (14) in inside, bottom is provided with air inlet (16) for communicating with airflow passage (14), the air inlet (16) is communicated with baking chamber (3);Thermal insulation block (7) is provided with multiple smoke holes (22) and combustion hole (15) for communicating airflow passage (14) on inner wall, smoke hole (22) is located below combustion hole (15), the diameter of smoke hole (22) is less than the diameter of combustion hole (15); Mesh plate (18) is placed in heating chamber, covers first communication hole (20), lower end surface is abutted on partition plate (17).

2. The realistic fire wall of claim 1, wherein The inner wall of the thermal insulation block (7) is fixedly provided with a stainless steel protective plate.

3. The real fire fireplace of claim 2, wherein, It also includes a deflector (30);The shell (1) is provided with a heat supply channel (11), which extends into the heating chamber and communicates with the carbon fire chamber;The inclined bracket (23) is fixedly arranged on the stainless steel plate, and the deflector (30) is detachably placed on the inclined bracket (23);The height of the deflector (30) gradually increases from one end close to the heat supply channel (11) to the other end.

4. The real fire fireplace of claim 1, wherein, It also includes a baffle (8);The thermal insulation block (7) is provided with a slot (21), and the slot (21) is located in the fourth opening;The baffle (8) is placed in the fourth opening, and the lower end is detachably inserted into the slot (21).

5. The realistic fire wall of claim 1, wherein The shell (1) is provided with a first air inlet (12), and the first air inlet (12) communicates with the baking chamber (3);The inner part of the shell (1) is rotatably provided with a shutter (13), and the shutter (13) is provided with a second air inlet (19) matched with the first air inlet (12).

6. The realistic fire wall of any one of claims 1 to 5, wherein, The shell (1) is hingedly provided with two door plates (6);Two door plates (6) are respectively installed outside the first opening and the second opening;The door plate (6) is provided with a transparent observation window (24);The lower part of the door plate (6) is provided with an air inlet hole (26);The lower end surface of the door plate (6) is hingedly provided with a sealing plate (25), which is buckled below the air inlet hole (26);The heating chamber and the baking chamber (3) respectively communicate with the air inlet hole (26).

7. The real fire wall of claim 6, wherein, The side of the door plate (6) is hingedly provided with a switch handle (27); the switch handle (27) is provided with a lock slot, and the shell (1) is fixedly provided with a lock catch matched with the lock slot, and the lock slot is clamped on the lock catch.

8. The real fire wall of claim 1, wherein, The lower end of the shell (1) is provided with universal wheels (4).

9. The real fire wall of claim 1, wherein, The side of the shell (1) is provided with third air inlet holes communicating with the baking chamber (3); the outside of the third air inlet holes is provided with air doors (2) hingedly mounted on the shell (1); the third air inlet holes are arranged in two, and the two third air inlet holes are symmetrically arranged on the two sides of the baking chamber (3).

10. The real fire wall of claim 1, wherein, The baking chamber (3) is movably provided with a baking rack (5); the top of the baking rack (5) is provided with a carbon receiving groove (28), the bottom is provided with a mesh, and the inside is provided with a supporting rod (29).

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