Rotary hearth type aging furnace with flow guide device

Abstract

The invention discloses a rotary hearth type aging furnace with a flow guide device, and relates to the technical field of heat treatment equipment, a mounting plate is arranged at the bottom of an aging furnace body, and the bottom of the aging furnace body is fixed on the mounting plate through a plurality of No.1 support legs; a plurality of second supporting legs are fixed to the bottom of the mounting plate. The rotating mechanism is connected with the heating turntable; the rotating mechanism is fixed on the mounting plate; the placing mechanism is arranged on the heating turntable; the circulating mechanism is arranged on the aging furnace body; when the heating turntable rotates, the two edges are stressed, so that the heating turntable rotates more stably, and uniform heating in the aging oven body is ensured; workpieces can be stably moved out and reset, workpiece loading and unloading are facilitated, and the operation efficiency is improved; the circulating fan is matched with the flow guide device to force airflow circulation, so that hot airflow uniformly flows through the workpiece to meet the aging process requirement; the preheating time of combustion-supporting air is prolonged, secondary heat exchange is conducted through waste gas waste heat, the combustion efficiency is improved, and the exhaust gas emission temperature is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of heat treatment equipment, and in particular to a rotary bottom aging furnace provided with a guide device. Background Art

[0002] Traditional aging furnaces suffer from uneven temperature distribution, low thermal efficiency, and wasteful exhaust heat during the heating process. In existing technologies, the heating turntable's instability leads to uneven heating of the workpiece; the circulating airflow distribution is not ideal, affecting the aging process. Furthermore, direct exhaust gas discharge wastes energy, and insufficient preheating of the combustion air results in low combustion efficiency. To address this issue, a rotary bottom aging furnace equipped with a flow guide device has been proposed. Summary of the Invention

[0003] The purpose of the present invention is to address the defects and shortcomings of the existing technology and provide a rotary bottom aging furnace equipped with a guide device. When the heating turntable rotates, the two edges are designed to bear force, so that the rotation of the heating turntable is more stable, ensuring uniform heating in the aging furnace body; the workpiece can be smoothly moved out and reset, which facilitates the loading and unloading of the workpiece and improves the operating efficiency; the circulating fan cooperates with the guide device to force the air flow to circulate, so that the hot air flow flows evenly through the workpiece, meeting the aging process requirements; the preheating time of the combustion air is extended, and the waste heat of the exhaust gas is used for secondary heat exchange, thereby improving the combustion efficiency and reducing the exhaust gas emission temperature.

[0004] To achieve the above-mentioned object, the present invention adopts the following technical solutions: it comprises an aging furnace body, a heating turntable and a door body; a heating turntable is provided in the aging furnace body, the heating turntable is screwed to the aging furnace body through a shaft and a bearing, the heating turntable has a built-in heating element, and the heating element is connected to an external power supply; two doors are provided on the front side of the aging furnace body; It also contains: The mounting plate is arranged at the bottom of the aging furnace body, and the bottom of the aging furnace body is fixed to the mounting plate by a number of No. 1 legs; a number of No. 2 legs are fixed to the bottom of the mounting plate; A rotating mechanism, the rotating mechanism being connected to the heating turntable; the rotating mechanism being fixed on the mounting plate; A placing mechanism, wherein the placing mechanism is arranged on the heating turntable; A circulation mechanism, wherein the circulation mechanism is arranged on the aging furnace body; Through the above technical solution design, the heating turntable is started for preheating, the door is opened, the workpiece is placed in the placement mechanism, the workpiece is moved back to the aging furnace body by using the placement mechanism, and the heating turntable is rotated by using the rotation mechanism, so that the aging furnace body can be heated evenly; when the circulation mechanism discharges the exhaust gas and introduces the combustion-supporting air, the exhaust gas undergoes another heat exchange with the combustion-supporting air here, and the combustion-supporting air is heated and then the waste heat is used for combustion, thereby further improving the combustion thermal efficiency and greatly reducing the exhaust temperature of the exhaust gas.

[0005] Preferably, the rotating mechanism comprises: A gear ring, wherein the gear ring is sleeved and fixed on the heating turntable; Gears, there are two gears, which are respectively meshed with the left and right sides of the gear ring; The number of the first rotating shaft is two, and the number of the first rotating shaft is fixed to the bottom of the gear respectively. The first rotating shaft is screwed to the bottom plate of the aging furnace body through a bearing; Rotating motors, there are two rotating motors, each of which is fixed to a mounting plate and connected to an external power source; Through the above technical solution design, the rotating motor is started to rotate the No. 1 rotating shaft, which drives the gear to rotate, the gear ring to rotate, and the heating turntable to rotate, thereby uniformly heating the aging furnace body. The two edges of the heating turntable are forced to rotate, making the heating turntable more stable when rotating.

[0006] Preferably, the annular slide rail is fixed to the bottom of the aging furnace body; two left and right sliders are slidably provided on the annular slide rail, and the sliders are fixedly connected to the bottom of the heating turntable through a No. 1 connecting rod; Through the above technical solution design, when the heating turntable rotates, the slider rotates on the annular slide rail, making the heating turntable more stable.

[0007] Preferably, the placement mechanism comprises: A placement rack, the placement rack being arranged above the heating turntable; Slide bars, there are two of them, and they are fixed on the left and right sides of the placement rack respectively; There are two movable slide rails, which are respectively slidably arranged with the slide bar, and the movable slide rails are fixed in the aging furnace body; A movable tube, wherein the movable tube is arranged at the bottom of the placement rack; Through the above technical solution design, the screw rotates, so that the moving tube drives the slide bar on the placement rack to move on the moving slide rail, the placement rack is moved out of the aging furnace body, the pin is removed, and the placement rack can be removed.

[0008] Preferably, a No. 1 fixing ring is fixed to the front end of the movable tube, a No. 2 fixing ring is fixed to the front side wall of the placement frame, and a latch is inserted between the No. 1 fixing ring and the No. 2 fixing ring; a screw is screwed into the movable tube through a thread, and the screw is screwed to the rear side of the ring wall of the aging furnace body through a bearing; Through the above technical solution design, the movable tube is connected to the placement rack through a latch, making it easy to fix the placement rack.

[0009] Preferably, the rear end of the screw is connected to the second rotating shaft through a bevel gear pair, the bottom of the second rotating shaft is connected to the output shaft of the mobile motor, and the mobile motor is connected to an external power supply; the mobile motor is fixed to the mounting plate; Through the above technical solution design, the mobile motor is started to rotate the No. 2 rotating shaft, driving the screw to rotate.

[0010] Preferably, the circulation mechanism comprises: No. 1 exhaust pipe, which is connected to the top of the aging furnace body through the exhaust pipe; the No. 1 exhaust pipe is connected to a connecting pipe; A spiral tube, the spiral tube is connected to the connecting tube through and through; the other end of the spiral tube is connected to the second exhaust pipe through and through; Insulation pipe, the insulation pipe is sleeved on the spiral pipe, and the insulation pipe is fixed to the aging furnace body through a bracket; the No. 1 exhaust pipe and the No. 2 exhaust pipe are both fixed to the insulation pipe; A No. 1 air inlet pipe, the No. 1 air inlet pipe being connected through the right side of the upper end of the annular wall of the insulation pipe; No. 2 air inlet pipe, the No. 2 air inlet pipe is connected to the left side of the lower end of the ring wall of the insulation pipe; the No. 2 air inlet pipe is arranged in the aging furnace body; Circulation fan, the circulation fan is fixed to the left side of the inner ring wall of the aging furnace body, and the circulation fan is connected to the external power supply; Through the above technical solution design, when the combustion-supporting air is introduced and the exhaust gas is discharged, the circulation fan circulates the gas in the aging furnace body, sucks in the air through the No. 1 air inlet pipe, enters the aging furnace body through the No. 2 exhaust pipe, and the exhaust gas is discharged through the No. 1 exhaust pipe, the spiral pipe and the No. 2 exhaust pipe. The combustion-supporting air passes through the spiral pipe, which prolongs the time the combustion-supporting air stays in the insulation pipe. The exhaust gas undergoes another heat exchange with the combustion-supporting air used for combustion, and the combustion air is heated and then used for waste heat combustion, thereby further improving the combustion thermal efficiency and greatly reducing the exhaust temperature of the exhaust gas.

[0011] Preferably, a rubber plug is provided above the No. 1 air inlet pipe, and a No. 2 connecting rod is fixed on both sides of the rubber plug. The bottom of the No. 2 connecting rod is connected to the movable end of the electric push rod, the electric push rod is fixed on the insulation pipe, and the electric push rod is connected to the external power supply; Through the above technical solution design, the electric push rod is started to make the rubber plug rise to take in air.

[0012] Preferably, the outlet end of the No. 2 air inlet pipe is arranged at the rear side of the circulation fan, and a wind shield is provided on the outlet end of the No. 2 air inlet pipe; Through the above technical design, the combustion air out of the No. 2 air intake pipe can be directly circulated to improve the air circulation efficiency.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. When the heating turntable rotates, the two edges are designed to bear force, making the heating turntable rotate more stably and ensuring uniform heating inside the aging furnace body; 2. The workpiece can be moved out and reset smoothly, which facilitates the loading and unloading of the workpiece and improves the operating efficiency; 3. The circulation fan cooperates with the guide device to force the air circulation, so that the hot air flows evenly through the workpiece to meet the aging process requirements; 4. Extend the preheating time of the combustion air and use the waste heat of the exhaust gas for secondary heat exchange to improve the combustion efficiency and reduce the exhaust gas emission temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention.

[0015] Figure 2 It is a southeast isometric view of the present invention.

[0016] Figure 3 yes Figure 2 Enlarged view of part A in .

[0017] Figure 4 It is a schematic diagram of the internal structure of the present invention.

[0018] Figure 5 It is a structural schematic diagram of the placement mechanism in the present invention.

[0019] Figure 6 yes Figure 5 Enlarged view of part B in .

[0020] Figure 7 yes Figure 5 Enlarged view of part C in .

[0021] Figure 8 It is a structural diagram of the rotating mechanism in the invention.

[0022] Figure 9 This is an enlarged view of portion D in the figure.

[0023] Description of reference numerals: Aging furnace body 1, heating turntable 2, door body 3, mounting plate 4, support leg No. 1 5, support leg No. 2 6, rotating mechanism 7, gear ring 7-1, gear 7-2, shaft No. 1 7-3, rotating motor 7-4, annular slide rail 7-5, slider 7-6, connecting rod No. 1 7-7, placing mechanism 8, placing rack 8-1, slide bar 8-2, moving slide rail 8-3, moving tube 8-4, fixing ring No. 1 8-5, fixing ring No. 2 8-6, latch 8-7, screw 8-8, shaft No. 2 8-9, moving motor 8-10, circulation mechanism 9, exhaust pipe No. 1 9-1, connecting pipe 9-2, spiral pipe 9-3, exhaust pipe No. 2 9-4, insulation pipe 9-5, air inlet pipe No. 1 9-6, rubber stopper 9-7, connecting rod No. 2 9-8, electric push rod 9-9, air inlet pipe No. 2 9-10, circulation fan 9-11, wind hood 9-12. DETAILED DESCRIPTION

[0024] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments described are only used as examples. All other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

[0025] This specific implementation adopts the following technical solutions: Example

[0026] See also Figure 1-2 , this embodiment 1 includes an aging furnace body 1, a heating turntable 2 and a door body 3; the aging furnace body 1 is provided with a heating turntable 2, the heating turntable 2 is screwed into the aging furnace body 1 through a shaft and a bearing, the heating turntable 2 has a built-in heating element, and the heating element is connected to an external power supply; the front side of the aging furnace body 1 is provided with two doors 3; It also contains: The mounting plate 4 is provided at the bottom of the aging furnace body 1. The bottom of the aging furnace body 1 is fixed to the mounting plate 4 by a number of No. 1 legs 5. A number of No. 2 legs 6 are fixed to the bottom of the mounting plate 4. The rotating mechanism 7 is connected to the heating turntable 2; the rotating mechanism 7 is fixed on the mounting plate 4; A placing mechanism 8, wherein the placing mechanism 8 is provided on the heating turntable 2; The circulation mechanism 9 is provided on the aging furnace body 1 . Example

[0027] See also Figure 4 、 8 9. Based on Example 1, the rotating mechanism 7 includes: Gear ring 7-1, said gear ring 7-1 is sleeved and fixed on the heating turntable 2; Gear 7-2, there are two gears 7-2, and they are respectively meshed with the left and right sides of the gear ring 7-1; The first rotating shaft 7-3, the number of the first rotating shaft 7-3 is two, and they are respectively fixed to the bottom of the gear 7-2, and the first rotating shaft 7-3 is screwed to the bottom plate of the aging furnace body 1 through a bearing; Rotating motor 7-4, the number of the rotating motor 7-4 is two, and each is fixed on the mounting plate 4, the rotating motor 7-4 is connected to an external power supply, and the specific model of the rotating motor 7-4 is purchased directly from the market and installed and used according to actual use requirements; The annular slide rail 7-5 is fixed to the bottom of the aging furnace body 1 by bolts; two left and right sliders 7-6 are slidably provided on the annular slide rail 7-5, and the slider 7-6 is fixedly connected to the bottom of the heating turntable 2 through a No. 1 connecting rod 7-7. Example

[0028] See also Figure 4-7 On the basis of Example 1, the placement mechanism 8 comprises: A placement rack 8-1, wherein the placement rack 8-1 is arranged above the heating turntable 2; Slide bar 8-2, the number of the slide bar 8-2 is two, and is fixed on the left and right sides of the placement rack 8-1 respectively; There are two movable slide rails 8-3, which are respectively slidably arranged with the slide bar 8-2. The movable slide rails 8-3 are fixed in the aging furnace body 1; The movable tube 8-4 is arranged at the bottom of the placement rack 8-1; a No. 1 fixing ring 8-5 is fixed to the front end of the movable tube 8-4, and a No. 2 fixing ring 8-6 is fixed on the front side wall of the placement rack 8-1, and a pin 8-7 is inserted between the No. 1 fixing ring 8-5 and the No. 2 fixing ring 8-6; a screw rod 8-8 is screwed into the movable tube 8-4 through a thread, and the screw rod 8-8 is screwed to the rear side of the ring wall of the aging furnace body 1 through a bearing; the rear end of the screw rod 8-8 is connected to the No. 2 rotating shaft 8-9 through a bevel gear pair, and the bottom of the No. 2 rotating shaft 8-9 is connected to the output shaft of the movable motor 8-10, and the movable motor 8-10 is connected to the external power supply. The specific model of the movable motor 8-10 is directly purchased and installed from the market according to actual use requirements; the movable motor 8-10 is fixed on the mounting plate 4. Example

[0029] See also Figure 1-4 On the basis of Example 1, the circulation mechanism 9 comprises: The No. 1 exhaust pipe 9-1 is connected to the top of the aging furnace body 1 through the No. 1 exhaust pipe 9-1; the No. 1 exhaust pipe 9-1 is connected to the connecting pipe 9-2; The spiral tube 9-3 is connected to the connecting tube 9-2; the other end of the spiral tube 9-3 is connected to the second exhaust pipe 9-4; Insulation pipe 9-5, the insulation pipe 9-5 is sleeved on the spiral pipe 9-3, and the insulation pipe 9-5 is fixed to the aging furnace body 1 through a bracket; the No. 1 exhaust pipe 9-1 and the No. 2 exhaust pipe 9-4 are both fixed to the insulation pipe 9-5; The No. 1 air inlet pipe 9-6 is connected to the right side of the upper end of the ring wall of the insulation pipe 9-5; a rubber plug 9-7 is provided above the No. 1 air inlet pipe 9-6, and a No. 2 connecting rod 9-8 is fixed on both sides of the rubber plug 9-7. The bottom of the No. 2 connecting rod 9-8 is connected to the movable end of the electric push rod 9-9, and the electric push rod 9-9 is fixed on the insulation pipe 9-5. The electric push rod 9-9 is connected to an external power supply. The specific model of the electric push rod 9-9 is purchased and installed directly from the market according to actual use requirements. The second air inlet pipe 9-10 is connected to the left side of the lower end of the ring wall of the insulation pipe 9-5; the second air inlet pipe 9-10 is arranged in the aging furnace body 1; Circulation fan 9-11, the circulation fan 9-11 is fixed to the left side of the inner ring wall of the aging furnace body 1, the circulation fan 9-11 is connected to the external power supply, and the specific use model of the circulation fan 9-11 is directly purchased and installed from the market according to actual use requirements; the outlet end of the No. 2 air inlet pipe 9-10 is located at the rear side of the circulation fan 9-11, and a wind cover 9-12 is provided on the outlet end of the No. 2 air inlet pipe 9-10.

[0030] When using the present invention, the heating turntable 2 is started for preheating, and the rotating motor 7-4 is started to rotate the No. 1 rotating shaft 7-3, which drives the gear 7-2 to rotate, and the gear ring 7-1 to rotate, which drives the heating turntable 2 to rotate, and evenly heats the inside of the aging furnace body 1. The two edges of the heating turntable 2 are forced to rotate, making the heating turntable 2 more stable when rotating; Open the door 3 and start the moving motor 8-10 to rotate the No. 2 rotating shaft 8-9, driving the screw 8-8 to rotate. The moving tube 8-4 is connected to the placement rack 8-1 through the latch 8-7, so that the moving tube 8-4 drives the slide bar 8-2 on the placement rack 8-1 to move on the moving slide rail 8-3, and the placement rack 8-1 is moved out of the aging furnace body 1. The latch 8-7 is removed and the placement rack 8-1 can be removed to place the workpiece to be processed. The placement rack 8-1 is put back and the latch 8-7 is inserted. The moving motor 8-10 is started to make the placement rack 8-1 drive the workpiece back. The door 3 is closed and the circulating fan 9-11 is started to heat the workpiece evenly to ensure that the hot air flow in the furnace can effectively and evenly flow through the workpiece, thereby meeting the process requirements of the workpiece aging process. When the combustion-supporting air is introduced and the exhaust gas is discharged, the electric push rod 9-9 is started to make the rubber plug 9-7 rise. When the circulating fan 9-11 circulates the gas in the aging furnace body 1, it inhales air through the No. 1 air inlet pipe 9-6 and enters the aging furnace body 1 through the No. 2 exhaust pipe 9-4. The exhaust gas is discharged through the No. 1 exhaust pipe 9-1, the spiral pipe 9-3 and the No. 2 exhaust pipe 9-4. The combustion-supporting air passes through the spiral pipe 9-3, which prolongs the time the combustion-supporting air stays in the insulation pipe 9-5. The exhaust gas undergoes another heat exchange with the combustion-supporting air used for combustion. The combustion-supporting air is heated and then used for waste heat combustion, which further improves the combustion thermal efficiency and greatly reduces the exhaust temperature of the exhaust gas.

[0031] Compared with the prior art, the present invention has the following beneficial effects: 1. The heating turntable 2 is rotated by the gear 7-2 and the gear ring 7-1, and the two edges are designed to bear force, which makes the rotation of the heating turntable 2 more stable and ensures uniform heating in the aging furnace body 1; 2. The placement rack 8-1 is smoothly moved out and reset through the moving motor 8-10, screw 8-8 and slide bar 8-2 mechanism, which facilitates the loading and unloading of workpieces and improves the operating efficiency; 3. Circulation fans 9-11 cooperate with the guide device to force air circulation, so that the hot air flows evenly through the workpiece to meet the aging process requirements; 4. The spiral tube 9-3 design prolongs the preheating time of the combustion air and utilizes the waste heat of the exhaust gas for secondary heat exchange, thereby improving combustion efficiency and reducing the exhaust gas emission temperature.

[0032] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A rotary bottom aging furnace provided with a flow guide device, comprising an aging furnace body (1), a heating turntable (2) and a door body (3); a heating turntable (2) is provided in the aging furnace body (1), the heating turntable (2) is screwed into the aging furnace body (1) via a shaft and a bearing, a heating element is built into the heating turntable (2), and the heating element is connected to an external power supply; two doors (3) are provided on the front side of the aging furnace body (1); It is characterized in that It also contains: A mounting plate (4), wherein the mounting plate (4) is arranged at the bottom of the aging furnace body (1), and the bottom of the aging furnace body (1) is fixed to the mounting plate (4) via a plurality of No. 1 supporting legs (5); a plurality of No. 2 supporting legs (6) are fixed to the bottom of the mounting plate (4); A rotating mechanism (7), wherein the rotating mechanism (7) is connected to the heating turntable (2); the rotating mechanism (7) is fixed on the mounting plate (4); A placement mechanism (8), wherein the placement mechanism (8) is arranged on the heating turntable (2); A circulation mechanism (9), wherein the circulation mechanism (9) is arranged on the aging furnace body (1).

2. A rotary hearth aging furnace equipped with a guide device according to claim 1, characterized in that: The rotating mechanism (7) comprises: A gear ring (7-1), wherein the gear ring (7-1) is sleeved and fixed on the heating turntable (2); Gears (7-2), there are two gears (7-2), which are respectively meshed with the left and right sides of the gear ring (7-1); A No. 1 rotating shaft (7-3), wherein the number of the No. 1 rotating shafts (7-3) is two and they are respectively fixed to the bottom of the gear (7-2), and the No. 1 rotating shafts (7-3) are screwed to the bottom plate of the aging furnace body (1) through bearings; The rotating motors (7-4) are two in number and are respectively fixed on the mounting plate (4). The rotating motors (7-4) are connected to an external power supply.

3. A rotary hearth aging furnace equipped with a guide device according to claim 2, characterized in that: The annular slide rail (7-5) is fixed to the bottom of the aging furnace body (1); two left and right sliders (7-6) are slidably provided on the annular slide rail (7-5), and the sliders (7-6) are fixedly connected to the bottom of the heating turntable (2) via a No. 1 connecting rod (7-7).

4. A rotary hearth aging furnace equipped with a guide device according to claim 1, characterized in that: The placement mechanism (8) comprises: A placement rack (8-1), wherein the placement rack (8-1) is arranged above the heating turntable (2); Slide bars (8-2), the number of the slide bars (8-2) is two, and they are respectively fixed on the left and right sides of the placement rack (8-1); Movable slide rails (8-3), the number of the movable slide rails (8-3) is two, and they are respectively slidably arranged with the slide bar (8-2), and the movable slide rails (8-3) are fixed in the aging furnace body (1); A movable tube (8-4), wherein the movable tube (8-4) is arranged at the bottom of the placement rack (8-1).

5. A rotary hearth aging furnace equipped with a guide device according to claim 4, characterized in that: A No. 1 fixing ring (8-5) is fixed to the front end of the movable tube (8-4), a No. 2 fixing ring (8-6) is fixed to the front side wall of the placement frame (8-1), and a latch (8-7) is inserted between the No. 1 fixing ring (8-5) and the No. 2 fixing ring (8-6); a screw rod (8-8) is screwed into the movable tube (8-4) through a thread, and the screw rod (8-8) is screwed to the rear side of the ring wall of the aging furnace body (1) through a bearing.

6. A rotary hearth aging furnace equipped with a guide device according to claim 4, characterized in that: The rear end of the screw (8-8) is connected to the second rotating shaft (8-9) through a bevel gear pair, the bottom of the second rotating shaft (8-9) is connected to the output shaft of the mobile motor (8-10), and the mobile motor (8-10) is connected to an external power supply; the mobile motor (8-10) is fixed on the mounting plate (4).

7. The rotary hearth aging furnace provided with a guide device according to claim 1, characterized in that: The circulation mechanism (9) comprises: A No. 1 exhaust pipe (9-1), the No. 1 exhaust pipe (9-1) is connected to the top of the aging furnace body (1); the No. 1 exhaust pipe (9-1) is connected to a connecting pipe (9-2); A spiral tube (9-3), wherein the spiral tube (9-3) is connected to the connecting tube (9-2); the other end of the spiral tube (9-3) is connected to the second exhaust pipe (9-4); An insulation pipe (9-5), wherein the insulation pipe (9-5) is sleeved on the spiral pipe (9-3), and the insulation pipe (9-5) is fixed to the aging furnace body (1) via a bracket; the No. 1 exhaust pipe (9-1) and the No. 2 exhaust pipe (9-4) are both fixed to the insulation pipe (9-5); A No. 1 air intake pipe (9-6), the No. 1 air intake pipe (9-6) being connected through the right side of the upper end of the ring wall of the insulation pipe (9-5); A second air inlet pipe (9-10), the second air inlet pipe (9-10) is connected to the left side of the lower end of the ring wall of the insulation pipe (9-5); the second air inlet pipe (9-10) is arranged in the aging furnace body (1); A circulation fan (9-11) is fixed to the left side of the inner ring wall of the aging furnace body (1), and the circulation fan (9-11) is connected to an external power supply.

8. A rotary hearth aging furnace equipped with a guide device according to claim 7, characterized in that: A rubber plug (9-7) is provided above the No. 1 air inlet pipe (9-6), a No. 2 connecting rod (9-8) is fixed on both sides of the rubber plug (9-7), the bottom of the No. 2 connecting rod (9-8) is connected to the movable end of an electric push rod (9-9), the electric push rod (9-9) is fixed on the insulation pipe (9-5), and the electric push rod (9-9) is connected to an external power supply.

9. A rotary hearth aging furnace equipped with a guide device according to claim 8, characterized in that: The air outlet end of the No. 2 air inlet pipe (9-10) is arranged at the rear side of the circulation fan (9-11), and a wind cover (9-12) is provided on the air outlet end of the No. 2 air inlet pipe (9-10).

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