Baking machine and flue gas recycling device thereof

Abstract

The invention discloses a ladle baking machine and a flue gas recycling device thereof, and belongs to the field of steel ladle treatment. A ladle baking machine comprises an upper cover plate, a mounting sleeve is mounted on the upper cover plate, and a nozzle is arranged in the lower end of the mounting sleeve; an inverted-cone-shaped shell is fixedly connected to the lower end of the upper cover plate, a combustion-supporting air chamber is formed between the inverted-cone-shaped shell and the installation sleeve, an air inlet pipe is arranged on the upper cover plate and communicates with the combustion-supporting air chamber, and a spraying combustion channel is fixedly connected to the lower end of the inverted-cone-shaped shell. According to the structure that the nozzles at the lower end of the inverted-cone-shaped shell and the lower end of the installation sleeve sink into the steel ladle, the distance between the combustion nozzles at the lower end of the installation sleeve and the bottom of the steel ladle is greatly shortened, a convection heat exchange exhaust channel between the steel ladle and the shell is used for exhausting smoke, meanwhile, the smoke recycling device can secondarily utilize waste heat or smoke, and the heating effect is optimized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ladle processing, in particular to a ladle baking machine and a flue gas recycling device thereof. BACKGROUND

[0002] The ladle baking machine is a key equipment for baking a ladle in the steel and metallurgical industries. Its main function is to remove moisture in the ladle and preheat the lining refractory material by burning to avoid damage to the lining due to a large temperature difference when a cold ladle suddenly contacts high-temperature molten steel, while ensuring the stability of the molten steel temperature and reducing heat loss.

[0003] Currently, the conventional ladle baking machine on the market usually directly installs a gas nozzle on the cover plate. Although it can meet the purpose of heating the ladle, the distance between the gas nozzle and the ladle is certain, and only the high-temperature flue gas generated by burning is used for radiation heat exchange to heat the ladle, which results in a slow heating time of the ladle, affects the implementation of the entire casting process, reduces the overall efficiency, and causes great heat loss after the high-temperature flue gas generated by burning is directly discharged, which is not economical and has low efficiency. SUMMARY

[0004] The present application aims to solve the problems of the prior art, such as the long distance between the gas nozzle of the existing ladle baking machine and the ladle, slow heating, and low efficiency, and provides a ladle baking machine and a flue gas recycling device thereof.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solutions: A ladle baking machine comprises an upper cover plate, a mounting sleeve installed on the upper cover plate, a nozzle arranged in the lower end of the mounting sleeve, a reverse conical shell fixedly connected to the lower end of the upper cover plate, a combustion air chamber formed between the reverse conical shell and the mounting sleeve, an air inlet pipe arranged on the upper cover plate and communicating with the combustion air chamber, a fuel injection channel fixedly connected to the lower end of the reverse conical shell, the fuel injection channel being located below the nozzle at the lower end of the mounting sleeve, the inner wall of the upper end of the fuel injection channel being in a reverse conical structure, and a conical combustion air nozzle arranged between the fuel injection channel and the lower end of the mounting sleeve. When baking the ladle, the reverse conical shell sinks into the interior of the ladle, and a convection heat exchange exhaust channel is formed between the ladle and the reverse conical shell.

[0006] To selectively use coal gas combustion, preferably, a combustion air sleeve is fixedly arranged in the mounting sleeve, a coal gas inlet pipe is fixedly and communicatively arranged on the upper end of the mounting sleeve, a coal gas injection channel is formed between the combustion air sleeve and the mounting sleeve, and a flow guide plate is fixedly connected between the inner wall of the lower end of the mounting sleeve and the outer wall of the combustion air sleeve.

[0007] In order to improve the combustion effect of the nozzle, a natural gas sleeve is fixedly connected to the upper cover plate. The natural gas sleeve is located in the combustion air sleeve. A plurality of natural gas nozzles are fixedly connected to the lower end of the natural gas sleeve. The lower end of the natural gas nozzle is provided with a natural gas nozzle. The natural gas nozzle is located at the lower end of the mounting sleeve and has a conical structure. A combustion air passage is formed between the combustion air sleeve and the natural gas sleeve; An igniter is fixedly connected to the upper cover plate, and the natural gas sleeve is sleeved on the igniter. A guide fan is fixedly connected to the lower end of the igniter, and the guide fan is located at the lower end nozzle of the combustion air channel. The natural gas nozzle is located between the outer wall of the guide fan and the inner wall of the combustion air sleeve. An air intake pipe is fixedly connected to the upper end of the combustion air sleeve, and the air intake pipe is communicated with the combustion-supporting air chamber. The air intake pipe is communicated with the combustion-supporting air chamber.

[0008] In order to adjust the opening size of the air intake pipe 302, further, preferably, a control valve is connected to the air intake pipe.

[0009] In order to increase the high temperature and wear resistance, preferably, the inverted cone shell includes an inner shell, the outer side of the inner shell is sequentially covered with aluminum silicate fiber cotton and lightweight casting material, the lightweight casting material is embedded with a tortoise shell net, and the tortoise shell net is fixedly connected to the inner shell through a connecting piece.

[0010] In order to guide the exhaust smoke to be discharged, preferably, a smoke guide plate is fixedly connected to the outer peripheral end of the upper cover plate.

[0011] A fume recovery device for a bread baking machine includes a ring plate, which is fixedly connected to the outer wall of an inverted conical shell. A guide channel is formed on the ring plate. A guide pipe is fixedly connected to the upper end of the guide channel. A first jet pipe and a second jet pipe are connected to the guide pipe. The first jet pipe faces the inner wall of the ladle, and the second jet pipe faces the outer wall of the inverted conical shell.

[0012] In order to adjust the size of the smoke exhaust channel, preferably, the ring plate is slidably connected with an adjustment slide, the adjustment slide is slidably connected to an adjustment plate with an adjustment hole through an adjustment spring, the adjustment plate is connected with an adjustment wheel through a connecting plate, and the adjustment wheel is against the ladle.

[0013] In order to better heat the outer wall of the inverted conical shell, the ring plate is further provided with an arc-shaped sliding port, an arc-shaped tooth is slidably connected to the arc-shaped sliding port via a telescopic spring, a nozzle is fixedly connected to the arc-shaped tooth, and a plurality of nozzles are provided on the nozzle, and the nozzles are directed toward the outer wall of the inverted conical shell; The guide pipe is rotatably connected to a first rotating shaft and a second rotating shaft, the lower end of the first rotating shaft is fixedly connected to an impeller, the first rotating shaft and the second rotating shaft are connected via a first bevel gear, the ring plate is rotatably connected to a third rotating shaft, the third rotating shaft and the second rotating shaft are connected via a second bevel gear, a half-tooth gear is fixedly connected to the third rotating shaft, the half-tooth gear is engaged with the arc-shaped teeth, and a connecting pipe is connected between the nozzle and the guide pipe.

[0014] Compared with the prior art, the present invention provides a bread baking machine and a fume recovery and utilization device thereof, which have the following beneficial effects: 1. The ladle baking machine and its fume recovery and utilization device have a structure in which the lower end of the inverted conical shell and the nozzle at the lower end of the mounting sleeve are sunk into the interior of the ladle. The distance between the combustion nozzle at the lower end of the mounting sleeve and the bottom of the ladle is shortened, thereby increasing the overall radiation heat of the flame to the ladle, shortening the heating process time during the ladle production process, and improving production efficiency.

[0015] 2. The bun baking machine and its fume recovery and utilization device introduce air through the combustion-supporting air chamber via the air inlet pipe, and fully mix it with the fuel through the conical combustion-supporting nozzle to improve combustion efficiency. The inverted conical shell sinks into the ladle, and the flame directly heats the ladle lining. The convection heat exchange exhaust channel between the ladle and the shell is used to discharge the fume. At the same time, the fume recovery device can reuse the waste heat or fume to optimize the heating effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the three-dimensional cross-sectional structure of the present invention; Figure 3 For the present invention Figure 2 Schematic diagram of the structure at A in the middle; Figure 4 It is a schematic diagram of the cross-sectional structure of the present invention; Figure 5 For the present invention Figure 4 Schematic diagram of the structure at B in the middle; Figure 6 This is a schematic structural diagram of Example 2 of the present invention; Figure 7 For the present invention Figure 6 Schematic diagram of the structure at C in the middle; Figure 8 This is a schematic diagram of the top view of the ring plate structure of the present invention; Figure 9 For the present invention Figure 8 Schematic diagram of the structure at point D in the middle.

[0017] In the figure: 1. Upper cover plate; 2. Inverted cone shell; 3. Air inlet pipe; 4. Gas inlet pipe; 5. Natural gas sleeve; 6. Igniter; 7. Combustion air sleeve; 8. Mounting sleeve; 9. Ladle; 10. Convection heat exchange exhaust channel; 11. Ring plate; 12. Guide channel; 13. Adjustment plate; 14. Guide pipe; 15. First rotating shaft; 16. Impeller; 17. First jet pipe; 18. Second jet pipe; 19. Second rotating shaft; 20. Connecting pipe; 21. Third rotating shaft; 22. Half-tooth gear; 23. Arc teeth; 24. Nozzle; 101. Flue gas guide plate; 201. Injection channel; 202. Aluminum silicate fiber Cotton; 203, lightweight casting material; 204, tortoise shell mesh; 205, connector; 206, inner shell; 301, combustion air chamber; 302, air inlet pipe; 303, combustion air channel; 304, conical combustion nozzle; 305, guide fan; 306, nozzle; 3021, control valve; 401, gas injection channel; 402, guide plate; 501, natural gas nozzle; 502, natural gas nozzle; 1101, adjustment slide; 1102, arc slide; 1301, adjustment hole; 1302, adjustment spring; 1303, connecting plate; 1304, adjustment wheel; 2301, telescopic spring; 2401, nozzle. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] Example 1: Reference Figure 1 、 Figure 2 and Figure 4 A ladle baking machine includes an upper cover 1. The upper cover 1 of the ladle baking machine is made of reinforced steel plate reinforced with reinforced profiles. Insulation material is applied on the upper cover 1 for heat insulation treatment to prevent burns to operators during operation or temporary inspections; lifting ears are installed on the upper cover 1 to facilitate the process operation requirements of heating the ladle. A flue gas deflector 101 is fixedly connected to the outer peripheral end of the upper cover 1. At the same time, a flue gas deflector 101 of the smoke exhaust port is provided on the upper cover 1 to prevent high-temperature flue gas from causing harm to operators and surrounding equipment.

[0020] Reference Figure 2 、 Figure 3 and Figure 4, a mounting sleeve 8 is installed on the upper cover plate 1, and a nozzle is provided in the lower end of the mounting sleeve 8; the lower end of the upper cover plate 1 is fixedly connected to an inverted conical shell 2, and a combustion-supporting air chamber 301 is formed between the inverted conical shell 2 and the mounting sleeve 8, an air inlet pipe 3 is provided on the upper cover plate 1, and the air inlet pipe 3 is connected to the combustion-supporting air chamber 301, and the lower end of the inverted conical shell 2 is fixedly connected to a combustion channel 201, and the combustion channel 201 is made of corundum refractory casting material, and the shell is provided with a stable steel on the side of the smoke exhaust port. Jade refractory castable plays a role in fire-resistant, wear-resistant and heat-insulating measures, resists erosion and prolongs the life of the shell; the combustion channel 201 is located below the nozzle at the lower end of the mounting sleeve 8, and the inner wall of the upper end of the combustion channel 201 is an inverted cone structure, and a conical combustion-supporting nozzle 304 is provided between the combustion channel 201 and the lower end of the mounting sleeve 8; and the conical combustion-supporting nozzle 304 of the nozzle structure at the lower end of the mounting sleeve 8 is beneficial to the overall uniform heating of the ladle, avoiding damage to the refractory material and steel of the ladle due to local high temperature.

[0021] The upper cover plate 1 is sealed and welded to the inverted conical shell 2. A cavity of a certain volume is formed inside the inverted conical shell 2 from the upper cover plate 1 to the bottom, namely the combustion-supporting air chamber 301, which carries the combustion-supporting air input from the outside and exchanges heat with the exhaust gas at the same time to heat the combustion-supporting air.

[0022] Reference Figure 4 When baking the ladle, the inverted conical shell 2 sinks into the interior of the ladle 9, and a convection heat exchange exhaust channel 10 is formed between the ladle 9 and the inverted conical shell 2; the structure in which the nozzle at the lower end of the inverted conical shell 2 and the lower end of the mounting sleeve 8 are sunk into the interior of the ladle 9 is adopted, and the distance between the combustion nozzle at the lower end of the mounting sleeve 8 and the bottom of the ladle is shortened, so that the overall radiation heat of the flame to the ladle is increased, the heating process time during the ladle production process is shortened, and the production efficiency is improved; the normal temperature cooling air enters the combustion-supporting air chamber 301 through the air inlet pipe 3, and the high-temperature flue gas discharged from the exhaust port is heated by the convection heat exchange exhaust channel 10. The heated wall of the inverted conical shell 2 exchanges heat with the normal temperature cooling air of the combustion-supporting air chamber 301, and absorbs the exhaust heat to a certain extent, thereby achieving the effect of heating the combustion-supporting air, and improving the combustion efficiency and energy utilization rate.

[0023] Reference Figure 2 and Figure 3 A combustion air sleeve 7 is fixedly provided in the mounting sleeve 8, and a gas inlet pipe 4 is fixedly connected to the upper end of the mounting sleeve 8. A gas injection channel 401 is formed between the combustion air sleeve 7 and the mounting sleeve 8. A guide plate 402 is fixedly connected between the inner wall of the lower end of the mounting sleeve 8 and the outer wall of the combustion air sleeve 7. The gas source is used as the combustion material to spray and burn the baking bag.

[0024] Reference Figure 2 and Figure 3A natural gas sleeve 5 is fixedly connected to the upper cover plate 1. The natural gas sleeve 5 is located in the combustion air sleeve 7. A plurality of natural gas nozzles 501 are fixedly connected to the lower end of the natural gas sleeve 5. A natural gas nozzle 502 is provided at the lower end of the natural gas nozzle 501. The natural gas nozzle 502 is located at the lower end of the mounting sleeve 8. The natural gas nozzle 502 has a conical structure. Reference Figure 2 and Figure 3 A combustion air channel 303 is formed between the combustion air sleeve 7 and the natural gas sleeve 5; a certain space exists between the upper cover plate 1 and the bottom nozzle mounting sleeve 8 and also serves as a combustion air chamber.

[0025] Reference Figure 3 The upper cover plate 1 is fixedly connected to the igniter 6, and the natural gas sleeve 5 is sleeved on the igniter 6. The lower end of the igniter 6 is fixedly connected to the guide fan 305, and the guide fan 305 is located at the lower end nozzle 306 of the combustion air channel 303. The natural gas nozzle 502 is located between the outer wall of the guide fan 305 and the inner wall of the combustion air sleeve 7; the burner nozzle design enhances the mixing of the incoming gas and the combustion-supporting air entering the combustion-supporting air chamber, so that the combustion-supporting air and the fuel are fully stirred and mixed, thereby improving the combustion efficiency. In order to maintain the stability of the flame at the root of the combustion and prevent the high-temperature flue gas from flowing back to the burner, a combustion air channel 303 and a guide fan 305 are provided, and secondary air is sprayed obliquely toward the central axis, which not only stabilizes the fire source, but also effectively avoids the phenomenon of burner flameout caused by backflow.

[0026] Reference Figure 1 and Figure 2 The upper end of the combustion air sleeve 7 is fixedly connected to an air intake pipe 302, which is connected to the combustion-supporting air chamber 301; the air intake pipe 302 is connected to a control valve 3021, and the combustion-supporting air in the combustion air sleeve 7 can be introduced into the air in the combustion-supporting air chamber 301 through the air intake pipe 302.

[0027] Reference Figure 4 and Figure 5 The inverted conical shell 2 includes an inner shell 206, and the outer side of the inner shell 206 is sequentially covered with aluminum silicate fiber cotton 202 and lightweight casting material 203, and the lightweight casting material 203 is embedded with a tortoise shell mesh 204. The tortoise shell mesh 204 is fixedly connected to the inner shell 206 through a connecting piece 205, and the surface of the inverted conical shell 2 of the baking bag device is provided with refractory cotton of aluminum silicate fiber cotton 202 and the lightweight casting material 203 refractory material is cast with a tortoise shell mesh structure, which greatly increases the shell's resistance to high-temperature flue gas wear and erosion, and extends the service life of the shell.

[0028] Example 2: Reference Figure 6 and Figure 7The application discloses a flue gas recycling device of a ladle baking machine, which is installed on the outer wall of the inverted conical shell 2 of the ladle baking machine according to actual production requirements, and comprises a ring plate 11 fixedly connected to the outer wall of the inverted conical shell 2, a flow guide channel 12 formed in the ring plate 11, a flow guide pipe 14 fixedly connected to the upper end of the flow guide channel 12, a first jet pipe 17 and a second jet pipe 18 connected to the flow guide pipe 14, wherein the first jet pipe 17 faces the inner wall of the ladle 9, and the second jet pipe 18 faces the outer wall of the inverted conical shell 2; the ring plate 11 provided with the flow guide channel 12 is arranged in the convection heat exchange exhaust channel 10 between the ladle 9 and the inverted conical shell 2, and the heated high-temperature flue gas is guided to the outer wall of the inverted conical shell 2 and the inner wall of the ladle 9 through the first jet pipe 17 and the second jet pipe 18, so that the outer wall of the inverted conical shell 2 can be better heated, and the inner wall of the ladle 9 can be better heated.

[0029] With reference to Figure 7 、 Figure 8 and Figure 9 , an adjusting sliding port 1101 is slidably connected to the ring plate 11, the adjusting sliding port 1101 is slidably connected to an adjusting plate 13 provided with an adjusting hole 1301 through an adjusting spring 1302, the adjusting plate 13 is connected to an adjusting wheel 1304 through a connecting plate 1303, the adjusting wheel 1304 abuts against the ladle 9, and the distance between the adjusting nozzle and the bottom wall of the ladle 9 needs to be adjusted when the inverted conical shell 2 needs to be sunk to different heights; since the inverted conical structure is adopted, the channel of the gas injection channel 401 becomes smaller and smaller from top to bottom, and the opening size of the adjusting hole 1301 and the adjusting sliding port 1101 is adjusted by pushing the adjusting plate 13 through the adjusting wheel 1304, so that the high-temperature flue gas can be discharged.

[0030] With reference to Figure 7 、 Figure 8 and Figure 9 , an arc-shaped sliding port 1102 is formed in the ring plate 11, an arc-shaped tooth 23 is slidably connected to the arc-shaped sliding port 1102 through a telescopic spring 2301, a jet pipe 24 is fixedly connected to the arc-shaped tooth 23, a plurality of nozzles 2401 are arranged on the jet pipe 24, and the nozzles 2401 face the outer wall of the inverted conical shell 2; the jet pipe 24 is arranged close to the outer wall of the inverted conical shell 2, and the high-speed flue gas is sprayed towards the outer wall of the inverted conical shell 2 through the nozzles 2401, so that the heating effect can be effectively improved.

[0031] The guide pipe 14 is rotatably connected to the first rotating shaft 15 and the second rotating shaft 19, and the lower end of the first rotating shaft 15 is fixedly connected to the impeller 16. The first rotating shaft 15 and the second rotating shaft 19 are connected by a first bevel gear. The ring plate 11 is rotatably connected to the third rotating shaft 21, and the third rotating shaft 21 is connected to the second rotating shaft 19 by a second bevel gear. The third rotating shaft 21 is fixedly connected to the half-tooth gear 22, and the half-tooth gear 22 is meshed with the arc teeth 23. A connecting pipe 20 is connected between the nozzle 24 and the guide pipe 14. In order to be able to spray the outer wall of the inverted cone shell 2 in all directions, the ejected flue gas drives the impeller 16 to rotate, and the impeller 16 drives the half-tooth gear 22 to rotate through the bevel gear transmission mechanism, and the half-tooth gear 22 rotates and meshes with the arc teeth 23 to realize that the arc teeth 23 drives the nozzle 24 to spray back and forth, thereby improving the heating effect.

[0032] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A bread baking machine, characterized in that: The utility model comprises an upper cover plate (1), a mounting sleeve (8) is mounted on the upper cover plate (1), and a nozzle is arranged in the lower end of the mounting sleeve (8); the lower end of the upper cover plate (1) is fixedly connected to an inverted conical shell (2), a combustion-supporting air chamber (301) is formed between the inverted conical shell (2) and the mounting sleeve (8), an air inlet pipe (3) is arranged on the upper cover plate (1), the air inlet pipe (3) is communicated with the combustion-supporting air chamber (301), a combustion channel (201) is fixedly connected to the lower end of the inverted conical shell (2), the combustion channel (201) is located below the nozzle at the lower end of the mounting sleeve (8), the inner wall of the upper end of the combustion channel (201) is in an inverted conical structure, and a conical combustion-supporting nozzle (304) is arranged between the combustion channel (201) and the lower end of the mounting sleeve (8); When baking the ladle, the inverted conical shell (2) sinks into the interior of the ladle (9), and a convection heat exchange exhaust channel (10) is formed between the ladle (9) and the inverted conical shell (2).

2. A bread baking machine according to claim 1, characterized in that: A combustion air sleeve (7) is fixedly provided inside the mounting sleeve (8), a gas inlet pipe (4) is fixedly connected to the upper end of the mounting sleeve (8), a gas injection channel (401) is formed between the combustion air sleeve (7) and the mounting sleeve (8), and a guide plate (402) is fixedly connected between the inner wall of the lower end of the mounting sleeve (8) and the outer wall of the combustion air sleeve (7).

3. A bread baking machine according to claim 2, characterized in that: A natural gas sleeve (5) is fixedly connected to the upper cover plate (1), the natural gas sleeve (5) is located in the combustion air sleeve (7), a plurality of natural gas nozzles (501) are fixedly connected to the lower end of the natural gas sleeve (5), a natural gas nozzle (502) is provided at the lower end of the natural gas nozzle (501), the natural gas nozzle (502) is located at the lower end of the mounting sleeve (8), and the natural gas nozzle (502) has a conical structure; A combustion air passage (303) is formed between the combustion air sleeve (7) and the natural gas sleeve (5); An igniter (6) is fixedly connected to the upper cover plate (1), the natural gas sleeve (5) is sleeved on the igniter (6), and a guide fan (305) is fixedly connected to the lower end of the igniter (6). The guide fan (305) is located at the lower end nozzle (306) of the combustion air channel (303), and the natural gas nozzle (502) is located between the outer wall of the guide fan (305) and the inner wall of the combustion air sleeve (7).

4. A bread baking machine according to claim 3, characterized in that: An air inlet pipe (302) is fixedly connected to the upper end of the combustion air sleeve (7), and the air inlet pipe (302) is in communication with the combustion-supporting air chamber (301).

5. The bread baking machine according to claim 4, characterized in that: The air inlet pipe (302) is connected to a control valve (3021).

6. The bread baking machine according to claim 1, characterized in that: The inverted conical shell (2) comprises an inner shell (206), the outer side of the inner shell (206) is covered with aluminum silicate fiber cotton (202) and lightweight casting material (203) in sequence, the lightweight casting material (203) is embedded with a tortoise shell net (204), and the tortoise shell net (204) is fixedly connected to the inner shell (206) via a connecting piece (205).

7. The bread baking machine according to claim 1, characterized in that: A smoke guide plate (101) is fixedly connected to the outer peripheral end of the upper cover plate (1).

8. A fume recovery device for the bread baking machine according to claim 1, characterized in that: The invention comprises a ring plate (11), wherein the ring plate (11) is fixedly connected to the outer wall of the inverted conical shell (2), a guide channel (12) is opened on the ring plate (11), a guide pipe (14) is fixedly connected to the upper end of the guide channel (12), and a first jet pipe (17) and a second jet pipe (18) are connected to the guide pipe (14), wherein the first jet pipe (17) faces the inner wall of the ladle (9), and the second jet pipe (18) faces the outer wall of the inverted conical shell (2).

9. The flue gas recovery and utilization device according to claim 8, characterized in that: An adjustment slide (1101) is slidably connected to the ring plate (11), and the adjustment slide (1101) is slidably connected to an adjustment plate (13) with an adjustment hole (1301) via an adjustment spring (1302). An adjustment wheel (1304) is connected to the adjustment plate (13) via a connecting plate (1303), and the adjustment wheel (1304) is in contact with the ladle (9).

10. The flue gas recovery and utilization device according to claim 8 or 9, characterized in that: An arc-shaped sliding opening (1102) is provided on the ring plate (11), an arc-shaped tooth (23) is slidably connected to the arc-shaped sliding opening (1102) via a telescopic spring (2301), a nozzle (24) is fixedly connected to the arc-shaped tooth (23), and a plurality of nozzles (2401) are provided on the nozzle (24), and the nozzles (2401) face the outer wall of the inverted conical shell (2); The guide tube (14) is rotatably connected to a first rotating shaft (15) and a second rotating shaft (19); the lower end of the first rotating shaft (15) is fixedly connected to an impeller (16); the first rotating shaft (15) and the second rotating shaft (19) are connected via a first bevel gear transmission; the ring plate (11) is rotatably connected to a third rotating shaft (21); the third rotating shaft (21) and the second rotating shaft (19) are connected via a second bevel gear transmission; a half-tooth gear (22) is fixedly connected to the third rotating shaft (21); the half-tooth gear (22) is meshed with the arc-shaped teeth (23); a connecting pipe (20) is connected between the nozzle (24) and the guide tube (14).

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