Anti-pollution continuous and stable feeding device for powder spheroidization production

By designing a pollution-proof continuous and stable feeding device including feed tank, cavity, cleaning component, drying component, discharge pipe, stabilizing component, continuous conveying component, discharge pipe, slag discharge valve and discharge valve, the problem of powder raw material pollution caused by the lack of self-cleaning capacity of the existing feeding device is solved, and the continuous and stable feeding and production quality of the feeding device are guaranteed.

CN222555843UActive Publication Date: 2025-03-04SHANDONG MAITRIAO MATERIAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421312946.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-09
Publication Date
2025-03-04
Estimated Expiration
2034-06-09

AI Technical Summary

Technical Problem

The feeding device used in the existing powder spherical production and processing lacks self-cleaning ability, resulting in the feeding device being uncleaned or not thoroughly cleaned for a long time, causing pollution of powder raw materials, affecting production quality, and the feeding device cannot achieve continuous and stable feeding.

Method used

An anti-pollution continuous and stable feeding device including a feed tank, a cavity, a cleaning assembly, a drying assembly, a discharge pipe, a stabilizing assembly, a continuous conveying assembly, a discharge pipe, a slag discharge valve and a discharge valve are designed. The device realizes automatic cleaning of the feed tank and discharge pipe through the combination of cleaning water and high-pressure air, and heat and dry the feed tank through the drying component to ensure the continuous and stable feeding process.

Benefits of technology

It effectively avoids powder raw material pollution caused by the long-term uncleanness or incomplete cleaning of the feeding device, ensures the quality of subsequent powder spherical production, and realizes continuous and stable feeding of the feeding device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-pollution continuous stable feeding device for powder spheroidization production, which belongs to the technical field of powder spheroidization production feeding, and adopts the technical scheme that the anti-pollution continuous stable feeding device comprises a feeding tank, a cavity is formed in the inner side of the feeding tank, a cleaning component is arranged on the outer side of the feeding tank, a drying component is arranged in the cavity, and the drying component is arranged in the cavity. By arranging a feeding tank, a cavity, a cleaning assembly, a drying assembly, a discharging pipe, a stable discharging assembly, a continuous conveying assembly, a discharging pipe, a slag discharging valve and a discharging valve, when the feeding tank is used, a connecting valve located on the rear side of the feeding tank is firstly connected with a cleaning water pipe of the feeding tank and is opened, so that cleaning water enters a ring pipe on the outer side of the feeding tank, and the cleaning water enters the ring pipe; and then the interior of the feeding tank is flushed through a spray head communicated with the inner side of the annular pipe, so that residual powder raw materials adhered to the interior of the feeding tank are flushed away, and then sewage enters the interior of the discharging pipe to be flushed.
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Description

Technical Field

[0001] The utility model relates to the technical field of powder spherical production and feeding, in particular to an anti-pollution continuous and stable feeding device for powder spherical production. Background Art

[0002] In the integration of science and technology and industry, spherical powder shaping technology is emerging. Compared with ordinary powders, spherical powders have smaller particle sizes and are evenly distributed, with regular surface morphology and significantly increased packing density. This can greatly improve the fluidity and dispersibility of powders, eliminate the effects of agglomeration to the greatest extent, and improve the defects inside the powders. Since spherical powders have more excellent performance, they are widely used in new science and technology, new technologies, and new products.

[0003] The feeding device used in the existing powder spheroidization production and processing is only used for storing and feeding the powder raw materials. The feeding device does not have the ability of self-cleaning, which may easily lead to the feeding device not being cleaned for a long time or not being cleaned thoroughly, causing the powder raw materials to adhere to the inside and breed bacteria, thereby causing contamination of the subsequently added powder raw materials, thereby affecting the quality of the subsequent powder spheroidization production, and the feeding device cannot be used for continuous and stable feeding. Therefore, an anti-pollution continuous and stable feeding device for powder spheroidization production is proposed to solve the above-mentioned problems. Utility Model Content

[0004] The utility model provides an anti-pollution continuous and stable feeding device for powder spheroidization production, aiming to solve the problem that the feeding device used in the existing powder spheroidization production and processing is only used for storing and feeding the powder raw materials, and the feeding device does not have the ability of self-cleaning, which easily leads to the feeding device not being cleaned for a long time or not being cleaned thoroughly, so that the powder raw materials adhere to the inside and breed bacteria, thereby causing contamination of the powder raw materials added subsequently, thereby affecting the quality of the subsequent powder spheroidization production, and the feeding device cannot be used for continuous and stable feeding.

[0005] The utility model is implemented as follows: a pollution-proof continuous and stable feeding device for powder spheroidization production comprises a feeding tank, a cavity is opened on the inner side of the feeding tank, a cleaning component is arranged on the outer side of the feeding tank, a drying component is arranged inside the cavity, a discharge pipe is connected to the bottom of the feeding tank, a stable discharge component is arranged inside the feeding tank and the discharge pipe, a continuous conveying component is arranged inside the discharge pipe, a discharge pipe is connected to the right side of the bottom of the discharge pipe, a slag discharge valve is connected to the right side of the discharge pipe, and a discharge valve is connected to the bottom of the slag discharge valve;

[0006] The cleaning assembly includes a ring tube, a nozzle and a connecting valve. The ring tube is bolted to the top of the outside of the supply tank, and the nozzle is connected to the inner side of the ring tube. The inner side of the ring tube passes through the outside of the supply tank and the inside of the cavity in sequence. The nozzle is located inside the supply tank, and the nozzle is inclined downward at an angle of 25 degrees. The connecting valve is connected to the back side of the ring tube.

[0007] In order to achieve the effect of heating and drying the inside of the feed tank, as a preferred anti-pollution continuous and stable feeding device for powder spheroidization production of the utility model, the drying component includes an electric heating tube, a fixed plate and a controller, the electric heating tube is arranged inside the cavity, the fixed plate is bolted to the front side of the feed tank, the controller is bolted to the front side of the fixed plate, and the controller is electrically connected to the electric heating tube.

[0008] In order to achieve the effect of continuously rotating and discharging the powder raw materials added to the inside of the feed tank, as a preferred pollution-proof continuous and stable feeding device for powder spheroidization production of the utility model, the stabilizing assembly includes a first motor, a shaft rod and a threaded cone rod, the first motor is bolted to the left side of the bottom of the discharge pipe, the output end of the first motor passes through the bottom of the discharge pipe, the bottom of the shaft rod is bolted to the output end of the first motor, and the threaded cone rod is fixedly connected to the bottom of the outer side of the shaft rod.

[0009] In order to achieve the effect of continuously and stably conveying the powder raw materials, as a preferred anti-pollution continuous and stable feeding device for powder spheroidization production of the utility model, the continuous conveying component includes a second motor and a spiral conveying blade, the second motor is bolted to the right side of the discharge pipe, the output end of the second motor passes through the right side of the discharge pipe, and the right side of the spiral conveying blade is bolted to the output end of the second motor.

[0010] In order to achieve the effect of closed use when the feed tank is not in use or is being cleaned, as a preferred anti-pollution continuous and stable feeding device for powder spheroidization production of the utility model, the top of the feed tank is provided with a closing cover, and the front and rear sides of the top of the closing cover are bolted with handles.

[0011] In order to achieve the effect of supporting the discharge pipe so as to facilitate the transportation of powder raw materials during processing, as a preferred pollution-proof continuous and stable feeding device for powder spheroidization production of the utility model, brackets are bolted on both sides of the bottom of the discharge pipe, and mounting holes are opened on the front and rear sides of the top of the bracket.

[0012] In order to achieve the effect of further stirring the powder raw materials inside the feed tank, as a preferred anti-pollution continuous and stable feeding device for powder spheroidization production of the utility model, the top of the outer side of the shaft is bolted with a fixed sleeve, and stirring rods are fixedly connected on both sides of the fixed sleeve.

[0013] In order to achieve the effect of diverting the powder raw material when the stirring rod stirs it, as a preferred anti-pollution continuous and stable feeding device for powder spheroidization production of the utility model, the surface of the stirring rod is provided with a diverter hole, and the diverter hole is in the shape of a circular hole groove.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The pollution-proof continuous and stable feeding device for powder spheroidization production is provided with a feeding tank, a cavity, a cleaning component, a drying component, a discharge pipe, a stabilizing discharge component, a continuous conveying component, a discharge pipe, a slag discharge valve and a discharge valve. When the feeding tank is used, the connecting valve located at the rear side of the feeding tank is first connected to the cleaning water pipe and opened, so that the cleaning water enters the annular pipe outside the feeding tank, and then flushes the inside of the feeding tank through the nozzle connected to the inside of the annular pipe, so as to flush away the powder raw materials remaining and adhering to the inside of the feeding tank, and then the sewage enters the inside of the discharge pipe for flushing, and then is discharged by opening the slag discharge valve on the right side of the discharge pipe. In this process, the stabilizing discharge component inside the feeding tank and the continuous conveying component inside the discharge pipe are all flushed. After flushing, the connecting valve is used to connect the high-pressure air to the outside, so that the high-pressure air is blown into the feeding tank through the annular pipe and the nozzle. Then it is discharged through the discharge pipe, the discharge pipe and the slag discharge valve, so that the water droplets in the feed tank and the discharge pipe are discharged faster, and at the same time, the drying component located inside the cavity is energized to generate heat to heat and dry the feed tank, so as to cooperate with each other to achieve automatic cleaning of the inside of the feed tank, thereby avoiding the situation where the feed tank is not cleaned for a long time or is not cleaned thoroughly, causing the powder raw materials to adhere to the inside and breed bacteria, thereby ensuring the quality of subsequent powder spherical production, and then the powder raw materials are added to the feed tank. During this process, the stable discharge component rotates continuously at the start, so that the powder raw materials on the bottom side of the feed tank are stably discharged under continuous rotation, and then the powder raw materials entering the discharge pipe are continuously and stably transported to the position of the discharge pipe through the continuous conveying component, and finally discharged through the opened discharge valve for feeding use, so as to facilitate use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the overall structure diagram of the pollution-proof continuous and stable feeding device for powder spheroidization production of the utility model;

[0017] Figure 2It is a structural schematic diagram of the feed tank in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the cleaning component in the utility model;

[0019] Figure 4 It is a structural schematic diagram of the drying component in the utility model;

[0020] Figure 5 It is a structural schematic diagram of the stable row assembly in the utility model;

[0021] Figure 6 It is a structural schematic diagram of the continuous transmission component in the utility model.

[0022] In the figure, 1. feed tank; 2. cavity; 3. cleaning component; 301. annular pipe; 302. nozzle; 303. connecting valve; 4. drying component; 401. electric heating tube; 402. fixing plate; 403. controller; 5. discharge pipe; 6. stabilizing assembly; 601. first motor; 602. shaft rod; 603. threaded cone rod; 7. continuous conveying assembly; 701. second motor; 702. spiral conveying blade; 8. discharge pipe; 9. slag discharge valve; 10. discharge valve; 11. closing cover; 12. handle; 13. bracket; 14. fixing sleeve; 15. stirring rod; 16. diversion hole. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0025] See also Figure 1-6The utility model provides a technical solution: a pollution-proof continuous and stable feeding device for powder spheroidization production, comprising a feeding tank 1, a cavity 2 is opened on the inner side of the feeding tank 1, a cleaning component 3 is arranged on the outer side of the feeding tank 1, a drying component 4 is arranged inside the cavity 2, a discharge pipe 5 is connected to the bottom of the feeding tank 1, a stable discharge component 6 is arranged inside the feeding tank 1 and the discharge pipe 5, a continuous conveying component 7 is arranged inside the discharge pipe 5, a discharge pipe 8 is connected to the right side of the bottom of the discharge pipe 5, a slag discharge valve 9 is connected to the right side of the discharge pipe 8, and a discharge valve 10 is connected to the bottom of the slag discharge valve 9;

[0026] The cleaning component 3 includes an annular tube 301, a nozzle 302 and a connecting valve 303. The annular tube 301 is bolted to the top of the outer side of the supply tank 1, and the nozzle 302 is connected to the inner side of the annular tube 301. The inner side of the annular tube 301 passes through the outer side of the supply tank 1 and the interior of the cavity 2 in sequence. The nozzle 302 is located inside the supply tank 1, and the nozzle 302 is inclined downward at an angle of 25 degrees. The connecting valve 303 is connected to the rear side of the annular tube 301.

[0027] In this embodiment: by setting a feed tank 1, a cavity 2, a cleaning component 3, a drying component 4, a discharge pipe 5, a stabilizing assembly 6, a continuous conveying assembly 7, a discharge pipe 8, a slag discharge valve 9 and a discharge valve 10, when using the feed tank 1, the connecting valve 303 located at the rear side of the feed tank 1 is first connected to the cleaning water pipe and opened, so that the cleaning water enters the annular pipe 301 outside the feed tank 1, and then passes through the nozzle 302 connected to the inner side of the annular pipe 301 to flush the inside of the feed tank 1, so as to flush away the residual adhering powder raw materials inside the feed tank 1, and then the sewage enters the inside of the discharge pipe 5 for flushing, and then is discharged by opening the slag discharge valve 9 on the right side of the discharge pipe 8. In this process, the stabilizing assembly 6 inside the feed tank 1 and the continuous conveying assembly 7 inside the discharge pipe 5 are flushed. After flushing, the connecting valve 303 is used to connect the high-pressure air to the outside, so that the high-pressure air is blown into the feed tank 1 through the annular pipe 301 and the nozzle 302. The powdery substance in the feed tank 1 is discharged through the discharge pipe 5, the discharge pipe 8 and the slag discharge valve 9, so that the water droplets in the feed tank 1 and the discharge pipe 5 are discharged faster. At the same time, the drying component 4 located inside the cavity 2 is energized to generate heat for heating and drying the feed tank 1, so as to cooperate with each other to realize automatic cleaning of the inside of the feed tank 1, thereby avoiding the situation that the feed tank 1 is not cleaned for a long time or is not cleaned thoroughly, so that the powdery raw materials adhere to the inside and breed bacteria, thereby ensuring the quality of subsequent powder spheroidization production, and then adding the powdery raw materials into the feed tank 1. In this process, the stable discharge component 6 is continuously rotated at the start, so that the powdery raw materials on the bottom side of the feed tank 1 are stably discharged under continuous rotation, and then the powdery raw materials entering the discharge pipe 5 are continuously and stably transported to the position of the discharge pipe 8 through the continuous conveying component 7, and finally discharged through the opened discharge valve 10 for feeding use, so as to facilitate use.

[0028] As a technical optimization solution of the utility model, the drying component 4 includes an electric heating tube 401, a fixed plate 402 and a controller 403. The electric heating tube 401 is arranged inside the cavity 2, the fixed plate 402 is bolted to the front side of the supply tank 1, the controller 403 is bolted to the front side of the fixed plate 402, and the controller 403 is electrically connected to the electric heating tube 401.

[0029] In this embodiment: an electric heating tube 401, a fixing plate 402 and a controller 403 are provided, and the controller 403 on the front side of the fixing plate 402 is controlled to energize the electric heating tube 401 located inside the cavity 2, so that the electric heating tube 401 generates heat to heat and dry the feed tank 1, thereby cooperating with each other to realize automatic cleaning of the inside of the feed tank 1.

[0030] As a technical optimization solution of the utility model, the stabilizing assembly 6 includes a first motor 601, a shaft rod 602 and a threaded tapered rod 603. The first motor 601 is bolted to the left side of the bottom of the discharge pipe 5, the output end of the first motor 601 passes through the bottom of the discharge pipe 5, the bottom of the shaft rod 602 is bolted to the output end of the first motor 601, and the threaded tapered rod 603 is fixedly connected to the bottom of the outer side of the shaft rod 602.

[0031] In this embodiment: by setting up a first motor 601, a shaft 602 and a threaded cone rod 603, the powder raw material is added into the supply tank 1. In this process, the first motor 601 starts to drive the shaft 602 and the threaded cone rod 603 to continuously rotate at the bottom side of the supply tank 1, so that the powder raw material at the bottom side of the supply tank 1 can be stably discharged under continuous rotation.

[0032] As a technical optimization solution of the utility model, the continuous conveying component 7 includes a second motor 701 and a spiral conveying blade 702. The second motor 701 is bolted to the right side of the discharge pipe 5. The output end of the second motor 701 passes through the right side of the discharge pipe 5. The right side of the spiral conveying blade 702 is bolted to the output end of the second motor 701.

[0033] In this embodiment: by setting up a second motor 701 and a spiral conveying blade 702, when the powder raw material enters the discharge pipe 5, the second motor 701 after starting drives the spiral conveying blade 702 to rotate the powder raw material to the position of its discharge pipe 8 for continuous and stable transportation, and finally discharged through the opened discharge valve 10 for feeding use, so as to facilitate use.

[0034] As a technical optimization solution of the utility model, a closing cover 11 is arranged on the top of the feed tank 1 , and handles 12 are bolted to the front and rear sides of the top of the closing cover 11 .

[0035] In this embodiment, by providing a closing cover 11 and a handle 12, the supply tank 1 can be closed when not in use or being cleaned, so as to facilitate use.

[0036] As a technical optimization solution of the present invention, brackets 13 are bolted to both sides of the bottom of the discharge pipe 5 , and mounting holes are provided on the front and rear sides of the top of the bracket 13 .

[0037] In this embodiment, by providing a bracket 13, the discharge pipe 5 can be supported to facilitate the use of the powdered raw material during processing.

[0038] As a technical optimization solution of the present invention, a fixing sleeve 14 is bolted to the top of the outer side of the shaft rod 602 , and stirring rods 15 are fixedly connected to both sides of the fixing sleeve 14 .

[0039] In this embodiment, by providing the fixing sleeve 14 and the stirring rod 15, the powder material inside the feed tank 1 can be further stirred for use, so as to facilitate use.

[0040] As a technical optimization solution of the present invention, a diversion hole 16 is opened on the surface of the stirring rod 15, and the diversion hole 16 is in the shape of a circular hole groove.

[0041] In this embodiment, by providing the diversion hole 16, the effect of diversion can be achieved when the stirring rod 15 stirs the powder raw material, so as to facilitate use.

[0042] Working principle: First, connect the connecting valve 303 located at the rear side of the feed tank 1 to the cleaning water pipe and open it, so that the cleaning water enters the annular pipe 301 outside the feed tank 1, and then flushes the inside of the feed tank 1 through the nozzle 302 connected to the inside of the annular pipe 301, so as to flush away the residual adhering powder raw materials inside the feed tank 1, and then the sewage enters the inside of the discharge pipe 5 for flushing, and then is discharged through the slag discharge valve 9 on the right side of the discharge pipe 8. In this process, the stable discharge component 6 inside the feed tank 1 and the continuous conveying component 7 inside the discharge pipe 5 are flushed. After flushing, the connecting valve 303 is used to connect high-pressure air, so that the high-pressure air is blown into the feed tank 1 through the annular pipe 301 and the nozzle 302, and then is discharged through the discharge pipe 5, the discharge pipe 8 and the slag discharge valve 9, so that the feed tank 1 and the discharge pipe 5 are clean. The water droplets are discharged faster, and at the same time, the controller 403 on the front side of the fixed plate 402 is energized to power the electric heating tube 401 located inside the cavity 2, so that the electric heating tube 401 generates heat to heat and dry the feed tank 1, thereby cooperating with each other to achieve automatic cleaning of the inside of the feed tank 1, and then the powder raw material is added to the feed tank 1. In this process, the first motor 601 that is started drives the shaft 602 and the threaded cone rod 603 to rotate continuously on the bottom side of the feed tank 1, so that the powder raw material on the bottom side of the feed tank 1 can be stably discharged under continuous rotation. When the powder raw material enters the discharge pipe 5, the second motor 701 that is started drives the spiral conveying blade 702 to rotate the powder raw material to the position of the discharge pipe 8 for continuous, stable and continuous conveying, and finally the powder raw material is discharged through the opened discharge valve 10 for feeding use, so as to facilitate use.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pollution-free, continuous and stable feeding device for powder spheroidization production, comprising a feeding tank (1), characterized in that: A cavity (2) is provided on the inner side of the feed tank (1), a cleaning component (3) is provided on the outer side of the feed tank (1), a drying component (4) is provided inside the cavity (2), a discharge pipe (5) is connected to the bottom of the feed tank (1), a stabilizing discharge component (6) is provided inside the feed tank (1) and the discharge pipe (5), a continuous conveying component (7) is provided inside the discharge pipe (5), a discharge pipe (8) is connected to the right side of the bottom of the discharge pipe (5), a slag discharge valve (9) is connected to the right side of the discharge pipe (8), and a discharge valve (10) is connected to the bottom of the slag discharge valve (9); The cleaning assembly (3) comprises an annular tube (301), a nozzle (302) and a connecting valve (303); the annular tube (301) is bolted to the top of the outer side of the supply tank (1); the nozzle (302) is connected to the inner side of the annular tube (301); the inner side of the annular tube (301) passes through the outer side of the supply tank (1) and the interior of the cavity (2) in sequence; the nozzle (302) is located inside the supply tank (1); the nozzle (302) is inclined downward at an angle of 25 degrees; and the connecting valve (303) is connected to the rear side of the annular tube (301).

2. The anti-pollution continuous and stable feeding device for powder spheroidization production according to claim 1, characterized in that: The drying component (4) comprises an electric heating tube (401), a fixing plate (402) and a controller (403); the electric heating tube (401) is arranged inside the cavity (2); the fixing plate (402) is bolted to the front side of the supply tank (1); the controller (403) is bolted to the front side of the fixing plate (402); and the controller (403) is electrically connected to the electric heating tube (401).

3. The anti-pollution continuous and stable feeding device for powder spheroidization production according to claim 1, characterized in that: The stabilizing assembly (6) includes a first motor (601), a shaft (602) and a threaded tapered rod (603), wherein the first motor (601) is bolted to the left side of the bottom of the discharge pipe (5), the output end of the first motor (601) passes through the bottom of the discharge pipe (5), the bottom of the shaft (602) is bolted to the output end of the first motor (601), and the threaded tapered rod (603) is fixedly connected to the bottom of the outer side of the shaft (602).

4. The anti-pollution continuous and stable feeding device for powder spheroidization production according to claim 1, characterized in that: The continuous conveying assembly (7) comprises a second motor (701) and a spiral conveying blade (702); the second motor (701) is bolted to the right side of the discharge pipe (5); the output end of the second motor (701) passes through the right side of the discharge pipe (5); and the right side of the spiral conveying blade (702) is bolted to the output end of the second motor (701).

5. The anti-pollution continuous and stable feeding device for powder spheroidization production according to claim 1, characterized in that: A closing cover (11) is provided on the top of the feed tank (1), and handles (12) are bolted to the front and rear sides of the top of the closing cover (11).

6. The anti-pollution continuous and stable feeding device for powder spheroidization production according to claim 1, characterized in that: Brackets (13) are bolted to both sides of the bottom of the discharge pipe (5), and mounting holes are provided on the front and rear sides of the top of the bracket (13).

7. The anti-pollution continuous and stable feeding device for powder spheroidization production according to claim 3, characterized in that: A fixing sleeve (14) is bolted to the top of the outer side of the shaft rod (602), and stirring rods (15) are fixedly connected to both sides of the fixing sleeve (14).

8. The anti-pollution continuous and stable feeding device for powder spheroidization production according to claim 7, characterized in that: A flow diversion hole (16) is provided on the surface of the stirring rod (15), and the flow diversion hole (16) is in the shape of a circular hole groove.