Flame jet burner for efficient dispersion spheroidization of superfine powder

Abstract

The utility model discloses a flame jet burner for efficient dispersion spheroidization of superfine powder, which belongs to the technical field of preparation of the spheroidization of the superfine powder, and is characterized in that the flame jet burner comprises a flame jet burner main body, the front side of the flame jet burner main body is communicated with a connecting pipe; the front side of the top of the flame jet burner body is communicated with a connecting pipe, the rear side of the connecting pipe is communicated with a material-carrying gas connector, and the front side of the top of the flame jet burner body is communicated with a combustion-supporting gas connector and a fuel gas connector, so that the problem that in an existing mode for processing superfine powder spheroidization, superfine powder is directly jetted into the flame jet burner through a feeding device, and in the feeding process, the material-carrying gas connector is not needed is solved. The problems that in the prior art, gas carrying materials carries superfine powder materials to enter a flame jet burner through a feeding device, certain defects exist, unmelted particles and huge particles are generated due to the fact that raw material powder is agglomerated and not dispersed in the calcination process, the product quality is influenced, and the machining effect is influenced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of superfine powder spheroidization preparation, in particular to a flame jet burner used for highly efficient dispersion and spheroidization of superfine powder. Background Art

[0002] With the continuous development of my country's powder industry, ultrafine spherical powders have broad market prospects as filling materials in semiconductor chip sealing materials and copper clad laminate manufacturing, and the requirements for the particle size and sphericity of ultrafine spherical powders are getting higher and higher.

[0003] The existing method of processing ultrafine powder into spheroidization is to directly spray the ultrafine powder into the flame jet burner through a feeding device. During the feeding process, the material-carrying gas carries the ultrafine powder material into the flame jet burner through the feeding device, which has certain defects. When calcining, the raw material powder agglomerates and is not dispersed, resulting in the generation of unmelted particles and huge particles, affecting product quality. Utility Model Content

[0004] The utility model provides a flame jet burner for efficiently dispersing and sphering ultrafine powders, aiming to solve the problem that the existing method of processing ultrafine powders into spheroidization is to directly spray ultrafine powders into the flame jet burner through a feeding device. During the feeding process, the material-carrying gas carries the ultrafine powder material into the flame jet burner through the feeding device, which has certain defects. When calcining, the raw material powder agglomerates and is not dispersed, resulting in the generation of unmelted particles and huge particles, affecting the product quality, thereby affecting the processing effect.

[0005] The utility model is implemented as follows: a flame jet burner for efficient dispersion and spherification of ultrafine powders, comprising a flame jet burner body, the front side of the flame jet burner body is connected with a connecting pipe, and the rear side of the connecting pipe is connected with a material-carrying gas interface, the front side of the top of the flame jet burner body is respectively connected with a combustion-supporting gas interface and a fuel gas interface, the top of the connecting pipe is connected with a shell, the interior of the shell is rotatably connected with a dispersion component, and the inner wall of the shell is bolted with an impact plate, and the impact plate is used in conjunction with the dispersion component;

[0006] The dispersion component includes two fixing rings, a fixing sleeve is arranged in an annular shape between the two fixing rings on opposite sides, a connecting rod is welded to one side of the fixing sleeve, a hammer head is welded to the side of the connecting rod away from the fixing sleeve, and the hammer head is used in conjunction with the impact plate.

[0007] In order to achieve the effect of driving the dispersion component to rotate, as a preferred flame jet burner for efficient dispersion and spheroidization of ultrafine powders of the utility model, a connecting sleeve is provided inside the fixed ring, and a connecting plate is welded on the surface of the connecting sleeve in an annular shape, and the connecting plate is welded to the fixed ring on one side close to the inner wall of the fixed ring, a main shaft passes through the inside of the bottom connecting sleeve, and the top of the main shaft passes through the inside of the top connecting sleeve and is bolted with a driving motor.

[0008] In order to achieve the effect of dust-free dispersion, as a preferred flame jet burner for efficient spherical dispersion of ultrafine powders in the utility model, a cover plate is bolted to the top of the shell, and the top of the main shaft extends to the top of the cover plate and is bolted to the output end of the drive motor, and the drive motor is bolted to the top of the cover plate.

[0009] In order to achieve the effect of connecting the fixing sleeve and the fixing ring, as a preferred flame jet burner for efficiently dispersing and sphericalizing ultrafine powders of the utility model, the top of the bottom fixing ring is welded with a screw sleeve in an annular shape, and the fixing sleeve is sleeved on the surface of the screw sleeve, the interior of the top fixing ring is penetrated by a bolt in an annular shape, and the bottom of the bolt extends to the interior of the screw sleeve and is threadedly connected thereto.

[0010] In order to achieve the effect of dispersing ultrafine powders in cooperation with the hammer head, as a preferred flame jet burner for efficiently dispersing and sphericalizing ultrafine powders in the utility model, the inner wall of the impact plate is provided with a tooth portion, and one end of the tooth portion is arranged in an inclined shape and is arranged opposite to the rotation direction of the hammer head.

[0011] In order to facilitate the circulation of ultrafine powders, as a preferred flame jet burner for efficiently dispersing and sphericalizing ultrafine powders of the utility model, a first annular mesh plate is embedded in the bottom of the inner wall of the shell, and a second annular mesh plate is embedded in the interior of the cover plate.

[0012] In order to facilitate the feeding, as a preferred flame jet burner for efficient dispersion and spheroidization of ultrafine powders of the utility model, the top of the cover plate is bolted with a fixed cylinder, the top of the fixed cylinder is connected to a cone bucket, and a third annular mesh plate is embedded in the interior of the cone bucket, a hollow interlayer is provided inside the fixed cylinder, and the third annular mesh plate, the hollow interlayer and the second annular mesh plate are connected in sequence from top to bottom.

[0013] In order to achieve the effect of guiding the flow path of ultrafine powders, as a preferred flame jet burner for efficiently dispersing and sphericalizing ultrafine powders of the utility model, a guiding cone head is welded to the bottom of the inner wall of the cone bucket, and the guiding cone head is used in conjunction with the third annular mesh plate.

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

[0015] The flame jet burner for efficiently dispersing and sphering ultrafine powders can place the ultrafine powder in the shell by arranging a connecting pipe, a shell and a dispersing component for use, and the dispersing component is rotated in the shell to drive the ultrafine powder to flow in the shell, and at the same time, a collision is generated between the ultrafine powder and the impact plate, so that the agglomerated ultrafine powder is dispersed. Therefore, the gas connected through the material-carrying gas interface can drive the ultrafine powder into the flame jet burner body, and the combustion-supporting gas and the fuel gas connected through the combustion-supporting gas interface and the fuel gas interface can be flame-jetted into the furnace for combustion, so that the ultrafine powder can be processed into a spherical shape. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the overall structure diagram of the flame jet burner used for efficient dispersion and spherification of ultrafine powders of the utility model;

[0017] Figure 2 It is a schematic diagram of the connection between the housing and the dispersed components in the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the dispersed components in the utility model;

[0019] Figure 4 It is a schematic diagram of the exploded structure of the local structure of the dispersed components in the utility model;

[0020] Figure 5 It is a schematic diagram of the connection between the cone bucket and the fixed cylinder in the utility model.

[0021] In the figure, 1. flame jet burner body; 2. connecting pipe; 3. material-carrying gas interface; 4. combustion-supporting gas interface; 5. gas interface; 6. shell; 7. dispersion component; 701. fixing ring; 702. fixing sleeve; 703. connecting rod; 704. hammer head; 8. impact plate; 9. connecting sleeve; 10. connecting plate; 11. main shaft; 12. driving motor; 13. cover plate; 14. screw sleeve; 15. bolt; 16. first annular mesh plate; 17. second annular mesh plate; 18. fixing cylinder; 19. cone bucket; 20. third annular mesh plate; 21. guide cone head. DETAILED DESCRIPTION

[0022] 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.

[0023] 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.

[0024] See also Figure 1-5 The utility model provides a technical solution: a flame jet burner for efficient dispersion and spherification of ultrafine powders, comprising a flame jet burner body 1, the front side of the flame jet burner body 1 is connected with a connecting pipe 2, and the rear side of the connecting pipe 2 is connected with a material-carrying gas interface 3, the front side of the top of the flame jet burner body 1 is respectively connected with a combustion-supporting gas interface 4 and a gas interface 5, the top of the connecting pipe 2 is connected with a shell 6, the interior of the shell 6 is rotatably connected with a dispersion component 7, and the inner wall of the shell 6 is bolted with an impact plate 8, and the impact plate 8 is used in conjunction with the dispersion component 7;

[0025] The dispersion component 7 includes two fixing rings 701, a fixing sleeve 702 is arranged in an annular shape between the two fixing rings 701 on opposite sides, a connecting rod 703 is welded to one side of the fixing sleeve 702, a hammer head 704 is welded to the side of the connecting rod 703 away from the fixing sleeve 702, and the hammer head 704 is used in conjunction with the impact plate 8.

[0026] In this embodiment: by setting the connecting pipe 2, the shell 6 and the dispersion component 7 for use together, the ultrafine powder can be placed in the shell 6, and the dispersion component 7 can be rotated in the shell 6, which can drive the ultrafine powder to flow in the shell 6, and at the same time cause the ultrafine powder to collide with the impact plate 8, so as to disperse the agglomerated ultrafine powder. Therefore, the gas connected through the material gas interface 3 can drive the ultrafine powder into the flame jet burner body 1, and the combustion-supporting gas and fuel gas connected through the combustion-supporting gas interface 4 and the fuel gas interface 5 can be flame-jetted into the furnace for combustion, so that the ultrafine powder can be sphericalized.

[0027] As a technical optimization solution of the utility model, a connecting sleeve 9 is provided inside the fixed ring 701, and a connecting plate 10 is welded on the surface of the connecting sleeve 9 in a ring shape, and the connecting plate 10 is welded to the fixed ring 701 on one side close to the inner wall of the fixed ring 701, and a main shaft 11 passes through the inside of the bottom connecting sleeve 9, and the top of the main shaft 11 passes through the inside of the top connecting sleeve 9 and is bolted with a drive motor 12.

[0028] In this embodiment: by setting a connecting sleeve 9, a connecting plate 10, a main shaft 11 and a driving motor 12, the fixing ring 701 can be connected to the main shaft 11 through the connecting sleeve 9 and the connecting plate 10, and the driving motor 12 drives the dispersion component 7 to rotate in the shell 6, so that part of the agglomerated parts of the ultrafine powder are broken up, thereby improving the subsequent spheroidization efficiency of the ultrafine powder.

[0029] As a technical optimization solution of the utility model, a cover plate 13 is bolted to the top of the shell 6 , and the top of the main shaft 11 extends to the top of the cover plate 13 and is bolted to the output end of the drive motor 12 , and the drive motor 12 is bolted to the top of the cover plate 13 .

[0030] In this embodiment, by providing the cover plate 13, a dust-free dispersion effect can be achieved, thereby reducing pollution to the environment.

[0031] As a technical optimization solution of the utility model, a screw sleeve 14 is welded to the top of the bottom fixing ring 701 in an annular shape, and the fixing sleeve 702 is sleeved on the surface of the screw sleeve 14. A bolt 15 is passed through the interior of the top fixing ring 701 in an annular shape, and the bottom of the bolt 15 extends to the interior of the screw sleeve 14 and is threadedly connected thereto.

[0032] In this embodiment: by setting the screw sleeve 14 and the bolt 15, the fixing sleeve 702 can be put on the surface of the screw sleeve 14, and the bolt 15 passes through the top fixing ring 701 and enters the interior of the fixing sleeve 702, and then screwed into the interior of the screw sleeve 14, so as to fix the position of the fixing sleeve 702 and connect the two fixing rings 701.

[0033] As a technical optimization solution of the present invention, a toothed portion is provided on the inner wall of the impact plate 8 , and one end of the toothed portion is arranged in an inclined shape and is arranged in the opposite direction to the rotation direction of the hammer head 704 .

[0034] In this embodiment, by providing a toothed portion on the inner wall of the impact plate 8 and making the inclined end of the toothed portion opposite to the rotation direction of the hammer head 704, the ultrafine powder brought by the cone head can collide between the two, thereby breaking up part of the agglomerated parts of the ultrafine powder, thereby improving the subsequent spheroidization efficiency of the ultrafine powder.

[0035] As a technical optimization solution of the present invention, a first annular mesh plate 16 is embedded in the bottom of the inner wall of the shell 6 , and a second annular mesh plate 17 is embedded in the interior of the cover plate 13 .

[0036] In this embodiment: by setting the first annular mesh plate 16 and the second annular mesh plate 17, the first annular mesh plate 16 can facilitate the dispersed ultrafine powder to be discharged through it and enter the connecting pipe 2 through the tapered part at the bottom of the shell 6, so as to facilitate the material-carrying gas to send it to the interior of the flame jet burner body 1, and the second annular mesh plate 17 can facilitate the external ultrafine powder to pass through it into the interior of the shell 6 for dispersion processing.

[0037] As a technical optimization solution of the utility model, a fixed cylinder 18 is bolted to the top of the cover plate 13, the top of the fixed cylinder 18 is connected to a cone bucket 19, and a third annular mesh plate 20 is embedded in the interior of the cone bucket 19, a hollow interlayer is arranged inside the fixed cylinder 18, and the third annular mesh plate 20, the hollow interlayer and the second annular mesh plate 17 are connected in sequence from top to bottom.

[0038] In this embodiment: by setting up a fixed cylinder 18, a cone bucket 19 and a third annular mesh plate 20, the ultra-fine particles can be placed in the cone bucket 19, and guided to the hollow interlayer in the fixed cylinder 18 under the action of the third mesh plate, and then enter the second annular mesh plate 17 through the fixed cylinder 18 to achieve the purpose of unloading.

[0039] As a technical optimization solution of the utility model, a guide cone head 21 is welded to the bottom of the inner wall of the cone bucket 19 , and the guide cone head 21 is used in conjunction with the third annular mesh plate 20 .

[0040] In this embodiment, by providing the guide cone head 21, the effect of guiding the flow path of the ultrafine powder can be achieved.

[0041] Working principle: First, the ultrafine powder is placed in the cone bucket 19, and is guided to the third annular mesh plate 20 under the action of the guiding cone head 21, so that the ultrafine powder passes through the hollow interlayer in the fixed cylinder 18 and falls to the second annular mesh plate 17, so that the ultrafine powder falls into the shell 6 through the second annular mesh plate 17, and then the main shaft 11 is driven to rotate by the driving motor 12, so that it drives the fixed ring 701 to rotate, and at the same time, the cone head drives the ultrafine powder to flow in the shell 6, and causes the ultrafine powder to collide with the impact plate 8, so as to disperse the agglomerated ultrafine powder, and the dispersed ultrafine powder falls to the conical pipe at the bottom of the shell 6 through the first annular mesh plate 16 and enters the connecting pipe 2. At this time, the gas connected through the material gas interface 3 can drive the ultrafine powder into the flame jet burner body 1, and the combustion-supporting gas and fuel gas connected through the combustion-supporting gas interface 4 and the fuel gas interface 5 can be flame-jetted into the furnace for combustion, so that the ultrafine powder can be sphericalized.

[0042] It should be noted that the specific structure and working principle of the flame jet burner for efficient dispersion and spheroidization of ultrafine powders involved in the utility model and the specific usage methods involved are all existing technologies and are therefore not described in detail in the utility model.

[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 flame jet burner for efficiently dispersing and sphering ultrafine powders, comprising a flame jet burner body (1), characterized in that: The front side of the flame jet burner body (1) is connected to a connecting pipe (2), and the rear side of the connecting pipe (2) is connected to a material-carrying gas interface (3); the front side of the top of the flame jet burner body (1) is respectively connected to a combustion-supporting gas interface (4) and a gas interface (5); the top of the connecting pipe (2) is connected to a shell (6); a dispersion component (7) is rotatably connected inside the shell (6), and an impact plate (8) is bolted to the inner wall of the shell (6); the impact plate (8) is used in conjunction with the dispersion component (7); The dispersion assembly (7) comprises two fixing rings (701), a fixing sleeve (702) is arranged in an annular shape between opposite sides of the two fixing rings (701), a connecting rod (703) is welded to one side of the fixing sleeve (702), a hammer head (704) is welded to the side of the connecting rod (703) away from the fixing sleeve (702), and the hammer head (704) is used in conjunction with the impact plate (8).

2. A flame jet burner for efficient dispersion and spherification of ultrafine powders according to claim 1, characterized in that: A connecting sleeve (9) is arranged inside the fixing ring (701), a connecting plate (10) is welded to the surface of the connecting sleeve (9) in an annular shape, and the connecting plate (10) is welded to the fixing ring (701) on one side close to the inner wall of the fixing ring (701), a main shaft (11) passes through the inside of the bottom connecting sleeve (9), and the top of the main shaft (11) passes through the inside of the top connecting sleeve (9) and is bolted to a driving motor (12).

3. A flame jet burner for efficient dispersion and spherification of ultrafine powders according to claim 2, characterized in that: A cover plate (13) is bolted to the top of the shell (6), and the top of the main shaft (11) extends to the top of the cover plate (13) and is bolted to the output end of the drive motor (12), and the drive motor (12) is bolted to the top of the cover plate (13).

4. The flame jet burner for efficient dispersion and spherification of ultrafine powders according to claim 1, characterized in that: The top of the bottom fixing ring (701) is welded with a screw sleeve (14) in an annular shape, and the fixing sleeve (702) is sleeved on the surface of the screw sleeve (14). The inside of the top fixing ring (701) is penetrated by a bolt (15) in an annular shape, and the bottom of the bolt (15) extends to the inside of the screw sleeve (14) and is threadedly connected thereto.

5. The flame jet burner for efficient dispersion and spherification of ultrafine powders according to claim 1, characterized in that: The inner wall of the impact plate (8) is provided with a toothed portion, and one end of the toothed portion is arranged in an inclined shape and is arranged in the opposite direction to the rotation direction of the hammer head (704).

6. The flame jet burner for efficient dispersion and spherification of ultrafine powders according to claim 3, characterized in that: A first annular mesh plate (16) is embedded in the bottom of the inner wall of the shell (6), and a second annular mesh plate (17) is embedded in the interior of the cover plate (13).

7. A flame jet burner for efficient dispersion and spherification of ultrafine powders according to claim 6, characterized in that: A fixing cylinder (18) is bolted to the top of the cover plate (13); the top of the fixing cylinder (18) is connected to a cone bucket (19); a third annular mesh plate (20) is embedded in the cone bucket (19); a hollow interlayer is provided inside the fixing cylinder (18); and the third annular mesh plate (20), the hollow interlayer and the second annular mesh plate (17) are connected in sequence from top to bottom.

8. The flame jet burner for efficient dispersion and spherification of ultrafine powders according to claim 7, characterized in that: A guide cone head (21) is welded to the bottom of the inner wall of the cone bucket (19), and the guide cone head (21) is used in conjunction with the third annular mesh plate (20).

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