CN215783949U - Vertical roller mill spiral feeding equipment - Google Patents
Vertical roller mill spiral feeding equipment Download PDFInfo
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- CN215783949U CN215783949U CN202121971384.3U CN202121971384U CN215783949U CN 215783949 U CN215783949 U CN 215783949U CN 202121971384 U CN202121971384 U CN 202121971384U CN 215783949 U CN215783949 U CN 215783949U
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- roller mill
- vertical roller
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- spiral feeding
- screening
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Abstract
The utility model relates to the technical field of slag micro powder production, in particular to a vertical roller mill spiral feeding device. According to the utility model, the spiral feeding pipe is hermetically connected with the side wall of the roller mill main body, so that a good air locking effect is ensured; when the spiral blade carries out spiral feeding, the spiral blade and the crushing nails on the inner wall of the spiral feeding pipe can crush materials with larger particles and higher hardness, the crushed materials are screened by the screening device, enter the vertical roller mill from the first discharge port according with requirements, are discharged from the second discharge port according with requirements, are crushed by the crusher, and then enter the spiral feeding device again from the feed port; the screening motor drives the eccentric wheel to extrude one end of the screening plate, and the screening plate performs reciprocating motion in the horizontal direction under the combined action of the eccentric wheel and the spring to screen materials.
Description
Technical Field
The utility model relates to the technical field of slag micro powder production, in particular to a vertical roller mill spiral feeding device.
Background
The vertical roller mill is widely popularized at present, and is greatly different from the traditional ball mill, the mainstream feeding mode of the vertical roller mill is to drop materials to the center of a grinding disc through a material discharging pipe, and then the materials are uniformly dispersed outwards and paved by the aid of the centrifugal force of the grinding disc rotating at a high speed. In the production process of the vertical mill, the whole mill is in a negative pressure state, in order to ensure a good air locking effect, rotary feeding equipment is adopted as past feeding air locking equipment of the vertical mill, and materials are fed into the vertical mill and then fed into the grinding disc through the scraper-trough conveyer.
Rotary feeding equipment has a fatal disadvantage. When the material particles are large and the hardness is high, the rotary feeding equipment is blocked and stopped frequently, and abnormal shutdown is caused for many times. Meanwhile, materials with different sizes enter the vertical roller mill to influence the grinding efficiency and the grinding quality of the vertical roller mill.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a vertical roller mill spiral feeding device.
In order to solve the technical problems, the utility model provides a vertical roller mill spiral feeding device, which comprises a vertical roller mill main body and a spiral feeding device, wherein the spiral feeding device comprises a spiral feeding pipe, a rotating shaft, a spiral blade and a spiral feeding motor, the spiral feeding pipe penetrates through the side wall of the vertical roller mill main body and is hermetically connected with the side wall of the roller mill main body, the centers of two ends of the spiral feeding pipe are provided with the rotating shaft through a bearing seat, one end of the rotating shaft is connected with an output shaft of the spiral feeding motor, the rotating shaft is provided with the spiral blade, the inner walls of the spiral blade and the spiral feeding pipe are irregularly provided with crushing nails, a feeding hole with an upward opening is arranged on the spiral feeding pipe close to the spiral feeding motor outside the vertical roller mill main body, a first discharging hole with a downward opening is arranged at the center of the spiral feeding pipe inside the vertical roller mill main body, and a second discharge port with a downward opening is arranged on a spiral feeding pipe outside the vertical roller mill main body, which is far away from the spiral feeding motor, and the first discharge port is provided with a screening device.
By adopting the technical scheme, the spiral feeding pipe is hermetically connected with the side wall of the roller mill main body, so that a good air locking effect is ensured; helical blade is when carrying out spiral feed, and the broken nail on the inner wall of helical blade and spiral feed pipe can be to the great and higher material of hardness of granule carry out the breakage, and the material after the breakage passes through the screening plant screening, and the meeting with the requirements gets into vertical roller mill main part inside from first discharge gate, and the follow feed inlet reentrant spiral feed device after the breaker is broken again after discharging from the second discharge gate that is unsatisfactory.
Further, the screening device comprises a screening motor, a screening plate, a limiting clamp plate and a spring, wherein the screening plate penetrates through the side wall of the first discharge hole, one end of the screening plate is inserted into the limiting clamp plate arranged on the inner wall of the vertical roller grinding main body, the other end of the screening plate is matched with an eccentric wheel, the eccentric wheel is fixedly connected with an output shaft of the screening motor fixed on the inner wall of the vertical roller grinding main body, and the spring is arranged between the screening plate and the limiting clamp plate.
By adopting the technical scheme, the screening motor drives the eccentric wheel to extrude one end of the screening plate, and the screening plate performs reciprocating motion in the horizontal direction under the combined action of the eccentric wheel and the spring to screen materials.
Furthermore, two ends of the spiral feeding pipe and the spiral feeding motor are fixedly arranged on the mounting frame of the spiral feeding device.
By adopting the technical scheme, the spiral feeding pipe, the vertical roller mill main body and the mounting rack of the spiral feeding device are connected more firmly, and a good air locking effect is ensured.
Furthermore, a roller mill motor and a gearbox are fixedly connected to the bottom of the vertical roller mill main body, the roller mill motor is in transmission connection with the gearbox, an output shaft of the gearbox penetrates through the center of the grinding disc to be connected with a rotating disc shaft, the rotating disc and the grinding disc are arranged at the lower end inside the vertical roller mill main body, and the rotating disc and the grinding disc are in gapless fit with grinding materials.
By adopting the technical scheme, the turntable and the grinding disc are in gapless fit, so that the materials can be ground more uniformly.
Furthermore, a flow guide body of a cone structure is arranged right below the first discharge hole, and the flow guide body is fixedly arranged at the center of the top surface of the turntable.
By adopting the technical scheme, the materials can be dispersed more uniformly.
In conclusion, the utility model has the following beneficial effects:
according to the utility model, the spiral feeding pipe is hermetically connected with the side wall of the roller mill main body, so that a good air locking effect is ensured; when the spiral blade carries out spiral feeding, the spiral blade and the crushing nails on the inner wall of the spiral feeding pipe can crush materials with larger particles and higher hardness, the crushed materials are screened by the screening device, enter the vertical roller mill from the first discharge port according with requirements, are discharged from the second discharge port according with requirements, are crushed by the crusher, and then enter the spiral feeding device again from the feed port; the screening motor drives the eccentric wheel to extrude one end of the screening plate, and the screening plate performs reciprocating motion in the horizontal direction under the combined action of the eccentric wheel and the spring to screen materials.
Drawings
The utility model is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the screw feeder of the present invention;
fig. 3 is a schematic structural diagram of the screening apparatus of the present invention.
In the figure: the device comprises a vertical roller mill main body 1, a rotary table 11, a grinding disc 12, a roller mill motor 13, a gearbox 14, a flow guide body 2, a spiral feeding device 3, a spiral feeding pipe 31, a rotating shaft 32, a spiral blade 33, a spiral feeding motor 34, a feeding hole 35, a first discharging hole 36, a second discharging hole 37, a crushing nail 38, a spiral feeding device mounting frame 39, a screening device 4, a screening motor 41, an eccentric wheel 42, a screening plate 43, a limiting clamping plate 44 and a spring 45.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model is further described below with reference to the accompanying drawings:
referring to the attached drawings 1-3, a vertical roller mill spiral feeding device comprises a vertical roller mill main body 1 and a spiral feeding device 3, wherein the spiral feeding device 3 comprises a spiral feeding pipe 31, a rotating shaft 32, a spiral blade 33 and a spiral feeding motor 34, the spiral feeding pipe 31 penetrates through the side wall of the vertical roller mill main body 1 and is hermetically connected with the side wall of the roller mill main body 1, the rotating shaft 32 is installed at the center of two ends of the spiral feeding pipe 31 through a bearing seat, one end of the rotating shaft 32 is connected with an output shaft of the spiral feeding motor 34, the spiral blade 33 is arranged on the rotating shaft 32, crushing nails 38 are irregularly arranged on the inner walls of the spiral blade 33 and the spiral feeding pipe 31, two ends of the spiral feeding pipe 31 and the spiral feeding motor 34 are fixedly installed on a spiral feeding device installation frame 39, a feeding hole 35 with an upward opening is arranged on the spiral feeding pipe 31 close to the spiral feeding motor 34 outside the vertical roller mill main body 1, a first discharge port 36 with a downward opening is arranged at the central position of a spiral feeding pipe 31 in the vertical roller mill main body 1, a second discharge port 37 with a downward opening is arranged on the spiral feeding pipe 31 which is far away from a spiral feeding motor 34 at the outer part of the vertical roller mill main body 1, a screening device 4 is arranged on the first discharge port 36, the screening device 4 comprises a screening motor 41, a screening plate 43, a limiting clamping plate 44 and a spring 45, the screening plate 43 penetrates through the side wall of the first discharge port 36, one end of the screening plate 43 is inserted into the limiting clamping plate 44 fixed on the inner wall of the vertical roller mill main body 1, the other end of the screening plate 43 is matched with an eccentric wheel 42, the eccentric wheel 42 is fixedly connected with an output shaft of the screening motor 41 fixed on the inner wall of the vertical roller mill main body 1, the spring 45 is arranged between the screening plate 43 and the limiting clamping plate 44, and the bottom of the vertical roller mill main body 1 is fixedly connected with the motor 13 and the gearbox 14, the grinding roller motor 13 is in transmission connection with the gearbox 14, an output shaft of the gearbox 14 penetrates through the center of the grinding disc 12 to be connected with the rotary disc 11 in a shaft mode, the rotary disc 11 and the grinding disc 12 are arranged at the lower end inside the vertical grinding roller main body 1, the rotary disc 11 and the grinding disc 12 are in clearance-free fit with grinding materials, the guide body 2 in a cone structure is arranged right below the first discharge hole 36, and the guide body 2 is fixedly arranged at the center of the top face of the rotary disc 11.
The working principle is as follows: the roller mill motor 13, the spiral feeding motor 34 and the screening motor 41 are started, materials are put into the spiral feeding pipe 31 from the feeding hole 35, the spiral blade 33 transports the materials to the rear of the spiral feeding pipe 31, meanwhile, the spiral blade 33 and the crushing nail 38 on the inner wall of the spiral feeding pipe 31 can crush the materials which are large in particles and high in hardness and transported in the spiral feeding pipe 31, the crushed materials firstly pass through the first discharging hole 36, the screening motor 41 drives the eccentric wheel 42 to extrude one end of the screening plate 43, the screening plate 43 reciprocates in the horizontal direction under the combined action of the eccentric wheel 42 and the spring 43 to screen the materials, the materials meeting requirements enter the vertical roller mill main body 1 after passing through the screening plate 43, the guide body 2 disperses the materials, and the rotary disc 11 and the grinding disc 12 are in gapless fit, so that the materials can be ground more uniformly; the material that does not pass through the screen plate 43 is discharged from the second discharge port 37, crushed by the crusher, and re-enters the screw feeding pipe 31 from the feed port 35 for screen feeding.
In summary, the present invention is not limited to the above-described embodiments. Numerous changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the utility model. The protection scope of the present invention shall be subject to the claims of the present invention.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Claims (5)
1. The utility model provides a vertical roller mill spiral feeding equipment, includes vertical roller mill main part (1), its characterized in that still includes spiral feeding device (3), spiral feeding device (3) include spiral feed pipe (31), pivot (32), helical blade (33) and spiral feed motor (34), spiral feed pipe (31) run through the lateral wall of vertical roller mill main part (1) and with the lateral wall sealing connection of roller mill main part (1), pivot (32) are installed through the bearing frame to the center department at spiral feed pipe (31) both ends, the one end of pivot (32) and the output shaft of spiral feed motor (34), be provided with helical blade (33) on pivot (32), all irregularly be provided with crushing nail (38) on the inner wall of helical blade (33) and spiral feed pipe (31), be provided with the ascending entering of opening on vertical roller mill main part (1) outside near the spiral feed pipe (31) of spiral feed motor (34) The vertical roller mill body is characterized by comprising a material opening (35), a first material outlet (36) with a downward opening is formed in the center of a spiral feeding pipe (31) in the vertical roller mill body (1), a second material outlet (37) with a downward opening is formed in the spiral feeding pipe (31) which is far away from a spiral feeding motor (34) outside the vertical roller mill body (1), and a screening device (4) is arranged on the first material outlet (36).
2. A vertical roller mill screw feeding apparatus according to claim 1, wherein the screening means (4) comprises a screening motor (41), a screening plate (43), a limit clamp plate (44) and a spring (45), the screening plate (43) penetrates through the side wall of the first discharge port (36), one end of the screening plate (43) is inserted into the limit clamp plate (44) fixed to the inner wall of the vertical roller mill main body (1), the other end of the screening plate (43) is fitted with an eccentric wheel (42), the eccentric wheel (42) is fixedly connected to the output shaft of the screening motor (41) fixed to the inner wall of the vertical roller mill main body (1), and the spring (45) is provided between the screening plate (43) and the limit clamp plate (44).
3. A vertical roller mill screw feeding apparatus according to claim 2, wherein both ends of the screw feeding pipe (31) and the screw feeding motor (34) are fixedly installed on the screw feeding means mounting frame (39).
4. A vertical roller mill spiral feeding equipment according to claim 3 characterized in that the bottom of the vertical roller mill main body (1) is fixedly connected with a roller mill motor (13) and a gear box (14), the roller mill motor (13) and the gear box (14) are in transmission connection, the output shaft of the gear box (14) is connected with a rotary disk (11) shaft through the center of the grinding disk (12), the rotary disk (11) and the grinding disk (12) are arranged at the lower end of the inner part of the vertical roller mill main body (1), and the rotary disk (11) and the grinding disk (12) are matched with the grinding material without clearance.
5. A vertical roller mill spiral feeding apparatus according to claim 4, characterized in that a flow guide body (2) of a cone structure is provided right below the first discharge port (36), and the flow guide body (2) is fixedly provided at the center position of the top surface of the rotary table (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121971384.3U CN215783949U (en) | 2021-08-21 | 2021-08-21 | Vertical roller mill spiral feeding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121971384.3U CN215783949U (en) | 2021-08-21 | 2021-08-21 | Vertical roller mill spiral feeding equipment |
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| Publication Number | Publication Date |
|---|---|
| CN215783949U true CN215783949U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121971384.3U Active CN215783949U (en) | 2021-08-21 | 2021-08-21 | Vertical roller mill spiral feeding equipment |
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| CN (1) | CN215783949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114452895A (en) * | 2022-02-22 | 2022-05-10 | 林伟森 | Waste residue treatment device for waste incineration |
-
2021
- 2021-08-21 CN CN202121971384.3U patent/CN215783949U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114452895A (en) * | 2022-02-22 | 2022-05-10 | 林伟森 | Waste residue treatment device for waste incineration |
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