CN219441896U

CN219441896U - Vertical mill device

Info

Publication number: CN219441896U
Application number: CN202320695633.3U
Authority: CN
Inventors: 向映; 尹燕; 孙小龙
Original assignee: Hubei Jinglan Cement Co ltd
Current assignee: Hubei Jinglan Cement Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-01
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a vertical mill device which comprises a vertical mill shell, a grinding disc and a grinding roller, wherein the grinding disc is rotatably arranged in the vertical mill shell, the grinding roller is rotatably arranged above the grinding disc, a scraper assembly is arranged in the vertical mill shell and is arranged on the vertical mill shell through a connecting rod, the scraper assembly is abutted with the grinding disc and used for scraping materials on the grinding disc, and an air blowing pipe is connected to the scraper assembly and used for blowing air to the grinding disc. In the utility model, slag powder is ground by the grinding disc and the grinding roller, a part of slag powder is adhered to the grinding disc in the grinding process, and the scraping plate component can scrape the adhered powder on the grinding disc, so that the grinding effect is ensured.

Description

Vertical mill device

Technical Field

The utility model relates to the technical field of vertical mill, in particular to a vertical mill device.

Background

The vertical mill is a grinding device integrating fine crushing, drying, grinding, powder selecting and conveying, and is widely used for grinding various solid materials and superfine grinding in industries of slag, building materials, electric power, metallurgy, chemical industry, nonmetallic ores and the like. In cement production, slag coarse materials are required to be put into a vertical mill and ground into slag fine materials through a grinding disc and a grinding roller in the vertical mill, however, powder materials are adhered to the grinding disc and the grinding roller in the grinding process of slag, so that inaccurate material components are caused, and materials are wasted; meanwhile, the subsequent grinding is insufficient, and the grinding quality is influenced easily.

Disclosure of Invention

The object of the present utility model is to provide a vertical mill device which aims at the above-mentioned drawbacks of the prior art.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a vertical mill device, includes vertical mill shell, grinding disc and grinding roller, the grinding disc rotates to set up in vertical mill shell, the grinding roller rotates to set up in the top of grinding disc, be equipped with the scraper blade subassembly in the vertical mill shell, the scraper blade subassembly passes through the connecting rod to be set up on vertical mill shell, scraper blade subassembly and grinding disc butt for strike off the material on the grinding disc, be connected with the gas blow pipe on the scraper blade subassembly, be used for blowing to the grinding disc.

Preferably, the scraper assembly comprises a scraper box and a first scraper, the scraper box is fixedly arranged on the vertical mill shell through a connecting rod, the first scraper is slidably arranged in the scraper box, and the first scraper is in butt joint with the grinding disc.

Preferably, a cavity is formed in the scraper box, a scraper hole is formed in the bottom of the scraper box, the first scraper is slidably arranged in the scraper hole, and the air blowing pipe is connected with the scraper box.

Preferably, a pushing plate is arranged at the top end of the first scraping plate, and the pushing plate is slidably arranged in a cavity in the scraping plate box.

Preferably, the first scraping plate and the pushing plate are provided with mutually communicated air blowing holes, and the air blowing holes penetrate through the first scraping plate and the pushing plate.

Preferably, the pushing plate is provided with a balancing weight.

Preferably, a pulse valve is arranged on the air blowing pipe.

Preferably, a fixed shaft is arranged on the vertical mill shell, and the grinding roller is rotatably arranged on the fixed shaft.

Preferably, a bracket is fixedly arranged on the fixed shaft, a second scraping plate is arranged on the bracket, and the second scraping plate is abutted with the grinding roller.

The beneficial effects of adopting above-mentioned technical scheme to produce lie in:

1. the first scraping plate contacts with the grinding disc, and the first scraping plate can scrape slag materials adhered to the grinding disc in the rotating process of the grinding disc, so that the slag materials are prevented from adhering to the grinding disc;

2. according to the utility model, the first scraping plate is arranged in the scraping plate box in a sliding manner, so that the first scraping plate can be compensated, and after the first scraping plate is worn, the first scraping plate slides downwards, so that the first scraping plate always keeps contact with the grinding disc, and the service life of the first scraping plate is prolonged;

3. in the utility model, the air blowing pipe blows high-pressure air into the scraper box, the high-pressure air is sprayed out from the air blowing hole and acts on the grinding disc to blow away slag materials which are adhered on the grinding disc more firmly;

4. the feeding component can heat and dry the slag materials, remove moisture in the slag materials and keep the slag materials dry.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of the internal structure of the present utility model;

FIG. 3 is a schematic perspective view of the squeegee assembly of the present utility model;

FIG. 4 is an exploded view of the squeegee assembly of the present utility model;

fig. 5 is a schematic perspective view of a feed assembly of the present utility model.

In the figure: the vertical mill comprises a vertical mill shell 1, a grinding disc 2, a grinding roller 3, a connecting rod 4, an air blowing pipe 5, a scraper box 6, a first scraper 7, a scraper hole 8, a push plate 9, an air blowing hole 10, a balancing weight 11, a fixed shaft 12, a bracket 13 and a second scraper 14.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In cement production process, need throw into vertical mill with the slags coarse material, grind into ore slag fine material to the slags coarse material and make it, but in grinding process slags material is stained with easily and is attached on grinding plate and grinding roller, simultaneously, slags after the humidification produce the caking, lead to the grinding effect decline, thereby reduce the quality of slags fine material, in order to solve above-mentioned problem, provide a vertical mill device now, as shown in fig. 1 and fig. 2, including vertical mill shell 1, grinding plate 2 and grinding roller 3, the bottom of grinding machine shell 1 is equipped with the main motor, is connected through the pivot between main motor and the grinding plate 2, drives grinding plate 2 and rotates in vertical mill shell 1 after the main motor starts, and grinding roller 3 rotates the top that sets up in grinding plate 2, grinding roller 3 and grinding plate 2 rolling contact, thereby make slags powder ground between grinding roller 3 and grinding plate 2, in order to prevent that slags from being stained with and attaching on grinding plate 2, be equipped with scraper assembly in the vertical mill shell 1, scraper assembly sets up on scraper assembly 5 through scraper assembly 4 on vertical mill shell 1, on scraper assembly 5 is connected to grinding plate 2 through the pivot, and air blast pipe assembly is used for connecting to the grinding plate 5 on the grinding plate 2. In the utility model, as the scraper component is abutted with the grinding surface of the grinding disc 2, the scraper component can scrape slag powder adhered on the grinding surface of the grinding disc 2 in the rotating process of the grinding disc 2, and some slag powder adhered firmly can blow high-pressure gas to the grinding surface of the grinding disc 2 through the water pipe 5, so that slag powder is blown off from the grinding disc 2.

In another embodiment, the scraper assembly comprises a scraper box 6 and a first scraper 7, the scraper box 6 is fixedly arranged on the vertical mill shell 1 through the connecting rod 4, the first scraper 7 is slidably arranged in the scraper box 6, and the first scraper 6 is abutted with the grinding disc 2. In this embodiment, through connecting rod 4 fixed connection between scraper blade box 6 and the vertical mill shell 1, first scraper blade 7 slides in scraper blade box 6, simultaneously the lower terminal surface of first scraper blade 7 and the abrasive surface butt of abrasive disc 2, strike off the slay powder on the abrasive disc 2 in abrasive disc 2 rotation in-process, first scraper blade 7 can follow scraper blade box 6 whereabouts after wearing and tearing, make always between first scraper blade 7 and the abrasive disc 2 keep contacting, the life of extension first scraper blade 7, still need not manual regulation simultaneously, save maintenance time.

In another embodiment, as shown in fig. 3 and fig. 4, a cavity is formed inside the scraper box 6, a scraper hole 8 is formed in the bottom of the scraper box 6, the first scraper 7 is slidably disposed in the scraper hole 8, and the air blowing pipe 5 is connected with the scraper box 6. In the embodiment, the air blowing pipe 5 blows high-pressure air into the scraper box 6, discharges and blows the high-pressure air onto the grinding disc 2 from the scraper box 6, blows away slag powder adhered to the grinding disc 2, and improves scraping effect.

In another embodiment, a push plate 9 is disposed at the top end of the first scraper 7, the push plate 9 is slidably disposed in the cavity inside the scraper box 6, and the periphery of the push plate 9 is attached to the inner wall of the scraper box 6, so that no air leakage is guaranteed. In this embodiment, the cross section of push pedal 9 is greater than the cross section of first scraper blade 7 and connects, consequently the blast pipe 5 blows in high-pressure gas to scraper blade box 6 in the back, and push pedal 9 area of force is great, can promote first scraper blade 7 and abrasive disc 2 closely laminate all the time, remains the laminating state, effectively scrapes the slags powder on the abrasive disc 2, can also realize the compensation to first scraper blade 7 simultaneously, and after first scraper blade 7 appears wearing and tearing, high-pressure gas promotes push pedal 9 and first scraper blade 7 to be close to one side of abrasive disc 2 and remove, guarantees that first scraper blade 7 laminates with abrasive disc 2 mutually.

In another embodiment, the first scraping plate 7 and the pushing plate 9 are provided with air blowing holes 10 which are mutually communicated, the air blowing holes 10 penetrate through the first scraping plate 7 and the pushing plate 9, the upper ends of the air blowing holes 10 are positioned on the upper surface of the pushing plate 9, the lower ends of the air blowing holes 10 are positioned on the lower surface of the first scraping plate 7, and the lower ends of the air blowing holes 10 can also be positioned on the side surface of the first scraping plate 7 as long as the abrasive disc 2 can be blown. In this embodiment, the air blowing pipe 5 is communicated with the cavity inside the scraper box 6, and after the high-pressure air in the air blowing pipe 5 is blown into the cavity inside the scraper box 6, a part of air is used for pushing the push plate 9 to drive the first scraper 7 to slide downwards, and the other part of air is blown onto the grinding disc 2 through the air blowing hole 10 to blow away slag materials adhered to the grinding disc 2.

In another embodiment, the pushing plate 9 is provided with a balancing weight 11, and in this embodiment, the balancing weight 11 is fixedly disposed on the pushing plate 9, so that the pushing plate 9 and the first scraping plate 7 slide downwards under the action of gravity, and the first scraping plate 7 plays a role in compensation, so that the service life of the first scraping plate 7 is prolonged.

In another embodiment, a pulse valve is arranged on the air blowing pipe 5, and in this embodiment, the pulse valve can enable high-pressure air in the air blowing pipe 5 to intermittently blow to the grinding disc 2 to blow away slag powder on the grinding disc.

In another embodiment, a fixed shaft 12 is provided on the vertical mill housing 1, and the grinding roller 3 is rotatably provided on the fixed shaft 12.

In another embodiment, a bracket 13 is fixedly arranged on the fixed shaft 12, a second scraper 14 is arranged on the bracket 13, the second scraper 14 is abutted against the grinding roller 3, and the second scraper 13 is matched with the grinding surface of the grinding roller 3. The second blade 14 is attached to the grinding surface of the grinding roller 3. In the present embodiment, the second scraper 43 can scrape the slag powder adhering to the surface of the grinding roller 3, so that the grinding roller 3 is kept clean, and the grinding effect is improved.

In another embodiment, as shown in fig. 5, the grinding machine shell 1 is further provided with a feeding component, the feeding component comprises a feeding cylinder, a distributing block and a heating pipe, the feeding cylinder is located at the upper end of the grinding machine shell 1 and is communicated with the inside of the grinding machine shell 1, a supporting rod is arranged at the upper end of the feeding cylinder, a driving motor is fixedly arranged on the supporting rod, the distributing block is rotationally arranged in the feeding cylinder and is in transmission connection with the driving motor, the driving motor can drive the distributing block to rotate in the feeding cylinder, the distributing block is in a conical shape, a certain gap is reserved between the bottom edge of the distributing block and the inner wall of the feeding cylinder, and the heating pipe is wound on the outer wall of the feeding cylinder. When the conventional feeding is carried out, a large amount of powder is fed into the feeding cylinder, the powder containing moisture and caking can fall into the grinding machine along with most of powder, and in the embodiment, the powder is blocked by the powder blocks after entering the feeding cylinder, the powder can fall from gaps between the distributing blocks and the feeding cylinder, the powder can be attached to the cylinder wall of the feeding cylinder, and the cylinder wall of the feeding cylinder is heated by the heating pipe, so that slag powder can be heated and dried, and the slag powder is kept dry.

In another embodiment, the side of distributor block is equipped with first cutting knife, the inner wall of feed cylinder is equipped with the second cutting knife, crisscross setting between first cutting knife and the second cutting knife, when the powder drops, the powder of caking in the powder can be cut by first cutting knife and second cutting knife and smash, can grind more thoroughly when the follow-up grinding, improves the grinding effect.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a vertical mill device, includes vertical mill shell (1), grinding disc (2) and grinding roller (3), grinding disc (2) rotate and set up in vertical mill shell (1), grinding roller (3) rotate and set up in the top of grinding disc (2), a serial communication port, be equipped with the scraper blade subassembly in vertical mill shell (1), the scraper blade subassembly passes through connecting rod (4) to be set up on vertical mill shell (1), scraper blade subassembly and grinding disc (2) butt for strike off the material on grinding disc (2), be connected with blast pipe (5) on the scraper blade subassembly for blow to grinding disc (2).

2. The vertical mill device according to claim 1, characterized in that the scraper assembly comprises a scraper box (6) and a first scraper (7), the scraper box (6) is fixedly arranged on the vertical mill shell (1) through a connecting rod (4), the first scraper (7) is slidably arranged in the scraper box (6), and the first scraper (7) is abutted with the grinding disc (2).

3. The vertical mill device according to claim 2, wherein a cavity is formed in the scraper box (6), a scraper hole (8) is formed in the bottom of the scraper box (6), the first scraper (7) is slidably arranged in the scraper hole (8), and the air blowing pipe (5) is connected with the scraper box (6).

4. A vertical mill device according to claim 3, characterized in that the top end of the first scraper (7) is provided with a push plate (9), the push plate (9) being slidably arranged in a cavity inside the scraper box (6).

5. A vertical mill device according to claim 4, characterized in that the first scraper (7) and the pushing plate (9) are provided with mutually communicated air blowing holes (10), and the air blowing holes (10) penetrate through the first scraper (7) and the pushing plate (9).

6. A vertical mill device according to claim 4, characterized in that the push plate (9) is provided with a counterweight (11).

7. A vertical mill arrangement according to claim 4, characterized in that the blowing pipe (5) is provided with a pulse valve.

8. A vertical mill device according to claim 1, characterized in that the vertical mill housing (1) is provided with a fixed shaft (12), and the grinding roller (3) is rotatably arranged on the fixed shaft (12).

9. The vertical mill device according to claim 8, characterized in that a bracket (13) is fixedly arranged on the fixed shaft (12), a second scraper (14) is arranged on the bracket (13), and the second scraper (14) is abutted against the grinding roller (3).