CN215541677U

CN215541677U - Novel vertical mill material retaining ring with screen

Info

Publication number: CN215541677U
Application number: CN202121342016.2U
Authority: CN
Inventors: 王宏涛; 王振中; 肖文玲; 李冉; 朱华
Original assignee: Tianjin Hongsheng Building Material Technology Co ltd
Current assignee: Tianjin Hongsheng Building Material Technology Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-01-18
Anticipated expiration: 2031-06-16

Abstract

The utility model belongs to the technical field of material blocking rings of vertical mills, and particularly relates to a novel material blocking ring of a vertical mill with a screen, which comprises a grinding disc, wherein a sliding groove is fixedly formed in the surface of the grinding disc. This take novel vertical mill dam ring of screen cloth, through setting up screening stock stop, when using, the surface of retaining ring passes through draw runner and spout cooperation and the sliding surface connection of mill, the screen drum passes through sealing washer and deep floor and retaining ring fixed connection, when the mill rotates, retaining ring and screen drum keep motionless, keep off the material after material and grinding through screen drum and retaining ring, the material after grinding gets into between the inner wall of retaining ring and the surface of screen drum after screening through the screen drum, rotate through the mill, drive and scrape the flitch motion, the material after screening through the screen drum is through going out the hopper ejection of compact, thereby solved current vertical mill at the during operation, under the condition that requires not high to the powder, when screening the material after grinding, only can rely on the selection powder machine to screen, the problem of equipment and use cost has been increased.

Description

Novel vertical mill material retaining ring with screen

Technical Field

The utility model relates to the technical field of material retaining rings of vertical mills, in particular to a novel material retaining ring of a vertical mill with a screen.

Background

The vertical mill is an ideal large-scale grinding device and is widely applied to the industries of cement, electric power, metallurgy, chemical industry, non-metal ore and the like. It integrates crushing, drying, grinding and grading conveying into a whole, has high production efficiency, and can grind blocky, granular and powdery raw materials into required powdery materials.

When the vertical mill works, the motor drives the mill disc to rotate through the speed reducer, materials fall to the center of the mill disc from the feed opening, move to the edge of the mill disc under the action of centrifugal force and are rolled by the mill roller, the crushed materials overflow from the edge of the mill disc and are simultaneously brought into the efficient powder selecting machine integrated with the vertical mill by high-speed upward hot airflow from the nozzle ring (air ring), and coarse powder is selected by the separator, returns to the mill disc and is ground again; the fine powder flows out of the mill along with the gas and is collected in a dust collecting device of the system, thus obtaining the product.

When the vertical mill works, when materials after being ground are screened, the powder selecting machine is required to be matched for screening, the mode still only can be used for screening by the powder selecting machine under the condition of low requirement on the powder, the equipment and the use cost are increased, and therefore the novel material retaining ring of the vertical mill with the screen is required.

SUMMERY OF THE UTILITY MODEL

Based on the technical problems that when the existing vertical mill works, under the condition that the requirement on powder is not high, when ground materials are screened, screening can only be carried out by means of a powder selecting machine, and the equipment and use cost are increased, the utility model provides the novel material blocking ring with the screen.

The utility model provides a novel vertical mill retaining ring with a screen, which comprises a grinding disc, wherein a sliding groove is fixedly formed in the surface of the grinding disc, the inner wall of the sliding groove is in an arc shape, the inner wall of the sliding groove is connected with a sliding strip in a sliding manner, the surface of the sliding strip is matched with the inner wall of the sliding groove, the surface of the sliding strip is fixedly connected with a screening retaining mechanism, and the screening retaining mechanism is composed of a retaining ring, a screen cylinder sleeved on the inner wall of the retaining ring, a sealing ring fixedly connected with the surface of the retaining ring and a scraping plate slidably connected with the inner wall of the retaining ring.

Preferably, the surface of the retainer ring is fixedly connected with the surface of the slide bar, and the surface of the seal ring is fixedly connected with the surface of the screen drum.

Preferably, the surface of the scraping plate is fixedly connected with the surface of the grinding disc, and the surface of the scraping plate is respectively connected with the inner wall of the retainer ring and the surface of the screen cylinder in a sliding manner.

Preferably, a discharge chute is fixedly formed in the surface of the check ring, and the inner wall of the discharge chute is fixedly communicated with the inner wall of the check ring.

Preferably, the inner wall of the discharge chute is fixedly connected with a discharge hopper, and the inner wall of the discharge hopper is fixedly communicated with the inner wall of the check ring.

Preferably, the inner wall of the retainer ring is fixedly connected with reinforcing rib plates, the plurality of reinforcing rib plates are distributed in an annular array by taking the axis of the retainer ring as the center, and one end of each reinforcing rib plate is fixedly connected with the surface of the screen cylinder.

The beneficial effects of the utility model are as follows:

through setting up screening stock stop, when using, the surface of retaining ring passes through the draw runner and the surface sliding connection of spout cooperation and mill, the screen drum passes through sealing washer and deep floor and retaining ring fixed connection, when the mill rotates, retaining ring and screen drum keep motionless, keep off the material through screen drum and retaining ring to material and material after the grinding, the material after the grinding gets into between the inner wall of retaining ring and the surface of screen drum after screening through the screen drum, rotate through the mill, drive and scrape the flitch motion, the material after will screening through the screen drum is through going out the hopper ejection of compact, thereby solved current vertical mill at the during operation, under the condition that requires not high to the powder, when screening the material after the grinding, only can rely on the selection powder machine to screen, the problem of equipment and use cost has been increased.

Drawings

Fig. 1 is a schematic view of a novel vertical mill retaining ring with a screen provided by the utility model;

FIG. 2 is a three-dimensional view of a millstone structure of a novel vertical mill retaining ring with a screen;

FIG. 3 is a perspective view of a retainer ring structure of the novel vertical mill retaining ring with the screen;

FIG. 4 is a perspective view of a screen cylinder structure of a novel vertical mill retaining ring with a screen;

fig. 5 is a perspective view of a screening material stop mechanism of the novel vertical mill material stop ring with the screen.

In the figure: 1. a grinding disc; 2. a chute; 3. a slide bar; 4. a retainer ring; 401. a screen cylinder; 402. a seal ring; 403. a scraping plate; 404. a discharge chute; 405. a discharge hopper; 406. and a reinforcing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a novel vertical mill stop ring with a screen comprises a grinding disc 1, wherein a chute 2 is fixedly arranged on the surface of the grinding disc 1, the inner wall of the chute 2 is arc-shaped, the inner wall of the chute 2 is slidably connected with a slide bar 3, the surface of the slide bar 3 is matched with the inner wall of the chute 2, the surface of the slide bar 3 is fixedly connected with a screening stop mechanism, and the screening stop mechanism is composed of a check ring 4, a screen cylinder 401 sleeved on the inner wall of the check ring 4, a seal ring 402 fixedly connected with the surface of the check ring 4 and a scraper plate 403 slidably connected with the inner wall of the check ring 4;

the surface of the retainer ring 4 is fixedly connected with the surface of the slide bar 3, the surface of the seal ring 402 is fixedly connected with the surface of the screen cylinder 401, the surface of the scraping plate 403 is fixedly connected with the surface of the grinding disc 1, the surface of the scraping plate 403 is respectively connected with the inner wall of the retainer ring 4 and the surface of the screen cylinder 401 in a sliding manner, the surface of the retainer ring 4 is fixedly provided with a discharge chute 404, the inner wall of the discharge chute 404 is fixedly communicated with the inner wall of the retainer ring 4, the inner wall of the discharge chute 404 is fixedly connected with a discharge hopper 405, the inner wall of the discharge hopper 405 is fixedly communicated with the inner wall of the retainer ring 4, the inner wall of the retainer ring 4 is fixedly connected with reinforcing rib plates 406, a plurality of reinforcing rib plates 406 are distributed in an annular array by taking the axis center of the retainer ring 4 as the center, and one end of each reinforcing rib plate 406 is fixedly connected with the surface of the screen cylinder 401;

furthermore, the reinforcing rib plates 406 are positioned above the scraper plates 403, the surfaces of the scraper plates 403 are in sliding connection with the reinforcing rib plates 406, and the reinforcing rib plates 406 are arranged, so that the working stability of the screen cylinder 401 during material stopping and screening is improved, and a better screening effect is achieved;

through setting up screening stock stop, when using, the surface of retaining ring 4 passes through

draw runner

3 and 2 cooperation and the surface sliding connection of mill 1 of spout, screen drum 401 passes through sealing washer 402 and deep floor 406 and retaining ring 4 fixed connection, when mill 1 rotates, retaining ring 4 and screen drum 401 remain motionless, keep off the material through screen drum 401 and retaining ring 4 to the material after material and the grinding, the material after the grinding gets into between the inner wall of retaining ring 4 and the surface of screen drum 401 through screen drum 401 screening back, rotate through mill 1, drive scraping plate 403 motion, the material after will screening through screen drum 401 is through going out the ejection of compact fill 405 ejection of compact, thereby solved current vertical mill during operation, under the condition that is not high to the powder requirement, when screening the material after the grinding, only can rely on the selection powder machine to screen, the problem of equipment and use cost has been increased.

The working principle is as follows: when in use, the surface of the retainer ring 4 is matched with the chute 2 through the slide bar 3 and is in sliding connection with the surface of the grinding disc 1, the screen cylinder 401 is fixedly connected with the retainer ring 4 through the sealing ring 402 and the reinforcing rib plate 406, when the grinding disc 1 rotates, the retaining ring 4 and the screen cylinder 401 are kept still (the retaining ring 4 is fixedly connected with the vertical grinding machine body or other objects by adding a connecting and fixing device on the surface of the retaining ring 4 to ensure that the retaining ring 4 does not rotate along with the grinding disc 1), the material and the ground material are blocked by the screen cylinder 401 and the retaining ring 4, the ground material enters between the inner wall of the retaining ring 4 and the surface of the screen cylinder 401 after being screened by the screen cylinder 401, the material scraping plate 403 is driven to move by the rotation of the grinding disc 1, the material screened by the screen drum 401 is discharged by the discharge hopper 405, and the material which does not enter the inner wall of the retainer ring 4 and the surface of the screen drum 401 through the screen drum 401 is continuously ground.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a take novel vertical mill of screen cloth to keep off material circle, includes mill (1), its characterized in that: spout (2) have been seted up to the fixed surface of mill (1), the inner wall of spout (2) is the arc shape, the inner wall sliding connection of spout (2) has draw runner (3), the surface of draw runner (3) and the inner wall looks adaptation of spout (2), the fixed surface of draw runner (3) is connected with the screening stock stop, screening stock stop comprises sieve section of thick bamboo (401), retaining ring (4) fixed surface's that retaining ring (4) inner wall cup jointed sealing washer (402) and retaining ring (4) inner wall sliding connection scrape flitch (403) and constitute.

2. The novel vertical mill material retaining ring with the screen mesh is characterized in that: the surface of the retainer ring (4) is fixedly connected with the surface of the slide bar (3), and the surface of the sealing ring (402) is fixedly connected with the surface of the screen cylinder (401).

3. The novel vertical mill material retaining ring with the screen mesh is characterized in that: the surface of the scraping plate (403) is fixedly connected with the surface of the grinding disc (1), and the surface of the scraping plate (403) is respectively connected with the inner wall of the retainer ring (4) and the surface of the screen cylinder (401) in a sliding manner.

4. The novel vertical mill material retaining ring with the screen mesh is characterized in that: a discharge chute (404) is fixedly formed in the surface of the retainer ring (4), and the inner wall of the discharge chute (404) is fixedly communicated with the inner wall of the retainer ring (4).

5. The novel vertical mill retaining ring with the screen mesh is characterized in that: the inner wall fixedly connected with play hopper (405) of blown down tank (404), the inner wall of play hopper (405) and the inner wall fixed intercommunication of retaining ring (4).

6. The novel vertical mill material retaining ring with the screen mesh is characterized in that: the inner wall of the retainer ring (4) is fixedly connected with reinforcing rib plates (406), the reinforcing rib plates (406) are distributed in an annular array mode by taking the axis of the retainer ring (4) as the center, and one ends of the reinforcing rib plates (406) are fixedly connected with the surface of the screen cylinder (401).