CN215197291U

CN215197291U - Vertical mill material retaining ring device with iron discharging function

Info

Publication number: CN215197291U
Application number: CN202022107099.9U
Authority: CN
Inventors: 王亚林; 苗喜娥; 屈志杰; 李拥军; 郭立晓
Original assignee: Xinxiang Changcheng Machinery Co ltd
Current assignee: Xinxiang Changcheng Machinery Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-12-17
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a vertical mill material retaining ring device with the iron discharging function, which comprises a first material retaining ring, a second material retaining ring, a disc body and a mill lining plate; the first material blocking ring is positioned on the upper surface of the second material blocking ring, the second material blocking ring is fixed on the disc body through bolts, the disc lining plate is positioned on the inner side of the disc body, an iron collecting groove is formed between the disc body and the disc lining plate, a grinding roller is arranged above the disc lining plate, the first material blocking ring is composed of at least 3 material blocking rings, the material blocking rings are different in thickness, the inner edges of the first material blocking ring and the second material blocking ring and the horizontal plane are provided with an inclination angle, and the size of the inclination angle is 60-68 degrees; the utility model has the advantages of reasonable design, arrange indisputable effectual, avoided the tradition to keep off the material circle row indisputable not good effect and keep off the easy problem that blocks up the material of material circle trompil, reduced the enrichment degree of iron on the mill by a wide margin, reduce the wearing and tearing of grinding roller and mill, extension equipment life.

Description

Vertical mill material retaining ring device with iron discharging function

Technical Field

The utility model relates to a roller mill row iron technical field specifically is a have immediately that grinds material retaining ring device of row iron function concurrently.

Background

The vertical roller mill is called a vertical mill for short, is used for grinding and processing cement raw materials, cement clinker, slag and steel slag, and has the characteristics of simple structure and low manufacturing and using cost. When the vertical roller mill is used for grinding materials, particularly steel slag materials, the iron content of the materials is very high, the materials are difficult to grind by the grinding roller and the grinding disc due to extremely poor grindability of iron, and most of the iron-containing materials and iron sand are retained on the grinding disc and cannot be removed in the grinding process, so that the grinding surfaces of the grinding roller and the grinding disc are seriously abraded, the service lives of the grinding roller and the grinding disc are influenced, the maintenance cost is increased, and the yield of equipment is further influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a have immediately that mill dam ring device of row iron function concurrently, structural design is reasonable, arrange indisputable effectual, avoided traditional dam ring to arrange the iron not good problem of blockking up the material easily with dam ring trompil, reduced the enrichment degree of iron on the mill by a wide margin, reduce the wearing and tearing of grinding roller and mill, extension equipment life reduces cost of maintenance, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a vertical mill material blocking ring device with the iron discharging function comprises a first material blocking ring, a second material blocking ring, a disc body and a grinding disc lining plate; the first material blocking ring is located on the upper surface of the second material blocking ring, the second material blocking ring is fixed to the disc body through bolts, the grinding disc lining plate is located on the inner side of the disc body, an iron collecting groove is formed between the disc body and the grinding disc lining plate, and a grinding roller is arranged above the grinding disc lining plate.

Further, first material blocking ring comprises no less than 3 material blocking rings, the thickness of the material blocking rings is different, the inner sides of the first material blocking ring and the second material blocking ring are provided with an inclination angle with the horizontal plane, the size of the inclination angle is 60-68 degrees, the inclination angle of the inner sides of the first material blocking ring and the second material blocking ring is convenient for removing iron, and blocking is prevented.

Further, the outside of disk body is fixed with the material blocking ring mill backplate through the bolt, and the build-up welding of material blocking ring mill backplate outer lane has the wearing layer, protects the surface of disk body through material blocking ring mill backplate, and the wearing layer of material blocking ring mill backplate improves the wear resistance of material blocking ring mill backplate, reduces the iron plate to the wearing and tearing of material blocking ring mill backplate, increase of service life.

Furthermore, the edge of the inner side of the lower surface of the second material retaining ring is provided with a convex ring, the lower end of the convex ring is clamped into the iron collecting groove, and the iron collecting groove can be tightly fixed on the disc body through the matching of the convex ring and the iron collecting groove.

Furthermore, the cavity between the corresponding surfaces of the first material blocking ring and the grinding roller and the corresponding surfaces of the second material blocking ring are iron discharging cavities, the edge of the outer side of the upper surface of the first material blocking ring is of an arc-shaped structure, and the first material blocking ring enables discharging to be convenient.

Compared with the prior art, the beneficial effects of the utility model are that: this have immediately to grind dam ring device of row iron function concurrently has following benefit:

the utility model discloses on set up and kept off material circle mill backplate, protected the surface of disk body through keeping off material circle mill backplate, the wearing layer that keeps off material circle mill backplate improves the wear resistance who keeps off material circle mill backplate, reduces the wearing and tearing of iron plate to keeping off material circle mill backplate, and increase of service time, the inclination in first fender material circle and the second fender material circle is convenient for get rid of iron, prevents to block up, through protruding circle and the cooperation of iron collecting groove, can be with the inseparable fixing on the disk body in iron collecting groove, the utility model has the advantages of reasonable design, it is effectual to arrange the iron, has avoided traditional fender material circle to arrange the iron not good problem that blocks up the material easily with keeping off the material circle trompil, has reduced the enrichment degree of iron on the mill by a wide margin, reduces the wearing and tearing of grinding roller and mill, extension equipment life, reduces cost of maintenance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is the schematic view of the structure of the iron collecting tank of the present invention.

In the figure: the grinding disc comprises a first material blocking ring 1, a second material blocking ring 2, a grinding disc protective plate 3, an iron collecting groove 4, a grinding disc lining plate 5, a disc body 6, a grinding roller 7 and a convex ring 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1-2, the present invention provides a technical solution: a vertical mill material blocking ring device with the iron discharge function comprises a first material blocking ring 1, a second material blocking ring 2, a disc body 6 and a grinding disc lining plate 5; the first material blocking ring 1 is positioned on the upper surface of the second material blocking ring 2, the second material blocking ring 2 is fixed on the disc body 6 through bolts, the first material blocking ring 1 is composed of at least 3 material blocking rings, the material blocking rings are different in thickness, an inclination angle is arranged between the inner sides of the first material blocking ring 1 and the second material blocking ring 2 and the horizontal plane, the size of the inclination angle is 60-68 degrees, the inclination angle between the inner sides of the first material blocking ring 1 and the second material blocking ring 2 is convenient for removing iron, congestion is prevented, the disc lining plate 5 is positioned on the inner side of the disc body 6, the outer side of the disc body 6 is fixedly provided with a material blocking ring disc guard plate 3 through bolts, a wear-resistant layer is piled and welded on the outer ring of the material blocking ring disc guard plate 3, the outer surface of the disc body 6 is protected through the material blocking ring disc guard plate 3, the wear-resistant layer of the material blocking ring disc guard plate 3 improves the wear-resistant performance of the material blocking ring disc guard plate 3, and reduces the wear of the material blocking ring disc guard plate 3 caused by iron blocks, the utility model has the advantages of prolonging the service life, arranging an iron collecting groove 4 between the disc body 6 and the disc lining plate 5, arranging a convex ring 8 at the inner side edge of the lower surface of the second material retaining ring 2, clamping the lower end of the convex ring 8 into the groove of the iron collecting groove 4, tightly fixing the iron collecting groove 4 on the disc body 6 through the cooperation of the convex ring 8 and the iron collecting groove 4, arranging a grinding roller 7 above the disc lining plate 5, wherein the cavity between the corresponding surfaces of the first material retaining ring 1 and the second material retaining ring 2 and the grinding roller 7 is an iron discharging cavity, the outer side edge of the upper surface of the first material retaining ring 1 is of an arc structure, the first material retaining ring 1 is convenient to discharge, the utility model has reasonable structural design and good iron discharging effect, avoids the problems that the traditional material retaining ring has poor iron discharging effect and the material blocking is easy due to the open pores of the material retaining ring, greatly reduces the enrichment degree of iron on the disc, reduces the abrasion of the grinding roller and the disc, prolongs the service life of the equipment, the maintenance cost is reduced.

When in use: inclination that first fender material circle 1 and second fender material circle 2 set up, so that iron in the iron collecting groove 4 and keep off material circle 1 and second fender material circle 2 around this inclination under the effect of centrifugal force and pass through fender material circle 1 and second fender material circle 2, thereby discharge the outside of disk body 6 with iron, protect disk body 6's surface through keeping off material circle mill backplate 3, the wearing layer of keeping off material circle mill backplate 3 improves the wear resistance of fender material circle mill backplate 3, reduce the iron plate to the wearing and tearing of fender material circle mill backplate 3, the increase of service life, the inclination in first fender material circle 1 and second fender material circle 2 limit is convenient for get rid of iron, prevent to take place to block up, through the cooperation of bulge loop 8 and iron collecting groove 4, can be with the inseparable fixing on disk body 6 of iron collecting groove 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a have immediately that grinds material ring device of row's iron function concurrently, includes first material ring (1), second material ring (2), disk body (6) and mill welt (5), its characterized in that: first material blocking ring (1) is located the upper surface of second material blocking ring (2), and second material blocking ring (2) pass through the bolt fastening to disk body (6), and mill welt (5) are located the inboard of disk body (6), are provided with between disk body (6) and mill welt (5) and collect iron groove (4), and the top of mill welt (5) is provided with grinding roller (7).

2. The material retaining ring device of the vertical mill with the iron discharging function as claimed in claim 1, wherein: first material blocking ring (1) is by being no less than 3 material blocking rings and constitutes, and the thickness that keeps off the material ring is different, and the limit is provided with an inclination with the horizontal plane in first material blocking ring (1) and second material blocking ring (2), and the size of inclination is 60 degrees-68 degrees.

3. The material retaining ring device of the vertical mill with the iron discharging function as claimed in claim 1, wherein: the outer side of the disc body (6) is fixed with a material blocking ring grinding disc protective plate (3) through bolts, and a wear-resistant layer is formed on the outer ring of the material blocking ring grinding disc protective plate (3) in a build-up welding mode.

4. The material retaining ring device of the vertical mill with the iron discharging function as claimed in claim 1, wherein: and a convex ring (8) is arranged at the edge of the inner side of the lower surface of the second material retaining ring (2), and the lower end of the convex ring (8) is clamped in a groove of the iron collecting groove (4).

5. The material retaining ring device of the vertical mill with the iron discharging function as claimed in claim 1, wherein: the cavity between the corresponding surfaces of the first material blocking ring (1), the second material blocking ring (2) and the grinding roller (7) is an iron discharging cavity, and the edge of the outer side of the upper surface of the first material blocking ring (1) is of an arc-shaped structure.