CN218048202U

CN218048202U - High-strength wear-resistant alloy steel lining tile for coal mill

Info

Publication number: CN218048202U
Application number: CN202220742809.1U
Authority: CN
Inventors: 陈义明; 陈健
Original assignee: Jiangsu Jiaerxin Metallurgical Equipment Co ltd
Current assignee: Jiangsu Jiaerxin Metallurgical Equipment Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-12-16
Anticipated expiration: 2032-04-01

Abstract

The utility model belongs to the technical field of the coal pulverizer lining tile technique and specifically relates to a coal pulverizer lining tile of high strength wear-resisting alloy steel, including the lining tile main part, the lining tile main part includes the lining tile body, lining tile body top center department is equipped with the trough, lining tile body top just is located trough inside and has seted up two mounting holes, the mounting hole internally mounted can effectively avoid leading to the not hard up connection structure of bolt because the vibration, just lining tile body bottom fixedly connected with rubber pad is through setting up connection structure for this lining tile can effectually reduce the coal pulverizer and take place not hard up the phenomenon that leads to appearing leaking the powder in long-time work back bolt, and then has guaranteed the result of use of coal pulverizer to a certain extent.

Description

High-strength wear-resistant alloy steel lining tile for coal mill

Technical Field

The utility model relates to a coal pulverizer lining tile technical field specifically is a coal pulverizer lining tile of wear-resisting alloy steel of high strength.

Background

The coal mill is a machine for crushing and grinding coal blocks into coal powder, is an important auxiliary device of a coal powder furnace, is widely applied to the production industries of cement, silicate products, novel building materials, refractory materials, chemical fertilizers, black and non-ferrous metal ore dressing, glass ceramics and the like, carries out dry or wet grinding on various ores and other grindable materials, is generally used in the coal mill to protect a cylinder body in the coal mill, prevents the cylinder body from being directly impacted and abraded by a grinding body and the materials, and can also adjust the motion state of the grinding body by utilizing lining plates in different forms to enhance the grinding effect of the grinding body on the materials, thereby being beneficial to improving the grinding efficiency of the mill, increasing the yield and reducing the metal consumption.

However, the lining tile of the coal mill in the prior art still has a plurality of defects, generally, in the working process of the coal mill, due to the working characteristics of the coal mill, the loss generated on the lining tile in the day and night running process of the machine is very huge, so the lining tile can be continuously worn, and the service life of the lining tile is greatly shortened; and at present, the lining tiles are mostly fixed on the roller by adopting simple bolts, but the coal mill has vibration in the working process, and the bolts are easy to loosen after long-time use to cause the phenomenon of powder leakage, so that the use effect of the coal mill can be reduced to a certain extent.

There is therefore a need for a high strength wear resistant alloy steel mill liner that ameliorates the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal pulverizer lining tile of wear-resisting alloy steel of high strength to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a high strength wear-resisting alloy steel's coal pulverizer lining tile, includes the lining tile main part, the lining tile main part includes the lining tile body, lining tile body top center department is equipped with the trough, lining tile body top just is located trough inside and has seted up two mounting holes, mounting hole internally mounted can effectively avoid leading to the not hard up connection structure of bolt because the vibration, just lining tile body bottom fixedly connected with rubber pad.

As the utility model discloses preferred scheme, the lining tile body includes the lining tile base member, and wherein lining tile base member top and bottom are equipped with first wearing layer and second wearing layer respectively.

As the utility model discloses preferred scheme, the material of lining tile base member is high strength wear-resisting alloy steel.

As the utility model discloses preferred scheme, connection structure includes the interior grommet through tie coat fixed connection inside the mounting hole, and the inside internal thread groove that is equipped with of interior grommet.

As the utility model discloses preferred scheme, interior grommet is made for the rubber material, and clearance fit between interior grommet and the mounting hole.

As the utility model discloses preferred scheme, the through-hole of mutually supporting with the mounting hole is seted up to the position that rubber pad bottom and mounting hole correspond.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up the lining tile base member, and because the material of lining tile base member is high strength wear-resisting alloy steel to make the intensity and the wear resistance of this lining tile all by effectual improvement, and the setting of first wearing layer and second wearing layer can further the wear resistance of effectual assurance lining tile, make the wear resistance of this lining tile in the in-service use in-process by effectual improvement, thereby can the effectual life who guarantees the lining tile.

2. The utility model discloses in, through setting up connection structure, when this lining tile before using, through the tie coat with inside liner ring fixed connection inside the mounting hole, because the interior backing ring is made for the rubber material, thereby be connected with the cylinder through the inside internal thread groove of interior backing ring when the bolt and install, because the setting of interior backing ring can effectively reduce the phenomenon that the vibration leads to the bolt not hard up in the coal pulverizer working process, make this lining tile can effectually reduce the coal pulverizer and take place not hard up the phenomenon that leads to appearing leaking the powder in long-time work back bolt, and then the result of use of coal pulverizer has been guaranteed to a certain extent.

Drawings

FIG. 1 is an isometric view of the overall structure of the present invention;

fig. 2 is an elevation view of the overall internal structure of the present invention;

fig. 3 is an enlarged view of the region a of the present invention.

In the figure: 1. a lining tile body; 101. a lining tile body; 1011. a lining tile base body; 1012. a first wear resistant layer; 1013. a second abrasion resistant layer; 102. a rubber pad; 103. a wave trough; 104. mounting holes; 105. a through hole; 2. a connecting structure; 201. an inner liner ring; 202. an internal thread groove; 203. and (6) bonding layers.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the present invention are presented. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a high strength wear-resisting alloy steel's coal pulverizer lining tile, including lining tile main part 1, lining tile main part 1 includes lining tile body 101, lining tile body 101 top center department is equipped with trough 103, lining tile body 101 top just is located trough 103 inside and has seted up two mounting holes 104, mounting hole 104 internally mounted has can effectively avoid leading to the not hard up connection structure 2 of bolt owing to the vibration, and lining tile body 101 bottom fixedly connected with rubber pad 102, through setting up lining tile body 101, make the wear resistance of this lining tile in the in-service use process by effectual improvement, thereby can effectually guarantee the life of lining tile, through setting up connection structure 2, make this lining tile can effectually reduce the coal pulverizer take place not hard up phenomenon that leads to appearing leaking the powder after long-time work, and then guarantee the result of use of coal pulverizer to a certain extent.

In an embodiment, referring to fig. 3, the lining tile body 101 includes a lining tile base 1011, wherein the top and the bottom of the lining tile base 1011 are respectively provided with a first wear layer 1012 and a second wear layer 1013, the lining tile base 1011 is made of high-strength wear-resistant alloy steel, by providing the lining tile body 101, the wear resistance of the lining tile in the actual use process is effectively improved, so that the service life of the lining tile can be effectively ensured, in the actual use process, because the lining tile base 1011 is made of high-strength wear-resistant alloy steel, the strength and the wear resistance of the lining tile are effectively improved, and the first wear layer 1012 and the second wear layer 1013 can further effectively ensure the wear resistance of the lining tile, so that the wear resistance of the lining tile in the actual use process is effectively improved, and the service life of the lining tile can be effectively ensured.

In the embodiment, referring to fig. 1 and fig. 2, the connection structure 2 includes a lining ring 201 fixedly connected to the inside of the mounting hole 104 through a bonding layer 203, and an inner threaded groove 202 is formed in the lining ring 201, the lining ring 201 is made of rubber, and the lining ring 201 is in clearance fit with the mounting hole 104, a through hole 105 matched with the mounting hole 104 is formed in a position corresponding to the mounting hole 104 at the bottom of the rubber pad 102, by providing the connection structure 2, the lining tile can effectively reduce the phenomenon that the bolt loosens after the coal pulverizer works for a long time to cause powder leakage, and further guarantee the use effect of the coal pulverizer to a certain extent, in practical use, the lining ring 201 is fixedly connected to the inside of the mounting hole 104 through the bonding layer 203, because the lining ring 201 is made of rubber, when the bolt is connected with a roller through the inner threaded groove 202 in the lining ring 201, the phenomenon that the bolt loosens during the working process of the coal pulverizer can be effectively reduced, so that the phenomenon that the bolt loosens after the coal pulverizer works to cause powder leakage can be effectively reduced, and further guarantee the use effect of the coal pulverizer to a certain extent.

The working principle is as follows: before the lining tile is used, the lining ring 201 is fixedly connected inside the mounting hole 104 through the bonding layer 203, the lining ring 201 is made of rubber, so that when bolts are connected with a roller through the internal thread grooves 202 inside the lining ring 201, the phenomenon that the bolts are loosened due to vibration generated in the working process of the coal mill can be effectively reduced due to the arrangement of the lining ring 201, the phenomenon that the bolts are loosened to cause powder leakage after the coal mill works for a long time can be effectively reduced, the using effect of the coal mill is further ensured to a certain extent, when the lining tile is used, the material of the lining tile base body 1011 is high-strength wear-resistant alloy steel, the strength and the wear resistance of the lining tile are effectively improved, the wear resistance of the lining tile can be further effectively ensured due to the arrangement of the first wear-resistant layer 1012 and the second wear-resistant layer 1013, the wear resistance of the lining tile in the actual use process is effectively improved, and the service life of the lining tile can be effectively ensured.

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 coal pulverizer bushing of wear-resisting alloy steel of high strength, includes bushing main part (1), its characterized in that: the lining tile comprises a lining tile body (101), a wave trough (103) is arranged in the center of the top of the lining tile body (101), two mounting holes (104) are formed in the top of the lining tile body (101) and located in the wave trough (103), a connecting structure (2) capable of effectively preventing bolts from loosening due to vibration is mounted in each mounting hole (104), and a rubber pad (102) is fixedly connected to the bottom of the lining tile body (101).

2. The high strength wear resistant alloy steel mill liner shoe as set forth in claim 1, wherein: the lining tile body (101) comprises a lining tile base body (1011), wherein the top and the bottom of the lining tile base body (1011) are respectively provided with a first wear-resistant layer (1012) and a second wear-resistant layer (1013).

3. The high strength wear resistant alloy steel mill liner shoe as set forth in claim 2, wherein: the lining tile base body (1011) is made of high-strength wear-resistant alloy steel.

4. The high strength wear resistant alloy steel mill liner shoe as set forth in claim 1, wherein: the connecting structure (2) comprises a lining ring (201) fixedly connected to the inside of the mounting hole (104) through a bonding layer (203), and an inner thread groove (202) is formed in the lining ring (201).

5. The high strength wear resistant alloy steel mill liner tile of claim 4, wherein: the lining ring (201) is made of rubber materials, and the lining ring (201) is in clearance fit with the mounting hole (104).

6. The high strength wear resistant alloy steel mill liner shoe as set forth in claim 1, wherein: the bottom of the rubber pad (102) is provided with a through hole (105) which is matched with the mounting hole (104) at a position corresponding to the mounting hole (104).