CN214331902U

CN214331902U - Wear-resistant block

Info

Publication number: CN214331902U
Application number: CN202120118486.4U
Authority: CN
Inventors: 柴晓明; 鞠晓
Original assignee: Weifang Zhongjia Silicon Carbide Technology Co ltd
Current assignee: Weifang Zhongjia Silicon Carbide Technology Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-10-01
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses a wear-resistant block, which comprises a wear-resistant block body, wherein the wear-resistant block body is provided with an inner cambered surface and an outer cambered surface, the inner cambered surface is arranged on the upper surface of the wear-resistant block body, the outer cambered surface is arranged on the lower surface of the wear-resistant block body, the wear-resistant block body is provided with a first side surface and a second side surface, the first side surface is arranged on the left side surface of the wear-resistant block body, and the second side surface is arranged on the right side surface of the wear-resistant block body, the utility model discloses, fixing holes are directly manufactured at the same time of hot-pressing sintering, the later-stage processing cost is avoided, an insert can be fixedly connected on the inner wall of a pipeline through the fixing holes, a plurality of groups of inserts can be matched and spliced into a finished ring shape through a chute and a boss, the ring shape after the plurality of groups of inserts is spliced is extended along the length direction of the pipeline through the first step and the second step, the inner wall of the pipeline is paved, and simultaneously, after the first step and the second step are spliced, the screws in the fixing holes can be covered to avoid the abrasion of the screws.

Description

Wear-resistant block

Technical Field

The utility model relates to a silica goods technical field especially relates to wear-resisting piece.

Background

In large-scale power generation, metallurgy and chemical enterprises, serious abrasion of granular materials, slag or flue gas dust to equipment is widely involved, for example, the equipment for treating the water slag of the iron-making blast furnace in the metallurgy industry is introduced from abroad, wherein a granulating tower, a communicating pipe, a distributor and a buffer box are cooling channels for high-temperature water slag, wear-resistant layers on the inner wall of the equipment are all used for building a cast stone brick or a hard alloy overlaying layer and the like, and the cast stone brick built in the granulating tower is found to have short service life, is easy to fall off and is not easy to replace in the production practice; the hard alloy layers adopted by the communicating pipe, the distributor and the buffer tank have poor wear resistance and are difficult to repair, so that normal production operation is influenced, and huge economic loss is caused to enterprises due to production halt caused by difficult maintenance. The wearing-prone devices for conveying various materials generally comprise cast steel, cast stone, ceramic patches and a wear-resistant layer formed by a thermit method, but the cast steel is heavy, the cast stone has poor wear resistance, and the processing defects of the thermit method are more.

After the technological development, new materials have been found which can be used as wear-resistant parts: the silicon carbide ceramic has the excellent characteristics of high-temperature strength, strong high-temperature oxidation resistance, good wear resistance, good thermal stability, small thermal expansion coefficient, high thermal conductivity, high hardness, thermal shock resistance, chemical corrosion resistance and the like, at present, the massive silicon carbide ceramic is used as a wear-resistant block and spliced on the inner wall of a pipeline, in order to reinforce the ceramic wear-resistant blocks, firstly, holes are formed in the centers of the ceramic wear-resistant blocks, the ceramic wear-resistant blocks are fixed by an arc welding method through fixed iron bowls, and the arc welding iron bowls are exposed in some cases, so that the firmness is easily influenced, and the conveying resistance is increased; some use the ceramic bolt to hang tightly, increase the processing degree of difficulty like this, screw thread and ceramic bolt are damaged easily, influence life-span, the second method of reinforcing ceramic wear-resisting piece is sticky, because pottery belongs to non-metallic material, generally as wear-resisting inside lining, its mounting method with the equipment body also bonds with glue usually, this method has higher requirement to installation and service environment, general surface is not smooth enough, the fastness of the equipment surface adhesion that the cleanliness is not high is very poor, if meet strong impact, beat, shake in the in-service use often can form the phenomenon that the whole piece drops, lead to the equipment body to damage rapidly because of losing wear-resisting protection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a wear-resistant block.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the wear-resistant block comprises a wear-resistant block body, wherein the wear-resistant block body is provided with an inner arc surface and an outer arc surface, the inner arc surface is arranged on the upper surface of the wear-resistant block body, the outer arc surface is arranged on the lower surface of the wear-resistant block body, the wear-resistant block body is provided with a first side surface and a second side surface, the first side surface is arranged on the left side surface of the wear-resistant block body, the second side surface is arranged on the right side surface of the wear-resistant block body, the wear-resistant block body is provided with a first end surface and a second end surface, the first end surface is arranged on the front wall of the wear-resistant block body, and the second end surface is arranged on the rear wall of the wear-resistant block body.

As a further description of the above technical solution:

the wear-resistant block body is formed by hot-pressing and sintering a silicon carbide ceramic material.

As a further description of the above technical solution:

the wear-resistant block body is provided with a second step on one side of the inner arc surface, the second step is arranged on one side of the inner arc surface and close to the second end face, and the inner wall of the wear-resistant block body is provided with a fixing hole which is arranged on the inner side of the second step.

As a further description of the above technical solution:

the wear-resistant block body is provided with a first step on one side of the outer arc surface, the first step is arranged on one side of the outer arc surface and close to the first end face, and the first step and the second step are matched in size and shape.

As a further description of the above technical solution:

the inner wall of the wear-resistant block body is provided with a sliding groove, and the sliding groove is formed in the inner wall of the first side face of the wear-resistant block body.

As a further description of the above technical solution:

the outer wall of the wear-resistant block body is provided with a boss, the boss is arranged on the outer wall of the second side face of the wear-resistant block body, and the size of the boss is matched with that of the sliding groove.

The utility model discloses following beneficial effect has:

compared with the prior art, this wear-resisting piece, through directly making the fixed orifices in hot pressing sintering, avoid the later stage at the cost of processing, fixed connection at the pipeline inner wall can be inserted through the fixed orifices, the accessible spout that inserts of multiunit is inlayed with the boss cooperation and is become the annular of accomplishing, the annular after the multiunit is inlayed extends through first step and second step and along pipeline length direction, the pipeline inner wall is paved, and simultaneously, first step and second step are pegged graft the back, can cover the screw in the fixed orifices, avoid screw wearing and tearing.

Drawings

Fig. 1 is a schematic view of the overall structure of the wear-resistant block of the present invention;

fig. 2 is an overall structural front view of the wear-resistant block provided by the present invention;

fig. 3 is a back view of the whole structure of the wear-resistant block of the present invention;

fig. 4 is a bottom view of the whole structure of the wear-resistant block provided by the present invention;

fig. 5 is a top view of the whole structure of the wear-resistant block of the present invention.

Illustration of the drawings:

1. a wear-resistant block body; 2. an intrados surface; 3. an outer arc surface; 4. a first side surface; 5. a second side surface; 6. a first end face; 7. a second end face; 8. a chute; 9. a boss; 10. a first step; 11. a second step; 12. and (7) fixing holes.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the utility model provides a wear-resisting piece: including wear-resisting piece body 1, wear-resisting piece body 1 is provided with intrados 2, extrados 3, intrados 2 sets up at 1 upper surface of wear-resisting piece body, extrados 3 sets up the lower surface at wear-resisting piece body 1, wear-resisting piece body 1 is provided with first side 4, second side 5, first side 4 sets up at 1 left surface of wear-resisting piece body, second side 5 sets up at 1 right flank of wear-resisting piece body, wear-resisting piece body 1 is provided with first terminal surface 6, second terminal surface 7, first terminal surface 6 sets up at 1 antetheca of wear-resisting piece body, second terminal surface 7 sets up at 1 back wall of wear-resisting piece body.

The wear-resistant block body 1 is formed by hot-pressing and sintering a silicon carbide ceramic material, and the silicon carbide ceramic has the excellent characteristics of high-temperature strength, high-temperature oxidation resistance, good wear resistance, good thermal stability, small thermal expansion coefficient, high thermal conductivity, high hardness, thermal shock resistance, chemical corrosion resistance and the like.

The wear-resisting piece body 1 is provided with second step 11 in cambered surface 2 one side, the position that cambered surface 2 one side and be close to second terminal surface 7 is including second step 11 setting, and 1 inner wall of wear-resisting piece body is provided with fixed orifices 12, and fixed orifices 12 set up at second step 11 inboardly, and fixed orifices 12 is makeed together when 1 hot pressing sintering of wear-resisting piece body and is accomplished, avoids follow-up punching again, can fix wear-resisting piece body 1 at the pipeline inner wall through fixed orifices 12.

Wear-resisting piece body 1 is provided with first step 10 in extrados 3 one side, and first step 10 sets up in extrados 3 one side and is close to the position of first terminal surface 6, and first step 10 coincide each other with 11 size shapes of second step, can follow pipeline length direction through first step 10 and second step 11 and splice, and through the concatenation of first step 10 surplus second step 11, can get up the screw protection in the fixed orifices 12, avoid wearing and tearing.

The inner wall of the wear-resistant block body 1 is provided with a sliding chute 8, and the sliding chute 8 is arranged on the inner wall of the first side surface 4 on the wear-resistant block body 1.

The outer wall of the wear-resistant block body 1 is provided with a boss 9, the boss 9 is arranged on the outer wall of the second side face 5 on the wear-resistant block body 1, the boss 9 is matched with the sliding groove 8 in size, and the plurality of groups of wear-resistant block bodies 1 are spliced into a ring through the boss 9 and the sliding groove 8.

The working principle is as follows: boss 9 through the setting of the 1 outer wall of multiunit wear-resisting piece body, spout 8 splices annularly, boss 9, spout 8 size coincide, can splice along pipeline length direction through first step 10 and second step 11, and splice through the 11 concatenations of the 10 second steps of first step, can protect the screw in the fixed orifices 12, avoid wearing and tearing, adopt silicon carbide ceramic as wear-resisting piece body 1's material, silicon carbide ceramic has that high temperature strength is big, high temperature oxidation resistance is strong, wear resistance is good, thermal stability is good, the coefficient of thermal expansion is little, the thermal conductivity is big, hardness is high, good characteristics such as thermal shock resistance and chemical corrosion resistance, whole hot pressing sintering forms, the preparation process is simple.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Wear-resisting piece, including wear-resisting piece body (1), its characterized in that: the wear-resistant block is characterized in that the wear-resistant block body (1) is provided with an inner arc surface (2) and an outer arc surface (3), the inner arc surface (2) is arranged on the upper surface of the wear-resistant block body (1), the outer arc surface (3) is arranged on the lower surface of the wear-resistant block body (1), the wear-resistant block body (1) is provided with a first side surface (4) and a second side surface (5), the first side surface (4) is arranged on the left side surface of the wear-resistant block body (1), the second side surface (5) is arranged on the right side surface of the wear-resistant block body (1), the wear-resistant block body (1) is provided with a first end surface (6) and a second end surface (7), the first end surface (6) is arranged on the front wall of the wear-resistant block body (1), and the second end surface (7) is arranged on the rear wall of the wear-resistant block body (1).

2. The wear resistant block of claim 1, wherein: the wear-resistant block body (1) is formed by hot-pressing and sintering a silicon carbide ceramic material.

3. The wear resistant block of claim 1, wherein: the wear-resistant block is characterized in that a second step (11) is arranged on one side of the inner arc surface (2) of the wear-resistant block body (1), the second step (11) is arranged on one side of the inner arc surface (2) and is close to the second end surface (7), a fixing hole (12) is formed in the inner wall of the wear-resistant block body (1), and the fixing hole (12) is formed in the inner side of the second step (11).

4. The wear resistant block of claim 3, wherein: the wear-resistant block body (1) is provided with a first step (10) on one side of the outer arc surface (3), the first step (10) is arranged on one side of the outer arc surface (3) and close to the first end surface (6), and the first step (10) and the second step (11) are matched in size and shape.

5. The wear resistant block of claim 1, wherein: the inner wall of the wear-resistant block body (1) is provided with a sliding groove (8), and the sliding groove (8) is arranged on the inner wall of the first side surface (4) on the wear-resistant block body (1).

6. The wear resistant block of claim 5, wherein: the wear-resistant block is characterized in that a boss (9) is arranged on the outer wall of the wear-resistant block body (1), the boss (9) is arranged on the outer wall of the second side face (5) of the wear-resistant block body (1), and the size of the boss (9) is matched with that of the sliding groove (8).