CN214500516U

CN214500516U - Ceramic lining wear-resistant pipeline

Info

Publication number: CN214500516U
Application number: CN202120508990.5U
Authority: CN
Inventors: 张甲营
Original assignee: Zaozhuang Jinghong Electric Power Material Co ltd
Current assignee: Zaozhuang Jinghong Electric Power Material Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-10-26
Anticipated expiration: 2031-03-02

Abstract

The utility model discloses a wear-resisting pipeline of ceramic lining, including main pipe box and auxiliary pipe box, main pipe box is nested each other with auxiliary pipe box, the cover is equipped with wear-resisting inner tube between the inside of main pipe box and auxiliary pipe box, it is equipped with fixed steelframe to inlay on the inside pipe wall of wear-resisting inner tube, the mounting groove has evenly been seted up on the inside pipe wall of wear-resisting inner tube, set up the spacing hole with the mounting groove intercommunication on the fixed steelframe, sliding connection has the sliding key between the both sides of mounting groove inner wall, on the pipe outer wall of wear-resisting inner tube and be located the mounting groove under inlay and be equipped with the installation lid. The utility model discloses a sliding key upwards promotes the connecting seat, and the connecting seat upwards promotes ceramic block for ceramic block continues to fill up spacing hole, and the internal surface of fixed steelframe no longer presents unevenness, can continue to carry out the buggy conveying, and the pipeline inner wall increases ceramic block and steelframe, increases the wearability of pipeline inner wall, need not the change pipeline of high-frequency, has saved the apparatus for producing cost.

Description

Ceramic lining wear-resistant pipeline

Technical Field

The utility model relates to a wear-resisting pipeline technical field specifically is a wear-resisting pipeline of ceramic lining.

Background

The pulverized coal conveying pipeline of the boiler of the thermal power plant is wear-resistant, and must, leak protection, corrosion protection, rain protection, freezing protection and other factors are designed, wherein the main points are wear resistance and corrosion protection, the wear-resistant elbow of the pulverized coal pipeline is particularly serious, the abrasion-resistant elbow is a key part for overhauling the power plant for a long time, and the comprehensive performance, particularly the wear resistance, of the pipeline system directly relates to the operation cost and the economic benefit of the whole power plant.

At present, the existing coal powder conveying pipeline is not high in abrasive resistance, the abrasion to the inner wall of the pipeline is large in long-term coal powder conveying, the pipeline can be cracked and damaged, the pipeline needs to be replaced at high frequency, the production cost is greatly increased, the whole pipeline needs to be replaced during replacement, and the replacement is inconvenient, time-consuming and labor-consuming.

Therefore, there is a need to provide a ceramic lined wear resistant pipe to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ceramic lining wear-resisting pipeline to solve prior art wear resistance and hang down, problem that life is short.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wear-resisting pipeline of ceramic lining, includes main pipe box and auxiliary pipe box, main pipe box and auxiliary pipe box are nested each other, the cover is equipped with wear-resisting inner tube between the inside of main pipe box and auxiliary pipe box, it is equipped with fixed steelframe to inlay on the inside pipe wall of wear-resisting inner tube, the mounting groove has evenly been seted up on the inside pipe wall of wear-resisting inner tube, set up the spacing hole with the mounting groove intercommunication on the fixed steelframe, sliding connection has the sliding key between the both sides of mounting groove inner wall, on the pipe outer wall of wear-resisting inner tube and be located the mounting groove under inlay and be equipped with the installation lid, evenly overlap from a left side to the right side between the top of installation lid and the bottom of sliding key and be equipped with the spring, the top fixedly connected with connecting seat of sliding key, ceramic block has been placed at the top of connecting seat, ceramic block's top extends to the inside in spacing hole.

Preferably, the mounting cover is fixedly connected with the wear-resistant inner pipe through a screw, the fixed steel frame is tubular, and a sliding groove matched with the sliding key to slide is formed in the mounting groove.

Preferably, a fixed bottom clamp is sleeved between the lower surfaces of the main pipe sleeve and the auxiliary pipe sleeve, and bolts are fixedly connected to two sides of the top of the fixed bottom clamp.

Preferably, a fixed top clamp is sleeved on the top between the upper surfaces of the main pipe sleeve and the auxiliary pipe sleeve and positioned on the fixed bottom clamp, and the fixed top clamp is fixedly connected with the fixed bottom clamp through a bolt and a nut.

Preferably, the ceramic block is hexagonal frustum shape, the connecting seat is inverted hexagonal frustum shape, the limiting hole is hexagonal frustum shape, and the mounting cover is fixedly connected with the wear-resistant inner tube through a screw.

Preferably, the ceramic block is in a quadrangular frustum pyramid shape, the connecting seat is in an inverted quadrangular frustum pyramid shape, and the limiting hole is in a quadrangular frustum pyramid shape.

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

(1) this wear-resisting pipeline of ceramic lining, carry in the inside of wear-resisting inner tube through the buggy, in the transportation process, the buggy only rubs with ceramic piece and fixed steelframe, make the pipe wall of wear-resisting inner tube can directly not contact with the buggy, the ceramic piece is wear-resisting, long-term the back of using, the surface that the ceramic piece is close to the pipeline receives slight wearing and tearing back, highly reduce, the volume diminishes, the spring upwards promotes the sliding key, the sliding key upwards promotes the connecting seat, the connecting seat upwards promotes the ceramic piece, make the ceramic piece continue to fill up spacing hole, the internal surface of fixed steelframe no longer presents unevenness, can continue to carry out the buggy conveying, pipe inner wall increases ceramic piece and steelframe, increase pipe inner wall's wearability, the change pipeline that need not the high frequency, the apparatus for producing cost has been saved.

(2) The ceramic lining wear-resistant pipeline is characterized in that a nut is unscrewed from a bolt, a fixed top clamp is disassembled, the fixed top clamp and a fixed bottom clamp are taken down from the outer parts of a main pipe sleeve and an auxiliary pipe sleeve, then the main pipe sleeve and the auxiliary pipe sleeve are disassembled, the position of a cracked ceramic block is determined, a screw on a mounting cover is unscrewed, the mounting cover is disassembled, a sliding key is pulled downwards and taken out from the inside of a mounting groove, a connecting seat can be taken out from the inside of the mounting groove, a limiting hole is in a hexagonal frustum shape, the upper part is narrow and the lower part is wide, the ceramic block can be taken out from the inside of the limiting hole, a new ceramic block is placed at the top of the connecting seat and placed into the inside of the mounting groove, the sliding key is aligned with sliding grooves on the two sides of the mounting groove to push the sliding key, the ceramic block is clamped at the limiting hole, the mounting cover is fixed through the screw, the mounting and replacement of the ceramic block are completed, the ceramic wear-resistant layer assembled through a steel frame has a better anti-cracking effect, and after the ceramic blocks are cracked individually, the ceramic blocks can be replaced and installed individually without dismantling and replacing the whole pipeline, so that the maintenance cost is saved, and the service life of the pipeline is prolonged.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a ceramic lining wear-resistant pipeline provided by the present invention;

FIG. 2 is an enlarged view of the structure shown at A in FIG. 1;

FIG. 3 is a top view of the stationary steel frame of FIG. 1 in a schematic expanded configuration;

fig. 4 is a schematic structural diagram of another preferred embodiment of the ceramic lining wear-resistant pipeline provided by the present invention.

In the figure: 1. a main pipe sleeve; 2. an auxiliary pipe sleeve; 3. fixing the bottom clamp; 4. a nut; 5. a bolt; 6. fixing the top clamp; 7. a wear-resistant inner tube; 8. fixing the steel frame; 9. mounting grooves; 10. a sliding key; 11. a connecting seat; 12. a ceramic block; 13. a screw; 14. installing a cover; 15. a spring; 16. and a limiting hole.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a ceramic lining wear-resistant pipeline comprises a main pipe sleeve 1 and an auxiliary pipe sleeve 2, wherein the main pipe sleeve 1 and the auxiliary pipe sleeve 2 are nested with each other, a wear-resistant inner pipe 7 is sleeved between the main pipe sleeve 1 and the inner part of the auxiliary pipe sleeve 2, a fixed steel frame 8 is embedded on the inner wall of the wear-resistant inner pipe 7, the inner wall of the wear-resistant inner pipe 7 is uniformly provided with mounting grooves 9, the fixed steel frame 8 is provided with limiting holes 16 communicated with the mounting grooves 9, a sliding key 10 is connected between the two sides of the inner wall of the mounting groove 9 in a sliding way, a mounting cover 14 is embedded on the outer wall of the wear-resistant inner pipe 7 and is positioned right below the mounting groove 9, a spring 15 is uniformly sleeved between the top of the mounting cover 14 and the bottom of the sliding key 10 from left to right, the top of the sliding key 10 is fixedly connected with a connecting seat 11, a ceramic block 12 is placed on the top of the connecting seat 11, and the top of the ceramic block 12 extends to the inside of the limiting hole 16.

The mounting cover 14 is fixedly connected with the wear-resistant inner tube 7 through a screw 13, the fixed steel frame 8 is tubular, and a sliding groove matched with the sliding key 10 in a sliding mode is formed in the mounting groove 9.

The lower surface of the main pipe sleeve 1 and the lower surface of the auxiliary pipe sleeve 2 are sleeved with a fixed bottom clamp 3, and bolts 5 are fixedly connected to two sides of the top of the fixed bottom clamp 3.

The top cover that just is located fixed end clamp 3 between the upper surface of main pipe box 1 and auxiliary pipe box 2 is equipped with fixed top clamp 6, fixed top clamp 6 passes through bolt 5 and nut 4 and fixed end clamp 3 fixed connection.

Ceramic block 12 is hexagonal terrace with edge shape, connecting seat 11 is the shape of falling hexagonal terrace with edge, spacing hole 16 is hexagonal terrace with edge shape, installation lid 14 passes through screw 13 and wear-resisting inner tube 7 fixed connection, and spacing hole 16 is narrow down wide, and is spacing to ceramic block 12 of narrow down wide simultaneously for ceramic block 12 can not be released spacing hole 16 outside with spacing hole 16 chucking in the time.

The utility model provides another embodiment, as shown in FIG. 4: the ceramic block (12) is in a quadrangular frustum pyramid shape, the connecting seat (11) is in an inverted quadrangular frustum pyramid shape, and the limiting hole (16) is in a quadrangular frustum pyramid shape.

The working principle is as follows: when the coal dust conveyor is used, coal dust is conveyed inside the wear-resistant inner pipe 7, during the conveying process, the coal dust only rubs with the ceramic block 12 and the fixed steel frame 8, so that the pipe wall of the wear-resistant inner pipe 7 cannot be directly contacted with the coal dust, the ceramic block 12 is wear-resistant, after long-term use, the surface, close to a pipeline, of the ceramic block 12 is slightly worn, the height is reduced, the size is reduced, the spring 15 pushes the sliding key 10 upwards, the sliding key 10 pushes the connecting seat 11 upwards, the connecting seat 11 pushes the ceramic block 12 upwards, so that the ceramic block 12 continues to fill the limiting hole 16, the inner surface of the fixed steel frame 8 does not present unevenness any more, coal dust conveying can be continued, when the individual ceramic block 12 is cracked after long-term use, the nut 4 can be unscrewed from the bolt 5, the fixed top clamp 6 is detached, the fixed top clamp 6 and the fixed bottom clamp 3 are taken down from the outer parts of the main pipe sleeve 1 and the auxiliary pipe sleeve 2, then the main pipe sleeve 1 and the auxiliary pipe sleeve 2 are disassembled, the position of the cracked ceramic block 12 is determined, the screw 13 on the mounting cover 14 is unscrewed, the mounting cover 14 is disassembled, the sliding key 10 is pulled downwards to be taken out from the inside of the mounting groove 9, then the connecting seat 11 can be taken out from the inside of the mounting groove 9, the limiting hole 16 is in a hexagonal frustum shape with a narrow top and a wide bottom, the ceramic block 12 can be taken out from the limiting hole 16, a new ceramic block 12 is placed at the top of the connecting seat 11 and is placed in the inside of the mounting groove 9, the sliding key 10 is aligned to sliding grooves on two sides of the mounting groove 9 to push the sliding key 10, the ceramic block 12 is clamped at the limiting hole 16, the mounting cover 14 is fixed through the screw 13 to complete the mounting and replacement of the ceramic block 12, the main pipe sleeve 1 and the auxiliary pipe sleeve 2 are mutually nested outside the wear-resistant inner pipe 7, and the main pipe sleeve 1 and the auxiliary pipe sleeve 2 are fixed through the fixed bottom clamp 3 and the fixed top clamp 6, the installation is completed, and the conveying of the coal powder can be continued.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a wear-resisting pipeline of ceramic lining, includes main pipe box (1) and auxiliary pipe box (2), its characterized in that: the pipe fitting is characterized in that the main pipe sleeve (1) and the auxiliary pipe sleeve (2) are mutually nested, a wear-resistant inner pipe (7) is sleeved between the main pipe sleeve (1) and the auxiliary pipe sleeve (2), a fixed steel frame (8) is embedded on the inner wall of the wear-resistant inner pipe (7), mounting grooves (9) are uniformly formed in the inner wall of the wear-resistant inner pipe (7), a limiting hole (16) communicated with the mounting groove (9) is formed in the fixed steel frame (8), a sliding key (10) is connected between two sides of the inner wall of the mounting groove (9) in a sliding mode, a mounting cover (14) is embedded on the outer wall of the wear-resistant inner pipe (7) and is located under the mounting groove (9), a spring (15) is uniformly sleeved between the top of the mounting cover (14) and the bottom of the sliding key (10) from left to right, and the top of the sliding key (10) is fixedly connected with a connecting seat (11), the ceramic block (12) is placed at the top of the connecting seat (11), and the top of the ceramic block (12) extends into the limiting hole (16).

2. The ceramic lined wear resistant pipe of claim 1, wherein: the mounting cover (14) is fixedly connected with the wear-resistant inner tube (7) through a screw (13), the fixed steel frame (8) is tubular, and a sliding chute matched with the sliding key (10) is formed in the mounting groove (9).

3. The ceramic lined wear resistant pipe of claim 1, wherein: the fixed bottom clamp (3) is sleeved between the lower surfaces of the main pipe sleeve (1) and the auxiliary pipe sleeve (2), and bolts (5) are fixedly connected to two sides of the top of the fixed bottom clamp (3).

4. The ceramic lined wear resistant pipe of claim 3, wherein: the fixed bottom clamp is characterized in that a fixed top clamp (6) is sleeved between the upper surfaces of the main pipe sleeve (1) and the auxiliary pipe sleeve (2) and located at the top of the fixed bottom clamp (3), and the fixed top clamp (6) is fixedly connected with the fixed bottom clamp (3) through a bolt (5) and a nut (4).

5. The ceramic lined wear resistant pipe of claim 1, wherein: the ceramic block (12) is in a hexagonal frustum shape, the connecting seat (11) is in an inverted hexagonal frustum shape, the limiting hole (16) is in a hexagonal frustum shape, and the mounting cover (14) is fixedly connected with the wear-resistant inner tube (7) through a screw (13).

6. The ceramic lined wear resistant pipe of claim 1, wherein: the ceramic block (12) is in a quadrangular frustum pyramid shape, the connecting seat (11) is in an inverted quadrangular frustum pyramid shape, and the limiting hole (16) is in a quadrangular frustum pyramid shape.