CN209800882U

CN209800882U - Integral ceramic pipeline

Info

Publication number: CN209800882U
Application number: CN201920069406.3U
Authority: CN
Inventors: 周超平
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-16
Filing date: 2019-01-16
Publication date: 2019-12-17
Anticipated expiration: 2029-01-16

Abstract

the utility model discloses an integral ceramic pipeline, including outer straight steel pipe and outer curved steel pipe, the inside of outer straight steel pipe and outer curved steel pipe all is provided with wear-resisting pipe in the carborundum, and the outer wall winding of wear-resisting pipe in the carborundum has carbon cloth, outer straight steel pipe and outer curved steel pipe all through ceramic cement articulamentum and carborundum wear-resisting pipe fixed connection, the link of outer straight steel pipe has all welded the spacing ring, and the inboard of spacing ring all is provided with annular block groove, the outside of outer straight steel pipe all overlaps the ring flange of being connected with the spacing ring, and is provided with a plurality of bolt assembly on the ring flange, and this pipeline can improve wear resistance and shock resistance under the prerequisite that does not influence bulk strength, and the pipeline inner wall is more smooth and level, and frictional resistance is less, is favorable to the flow and the transport of concrete, and simultaneously, the cost is lower, The weight is lighter, the service life is longer, the processing is simpler, and the method is suitable for batch production.

Description

Integral ceramic pipeline

Technical Field

The utility model relates to a high pressure pipeline field specifically is a whole ceramic pipeline.

background

When materials such as concrete are conveyed, due to the particularity of the concrete materials and the harsh conditions of high-pressure conveying, the existing concrete conveying pipelines are made of metal wear-resistant materials, two pipelines are divided into a single-layer pipe in the market at present, and the single-layer pipe is short in service life and is gradually replaced; the other type of the composite double-layer pipe is a composite double-layer pipe, wherein the composite double-layer pipe mostly adopts high-chromium cast iron, high-chromium alloy and the like as an abrasion-resistant inner layer, a straight pipe is generally 3.5 mm thick, the thickness of a bent pipe is about 5-10 mm, the outer layer is seamless low-carbon steel, the composite double-layer pipe is a pressure-bearing protective layer, and a ceramic lining or an inner wall of the composite double-layer pipe is also usually pasted with a full ceramic sheet.

However, the wear-resistant metal is very expensive, is not suitable for being used for conveying concrete, and in order to improve the wear resistance of the pipeline, the thickness of the wear-resistant inner layer needs to be increased, which also causes the weight of the pipeline to be increased, is inconvenient to install and increases the safety risk; the local lining ceramic has troublesome manufacturing process, low processing speed and low production efficiency, and the ceramic position of the high-chromium integral wear-resistant layer in the original elbow needs to be cut and then the ceramic block is attached, so that the smoothness and the flatness of the pipeline cannot be ensured, and the wear resistance is not high; the inner wall pastes full potsherd, and generally all be the square structure of size uniformity, poor stability, and impact resistance is poor, and the surface can't be leveled, and the height is uneven will increase the flow resistance of concrete to processing is very time-consuming and hard, if straight tube or return bend are too long, need cut off the metal outer tube earlier, carries out the paster to the inner wall, welds into whole again, increases the pipeline and does not endure high pressure risk, also can't guarantee the required precision of size.

disclosure of Invention

In order to overcome the not enough of prior art scheme, the utility model provides a whole ceramic pipeline, this pipeline can improve wear resistance and shock resistance under the prerequisite that does not influence bulk strength, and the pipeline inner wall is more smooth and level, and frictional resistance is less, is favorable to the flow and the transport of concrete, and simultaneously, the cost is lower, weight is lighter, life is longer, processing is simpler, is fit for batch production, can the effectual problem that the solution background art provided.

The utility model provides a technical scheme that its technical problem adopted is:

An integral ceramic pipeline comprises an outer layer straight steel pipe and an outer layer bent steel pipe, wherein silicon carbide inner wear-resistant pipes are arranged inside the outer layer straight steel pipe and the outer layer bent steel pipe respectively, carbon fiber cloth is wound on the outer walls of the silicon carbide inner wear-resistant pipes, and the outer layer straight steel pipe and the outer layer bent steel pipe are fixedly connected with the silicon carbide inner wear-resistant pipes through ceramic glue connection layers;

the utility model discloses a steel pipe, including outer straight steel pipe, spacing ring, ring flange, and the flange of being connected with the spacing ring, the link of outer straight steel pipe all welds there is the spacing ring, and the inboard of spacing ring all is provided with annular block groove, the outside of outer straight steel pipe all overlaps and is equipped with the ring flange of being connected with the spacing ring, and is provided with a plurality of bolt assembly on the ring flange.

Further, the link of outer curved steel pipe all is provided with annular spread groove, and the outside cover of outer curved steel pipe link is equipped with the coupling, the inboard both ends of coupling all are provided with the annular arch that matches with annular spread groove.

Furthermore, the pipe joints are all internally sleeved with silicon carbide wear-resistant sleeves, and the silicon carbide wear-resistant sleeves are all fixedly connected with the pipe joints through ceramic glue connecting layers.

Furthermore, the outside of spacing ring all is provided with the annular seal groove, and is provided with the sealing washer in the annular seal groove.

Further, the outer wall of the silicon carbide inner wear-resistant pipe is provided with a plurality of strip-shaped protrusions, and the inner wall of the outer straight steel pipe is provided with strip-shaped grooves matched with the strip-shaped protrusions.

further, the outer portions of the outer layer straight steel pipe and the outer layer bent steel pipe are respectively sleeved with a rubber protective layer.

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

The utility model discloses can improve its wear resistance and shock resistance under the prerequisite that does not influence pipeline bulk strength, and the pipeline inner wall is more smooth level and smooth, and frictional resistance is less, is favorable to the flow and the transport of concrete, and simultaneously, the cost of this pipeline is lower, weight is lighter, life is longer, processing is simpler, is fit for extensive batch production.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the outer straight steel pipe of the present invention;

FIG. 2 is a schematic view of the connection structure of the outer straight steel pipe of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the outer curved steel pipe of the present invention;

fig. 4 is the side view structure schematic diagram of the outer curved steel tube of the utility model.

reference numbers in the figures:

1-outer layer straight steel pipe; 2-bending the steel pipe at the outer layer; 3-a silicon carbide inner wear-resistant tube; 4-carbon fiber cloth; 5-ceramic glue connection layer; 6-a limiting ring; 7-an annular clamping groove; 8-a flange plate; 9-a bolt assembly; 10-a ring-shaped connecting groove; 11-a pipe joint; 12-an annular projection; 13-a silicon carbide wear-resistant sleeve; 14-an annular seal groove; 15-sealing ring; 16-strip-shaped protrusions; 17-a strip-shaped groove; 18-protective layer of rubber.

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.

As shown in fig. 1 to 4, the utility model provides an integral ceramic pipeline, including outer straight steel pipe 1 and outer curved steel pipe 2, outer straight steel pipe 1 and outer curved steel pipe 2 are low carbon seamless steel pipe, thickness is between 2.5 mm-5 mm, specific thickness can be adjusted by its usage and pressure demand, wherein, outer straight steel pipe 1 is used for straight partial pipeline, if required straight pipeline overlength, can be formed by multisection pipe connection, outer curved steel pipe 2 is used for the pipeline of elbow part, its specific angle of buckling is decided according to the demand, can guarantee the holistic intensity of pipeline through outer straight steel pipe 1 and outer curved steel pipe 2, outer straight steel pipe 1 and outer curved steel pipe 2's outside all overlaps and is equipped with rubber protective layer 18, through setting up rubber protective layer 18, can increase the anti-knock of pipeline, the crash capability, be favorable to protecting the pipeline.

The inside of outer straight steel pipe 1 and outer curved steel pipe 2 all is provided with wear-resisting pipe 3 in the carborundum, wear-resisting pipe 3 is made by carborundum ceramic material in the carborundum, thickness is about 5 mm, and the cost is cheaper, wear-resisting property of wear-resisting pipe 3 in the carborundum is better, and the pipeline inner wall is more smooth and level, frictional resistance is less, be favorable to the flow and the transport of concrete, and simultaneously, wear-resisting pipe 3's weight is lighter in the carborundum, make the holistic weight of pipeline lighter, be convenient for installation and processing, be fit for extensive batch production.

The outer wall of wear-resisting pipe 3 is provided with the protruding 16 of a plurality of bar in the carborundum, and the inner wall of outer straight steel pipe 1 is provided with the bar groove 17 that matches with the protruding 16 matches of bar, through setting up protruding 16 of bar and bar groove 17, can make the connection of wear-resisting pipe 3 more firm in outer straight steel pipe 1 and the carborundum, and makes things convenient for the location of wear-resisting pipe 3 in the carborundum.

The carbon fiber cloth 4 is wound on the outer wall of the silicon carbide inner wear-resistant pipe 3, the carbon fiber cloth 4 can increase the bearing high-pressure capacity of the wear-resistant pipe, double-layer pressure-resistant protection can be formed by the carbon fiber and the metal outer layer, and the safety coefficient is higher; meanwhile, the carbon fiber cloth 4 can restrain the pipeline from cracking or can restrain the pipeline from falling off after cracking as much as possible, the use is not influenced by the cracking of the wear-resistant layer, the carbon fiber cloth 4 is added, so that the wear-resistant layer can be attached to the outer wall even if the wear-resistant layer cracks, and the integrity of the wear-resistant layer is ensured; in addition, because carbon cloth 4 is fixed to lean on epoxy to glue, glue can change hardness along with temperature variation, can make the interior outer layer adaptation elasticity like this, prevent to lead to damaging because of temperature variation. The carbon fiber cloth 4 may be replaced with carbon filaments having similar effects.

the outer layer straight steel pipe 1 and the outer layer bent steel pipe 2 are fixedly connected with the silicon carbide inner wear-resistant pipe 3 through the ceramic glue connecting layer 5, and the ceramic glue filling process is consistent with the existing metal composite pipe processing method.

The link of outer straight steel pipe 1 all welds there is spacing ring 6, and the inboard of spacing ring 6 all is provided with annular block groove 7, annular block groove 7 and outer straight steel pipe 1, the tip of 3 whole pipelines of wear-resisting pipe in the carborundum matches, the outside of outer straight steel pipe 1 all overlaps and is equipped with the ring flange 8 of being connected with spacing ring 6, and is provided with a plurality of bolt assembly 9 on the ring flange 8, through ring flange 8 and bolt assembly 9, can realize the connection of a plurality of outer straight steel pipes 1.

The outside of spacing ring 6 all is provided with annular seal groove 14, and is provided with sealing washer 15 in the annular seal groove 14, through setting up annular seal groove 14 and sealing washer 15, can realize the sealed of outer straight steel pipe 1 coupling part, leaks when avoiding concrete feeding.

The link of outer curved steel pipe 2 all is provided with annular spread groove 10, and the outside cover of outer curved steel pipe 2 link is equipped with coupling 11, the inboard both ends of coupling 11 all are provided with the annular arch 12 that matches with annular spread groove 10, through coupling 11, can realize being connected of outer curved steel pipe 2 and other pipelines, of course, outer curved steel pipe 2 also can be connected with outer straight steel pipe 1, only need again outer straight steel pipe 1 the link set up same annular spread groove 10 can.

The pipe joint 11 is all endotheca has the wear-resisting cover of carborundum 13, and the wear-resisting cover of carborundum 13 all glues articulamentum 5 and pipe joint 11 fixed connection through the pottery, through setting up the wear-resisting cover of carborundum 13, can improve the wearability of 11 departments of coupling, avoids the pipe connection to be in and damages when carrying the concrete.

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 an integral ceramic pipeline, includes outer straight steel pipe (1) and outer curved steel pipe (2), its characterized in that: the inner parts of the outer layer straight steel pipe (1) and the outer layer bent steel pipe (2) are both provided with a silicon carbide inner wear-resistant pipe (3), the outer wall of the silicon carbide inner wear-resistant pipe (3) is wound with carbon fiber cloth (4), and the outer layer straight steel pipe (1) and the outer layer bent steel pipe (2) are both fixedly connected with the silicon carbide inner wear-resistant pipe (3) through a ceramic adhesive connecting layer (5);

The limiting ring (6) is welded at the connecting end of the outer straight steel pipe (1), an annular clamping groove (7) is formed in the inner side of the limiting ring (6), the flange plate (8) connected with the limiting ring (6) is sleeved outside the outer straight steel pipe (1), and a plurality of bolt assemblies (9) are arranged on the flange plate (8).

2. The monolithic ceramic tube of claim 1, wherein: the link of outer curved steel pipe (2) all is provided with annular spread groove (10), and the outside cover of outer curved steel pipe (2) link is equipped with coupling (11), the inboard both ends of coupling (11) all are provided with annular arch (12) that match with annular spread groove (10).

3. The monolithic ceramic tube of claim 2, wherein: the pipe joints (11) are all internally sleeved with silicon carbide wear-resistant sleeves (13), and the silicon carbide wear-resistant sleeves (13) are all fixedly connected with the pipe joints (11) through ceramic glue connecting layers (5).

4. The monolithic ceramic tube of claim 1, wherein: the outer side of the limiting ring (6) is provided with an annular sealing groove (14), and a sealing ring (15) is arranged in the annular sealing groove (14).

5. The monolithic ceramic tube of claim 1, wherein: the outer wall of the silicon carbide inner wear-resistant pipe (3) is provided with a plurality of strip-shaped protrusions (16), and the inner wall of the outer straight steel pipe (1) is provided with strip-shaped grooves (17) matched with the strip-shaped protrusions (16).

6. The monolithic ceramic tube of claim 1, wherein: the outer portions of the outer layer straight steel pipe (1) and the outer layer bent steel pipe (2) are both sleeved with rubber protective layers (18).