CN214889427U

CN214889427U - Corrosion-resistant cast stone composite straight pipe

Info

Publication number: CN214889427U
Application number: CN202023254681.4U
Authority: CN
Inventors: 刘勤礼
Original assignee: Yantai Daoqin Wear Resistant Material Co ltd
Current assignee: Yantai Daoqin Wear Resistant Material Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-11-26
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a compound straight tube of corrosion-resistant cast stone, including cast stone pipe body, the inside of cast stone pipe body is equipped with the passageway that is used for the fluid to pass through, be equipped with the metal mesh layer that is used for improving the anti deformability of cast stone pipe body in the pipe wall of cast stone pipe body, the pipe wall of cast stone pipe body is inside to be equipped with the buffer layer that is used for improving the shock resistance of cast stone pipe body in the outside of metal mesh layer, the inside of passageway still is equipped with the buffer gear who is used for alleviateing fluidic impact force. The utility model discloses it is rational in infrastructure, can improve the intensity of cast stone pipe and then improve the shock resistance of cast stone pipe, can also weaken the impact force of fluid to the pipeline inner wall, avoid the department of buckling of strong impact wear pipeline, and then improve the corrosion resistance of pipeline.

Description

Corrosion-resistant cast stone composite straight pipe

Technical Field

The utility model relates to a cast stone straight tube technical field especially relates to a compound straight tube of corrosion-resistant cast stone.

Background

The cast stone is a nonmetal pipe which is formed by crushing and melting the rock and adopting gravity die casting or centrifugal casting, and common rocks such as diabase, basalt and shale have the advantages of wear resistance, chemical corrosion resistance, brittle quality, vibration and deflection resistance, large self weight, short pipe section and difficult construction and transportation. The maximum working pressure is generally 0.3-0.5 MPa, and the composite material is used for conveying slag materials with severe abrasion and acid and alkaline sewage and can also be used as a lining material of other pipelines.

When the pipeline runs, if fluid flows through a turning position in the pipeline, the fluid is intensively attached to the outer side surface of the bent pipe to impact the turning corner under the action of inertia, and strong impact abrasion causes the turning corner to be worn out quickly, so frequent repair or replacement is needed, most of the cast stone wear-resistant pipelines are buried or laid in a trench and at high altitude, one part is few and ten jin, the weight is 1-2 tons, the number of mountains in a mining area is large, the carrying and installation are inconvenient, a series of problems such as unstable production, many potential safety hazards, high labor intensity, low operation efficiency, high maintenance and replacement cost and the like are brought to application enterprises, and the economic benefit of the application enterprises is directly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a corrosion-resistant cast stone composite straight pipe.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a compound straight tube of corrosion-resistant cast stone, includes cast stone pipe body, the inside of cast stone pipe body is equipped with the passageway that is used for the fluid to pass through, be equipped with in the pipe wall of cast stone pipe body and be used for improving the metal mesh layer of the anti deformability of cast stone pipe body, the pipe wall of cast stone pipe body is inside to be equipped with the buffer layer that is used for improving the shock resistance of cast stone pipe body in the outside of metal mesh layer, the inside buffer gear who is used for alleviateing the impact force of fluid that still is equipped with of passageway.

Preferably, buffer gear is including setting up in the inside first baffle of passageway, the inside rear end at first baffle of passageway is equipped with the second baffle, the inside of first baffle and second baffle is equipped with many grid plates respectively.

Preferably, the outside of cast stone pipe body has still wrapped up the steel sheet of outsourcing, the outside of steel sheet of outsourcing still permeates the nitriding layer.

Preferably, a plurality of grid plates in the first baffle are transversely arranged, and a plurality of grid plates in the second baffle are longitudinally arranged.

Preferably, the wall thickness of the cast stone pipe body is 200mm, and the section diameter of the outer steel sheet is 900 mm.

Preferably, the shock-absorbing layer has a thickness of 50 mm.

The utility model has the advantages that:

1. the strength of the cast stone pipe can be improved by arranging the metal net layer on the inner wall of the cast stone pipe, the shock resistance of the cast stone pipe can be improved by wrapping a steel sheet outside the cast stone pipe and nitriding steel, and arranging the shock absorption layer on the inner wall of the cast stone pipe;

2. through setting up horizontal grid tray in the inside of first baffle, set up fore-and-aft grid tray in the inside of second baffle, can carry out horizontal damming to the inside fluid of pipeline through horizontal grid tray, carry out fore-and-aft damming to the inside fluid of pipeline through fore-and-aft grid tray, can weaken the impact force of fluid to the pipeline inner wall, avoid the department of buckling of strong impact wear pipeline, and then improve the corrosion resistance of pipeline.

Drawings

Fig. 1 is a schematic structural view of a corrosion-resistant cast stone composite straight pipe provided by the present invention;

fig. 2 is a cross-sectional view of the internal structure of a corrosion-resistant cast stone composite straight pipe according to the present invention;

fig. 3 is a side view of a first baffle of a corrosion-resistant cast stone composite straight pipe according to the present invention;

fig. 4 is a side view of a second baffle of the corrosion-resistant cast stone composite straight pipe according to the present invention.

In the figure: the concrete structure comprises a cast stone pipe body 1, a metal net layer 2, a damping layer 3, a steel sheet wrapped outside 4, a first baffle 5, a second baffle 6 and a grid plate 7.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, a corrosion-resistant cast stone composite straight pipe comprises a cast stone pipe body 1, a channel for fluid to pass through is arranged inside the cast stone pipe body 1, a metal net layer 2 for improving the deformation resistance of the cast stone pipe body 1 is arranged in the pipe wall of the cast stone pipe body 1, a shock absorption layer 3 for improving the shock resistance of the cast stone pipe body 1 is arranged outside the metal net layer 2 inside the pipe wall of the cast stone pipe body 1, and a buffer mechanism for reducing the impact force of the fluid is further arranged inside the channel.

The utility model discloses in, buffer gear is including setting up in the inside first baffle 5 of passageway, the inside of passageway is equipped with second baffle 6 in the rear end of first baffle 5, the inside of first baffle 5 and second baffle 6 is equipped with many grid tray 7 respectively, a plurality of grid tray 7 of first baffle 5 inside are horizontal setting, a plurality of grid tray 7 of second baffle 6 inside are vertical setting, horizontal grid tray 7 can carry out horizontal damming to the inside fluid of pipeline, vertical grid tray 7 can carry out fore-and-aft damming to the inside fluid of pipeline, and then weaken the impact force of fluid to cast stone pipe body 1 inner wall, avoid the department of buckling of strong impact wear cast stone pipe body 1.

Specifically, the outside of the cast stone pipe body 1 is wrapped with an outer steel sheet 4, the outside of the outer steel sheet 4 is permeated with a nitriding layer, and nitriding is a chemical heat treatment process for enabling nitrogen atoms to permeate into the surface layer of a workpiece in a certain medium at a certain temperature, so that the chemical components and the structure of the surface layer can be changed, excellent surface performance can be obtained, and the shock resistance of the cast stone pipe body 1 can be improved.

Specifically, the wall thickness of the cast stone pipe body 1 is 200mm, the section diameter of the outer steel sheet 4 is 900mm, and the thickness of the shock absorption layer 3 is 50 mm.

The utility model discloses during the use, the metal mesh layer 2 of the inner wall of cast stone pipe body 1, can improve the intensity of cast stone pipe body 1, the shock-absorbing layer 3 of cast stone pipe body 1 inner wall and the outsourcing steel sheet iron 4 after nitriding treatment of cast stone pipe body 1 outside parcel, can improve the shock resistance of cast stone pipe body 1, set up horizontal grid tray 7 and set up fore-and-aft grid tray 7 in the inside of second baffle 6 in the inside of first baffle 5, can carry out horizontal damming to the inside fluid of pipeline through horizontal grid tray 7, carry out fore-and-aft damming to the inside fluid of pipeline through fore-and-aft grid tray 7, can weaken the impact force of fluid to cast stone pipe body 1 inner wall, avoid strong impact wear cast stone pipe body 1's the department of buckling, and then improve cast stone pipe body 1's corrosion resistance.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a compound straight tube of corrosion-resistant cast stone, includes cast stone pipe body (1), its characterized in that, the inside of cast stone pipe body (1) is equipped with the passageway that is used for the fluid to pass through, be equipped with in the pipe wall of cast stone pipe body (1) and be used for improving the anti deformability's of cast stone pipe body (1) metal mesh layer (2), the pipe wall of cast stone pipe body (1) is inside to be equipped with in the outside of metal mesh layer (2) and to be used for improving shock-resistant shock-absorbing layer (3) of cast stone pipe body (1), the inside of passageway still is equipped with the buffer gear who is used for alleviateing the impact force of fluid.

2. The corrosion-resistant cast stone composite straight pipe according to claim 1, wherein the buffering mechanism comprises a first baffle plate (5) arranged inside the passage, a second baffle plate (6) is arranged inside the passage at the rear end of the first baffle plate (5), and a plurality of grid plates (7) are respectively arranged inside the first baffle plate (5) and the second baffle plate (6).

3. The corrosion-resistant cast stone composite straight pipe according to claim 1, wherein an outer steel sheet (4) is further wrapped outside the cast stone pipe body (1), and a nitriding layer is further permeated outside the outer steel sheet (4).

4. A corrosion-resistant cast stone composite straight pipe according to claim 2, wherein the plurality of grid plates (7) inside the first baffle plate (5) are all transversely arranged, and the plurality of grid plates (7) inside the second baffle plate (6) are all longitudinally arranged.

5. A corrosion-resistant cast stone composite straight pipe according to claim 3, wherein the wall thickness of the cast stone pipe body (1) is 200mm, and the section diameter of the steel sheet cladding (4) is 900 mm.

6. A corrosion resistant cast stone composite straight pipe according to claim 1, characterized in that the thickness of the shock absorbing layer (3) is 50 mm.