CN215635560U

CN215635560U - Pipeline inside lining port alloy protective ring

Info

Publication number: CN215635560U
Application number: CN202121985907.XU
Authority: CN
Inventors: 刘海波; 何广东; 刘文成; 陈德胜; 曾辉
Original assignee: Jiangsu Fengci New Material Technology Co ltd
Current assignee: Jiangsu Fengci New Material Technology Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-01-25
Anticipated expiration: 2031-08-23

Abstract

The utility model provides an alloy protection ring for a pipeline lining port, which comprises a steel pipe with a lining layer, flanges and alloy protection rings, wherein the flanges and the alloy protection rings are arranged at two ends of the steel pipe, the flanges at the two ends are fixedly sleeved outside the steel pipe, inner rings of the flanges at the two ends protrude out of two end faces of the steel pipe to form a protection gap, and the alloy protection rings are arranged in the protection gap in a matched mode.

Description

Pipeline inside lining port alloy protective ring

Technical Field

The utility model relates to the technical field of pipeline end sockets, in particular to an alloy protective ring for a pipeline lining port.

Background

In the chemical industry, stainless steel or PE pipelines are mostly used for connecting various devices, the structures of the two pipelines have advantages and disadvantages, the stainless steel pipeline can bear a higher temperature range and has certain ductility, and the disadvantage is that the corrosion resistance is slightly weak; the advantage of PE pipes is that they are resistant to corrosion, but not too high in temperature, and if exposed to the outside space, they age very quickly;

the current efforts in pipeline development and production are: the corrosion resistance of the stainless steel pipeline is improved, so that the service life of the whole pipeline is prolonged, the application and development of the ceramic or enamel lining pipe are scheduled under the condition, the enamel or ceramic pipeline has the advantages of strong corrosion resistance, high temperature bearing, poor ductility of the ceramic or enamel and incapability of bearing great impact force, but the carrying and assembling impact force cannot be avoided, and the problem that how to effectively prolong the service life of the ceramic or enamel lining pipe always troubles development and production units of the enamel or ceramic lining pipe is solved;

in the prior art, the ceramic lining wear-resistant pipeline with the application number of "CN 201921166836.3" comprises a pipeline body, a ceramic lining and a metal baffle ring, wherein the ceramic lining is arranged on the inner wall of the pipeline body, the metal baffle ring is arranged at a pipe orifice of the pipeline body, one end of the metal baffle ring is flush with the end part of the pipeline body, and the other end of the metal baffle ring is butted with the end part of the ceramic lining; the metal baffle ring is arranged at the end part of the pipeline, so that the problems that the ceramic is easy to impact and break and cracks when the edge of the ceramic lining is impacted by conveyed objects are solved, and the pipeline has a simple integral structure, is convenient to manufacture and has reliable performance.

Above-mentioned device keeps off the ring through set up the metal in the pipeline to effectively protect ceramic lining, but above-mentioned this wear-resisting pipeline of ceramic lining still has comparatively obvious defect in the use: above-mentioned metal keeps off the ring and can't protect the pipeline terminal surface, if the pipeline terminal surface causes the corruption, still can cause the damage to inside lining and pipeline body, and then influences the pipeline seal nature.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a pipe lining port alloy guard ring to solve the above problems.

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

the utility model provides a pipeline inside lining port alloy guard ring, is including the steel pipe that has the inner liner and set up in flange and the alloy guard ring at steel pipe both ends, both ends the fixed cup of flange connects in the steel pipe outside, both ends the outstanding steel pipe both ends face of flange inner circle forms the protection clearance, steel pipe end face welding in the protection clearance is provided with the alloy guard ring, the alloy guard ring is kept away from steel pipe terminal surface one end and is leaned on annular anticorrosive coating.

Preferably, through holes are formed in the axis of the alloy protective ring and the axis of the annular anticorrosive coating.

Preferably, the lining layer is a ceramic lining layer or an enamel lining layer.

Preferably, the outer side faces of the flanges at the two ends are also provided with composite gaskets.

Preferably, the alloy protective ring and the steel pipe are coaxially arranged, and the radius of a through hole formed in the alloy protective ring and the annular anticorrosive coating is smaller than or equal to that of the inner lining layer.

Preferably, the annular anticorrosive coating is attached to the end face of the flange.

Preferably, the annular anticorrosive coating is a teflon layer.

Preferably, the two ends of the steel pipe are provided with external threads, the inner wall of the flange is provided with internal threads matched with the external threads of the steel pipe, and the steel pipe is in threaded fit with the flange.

Preferably, the inner wall of the flange is positioned at the protective gap and polished to form a smooth annular inner wall.

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

1. the pipeline lining can be protected, and the lining layer made of ceramic or enamel has poor ductility, so that the pipeline lining layer is easy to damage when impacted, and the protection ring can effectively prevent the damage of the lining layer;

2. the pipeline lining protection device can protect the pipeline lining, and can also protect two end faces of the pipeline body, so that the corrosion of the end faces of the pipeline is prevented, the pipeline body is protected, and the pipeline lining is prevented from being damaged by the corroded end faces.

The pipeline lining protection device can protect the pipeline lining and can also protect two end faces of the pipeline body, so that the corrosion of the end faces of the pipeline is prevented, the pipeline body is protected, and the pipeline lining is prevented from being damaged by the corroded end faces.

Drawings

FIG. 1 is a disassembled view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of a disassembled structure of the present invention;

FIG. 3 is an enlarged view of the area A of the present invention;

FIG. 4 is a schematic perspective view of the alloy guard ring and annular corrosion protective coating structure of the present invention;

FIG. 5 is a schematic view of an alloy guard ring mounting structure according to the present invention;

fig. 6 is a perspective view of the overall structure of the present invention.

In the figure: 1 lining layer, 2 steel pipes, 3 flanges, 4 alloy protection rings, 5 protection gaps, 6 annular anticorrosive coatings, 7 composite gaskets and 8 through holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1-6, the present invention provides a technical solution:

the utility model provides a pipeline inside lining port alloy guard ring, including the steel pipe 2 that has inner liner 1 and set up in flange 3 and the alloy guard ring 4 at 2 both ends of steel pipe, the flange 3 at both ends is fixed cup joints in the 2 outsides of steel pipe, and the 2 both ends faces of the outstanding steel pipe of 3 inner circles of flange at both ends form protection clearance 5, and the 2 terminal surface welding of steel pipe in the protection clearance 5 is provided with alloy guard ring 4, and alloy guard ring 4 keeps away from 2 terminal surface one end of steel pipe and supports and lean on annular anticorrosive coating 6.

The inner liner layer 1 is a ceramic inner liner layer or an enamel inner liner layer, the corrosion resistance of the stainless steel pipeline is improved through the arrangement of the inner liner layer, meanwhile, through installing flanges 3 at the two sides of the steel pipe 2, thereby connecting a plurality of sections of pipelines, in addition, a protective gap 5 is reserved in the installation process of the steel pipe 2 and the flange 3, the alloy protective ring 4 is arranged in the protective gap 5, so that the end surfaces of the lining layer 1 and the steel pipe 2 are effectively shielded and protected, and the damage of the lining layer 1 and the corrosion of the end face of the steel pipe 2 are effectively prevented through the arrangement of the annular anticorrosive coating 6, and then the life of extension pipeline, annular anticorrosive coating 6 can be the circle layer that teflon circle layer or other anticorrosive material formed, and alloy protective ring 4 is fixed with steel pipe 2 through the welded mode, makes alloy protective ring 4 and inner liner 1 combine through the sintered mode after the welding is accomplished to effectively protect steel pipe 2 and inner liner 1 terminal surface.

Preferably, the alloy protective ring 4 and the annular anticorrosive coating 6 are provided with through holes 8 at the axial centers, and the through holes 8 are used for flowing liquid inside the pipeline.

Preferably, the outer side surfaces of the flanges 3 at the two ends are also provided with composite gaskets 7, and the tightness of the flanges 3 in the connection process is further ensured through the arrangement of the composite gaskets 7.

As an optimization, the alloy protective ring 4 and the steel pipe 2 are arranged coaxially, the radius of a circular through hole formed by the alloy protective ring 4 and the annular anticorrosive coating 6 is smaller than or equal to that of the inner liner 1, and through the arrangement, the steel pipe 2 and the inner liner 1 can be completely shielded and protected by the side faces of the alloy protective ring 4 and the annular anticorrosive coating 6.

Preferably, the annular anticorrosive coating 6 is fitted to the end face of the flange 3.

As an optimization, external threads are formed at two ends of the steel pipe 2, internal threads matched with the external threads of the steel pipe 2 are formed on the inner wall of the flange 3, the steel pipe 2 is matched with the flange 3 in a threaded mode, in the embodiment, the steel pipe 2 is matched with the flange 3 in a threaded mode, and therefore later-period disassembly is facilitated.

Preferably, the inner wall of the flange 3 is polished at the protective gap 5 to form a smooth annular inner wall, and by means of the arrangement, the flange 3 is ensured to be tightly matched with the annular anticorrosive coating 6.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pipeline inside lining port alloy guard ring, includes steel pipe (2) that have inner liner (1) and sets up in flange (3) and alloy guard ring (4) at steel pipe (2) both ends, its characterized in that: the flange (3) at two ends are fixedly sleeved outside the steel pipe (2), the inner ring of the flange (3) at two ends protrudes out of the two end faces of the steel pipe (2) to form a protective gap (5), the end face of the steel pipe (2) in the protective gap (5) is welded with an alloy protective ring (4), and one end, far away from the end face of the steel pipe (2), of the alloy protective ring (4) abuts against the annular anticorrosive coating (6).

2. The pipe lining port alloy guard ring of claim 1, wherein: the alloy protective ring (4) and the annular anticorrosive coating (6) are provided with through holes (8) at the axle centers.

3. The pipe lining port alloy guard ring of claim 2, wherein: the inner liner (1) is a ceramic inner liner or an enamel inner liner.

4. The pipe lining port alloy guard ring of claim 3, wherein: and the outer side surfaces of the flanges (3) at the two ends are also provided with composite gaskets (7).

5. The pipe lining port alloy guard ring of claim 3, wherein: the alloy protective ring (4) and the steel pipe (2) are coaxially arranged, and the radius of a through hole (8) formed in the alloy protective ring (4) and the annular anticorrosive coating (6) is smaller than or equal to that of the lining layer (1).

6. The pipe lining port alloy guard ring of claim 5, wherein: the annular anticorrosive coating (6) is coated on the end face of the flange (3).

7. The pipe lining port alloy guard ring of claim 5, wherein: the annular anticorrosive coating (6) is a Teflon layer.

8. The pipe lining port alloy guard ring of claim 7, wherein: the steel pipe is characterized in that external threads are formed in two ends of the steel pipe (2), internal threads matched with the external threads of the steel pipe (2) are formed in the inner wall of the flange (3), and the steel pipe (2) is matched with the flange (3) in a threaded mode.

9. The pipe lining port alloy guard ring of claim 8, wherein: the inner wall of the flange (3) is positioned at the protective gap (5) and is polished to form a smooth annular inner wall.