CN218670967U

CN218670967U - Pipeline

Info

Publication number: CN218670967U
Application number: CN202222940337.3U
Authority: CN
Inventors: 王明军; 张丽华
Original assignee: Beijing Liangji Technology Development Co ltd
Current assignee: Beijing Liangji Technology Development Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-21
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a pipeline, including moulding the steel pipe way, flange core pipe fitting and pipeline pipe fitting, it moulds plastics the steel pipe way including outer layer and the inlayer base steel of moulding plastics, flange core pipe fitting is including the outer layer of moulding plastics, the layer of moulding plastics of middle level base steel and inlayer, pipeline pipe fitting is including the outer layer of moulding plastics, the layer of moulding plastics of middle level base steel and inlayer, the inlayer base steel of moulding plastics the steel pipe way is unanimous with the middle level base steel cross-section of flange core pipe fitting, the inlayer base steel of moulding plastics that the inlayer base steel of moulding plastics the flange core pipe fitting inserts the outer layer of moulding plastics and the inlayer and moulds plastics between the layer and pass through the cold welding with the middle level base steel of flange core pipe fitting and be connected, the outer layer of moulding plastics of flange core pipe fitting sets up the window in corresponding cold welding junction, flange core pipe fitting and pipeline pipe fitting are connected. Adopted the technical scheme of the utility model, can improve the intensity of pipeline when possessing good corrosion resisting property, reduce the pipeline because of the leakage that the construction reason caused, it is convenient quick to be under construction.

Description

Pipeline

Technical Field

The utility model relates to an industrial use and municipal construction technical field especially relate to a pipeline.

Background

The use amount of the anti-corrosion pipeline pipe fitting in municipal construction and industrial projects is large.

The PSP steel-plastic composite pipeline and the aluminum-plastic pipeline which are widely used in the existing municipal pipeline, but the pipe fitting part is made of a full injection molding material, so that the compression strength is low, the pipe fitting is easy to fracture and leak, and the pipe fitting can be welded only under the condition of no stress in the construction process. And the pipeline reinforcing steel pipe part is single thin, and low in strength in the in-service use, use construction is inconvenient, and the construction requires height, easy deformation in the construction causes the leakage.

The base pipe is also made into to the steel pipe under the general design of industrial anticorrosive pipeline for 1.6Mpa pressure, then carries out the lining and moulds the technology and carry out the lining, but its construction cycle is long, and the pipeline is heavy, and the pipeline size can't freely be adjusted, and the energy consumption is big, and extravagant serious, plastics and steel pipe delaminating easily simultaneously cause the pipeline to circulate smoothly, and the outside is not corrosion-resistant, causes the pipeline to corrode from outside to inside easily.

SUMMERY OF THE UTILITY MODEL

For overcoming the problem that exists among the correlation technique, the embodiment of the utility model provides a pipeline can improve the intensity of pipeline when possessing good corrosion resisting property, reduces the pipeline because of the leakage that the construction reason caused, and it is convenient quick to be under construction.

The embodiment of the utility model provides a pipeline, including moulding steel pipeline, flange core pipe fitting and pipeline pipe fitting, it moulds plastics layer and inlayer steel base including outer moulding plastics to mould plastics the steel pipeline, flange core pipe fitting moulds plastics the layer including outer layer, middle level steel base and the inlayer of moulding plastics, pipeline pipe fitting moulds plastics the layer including outer layer, middle level steel base and the inlayer of moulding plastics, mould the inlayer steel base of steel pipeline with the middle level steel base cross-section of flange core pipe fitting is unanimous, mould the inlayer steel base of steel pipeline and insert the outer layer of moulding plastics of flange core pipe fitting and the inlayer mould plastics between the layer with the middle level steel base of flange core pipe fitting passes through the cold welding and connects, the outer layer of moulding plastics of flange core pipe fitting is corresponding the window is seted up to the cold welding junction, flange core pipe fitting with pipeline pipe fitting connects.

Further, the pipe fitting is a tee fitting, an elbow fitting, and/or a reducer fitting.

Further, the flange core pipe fitting and the pipeline pipe fitting further comprise a main body, a flange flanging and a flange water seal line.

Furthermore, the flange core pipe fitting and the pipeline pipe fitting are connected through a bolt by adopting a butt-clamp type loop flange plate.

Further, the inner steel base of the plastic steel pipeline is a seamless thin-wall steel pipe.

Further, the middle steel base of the flange core pipe fitting and the pipeline pipe fitting is a seamless thin-wall steel pipe.

Further, the thickness of the middle steel base of the flange core pipe fitting and the pipeline pipe fitting is 1 mm to 3 mm or 4 mm to 6 mm.

The embodiment of the utility model provides a technical scheme has following beneficial effect: the pipeline has the advantages that the pipeline strength can be improved when the pipeline has excellent corrosion resistance, leakage of the pipeline caused by construction reasons is reduced, construction is convenient and quick, the pipeline construction method can be more convenient and quick in industrial pipeline construction for conveying acid, alkali and salt corrosive liquid, the pipeline safety coefficient can be improved, and the cost is reduced.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural diagram of a pipeline in an embodiment of the present invention.

Fig. 2 is a schematic structural view of a flange core pipe fitting in an embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view of a flange core pipe in an embodiment of the present invention.

Fig. 4 is a schematic structural view of an elbow pipe in the embodiment of the present invention.

Fig. 5 is a schematic cross-sectional view of an elbow pipe in an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a tee pipe in an embodiment of the present invention.

Fig. 7 is a schematic cross-sectional view of a tee in an embodiment of the present invention.

Fig. 8 is a schematic view of a wafer-type loose flange according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus, and associated applications, methods, consistent with certain aspects of the invention, as detailed in the following claims.

Fig. 1 is a schematic structural diagram of a pipeline in an embodiment of the present invention. As shown in fig. 1, the pipe includes a plastic steel pipe 5, a flange core pipe 2, and various pipe fittings such as a tee pipe 3 and an elbow pipe 4, where the pipe fittings may also include reducer pipe fittings.

The plastic steel pipeline comprises an outer injection layer and an inner steel base, and the inner steel base of the plastic steel pipeline can increase the wall thickness or adopt a seamless thin-wall steel pipe to increase the strength.

Fig. 2 is a schematic structural view of a flange core pipe fitting in an embodiment of the present invention. Fig. 3 is a schematic cross-sectional view of a flange core pipe in an embodiment of the present invention. As shown in fig. 2 and 3, the flange core pipe fitting comprises a main body 21, a flange flanging 22 and a flange water seal line 23, and the flange core pipe fitting is divided into an outer injection layer 24, a middle steel base 25 and an inner injection layer 26 from outside to inside.

Fig. 4 is a schematic structural view of an elbow pipe in the embodiment of the present invention. Fig. 5 is a schematic cross-sectional view of an elbow pipe in an embodiment of the present invention. As shown in fig. 4 and 5, the elbow pipe also includes a main body 31, a flange 32 and a flange water seal line 33, and the elbow pipe is divided into an outer injection-molded layer 34, a middle steel base 35 and an inner injection-molded layer 36 from outside to inside.

Fig. 6 is a schematic structural diagram of a tee pipe in an embodiment of the present invention. Fig. 7 is a schematic cross-sectional view of a tee in an embodiment of the present invention. As shown in FIGS. 6 and 7, the tee also comprises a main body 41, a flange flanging 42 and a flange water seal line 43, and the tee is divided into an outer injection molding layer 44, a middle steel base 45 and an inner injection molding layer 46 from outside to inside.

The flange core pipe fitting, the elbow pipe fitting and the three-way pipe fitting are all formed by firstly manufacturing middle-layer steel bases into the shape of the pipe fitting, determining the corresponding sizes, ensuring that the middle parts of the opposite pipe fittings are filled with the steel bases, then placing the pipe fittings into an injection molding machine for injection molding and wrapping of the steel bases, and performing one-step forming on flanged edges. Each pipe fitting adopts pp-r or pp-h materials to perform lining plastic on the inside and the outside of a steel base to form an injection molding layer, the thickness of the steel base in the middle is increased, steel with the thickness of 1 mm to 3 mm is adopted for small pipe diameters, steel with the thickness of 4 mm to 6 mm is adopted for large pipe diameters, and a high-strength seamless thin-walled steel pipe can also be adopted as the steel base.

Only a flange core pipe fitting connected with a plastic steel pipe is provided, in order to increase the flange strength and ensure that a flange does not leak due to stress deformation in the welding process, as shown in figure 1, the cross sections of an inner layer steel base of the plastic steel pipe and a middle layer steel base of the flange core pipe fitting are consistent, a window 6 is arranged at a joint needing cold welding on an outer injection layer of the flange core pipe fitting, two windows are arranged on a small-sized pipe, 3 to 5 windows are arranged on a large-sized pipe, the middle layer steel base is exposed, the outer injection layer with the corresponding size is also removed from the plastic steel pipe, the inner layer steel base of the plastic steel pipe fitting is inserted between the outer injection layer and the inner layer injection layer of the flange core pipe fitting and is connected with the middle layer steel base of the flange core pipe fitting through cold welding, hot melting sealing is performed after welding is performed, the strength of the flange core pipe fitting is increased, the connecting strength of the flange core pipe fitting and the steel pipe fitting is improved, and the steel base is completely wrapped in an anti-corrosion material through the hot melting sealing, and the effect of complete anti-corrosion is achieved.

As shown in figure 1, the flange core pipe fitting and the pipeline pipe fittings such as an elbow pipe fitting, a tee pipe fitting and the like are connected through a bolt by adopting a butt-clamp type loop flange plate 1. Fig. 8 is a schematic view of a wafer-type loose flange according to an embodiment of the present invention. As shown in fig. 8, the split-type loose flange includes a flange body 51 and a split-type flange lock 52.

The technical scheme is adopted, the strength of the pipeline can be improved when the pipeline has excellent corrosion resistance, the leakage of the pipeline caused by construction reasons is reduced, the construction is convenient and quick, in the pipeline construction of industrial conveying acid, alkali and salt corrosive liquid, the pipeline can be simpler, more convenient and quicker, the pipeline safety factor can be improved, the cost is reduced, the pipeline length can be cut according to the specific pipeline size on site in the pipeline construction, the on-site manufacture of the corrosion-resistant pipeline can be realized, and the defects of the steel-plastic composite pipeline and the steel-lined plastic pipeline in the using process are thoroughly overcome.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains.

It will be understood that the invention is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A pipeline is characterized by comprising a plastic steel pipeline, a flange core pipe fitting and a pipeline pipe fitting, wherein the plastic steel pipeline comprises an outer injection molding layer and an inner steel base, the flange core pipe fitting comprises an outer injection molding layer, a middle steel base and an inner injection molding layer, the pipeline pipe fitting comprises an outer injection molding layer, a middle steel base and an inner injection molding layer, the sections of the inner steel base of the plastic steel pipeline and the middle steel base of the flange core pipe fitting are consistent, the inner steel base of the plastic steel pipeline is inserted between the outer injection molding layer and the inner injection molding layer of the flange core pipe fitting and is connected with the middle steel base of the flange core pipe fitting through cold welding, a window is formed in the outer injection molding layer of the flange core pipe fitting corresponding to the cold welding joint, and the flange core pipe fitting is connected with the pipeline pipe fitting.

2. A pipe according to claim 1, wherein the pipe fitting is a tee fitting, an elbow fitting and/or a reducer fitting.

3. A pipeline according to claim 1 or 2, wherein the flange core pipe and the pipeline pipe further comprise a main body, a flange and a flange water seal line.

4. A pipeline according to claim 3, wherein said flange core pipe member is bolted to said pipeline pipe member by means of a split-collet flange.

5. A pipe according to claim 1, wherein the inner steel base of the plastic steel pipe is a seamless thin walled steel pipe.

6. A pipe according to claim 1, wherein the middle steel base of the flange-core pipe member and the pipe member is a seamless thin-walled steel pipe.

7. A pipe as claimed in claim 1, wherein the thickness of the middle steel base of the flange-core and pipe members is from 1 mm to 3 mm or from 4 mm to 6 mm.