CN210266234U

CN210266234U - Special wear-resistant heavy-duty anticorrosive enamel composite steel pipe for industrial factory building

Info

Publication number: CN210266234U
Application number: CN201920479214.XU
Authority: CN
Inventors: 廖长生; 毛海燕
Original assignee: Chongqing Dingjiu Pipeline Co ltd
Current assignee: Chongqing Dingjiu Pipeline Co ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-04-07
Anticipated expiration: 2029-04-10

Abstract

A wear-resistant heavy-duty anti-corrosion enamel composite steel pipe special for industrial plants comprises a base pipe; the inner wall and the outer wall of the base pipe are coated with linings, and the inner wall and the outer wall of the base pipe are combined into a steel pipe body together with the base pipe, and the steel pipe body also comprises a connecting part; the connecting part is provided with a movable end and a fixed end; the movable end and the fixed end are respectively positioned on the adjacent ends of the two steel pipe bodies; the movable end and the fixed end are connected through a fastener; the opposite surfaces of the two adjacent base pipes are provided with grooves and are limited by the grooves. The utility model discloses an add in the steel pipe outside and establish removal end and stiff end, make the connection of steel pipe become more swift, need not any processing technology, can not reduce performances such as anticorrosive, the leakproofness of steel pipe yet.

Description

Special wear-resistant heavy-duty anticorrosive enamel composite steel pipe for industrial factory building

Technical Field

The utility model relates to a composite steel pipe specifically is a special wear-resisting heavy anticorrosive compound steel pipe of enamel of industry factory building.

Background

The composite steel pipes used in the existing factory buildings mainly adopt groove type connection, threaded connection and flange connection, the connection mode has high requirements on the process, and the corrosion resistance of the whole pipeline is reduced due to the fact that the intercrystalline structure of stainless steel on the inner layer is damaged when exposed and welded in the outer carbon steel layer at the pipeline interface.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the wear-resistant heavy-corrosion-resistant enamel composite steel pipe special for the industrial factory building is simple in pipeline connection, good in safety and free of damage to a pipeline structure.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows: a wear-resistant heavy-duty anti-corrosion enamel composite steel pipe special for industrial plants comprises a base pipe; the inner wall and the outer wall of the base pipe are coated with thin-wall linings, and the thin-wall linings and the base pipe are combined into a steel pipe body; the connecting part is provided with a movable end and a fixed end; the movable end and the fixed end are respectively positioned on the adjacent ends of the two steel pipe bodies; the movable end and the fixed end are connected through a fastener; the opposite surfaces of the two adjacent base pipes are provided with grooves and are limited by the grooves.

Preferably, the movable end is sleeved outside the steel pipe body; the inner side of the movable end is connected with the outer side of the steel pipe body in a sliding mode.

Preferably, the fixed end is fixedly connected to the outer side of the steel pipe body.

Preferably, the movable end and the fixed end are internally provided with screw holes which are matched with each other in a through way.

Preferably, the grooves are positioned on the upper side and the lower side of the end part of the steel pipe body; the groove is an L-shaped groove; the grooves on the adjacent steel pipe bodies are matched with each other.

Preferably, a sealing gasket is arranged on the groove.

Preferably, the thin-wall lining is polyethylene powder coating or epoxy resin coating

The utility model discloses an add in the steel pipe outside and establish removal end and stiff end, make the connection of steel pipe become more swift, need not any processing technology, can not reduce performances such as anticorrosive, the leakproofness of steel pipe yet.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a cross-sectional view of the present invention.

In the figure, 1 is a base pipe, 2 is a thin-wall lining, 3 is a steel pipe body, 4 is a movable end, 5 is a fixed end, 6 is a screw hole, and 7 is a groove.

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 efforts belong to the protection scope of the present invention.

In the following description, for purposes of clarity, not all features of an actual implementation are described, well-known functions or constructions are not described in detail since they would obscure the invention with unnecessary detail, it being understood that in the development of any actual embodiment, numerous implementation details must be set forth in order to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, changing from one implementation to another, and it being recognized that such development efforts may be complex and time consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art.

Referring to fig. 1, a special wear-resistant heavy-duty anti-corrosion enamel composite steel pipe for an industrial factory building comprises a base pipe 1; the inner wall and the outer wall of the base pipe are coated with thin-wall linings 2, and the thin-wall linings and the base pipe are combined into a steel pipe body 3, and the base pipe further comprises a connecting part; the connecting part is provided with a movable end 4 and a fixed end 5; the movable end and the fixed end are respectively positioned on the adjacent ends of the two steel pipe bodies 3; the movable end and the fixed end are connected through a fastener; the opposite surfaces of the two adjacent base pipes are provided with grooves and are limited by the grooves.

Furthermore, the movable end 4 is sleeved outside the steel tube body 3; the inner side 4 of the movable end 4 is connected with the outer side of the steel pipe body in a sliding mode.

Specifically speaking, the movable end can adopt the multiple cover of placing to establish in the steel pipe body outside, for example elasticity hoop. Or a groove for the movable end to move can be arranged on the surface of the steel pipe body. The detailed structure is not described again.

Further, the fixed end 5 is fixedly connected to the outer side of the steel pipe body; the fastener 5 is a bolt.

Specifically, the fixed end 5 may be fixed outside the steel pipe body by welding, fastening, or the like.

Furthermore, the movable end 4 and the fixed end 5 are internally provided with screw holes 6 which are matched with each other in a through way.

Furthermore, the grooves 7 are positioned on the upper side and the lower side of the end part of the steel pipe body; the groove is an L-shaped groove; the grooves 7 on the adjacent steel pipe bodies are matched with each other.

Specifically speaking, the groove 7 is used for pre-positioning two adjacent steel pipe bodies, so that the fixed connection in the next step is facilitated.

Furthermore, a sealing gasket is arranged on the groove.

Furthermore, the lining is polyethylene powder paint or epoxy resin paint.

Specifically, the coating has the characteristics of high adhesion, corrosion resistance and the like. The thickness of the lining is between 1.5mm and 2 mm.

The aperture ranges between DN15-DN 1200. The base pipe is a carbon steel pipe, 304, 316 and 316L thin-wall impervious steel pipe.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A wear-resistant heavy-duty anti-corrosion enamel composite steel pipe special for industrial plants comprises a base pipe (1); the parent tube inside and outside wall coating have inside lining (2) to make up into steel pipe body (3), its characterized in that with the parent tube: further comprising a connecting portion; the connecting part is provided with a movable end (4) and a fixed end (5); the movable end and the fixed end are respectively positioned on the adjacent ends of the two steel pipe bodies (3); the movable end and the fixed end are connected through a fastener; the opposite surfaces of the two adjacent base pipes are provided with grooves and are limited by the grooves.

2. The wear-resistant heavy-duty anticorrosive enameled composite steel pipe special for industrial plants as claimed in claim 1, characterized in that: the movable end (4) is sleeved outside the steel pipe body (3); the inner side of the movable end (4) is connected with the outer side of the steel pipe body in a sliding manner.

3. The wear-resistant heavy-duty anticorrosive enameled composite steel pipe special for industrial plants as claimed in claim 1, characterized in that: the fixed end (5) is fixedly connected to the outer side of the steel pipe body; the fastener is a bolt.

4. The wear-resistant heavy-duty enamel composite steel pipe special for industrial plants according to any one of claims 1 to 3, wherein: the movable end (4) and the fixed end (5) are internally provided with screw holes (6) which are matched with each other in a through way.

5. The wear-resistant heavy-duty anticorrosive enameled composite steel pipe special for industrial plants as claimed in claim 1, characterized in that: the grooves (7) are positioned on the upper side and the lower side of the end part of the steel pipe body; the groove is an L-shaped groove; the grooves (7) on the adjacent steel pipe bodies are matched with each other.

6. The wear-resistant heavy-duty anticorrosive enameled composite steel pipe special for industrial plants as claimed in claim 5, characterized in that: and a sealing gasket is arranged on the groove.

7. The wear-resistant heavy-duty anticorrosive enameled composite steel pipe special for industrial plants as claimed in claim 1, characterized in that: the lining is polyethylene powder coating or epoxy resin coating; the base pipe is a carbon steel pipe.

8. The wear-resistant heavy-duty anticorrosive enameled composite steel pipe special for industrial plants as claimed in claim 7, characterized in that: the thickness of the lining is 1.5mm-2 mm.