CN217030254U - Corrosion-resistant steel pipe - Google Patents

Abstract

The utility model discloses a corrosion-resistant steel pipe, and particularly relates to the technical field of steel pipes, which comprises two steel pipe outer layers, wherein steel pipe inner layers are arranged in the two steel pipe outer layers, the two steel pipe inner layers are respectively and fixedly connected with the two steel pipe outer layers, anti-corrosion layers are arranged in the two steel pipe inner layers, the two anti-corrosion layers are respectively and fixedly connected with the two steel pipe inner layers, a plurality of reinforcing ribs are arranged in the two steel pipe inner layers, the reinforcing ribs are respectively and fixedly connected with the outer peripheral surfaces of the two anti-corrosion layers, two edge rings are arranged on the outer peripheral surfaces of the two steel pipe outer layers, and the four edge rings are respectively and fixedly connected with the two steel pipe outer layers. The utility model improves the integral strength by arranging the plurality of reinforcing ribs, has simple manufacture, high integral strength, long service life and good butt joint sealing performance of the two steel pipes by arranging the sealing gasket, is not easy to leak when transporting liquid and has good use effect.

Description

Corrosion-resistant steel pipe

Technical Field

The utility model relates to the technical field of steel pipes, in particular to a corrosion-resistant steel pipe.

Background

The reinforcing bars are steel with a hollow cross section, the length of which is much greater than the diameter or circumference. The steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the shape of the cross section; the steel pipe is divided into a carbon structural steel pipe, a low alloy structural steel pipe, an alloy steel pipe and a composite steel pipe according to the material quality; the steel pipes are divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment and the like according to purposes.

The inner wall of the existing steel pipe is coated with the anticorrosive paint, so that the corrosion resistance of the steel pipe is improved, the strength of the steel pipe is not enhanced, the strength of the whole steel pipe is not high, and the steel pipe is easy to break in the using process, so that the service life of the steel pipe is influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a corrosion-resistant steel pipe, which solves the problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a corrosion-resistant steel pipe, includes that two steel pipes are outer, two the steel pipe skin is inside all to be equipped with the steel pipe inlayer, two the steel pipe inlayer respectively with two outer fixed connection of steel pipe, two the inside anti-corrosion coating that all is equipped with of steel pipe inlayer, two the anti-corrosion coating respectively with two steel pipe inlayer fixed connection, two the inside a plurality of strengthening ribs that all are equipped with of steel pipe inlayer, it is a plurality of the strengthening rib respectively with two anti-corrosion coating outer peripheral faces fixed connection, two the outer peripheral face of steel pipe all is equipped with two limit rings, four the limit ring respectively with two outer fixed connection of steel pipe.

In a preferred embodiment, a joint is arranged between the two outer steel pipe layers, and one opposite ends of the two outer steel pipe layers extend into the joint.

In a preferred embodiment, a sealing gasket is arranged inside the joint and fixedly connected with the joint, and the two outer steel pipe layers are positioned on two sides of the sealing gasket.

In a preferred embodiment, a plurality of bolts are arranged on both sides of the sealing gasket, and the sealing gasket and two side rings are respectively fixed through the plurality of bolts.

In a preferred embodiment, the outer circumferential surface of the joint is provided with two threaded sleeves, and both threaded sleeves are in threaded connection with the joint.

In a preferred embodiment, the diameter of both said corrosion protection layers is larger than the diameter of the gasket.

The utility model has the technical effects and advantages that:

1. the utility model pours the molten steel mould into the mould to be the common mould for producing the steel pipe, and puts a plurality of reinforcing ribs into the mould, the molten steel is cooled to produce the inner layer of the steel pipe, the molten steel is poured into the surface of the inner layer of the steel pipe, the molten steel is cooled to produce the outer layer of the steel pipe, then two side rings are welded on the outer peripheral surface of the outer layer of the steel pipe, and finally the inner layer of the steel pipe is coated with the anti-corrosion material, thereby producing the anti-corrosion layer;

2. according to the utility model, the two outer steel pipe layers are inserted into the joint, and both the two outer steel pipe layers are contacted with the sealing gasket, then the plurality of bolts on the left side are rotated, so that the plurality of bolts on the left side extend into the sealing gasket, thus the joint is fixed with the outer steel pipe layer on the left side, and the plurality of bolts on the right side are rotated in the same way, so that the joint is fixed with the outer steel pipe layer on the right side, the two steel pipes are good in butt joint sealing performance, the leakage is not easy to occur during liquid transportation, and the using effect is good.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary and that other implementation drawings may be derived from the provided drawings by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

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

FIG. 2 is a perspective view of the assembly of the outer layer of the steel pipe and the side ring of the present invention;

FIG. 3 is a perspective view of the outer layer of the steel pipe and the thread bushing of the present invention;

FIG. 4 is a perspective view of the fitting of the present invention assembled with an edge ring;

in the figure: 1. an outer layer of a steel pipe; 2. an inner layer of the steel pipe; 3. reinforcing ribs; 4. an anti-corrosion layer; 5. an edge ring; 6. A threaded sleeve; 7. a bolt; 8. a joint; 9. and a gasket.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

Referring to the attached drawings 1-4 of the specification, the corrosion-resistant steel pipe comprises two outer steel pipe layers 1, inner steel pipe layers 2 are arranged inside the two outer steel pipe layers 1, the two inner steel pipe layers 2 are fixedly connected with the two outer steel pipe layers 1 respectively, anti-corrosion layers 4 are arranged inside the two inner steel pipe layers 2, the two anti-corrosion layers 4 are fixedly connected with the two inner steel pipe layers 2 respectively, a plurality of reinforcing ribs 3 are arranged inside the two inner steel pipe layers 2, the overall strength is improved, the reinforcing ribs 3 are fixedly connected with the outer peripheral surfaces of the two anti-corrosion layers 4 respectively, two edge rings 5 are arranged on the outer peripheral surfaces of the two outer steel pipe layers 1 respectively, and the four edge rings 5 are fixedly connected with the two outer steel pipe layers 1 respectively.

In some embodiments, refer to description figure 4, be equipped with between two outer 1 steel pipe and connect 8, two outer 1 steel pipe one ends in opposite directions all extend into and connect 8 in, refer to description figure 4, connect 8 inside and be equipped with sealed pad 9, sealed pad 9 and connect 8 fixed connection, two outer 1 steel pipe are located sealed pad 9 both sides, refer to description figure 2 and 4, sealed pad 9 both sides all are equipped with a plurality of bolts 7, sealed pad 9 is fixed mutually through a plurality of bolts 7 with two among them side ring 5 respectively, two steel pipe butt joint leakproofness is good, difficult emergence is revealed when transporting liquid, excellent in use effect.

In some embodiments, referring to fig. 1 and 3 of the specification, the outer peripheral surface of the joint 8 is provided with two thread sleeves 6, the two thread sleeves 6 are both in threaded connection with the joint 8, the left thread sleeve 6 is rotated to move the thread sleeves 6 on the joint 8, so that the plurality of bolts 7 on the left side are sealed, the plurality of bolts 7 are prevented from being corroded by rainwater, and therefore the steel pipe outer layer 1 and the joint 8 are inconvenient to install and disassemble, and referring to fig. 1-4 of the specification, the diameters of the two corrosion-proof layers 4 are both larger than the diameter of the sealing gasket 9.

The using method of the embodiment comprises the following steps: pouring a molten steel mould into the mould to form a common mould for producing the steel pipe, placing a plurality of reinforcing ribs 3 into the mould, cooling the molten steel to form a steel pipe inner layer 2, pouring the molten steel on the surface of the steel pipe inner layer 2, cooling the molten steel to form a steel pipe outer layer 1, welding two side rings 5 on the outer peripheral surface of the steel pipe outer layer 1, and finally coating an anti-corrosion material in the steel pipe inner layer 2 to form an anti-corrosion layer 4;

the two steel pipe outer layers 1 are inserted into the joint 8, and the two steel pipe outer layers 1 are both contacted with the sealing gasket 9, the left-hand bolts 7 are then turned, so that the left-hand bolts 7 extend into the gaskets 9, so that the joint 8 is fixed with the steel pipe outer layer 1 at the left side, the plurality of bolts 7 at the right side are rotated in the same way, thereby leading the joint 8 to be fixed with the outer layer 1 of the steel pipe on the right side, the butt joint and the sealing performance of the two steel pipes are good, the leakage is not easy to occur when the liquid is transported, the use effect is good, since the threaded bush 6 is threadedly coupled to the nipple 8, turning the threaded bush 6 on the left side causes the threaded bush 6 to move over the nipple 8, thereby sealing a plurality of bolts 7 on the left side, through rotating thread bush 6 on the right side to a plurality of bolts 7 on the right side seal, prevent that a plurality of bolts 7 from being corroded by the rainwater, thereby inconvenient installation and dismantlement steel pipe skin 1 and joint 8.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and are not to be construed as limiting the scope of the utility model.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiment of the utility model, only the structures related to the disclosed embodiment are related, other structures can refer to common design, and the same embodiment and different embodiments of the utility model can be combined mutually under the condition of no conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (6)

1. The utility model provides a corrosion-resistant steel pipe, includes two steel pipe skin (1), its characterized in that: two steel pipe skin (1) inside all is equipped with steel pipe inlayer (2), two steel pipe inlayer (2) respectively with two steel pipe skin (1) fixed connection, two steel pipe inlayer (2) inside all is equipped with anti-corrosion coating (4), two anti-corrosion coating (4) respectively with two steel pipe inlayer (2) fixed connection, two steel pipe inlayer (2) inside all is equipped with a plurality of strengthening ribs (3), a plurality of strengthening rib (3) respectively with two anti-corrosion coating (4) outer peripheral face fixed connection, two steel pipe skin (1) outer peripheral face all is equipped with two limit rings (5), four limit ring (5) respectively with two steel pipe skin (1) fixed connection.

2. A corrosion resistant steel pipe according to claim 1 wherein: and a joint (8) is arranged between the two outer steel pipe layers (1), and the opposite ends of the two outer steel pipe layers (1) extend into the joint (8).

3. A corrosion resistant steel pipe according to claim 2 wherein: joint (8) inside is equipped with sealed pad (9), sealed pad (9) and joint (8) fixed connection, two steel pipe skin (1) is located sealed pad (9) both sides.

4. A corrosion resistant steel pipe according to claim 3 wherein: the sealing gasket (9) is characterized in that a plurality of bolts (7) are arranged on two sides of the sealing gasket (9), and the sealing gasket (9) is fixed with the two side rings (5) through the bolts (7) respectively.

5. A corrosion resistant steel pipe according to claim 2 wherein: the outer peripheral surface of the joint (8) is provided with two thread sleeves (6), and the two thread sleeves (6) are in threaded connection with the joint (8).

6. A corrosion resistant steel pipe according to claim 1 wherein: the diameters of the two anti-corrosion layers (4) are larger than the diameter of the sealing gasket (9).

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