CN213117823U

CN213117823U - High-strength alloy pipe for fluid conveying

Info

Publication number: CN213117823U
Application number: CN202022037732.1U
Authority: CN
Inventors: 黄宪著; 黄靖涛
Original assignee: Inner Mongolia Dongjiao Electric Power Equipment Co ltd
Current assignee: Inner Mongolia Dongjiao Electric Power Equipment Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-04
Anticipated expiration: 2030-09-17

Abstract

The utility model relates to the technical field of alloy pipes, in particular to a high-strength alloy pipe for fluid conveying, which comprises an alloy outer pipe and an alloy inner pipe, wherein the alloy inner pipe is arranged inside the alloy outer pipe; the utility model has compact integral structure, the anti-pressure layer is arranged between the alloy outer pipe and the alloy inner pipe, pressure is dispersed, vibration is buffered, the pipeline has high-strength anti-pressure and anti-deformation capability, and the service life of the pipeline is long; the large-particle impurities in the fluid can be screened by the filter screen frame when the alloy pipe is used for conveying the fluid, so that the pipeline is effectively prevented from being blocked, and the damage to the inner wall of the pipeline is reduced.

Description

High-strength alloy pipe for fluid conveying

Technical Field

The utility model relates to an alloy pipe technical field specifically is a high strength alloy pipe for fluid conveying.

Background

The alloy pipe is one kind of seamless steel pipe, and its performance is much higher than that of common seamless steel pipe, because the steel pipe contains more Cr, its high temperature resistance, low temperature resistance and corrosion resistance are not superior to those of common seamless steel pipe. Along with the construction of supercritical power station boilers, nuclear power units, petroleum cracking devices, large coal liquefaction devices and the like, the temperature, pressure and corrosion environment borne by an alloy pipe are continuously deteriorated, the temperature of steam borne by the alloy pipe is 580-650 ℃, the steam pressure is more than 10MPa, the used mechanics and environmental conditions are correspondingly changed, particularly, the damage of the alloy pipe is aggravated under the condition of fluid conveying with complex components, the problems of blockage, cracking and the like easily occur in the pipeline during fluid conveying, and the alloy pipe has serious safety problems after being damaged, so that the high-strength alloy pipe for fluid conveying is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength alloy pipe for fluid conveying to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high strength alloy pipe for fluid conveying, includes alloy outer tube and alloy inner tube, the alloy inner tube is installed inside the alloy outer tube, be equipped with the compressive layer between alloy outer tube and the alloy inner tube, the compressive layer includes that planking and inner panel and planking and inner panel both ends opening are equipped with sealed borduring, the interval is equipped with a plurality of compression resistance poles between planking and the inner panel, the compression resistance pole both ends are equipped with elastic block and two elastic block fixed connection planking and inner panel respectively, arbitrary two fixed connection stiffener between the compression resistance pole, alloy inner tube inner wall is equipped with the anticorrosive coating.

Furthermore, a plurality of mounting seats are arranged at the inner part of the water inlet end of the alloy inner pipe at intervals, a filter screen frame is arranged on the surface of the water inlet end of the alloy inner pipe, a plurality of insertion rods are arranged at the intervals of the bottom of the frame of the filter screen frame, and the insertion rods are mounted inside the insertion grooves of the mounting seats.

Further, the anticorrosive layer comprises a polyvinyl chloride coating and a contamination-resistant ceramic coating.

Furthermore, the structural size of the filter screen frame is matched with that of the alloy inner pipe.

Furthermore, the elastic block is of a semicircular structure and is made of elastic shock-absorbing materials.

Further, the reinforcing rod is of an arc-shaped structure.

Furthermore, the outer surface of the alloy outer pipe is provided with an ultraviolet-resistant coating.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has compact integral structure, the anti-pressure layer is arranged between the alloy outer pipe and the alloy inner pipe, pressure is dispersed, vibration is buffered, the pipeline structure is kept stable, the pipeline has high-strength anti-pressure and anti-deformation capability, and the service life of the pipeline is long; and through the setting of filter screen frame, can sieve the large granule impurity in the fluid when the alloy pipe carries out fluid transport, effectively avoid the pipe blockage, reduce the damage to the pipeline inner wall, whole practicality is strong, is fit for using widely.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the anti-compression layer of the present invention;

fig. 3 is a schematic diagram of the structure of the filter screen frame of the present invention.

In the figure: 1. an alloy outer tube; 2. a pressure resistant layer; 3. an alloy inner tube; 4. a filter screen frame; 5. an anticorrosive layer; 6. a mounting seat; 7. inserting a rod; 8. an elastic block; 9. a reinforcing bar; 10. an outer plate; 11. an inner plate; 12. a compression resistant rod.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a high strength alloy pipe for fluid conveying, includes alloy outer tube 1 and alloy inner tube 3, alloy inner tube 3 is installed inside alloy outer tube 1, be equipped with compressive layer 2 between alloy outer tube 1 and the alloy inner tube 3, compressive layer 2 includes that planking 10 and inner panel 11 and planking 10 and inner panel 11 both ends opening are equipped with sealed bordure, the interval is equipped with a plurality of compressive bars 12 between planking 10 and the inner panel 11, compressive bar 12 both ends are equipped with elastic block 8 and two elastic block 8 respectively fixed connection planking 10 and inner panel 11, arbitrary two fixed connection stiffener 9 between the compressive bar 12, 3 inner walls of alloy inner tube are equipped with anticorrosive coating 5.

Further, alloy inner tube 3 is intake and is held inside interval and be equipped with a plurality of mount pads 6, alloy inner tube 3 is intake and holds the surface and be equipped with filter screen frame 4, filter screen frame 4's frame bottom interval is equipped with a plurality of inserted bars 7, inserted bar 7 is installed inside the slot of mount pad 6.

Further, the corrosion prevention layer 5 includes a polyvinyl chloride coating layer and a contamination resistant ceramic coating layer.

Furthermore, the structural size of the filter screen frame 4 is matched with that of the alloy inner pipe 3.

Further, the elastic block 8 is of a semicircular structure, and the elastic block 8 is made of elastic shock absorption materials.

Further, the reinforcing rod 9 is of an arc-shaped structure.

Further, the outer surface of the alloy outer tube 1 is provided with an ultraviolet-resistant coating.

The working principle is as follows: in the actual use process, according to the use requirement, a filter screen frame 4 is arranged on the surface of the water inlet end of an alloy inner pipe 3, an inserted rod 7 on the filter screen frame 4 is arranged in an insertion groove of an installation seat 6 in the alloy inner pipe 3, and large-particle impurities in fluid can be screened when the alloy pipe is used for conveying the fluid through the arrangement of the filter screen frame 4, so that the pipeline blockage is effectively avoided, the damage to the inner wall of the pipeline is reduced, and the corrosion resistance of the pipeline is improved as the inner wall of the alloy inner pipe 3 is provided with an anticorrosive layer 5;

be equipped with anti compression layer 2 between alloy outer tube 1 and the alloy inner tube 3, anti compression layer 2 includes planking 10, inner panel 11, resistance to compression pole 12, elastic block 8 and stiffener 9, and through the setting of above-mentioned structure, dispersion pressure, the buffering vibration keeps pipeline stable in structure, and the pipeline possesses resistance to compression, the resistance to deformation ability of high strength, improves pipeline life.

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

Claims

1. The utility model provides a high strength alloy pipe for fluid conveying, includes alloy outer tube (1) and alloy inner tube (3), its characterized in that, install inside alloy outer tube (1) alloy inner tube (3), be equipped with between alloy outer tube (1) and alloy inner tube (3) crushing layer (2), crushing layer (2) are equipped with sealed borduring including planking (10) and inner panel (11) and planking (10) and inner panel (11) both ends opening, the interval is equipped with a plurality of crushing bars (12) between planking (10) and inner panel (11), crushing bar (12) both ends are equipped with elastic block (8) and two elastic block (8) fixed connection planking (10) and inner panel (11) respectively, arbitrary two fixed connection stiffener (9) between crushing bar (12), alloy inner tube (3) inner wall is equipped with anticorrosive coating (5).

2. The high-strength alloy pipe for fluid transfer according to claim 1, wherein: alloy inner tube (3) are intake and are held inside interval and be equipped with a plurality of mount pads (6), alloy inner tube (3) are intake and are held the surface and be equipped with filter screen frame (4), the frame bottom interval of filter screen frame (4) is equipped with a plurality of inserted bars (7), inserted bar (7) are installed inside the slot of mount pad (6).

3. The high-strength alloy pipe for fluid transfer according to claim 1, wherein: the anti-corrosion layer (5) comprises a polyvinyl chloride coating and a stain-resistant ceramic coating.

4. The high-strength alloy pipe for fluid transfer according to claim 2, wherein: the structural size of the filter screen frame (4) is matched with that of the alloy inner pipe (3).

5. The high-strength alloy pipe for fluid transfer according to claim 1, wherein: the elastic block (8) is of a semicircular structure, and the elastic block (8) is made of elastic damping materials.

6. The high-strength alloy pipe for fluid transfer according to claim 1, wherein: the reinforcing rod (9) is of an arc-shaped structure.

7. The high-strength alloy pipe for fluid transfer according to claim 1, wherein: the outer surface of the alloy outer pipe (1) is provided with an anti-ultraviolet coating.