CN216009849U

CN216009849U - Composite steel pipe with good corrosion resistance

Info

Publication number: CN216009849U
Application number: CN202121905740.1U
Authority: CN
Inventors: 巩文杰
Original assignee: Tianjin Jinrun Composite Steel Pipe Co ltd
Current assignee: Tianjin Jinrun Composite Steel Pipe Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-03-11
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a composite steel pipe with good corrosion resistance, which comprises a fixed plate, an inner pipe and an outer pipe, wherein a connecting plate is welded on the periphery of the inner pipe, the outer pipe is welded at one end of the connecting plate, a sound absorption layer and a heat insulation layer are filled between the outer pipe and the inner pipe, and the sound absorption layer is positioned on one side of the heat insulation layer. The composite steel pipe with good corrosion resistance has good sound absorption and heat insulation performance, can meet the use requirements of personnel, can reduce the operation difficulty of the personnel in fixing by the automatic fixing mechanism, and is suitable for wide popularization and use.

Description

Composite steel pipe with good corrosion resistance

Technical Field

The utility model relates to the technical field of steel pipes, in particular to a composite steel pipe with good corrosion resistance.

Background

Steel pipes can be used for transporting fluids and powdery solids, exchanging heat energy, manufacturing mechanical parts and containers, which are of importance in modern industry.

Patent numbers: 201620345146.4 discloses a corrosion-resistant composite pipe, can prevent that tip welding department from taking place to corrode, and the setting of resin layer can prevent that non-welding department from taking place to corrode, and the both ends inner wall of tubular product base member all is provided with the metal anticorrosive coating and can makes corrosion-resistant composite pipe when the welding, and two are treated the welding end and all have the metal anticorrosive coating, convenient welding.

The above-mentioned pipeline has the following disadvantages: 1. do not have the heat retaining function that gives sound insulation, use and have the limitation, 2, pipeline self do not take fixed establishment certainly, need personnel to use the external component to fix its centre gripping, increased the fixed degree of difficulty.

Disclosure of Invention

The utility model mainly aims to provide a composite steel pipe with good corrosion resistance, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a compound steel pipe that corrosion resistance is good, includes fixed plate, inner tube and outer tube, the peripheral welding of inner tube has the connecting plate, and the welding of connecting plate one end has the outer tube, it has sound absorbing layer and heat preservation to fill between outer tube and the inner tube, sound absorbing layer is located heat preservation one side.

Furthermore, a limiting groove is formed in the surface of the outer pipe, a positioning ring is embedded in the limiting groove, a fixing plate is welded at one end of each positioning ring, and a plurality of groups of the fixing plate, the positioning rings and the limiting grooves are arranged in a concrete manner; the outer tube can be provided with a plurality of fixed positions by the aid of the multiple groups of fixing plates, the positioning rings and the limiting grooves, and fixing stability is improved.

Further, the inner surface of the inner pipe is coated with a corrosion-resistant layer, and the corrosion-resistant layer is made of epoxy resin; the epoxy resin has good corrosion resistance and good adhesiveness, so that the inner surface of the inner pipe has good corrosion resistance.

Furthermore, fixing threaded holes are formed in corners of the surface of one end of the fixing plate; personnel can be fixed the fixed plate with external mechanism connection through fixed screw hole.

Furthermore, the sound absorption layer is made of glass wool materials, and the heat insulation layer is made of rock wool materials; the heat-insulating layer is matched with the sound-absorbing layer, so that the steel pipe has good applicability and meets the use requirements of personnel.

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

1. through setting up heat preservation and sound absorption layer, the sound absorption layer is made for the cotton material of glass, and it has good sound absorbing effect, and when liquid was in this steel pipe inside flow, its transmission was less to external sound, and the heat preservation is made for the rock wool material, and it has good thermal insulation performance, and when outside temperature was lower, the heat preservation can prevent that the inside liquid of this pipeline from freezing, and heat preservation and sound absorption layer cooperate, make this steel pipe have good suitability though, in order to satisfy personnel's user demand.

2. Through setting up fixed plate, spacing groove and holding ring, when this pipeline of installation, personnel can be according to the on-the-spot condition, and manual exerts certain power to the holding ring to make the holding ring at the spacing inslot internal rotation, and then make the position of fixed plate satisfy personnel required, afterwards, personnel can be connected fixed plate and external mechanism through the screw, thereby fixed this steel pipe, this steel pipe is from taking fixed establishment, can be convenient for personnel to it fixes, reduces the fixed degree of difficulty.

Drawings

Fig. 1 is a schematic view of the overall structure of the composite steel pipe with good corrosion resistance.

Fig. 2 is a schematic overall sectional structure diagram of the composite steel pipe with good corrosion resistance.

Fig. 3 is a schematic diagram of the positioning ring, the limiting groove and the outer tube of the composite steel tube with good corrosion resistance.

In the figure: 1. an outer tube; 2. a fixing plate; 3. fixing the threaded hole; 4. a positioning ring; 5. a limiting groove; 6. a connecting plate; 7. a corrosion-resistant layer; 8. an inner tube; 9. a sound absorbing layer; 10. and (7) an insulating layer.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, the composite steel pipe with good corrosion resistance comprises a fixing plate 2, an inner pipe 8 and an outer pipe 1, wherein a connecting plate 6 is welded on the periphery of the inner pipe 8, the outer pipe 1 is welded at one end of the connecting plate 6, a sound absorption layer 9 and a heat insulation layer 10 are filled between the outer pipe 1 and the inner pipe 8, and the sound absorption layer 9 is located on one side of the heat insulation layer 10.

Wherein, spacing groove 5 has been seted up on outer tube 1 surface, and 5 embedded holding rings 4 that are equipped with in spacing groove, fixed plate 2 has all been welded to 4 one ends of holding ring, and fixed plate 2, holding ring 4 and spacing groove 5 all specifically are provided with the multiunit.

In this embodiment, as shown in fig. 1 and 3, the outer tube 1 has a plurality of fixing positions due to the plurality of sets of the fixing plate 2, the positioning ring 4 and the limiting groove 5, so that the fixing stability is improved.

Wherein, the inner surface of the inner tube 8 is coated with the corrosion-resistant layer 7, and the corrosion-resistant layer 7 is made of epoxy resin.

In this embodiment, as shown in fig. 2, the epoxy resin has good corrosion resistance and good adhesion, so that the inner surface of the inner tube 8 has good corrosion resistance.

Wherein, fixed screw hole 3 has all been seted up at fixed plate 2 one end surface corner.

In this embodiment, as shown in fig. 1, a person can connect and fix the fixing plate 2 and the external mechanism through the fixing threaded hole 3.

The sound absorption layer 9 is made of glass wool materials, and the heat insulation layer 10 is made of rock wool materials.

In this embodiment, as shown in fig. 1, the heat insulating layer 10 is matched with the sound absorbing layer 9, so that the steel pipe has good applicability to meet the use requirements of people.

It should be noted that, the composite steel pipe with good corrosion resistance of the present invention is provided, when working, a person can manually apply a certain force to the positioning ring 4 according to the field situation, so that the positioning ring 4 rotates in the limiting groove 5, and further the position of the fixing plate 2 meets the requirement of the person, then the person can fix the fixing plate 2 with an external mechanism through screws, so as to fix the steel pipe, next, in the using process, the sound absorbing layer 9 is made of glass wool material, which has good sound absorbing effect, when the liquid flows in the steel pipe, the sound transmitted to the outside is small, the heat insulating layer 10 is made of rock wool material, which has good heat insulating property, when the outside air temperature is low, the heat insulating layer 10 can prevent the liquid in the pipe from freezing, the heat insulating layer 10 and the sound absorbing layer 9 are matched, so that the steel pipe has good applicability, so as to meet the use requirements of personnel.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a compound steel pipe that corrosion resistance is good, includes fixed plate (2), inner tube (8) and outer tube (1), its characterized in that: the outer welding of inner tube (8) periphery has connecting plate (6), and the welding of connecting plate (6) one end has outer tube (1), it has sound-absorbing layer (9) and heat preservation (10) to fill between outer tube (1) and inner tube (8), sound-absorbing layer (9) are located heat preservation (10) one side.

2. The composite steel pipe with good corrosion resistance as recited in claim 1, wherein: spacing groove (5) have been seted up on outer tube (1) surface, and spacing groove (5) are embedded to be equipped with holding ring (4), fixed plate (2) have all been welded to holding ring (4) one end, and fixed plate (2), holding ring (4) and spacing groove (5) all specifically are provided with the multiunit.

3. The composite steel pipe with good corrosion resistance as recited in claim 1, wherein: the inner surface of the inner pipe (8) is coated with a corrosion-resistant layer (7), and the corrosion-resistant layer (7) is made of epoxy resin.

4. The composite steel pipe with good corrosion resistance as recited in claim 1, wherein: and fixing threaded holes (3) are formed in corners of the surface of one end of the fixing plate (2).

5. The composite steel pipe with good corrosion resistance as recited in claim 1, wherein: the sound absorption layer (9) is made of glass wool materials, and the heat insulation layer (10) is made of rock wool materials.