CN212226283U

CN212226283U - Special composite hose for silicone oil conveying

Info

Publication number: CN212226283U
Application number: CN202020959795.XU
Authority: CN
Inventors: 陈国英
Original assignee: Sonda Petrochemical Equipment Co ltd
Current assignee: Sonda Petrochemical Equipment Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-12-25
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to a special composite hose for conveying silicone oil, which comprises a composite pipe body, wherein the composite pipe body comprises an inner steel wire, the periphery of the inner steel wire is sequentially coated with a contact layer, a sealing layer, a reinforcing layer and an outer surface layer, and the periphery of the outer surface layer is wound with an outer steel wire; the contact layer is made of polypropylene with the thickness of 0.3-0.6mm, the sealing layer is made of PET with the thickness of 0.028-0.035mm, the reinforcing layer is made of nylon tensile cloth with the thickness of 0.5-0.8mm, the outer surface layer is made of PVC with the thickness of 0.3-0.6mm, and the inner steel wire and the outer steel wire are made of galvanized carbon steel. The utility model discloses on the basis of guaranteeing that the pipeline has sufficient compressive property and bending property, can effectively adapt to silicon oil transportation in-process height viscosity and corrosivity operating mode to effectively promote compound hose's stand wear and tear and corrosion resisting property, and then reduce the consumptive material rate and prevent that silicon oil from leaking.

Description

Special composite hose for silicone oil conveying

Technical Field

The utility model relates to a compound hose specifically indicates a special compound hose is carried to silicon oil.

Background

Silicon oil (Silicone) has higher viscosity and corrosivity in the transportation process, and the high-viscosity material easily causes great wearing and tearing to the pipeline inner wall in the pipeline transportation process, and the corrosivity of material then can further aggravate the injury to pipeline inner wall and interior wire.

The existing composite hose is mainly formed by winding various high polymer plastic materials and fastening an inner steel wire and an outer steel wire, and is difficult to effectively adapt to high-viscosity and corrosive working conditions in the silicone oil conveying process, so that the service life of the existing composite hose in the silicone oil conveying process is short, and the material consumption rate is high. Which increases the production cost and is prone to leakage of the pipe due to wear and corrosion of the composite hose.

Consequently, on the basis that guarantees that the pipeline has sufficient compressive property and bending property, design a section and can effectively adapt to high viscosity and corrosivity operating mode in the silicon oil transportation process to effectively promote compound hose's stand wear and tear and corrosion resisting property, and then reduce the consumptive material rate and prevent that silicon oil from leaking from carrying special compound hose is the utility model discloses a research purpose.

Disclosure of Invention

Problem to above-mentioned prior art exists, the utility model provides a special composite hose is carried to silicon oil, this special composite hose is carried to silicon oil can effectively solve the technical problem that above-mentioned prior art exists.

The technical scheme of the utility model is that:

a composite hose special for conveying silicone oil comprises a composite hose body, wherein the composite hose body comprises an inner steel wire, the periphery of the inner steel wire is sequentially coated with a contact layer, a sealing layer, a reinforcing layer and an outer surface layer, and the periphery of the outer surface layer is wound with an outer steel wire; the contact layer is made of polypropylene with the thickness of 0.3-0.6mm, the sealing layer is made of PET with the thickness of 0.028-0.035mm, the reinforcing layer is made of nylon tensile cloth with the thickness of 0.5-0.8mm, the outer surface layer is made of PVC with the thickness of 0.3-0.6mm, and the inner steel wire and the outer steel wire are made of galvanized carbon steel.

The composite pipe comprises a composite pipe body and is characterized in that the end parts of the composite pipe body are respectively connected with corresponding composite pipe joints, each composite pipe joint comprises an inner spiral pipe, an outer steel ring is welded on the periphery of the inner spiral pipe, and the end part of the composite pipe body is hermetically arranged between the inner spiral pipe and the outer steel ring.

The end part of the composite pipe body is clamped between the inner solenoid and the outer steel ring through corresponding Y-shaped sealing rings.

And an epoxy glue layer is hermetically filled between the inner solenoid and the outer steel ring.

And the outer end part of the inner screwed pipe is respectively welded with a fixed flange for assembly. The utility model has the advantages that:

1) the contact layer of the utility model is made of polypropylene with the thickness of 0.3-0.6mm, the sealing layer is made of PET with the thickness of 0.028-0.035mm, the enhancement layer is made of nylon tensile cloth with the thickness of 0.5-0.8mm, and the outer surface layer is made of PVC with the thickness of 0.3-0.6 mm. The polypropylene with good corrosion resistance, smooth material surface and low friction coefficient is used as a contact layer, so that the working conditions of high viscosity and corrosivity in the silicone oil conveying process are effectively reduced; the PET with good oil resistance is used as a sealing layer, so that the leakage-proof effect in the silicone oil conveying process is effectively improved; and the nylon anti-stretch cloth with good corrosion resistance is used as the enhancement layer, so that the wear resistance and corrosion resistance of the composite hose are effectively improved, the material consumption rate is reduced, and the silicone oil leakage is prevented.

2) The utility model discloses an interior steel wire is made by the zinc-plating carbon steel, and the corrosivity of silicon oil material can effectively be adapted to the interior steel wire of making through the zinc-plating carbon steel to further improve the utility model discloses a practical function.

3) On the basis of the change of the materials of the contact layer, the closed layer, the reinforcing layer and the outer surface layer, the thicknesses of the contact layer, the closed layer, the reinforcing layer and the outer surface layer are all specially limited, so that the contact layer, the closed layer, the reinforcing layer and the outer surface layer can have enough compression resistance and bending performance, and the practical effect of the utility model can be effectively further ensured.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail with reference to the following examples:

referring to fig. 1, a composite hose specially used for conveying silicone oil comprises a composite hose body, wherein the composite hose body comprises an inner steel wire 1, the periphery of the inner steel wire 1 is sequentially coated with a contact layer 2, a sealing layer 3, a reinforcing layer 4 and an outer surface layer 5, and the periphery of the outer surface layer 5 is wound with an outer steel wire 6;

the contact layer 2 is made of polypropylene with the thickness of 0.45mm, the closed layer 3 is made of PET with the thickness of 0.032mm, the enhancement layer 4 is made of nylon tensile cloth with the thickness of 0.65mm, the outer surface layer 5 is made of PVC with the thickness of 0.45mm, and the inner steel wire 1 and the outer steel wire 6 are made of galvanized carbon steel.

The end parts of the composite pipe bodies are respectively connected with corresponding composite pipe joints 7, each composite pipe joint 7 comprises an inner spiral pipe 701, an outer steel ring 702 is welded on the periphery of each inner spiral pipe 701, and the end parts of the composite pipe bodies are hermetically arranged between the inner spiral pipes 701 and the outer steel rings 702. The end of the composite pipe body is clamped between the inner solenoid 701 and the outer steel ring 702 through a corresponding Y-shaped sealing ring 8. An epoxy glue layer 9 is hermetically filled between the inner solenoid 701 and the outer steel ring 702. The outer ends of the inner solenoid 701 are respectively welded with a fixing flange 10 for assembly.

The composite hoses prepared in the above examples were subjected to quality tests, and the quality test reports are shown in tables 1 and 2:

table 1: description of the products

Table 2: product inspection results

According to the inspection report, the following results are obtained: the composite hose special for silicone oil delivery prepared in the embodiment does not generate damage and leakage under the test pressure condition of 2.4 MPa and the minimum bending radius condition of 200mm, and the resistance value (5.5 omega), the elongation (2.4%) and the like all meet the requirements of product standards and industrial standards.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a special compound hose is carried to silicone oil which characterized in that: comprises that

The composite pipe comprises a composite pipe body, wherein the composite pipe body comprises an inner steel wire (1), a contact layer (2), a sealing layer (3), a reinforcing layer (4) and an outer surface layer (5) are sequentially coated on the periphery of the inner steel wire (1), and an outer steel wire (6) is wound on the periphery of the outer surface layer (5);

the contact layer (2) is made of polypropylene with the thickness of 0.3-0.6mm, the sealing layer (3) is made of PET with the thickness of 0.028-0.035mm, the enhancement layer (4) is made of nylon anti-stretch cloth with the thickness of 0.5-0.8mm, the outer surface layer (5) is made of PVC with the thickness of 0.3-0.6mm, and the inner steel wire (1) and the outer steel wire (6) are made of galvanized carbon steel.

2. The special composite hose for conveying silicone oil according to claim 1, wherein: the end part of the composite pipe body is respectively connected with a corresponding composite pipe joint (7), the composite pipe joint (7) comprises an inner spiral pipe (701), an outer steel ring (702) is welded on the periphery of the inner spiral pipe (701), and the end part of the composite pipe body is hermetically arranged between the inner spiral pipe (701) and the outer steel ring (702).

3. The special composite hose for conveying silicone oil according to claim 2, wherein: the end part of the composite pipe body is clamped between the inner spiral pipe (701) and the outer steel ring (702) through a corresponding Y-shaped sealing ring (8).

4. The special composite hose for conveying silicone oil according to claim 3, wherein: an epoxy glue layer (9) is hermetically filled between the inner solenoid (701) and the outer steel ring (702).

5. The special composite hose for conveying silicone oil according to claim 2, wherein: and the outer end parts of the inner screw pipes (701) are respectively welded with a fixed flange (10) for assembly.