CN214466761U

CN214466761U - Composite hose for conveying high-pressure steam

Info

Publication number: CN214466761U
Application number: CN202120599112.9U
Authority: CN
Inventors: 于凤举; 谢玉平; 许展望; 张军占
Original assignee: Shaanxi Yuhua Yonghe Aerospace Technology Co Ltd
Current assignee: Shaanxi Yuhua Yonghe Aerospace Technology Co Ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-10-22
Anticipated expiration: 2031-03-24

Abstract

The utility model discloses a composite hose for carrying high-pressure steam, including corrugated metal pipe, corrugated metal pipe's the outside is equipped with the rubber filling layer, and the amplitude height that highly is greater than corrugated metal pipe of rubber filling layer, the outside of rubber filling layer is equipped with first steel wire enhancement layer, be equipped with first insulating layer outside the first steel wire enhancement layer, be equipped with second steel wire enhancement layer outside the first insulating layer, the outer cladding of second steel wire enhancement layer has outer glue film, the composite soft advantage of combining rubber type hose and metal type hose of passing through of this application, the transport to high-temperature high-pressure steam has been realized, the pipeline strength is high, the bearing capacity is good.

Description

Composite hose for conveying high-pressure steam

Technical Field

The utility model relates to a high-pressure steam's flexible pipeline technical field, concretely relates to composite hose for carrying high-pressure steam.

Background

At present, the existing hoses for steam delivery mainly include two types, namely rubber hoses and metal hoses. A rubber type steam hose is mainly composed of an inner rubber layer, a reinforcing layer of a multi-layer fiber fabric or fiber cord woven structure or a fiber cord wound structure and an outer rubber layer, wherein a main rubber material is Ethylene Propylene Diene Monomer (EPDM) or butyl rubber or a blend of natural rubber and styrene butadiene rubber, the rubber is a multi-component composite material, the rubber material easily releases harmful substances under a high-temperature environment, steam is in direct contact with the rubber material to cause serious pollution to the steam, the steam is not suitable for conveying live steam, the high-temperature resistance is poor, ethylene propylene diene monomer or butyl rubber and the like are commonly used as the main rubber material, the highest working temperature is 180 ℃, the rubber hose is not suitable for being used at a higher temperature and is short in service life, and when the steam is conveyed intermittently, the pressure and the temperature in a pipeline are reduced quickly after the steam conveying is stopped, the high-temperature steam remained in a house is gradually condensed into liquid, the pressure in the pipeline is changed from high pressure to negative pressure, and the rubber layer at high temperature is easy to generate the phenomena of explosion, so that the hose is damaged by explosion or is damaged by flat suction; the metal hose is composed of a metal corrugated pipe, a steel wire woven sleeve, a hose joint and the like, a cavity is formed between the corrugated pipe and the steel wire woven sleeve, so that the metal hose is low in bearing capacity and short in length and cannot meet requirements.

In order to overcome the above problems and disadvantages of the existing steam hose or metal hose, it is necessary to provide a composite hose for delivering high-pressure steam.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound hose for carrying high-pressure steam, the delivery pressure who solves current steam rubber pipe or metal collapsible tube existence is low, service temperature is low, length is short, have the problem of polluting steam.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a composite hose for carrying high-pressure steam, includes corrugated metal pipe, corrugated metal pipe's the outside is equipped with the rubber filling layer, just the height of rubber filling layer is greater than corrugated metal pipe's amplitude height, the outside of rubber filling layer is equipped with first steel wire enhancement layer, be equipped with first insulating layer outside the first steel wire enhancement layer, be equipped with the second steel wire enhancement layer outside the first insulating layer, the outer cladding of second steel wire enhancement layer has outer glue film.

The technical scheme is that a second heat insulation layer is arranged outside the second steel wire reinforcement layer, a third steel wire reinforcement layer is arranged outside the second heat insulation layer, and the outer rubber layer is coated on the outer side of the third steel wire reinforcement layer.

According to a further technical scheme, the first heat insulation layer and the second heat insulation layer are both glass fiber layers.

The further technical proposal is that the rubber filling layer is a silicon rubber filling layer.

The first steel wire reinforced layer, the second steel wire reinforced layer and the third steel wire reinforced layer are copper-plated steel wires or stainless steel wires.

The further technical proposal is that the diameter of the copper-plated steel wire or the stainless steel wire is 0.2 to 0.3 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

the composite soft passage combines the advantages of the rubber type hose and the metal type hose, realizes the conveying of high-temperature and high-pressure steam, and has high pipeline strength and good bearing performance.

Drawings

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

In the figure: the heat insulation structure comprises a metal corrugated pipe 1, a rubber filling layer 2, a first steel wire reinforcing layer 3, a first heat insulation layer 4, a second steel wire reinforcing layer 5, an outer rubber layer 6, a second heat insulation layer 7 and a third steel wire reinforcing layer 8.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, an embodiment of the present invention is:

the utility model provides a composite hose for carrying high-pressure steam, includes corrugated metal pipe 1, corrugated metal pipe 1's the outside is equipped with rubber filling layer 2, just rubber filling layer 2 highly be greater than corrugated metal pipe 1's amplitude height, rubber filling layer 2's the outside is equipped with first steel wire enhancement layer 3, first steel wire enhancement layer 3 is equipped with first insulating layer 4 outward, first insulating layer 4 is equipped with second steel wire enhancement layer 5 outward, the outer cladding of 5 outer rubber layers 6 of second steel wire enhancement layer.

According to the metal corrugated pipe, the rubber filling layer 2 is arranged on the outer side of the metal corrugated pipe 1, so that direct contact between conveyed high-pressure steam and the rubber filling layer 2 is effectively isolated, and the problems of rapid aging of rubber materials and pollution of chemical components in the rubber materials to the steam caused by direct action of high-temperature steam on the rubber materials are avoided;

the metal corrugated pipe can effectively improve the stiffness of the rubber filling layer (rubber hose), and avoid the problem that the rubber hose is sucked and flattened and damaged due to negative pressure in the pipeline caused by steam condensation when the steam pressure in the pipeline is reduced from high pressure to 0 and the medium temperature is reduced from high temperature to the ambient temperature during the intermittent steam conveying;

the rubber filling layer 2 seals the space between the metal corrugated pipe 1 and the weaving enhancement layer, so that the metal corrugated pipe and the weaving layer form a whole, and the bearing performance of the composite pipe is effectively improved;

the rubber filling layer 2 can adopt a winding drum vulcanization process in the processing process, so that the process problems that a tube core cannot be bent and a hose with the length of more than 20 meters cannot be produced in the processing process of a rubber hose with the inner diameter of more than 25mm are solved;

the outer rubber layer on the outermost side can effectively protect the steel wire reinforcing layer of the pipeline, the outer rubber layer is made of rubber materials, the corrugated pipe has the advantages of being wear-resistant, ageing-resistant, waterproof and airtight, and the problems of corrosion and abrasion of the steel wire reinforcing layer in the use process of the corrugated pipe are solved.

The composite type hose has the advantages that the composite type hose combines the advantages of the steam hose and the metal hose, the high-temperature and high-pressure steam is conveyed, the strength of the pipeline is high, and the bearing performance is good.

On the basis of the above-described embodiment:

a second heat insulation layer 7 is arranged outside the second steel wire reinforcement layer 5, a third steel wire reinforcement layer 8 is arranged outside the second heat insulation layer 7, and the outer rubber layer 6 is coated outside the third steel wire reinforcement layer 8.

Through the additionally arranged second heat insulation layer 7 and the third steel wire reinforcement layer 8, the bearing performance of the pipeline can be further improved, and the requirement of safe use under a high-pressure environment is met.

It is understood that the person skilled in the art can also wrap the thermal insulation layer in the above manner and weave the steel wire reinforcement layer outside the thermal insulation layer according to the high-pressure environment requirement of the actual use of the pipeline.

Specifically, the first heat insulation layer 4 and the second heat insulation layer 7 are both glass fiber layers.

The glass fiber has good heat insulation performance, can ensure the loss of steam temperature in the pipeline, has good heat insulation performance, and simultaneously, the glass fiber layer is arranged between the adjacent steel wire reinforced layers, so that the bearing performance of the pipeline can be further improved.

The rubber filling layer 2 is a silicon rubber filling layer.

The silicon rubber has good heat resistance and high-temperature stability, can work at a high temperature for a long time, can still keep certain flexibility, resilience and surface hardness under a high-temperature environment of more than 200 ℃, has no obvious change in mechanical property, and can ensure the flexibility of a pipeline by filling the silicon rubber.

The first steel wire reinforcing layer, the second steel wire reinforcing layer and the third steel wire reinforcing layer are copper-plated steel wires or stainless steel wires.

The copper plated steel wire or the stainless steel wire has good corrosion resistance, is beneficial to prolonging the service life of the pipeline, and the metal corrugated pipe can be made of stainless steel.

The diameter of the copper-plated steel wire or the stainless steel wire is 0.2-0.3 mm.

The diameter of the copper-plated steel wire or the stainless steel wire is 0.2-0.3mm, so that the strength is ensured and the weaving processing is convenient.

Reference throughout this specification to various embodiments means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

While the invention has been described in terms of what is presently considered to be the preferred embodiments, it is to be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. A composite hose for transporting high pressure steam, comprising: including corrugated metal pipe (1), the outside of corrugated metal pipe (1) is equipped with rubber filling layer (2), just the height of rubber filling layer (2) is greater than the amplitude height of corrugated metal pipe (1), the outside of rubber filling layer (2) is equipped with first steel wire enhancement layer (3), first steel wire enhancement layer (3) are equipped with first insulating layer (4) outward, first insulating layer (4) are equipped with second steel wire enhancement layer (5) outward, the outer cladding of second steel wire enhancement layer (5) has outer glue film (6).

2. A composite hose for transporting high pressure steam as claimed in claim 1, wherein: and a second heat insulation layer (7) is arranged outside the second steel wire reinforcement layer (5), a third steel wire reinforcement layer (8) is arranged outside the second heat insulation layer (7), and the outer rubber layer (6) is coated outside the third steel wire reinforcement layer (8).

3. A composite hose for transporting high pressure steam as claimed in claim 2, wherein: the first heat insulation layer (4) and the second heat insulation layer (7) are both glass fiber layers.

4. A composite hose for transporting high pressure steam as claimed in claim 1, wherein: the rubber filling layer (2) is a silicon rubber filling layer (2).

5. A composite hose for transporting high pressure steam as claimed in claim 2, wherein: the first steel wire reinforcing layer (3), the second steel wire reinforcing layer (5) and the third steel wire reinforcing layer (8) are copper-plated steel wires or stainless steel wires.

6. A composite hose for transporting high pressure steam as set forth in claim 5, wherein: the diameter of the copper-plated steel wire or the stainless steel wire is 0.2-0.3 mm.