CN210069266U - Corrosion-resistant cold-resistant pipeline for cryogenic natural gas - Google Patents
Corrosion-resistant cold-resistant pipeline for cryogenic natural gas Download PDFInfo
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- CN210069266U CN210069266U CN201920849387.6U CN201920849387U CN210069266U CN 210069266 U CN210069266 U CN 210069266U CN 201920849387 U CN201920849387 U CN 201920849387U CN 210069266 U CN210069266 U CN 210069266U
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Abstract
The utility model discloses a natural gas cryrogenic is with corrosion-resistant cold-resistant pipeline relates to pipeline technical field. The utility model comprises a corrosion-resistant layer; the outer surface of the corrosion-resistant layer is provided with a first heat-preservation layer; a first bonding layer is arranged on the outer surface of the first heat preservation layer; the outer surface of the first bonding layer is provided with a moisture-proof layer; a second bonding layer is arranged on the outer surface of the moisture-proof layer; a second heat-insulating layer is arranged on the outer surface of the second bonding layer; and a protective layer is arranged on the outer surface of the second heat-preservation layer. The utility model discloses a structural design of first heat preservation and second heat preservation carries out dual adiabatic heat preservation to cryrogenic pipeline, has reduced the temperature reversal and has caused the cracked probability of cryrogenic pipeline, and the structural design on protective layer and corrosion resistant layer protects inside and the outside of pipeline simultaneously, has increased the bulk strength of pipe fitting, and corrosion resistance is high, has improved the critical life of cryrogenic, has practiced thrift use cost.
Description
Technical Field
The utility model belongs to the technical field of pipeline, especially, relate to a natural gas cryrogenic is with corrosion-resistant cold-resistant pipeline.
Background
There is abundant oil gas associated gas in the oil field development process, and the light hydrocarbon is retrieved and can is promoted the utilization efficiency of natural gas to effectual benefit and the output value that promotes the oil gas field, the light hydrocarbon recovery that currently commonly uses includes adsorption method, oil absorption method and condensation separation method, and wherein the condensation separation method is under the condition of certain pressure, carries out parts such as preliminary treatment, compression, dehydration, refrigeration and lime set recovery to the feed gas and constitutes, and wherein cryogenic processing is the key of condensation separation method.
In the cryogenic processing, the design of the heat insulation structure of the cryogenic pipeline is a key problem, and the cryogenic pipeline is very large in temperature alternating range in the transmission process, and extremely easy to crack due to ultralow temperature and normal temperature alternating, particularly in summer, so that the heat insulation performance of the cryogenic pipeline needs to be further improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a natural gas cryrogenic is with corrosion-resistant cold-resistant pipeline, through the structural design of corrosion-resistant layer, first heat preservation, second heat preservation and protective layer, solved current cryrogenic pipeline thermal insulation performance poor, the problem that intensity is low.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a corrosion-resistant and cold-resistant pipeline for deep cooling of natural gas, which comprises a corrosion-resistant layer; the outer surface of the corrosion-resistant layer is provided with a first heat-insulating layer; a first bonding layer is arranged on the outer surface of the first heat-preservation layer; the outer surface of the first bonding layer is provided with a moisture-proof layer; a second bonding layer is arranged on the outer surface of the moisture-proof layer; a second heat-insulating layer is arranged on the outer surface of the second bonding layer; and a protective layer is arranged on the outer surface of the second heat-preservation layer.
Further, the corrosion-resistant layer is made of a nickel-copper alloy material.
Further, the first heat preservation layer is made of polyisocyanurate materials.
Further, the moisture-proof layer is made of polycarbonate.
Furthermore, the first bonding layer and the second bonding layer are both made of epoxy resin materials.
Furthermore, the second heat-insulating layer is made of a pearly-lustre sand material.
Further, the protective layer is made of austenitic stainless steel.
The utility model discloses following beneficial effect has:
the utility model discloses a structural design of first heat preservation and second heat preservation carries out dual adiabatic heat preservation to cryrogenic pipeline, has reduced the temperature reversal and has caused the cracked probability of cryrogenic pipeline, and the structural design on protective layer and corrosion resistant layer protects inside and the outside of pipeline simultaneously, has increased the bulk strength of pipe fitting, and corrosion resistance is high, has improved the critical life of cryrogenic, has practiced thrift use cost.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the utility model discloses a natural gas cryrogenic is with corrosion-resistant cold-resistant pipeline's schematic structure diagram.
In the drawings, the components represented by the respective reference numerals are listed below:
1-corrosion-resistant layer, 2-first heat-insulating layer, 3-first bonding layer, 4-damp-proof layer, 5-second bonding layer, 6-second heat-insulating layer and 7-protective layer.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the utility model relates to a corrosion-resistant and cold-resistant pipeline for deep cooling of natural gas, which comprises a corrosion-resistant layer 1; the outer surface of the corrosion-resistant layer 1 is provided with a first heat-preservation layer 2; the outer surface of the first heat preservation layer 2 is provided with a first bonding layer 3; the outer surface of the first bonding layer 3 is provided with a moisture-proof layer 4; a second bonding layer 5 is arranged on the outer surface of the moisture-proof layer 4; a second heat-insulating layer 6 is arranged on the outer surface of the second bonding layer 5; the outer surface of the second heat-insulating layer 6 is provided with a protective layer 7.
Wherein, corrosion-resistant layer 1 is made for nickel-copper alloy material, has good room temperature mechanical properties, corrosion-resistant, workable.
Wherein, the first heat preservation layer 2 is made of polyisocyanurate material and has good ultralow-temperature heat insulation performance.
Wherein, the dampproof course 4 is made for the polycarbonate material, and specific good dampproofing and waterproofing, cold-resistant performance.
Wherein, first tie coat 3 and second tie coat 5 are epoxy resin material and make, bond between first heat preservation 2, dampproof course 4 and the second heat preservation 6 respectively.
Wherein, the second heat-insulating layer 6 is made of pearly-lustre sand material; the second insulating layer 6 is a porous structure made of acidic volcano vitreous lava through crushing, preheating, roasting and expanding, and has good performances of ultralow-temperature heat preservation and high chemical stability.
The protective layer 7 is made of austenitic stainless steel, has high toughness and plasticity and good cold resistance, and effectively protects the pipeline.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a natural gas cryrogenic is with corrosion-resistant cold-resistant pipeline which characterized in that:
comprises a corrosion-resistant layer (1); the outer surface of the corrosion-resistant layer (1) is provided with a first heat-insulating layer (2); a first bonding layer (3) is arranged on the outer surface of the first heat-preservation layer (2); the outer surface of the first bonding layer (3) is provided with a moisture-proof layer (4); a second bonding layer (5) is arranged on the outer surface of the moisture-proof layer (4); a second heat-insulating layer (6) is arranged on the outer surface of the second bonding layer (5); and a protective layer (7) is arranged on the outer surface of the second heat-insulating layer (6).
2. The corrosion-resistant and cold-resistant pipeline for cryogenic cooling of natural gas according to claim 1, characterized in that the corrosion-resistant layer (1) is made of nickel-copper alloy.
3. The corrosion-resistant and cold-resistant pipeline for cryogenic cooling of natural gas according to claim 1, characterized in that the first heat-insulating layer (2) is made of polyisocyanurate material.
4. The corrosion-resistant and cold-resistant pipeline for cryogenic cooling of natural gas according to claim 1, characterized in that the moisture-proof layer (4) is made of polycarbonate.
5. The cryogenic corrosion-resistant and cold-resistant pipeline for natural gas as claimed in claim 1, wherein the first bonding layer (3) and the second bonding layer (5) are both made of epoxy resin.
6. The corrosion-resistant and cold-resistant pipeline for deep cooling of natural gas according to claim 1, characterized in that the second insulating layer (6) is made of pearlite sand.
7. The corrosion-resistant and cold-resistant pipeline for cryogenic cooling of natural gas according to claim 1, characterized in that the protective layer (7) is made of austenitic stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920849387.6U CN210069266U (en) | 2019-06-06 | 2019-06-06 | Corrosion-resistant cold-resistant pipeline for cryogenic natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920849387.6U CN210069266U (en) | 2019-06-06 | 2019-06-06 | Corrosion-resistant cold-resistant pipeline for cryogenic natural gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210069266U true CN210069266U (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920849387.6U Active CN210069266U (en) | 2019-06-06 | 2019-06-06 | Corrosion-resistant cold-resistant pipeline for cryogenic natural gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210069266U (en) |
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2019
- 2019-06-06 CN CN201920849387.6U patent/CN210069266U/en active Active
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