CN217108801U

CN217108801U - LNG pipeline heat preservation

Info

Publication number: CN217108801U
Application number: CN202220278718.7U
Authority: CN
Inventors: 薛国锋; 李恩福; 朱飞华
Original assignee: Linyi Chengtou Fuhai Natural Gas Co ltd
Current assignee: Linyi Chengtou Fuhai Natural Gas Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-08-02
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses a LNG pipeline heat preservation, including pipeline main body, pipeline main body outside parcel heat preservation, the heat preservation divide into basic subsides layer, first heat preservation, second heat preservation, outer subsides and fixed bed, and the outside of basic subsides layer laminating pipeline main body, first heat preservation is the same with second heat preservation thickness, and the outside of outer subsides second heat preservation is located to outer subsides, the outside on outer subsides layer is located to the fixed bed, and basic subsides is the water proof membrane with outer subsides, and the fixed bed is the aluminium skin, and beneficial effect is: this scheme of use structure compares with traditional pipeline, and this heat preservation has all improved effectively on the mode of hierarchy and parcel, on heat retaining basis for the vapor is difficult to adhere to more or produces on the pipeline wall, and the striking of certain degree can be resisted to the fixed bed that the outside set up, makes the pipeline not fragile.

Description

LNG pipeline heat preservation

Technical Field

The utility model relates to a pipeline transportation technical field, in particular to LNG pipeline heat preservation.

Background

The heat preservation pipeline is widely used for a liquid and gas conveying pipe network, the heat preservation of the pipeline is an important link on the heat preservation conveying pipeline, the success or failure of the link directly relates to whether the pipeline can be put into use formally, at present, two main heat preservation pipe shells aiming at an LNG gas station are provided, one is in a round pipe shape, a broken seam is formed along the axial direction, and when the heat preservation pipe shells are installed, the heat preservation pipe shells are opened to wrap the conveying pipeline for installation; secondly, by two half tube shell synthesizations a pipe form to its fundamental effect of the heat preservation pipeline that this type structure was made lies in the setting of heat preservation, and the current heat preservation of LNG pipeline outside mostly emphasizes on the simple protection to the temperature, but is extremely limited to the stable effect of other environmental factor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the most basic heat preservation requirement can only be met when the heat preservation layer of the LNG pipeline in the prior art is in actual use, but environmental factors such as water vapor can influence the effect of the heat preservation layer.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a LNG pipeline heat preservation, includes the pipeline main part, pipeline main part outside parcel heat preservation, the heat preservation divide into basic adhesion layer, first heat preservation, second heat preservation, outer adhesion layer and fixed bed, the laminating of basic adhesion layer the outside of pipeline main part, first heat preservation with second heat preservation thickness is the same, the laminating of outer adhesion layer the outside of second heat preservation, the fixed bed is located the outside of outer adhesion layer, the basic adhesion layer with outer adhesion layer is the water proof membrane, the fixed bed is the aluminium skin.

Furthermore, the thickness of the first heat-insulating layer and the thickness of the second heat-insulating layer are both 1cm-1.5cm, and the first heat-insulating layer and the second heat-insulating layer are fixedly bonded through gel.

Furthermore, the first heat-insulating layer is made of ceramic fiber materials, and the second heat-insulating layer is made of foaming filling PIR materials.

Furthermore, the thickness of the base adhesive layer is the same as that of the outer adhesive layer, and silicone adhesive is arranged between the base adhesive layer and the first heat-preservation layer.

Furthermore, the thickness of the fixed layer is 0.3-0.5mm, and the fixed layer is provided with hoops at equal intervals.

Furthermore, an anti-corrosion coating is arranged on the outer side of the fixing layer.

Further, the outer side of the second heat-insulating layer is provided with a convex pattern.

Further, the first heat preservation layer and the basic pasting layer are bonded through gel.

The beneficial effects of the utility model reside in that: this scheme of use structure compares with traditional pipeline, and this heat preservation has all improved effectively on the mode of hierarchy and parcel, on heat retaining basis for the vapor is difficult to adhere to more or produces on the pipeline wall, and the striking of certain degree can be resisted to the fixed bed that the outside set up, makes the pipeline not fragile.

Drawings

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

fig. 2 is a schematic view of the connection of the steering embedding seat of the present invention.

The labels in the figure are: 1-a pipeline main body, 2-an insulating layer, 21-a basic adhesive layer, 22-a first insulating layer, 23-a second insulating layer, 24-an external adhesive layer and 25-a fixing 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 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.

The utility model has the overall structure as shown in figures 1-2, an LNG pipeline heat-insulating layer 2, which comprises a pipeline main body 1, the pipeline is used as a transportation carrier, the heat-insulating layer 2 is wrapped on the outer side of the pipeline main body 1, the heat-insulating layer 2 can maintain the pipeline within a certain temperature and prevent the pipeline from being greatly influenced by the external environmental temperature change, the heat-insulating layer 2 is divided into a basic adhesive layer 21, a first heat-insulating layer 22, a second heat-insulating layer 23, an outer adhesive layer 24 and a fixed layer 25, the basic adhesive layer 21 is adhered to the outer side of the pipeline main body 1, the thickness of the first heat-insulating layer 22 is the same as that of the second heat-insulating layer 23, the thickness of the first heat-insulating layer and the second heat-insulating layer can be set to different degrees according to the different materials used, the outer adhesive layer 24 is adhered to the outer side of the second heat-insulating layer 23, the fixed layer 25 is arranged on the outer side of the outer adhesive layer 24, the basic adhesive layer 21 and the outer adhesive layer 24 are waterproof films, the fixed layer 25 is made of aluminum sheets, the price of the aluminum sheet is controllable, and the aluminum sheet can be controlled to be of different types according to different use environments.

The thicknesses of the first heat-insulating layer 22 and the second heat-insulating layer 23 are both 1cm-1.5cm, and the first heat-insulating layer 22 and the second heat-insulating layer 23 are fixedly bonded through gel.

The first heat-insulating layer 22 is made of ceramic fiber materials, the second heat-insulating layer 23 is made of foaming filling PIR materials, the thickness of the base pasting layer 21 is the same as that of the outer pasting layer 24, and silicone adhesive is arranged between the base pasting layer 21 and the first heat-insulating layer 22.

The thickness of fixed layer 25 is 0.3-0.5mm, and the equidistant clamp that is equipped with outside fixed layer 25 is equipped with the anticorrosion coating outside fixed layer 25, the outside burr of second heat preservation 23, first heat preservation 22 and basic adhesive layer 21 pass through the gel bonding.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 LNG pipeline heat preservation which characterized in that: including pipeline main part (1), pipeline main part (1) outside parcel heat preservation (2), heat preservation (2) divide into basic subsides layer (21), first heat preservation (22), second heat preservation (23), outer subsides layer (24) and fixed bed (25), the laminating of basic subsides layer (21) the outside of pipeline main part (1), first heat preservation (22) with second heat preservation (23) thickness is the same, outer subsides layer (24) laminating the outside of second heat preservation (23), fixed bed (25) are located the outside of outer subsides layer (24), basic subsides layer (21) with outer subsides layer (24) are the water proof membrane, fixed bed (25) are the aluminium skin.

2. An LNG pipeline insulation layer according to claim 1, characterized in that: the thickness of the first heat-insulating layer (22) and the thickness of the second heat-insulating layer (23) are both 1cm-1.5cm, and the first heat-insulating layer (22) is fixedly bonded with the second heat-insulating layer (23) through gel.

3. An LNG pipeline insulation layer according to claim 1, characterized in that: the first heat-insulating layer (22) is made of ceramic fiber materials, and the second heat-insulating layer (23) is made of foaming filling PIR materials.

4. An LNG pipeline insulation layer according to claim 1, characterized in that: the thickness of the basic adhesive layer (21) is the same as that of the external adhesive layer (24), and silicone adhesive is arranged between the basic adhesive layer (21) and the first heat-preservation layer (22).

5. An LNG pipeline insulation layer according to claim 1, characterized in that: the thickness of fixed layer (25) is 0.3-0.5mm, equidistant clamp is equipped with outside fixed layer (25).

6. An LNG pipeline insulation layer according to claim 1, characterized in that: and an anti-corrosion coating is arranged on the outer side of the fixed layer (25).

7. An LNG pipeline insulation layer according to claim 1, characterized in that: the outer side of the second heat-insulating layer (23) is embossed.

8. An LNG pipeline insulation layer according to claim 1, characterized in that: the first heat preservation layer (22) is bonded with the basic pasting layer (21) through gel.