CN204176168U - The inflammable medium pipeline cold-keeping device of a kind of deep cooling - Google Patents

The inflammable medium pipeline cold-keeping device of a kind of deep cooling Download PDF

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Publication number
CN204176168U
CN204176168U CN201420201030.4U CN201420201030U CN204176168U CN 204176168 U CN204176168 U CN 204176168U CN 201420201030 U CN201420201030 U CN 201420201030U CN 204176168 U CN204176168 U CN 204176168U
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CN
China
Prior art keywords
isocyanuric acid
acid fat
vapor barrier
deep cooling
strata
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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CN201420201030.4U
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Chinese (zh)
Inventor
贾琦月
黄永刚
彭涛明
王惠民
于晓泉
陆长春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Petroleum Corp
China Huanqiu Contracting and Engineering Corp
Original Assignee
China Huanqiu Engineering Co Ltd
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Priority to CN201420201030.4U priority Critical patent/CN204176168U/en
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Publication of CN204176168U publication Critical patent/CN204176168U/en
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Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses the inflammable medium pipeline cold-keeping device of a kind of deep cooling; comprise pipeline; pipeline external wraps up at least one strata isocyanuric acid fat; foam glass layer is located at outside at least one strata isocyanuric acid fat; wearing layer and the first vapor barrier is folded with between foam glass layer and at least one strata isocyanuric acid fat; be provided with the second vapor barrier outside foam glass layer, outside the second vapor barrier, be provided with external protection.The utility model will gather isocyanuric acid fat and be combined with multi cellular glass, internal layer uses poly-isocyanuric acid fat, make full use of low, the low-cost advantage of its thermal conductivity, outer use multi cellular glass, fully improves the working life of the heat-shielding performance of insulation system entirety, humidity resistance, fireproof performance and entirety.The utility model reaches and plays the low heat conductivity energy of poly-isocyanuric acid fat and the high water-resisting property of multi cellular glass, high-mechanical property and high fire retardancy, the cost-effective heat-insulating problem solving the inflammable medium pipeline of deep cooling simultaneously.

Description

The inflammable medium pipeline cold-keeping device of a kind of deep cooling
Technical field
The utility model relates to LNG Liquefied natural gas field, in particular to the inflammable medium pipeline cold-keeping device of a kind of deep cooling.
Background technique
Along with proposition and the development of energy-saving and environmental protection, fire prevention, effective energy, in each Larger Engineering Projects, the design and construction of adiabatic system more and more come into one's own.
Along with the enforcement of national energy policy, LNG Liquefied natural gas (LNG) is day by day prosperous as a kind of efficient, clean energy construction project at home.This just brings the requirements at the higher level for engineering cryogenic insulating field.How to keep cold to have again high damp proof insulation, fireproof performance simultaneously, particularly important in LNG engineering, and for a large amount of pipeline cold insulations, how can loss of refrigeration capacity be prevented, consider fire retardancy and Economy again simultaneously, engineering adiabatic scheme is had higher requirement.
A kind of insulation design of scheme and construction in prior art, many employings multi cellular glass internal layer uses polyurethane outer to carry out cold insulation, this kind of structure mainly considers that polyurethane can not meet the operating conditions of ultralow temperature, but because multi cellular glass is used in internal layer, thermal conductivity is higher, cause Cold-keeping Layer thicker, polyurethane is used in skin and again reduces overall fireproof performance.
Model utility content
The utility model provides a kind of deep cooling inflammable medium pipeline cold-keeping device, in order to consider heat-shielding performance and economic performance, solves at least one technical problem existed in prior art.
For achieving the above object; the utility model provides the inflammable medium pipeline cold-keeping device of a kind of deep cooling; comprise pipeline; described pipeline external wraps up at least one strata isocyanuric acid fat; foam glass layer is located at outside described at least one strata isocyanuric acid fat; be folded with wearing layer and the first vapor barrier between described foam glass layer and described at least one strata isocyanuric acid fat, be provided with the second vapor barrier outside described foam glass layer, outside described second vapor barrier, be provided with external protection.
Further, described first vapor barrier is the thin volume of resin of outer bands aluminium foil.
Further, the thickness of described at least one strata isocyanuric acid fat is 30-200mm.
Further, the thickness of described foam glass layer is 50-200mm.
Further, described second vapor barrier is matizhi.
Further, described second vapor barrier peripheral hardware has the Stainless Steel Band tying up heat-insulating structure in described second vapor barrier in order to packing.
The utility model reaches and plays the low heat conductivity energy of poly-isocyanuric acid fat (three polyester) and the high water-resisting property of multi cellular glass, high-mechanical property and high fire retardancy, the cost-effective heat-insulating problem solving the inflammable medium pipeline of deep cooling simultaneously.
The utility model will gather isocyanuric acid fat and be combined with multi cellular glass, internal layer uses poly-isocyanuric acid fat, make full use of low, the low-cost advantage of its thermal conductivity, outer use multi cellular glass, fully improves the working life of the heat-shielding performance of insulation system entirety, humidity resistance, fireproof performance and entirety.In environmental protection, after the several years, multi cellular glass is recyclable or be separately used as him, and does not have any pollution.The utility model reaches and plays the low heat conductivity energy of poly-isocyanuric acid fat and the high water-resisting property of multi cellular glass, high-mechanical property and high fire retardancy, the cost-effective heat-insulating problem solving the inflammable medium pipeline of deep cooling simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the deep cooling inflammable medium pipeline cold-keeping device structural representation of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not paying the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the deep cooling inflammable medium pipeline cold-keeping device structural representation of the utility model embodiment.As shown in the figure; the inflammable medium pipeline cold-keeping device of this deep cooling comprises pipeline; pipeline external wraps up at least one strata isocyanuric acid fat 7 (three polyester); foam glass layer 3 is located at outside at least one strata isocyanuric acid fat 7; wearing layer 5 and the first vapor barrier 6 is folded with between foam glass layer 3 and at least one strata isocyanuric acid fat 7; be provided with outside foam glass layer 3 outside second vapor barrier 2, second vapor barrier 2 and be provided with external protection 1.
Wherein, the first vapor barrier can be the thin volume of resin of outer bands aluminium foil; The thickness of at least one strata isocyanuric acid fat is 30-200mm; The thickness of foam glass layer is 50-200mm; Second vapor barrier can be matizhi; Second vapor barrier also can be provided with the Stainless Steel Band tying up heat-insulating structure in the second vapor barrier in order to packing outward.
In the specific implementation, every layer of firmly poly-isocyanuric acid fat can be prefabricated into two and half housings or arc bulk, and be wrapped in outer tube, hoop and longitudinal fissure of displacement joint can also be filled with sealing compound.If there are 2 strata isocyanuric acid fat, then internal layer can without sealing compound.
In addition, every strata isocyanuric acid fat pressure-sensitive reinforcing glass fiber band that also available 25mm is wide is tightened, or tightens with Stainless Steel Band.
When making the second vapor barrier, the outer surface that damp proof insulation material that glass cloth combines is wrapped in outermost surface multi cellular glass can be pressed from both sides form a damp proof insulation layer between two-layer tree fat paint.
When making the first vapor barrier, secondary damp proof insulation can be used as with the intermembranous folder aluminium foil of two layers polyester, wrap in outermost one strata isocyanuric acid fat when this damp proof insulation layer should be prefabricated in the factory (on outer surface.The longitudinal direction of secondary damp proof insulation layer can be connected by multilayer film strips with girth joint place.
When specific embodiment, multi cellular glass also can be made into two halves shell or arc is block, and as being outermost surface cold insulation material, outside Stainless Steel Band carries out damp proof insulation after tightening again.
The scuff-resistant coating of foam glass layer internal surface is for avoiding the wearing and tearing to poly-isocyanuric acid fat.
External protection can be aluminium clad iron skin.External protection of aluminizing wraps in cold insulation material and also fixes with Stainless Steel Band 8 outward, can also add sealing compound 4 reinforce at hoop and longitudinal overlapping joint with spray gun.External protection of aluminizing longitudinally overlapping 50mm, ring overlaps mutually 75mm; External protection application Stainless Steel Band is tightened, Stainless Steel Band maximum spacing 225mm.
In addition, can be connected with telescopic head between pipeline with pipeline, the maximum spacing between telescopic head can be set to 6 meters.When connecting, can be arranged on outside telescopic head with the butyl layers of identical overlapping width, after centralized positioning, bonding with suitable binder, then tighten at two ends with Stainless Steel Band.
Technique scheme of the present utility model will be gathered isocyanuric acid fat and will be combined with multi cellular glass, internal layer uses poly-isocyanuric acid fat, make full use of low, the low-cost advantage of its thermal conductivity, outer use multi cellular glass, fully improves the working life of the heat-shielding performance of insulation system entirety, humidity resistance, fireproof performance and entirety.In environmental protection, after the several years, multi cellular glass is recyclable or be separately used as him, and does not have any pollution.The utility model reaches and plays the low heat conductivity energy of poly-isocyanuric acid fat and the high water-resisting property of multi cellular glass, high-mechanical property and high fire retardancy, the cost-effective heat-insulating problem solving the inflammable medium pipeline of deep cooling simultaneously.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or flow process might not be that enforcement the utility model is necessary.
One of ordinary skill in the art will appreciate that: the module in the device in embodiment can describe according to embodiment and be distributed in the device of embodiment, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the utility model embodiment technological scheme.

Claims (6)

1. the inflammable medium pipeline cold-keeping device of deep cooling; it is characterized in that; comprise pipeline; described pipeline external wraps up at least one strata isocyanuric acid fat; foam glass layer is located at outside described at least one strata isocyanuric acid fat; be folded with wearing layer and the first vapor barrier between described foam glass layer and described at least one strata isocyanuric acid fat, be provided with the second vapor barrier outside described foam glass layer, outside described second vapor barrier, be provided with external protection.
2. the inflammable medium pipeline cold-keeping device of deep cooling according to claim 1, is characterized in that, described first vapor barrier is the thin volume of resin of outer bands aluminium foil.
3. the inflammable medium pipeline cold-keeping device of deep cooling according to claim 1, is characterized in that, the thickness of described at least one strata isocyanuric acid fat is 30-200mm.
4. the inflammable medium pipeline cold-keeping device of deep cooling according to claim 1, is characterized in that, the thickness of described foam glass layer is 50-200mm.
5. the inflammable medium pipeline cold-keeping device of deep cooling according to claim 1, is characterized in that, described second vapor barrier is matizhi.
6. the inflammable medium pipeline cold-keeping device of deep cooling according to claim 1, is characterized in that, described second vapor barrier peripheral hardware has the Stainless Steel Band tying up heat-insulating structure in described second vapor barrier in order to packing.
CN201420201030.4U 2014-04-23 2014-04-23 The inflammable medium pipeline cold-keeping device of a kind of deep cooling Expired - Lifetime CN204176168U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420201030.4U CN204176168U (en) 2014-04-23 2014-04-23 The inflammable medium pipeline cold-keeping device of a kind of deep cooling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420201030.4U CN204176168U (en) 2014-04-23 2014-04-23 The inflammable medium pipeline cold-keeping device of a kind of deep cooling

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CN204176168U true CN204176168U (en) 2015-02-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU173464U1 (en) * 2016-02-18 2017-08-29 Валерий Валерьевич Полищук HEAT INSULATION STRUCTURE FOR PIPELINES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU173464U1 (en) * 2016-02-18 2017-08-29 Валерий Валерьевич Полищук HEAT INSULATION STRUCTURE FOR PIPELINES

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: Two road 100012 Beijing city Chaoyang District high tech Industrial Park, No. 1.

Patentee after: CHINA HUANQIU CONTRACTING & ENGINEERING Co.,Ltd.

Address before: Two road 100012 Beijing city Chaoyang District high tech Industrial Park, No. 1.

Patentee before: China Huanqiu Contracting & Engineering Corp.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20201202

Address after: 100120 Beijing Xicheng District six laying Kang

Patentee after: CHINA NATIONAL PETROLEUM Corp.

Patentee after: CHINA HUANQIU CONTRACTING & ENGINEERING Co.,Ltd.

Address before: Two road 100012 Beijing city Chaoyang District high tech Industrial Park, No. 1.

Patentee before: CHINA HUANQIU CONTRACTING & ENGINEERING Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20150225