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CN209026392U - A kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline - Google Patents

A kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline Download PDF

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Publication number
CN209026392U
CN209026392U CN201821623411.6U CN201821623411U CN209026392U CN 209026392 U CN209026392 U CN 209026392U CN 201821623411 U CN201821623411 U CN 201821623411U CN 209026392 U CN209026392 U CN 209026392U
Authority
CN
China
Prior art keywords
thermal insulation
layer
heat
polyurethane composite
resistant fireproof
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 - Fee Related
Application number
CN201821623411.6U
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Chinese (zh)
Inventor
刘秀清
刘洋
丁彧
田立倩
康跃华
鞠东崎
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.)
Tianjin World Dragon Pipe Industry Ltd By Share Ltd
Original Assignee
Tianjin World Dragon Pipe Industry Ltd By Share Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin World Dragon Pipe Industry Ltd By Share Ltd filed Critical Tianjin World Dragon Pipe Industry Ltd By Share Ltd
Priority to CN201821623411.6U priority Critical patent/CN209026392U/en
Application granted granted Critical
Publication of CN209026392U publication Critical patent/CN209026392U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline, including pipeline body, coats anti-corrosion primer in pipeline body outer surface, sets gradually thermal insulation layer, insulating layer and outer protection tube from inside to outside on the outside of anti-corrosion primer;The thermal insulation layer includes aerogel layer and alumina silicate carpet veneer;The first reflecting layer and the second reflecting layer is respectively set on the outside of aerogel layer and alumina silicate carpet veneer;The aerogel layer includes aerogel blanket or aeroge thermal insulation coatings;The insulating layer includes flame retardant polyurethane.A kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline described in the utility model sprays aeroge thermal insulation coatings at some positions to reduce difficulty of construction;Using the complex method of flame retardant polyurethane fire-retardant fireproof;Realize construction is simple, the multiple functions such as fire-retardant on the basis of heat insulation effect is good.

Description

A kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline
Technical field
The utility model belongs to heat-insulating and fire-proof aerial pipeline field, more particularly, to a kind of complex heat-preservation of heat-resistant fireproof Pipeline.
Background technique
With the continuous propulsion of central heating cause, the laying distance of steam pipe network is expanded by the 5km economic radius of early stage To the defeated pipe network of 20-30km long at this stage, originally intrinsic heat preserving mode and method are no longer satisfied service requirement, it is contemplated that Economic benefit, compound insulation structure are trends of the times, under vapor (steam) temperature height, the narrow exacting terms of site space, are had very Good performance space,
Existing high temperature makes somebody a mere figurehead utilidor and mostly uses complex heat-preservation measure, i.e. blanket type insulation (aerogel blanket, glass Cotton, alumina silicate fiber felt etc.) or hard insulating material (calcium silicates watt)+polyurethane complex heat-preservation mode.
Aerial pipeline uses above-mentioned complex heat-preservation mode shortcoming:
1. insulating tube is constructed using such mode, heat insulation effect is good, but encounters the irregular shapes such as elbow, threeway, variable diameter When shape, felt need to be cut by shape, increase difficulty of construction, reduce heat insulation effect, cause construction inconvenient;
2. for steel pipe by the way of directly wrapping aerogel blanket, aerogel blanket easily corrodes steel pipe in;
3. aerial pipeline uses traditional rigid polyurethane foam, non-antiflaming rank, limit oxygen index [O] is generally 17 or so, once kindling, since surface area is big and thermal conductivity is low, material is easy burning and is not easy self-extinguishment.
Summary of the invention
In view of this, the utility model is directed to a kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline, one A little positions spray aeroge thermal insulation coatings to reduce difficulty of construction;Using the complex method of flame retardant polyurethane fire-retardant fireproof;It realizes Construction is simple on the basis of heat insulation effect is good, the multiple functions such as fire-retardant.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline, including pipeline body are applied in pipeline body outer surface Anti-corrosion primer is covered, sets gradually thermal insulation layer, insulating layer and outer protection tube from inside to outside on the outside of anti-corrosion primer;
The thermal insulation layer includes aerogel layer and alumina silicate carpet veneer;It is set respectively in the outside of aerogel layer and alumina silicate carpet veneer Set the first reflecting layer and the second reflecting layer;The aerogel layer includes aerogel blanket or aeroge thermal insulation coatings;
The insulating layer includes flame retardant polyurethane.
Further, first reflecting layer is identical with the second reflecting layer material, including fiberglass aluminum foil cloth.
Further, the pipeline body includes straight-through portion, and the aerogel layer being arranged on the outside of straight-through portion is aerogel blanket.
Further, the pipeline body further includes heel, varying diameter portion or threeway valve portion, heel, varying diameter portion or The aerogel layer of person's threeway valve portion setting is aeroge thermal insulation coatings.
Further, the anti-corrosion primer includes waterborne inorganic einc-rich primer.
Further, the outer protection tube includes galvanized iron sheet.
Further, air chamber is set between thermal insulation layer and insulating layer.
Further, spiral support body is set in the air chamber, the spiral support body is wound on the outside of the second reflecting layer, In spiral support external side, glass wool rigid section is set.
Further, the spiral support body uses foam glass.
Compared with the existing technology, a kind of heat-resistant fireproof polyurethane composite thermal insulation cross-over pipe stage property described in the utility model There is following advantage:
The utility model designs the dual complex protection of thermal insulation layer and insulating layer, and aerogel layer and silicon is arranged in thermal insulation layer again Sour two layers of composite design of aluminium carpet veneer, multi-layer are compound strong to the heat insulation effect of aerial pipeline;
Anti-corrosion primer is coated in pipeline body outer surface, the anti-corrosion primer includes waterborne inorganic einc-rich primer, protection pipe Road bulk erosion, and energy high temperature resistant, up to 400 DEG C, antisepsis is strong;
Aerogel layer includes aerogel blanket or aeroge thermal insulation coatings;For different pipeline bodies, it is arranged different Aerogel layer reduces difficulty of construction;
Insulating layer includes flame retardant polyurethane, realizes that fire-protection rating reaches B1 grades.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.? In attached drawing:
Fig. 1 is stereoscopic schematic diagram described in the utility model embodiment 1;
Fig. 2 is air chamber schematic diagram described in the utility model embodiment 3.
Description of symbols:
1- pipeline body;2- thermal insulation layer;21- aerogel layer;The first reflecting layer 22-;23- alumina silicate carpet veneer;24- second is anti- Penetrate layer;3- insulating layer;4- outer protection tube;5- air chamber;51- spiral support body;52- glass wool rigid section;6- anti-corrosion primer.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For to the utility model system.In addition, term " first ", " second " etc. are used for description purposes only, and it should not be understood as instruction or dark Show relative importance or implicitly indicates the quantity of indicated technical characteristic.The spy of " first ", " second " etc. is defined as a result, Sign can explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise saying Bright, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1, such as Fig. 1, a kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline, including pipeline body 1, in pipe Ontology 1 outer surface in road coats anti-corrosion primer 6, sets gradually thermal insulation layer 2, insulating layer 3 and outer from inside to outside in the outside of anti-corrosion primer 6 Pillar 4;
The thermal insulation layer 2 includes aerogel layer 21 and alumina silicate carpet veneer 23;In aerogel layer 21 and alumina silicate carpet veneer 23 The first reflecting layer 22 and the second reflecting layer 24 is respectively set in outside;The aerogel layer 21 includes that aerogel blanket or aeroge are protected Thermo-paint;
The insulating layer 3 includes flame retardant polyurethane.
The utility model designs the dual complex protection of thermal insulation layer 2 and insulating layer 3, and aerogel layer is arranged in thermal insulation layer 2 again 21 and two layers of the composite design of alumina silicate carpet veneer 23, multi-layer it is compound strong to the heat insulation effect of aerial pipeline;
Anti-corrosion primer 6 is coated in 1 outer surface of pipeline body, the anti-corrosion primer 6 includes waterborne inorganic einc-rich primer, protection Pipeline body 1 corrodes, and energy high temperature resistant, up to 400 DEG C, antisepsis is strong;
Insulating layer 3 includes flame retardant polyurethane, realizes that fire-protection rating reaches B1 grades.
The outer protection tube 4 includes galvanized iron sheet.It improves strong to the insulating layer 3 in 1 outside of pipeline body and the machinery of thermal insulation layer 2 Degree;Play the protection to thermal insulation layer 2 and insulating layer 3.
The first reflecting layer 22 and the second reflecting layer 24 is respectively set in aerogel layer 21 and 23 outer layer of alumina silicate carpet veneer, and first is anti- It is identical with 24 material of the second reflecting layer to penetrate layer 22, including fiberglass aluminum foil cloth, plays the effect of insulation well, isolation steam.
The pipeline body 1 includes straight-through portion, and the aerogel layer 21 being arranged on the outside of straight-through portion is aerogel blanket.
Embodiment 2, on the basis of embodiment 1, the pipeline body 1 further include heel, varying diameter portion or triple valve Portion is aeroge thermal insulation coatings in the aerogel layer 21 of heel, varying diameter portion or threeway valve portion setting.
For different 1 positions of pipeline body, select setting aerogel blanket or aeroge thermal insulation coatings as aeroge Layer 21;By the selection of two ways, guarantee to be not easy to wrap the position of aerogel blanket in heel, varying diameter portion or threeway valve portion etc. Setting through spraying aeroge thermal insulation coatings reduces difficulty of construction while guaranteeing heat insulating effect.
Air chamber 5 is arranged such as Fig. 2 in embodiment 3 between thermal insulation layer 2 and insulating layer 3.
Spiral support body 51 is set in the air chamber 5, the spiral support body 51 is wound in 24 outside of the second reflecting layer, Glass wool rigid section 52 is arranged in the external side of spiral support.
The spiral support body 51 uses foam glass.
In order to adapt to the heat insulating effect of requirements at the higher level, air chamber 5 can be increased on the basis of embodiment 2, utilized Air exclusion further increases heat insulation effect.By spiral support body 51 between thermal insulation layer 2 and glass wool rigid section 52 there are Helical openings realize the effect of air chamber 5.Spiral support body 51 uses foam glass, not only there is the effect of heat-insulation and heat-preservation, but also There are also the effects of sound insulation.52 intensity of glass wool rigid section is big, and rationally, effect further enhances for design.
Installation method: the anticorrosion with painting priming paint 6 first on pipeline body 1, then wrapping aerogel layer 21 in straight-through portion is Aerogel blanket;It is aeroge thermal insulation coatings in heel, varying diameter portion or threeway valve portion spraying aerogel layer 21;Then by it is interior to The first reflecting layer 22, alumina silicate carpet veneer 23, the second reflecting layer 24, insulating layer 3 and outer protection tube 4 are successively wrapped outside.
The above is only the preferred embodiment of the utility model only, be not intended to limit the utility model spirit and Within principle, any modification, equivalent replacement, improvement and so on be should be included within the utility model encloses.

Claims (9)

1. a kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline, it is characterised in that: including pipeline body (1), in pipeline Ontology (1) outer surface coats anti-corrosion primer (6), sets gradually thermal insulation layer (2), heat preservation from inside to outside on the outside of anti-corrosion primer (6) Layer (3) and outer protection tube (4);
The thermal insulation layer (2) includes aerogel layer (21) and alumina silicate carpet veneer (23);In aerogel layer (21) and alumina silicate carpet veneer (23) the first reflecting layer (22) and the second reflecting layer (24) are respectively set on the outside of;The aerogel layer (21) includes aerogel blanket Or aeroge thermal insulation coatings;
The insulating layer (3) includes flame retardant polyurethane.
2. a kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline according to claim 1, it is characterised in that: described First reflecting layer (22) is identical with the second reflecting layer (24) material, including fiberglass aluminum foil cloth.
3. a kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline according to claim 1, it is characterised in that: described Pipeline body (1) includes straight-through portion, and the aerogel layer (21) being arranged on the outside of straight-through portion is aerogel blanket.
4. a kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline according to claim 3, it is characterised in that: described Pipeline body (1) further includes that perhaps threeway valve portion is arranged in heel, varying diameter portion or threeway valve portion for heel, varying diameter portion Aerogel layer (21) is aeroge thermal insulation coatings.
5. a kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline according to claim 1, it is characterised in that: described Anti-corrosion primer (6) includes waterborne inorganic einc-rich primer.
6. a kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline according to claim 1, it is characterised in that: described Outer protection tube (4) includes galvanized iron sheet.
7. a kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline according to claim 1, it is characterised in that: every Air chamber (5) are set between thermosphere (2) and insulating layer (3).
8. a kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline according to claim 7, it is characterised in that: described Spiral support body (51) are set in air chamber (5), the spiral support body (51) is wound on the outside of the second reflecting layer (24), in spiral shell Glass wool rigid section (52) are set on the outside of circumflex branch support body (51).
9. a kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline according to claim 8, it is characterised in that: described Spiral support body (51) uses foam glass.
CN201821623411.6U 2018-09-30 2018-09-30 A kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline Expired - Fee Related CN209026392U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821623411.6U CN209026392U (en) 2018-09-30 2018-09-30 A kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821623411.6U CN209026392U (en) 2018-09-30 2018-09-30 A kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline

Publications (1)

Publication Number Publication Date
CN209026392U true CN209026392U (en) 2019-06-25

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ID=66905749

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821623411.6U Expired - Fee Related CN209026392U (en) 2018-09-30 2018-09-30 A kind of heat-resistant fireproof polyurethane composite thermal insulation aerial pipeline

Country Status (1)

Country Link
CN (1) CN209026392U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111322467A (en) * 2020-04-08 2020-06-23 北京热力装备制造有限公司 Overhead central heating/cooling pipeline and overhead central heating/cooling pipe network

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111322467A (en) * 2020-04-08 2020-06-23 北京热力装备制造有限公司 Overhead central heating/cooling pipeline and overhead central heating/cooling pipe network

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190625

CF01 Termination of patent right due to non-payment of annual fee