CN203413293U - Insulating pipe joint structure - Google Patents

Insulating pipe joint structure Download PDF

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Publication number
CN203413293U
CN203413293U CN201320471533.9U CN201320471533U CN203413293U CN 203413293 U CN203413293 U CN 203413293U CN 201320471533 U CN201320471533 U CN 201320471533U CN 203413293 U CN203413293 U CN 203413293U
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CN
China
Prior art keywords
heat
glass fibre
insulating pipe
thermal insulation
pipe joint
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
Application number
CN201320471533.9U
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Chinese (zh)
Inventor
周抗冰
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.)
BEIJING HTN PIPELINE EQUIPMENT Co Ltd
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BEIJING HTN PIPELINE EQUIPMENT Co Ltd
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Filing date
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Priority to CN201320471533.9U priority Critical patent/CN203413293U/en
Application granted granted Critical
Publication of CN203413293U publication Critical patent/CN203413293U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses an insulating pipe joint structure. The insulating pipe joint structure is used for prefabricating a connection of an insulating pipe. The insulating pipe joint structure comprises a glass fiber reinforced plastics sleeve, manually-coated glass fiber reinforced plastics coated on two ends of the glass fiber reinforced plastics sleeve, and an insulating layer made in the glass fiber reinforced plastics sleeve. According to the insulating pipe joint structure disclosed by the utility model, no open fire is used in the field construction, and the fire risk caused by open fire in an operation construction process in a limited space can be effectively avoided.

Description

Heat-insulating pipe joint structure
Technical field
The heat-insulating pipe joint structure that the utility model relates to, particularly relates to a kind of Contraction in Site without the heat-insulating pipe joint structure of naked light.
Background technique
The prefabricated direct-buried thermal insulation pipe road form in tradition central heat supply/cooling field is that medium tube is steel pipe, thermal insulation layer is polyurethane foam, outer pillar adopts high-density polyethylene external protective pipe, this thermal insulation pipe has good thermal insulation property, and easy construction, but the type pipeline can be employed naked light and bring serious potential safety hazard to pipeline construction installation exercise in the work progress of joint, construction requirement difficulty is large, therefore need to develop the fire protection requirement that a kind of brand-new product further meets pipeline under complicated construction environment.
Summary of the invention
Because the existing defect of above-mentioned prior art, the purpose of this utility model is, a kind of heat-insulating pipe joint structure is provided, and makes its Contraction in Site without naked light, can effectively stop the fire risk of confined space operation.
To achieve these goals, according to a kind of heat-insulating pipe joint structure the utility model proposes, for heat preservation pipe prefabricated connection, this heat-insulating pipe joint structure comprises glass fibre reinforced plastics oversleeve, is coated on the manual brushing glass fibre reinforced plastics at these glass fibre reinforced plastics oversleeve two ends and the joint thermal insulation layer forming in this glass fibre reinforced plastics oversleeve.
The utility model also can be applied to the following technical measures to achieve further.
Aforesaid heat-insulating pipe joint structure, wherein said fiber glass reinforced plastic cover oversleeve is located at two described heat preservation pipe prefabricated joints of pre-connection.
Aforesaid heat-insulating pipe joint structure, wherein said heat preservation pipe prefabricated working pipe, thermal insulation layer and the outer protective layer of being followed successively by from the inside to surface.
Aforesaid heat-insulating pipe joint structure, wherein said described working pipe is steel pipe or plastic tube; Described thermal insulation layer is polyurethane or polyisocyanurate (PIR) insulating foam layer; Described outer protective layer is aluminium-glass fibre reinforced plastic outer protector.
Aforesaid heat-insulating pipe joint structure, wherein said now thermal insulation layer processed is polyurethane or polyisocyanurate (PIR) foaming layer.
Aforesaid heat-insulating pipe joint structure, the overall structure that wherein said joint thermal insulation layer is field fabrication.
Aforesaid heat-insulating pipe joint structure, wherein said joint thermal insulation layer is prefabricated tile fragment structure.
The utility model compared with prior art has obvious advantage and beneficial effect.By technique scheme, heat-insulating pipe joint structure of the present utility model and heat-insulating pipe joint method of construction, Contraction in Site, without naked light, can effectively be stopped the fire risk of confined space operation.
Accompanying drawing explanation
Fig. 1 is the axial cross-sectional schematic that the utility model heat-insulating pipe joint is used state.
Fig. 2 is the radially cross-sectional schematic that the utility model heat-insulating pipe joint is used state.
Fig. 3 is joint thermal insulation layer one embodiment's of the utility model heat-insulating pipe joint structure cross-sectional schematic.
Embodiment
For further setting forth the utility model, be to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, the heat-insulating pipe joint structure according to the utility model proposes and its embodiment of heat-insulating pipe joint method of construction, step, structure, feature and effect thereof are described in detail.
Referring to shown in Fig. 1, Fig. 2, Fig. 3, is respectively that the utility model heat-insulating pipe joint is used the axial cross-sectional schematic of state, radially cross-sectional schematic, thermal insulation layer prefabricated tile block structure schematic diagram.Heat-insulating pipe joint 2 of the present utility model is applicable to heat preservation pipe prefabricated 1.
In one embodiment, described heat preservation pipe prefabricated 1 be followed successively by from the inside to surface working pipe, thermal insulation layer 13 and outer protective layer 15.Described working pipe 11 is steel pipe or plastic tube; Described thermal insulation layer 13 is insulating foam layer, is preferably polyurethane (PUR) or polyisocyanurate (PIR) foaming layer; Described outer protective layer 15 is aluminium-glass fibre reinforced plastic outer protector.
The heat-insulating pipe joint 2 of the utility model preferred embodiment, comprises glass fibre reinforced plastics oversleeve 21, is coated on manual brushing glass fibre reinforced plastics 23 and the joint thermal insulation layer 25 in this glass fibre reinforced plastics oversleeve 21 at these glass fibre reinforced plastics oversleeve 21 two ends.This joint thermal insulation layer 25 can be the overall structure of field fabrication, or prefabricated tile fragment structure.
The utility model one embodiment's heat-insulating pipe joint method of construction, comprises the following steps:
Step 1: a glass fibre reinforced plastics oversleeve 21 is provided, is sheathed on two heat preservation pipe prefabricated 1 joints of pre-connection.Heat preservation pipe prefabricated 1 working pipe 11 of joint is welded to each other, and working pipe 11 surface cleaning are processed.
Step 2: apply manual brushing glass fibre reinforced plastics 23 at these glass fibre reinforced plastics oversleeve 21 two ends, this craft brushing glass fibre reinforced plastics 23 prolongs and to heat preservation pipe prefabricated 1 outer protective layer 15.Be specially heat preservation pipe prefabricated 1 aluminium-glass fibre reinforced plastic outer protector 15 of first polish glass fibre reinforced plastics oversleeve 21 two ends outer surfaces and glass fibre reinforced plastics oversleeve 21 both sides; Sanding Area brushing unsaturated polyester resin at thermal insulation pipe 1 outer protective layer 15 and glass fibre reinforced plastics oversleeve 21 two ends, is then wound around one deck alkali-free glass fibre stitch-bonded felt and covers brushing region, afterwards even brushing resin impregnated alkali-free glass fibre stitch-bonded felt again; Afterwards, be wound around the brushing region that alkali-free glass fibre woven roving covers resin, even brushing resin impregnated alkali-free glass fibre woven roving again, alkali-free glass fibre woven roving is wound around four times altogether, has been wound around rear even brushing unsaturated resin and has soaked into woven roving at every turn; Static after manual brushing glass fibre reinforced plastics solidifies, operation completes.While solidifying, manual brushing glass fibre reinforced plastics is outer can winding plastic film.
Step 3: at the interior formation joint of glass fibre reinforced plastics oversleeve 21 thermal insulation layer 25.After manual brushing glass fibre reinforced plastics 23 solidifies, in glass fibre reinforced plastics oversleeve 21 regions, make a call to a material hole and exhaust port; Then, by polyurethane (PUR) or polyisocyanurate (PIR) foamed material, foaming in material hole implantation glass steel bushing sleeve, forms joint thermal insulation layer 25; Rear repairing material hole and exhaust port have foamed.Be preferably, this polyurethane (PUR) or polyisocyanurate (PIR) foamed material mix with the stirrer of High Rotation Speed.
Step 4: by near glass fibre reinforced plastics grinding process material hole and exhaust port, be then wound around with one deck stitch-bonded felt and four layers of woven roving of impregnated with resin respectively; Finally, after material hole and exhaust port place mend solidify, jiont treatment operation completes.
Another embodiment's of the utility model heat-insulating pipe joint method of construction, comprises the following steps:
Step S1: a glass fibre reinforced plastics oversleeve 21 is provided, be sheathed on two heat preservation pipe prefabricated 1 of pre-connection outer and be placed in a side of two heat preservation pipe prefabricated 1 joints.Heat preservation pipe prefabricated 1 working pipe 11 of joint is welded to each other, and working pipe 11 surface cleaning are processed.
Step S2: in heat preservation pipe prefabricated 1 joint, prefabricated joint thermal insulation layer 25 is installed, this joint thermal insulation layer 25 is prefabricated tile fragment structures.After prefabricated joint thermal insulation layer 25 is installed and be fixed, preferably with adhesive tape, fix.
Step S3: glass fibre reinforced plastics oversleeve 21 is placed in to two heat preservation pipe prefabricated 1 joints, applies manual brushing glass fibre reinforced plastics 23 at these glass fibre reinforced plastics oversleeve 21 two ends, this craft brushing glass fibre reinforced plastics 23 prolongs and to heat preservation pipe prefabricated 1 outer protective layer 15.Be specially heat preservation pipe prefabricated 1 aluminium-glass fibre reinforced plastic outer protector 15 of first polish glass fibre reinforced plastics oversleeve 21 two ends outer surfaces and glass fibre reinforced plastics oversleeve 21 both sides; Sanding Area brushing unsaturated polyester resin at thermal insulation pipe 1 outer protective layer 15 and glass fibre reinforced plastics oversleeve 21 two ends, is then wound around one deck alkali-free glass fibre stitch-bonded felt and covers brushing region, afterwards even brushing resin impregnated alkali-free glass fibre stitch-bonded felt again; Afterwards, be wound around the brushing region that alkali-free glass fibre woven roving covers resin, even brushing resin impregnated alkali-free glass fibre woven roving again, alkali-free glass fibre woven roving is wound around four times altogether, has been wound around rear even brushing unsaturated resin and has soaked into woven roving at every turn; Static after manual brushing glass fibre reinforced plastics solidifies, operation completes.While solidifying, manual brushing glass fibre reinforced plastics is outer can winding plastic film.
One, heat-insulating pipe joint structure of the present utility model and heat-insulating pipe joint method of construction, Contraction in Site, without naked light, can effectively be stopped the fire risk of confined space operation.
Two, heat-insulating pipe joint structure of the present utility model and heat-insulating pipe joint method of construction, site operation is convenient.
Although the utility model discloses as above with preferred embodiment, the scope of so not implementing in order to limit the utility model, the simple equivalence of doing according to claims of the present utility model and description changes and modifies, and still belongs in the scope of technical solutions of the utility model.

Claims (7)

1. a heat-insulating pipe joint structure, for heat preservation pipe prefabricated connection, is characterized in that comprising glass fibre reinforced plastics oversleeve, is coated on manual brushing glass fibre reinforced plastics and the joint thermal insulation layer in this glass fibre reinforced plastics oversleeve at these glass fibre reinforced plastics oversleeve two ends.
2. heat-insulating pipe joint structure as claimed in claim 1, is characterized in that wherein said fiber glass reinforced plastic cover oversleeve is located at two described heat preservation pipe prefabricated joints of pre-connection.
3. heat-insulating pipe joint structure as claimed in claim 1, is characterized in that wherein said heat preservation pipe prefabricated working pipe, thermal insulation layer and the outer protective layer of being followed successively by from the inside to surface.
4. heat-insulating pipe joint structure as claimed in claim 3, is characterized in that wherein said working pipe is steel pipe or plastic tube; Described thermal insulation layer is polyurethane insulation coating or poly-isocyanurate foaming thermal insulation layer; Described outer protective layer is aluminium-glass fibre reinforced plastic outer protector.
5. heat-insulating pipe joint structure as claimed in claim 1, is characterized in that wherein said joint thermal insulation layer is polyurethane or poly-isocyanurate foaming thermal insulation layer.
6. heat-insulating pipe joint structure as claimed in claim 1, is characterized in that the overall structure that wherein said joint thermal insulation layer is field fabrication.
7. heat-insulating pipe joint structure as claimed in claim 1, is characterized in that wherein said joint thermal insulation layer is prefabricated tile fragment structure.
CN201320471533.9U 2013-08-02 2013-08-02 Insulating pipe joint structure Expired - Lifetime CN203413293U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320471533.9U CN203413293U (en) 2013-08-02 2013-08-02 Insulating pipe joint structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320471533.9U CN203413293U (en) 2013-08-02 2013-08-02 Insulating pipe joint structure

Publications (1)

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CN203413293U true CN203413293U (en) 2014-01-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103398267A (en) * 2013-08-02 2013-11-20 北京豪特耐管道设备有限公司 Thermal insulation pipe joint structure and construction method of thermal insulation pipe joint
CN104455778A (en) * 2014-09-23 2015-03-25 吴汉超 Manufacturing method for five-layer stainless steel-glass fiber reinforced plastic compound heat preservation pipe with pipe joint

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103398267A (en) * 2013-08-02 2013-11-20 北京豪特耐管道设备有限公司 Thermal insulation pipe joint structure and construction method of thermal insulation pipe joint
CN104455778A (en) * 2014-09-23 2015-03-25 吴汉超 Manufacturing method for five-layer stainless steel-glass fiber reinforced plastic compound heat preservation pipe with pipe joint

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Granted publication date: 20140129

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