CN106764189A - Flexible polyurethane heat-insulating pipe fitting spanning tee and preparation method - Google Patents
Flexible polyurethane heat-insulating pipe fitting spanning tee and preparation method Download PDFInfo
- Publication number
- CN106764189A CN106764189A CN201611229459.4A CN201611229459A CN106764189A CN 106764189 A CN106764189 A CN 106764189A CN 201611229459 A CN201611229459 A CN 201611229459A CN 106764189 A CN106764189 A CN 106764189A
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- tube
- heat
- outer protection
- horizontal operation
- 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.)
- Pending
Links
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 39
- 239000004814 polyurethane Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000005452 bending Methods 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 229920003023 plastic Polymers 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims abstract description 6
- 239000004698 Polyethylene Substances 0.000 claims description 7
- -1 polyethylene Polymers 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 5
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 239000011496 polyurethane foam Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000002984 plastic foam Substances 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
- F16L41/021—T- or cross-pieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
- B29D23/003—Pipe joints, e.g. straight joints
- B29D23/008—T-joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/10—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/007—Branching pipes; Joining pipes to walls adjustable and comprising a bend
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
- F16L59/163—Branch units ; Insulation forming a whole with branches
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
- F16L59/18—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like adapted for joints
- F16L59/185—Adjustable joints, joints allowing movement
Abstract
The present invention relates to a kind of flexible polyurethane heat-insulating pipe fitting spanning tee and preparation method.The heat-insulating pipe fitting for using at present, service pipe is substantially steel, hard plastic material, and the especially pipe fitting below DN150 pipelines is not more applied to the insulating tube pipe fitting of flexibility service pipe without flexible instrumentation tubes.Present invention composition includes：Horizontal operation pipe fitting（1）, described horizontal operation pipe fitting centre position top is provided with bending work tube（3）, described horizontal operation pipe fitting and outer protection tube A（2）Between there is heat-insulation layer, described bending work tube and outer protection tube B（4）Between there is heat-insulation layer, described horizontal operation pipe fitting communicates with described bending work tube internal diameter.The present invention is used for flexible polyurethane heat-insulating pipe fitting spanning tee and preparation method.
Description
Technical field：
The present invention relates to heat supply, cooling, ship domain energy conveyance conduit field, and in particular to a kind of insulation of flexible polyurethane
Pipe fitting spanning tee and preparation method.
Background technology：
The heat-insulating pipe fitting that the current country uses, service pipe is substantially steel, hard plastic material, the especially pipe below DN150 pipelines
Part is not more applied to the insulating tube pipe fitting of flexibility service pipe without flexible instrumentation tubes.For DN15mm-150mm models
The small caliber flexible utilidor of interior specification is enclosed, this product exploitation is applicable the flexible heat-insulating pipe fitting of soft thermal insulating pipe.
The content of the invention：
It is an object of the invention to provide a kind of flexible polyurethane heat-insulating pipe fitting spanning tee and preparation method.
Above-mentioned purpose is realized by following technical scheme：
A kind of flexible polyurethane heat-insulating pipe fitting spanning tee, its composition includes：Horizontal operation pipe fitting, described horizontal operation pipe fitting
Centre position top is provided with bending work tube, has heat-insulation layer between described horizontal operation pipe fitting and outer protection tube A, described
Bending work tube and outer protection tube B between have heat-insulation layer, described horizontal operation pipe fitting and described bending work tube
Internal diameter is communicated.
Described flexible polyurethane heat-insulating pipe fitting spanning tee, described horizontal operation pipe fitting, described bending instrumentation tubes
Part uses polyurethane plastics foam thermal insulation material, and described outer protection tube A, described outer protection tube B uses polyethylene material.
Described flexible polyurethane heat-insulating pipe fitting spanning tee, described horizontal operation pipe fitting and described outer protection tube A it
Between uniform wall thickness and coaxial, uniform wall thickness between described bending work tube and outer protection tube B, described horizontal operation pipe
Part, described bending work tube caliber scope are DN15mm-150mm.
A kind of flexible polyurethane heat-insulating pipe fitting spanning tee and preparation method, the method comprise the following steps：
It is flexible with what can arbitrarily be bent first from polyethylene outer protective pipe, flexible working pipeline with flexible structure
Soft thermal insulating pipe；
The structure of spanning tee is made, is pinpointed on pipeline, according to outer protection tube diameter, opened on outer protection tube surface and take circular hole, will be poly-
After urethane plastic foam heat-insulation layer perforate, remove the polyurethane for drilling through position, cleaning spills instrumentation tubes, changes and threeway instrumentation tubes
With the hole making drill of caliber size, opened on service pipe and take circular hole, then using hot-melt technology, respectively to osseotomy site and straight tube
The instrumentation tubes heating and melting of section, it is synchronous that straight length is inserted into osseotomy site, highdensity polyurethane composition is used after natural cooling
Material carries out polyurethane foam to binding site, and sealant application polyurethane position, flexible polyurethane insulating tube are used after repairing type
Part spanning tee is successful.
Beneficial effect：
1. the present invention is a kind of flexible polyurethane heat-insulating pipe fitting spanning tee, for the osculum of specification in the range of DN15mm-150mm
Footpath flexible thermal insulation pipeline pipe fitting, exploitation is applicable the flexible heat-insulating pipe fitting of soft thermal insulating pipe, mainly solve be exactly heat-insulating pipe fitting across
More threeway does not have the problem of flexible working pipe fitting, enables soft thermal insulating pipe with curved just curved, coils transport and keeping, reduces pipeline and cuts
Disconnected rate, improves heat insulation effect.
Flexible polyurethane heat-insulating pipe fitting spanning tee of the invention, can power-assisted soft thermal insulating pipe realize big radian, little Jiao
The turning of degree, realization is blocked in advance, is directly connected to using position use again according to pipe fitting, transportation and storage and its facility, and, protect
Temp effect is few due to blocking, the height that indoor temperature keeps, and saves energy resource consumption and exhaust emission, improves pipeline life.
The fast about threeway technology of this insulation, can equally produce the insulation spanning tee of reducing.
The present invention is protected by the polyethylene outer protective pipe of flexible flexible structure, the plasticized polyurethane strand foam of flexible working pipeline
Warm pipeline is made, and using the outer protection tube of same specification, heat-insulation layer, service pipe, reaches Trinitarian utilidor, makes
Flexible polyurethane heat-insulating pipe fitting spanning tee structure, realizes uniform concentric distance, it is ensured that protect between outer protection tube and service pipe
Temp effect is consistent.
Below 120 degree of service pipe heat resistance of the invention, the energy of heat supply, cooling, ship domain can be met completely
The demand in conveyance conduit field.
Polyurethane insulation coating of the present invention is mixed by combination raw materials such as isocyanates, polyalcohols, wherein isocyanates
A series of polyurethane foam plastics of function admirables can be synthesized, polyalcohol has boiling point high, it is strong to polar substances solvability,
The viscous liquid of toxicity and the characteristic such as volatility is small, can improve the adhesive property of polyurethane.
Brief description of the drawings：
Accompanying drawing 1 is structural representation of the invention.
Accompanying drawing 2 is the top view in accompanying drawing 1.
Accompanying drawing 3 is the left view in accompanying drawing 1.
Specific embodiment：
Embodiment 1：
A kind of flexible polyurethane heat-insulating pipe fitting spanning tee, its composition includes：Horizontal operation pipe fitting 1, described horizontal operation pipe
Part centre position top is provided with bending work tube 3, has heat-insulation layer between described horizontal operation pipe fitting and outer protection tube A2,
There is heat-insulation layer, described horizontal operation pipe fitting and described bending work between described bending work tube and outer protection tube B4
Pipe fitting internal diameter is communicated.
Embodiment 2：
Flexible polyurethane heat-insulating pipe fitting spanning tee according to embodiment 1, described horizontal operation pipe fitting, described bending
Work tube uses polyurethane plastics foam thermal insulation material, and described outer protection tube A, described outer protection tube B uses polyethylene material.
Embodiment 3：
Flexible polyurethane heat-insulating pipe fitting spanning tee according to embodiment 2, described horizontal operation pipe fitting is outer with described
Uniform wall thickness and coaxial, uniform wall thickness between described bending work tube and outer protection tube B, described level between pillar A
Work tube, described bending work tube caliber scope are DN15mm-150mm.
Embodiment 4：
A kind of preparation method of flexible polyurethane heat-insulating pipe fitting spanning tee, the method comprises the following steps：
It is flexible with what can arbitrarily be bent first from polyethylene outer protective pipe, flexible working pipeline with flexible structure
Soft thermal insulating pipe；
The structure of spanning tee is made, is pinpointed on pipeline, according to outer protection tube diameter, opened on outer protection tube surface and take circular hole, will be poly-
After urethane plastic foam heat-insulation layer perforate, remove the polyurethane for drilling through position, cleaning spills instrumentation tubes, changes and threeway instrumentation tubes
With the hole making drill of caliber size, opened on service pipe and take circular hole, then using hot-melt technology, respectively to osseotomy site and straight tube
The instrumentation tubes heating and melting of section, it is synchronous that straight length is inserted into osseotomy site, highdensity polyurethane composition is used after natural cooling
Material carries out polyurethane foam to binding site, and sealant application polyurethane position, flexible polyurethane insulating tube are used after repairing type
Part spanning tee is successful.
Claims (4)
1. a kind of flexible polyurethane heat-insulating pipe fitting spanning tee, its composition includes：Horizontal operation pipe fitting, it is characterized in that：Described
Horizontal operation pipe fitting centre position top is provided with bending work tube, has between described horizontal operation pipe fitting and outer protection tube A
Have heat-insulation layer, there is heat-insulation layer between described bending work tube and outer protection tube B, described horizontal operation pipe fitting with it is described
Bending work tube internal diameter is communicated.
2. flexible polyurethane heat-insulating pipe fitting spanning tee according to claim 1, it is characterized in that：Described horizontal operation pipe
Part, described bending work tube use polyurethane plastics foam thermal insulation material, and described outer protection tube A, described outer protection tube B is adopted
Use polyethylene material.
3. flexible polyurethane heat-insulating pipe fitting spanning tee according to claim 2, it is characterized in that：Described horizontal operation pipe
Uniform wall thickness and coaxial between part and described outer protection tube A, wall thickness is equal between described bending work tube and outer protection tube B
Even, described horizontal operation pipe fitting, described bending work tube caliber scope are DN15mm-150mm.
4. the preparation method of a kind of one of claim 1-3 described flexible polyurethane heat-insulating pipe fitting spanning tee, it is characterized in that：
The method comprises the following steps：First from polyethylene outer protective pipe, flexible working pipeline with flexible structure, with can be any
The flexible soft thermal insulating pipe of bending；
The structure of spanning tee is made, is pinpointed on pipeline, according to outer protection tube diameter, opened on outer protection tube surface and take circular hole, will be poly-
After urethane plastic foam heat-insulation layer perforate, remove the polyurethane for drilling through position, cleaning spills instrumentation tubes, changes and threeway instrumentation tubes
With the hole making drill of caliber size, opened on service pipe and take circular hole, then using hot-melt technology, respectively to osseotomy site and straight tube
The instrumentation tubes heating and melting of section, it is synchronous that straight length is inserted into osseotomy site, highdensity polyurethane composition is used after natural cooling
Material carries out polyurethane foam to binding site, and sealant application polyurethane position, flexible polyurethane insulating tube are used after repairing type
Part spanning tee is successful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611229459.4A CN106764189A (en) | 2016-12-27 | 2016-12-27 | Flexible polyurethane heat-insulating pipe fitting spanning tee and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611229459.4A CN106764189A (en) | 2016-12-27 | 2016-12-27 | Flexible polyurethane heat-insulating pipe fitting spanning tee and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106764189A true CN106764189A (en) | 2017-05-31 |
Family
ID=58922005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611229459.4A Pending CN106764189A (en) | 2016-12-27 | 2016-12-27 | Flexible polyurethane heat-insulating pipe fitting spanning tee and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106764189A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201615306U (en) * | 2010-03-07 | 2010-10-27 | 河北昊天热电设备集团有限公司 | Special-shaped spanning tee |
| CN103438330A (en) * | 2013-08-27 | 2013-12-11 | 浙江创想节能科技有限公司 | Ultrahigh-temperature heat-insulation device |
| JP2014139467A (en) * | 2013-01-21 | 2014-07-31 | Miura Co Ltd | Heat insulation structure |
| CN104455939A (en) * | 2014-10-31 | 2015-03-25 | 哈尔滨朗格斯特节能科技有限公司 | Device and method for fixing alarm lines to crosslinked polyethylene thermal-insulating pipe crossing tee joint |
| CN204239949U (en) * | 2014-10-08 | 2015-04-01 | 哈尔滨朗格斯特节能科技有限公司 | Intelligence prefabricated direct-buried thermal insulation pipe double steel tube pipe fitting spanning tee |
| CN105299388A (en) * | 2015-12-08 | 2016-02-03 | 朗格斯特哈尔滨环保节能产品制造有限公司 | High-temperature thermal insulation pipe fitting containing aerogel thermal insulation material and thermal insulation method |
| CN205315921U (en) * | 2016-01-08 | 2016-06-15 | 河北巨擎管道制造有限公司 | Tee bend is strideed across to polyurethane direct -burried |
| CN105864581A (en) * | 2016-06-12 | 2016-08-17 | 韩松 | Multifunctional composite thermal-insulating layer |
| CN206290883U (en) * | 2016-12-27 | 2017-06-30 | 哈尔滨朗格思特供热装备科技有限公司 | Flexible polyurethane heat-insulating pipe fitting spanning tee |
-
2016
- 2016-12-27 CN CN201611229459.4A patent/CN106764189A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201615306U (en) * | 2010-03-07 | 2010-10-27 | 河北昊天热电设备集团有限公司 | Special-shaped spanning tee |
| JP2014139467A (en) * | 2013-01-21 | 2014-07-31 | Miura Co Ltd | Heat insulation structure |
| CN103438330A (en) * | 2013-08-27 | 2013-12-11 | 浙江创想节能科技有限公司 | Ultrahigh-temperature heat-insulation device |
| CN204239949U (en) * | 2014-10-08 | 2015-04-01 | 哈尔滨朗格斯特节能科技有限公司 | Intelligence prefabricated direct-buried thermal insulation pipe double steel tube pipe fitting spanning tee |
| CN104455939A (en) * | 2014-10-31 | 2015-03-25 | 哈尔滨朗格斯特节能科技有限公司 | Device and method for fixing alarm lines to crosslinked polyethylene thermal-insulating pipe crossing tee joint |
| CN105299388A (en) * | 2015-12-08 | 2016-02-03 | 朗格斯特哈尔滨环保节能产品制造有限公司 | High-temperature thermal insulation pipe fitting containing aerogel thermal insulation material and thermal insulation method |
| CN205315921U (en) * | 2016-01-08 | 2016-06-15 | 河北巨擎管道制造有限公司 | Tee bend is strideed across to polyurethane direct -burried |
| CN105864581A (en) * | 2016-06-12 | 2016-08-17 | 韩松 | Multifunctional composite thermal-insulating layer |
| CN206290883U (en) * | 2016-12-27 | 2017-06-30 | 哈尔滨朗格思特供热装备科技有限公司 | Flexible polyurethane heat-insulating pipe fitting spanning tee |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |