CN105299388A - High-temperature thermal insulation pipe fitting containing aerogel thermal insulation material and thermal insulation method - Google Patents
High-temperature thermal insulation pipe fitting containing aerogel thermal insulation material and thermal insulation method Download PDFInfo
- Publication number
- CN105299388A CN105299388A CN201510895991.9A CN201510895991A CN105299388A CN 105299388 A CN105299388 A CN 105299388A CN 201510895991 A CN201510895991 A CN 201510895991A CN 105299388 A CN105299388 A CN 105299388A
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- Prior art keywords
- thermal insulation
- pipe fitting
- aerogel thermal
- layer
- insulation layer
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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
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves
-
- 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
- F16L59/08—Means for preventing radiation, e.g. with metal foil
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention relates to a high-temperature thermal insulation pipe fitting containing an aerogel thermal insulation material and a thermal insulation method. At present, an original thermal insulation technology for a 450 DEG C extra-high temperature prefabricated thermal insulation pipe fitting used in the fields of heat supply, cold supply, petroleum and petrochemicals, and ships adopts thermal insulation materials such as polyurethane, rock wool, silicate and the like to carry out thermal insulation on an extra-high temperature pipeline, but has the problems such as a high heat conduction coefficient, a high energy source loss rate, a short thermal insulation layer service life, and the like. The high-temperature thermal insulation pipe fitting comprises an aerogel thermal insulation layer (2) which is arranged on a high-temperature conveying pipe fitting (1) in a sleeving mode, wherein a thermal reflection layer (3) is arranged on the outer part of the aerogel thermal insulation layer in the sleeving mode; and a composite outer protective layer (4) is arranged outside the thermal reflection layer (3) in the sleeving mode. The invention is suitable for the high-temperature thermal insulation pipe fitting.
Description
Technical field:
The present invention relates to the prefabricated heat-insulation and heat-preservation pipe fitting of 450 DEG C of superhigh temperature of heat supply, cooling, petroleum and petrochemical industry, ship domain use, be specifically related to a kind of the soak pipe fitting and the heat preserving method that contain aerogel thermal insulating material.
Background technique:
At present at the prefabricated heat-insulation and heat-preservation pipe fitting of 450 DEG C of superhigh temperature that heat supply, cooling, petroleum and petrochemical industry, ship domain use, original heat preservation technology, the thermal insulating material technology such as polyurethane, rock wool and silicate are adopted to be incubated superhigh temperature pipeline, but it is high to there is thermal conductivity, energy scatter ratio, scatter and disappear ratio is high, and the problem such as insulation life is short.
Summary of the invention:
The defect that the present invention seeks to exist for prior art provides a kind of the soak pipe fitting and the heat preserving method that contain aerogel thermal insulating material, reaches thermal conductivity low, and fire prevention top grade, water-proof performance is strong, realizes reaching 20 years working life.
Above-mentioned object is achieved through the following technical solutions:
A kind of soak pipe fitting containing aerogel thermal insulating material, its composition comprises: aerogel thermal insulation layer, described aerogel thermal insulation layer is enclosed within high temperature conveying pipe fitting, and described aerogel thermal insulation layer outer cover has heat-reflecting layer, and described heat-reflecting layer overcoat has compound outer protective layer.
The described soak pipe fitting containing aerogel thermal insulating material, described compound outer protective layer is the outer pillar of metal.
The described soak pipe fitting containing aerogel thermal insulating material, described compound outer protective layer is polyurethane composite protection layer, silicate composite protection layer, the outer pillar of metal.
The described soak pipe fitting containing aerogel thermal insulating material, described aerogel thermal insulation layer, described heat-reflecting layer are fixed by stainless steel metal ring-type clip, and the tooled joint process of described aerogel thermal insulation layer, described heat-reflecting layer adopts pressure sensitive tape to close.
The described soak pipe fitting containing aerogel thermal insulating material, the material of described aerogel thermal insulation layer is silica.
Described soak pipe fitting containing aerogel thermal insulating material and, the diameter of described high temperature conveying pipe fitting is 15mm ~ 2000mm.
The described soak pipe fitting heat preserving method containing aerogel thermal insulating material, this comprises the steps:
High temperature conveying pipe fitting, after welding flaw detection process and preservative treatment, under the state of room temperature, according to the aerogel thermal insulation layer of the resistance to 100-450 DEG C of high temperature that medium temperature is selected, is enclosed within described high temperature conveying pipe fitting outside.Then, be enclosed within described aerogel thermal insulation layer with heat-reflecting layer outside, according to temperature, can take to increase the described aerogel thermal insulation layer of multilayer and described heat-reflecting layer.Finally, with outer protective pipe sleeve at outermost described heat-reflecting layer.
The invention has the beneficial effects as follows:
Soak pipe fitting and the heat preserving method containing aerogel thermal insulating material of the present invention, when being used alone described aerogel insulation, uses glass fibre cloth to be fastened outside.
Soak pipe fitting and the heat preserving method containing aerogel thermal insulating material of the present invention, high temperature resistant, 450 DEG C can be reached, do not produce carbonization and signs of degradation.Fire-protection rating is the highest, reaches building A level fire-protection rating, can resistance to 650 DEG C of flames, and the present invention is applicable to the prefabricated heat-insulation and heat-preservation pipe fitting of the temperature range of-50-450 DEG C.
The present invention has ultra-low thermal conductivity, 100 DEG C, thermal conductivity 0.022W/MK, 200 DEG C, thermal conductivity 0.027W/MK, 500 DEG C, thermal conductivity 0.052W/MK.Only have 20% of Conventional insulation.
Water proofing property of the present invention is the strongest, and hydrophobic rate reaches 99.5%.Longest-lived, more than 20 years without the need to changing.Energy-conservation height: fractional energy savings reaches 30-50%.
Accompanying drawing illustrates:
Accompanying drawing 1 is structural representation of the present invention.
Accompanying drawing 2 is left views of accompanying drawing 1.
Embodiment:
Embodiment 1:
A kind of soak pipe fitting containing aerogel thermal insulating material, its composition comprises: aerogel thermal insulation layer 2, described aerogel thermal insulation layer is enclosed within high temperature conveying pipe fitting 1, and described aerogel thermal insulation layer outer cover has heat-reflecting layer 3, and described heat-reflecting layer overcoat has compound outer protective layer 4.
Embodiment 2:
The soak pipe fitting containing aerogel thermal insulating material according to embodiment 1, described compound outer protective layer is the outer pillar of metal.
Embodiment 3:
The soak pipe fitting containing aerogel thermal insulating material according to embodiment 1, described compound outer protective layer is polyurethane composite protection layer, silicate composite protection layer, the outer pillar of metal.
Embodiment 4:
The soak pipe fitting containing aerogel thermal insulating material according to embodiment 1 or 2 or 3, described aerogel thermal insulation layer, described heat-reflecting layer are fixed by stainless steel metal ring-type clip, and the tooled joint process of described aerogel thermal insulation layer, described heat-reflecting layer adopts pressure sensitive tape to close.
Embodiment 5:
The soak pipe fitting containing aerogel thermal insulating material according to embodiment 1 or 2 or 3 or 4, the material of described aerogel thermal insulation layer is silica.
Embodiment 6:
The soak pipe fitting containing aerogel thermal insulating material according to embodiment 1 or 2 or 3 or 4 or 5, the diameter of described high temperature conveying pipe fitting is 15mm ~ 2000mm.
Embodiment 7:
The soak pipe fitting heat preserving method containing aerogel thermal insulating material that one of embodiment 1-6 is described, this comprises the steps:
High temperature conveying pipe fitting, after welding flaw detection process and preservative treatment, under the state of room temperature, according to the aerogel thermal insulation layer of the resistance to 100-450 DEG C of high temperature that medium temperature is selected, is enclosed within described high temperature conveying pipe fitting outside.Then, be enclosed within described aerogel thermal insulation layer with heat-reflecting layer outside, according to temperature, can take to increase the described aerogel thermal insulation layer of multilayer and described heat-reflecting layer.Finally, with outer protective pipe sleeve at outermost described heat-reflecting layer.
Embodiment 8:
The heat preserving method of the soak pipe fitting containing aerogel thermal insulating material according to embodiment 1 or 2 or 3 or 4 or 5, described high temperature conveying pipe fitting is after welding flaw detection process and preservative treatment, under the state of room temperature, according to the aerogel thermal insulation layer described in the resistance to 100-450 DEG C of high temperature that medium temperature is selected, high-temperature pipe fitting is wrapped in the form of a ring.
Embodiment 9:
The heat preserving method of the soak pipe fitting containing aerogel thermal insulating material according to embodiment 1 or 2 or 3 or 4 or 5, when described high temperature conveying pipe fitting is used alone described aerogel thermal insulation layer insulation, glass fibre cloth is used to be fastened in described aerogel thermal insulation layer outside.
Claims (7)
1. the soak pipe fitting containing aerogel thermal insulating material, its composition comprises: aerogel thermal insulation layer, it is characterized in that: described aerogel thermal insulation layer is enclosed within high temperature conveying pipe fitting, and described aerogel thermal insulation layer outer cover has heat-reflecting layer, and described heat-reflecting layer overcoat has compound outer protective layer.
2. the soak pipe fitting containing aerogel thermal insulating material according to claim 1, is characterized in that: described compound outer protective layer is the outer pillar of metal.
3. the soak pipe fitting containing aerogel thermal insulating material according to claim 1, is characterized in that: described compound outer protective layer is polyurethane composite protection layer, silicate composite protection layer, the outer pillar of metal.
4. the soak pipe fitting containing aerogel thermal insulating material according to claim 1 or 2 or 3, it is characterized in that: described aerogel thermal insulation layer, described heat-reflecting layer are fixed by stainless steel metal ring-type clip, the tooled joint process of described aerogel thermal insulation layer, described heat-reflecting layer adopts pressure sensitive tape to close.
5. the soak pipe fitting containing aerogel thermal insulating material according to claim 1 or 2 or 3 or 4, is characterized in that: the material of described aerogel thermal insulation layer is silica.
6. the soak pipe fitting containing aerogel thermal insulating material according to claim 1 or 2 or 3 or 4 or 5, is characterized in that: the diameter of described high temperature conveying pipe fitting is 15mm ~ 2000mm.
7. the soak pipe fitting heat preserving method containing aerogel thermal insulating material that one of claim 1-6 is described, is characterized in that: this comprises the steps:
High temperature conveying pipe fitting is after welding flaw detection process and preservative treatment, under the state of room temperature, according to the aerogel thermal insulation layer of the resistance to 100-450 DEG C of high temperature that medium temperature is selected, be enclosed within described high temperature conveying pipe fitting outside, then, be enclosed within described aerogel thermal insulation layer with heat-reflecting layer outside, according to temperature, can take to increase the described aerogel thermal insulation layer of multilayer and described heat-reflecting layer, finally, with outer protective pipe sleeve at outermost described heat-reflecting layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510895991.9A CN105299388A (en) | 2015-12-08 | 2015-12-08 | High-temperature thermal insulation pipe fitting containing aerogel thermal insulation material and thermal insulation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510895991.9A CN105299388A (en) | 2015-12-08 | 2015-12-08 | High-temperature thermal insulation pipe fitting containing aerogel thermal insulation material and thermal insulation method |
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| Publication Number | Publication Date |
|---|---|
| CN105299388A true CN105299388A (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510895991.9A Pending CN105299388A (en) | 2015-12-08 | 2015-12-08 | High-temperature thermal insulation pipe fitting containing aerogel thermal insulation material and thermal insulation method |
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| CN (1) | CN105299388A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953029A (en) * | 2016-06-14 | 2016-09-21 | 无锡新辉龙科技有限公司 | Composite thermal insulation material for heating of flexible pipeline |
| CN106499901A (en) * | 2016-12-27 | 2017-03-15 | 哈尔滨朗格思特供热装备科技有限公司 | Superhigh temperature prefabricated direct-buried thermal insulation pipe part parallel tee and heat preserving method |
| CN106499903A (en) * | 2016-12-27 | 2017-03-15 | 哈尔滨朗格思特供热装备科技有限公司 | Superhigh temperature prefabricated direct-buried thermal insulation pipe part elbow and production application process |
| CN106523856A (en) * | 2016-12-27 | 2017-03-22 | 哈尔滨朗格思特供热装备科技有限公司 | Ultrahigh-temperature prefabricated direct burial heat preservation pipe and heat preservation method |
| CN106523857A (en) * | 2016-12-27 | 2017-03-22 | 哈尔滨朗格思特供热装备科技有限公司 | Ultrahigh-temperature prefabricated direct burial heat preservation pipe fitting spanning tee joint and heat preservation method |
| CN106764251A (en) * | 2016-12-27 | 2017-05-31 | 哈尔滨朗格思特供热装备科技有限公司 | Superhigh temperature prefabricated direct-buried thermal insulation pipe part threeway and production application process |
| CN106764189A (en) * | 2016-12-27 | 2017-05-31 | 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 and preparation method |
| WO2024207770A1 (en) * | 2023-04-07 | 2024-10-10 | 昆山杜克大学 | Ultrahigh-temperature-resistant ceramic metamaterial for inhibiting thermal radiation and preparation method therefor |
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| CN2314220Y (en) * | 1997-12-26 | 1999-04-14 | 李宝恒 | Thermal insulating casing for valve of pipeline |
| CN1908499A (en) * | 2005-08-03 | 2007-02-07 | 成都市兴岷江电热电器有限责任公司 | Electric heater for pipeline |
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| CN104121424A (en) * | 2014-07-15 | 2014-10-29 | 常州市武进武南管道设备有限公司 | Thermal insulation hoop and pipe support thereof |
| CN205678364U (en) * | 2015-12-08 | 2016-11-09 | 朗格斯特哈尔滨环保节能产品制造有限公司 | Soak pipe fitting containing aeroge insulation material |
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2015
- 2015-12-08 CN CN201510895991.9A patent/CN105299388A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2314220Y (en) * | 1997-12-26 | 1999-04-14 | 李宝恒 | Thermal insulating casing for valve of pipeline |
| CN1908499A (en) * | 2005-08-03 | 2007-02-07 | 成都市兴岷江电热电器有限责任公司 | Electric heater for pipeline |
| CN202955418U (en) * | 2012-11-22 | 2013-05-29 | 淮安四方保温管有限公司 | Steam direct buried pipe composite thermal insulation structure |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953029A (en) * | 2016-06-14 | 2016-09-21 | 无锡新辉龙科技有限公司 | Composite thermal insulation material for heating of flexible pipeline |
| CN106499901A (en) * | 2016-12-27 | 2017-03-15 | 哈尔滨朗格思特供热装备科技有限公司 | Superhigh temperature prefabricated direct-buried thermal insulation pipe part parallel tee and heat preserving method |
| CN106499903A (en) * | 2016-12-27 | 2017-03-15 | 哈尔滨朗格思特供热装备科技有限公司 | Superhigh temperature prefabricated direct-buried thermal insulation pipe part elbow and production application process |
| CN106523856A (en) * | 2016-12-27 | 2017-03-22 | 哈尔滨朗格思特供热装备科技有限公司 | Ultrahigh-temperature prefabricated direct burial heat preservation pipe and heat preservation method |
| CN106523857A (en) * | 2016-12-27 | 2017-03-22 | 哈尔滨朗格思特供热装备科技有限公司 | Ultrahigh-temperature prefabricated direct burial heat preservation pipe fitting spanning tee joint and heat preservation method |
| CN106764251A (en) * | 2016-12-27 | 2017-05-31 | 哈尔滨朗格思特供热装备科技有限公司 | Superhigh temperature prefabricated direct-buried thermal insulation pipe part threeway and production application process |
| CN106764189A (en) * | 2016-12-27 | 2017-05-31 | 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 and preparation method |
| WO2024207770A1 (en) * | 2023-04-07 | 2024-10-10 | 昆山杜克大学 | Ultrahigh-temperature-resistant ceramic metamaterial for inhibiting thermal radiation and preparation method therefor |
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| PB01 | Publication | ||
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Application publication date: 20160203 |