CN105299387A - High-temperature insulation pipe containing aerogel insulation material and installation method - Google Patents
High-temperature insulation pipe containing aerogel insulation material and installation method Download PDFInfo
- Publication number
- CN105299387A CN105299387A CN201510895479.4A CN201510895479A CN105299387A CN 105299387 A CN105299387 A CN 105299387A CN 201510895479 A CN201510895479 A CN 201510895479A CN 105299387 A CN105299387 A CN 105299387A
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- China
- Prior art keywords
- temperature
- insulation layer
- thermal insulation
- aerogel thermal
- heat
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Classifications
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- 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
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- 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
Abstract
The invention discloses a high-temperature insulation pipe containing an aerogel insulation material and an installation method. A traditional insulation technology adopts such insulation material technologies as polyurethane, rock cottons and silicates to preserve the heat of an ultrahigh-temperature pipe, but the heat conductivity coefficient is high, the energy dispersion rate is high, and the service life of an insulation layer is short. The high-temperature insulation pipe containing the aerogel insulation material comprises a high-temperature conveying pipe (1), wherein the high-temperature conveying pipe is annularly wrapped through a high-temperature aerogel insulation layer (2); the aerogel insulation layer is wrapped through a heat reflecting layer (3); and a metal outer protection pipe or a composite metal outer protection pipe (4) is arranged outside the heat reflecting layer. The high-temperature insulation pipe containing the aerogel insulation material is applied to ultrahigh-temperature prefabricated thermal insulation pipes of 450 DEG C used in the fields of heat supply, cold supply, petroleum, petrifaction and ships.
Description
technical field:
the present invention relates to a kind of the soak pipeline and the installation method that contain aerogel thermal insulating material.
background technique:
current original heat preservation technology, adopt the thermal insulating material technology such as polyurethane, rock wool and silicate to be incubated superhigh temperature pipeline, but thermal conductivity is high, energy scatter ratio, scatter and disappear ratio is high, and insulation life is short.
summary of the invention:
the object of this invention is to provide a kind of the soak pipeline and the installation method that contain aerogel thermal insulating material.
above-mentioned object is realized by following technological scheme:
a kind of soak pipeline containing aerogel thermal insulating material, its composition comprises: high temperature conveyance conduit, described high temperature conveyance conduit is wrapped by the aerogel thermal insulation layer of high temperature by described high temperature conveyance conduit in the form of a ring, described aerogel thermal insulation layer is wrapped up by heat-reflecting layer, and described heat-reflecting layer outside has the outer pillar of metal or the outer pillar of composition metal.
the described soak pipeline containing aerogel thermal insulating material, described aerogel thermal insulation layer and described heat-reflecting layer adopt stainless steel metal ring-type clip to be fixed, and described aerogel thermal insulation layer and described heat-reflecting layer are a Rotating fields or multi-layer structure.
the described soak pipeline containing aerogel thermal insulating material, when described aerogel thermal insulation layer is used alone, is fastened by glass fibre cloth in described aerogel thermal insulation layer outside.
the installation method of the described soak pipeline containing aerogel thermal insulating material, the method comprises the steps:
high temperature conveyance conduit will through welding flaw detection process and preservative treatment; Under the state of room temperature, temperature operation can not be with, according to the aerogel thermal insulation layer of the resistance to 100-450 DEG C of high temperature that medium temperature is selected, high-temperature pipe be wrapped in the form of a ring; According to medium temperature and insulation demand, adopt heat-reflecting layer to carry out parcel aerogel thermal insulation layer, according to the rising of temperature, can take to increase the aerogel thermal insulation layer of multilayer and the installation of heat-reflecting layer again; Outer pillar makes or the outer pillar of compound makes.
outer pillar is the injury protection given aerogel thermal insulation layer and heat-reflecting layer, can take polyurethane complex protection, silicate complex protection etc. according to temperature, then installs the outer pillar of metal, also directly can install the outer pillar of metal; The installation of aerogel thermal insulation layer and heat-reflecting layer is fixed, and the thermal insulation layer of stainless steel metal ring-type clip to parcel can be taked to be fixed, and the tooled joint process of thermal insulation layer adopts pressure sensitive tape to close; When being used alone aerogel insulation, glass fibre cloth is used to be fastened outside.
beneficial effect of the present invention:
1. to solve the conventional heat insulation effect of 450 DEG C of pipelines poor in the present invention, and thermal conductivity is high, and the energy scatters and disappears high, the problem that insulation life is short.Realize thermal conductivity low, fire prevention top grade, water-proof performance is strong, reaches more than 20 years working life.High temperature resistant, 450 DEG C can be reached, do not produce carbonization and signs of degradation.
fire-protection rating of the present invention is the highest, reaches building A level fire-protection rating, can resistance to 650 DEG C of flames.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 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%.
the present invention is applicable to the prefabricated heat-insulation and heat-preservation pipeline of the temperature range of-50-450 DEG C, and suitable conduit model is DN15mm-2000mm.
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 pipeline containing aerogel thermal insulating material, its composition comprises: high temperature conveyance conduit 1, described high temperature conveyance conduit is wrapped by the aerogel thermal insulation layer 2 of high temperature by described high temperature conveyance conduit in the form of a ring, described aerogel thermal insulation layer is wrapped up by heat-reflecting layer 3, and described heat-reflecting layer outside has the outer pillar of metal or the outer pillar 4 of composition metal.
embodiment 2:
the soak pipeline containing aerogel thermal insulating material according to embodiment 1, described aerogel thermal insulation layer and described heat-reflecting layer adopt stainless steel metal ring-type clip to be fixed, and described aerogel thermal insulation layer and described heat-reflecting layer are a Rotating fields or multi-layer structure.
embodiment 3:
the soak pipeline containing aerogel thermal insulating material according to embodiment 1 or 2, when described aerogel thermal insulation layer is used alone, is fastened by glass fibre cloth in described aerogel thermal insulation layer outside.
embodiment 4:
the installation method of the soak pipeline containing aerogel thermal insulating material that one of a kind of embodiment 1-3 is described, is characterized in that: the method comprises the steps:
high temperature conveyance conduit will through welding flaw detection process and preservative treatment; Under the state of room temperature, temperature operation can not be with, according to the aerogel thermal insulation layer of the resistance to 100-450 DEG C of high temperature that medium temperature is selected, high-temperature pipe be wrapped in the form of a ring; According to medium temperature and insulation demand, adopt heat-reflecting layer to carry out parcel aerogel thermal insulation layer, according to the rising of temperature, can take to increase the aerogel thermal insulation layer of multilayer and the installation of heat-reflecting layer again; Outer pillar makes or the outer pillar of compound makes.
outer pillar is the injury protection given aerogel thermal insulation layer and heat-reflecting layer, can take polyurethane complex protection, silicate complex protection etc. according to temperature, then installs the outer pillar of metal, also directly can install the outer pillar of metal; The installation of aerogel thermal insulation layer and heat-reflecting layer is fixed, and the thermal insulation layer of stainless steel metal ring-type clip to parcel can be taked to be fixed, and the tooled joint process of thermal insulation layer adopts pressure sensitive tape to close; When being used alone aerogel insulation, glass fibre cloth is used to be fastened outside.
embodiment 5:
98% of aerogel is air, and minimum density is 3.55kg/m3, is the lightest known solid, have low density, high porosity, thermal conductivity, low-refraction, novel light porous nano technologic material, because main material is silica, also referred to as aerosil.
Claims (4)
1. the soak pipeline containing aerogel thermal insulating material, its composition comprises: high temperature conveyance conduit, it is characterized in that: described high temperature conveyance conduit is wrapped by the aerogel thermal insulation layer of high temperature by described high temperature conveyance conduit in the form of a ring, described aerogel thermal insulation layer is wrapped up by heat-reflecting layer, and described heat-reflecting layer outside has the outer pillar of metal or the outer pillar of composition metal.
2. the soak pipeline containing aerogel thermal insulating material according to claim 1, it is characterized in that: described aerogel thermal insulation layer and described heat-reflecting layer adopt stainless steel metal ring-type clip to be fixed, and described aerogel thermal insulation layer and described heat-reflecting layer are a Rotating fields or multi-layer structure.
3. the soak pipeline containing aerogel thermal insulating material according to claim 1 and 2, is characterized in that: when described aerogel thermal insulation layer is used alone, and is fastened by glass fibre cloth in described aerogel thermal insulation layer outside.
4. an installation method for the soak pipeline containing aerogel thermal insulating material that one of claim 1-3 is described, is characterized in that: the method comprises the steps:
High temperature conveyance conduit will through welding flaw detection process and preservative treatment; Operate under the state of room temperature, can not high-temperature operation be with, according to the aerogel thermal insulation layer of the resistance to 100-450 DEG C of high temperature that medium temperature is selected, high-temperature pipe is wrapped in the form of a ring; According to medium temperature and insulation demand, adopt heat-reflecting layer to carry out parcel aerogel thermal insulation layer, according to the rising of temperature, can take to increase the aerogel thermal insulation layer of multilayer and the installation of heat-reflecting layer again; Outer pillar makes or the outer pillar of compound makes, outer pillar is the injury protection given aerogel thermal insulation layer and heat-reflecting layer, polyurethane complex protection, silicate complex protection etc. can be taked according to temperature, the outer pillar of metal is installed, the outer pillar of metal also can be directly installed; The installation of aerogel thermal insulation layer and heat-reflecting layer is fixed, and the thermal insulation layer of stainless steel metal ring-type clip to parcel can be taked to be fixed, and the tooled joint process of thermal insulation layer adopts pressure sensitive tape to close; When being used alone aerogel insulation, glass fibre cloth is used to be fastened outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510895479.4A CN105299387A (en) | 2015-12-08 | 2015-12-08 | High-temperature insulation pipe containing aerogel insulation material and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510895479.4A CN105299387A (en) | 2015-12-08 | 2015-12-08 | High-temperature insulation pipe containing aerogel insulation material and installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105299387A true CN105299387A (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510895479.4A Pending CN105299387A (en) | 2015-12-08 | 2015-12-08 | High-temperature insulation pipe containing aerogel insulation material and installation method |
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| CN (1) | CN105299387A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439360A (en) * | 2016-09-14 | 2017-02-22 | 成都昶艾电子科技有限公司 | High-temperature heating pipe and preparation method thereof |
| 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 |
| CN109968685A (en) * | 2019-03-26 | 2019-07-05 | 浙江伟星新型建材股份有限公司 | A kind of composite insulating pipe preparation method |
| CN111928062A (en) * | 2020-08-18 | 2020-11-13 | 江苏华昌化工股份有限公司 | Recycling method for byproduct steam of coal gasification conversion device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN205208049U (en) * | 2015-12-08 | 2016-05-04 | 朗格斯特哈尔滨环保节能产品制造有限公司 | High temperature hot oil line who contains aerogel insulation material |
-
2015
- 2015-12-08 CN CN201510895479.4A patent/CN105299387A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN205208049U (en) * | 2015-12-08 | 2016-05-04 | 朗格斯特哈尔滨环保节能产品制造有限公司 | High temperature hot oil line who contains aerogel insulation material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439360A (en) * | 2016-09-14 | 2017-02-22 | 成都昶艾电子科技有限公司 | High-temperature heating pipe and preparation method thereof |
| 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 |
| CN109968685A (en) * | 2019-03-26 | 2019-07-05 | 浙江伟星新型建材股份有限公司 | A kind of composite insulating pipe preparation method |
| CN111928062A (en) * | 2020-08-18 | 2020-11-13 | 江苏华昌化工股份有限公司 | Recycling method for byproduct steam of coal gasification conversion device |
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Application publication date: 20160203 |
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