CN206290882U - Superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee - Google Patents
Superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee Download PDFInfo
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- CN206290882U CN206290882U CN201621447096.7U CN201621447096U CN206290882U CN 206290882 U CN206290882 U CN 206290882U CN 201621447096 U CN201621447096 U CN 201621447096U CN 206290882 U CN206290882 U CN 206290882U
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- insulation
- steel pipe
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- superhigh temperature
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Abstract
A kind of superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee.Current original heat preservation technology, is incubated, although above-mentioned this structure can play certain insulation effect, but thermal conductivity factor is high, and energy rate of scattering and disappearing is high, and insulation life is short using the insulation material such as polyurethane, rock wool and silicate technology to superhigh temperature pipeline.A kind of superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee, its composition includes:Steel pipe A(1), steel pipe B(2), rock wool heat-preservation layer(3), aeroge heat-insulation layer(4)With polyurethane insulation coating (5), outer wall of steel pipe annularly carries out closing parcel using rock wool, rock wool integument outside annularly carries out closing parcel using aerogel blanket, the outside in aeroge heat-insulation layer and reflecting layer forms hard polyaminoester spray coating foaming by polyurethane coating, forms polyurethane insulation coating.The prefabricated heat-insulation and heat-preservation pipeline of 2000 DEG C of superhigh temperature that the utility model is applied to heat supply, cooling, petroleum and petrochemical industry, ship domain are used.
Description
Technical field:
The utility model is related to a kind of superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee, solves 2000 DEG C of guarantors of pipeline
Temperature technique is few, heat insulation effect is poor, and thermal conductivity factor is high, and the energy scatters and disappears height, the problems such as insulation life is short, high temperature is dangerous.
Background technology:
Current original heat preservation technology, is entered using the insulation material such as polyurethane, rock wool and silicate technology to superhigh temperature pipeline
Row insulation, although above-mentioned this structure can play certain insulation effect, but thermal conductivity factor is high, and energy rate of scattering and disappearing is high, and insulation
Layer short life.
The content of the invention:
The purpose of this utility model is to provide a kind of superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee.
Above-mentioned purpose is realized by following technical scheme:
A kind of superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee, its composition includes:Steel pipe A and steel pipe B, rock wool heat-preservation
Layer, aeroge heat-insulation layer and polyurethane insulation coating, described steel pipe A and the outer wall of described steel pipe B are annularly entered using rock wool
Row closing parcel, forms rock wool integument, and described rock wool integument outside annularly carries out closing parcel using aerogel blanket,
Described aeroge heat-insulation layer is formed, described aeroge heat-insulation layer outside is uniformly enclosed with heat-reflecting layer, described airsetting
The outside in glue heat-insulation layer and described reflecting layer forms hard polyaminoester spray coating foaming by polyurethane coating, forms described gathering
Urethane heat-insulation layer, metal protection layer is provided with the outside of described polyurethane insulation coating.
Described superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee, one end of described steel pipe B is described steel pipe A's
It is vertical welding structure in cambered surface, the other end of described steel pipe B is horizontal plane structure, described steel pipe A and described steel pipe B
Constitute spanning tee structure.
Described superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee, according to the rising of temperature, can take and be further added by multilayer
The installation of described aeroge heat-insulation layer and described heat-reflecting layer, between described aeroge heat-insulation layer and described reflecting layer
Stainless steel metal ring-type clip is taken to be fixed the heat-insulation layer for wrapping up.
Described superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee, when described aeroge heat-insulation layer is used alone, outward
Side is fixed by glass wool cloth uniform winding.
Described superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee, thickness and gas that described aerogel blanket closing is wrapped up
Gel heat-insulation temperature is proportional.
Described superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee, described steel pipe A and described steel pipe B is by weldering
Connect the high temperature conveyance conduit after flaw detection treatment and preservative treatment.
The beneficial effects of the utility model:
1. to realize reduction thermal conductivity factor low for the utility model, improves safety, fire-protection rating, and heat-insulating property is strong, uses the longevity
Life length, high efficiency of energy is utilized, and realizes obvious energy-saving and emission-reduction.
The utility model carries out closing parcel in resistant to elevated temperatures pipeline outer wall using rock wool, then outside rock wool integument
Closing parcel is carried out using aerogel blanket again, the thickness for closing parcel will be according to the aerogel heat-proof temperature for using, to pipeline most
High temperature and the heat insulation effect data realized carry out calculated thickness, are finally carried out firmly using polyurethane spray coating method outside aeroge
Matter polyurethane coating foams, and realizes hard polyaminoester spraying closing insulation, finally makes metal protection layer in polyurethane external, real
Existing high-temperature pipe insulation.
The utility model high temperature resistant, up to 2000 DEG C, does not produce carbonization and signs of degradation;Fire-protection rating highest, reaches and builds
A grades of fire-protection rating is built, 2000 DEG C of flames are resistant to;Ultra-low thermal conductivity, 100 DEG C, thermal conductivity factor 0.022W/MK, 200 DEG C, heat conduction
Coefficient 0.027W/MK, 500 DEG C, thermal conductivity factor 0.052W/MK.Only the 20% of Conventional insulation;Water proofing property is most strong, hydrophobic
Rate is up to 99.5%;Longest-lived, more than 20 years without changing;Energy-conservation is high:Fractional energy savings reaches 30-50%.
The 98% of aeroge of the present utility model is air, and minimum density is 3.55kg/m3, is known most light solid, tool
Have low-density, high porosity, thermal conductivity factor, low-refraction, be novel light porous nano technologic material, due to main material
It is silica, also referred to as aerosil.
Brief description of the drawings:
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is the front view of accompanying drawing 1.
Accompanying drawing 3 is the left view of accompanying drawing 1.
Specific embodiment:
Embodiment 1:
A kind of superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee, its composition includes:Steel pipe A1 and steel pipe B2, rock wool heat-preservation
Layer 3, aeroge heat-insulation layer 4 and polyurethane insulation coating 5, described steel pipe A and the outer wall of described steel pipe B are annular in shape using rock wool
Closing parcel is carried out, rock wool integument is formed, described rock wool integument outside annularly carries out closing bag using aerogel blanket
Wrap up in, form described aeroge heat-insulation layer, described aeroge heat-insulation layer outside is uniformly enclosed with heat-reflecting layer, described gas
The outside in gel heat-insulation layer and described reflecting layer forms hard polyaminoester spray coating foaming by polyurethane coating, forms described
Polyurethane insulation coating, is provided with metal protection layer 6 on the outside of described polyurethane insulation coating.
Embodiment 2:
Superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee according to embodiment 1, one end of described steel pipe B is in institute
Be vertical welding structure in the cambered surface of the steel pipe A for stating, the other end of described steel pipe B is horizontal plane structure, described steel pipe A and
Described steel pipe B constitutes spanning tee structure.
Embodiment 3:
Superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee according to embodiment 1 or 2, according to the rising of temperature, can
Take the installation for being further added by aeroge heat-insulation layer and described heat-reflecting layer described in multilayer, described aeroge heat-insulation layer and institute
Stainless steel metal ring-type clip is taken to be fixed the heat-insulation layer for wrapping up between the reflecting layer stated.
Embodiment 4:
Superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee according to embodiment 1 or 2 or 3, described aeroge is protected
When warm layer is used alone, outside is fixed by glass wool cloth uniform winding.
Embodiment 5:
Superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee according to embodiment 1 or 2 or 3 or 4, described aeroge
The thickness of felt closing parcel is proportional with aerogel heat-proof temperature.
Embodiment 6:
Superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee according to embodiment 1 or 2 or 3 or 4 or 5, described steel
Pipe A and described steel pipe B are by the high temperature conveyance conduit after welding flaw detection treatment and preservative treatment.
Embodiment 7:
High temperature conveyance conduit is detected a flaw after treatment and preservative treatment by welding, in the state of room temperature, according to medium temperature
The aeroge heat-insulation layer of the resistance to 450-2000 DEG C of high temperature of selection, high-temperature pipe is annularly wrapped.Then, according to medium temperature
With insulation demand, take heat-reflecting layer to carry out wrapping up aeroge heat-insulation layer, according to temperature, the aeroge for being further added by multilayer can be taken
The installation of heat-insulation layer and heat-reflecting layer.
Embodiment 8:
Outer protection tube makes or is combined outer protection tube making:
Outer protection tube is that aeroge heat-insulation layer and heat-reflecting layer are given to protect, and the compound guarantor of polyurethane can be taken according to temperature
Shield, silicate complex protection etc., then metal outer protection tube is installed, can also be mounted directly metal outer protection tube.
Embodiment 9:
In the state of room temperature, it is impossible to which band temperature is operated, the airsetting of the resistance to 450-2000 DEG C of high temperature selected according to medium temperature
Glue heat-insulation layer, high-temperature pipe is annularly wrapped, while according to medium temperature and insulation demand, being wrapped using heat-reflecting layer
Aeroge heat-insulation layer is wrapped up in, according to the rising of temperature, the aeroge heat-insulation layer and the installation of heat-reflecting layer for being further added by multilayer can be taken.
Embodiment 10:
The installation of aeroge heat-insulation layer and heat-reflecting layer is fixed, and can take insulation of the stainless steel metal ring-type clip to wrapping up
Layer is fixed, and the tooled joint treatment of heat-insulation layer when exclusive use aeroge is incubated, uses glass outside using pressure sensitive adhesive tape closing
Glass silk cloth is wound fixation.
Embodiment 11:
The prefabricated heat-insulation and heat-preservation pipeline of this new temperature range suitable for -50-2000 DEG C, pipeline model DN15mm-
2000mm。
Claims (6)
1. a kind of superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee, its composition includes:Steel pipe A and steel pipe B, rock wool heat-preservation layer,
Aeroge heat-insulation layer and polyurethane insulation coating, it is characterized in that:Described steel pipe A and the outer wall of described steel pipe B are in using rock wool
Ring-type carries out closing parcel, forms rock wool integument, and described rock wool integument outside is annularly sealed using aerogel blanket
Closure is wrapped up in, and forms described aeroge heat-insulation layer, and described aeroge heat-insulation layer outside is uniformly enclosed with heat-reflecting layer, described
Aeroge heat-insulation layer and described reflecting layer outside by polyurethane coating formed hard polyaminoester spray coating foaming, formed institute
The polyurethane insulation coating stated, metal protection layer is provided with the outside of described polyurethane insulation coating.
2. superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee according to claim 1, it is characterized in that:Described steel pipe B
One end be vertical welding structure in the cambered surface of described steel pipe A, the other end of described steel pipe B is horizontal plane structure, institute
The steel pipe A and described steel pipe B for stating constitute spanning tee structure.
3. superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee according to claim 1, it is characterized in that:According to the liter of temperature
Height, can take the installation for being further added by aeroge heat-insulation layer and described heat-reflecting layer described in multilayer, described aeroge insulation
Stainless steel metal ring-type clip is taken to be fixed the heat-insulation layer for wrapping up between layer and described reflecting layer.
4. the superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee according to claim 1 or 3, it is characterized in that:Described gas
When gel heat-insulation layer is used alone, outside is fixed by glass wool cloth uniform winding.
5. superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee according to claim 1, it is characterized in that:Described aeroge
The thickness of felt closing parcel is proportional with aerogel heat-proof temperature.
6. superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee according to claim 1 and 2, it is characterized in that:Described steel
Pipe A and described steel pipe B are by the high temperature conveyance conduit after welding flaw detection treatment and preservative treatment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621447096.7U CN206290882U (en) | 2016-12-27 | 2016-12-27 | Superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee |
Applications Claiming Priority (1)
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CN201621447096.7U CN206290882U (en) | 2016-12-27 | 2016-12-27 | Superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee |
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CN206290882U true CN206290882U (en) | 2017-06-30 |
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CN201621447096.7U Expired - Fee Related CN206290882U (en) | 2016-12-27 | 2016-12-27 | Superhigh temperature prefabricated direct-buried thermal insulation pipe part spanning tee |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
2016
- 2016-12-27 CN CN201621447096.7U patent/CN206290882U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 Termination date: 20211227 |