CN105156840A - Heat insulation pipeline for conveying low-temperature medium - Google Patents
Heat insulation pipeline for conveying low-temperature medium Download PDFInfo
- Publication number
- CN105156840A CN105156840A CN201510617935.9A CN201510617935A CN105156840A CN 105156840 A CN105156840 A CN 105156840A CN 201510617935 A CN201510617935 A CN 201510617935A CN 105156840 A CN105156840 A CN 105156840A
- Authority
- CN
- China
- Prior art keywords
- tube
- outer tube
- layer
- heat insulation
- cryogenic media
- 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
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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
- F16L59/04—Arrangements using dry fillers, e.g. using slag wool which is added to the object to be insulated by pouring, spreading, spraying or the like
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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
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/145—Arrangements for the insulation of pipes or pipe systems providing fire-resistance
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a heat insulation pipeline for conveying a low-temperature medium, and relates to the field of heat insulation pipelines. The heat insulation pipeline comprises an outer tube, a heat insulation tube and an inner tube, wherein a liquid inlet tube is connected on the upper surface of the outer tube; a liquid outlet tube is connected on the lower surface of the outer tube; valves are arranged on the liquid inlet tube and the liquid outlet tube; a heat insulation layer comprises double stainless steel layers; an aerogel layer, a heat insulation film and a polyurethane foam layer are sequentially arranged between the double stainless steel layers from inside to outside; and a fireproof layer is arranged on the outer surface of the outer tube. The invention provides the heat insulation pipeline with good heat insulation for conveying the low-temperature medium.
Description
Technical field
The present invention relates to insulated piping field, be specifically related to a kind of cryogenic media conveying insulated piping.
Background technique:
In central heat supply, cooling field, all need to carry out insulation to the pipeline for medium transport, to guarantee the heat-insulating property of pipeline in medium transport process.The conveying of cryogenic media is carried by pipeline usually, in order to avoid affecting the performance of cryogenic media, higher requirement is had to pipeline in transmitting procedure, especially the heat-insulating property of pipeline, and existing pipeline general structure is comparatively simple, heat-insulating property is general, and therefore, the cryogenic media conveying insulated piping designing a kind of heat-insulating property good becomes problem demanding prompt solution.
Summary of the invention
The object of the present invention is to provide a kind of cryogenic media conveying insulated piping, to solve the above-mentioned multinomial defect caused in prior art.
A kind of cryogenic media conveying insulated piping, comprise outer tube, heat insulating tube and interior pipe, described outer tube upper surface is connected with liquid inlet pipe, outer tube lower surface is connected with drain pipe, liquid inlet pipe and drain pipe are equipped with valve, described thermal-protective coating comprises double-layer stainless steel layer, and described double-layer stainless steel interlayer is provided with aerogel layer, thermal isolation film and polyurethane foam from inside to outside successively, and described outer tube outer surface is provided with fire protection layer.
Preferably, described fire protection layer adopts glass fiber cloth to make.
Preferably, described outer tube and heat insulating tube, be all connected with stiffening rib between heat insulating tube and interior pipe.
Preferably, described stiffening rib adopts aluminium sheet to be bent into.
Preferably, described outer tube is Glass Steel Tube, and described interior pipe is vinyl tube.
The invention has the advantages that: this kind of cryogenic media conveying insulated piping, the valve on liquid inlet pipe can be opened in use, added water in outer tube by liquid inlet pipe or other fluids to play the thermal insulation of medium in internal pipe, buffer function, and fluid can periodically be changed, easy to use, thermal-protective coating adopts double-layer stainless steel to make, double-layer stainless steel interlayer is provided with aerogel layer from inside to outside successively, thermal isolation film and polyurethane foam, the insulation heat-insulating property of pipeline is improved by multiple structure, fire protection layer can effectively be avoided being exposed to the injury that outer outer tube is subject to the condition of a fire, outer tube and heat insulating tube, all stiffening rib is connected with between heat insulating tube and interior pipe, improve structural strength and the stability of pipeline, outer tube is Glass Steel Tube, interior pipe is vinyl tube, piping cost is low and quality good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein: pipe in 1-, 2-double-layer stainless steel layer, 3-liquid inlet pipe, 4-valve, 5-outer tube, 6-stiffening rib, 7-polyurethane foam, 8-thermal isolation film, 9-aerogel layer, 10-fire protection layer.
Embodiment
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
As shown in Figure 1, a kind of cryogenic media conveying insulated piping, comprise outer tube 5, heat insulating tube and interior pipe 1, described outer tube 5 upper surface is connected with liquid inlet pipe 3, outer tube 5 lower surface is connected with drain pipe, liquid inlet pipe 3 and drain pipe are equipped with valve 4, described thermal-protective coating comprises double-layer stainless steel layer 2, aerogel layer 9, thermal isolation film 8 and polyurethane foam 7 is provided with from inside to outside successively between described double-layer stainless steel layer 2, aerogel can bear the high temperature of 1000 DEG C, be applicable to the thermal insulation of pipeline high temperature media conveying, have extraordinary effect of heat insulation; Polyurethane foam 7 is due to containing many tiny foam holes, store immobilising gas in a large number again in foam hole, as carbon dioxide, cyclopentane etc., these gases can not run off under the effect of barrier layer, the thermal conductivity of heat insulation layer is stablized, and described outer tube 5 outer surface is provided with fire protection layer 10.
It should be noted that described fire protection layer 10 adopts glass fiber cloth to make, described outer tube 5 and heat insulating tube, between heat insulating tube and interior pipe 1, be all connected with stiffening rib 6.
At the present embodiment, described stiffening rib 6 adopts aluminium sheet to be bent into, and described outer tube 5 is Glass Steel Tube, and described interior pipe 1 is vinyl tube, and moisture absorption is little, and electrical insulating property is excellent.
Based on above-mentioned, this kind of cryogenic media conveying insulated piping, the valve 4 on liquid inlet pipe 3 can be opened in use, added water in outer tube 5 by liquid inlet pipe 3 or other fluids to play the heat insulating function of medium in internal pipe 1, and fluid can periodically be changed, easy to use, thermal-protective coating adopts double-layer stainless steel to make, aerogel layer 9 is provided with successively from inside to outside between double-layer stainless steel layer 2, thermal isolation film 8 and polyurethane foam 7, the insulation heat-insulating property of pipeline is improved by multiple structure, fire protection layer 10 can effectively be avoided being exposed to the injury that outer outer tube 5 is subject to the condition of a fire, outer tube 5 and heat insulating tube, stiffening rib 6 is all connected with between heat insulating tube and interior pipe 1, improve structural strength and the stability of pipeline, outer tube 5 is Glass Steel Tube, interior pipe 1 is vinyl tube, piping cost is low and quality good, the invention provides the cryogenic media conveying insulated piping that a kind of insulation effect is good.
As known by the technical knowledge, the present invention can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.
Claims (5)
1. a cryogenic media conveying insulated piping, it is characterized in that, comprise outer tube, heat insulating tube and interior pipe, described outer tube upper surface is connected with liquid inlet pipe, outer tube lower surface is connected with drain pipe, and liquid inlet pipe and drain pipe are equipped with valve, and described thermal-protective coating comprises double-layer stainless steel layer, described double-layer stainless steel interlayer is provided with aerogel layer, thermal isolation film and polyurethane foam from inside to outside successively, and described outer tube outer surface is provided with fire protection layer.
2. a kind of cryogenic media conveying insulated piping according to claim 1, is characterized in that: described fire protection layer adopts glass fiber cloth to make.
3. a kind of cryogenic media conveying insulated piping according to claim 1, is characterized in that: described outer tube and heat insulating tube, be all connected with stiffening rib between heat insulating tube and interior pipe.
4. a kind of cryogenic media conveying insulated piping according to claim 3, is characterized in that: described stiffening rib adopts aluminium sheet to be bent into.
5. a kind of cryogenic media conveying insulated piping according to claim 1, it is characterized in that: described outer tube is Glass Steel Tube, described interior pipe is vinyl tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617935.9A CN105156840A (en) | 2015-09-24 | 2015-09-24 | Heat insulation pipeline for conveying low-temperature medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617935.9A CN105156840A (en) | 2015-09-24 | 2015-09-24 | Heat insulation pipeline for conveying low-temperature medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105156840A true CN105156840A (en) | 2015-12-16 |
Family
ID=54797807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510617935.9A Pending CN105156840A (en) | 2015-09-24 | 2015-09-24 | Heat insulation pipeline for conveying low-temperature medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105156840A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2447234A (en) * | 2007-03-06 | 2008-09-10 | Richard John Birkett | Food and drink container comprising a phase change material |
| CN101305231A (en) * | 2004-03-26 | 2008-11-12 | 弗劳尔科技公司 | Cryogenic pipeline configurations and methods |
| CN202392357U (en) * | 2011-11-18 | 2012-08-22 | 武汉德威工程技术有限公司 | Directly-buried steam conveying pipeline |
| CN202674662U (en) * | 2012-03-18 | 2013-01-16 | 杭州纽创工业设计有限公司 | Barrel nozzle mechanism used for liquid chlorine carburetor |
| CN202828594U (en) * | 2012-09-23 | 2013-03-27 | 浙江绿卿竹业科技有限公司 | Settlement device used to extract plant pigment for dyeing fibers |
| CN203614998U (en) * | 2013-12-04 | 2014-05-28 | 陈小磊 | Liquid chlorine heating thermal insulation pipe |
| CN203907126U (en) * | 2014-06-25 | 2014-10-29 | 江苏中圣高科技产业有限公司 | Cold insulation composite material structure for ultralow temperature pipeline |
| CN104482319A (en) * | 2014-11-11 | 2015-04-01 | 贵州黔南科技塑业有限公司 | Heat insulation plastic pipe |
| CN104590756A (en) * | 2013-10-31 | 2015-05-06 | 海尔集团公司 | Ultra-low-temperature storage box |
| CN204328250U (en) * | 2014-12-11 | 2015-05-13 | 张良 | A kind of compound thermal insulation pipe |
| CN204986231U (en) * | 2015-09-24 | 2016-01-20 | 泰州市鑫润天冶金保温材料有限公司 | Low temperature medium transport uses adiabatic pipeline |
-
2015
- 2015-09-24 CN CN201510617935.9A patent/CN105156840A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101305231A (en) * | 2004-03-26 | 2008-11-12 | 弗劳尔科技公司 | Cryogenic pipeline configurations and methods |
| GB2447234A (en) * | 2007-03-06 | 2008-09-10 | Richard John Birkett | Food and drink container comprising a phase change material |
| CN202392357U (en) * | 2011-11-18 | 2012-08-22 | 武汉德威工程技术有限公司 | Directly-buried steam conveying pipeline |
| CN202674662U (en) * | 2012-03-18 | 2013-01-16 | 杭州纽创工业设计有限公司 | Barrel nozzle mechanism used for liquid chlorine carburetor |
| CN202828594U (en) * | 2012-09-23 | 2013-03-27 | 浙江绿卿竹业科技有限公司 | Settlement device used to extract plant pigment for dyeing fibers |
| CN104590756A (en) * | 2013-10-31 | 2015-05-06 | 海尔集团公司 | Ultra-low-temperature storage box |
| CN203614998U (en) * | 2013-12-04 | 2014-05-28 | 陈小磊 | Liquid chlorine heating thermal insulation pipe |
| CN203907126U (en) * | 2014-06-25 | 2014-10-29 | 江苏中圣高科技产业有限公司 | Cold insulation composite material structure for ultralow temperature pipeline |
| CN104482319A (en) * | 2014-11-11 | 2015-04-01 | 贵州黔南科技塑业有限公司 | Heat insulation plastic pipe |
| CN204328250U (en) * | 2014-12-11 | 2015-05-13 | 张良 | A kind of compound thermal insulation pipe |
| CN204986231U (en) * | 2015-09-24 | 2016-01-20 | 泰州市鑫润天冶金保温材料有限公司 | Low temperature medium transport uses adiabatic pipeline |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20151216 |