CN205190989U - Intelligence insulating tube - Google Patents
Intelligence insulating tube Download PDFInfo
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- CN205190989U CN205190989U CN201520970902.8U CN201520970902U CN205190989U CN 205190989 U CN205190989 U CN 205190989U CN 201520970902 U CN201520970902 U CN 201520970902U CN 205190989 U CN205190989 U CN 205190989U
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Abstract
The utility model belongs to the technical field of pipeline transport, concretely relates to intelligent steel conduit of the anticorrosive heat preservation of multilayer. The corrosion problems of pipeline is the key factor who influences pipe -line system reliability and life. To above -mentioned problem, the utility model provides an intelligence insulating tube who has the multi -layer protection function. The utility model provides an intelligence insulating tube has overcome the shortcoming that poor, the anticorrosive pipe of the anticorrosive function of insulating tube cannot detect to the infiltration, makes and adopts the utility model discloses a product life prolong greatly, has reduced use cost, has strengthened detectability and long -range monitoring function. The utility model discloses adopted hot -melt adhesive layer to bond between PE layer and foaming etc for the bonding force of PE and foam is better, the effectual shortcoming of having overcome PE, the two -layer skin of foam. Imbedded plain conductor in the steel pipe protective layer, can determine with the help of the change of the electrically conductive index that detects plain conductor is that the non - has the infiltration phenomenon to take place for to the more intelligent facility of the detection of steel conduit.
Description
Technical field
The utility model belongs to technical field of pipeline transport, is specifically related to a kind of multi-layer anticorrosion insulation Intelligent steel pipe road.
Background technique
Pipeline transport is the mode of movement as safety economy as flowing mediums such as a large amount of transfer oil, water, gases, has had more than 100 year history in the world.But the etching problem of pipeline is the key factor affecting pipe-line system reliability and working life, the corrosion-proof technology for pipeline development of China is very fast, but compared with developed countries, also there is very large gap.Along with the adjustment of the energy policy of China, the construction of long-distance transport pipes forms climax in China, proposes new requirement to pipeline corrosion protection insulation.
Three layers of PE (three-layer polyethylene) is exactly to be succeeded in developing by Europe in the eighties in 20th century and bring into use.It is the anti-corrosion structure performances such as Corrosion Protection good for clinkery epoxy powder (FBE), bondability, high resistance cathodic disbonding and the high permeability resistant of polyolefine material, good mechanical property and anti-soil stress combined, and its application is in continuous ascendant trend.The following drawback existed at present in traditional anti-corrosion heat insulation pipe: is the thermal insulation layer that seal space foaming formation steel pipe and PE protect between clipping layer due to traditional processing technology employing, pressure during its frostproof froth n is very large, so must adopt very thick PE jacket protective layer, PE waste of material is serious; The anti-corrosion heat insulation pipe that tratitional technology makes, foam heat-insulation layer is not bonding with PE jacket protective layer; Preparation process is discontinuous, and polyurethane foam expansion density is too large, and waste material makes again heat insulation effect reduce; . polyurethane foam is its Density inhomogeneity of thermal insulation layer formed.The utility model carries out a series of innovation exactly on steel-pipe construction, adopt and increase the bonding strong degree that copolymer adhesive tape increases foaming layer and steel pipe, the built-in hydrophilic substance of copolymer glue-line strengthens the monitoring function to steel pipe on effective corrosion-resistant thermal insulation basis, meets the demand of remote monitoring.
Model utility content
For the problems referred to above, the utility model provides a kind of intelligent heat preserving pipe with multilayer proofing function.The intelligent heat preserving pipe that the utility model provides overcomes the shortcoming that thermal insulation pipe anti-corrosion function is poor, anti-corrosion pipe cannot detect infiltration, make to adopt product of the present utility model greatly to extend working life, reduce user cost, enhance detectability and remote monitoring function.Because the utility model have employed heat-fusing glue layer between PE and foam, make the bonding force of PE and foam better, effectively overcome the shortcoming of PE, the two-layer skin of foam, owing to employing epoxy powder powder between foam and steel pipe, effectively completely cut off steel pipe and air, improve the corrosion resistance of steel pipeline.
For achieving the above object, the utility model is by the following technical solutions:
A kind of intelligent heat preserving pipe described in the utility model, comprise steel pipe (1), foaming layer (3), PE layer (5), also comprise one deck heat-fusing glue layer (4), foaming layer (3) is formed in order to the insulation to steel pipe (1) at the outer spray coating foaming material of described steel pipe (1), described heat-fusing glue layer (4) is wrapped in foaming layer (3) outside of steel pipe (1), PE layer (5) is wrapped in the skin of the heat-fusing glue layer (4) of steel pipe (1), namely steel pipe (1) is followed successively by from inside to outside, foaming layer (3), heat-fusing glue layer (4), PE layer (5), the heat-fusing glue layer (4) of PE layer (5) and foaming layer (3) interlayer serves bonding effect and waterproof action, reduce simultaneously foaming layer (3) and PE layer (5) due to thermal expansion coefficient different and cause the inconsistent additional internal stress caused of expanding with heat and contract with cold.
Further, a kind of intelligent heat preserving pipe described in the utility model, also have FBE (2) between steel pipe (1) and foaming layer (3), FBE (2) is sprayed at steel pipe (1) outer surface in order to improve the corrosion resistance of steel pipe (1).
Further, a kind of intelligent heat preserving pipe described in the utility model, also comprise plain conductor (7), plain conductor (7) is positioned at any layer of foaming layer (3), heat-fusing glue layer (4), PE band (5).
Further, a kind of intelligent heat preserving pipe described in the utility model, also comprise water expandable waterstop (6), water expandable waterstop (6) is wrapped between foaming layer (3) and heat-fusing glue layer (4), because water expandable waterstop (6) has water sorption, therefore can effectively prevent permeable layer from infiltrating further in steel pipe.
Further, a kind of intelligent heat preserving pipe described in the utility model, plain conductor (7) is wrapped steel pipe in the shape of a spiral along steel pipe axis or parallels to the axis and is distributed in heat-fusing glue layer (4), plain conductor (7) wire two ends are provided with circuit checker (8), when there is infiltration phenomenon, due to change in resistance, make the curtage detected by circuit checker (8) produce respective change, can determine whether accordingly steel pipe infiltration occurs.
Further, a kind of intelligent heat preserving pipe described in the utility model, plain conductor (7) is wrapped steel pipe in the shape of a spiral along steel pipe axis or parallels to the axis and is distributed in heat-fusing glue layer (4), plain conductor (7) wire two ends are provided with circuit checker (8), plain conductor (7) is parallel discontiguous two wires, if there is infiltration phenomenon, because the water playing conductor effect can by two wires together with formation loop, the circuit checker (8) be then connected in respectively on different metal wire can detect electric current and voltage, can determine whether accordingly to have water leakage.
Further, a kind of intelligent heat preserving pipe described in the utility model, plain conductor (7) is wrapped steel pipe in the shape of a spiral along steel pipe axis or parallels to the axis and is distributed in foaming layer (3) or PE layer (5).
A kind of intelligent heat preserving tube leakage infiltration detecting method, comprises the following steps:
1) current and voltage data at plain conductor (7) two ends circuit checker (8) is recorded;
2) record circuit detection device (8) data variation;
3) meet the change potential circuit change judgement that causes circuit checker (8) to detect of water whole specific resistance according to plain conductor (7) to leak infiltration situation;
4) judge in pipeline, which root steel pipe concrete has water leakage according to circuit checker (8) numbering.
The utility model compared with prior art, there is following beneficial effect: the intelligent heat preserving pipe adopting the utility model to provide overcomes the shortcoming that steel pipe thermal insulation pipe anti-corrosion function is poor, anti-corrosion pipe can not be incubated, product is extended working life greatly, reduces user cost.
The utility model compared with prior art, also there is following beneficial effect: because the utility model have employed heat-fusing glue layer, make the bonding force of PE and foam better, effectively overcome the shortcoming of PE, the two-layer skin of foam, owing to employing epoxy powder powder between foam and steel pipe, effectively completely cut off steel pipe and air, improve the corrosion resistance of steel pipeline.Compared with current thermal insulation pipe, reduce the later stage use and maintenance cost of cost of production and pipeline, and substantially increase the life-span of product.
The utility model also has following beneficial effect: the deficiency overcoming prior art; and demonstrate superiority of the present utility model; be in particular in the following aspects: owing to having imbedded plain conductor in water pipe precaution layer; the infiltration phenomenon that can judge between right and wrong by the conductive finger target change detecting plain conductor occurs, and makes the detection Intelligent portable more to steel pipeline.
Accompanying drawing explanation
Fig. 1 is a kind of intelligent heat preserving pipe embodiment 1 vertical section structure schematic diagram described in the utility model;
Fig. 2 is a kind of intelligent heat preserving pipe embodiment 1 cross section structure schematic diagram described in the utility model;
Fig. 3 is a kind of intelligent heat preserving pipe embodiment 2 vertical section structure schematic diagram described in the utility model;
Fig. 4 is a kind of intelligent heat preserving pipe embodiment 2 cross section structure schematic diagram described in the utility model;
In figure:
1, steel pipe; 2, FBE; 3, foaming layer; 4, heat-fusing glue layer; 5, PE layer; 6, water expandable waterstop; 7, plain conductor; 8, circuit checker.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of model utility, but are not used for limiting scope of the present utility model.
Embodiment 1
As shown in Figure 1-2, a kind of intelligent heat preserving pipe described in the utility model, comprise steel pipe 1, foaming layer 3, PE layer 5, also comprises one deck heat-fusing glue layer 4, foaming layer 3 is formed in order to the insulation to steel pipe 1 at the outer spray coating foaming material of described steel pipe 1, described heat-fusing glue layer 4 is wrapped in outside the foaming layer 3 of steel pipe 1, and PE layer 5 is wrapped in the skin of the heat-fusing glue layer 4 of steel pipe 1, is namely followed successively by steel pipe 1, foaming layer 3, heat-fusing glue layer 4, PE layer 5 from inside to outside; The heat-fusing glue layer 4 of PE layer 5 and foaming layer 3 interlayer serves bonding effect and waterproof action, reduce simultaneously foaming layer 3 and PE layer 5 due to thermal expansion coefficient different and cause the inconsistent additional internal stress caused of expanding with heat and contract with cold.
Further, a kind of intelligent heat preserving pipe described in the utility model, also have FBE 2 between steel pipe 1 and foaming layer 3, FBE 2 is sprayed at steel pipe 1 outer surface in order to improve the corrosion resistance of steel pipe 1.
Further, a kind of intelligent heat preserving pipe described in the utility model, also comprises plain conductor 7, and plain conductor 7 is positioned at any layer of foaming layer 3, heat-fusing glue layer 4, PE band 5.
Further, a kind of intelligent heat preserving pipe described in the utility model, plain conductor 7 is wrapped steel pipe in the shape of a spiral along steel pipe axis or parallels to the axis and is distributed in heat-fusing glue layer 4, plain conductor 7 wire two ends are provided with circuit checker 8, when there is infiltration phenomenon, due to change in resistance, make the curtage detected by circuit checker 8 produce respective change, can determine whether accordingly steel pipe infiltration occurs.
Further, a kind of intelligent heat preserving pipe described in the utility model, plain conductor 7 is wrapped steel pipe in the shape of a spiral along steel pipe axis or parallels to the axis and is distributed in heat-fusing glue layer 4, plain conductor 7 wire two ends are provided with circuit checker 8, plain conductor 7 is parallel discontiguous two wires, if there is infiltration phenomenon, because the water playing conductor effect can by two wires together with formation loop, the circuit checker 8 be then connected in respectively on different metal wire can detect electric current and voltage, can determine whether accordingly to have water leakage.
Further, a kind of intelligent heat preserving pipe described in the utility model, plain conductor 7 is wrapped steel pipe in the shape of a spiral along steel pipe axis or parallels to the axis and is distributed in foaming layer 3 or PE layer 5.
A kind of intelligent heat preserving tube leakage infiltration detecting method, comprises the following steps:
1) current and voltage data of plain conductor 7 two ends circuit checker 8 is recorded;
2) record circuit detection device 8 data variation;
3) meet the potential circuit change judgement causing circuit checker 8 to detect that changes of the whole specific resistance of water according to plain conductor 7 to leak infiltration situation;
4) judge in pipeline, which root steel pipe concrete has water leakage according to circuit checker 8 numbering.
Embodiment 2
As shown in Figure 3-4, embodiment 2 and embodiment 1 distinguish part and are a kind of intelligent heat preserving pipe described in the utility model, also comprise water expandable waterstop 6, water expandable waterstop 6 is wrapped between foaming layer 3 and heat-fusing glue layer 4, because water expandable waterstop 6 has water sorption, therefore can effectively prevent permeable layer from infiltrating further in steel pipe.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (7)
1. an intelligent heat preserving pipe, comprise steel pipe (1), foaming layer (3), PE layer (5), it is characterized in that: also comprise one deck heat-fusing glue layer (4), foaming layer (3) is formed in order to the insulation to steel pipe (1) at the outer spray coating foaming material of described steel pipe (1), described heat-fusing glue layer (4) is wrapped in foaming layer (3) outside of steel pipe (1), PE layer (5) is wrapped in the skin of the heat-fusing glue layer (4) of steel pipe (1), namely steel pipe (1) is followed successively by from inside to outside, foaming layer (3), heat-fusing glue layer (4), PE layer (5), the heat-fusing glue layer (4) of PE layer (5) and foaming layer (3) interlayer serves bonding effect and waterproof action, reduce simultaneously foaming layer (3) and PE layer (5) due to thermal expansion coefficient different and cause the inconsistent additional internal stress caused of expanding with heat and contract with cold.
2. a kind of intelligent heat preserving pipe according to claim 1, it is characterized in that also having FBE (2) between steel pipe (1) and foaming layer (3), FBE (2) is sprayed at steel pipe (1) outer surface in order to improve the corrosion resistance of steel pipe (1).
3. a kind of intelligent heat preserving pipe according to claim 1, characterized by further comprising plain conductor (7), plain conductor (7) is positioned at any layer of foaming layer (3), heat-fusing glue layer (4), PE band (5).
4. a kind of intelligent heat preserving pipe according to claim 1, characterized by further comprising water expandable waterstop (6), water expandable waterstop (6) is wrapped between foaming layer (3) and heat-fusing glue layer (4), because water expandable waterstop (6) has water sorption, therefore can effectively prevent permeable layer from infiltrating further in steel pipe.
5. a kind of intelligent heat preserving pipe according to claim 1, it is characterized in that plain conductor (7) is wrapped steel pipe in the shape of a spiral along steel pipe axis or parallels to the axis is distributed in heat-fusing glue layer (4), plain conductor (7) wire two ends are provided with circuit checker (8), when there is infiltration phenomenon, due to change in resistance, make the curtage detected by circuit checker (8) produce respective change, can determine whether accordingly steel pipe infiltration occurs.
6. a kind of intelligent heat preserving pipe according to claim 1, it is characterized in that plain conductor (7) is wrapped steel pipe in the shape of a spiral along steel pipe axis or parallels to the axis is distributed in heat-fusing glue layer (4), plain conductor (7) wire two ends are provided with circuit checker (8), plain conductor (7) is parallel discontiguous two wires, if there is infiltration phenomenon, because the water playing conductor effect can by two wires together with formation loop, the circuit checker (8) be then connected in respectively on different metal wire can detect electric current and voltage, can determine whether accordingly to have water leakage.
7. a kind of intelligent heat preserving pipe according to claim 5 or 6, is characterized in that plain conductor (7) is wrapped steel pipe in the shape of a spiral along steel pipe axis or parallels to the axis and is distributed in foaming layer (3) or PE layer (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520970902.8U CN205190989U (en) | 2015-11-23 | 2015-11-23 | Intelligence insulating tube |
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CN201520970902.8U CN205190989U (en) | 2015-11-23 | 2015-11-23 | Intelligence insulating tube |
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CN205190989U true CN205190989U (en) | 2016-04-27 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106764118A (en) * | 2015-11-23 | 2017-05-31 | 青岛大仓防腐有限公司 | A kind of intelligent heat preserving pipe |
CN111688178A (en) * | 2020-06-02 | 2020-09-22 | 天华化工机械及自动化研究设计院有限公司 | System and process for forming plastic protective layer by winding after continuous spraying of pipeline heat-insulating layer |
-
2015
- 2015-11-23 CN CN201520970902.8U patent/CN205190989U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106764118A (en) * | 2015-11-23 | 2017-05-31 | 青岛大仓防腐有限公司 | A kind of intelligent heat preserving pipe |
CN111688178A (en) * | 2020-06-02 | 2020-09-22 | 天华化工机械及自动化研究设计院有限公司 | System and process for forming plastic protective layer by winding after continuous spraying of pipeline heat-insulating layer |
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