CN205538772U - Pipe insulating layer degradation analytical equipment - Google Patents
Pipe insulating layer degradation analytical equipment Download PDFInfo
- Publication number
- CN205538772U CN205538772U CN201620084677.2U CN201620084677U CN205538772U CN 205538772 U CN205538772 U CN 205538772U CN 201620084677 U CN201620084677 U CN 201620084677U CN 205538772 U CN205538772 U CN 205538772U
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- China
- Prior art keywords
- temperature sensing
- insulating layer
- pipe insulating
- temperature
- optical fiber
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Abstract
The utility model discloses a pipe insulating layer degradation analytical equipment, include: temperature sensing device, communication sensing fiber and monitoring devices, temperature sensing device evenly sets up along pipeline length direction to inlayer and skin at same cross section set up at least one respectively, communication sensing fiber and temperature sensing device are connected to with the temperature signal who detects send to monitoring devices. The utility model provides a pipe insulating layer degradation analytical equipment adopts temperature sensing fiber as measuring the temperature sensor that heat preservation ectonexine temperature difference changes, and temperature sensing fiber flexibility is good, corrosion -resistant, easy installation, long service life around the heat conveying pipeline heat preservation. Furthermore, the utility model discloses with temperature sensing fiber keep warm the in situ outer even, correspond and set up, the temperature difference of gathering is very accurate, so monitoring devices can accurately divide the quality of the appearing pipe insulating layer circumstances according to the change of ectonexine temperature difference.
Description
Technical field
The utility model relates to heat supply pipeline deterioration analysis device, particularly relates to a kind of pipe insulating layer deterioration analysis device.
Background technology
Distance heat supply (water, vapour medium) pipeline and pipe network, majority needs to use the heat-insulation layer of the materials such as foamed plastics.In pipe insulating layer manufacturing process, due to by raw material, weather, operating condition, mechanical breakdown and some think that factor is affected, it may appear that the defects such as cavity, crackle, and passage in time, degradation trend gradually expands.The heat insulation effect of pipeline, how for energy-saving and cost-reducing, tapped the potential and upgrade technologically, is increased economic efficiency and have great importance.For ensureing that these pipelines have good heat insulation effect, need a kind of monitoring and analyze the device of heat-insulation layer quality.
Traditionally, conventional thermocouple, thermistor, pyroelectric detector equitemperature sensor are as temperature detection analytical equipment, changed by the temperature difference inside and outside measurement heat-insulation layer thus speculate heat-insulation layer mass change, but the certainty of measurement of these temperature sensors is the highest, and in the environment of around heat supply pipeline, epidemic disaster is the highest, ordinary temp sensor is easily subject to corrosion, reduces its accuracy further, and the most traditional pipe insulating layer deterioration analysis measurement device precision is poor.
Utility model content
In order to solve, pipe insulating layer deterioration analysis measurement device precision in prior art is poor and measurement is apart from limited problem, the utility model provides a kind of pipe insulating layer deterioration analysis device, the pipe insulating layer deterioration analysis device that the utility model proposes uses temperature sensing optical fiber as the temperature sensor measuring the change of heat-insulation layer ectonexine temperature difference, and temperature sensing optical fiber is uniformly arranged, certainty of measurement is the highest.
The pipe insulating layer deterioration analysis device that the utility model proposes includes: temperature sensing device, communication sensor fibre and monitoring device, described temperature sensing device is arranged along pipe lengths continuous uniform, and it is respectively provided with at least one at internal layer and the outer layer of same cross section, described communication sensor fibre is connected with temperature sensing device, and sends the temperature signal of detection to described monitoring device.
Preferably, described temperature sensing device uses temperature sensing optical fiber.
Further, described temperature sensing device is spaced 90 ° on heat-insulation layer cross section, or 60 °, or 45 ° are uniformly arranged.
Preferably for the valve in pipeline, or intermediate equipment, described temperature sensing optical fiber is all arranged in uniform winding mode at the inside and outside layer of heat-insulation layer.
Further, described monitoring device includes display screen and/or an alarm.
Further, temperature sensing optical fiber pipe insulating layer outer layer arranged is fixed on pipe insulating layer by spaced grooved ring.
Further, the spacing distance of grooved ring is 0.4m to 1.0m, and described grooved ring is a kind of metal pipe clamp.
The pipe insulating layer deterioration analysis device that the utility model proposes uses temperature sensing optical fiber as the temperature sensor measuring the change of heat-insulation layer ectonexine temperature difference, temperature sensing optical fiber is flexible, corrosion-resistant, around heat supply pipeline heat-insulation layer easily install, service life long.In addition, the utility model by temperature sensing optical fiber at heat-insulation layer ectonexine continuously, uniformly, be correspondingly arranged, the temperature gap that can record the omnidistance temperature gap change of pipeline and collect is exactly accurate, and therefore monitoring device can analyze the quality condition of pipe insulating layer exactly according to the change of ectonexine temperature gap.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model one embodiment;
Fig. 2 is the front view of temperature sensing optical fiber between Fig. 1 two grooved ring;
Fig. 3 is the temperature sensing optical fiber installation diagram at valve location.
Detailed description of the invention
With specific embodiment, the utility model is further illustrated below in conjunction with the accompanying drawings.
The utility model temperature sensing device is correspondingly arranged at heat-insulation layer ectonexine, size according to defeated hot pipeline cross-sectional area determines the quantity of temperature sensing device, a temperature sensing optical fiber can be respectively provided with for inside and outside the defeated hot pipeline heat-insulation layer that cross-sectional area is less, but under normal circumstances, for ensureing thermometric accuracy, need to be spaced 90 ° on heat-insulation layer cross section, or 60 °, or 45 ° be uniformly arranged temperature sensing optical fiber, i.e. ectonexine is uniformly arranged 4 respectively, 6, 8 temperature sensing optical fibers, and when defeated hot pipeline cross-sectional area is the biggest, can also suitably increase the quantity of temperature sensing optical fiber to obtain higher accuracy.
Now it is uniformly distributed with temperature sensing optical fiber, as a example by being spaced 90 °, the utility model is explained.As depicted in figs. 1 and 2, the present embodiment includes: 1,4 internal layer temperature sensing optical fibers 2 of 4 exospheric temperature sensor fibres, communication sensor fibre 3 and monitoring device 4.Inside and outside layer temperature sensing optical fiber is laid in 0 ° of heat-insulation layer inside and outside wall, 90 °, 180 ° and the position of 270 ° respectively, and fixed by spaced grooved ring 5, the spacing distance of grooved ring is 0.4m to 1.0m, in the present embodiment, spacing distance is set to 0.4m, grooved ring for being fixed on the inside and outside layer of heat-insulation layer by temperature sensing optical fiber, and grooved ring is a kind of metal pipe clamp.Inside and outside layer temperature sensing optical fiber is for gathering the temperature data of heat-insulation layer ectonexine, the fibre-optic terminus of inside and outside layer temperature sensing optical fiber side is connected with communication sensor fibre 3 one end, communication sensor fibre 3 other end connects monitoring device 4, is contrasted by the temperature gap that ectonexine temperature gap incoming for temperature sensing optical fiber and pipe insulating layer lay the temperature sensing optical fiber initial stage.Monitoring device includes: display screen and alarm.Temperature sensing optical fiber records in T1(on the diverse location on cross section respectively) and T1(outer), in T2() and T2(outer), in T3() and T3(is outward), in T4() and T4(outer), thus be calculated heat-insulation layer temperature approach △ T1(n), △ T2(n), △ T3(n) and △ T4(n), n=1,2,3 ..., the heat-insulation layer internal-external temperature difference value of optional position random time is contrasted by monitoring device with original heat-insulation layer internal-external temperature difference value, when △ T(original value)-△ T(currency) >=15 DEG C time, trigger alarm equipment alarm.In the present embodiment, temperature difference alarming value is set to 15 DEG C is the requirement live according to the present embodiment engineering, for the requirement of different operating modes, can do respective change.
As it is shown on figure 3, the valve on defeated hot pipeline, or the position such as intermediate equipment, the temperature sensing optical fiber of reserved certain length, temperature sensing optical fiber is arranged in uniform winding mode in heat-insulation layer medial and lateral.
These descriptions are intended merely to explain principle of the present utility model, and can not be construed to the restriction to the utility model protection domain by any way.Based on explanation herein, those skilled in the art need not pay performing creative labour can associate other detailed description of the invention of the present utility model, within these modes fall within protection domain of the present utility model.
Claims (7)
1. a pipe insulating layer deterioration analysis device, including: temperature sensing device, communication sensor fibre and monitoring device, it is characterized in that, described temperature sensing device is uniformly arranged along pipe lengths, and it is respectively provided with at least one at internal layer and the outer layer of same cross section, described communication sensor fibre is connected with temperature sensing device, and sends the temperature signal of detection to described monitoring device.
2. pipe insulating layer deterioration analysis device as claimed in claim 1, it is characterised in that described temperature sensing device uses temperature sensing optical fiber.
3. pipe insulating layer deterioration analysis device as claimed in claim 1 or 2, it is characterised in that described temperature sensing device is spaced 90 ° on heat-insulation layer cross section, or 60 °, or 45 ° be uniformly arranged.
4. pipe insulating layer deterioration analysis device as claimed in claim 1, it is characterised in that for the valve in pipeline, or intermediate equipment, described temperature sensing optical fiber is all arranged in uniform winding mode at the inside and outside layer of heat-insulation layer.
5. pipe insulating layer deterioration analysis device as claimed in claim 1, it is characterised in that described monitoring device includes display screen and/or an alarm.
6. pipe insulating layer deterioration analysis device as claimed in claim 1, it is characterised in that the temperature sensing optical fiber arranged on pipe insulating layer outer layer is fixed on pipe insulating layer by spaced grooved ring.
7. pipe insulating layer deterioration analysis device as claimed in claim 6, it is characterised in that the spacing distance of described grooved ring is 0.4m to 1.0m.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620084677.2U CN205538772U (en) | 2016-01-28 | 2016-01-28 | Pipe insulating layer degradation analytical equipment |
Applications Claiming Priority (1)
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CN201620084677.2U CN205538772U (en) | 2016-01-28 | 2016-01-28 | Pipe insulating layer degradation analytical equipment |
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CN205538772U true CN205538772U (en) | 2016-08-31 |
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CN201620084677.2U Expired - Fee Related CN205538772U (en) | 2016-01-28 | 2016-01-28 | Pipe insulating layer degradation analytical equipment |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108331974A (en) * | 2018-04-21 | 2018-07-27 | 江苏耀宇新型管业有限公司 | Nano combined heat insulation felt conduit saddle with temperature monitoring device |
CN110050151A (en) * | 2016-12-12 | 2019-07-23 | Ge 油气英国有限公司 | Detection device and method |
-
2016
- 2016-01-28 CN CN201620084677.2U patent/CN205538772U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110050151A (en) * | 2016-12-12 | 2019-07-23 | Ge 油气英国有限公司 | Detection device and method |
US11460126B2 (en) | 2016-12-12 | 2022-10-04 | Ge Oil 7 Gas Uk Limited | Detecting apparatus and method |
CN108331974A (en) * | 2018-04-21 | 2018-07-27 | 江苏耀宇新型管业有限公司 | Nano combined heat insulation felt conduit saddle with temperature monitoring device |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
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: 20160831 Termination date: 20190128 |