CN204829296U - Pipeline reveals early warning detecting device - Google Patents
Pipeline reveals early warning detecting device Download PDFInfo
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- CN204829296U CN204829296U CN201520566765.1U CN201520566765U CN204829296U CN 204829296 U CN204829296 U CN 204829296U CN 201520566765 U CN201520566765 U CN 201520566765U CN 204829296 U CN204829296 U CN 204829296U
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- early warning
- pipeline
- detection device
- warning detection
- metal tube
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a pipeline reveals early warning detecting device, pipeline includes the tubular metal resonator the inner wall of tubular metal resonator is provided with ceramic inside lining the outer wall cladding of tubular metal resonator has a heat preservation it leaks the early warning detector to be provided with the pipeline between tubular metal resonator and the heat preservation, pipeline leakage early warning detector passes through the cable and is connected with pipeline leakage early warning detection monitored control system. The utility model discloses a pipeline of tubular metal resonator outer wall setting leaks the early warning detector and carries out real time monitoring to it, and the unusual change that risk factor through pipeline takes place determines the potential safety hazard of its appearance, leaks hidden danger with the pipeline and eliminates in the initial stage to the expansion of avoid accident or further develop realizes comprehensive, the accurate control to the pipeline damage, reaches the purpose of initiative protection.
Description
Technical field
The utility model belongs to pipe leakage detecting technology field, and particularly a kind of conveyance conduit reveals early warning detection device.
Background technique
Current every profession and trade generally adopts Cemented filling powdery medium, such as: pulverized coal channel, aluminium powder pipeline etc.Coal dust pressure due to conveying in coal dust preparation system is higher, 4MPa can be reached, temperature is about 40 ° of C ~ 80 ° C, particle diameter is about 50 μm, in coal dust transmitting procedure, the coal dust of high-pressure delivery rubs repeatedly to tube wall, make the abrasion-proof ceramic lining of the pressure-bearing larger parts such as the elbow of pipeline, threeway, reducing impaired thinning or come off, so that the final breakage of pipeline causes leakage of pulverized coal.And coal dust is combustible substance, Class B fire hazmat, have firing property.Once there is leakage of pulverized coal accident, pulverized coal particle is suspended to air and forms dust, can set off an explosion under the effect of external high temperature, collision, friction, vibration, naked light, electrical spark, the blast produced after blast can make the dust from flying of deposition, causes secondary explosion accident.Not only produce shock wave after coal dust explosion hurt sb.'s feelings and destroy building, produce a large amount of carbon monoxide simultaneously, people is poisoned to death.
The pulverized coal channel that current China generally adopts leaks early warning technology mainly by adopting the mode of artificial ultrasound ripple thickness measuring to realize to equipment pipe, pipe fitting damageable zone.But because the usual caliber of power transportation pipe is larger, and outer wrap thermal insulation layer, can impact choosing of Check point, this detecting method can not guarantee accurate, the complete overall damage situations reflecting pipeline, there is a large amount of detection leakage phenomenon, and due to the existence of undetected phenomenon, cause leakage of pulverized coal accident still to happen occasionally.
Model utility content
Goal of the invention of the present utility model is: for above-mentioned Problems existing, provides one can monitor conveyance conduit tube wall situation of change in real time, to reach the conveyance conduit leakage early warning detection device of early warning, warning object.
The technological scheme of the utility model technology is achieved in that a kind of conveyance conduit reveals early warning detection device, described conveyance conduit comprises metal tube, be provided with ceramic-lined at the inwall of described metal tube, thermal insulation layer is coated with at the outer wall of described metal tube, it is characterized in that: between described metal tube and thermal insulation layer, be provided with pipe leakage early warning detection device, described pipe leakage early warning detection device is connected with pipe leakage early warning detection supervisory system by cable.
Conveyance conduit described in the utility model reveals early warning detection device, and described in it, pipe leakage early warning detection device is arranged in pipeline cracky position.
Conveyance conduit described in the utility model reveals early warning detection device, and described in it, pipe leakage early warning detection device is the temperature sensing optical fiber being arranged in metal tube outer wall.
Conveyance conduit described in the utility model reveals early warning detection device, temperature sensing optical fiber described in it is respectively along the radial and axial layout of metal tube, overall formation matrix type layout structure, the intersection point that the temperature sensing optical fiber of radial arrangement and axial arranged temperature sensing optical fiber are formed is temperature position monitor point.
Conveyance conduit described in the utility model reveals early warning detection device, and temperature sensing optical fiber entirety axial arranged described in it is in continuous print S shape, and the temperature sensing optical fiber of described radial arrangement to be wrapped in continuously on metal tube and axially to extend along metal tube.
The pipe leakage early warning detection device that the utility model is arranged by metal tube outer wall is monitored in real time to it, the ANOMALOUS VARIATIONS occurred by the risk factors of conveyance conduit judges its potential safety hazard occurred, pipe leakage hidden danger is eliminated in initial stage, thus the expansion of Accident prevention or further develop, realize to conveyance conduit damage comprehensive, accurately control, reach the object of active defense.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that the matrix type temperature sensing optical fiber in the utility model on metal tube arranges schematic diagram.
Mark in figure: 1 is metal tube, and 2 is ceramic-lined, and 3 is thermal insulation layer, and 4 is pipe leakage early warning detection device, and 5 is temperature sensing optical fiber, and 6 is temperature position monitor point.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model technology is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of conveyance conduit reveals early warning detection device, described conveyance conduit comprises metal tube 1, the inwall of described metal tube 1 is provided with ceramic-lined 2, thermal insulation layer 3 is coated with at the outer wall of described metal tube 1, pipe leakage early warning detection device 4 is provided with between described metal tube 1 and thermal insulation layer 3, described pipe leakage early warning detection device 4 is arranged in pipeline cracky position, as elbow, reducing, the places such as threeway, described pipe leakage early warning detection device 4 is for being arranged in the temperature sensing optical fiber 5 of metal tube 1 outer wall, described temperature sensing optical fiber 5 is connected with pipe leakage early warning detection supervisory system by cable.
As shown in Figure 2, described temperature sensing optical fiber 5 is respectively along the radial and axial layout of metal tube 1, overall formation matrix type layout structure, the intersection point that temperature sensing optical fiber 5 and the axial arranged temperature sensing optical fiber 5 of radial arrangement are formed is temperature position monitor point 6, wherein said axial arranged temperature sensing optical fiber 5 entirety is in continuous print S shape, the temperature sensing optical fiber 5 of described radial arrangement to be wrapped in continuously on metal tube 1 and axially to extend along metal tube 1, adopt matrix type temperature sensing optical fiber greatly can improve the precision of its measurement, simultaneously, by radial direction, axial arrangement, accurately can orient the situation of change of temperature in a certain some unit time in the scope of being detected, the particular location that pipeline is impaired can be judged accurately.
The utility model carries out real-time monitoring and data capture by the tube wall temperature feature of temperature sensing optical fiber to conveyance conduit, and real time record, analysis, calculating are carried out to the data of its detection, contrast draws pipeline wall thickness change curve, and the object of early warning or warning is reached by correlation curve, effectively utilize active defense technology, to stop a leak hidden danger, realize security of system.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a conveyance conduit reveals early warning detection device, described conveyance conduit comprises metal tube (1), be provided with ceramic-lined (2) at the inwall of described metal tube (1), thermal insulation layer (3) is coated with at the outer wall of described metal tube (1), it is characterized in that: between described metal tube (1) and thermal insulation layer (3), be provided with pipe leakage early warning detection device (4), described pipe leakage early warning detection device (4) is connected with pipe leakage early warning detection supervisory system by cable.
2. conveyance conduit according to claim 1 reveals early warning detection device, it is characterized in that: described pipe leakage early warning detection device (4) is arranged in pipeline cracky position.
3. conveyance conduit according to claim 1 and 2 reveals early warning detection device, it is characterized in that: described pipe leakage early warning detection device (4) is for being arranged in the temperature sensing optical fiber (5) of metal tube (1) outer wall.
4. conveyance conduit according to claim 3 reveals early warning detection device, it is characterized in that: described temperature sensing optical fiber (5) is respectively along the radial and axial layout of metal tube (1), overall formation matrix type layout structure, the intersection point that temperature sensing optical fiber (5) and the axial arranged temperature sensing optical fiber (5) of radial arrangement are formed is temperature position monitor point (6).
5. conveyance conduit according to claim 4 reveals early warning detection device, it is characterized in that: described axial arranged temperature sensing optical fiber (5) entirety is in continuous print S shape, and it is upper and axially extend along metal tube (1) that the temperature sensing optical fiber (5) of described radial arrangement is wrapped in metal tube (1) continuously.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520566765.1U CN204829296U (en) | 2015-07-31 | 2015-07-31 | Pipeline reveals early warning detecting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520566765.1U CN204829296U (en) | 2015-07-31 | 2015-07-31 | Pipeline reveals early warning detecting device |
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CN204829296U true CN204829296U (en) | 2015-12-02 |
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CN201520566765.1U Expired - Fee Related CN204829296U (en) | 2015-07-31 | 2015-07-31 | Pipeline reveals early warning detecting device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108224089A (en) * | 2017-12-08 | 2018-06-29 | 张卫社 | The cylindric load-carrying construction of break-make type explosion early warning detection cable is installed |
CN109519714A (en) * | 2018-11-23 | 2019-03-26 | 重庆大学 | Intelligent pipeline insulating layer with tiny leakage self-diagnostic function |
CN110631968A (en) * | 2019-09-25 | 2019-12-31 | 湖南大学 | Method for tracing coal dust leakage point |
-
2015
- 2015-07-31 CN CN201520566765.1U patent/CN204829296U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108224089A (en) * | 2017-12-08 | 2018-06-29 | 张卫社 | The cylindric load-carrying construction of break-make type explosion early warning detection cable is installed |
CN109519714A (en) * | 2018-11-23 | 2019-03-26 | 重庆大学 | Intelligent pipeline insulating layer with tiny leakage self-diagnostic function |
CN110631968A (en) * | 2019-09-25 | 2019-12-31 | 湖南大学 | Method for tracing coal dust leakage point |
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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 |
Granted publication date: 20151202 Termination date: 20200731 |
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CF01 | Termination of patent right due to non-payment of annual fee |