CN211976562U - Device for monitoring long heat transmission network directly-buried steam heat-preservation pipe - Google Patents
Device for monitoring long heat transmission network directly-buried steam heat-preservation pipe Download PDFInfo
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- CN211976562U CN211976562U CN202020480016.8U CN202020480016U CN211976562U CN 211976562 U CN211976562 U CN 211976562U CN 202020480016 U CN202020480016 U CN 202020480016U CN 211976562 U CN211976562 U CN 211976562U
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Abstract
The utility model discloses a device for monitoring a long heat transmission network direct-buried steam heat preservation pipe, which comprises a working pipe, a heat preservation layer and an outer protective pipe which are arranged in sequence from inside to outside, wherein the outer protective pipe is provided with a pipe body in an outward extending way, a temperature sensor is arranged in the pipe body, and the temperature sensor is in contact with the outer surface of the heat preservation layer in the outer protective pipe through the pipe body and the outer protective pipe; the first interface of the calorimeter is connected with a temperature sensor, the second interface of the calorimeter is connected with a pressure sensor, the temperature sensor and the pressure sensor are both connected with a controller, and the controller monitors the temperature collected by the temperature sensor and the pressure collected by the pressure sensor in real time. The utility model can realize on-line leakage detection and positioning by collecting data in real time; the device of the utility model is convenient for field application, and the installation position can be adjusted at any time according to the field condition; meanwhile, the leakage on-line detection is realized, and meanwhile, the alarm function is realized, so that the method has the advantages of rapidness, convenience, high use and cost performance and the like, and can be popularized and applied.
Description
Technical Field
The utility model belongs to the technical field of steam leakage detects, in particular to device of long heat transmission network direct-burried steam insulating tube monitoring.
Background
With the vigorous popularization of the country for cogeneration and centralized heat supply, the steam pipeline of the long heat transmission network has become a commonly adopted mode in the centralized heat supply of cities due to the advantages of small energy consumption, low heat loss pressure, benefit for beautifying the appearance of the cities and the like. The laying of the long heat transmission network steam pipeline is divided into underground burying and overhead laying, wherein leakage points of the overhead pipeline are easy to find and repair, but the application of the overhead pipeline is limited to a certain extent because the leakage points obstruct traffic and influence market appearance, and the steam pipeline in most regions adopts an underground burying method. For various reasons, the buried pipeline is frequently leaked, thereby causing serious energy waste; meanwhile, when the underground pipeline leaks, the leakage point is hidden and is not easy to find, the excavation difficulty is high, the leakage cannot be maintained, the leakage point is continuously enlarged, and the like, so that serious economic loss is caused.
At present, methods for detecting leakage of underground steam pipelines are many and have characteristics and limitations.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of underground steam pipeline leak detection among the prior art, the utility model aims to provide a device of long defeated heat supply network direct-burried steam insulating pipe monitoring, the device can be fast, safe, reliable carry out the leak detection of direct-burried steam pipe, will have the real-time supervision effect that is showing to pipeline structural integrity.
In order to achieve the above object, the utility model adopts the following technical scheme:
a device for monitoring a long heat transmission network directly-buried steam heat-preservation pipe comprises a working pipe 1, a heat-preservation layer 2 and an outer protection pipe 3 which are sequentially arranged from inside to outside, wherein a pipe body 4 extends outwards from the outer protection pipe 3, a temperature sensor 5 is arranged in the pipe body 4, and the temperature sensor 5 is in contact with the outer surface of the heat-preservation layer 2 in the outer protection pipe 3 through the pipe body 4 and the outer protection pipe 3; the first interface 61 of the calorimeter 6 is connected with the temperature sensor 5, the second interface 62 of the calorimeter 6 is connected with the pressure sensor 7, the temperature sensor 5 and the pressure sensor 7 are both connected with the controller 8, and the controller 8 monitors the temperature collected by the temperature sensor 5 and the pressure collected by the pressure sensor 7 in real time.
Further, the heat preservation layer 2 comprises a heat preservation material layer 21 and an aluminum foil reflection layer 22 which are attached in sequence.
Further, when the gross thickness less than or equal to 40mm of heat preservation 2, heat preservation 2 is including the one deck insulating material layer 21 and the one deck aluminium foil reflection stratum 22 of laminating in proper order, insulating material layer 21 is located the inlayer, and aluminium foil reflection stratum 22 is located the skin, and aluminium foil reflection stratum 22 laminates with the inner wall of outer pillar 3 each other to contact with temperature sensor 5.
Further, when the total thickness of the heat preservation layer 2 exceeds 40mm, the heat preservation layer 2 comprises a plurality of heat preservation material layers 21 and a plurality of aluminum foil reflection layers 22, the plurality of heat preservation material layers 21 and the plurality of aluminum foil reflection layers 22 are sequentially stacked, the aluminum foil reflection layers 22 located on the outermost layer are mutually attached to the inner wall of the outer protection pipe 3, and are in contact with the temperature sensor 5.
Further, the thermal insulation material layer 21 is aerogel nanometer, aluminum silicate needle-punched blanket or high-temperature glass wool.
Further, the outer protective pipe 3 and the working pipe 1 are both seamless fluid steel pipes or submerged arc welding spiral steel pipes.
Further, the thickness of the outer protecting pipe 3 is 8-10 mm.
Further, the pipe body 4 is a moisture discharge pipe or a drain pipe.
Further, controller 8 includes display 81, navigation version 82, alarm 83, interface 84 for the temperature sensor, interface 85, communication interface 86 and power source 87 for the pressure sensor, navigation version 82 connects display 81 and alarm 83 respectively, navigation version 82 passes through interface 84 for the temperature sensor and connects temperature sensor 5, and navigation version 82 passes through interface 85 for the pressure sensor and connects pressure sensor 7, and navigation version 82 passes through communication interface 86 and connects the network, and navigation version 82 passes through power source 87 external power supply.
Further, the model of display 81 is MIK-1100 digital display table, the model of navigation version is FancyAGV, the model of alarm 83 is JZJ-6004.
Preferably, the display 81 adopts an MIK-1100 digital display meter produced by Hangzhou American control automation technology, Inc., the navigation edition 82 adopts FancyAGV series products produced by Tianjin Jiachuang technology, Inc., and the alarm 83 adopts a JZJ-6004 model alarm produced by Shenzhen Jiazhiji electronic technology, Inc. The display 81 is used for displaying real-time curves of steam temperature and pressure and the position of leakage; the alarm 83 is used for giving an alarm when steam leaks.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model can realize on-line leakage detection and positioning by collecting data in real time; the device of the utility model is convenient for field application, and the installation position can be adjusted at any time according to the field condition; meanwhile, the leakage on-line detection is realized, and meanwhile, the alarm function is realized, so that the method has the advantages of rapidness, convenience, high use and cost performance and the like, and can be popularized and applied.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the arrangement of the heat-insulating layer in the present invention;
FIG. 3 is a schematic structural view of a heat meter according to the present invention;
fig. 4 is a schematic structural diagram of the controller of the present invention.
Wherein: 1-a working pipe, 2-a heat insulation layer, 21-a heat insulation material layer, 22-an aluminum foil reflection layer, 3-an outer protection pipe, 4-a pipe body, 5-a temperature sensor, 6-a calorimeter, 61-a first interface, 62-a second interface, 7-a pressure sensor, 8-a controller, 81-a display, 82-a navigation board, 83-an alarm, 84-an interface for a temperature sensor, 85-an interface for a pressure sensor, 86-a communication interface and 87-a power supply interface.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1-4, a device for monitoring a long heat transmission network directly-buried steam heat-preservation pipe comprises a working pipe 1, a heat-preservation layer 2 and an outer protection pipe 3 which are sequentially arranged from inside to outside, wherein a pipe body 4 extends outwards from the outer protection pipe 3, a temperature sensor 5 is arranged in the pipe body 4, and the temperature sensor 5 is in contact with the outer surface of the heat-preservation layer 2 in the outer protection pipe 3 through the pipe body 4 and the outer protection pipe 3; the first interface 61 of the calorimeter 6 is connected with the temperature sensor 5, the second interface 62 of the calorimeter 6 is connected with the pressure sensor 7, the temperature sensor 5 and the pressure sensor 7 are both connected with the controller 8, and the controller 8 monitors the temperature collected by the temperature sensor 5 and the pressure collected by the pressure sensor 7 in real time.
As a preferable scheme, the heat-insulating layer 2 comprises a heat-insulating material layer 21 and an aluminum foil reflecting layer 22 which are sequentially attached; when the gross thickness less than or equal to 40mm of heat preservation 2, heat preservation 2 is including the one deck insulation material layer 21 and the one deck aluminium foil reflection stratum 22 of laminating in proper order, insulation material layer 21 is located the inlayer, and aluminium foil reflection stratum 22 is located the skin, and aluminium foil reflection stratum 22 laminates with the inner wall of outer pillar 3 each other to contact with temperature sensor 5.
As another preferred scheme, when the total thickness of the insulating layer 2 exceeds 40mm, the insulating layer 2 includes a plurality of insulating material layers 21 and a plurality of aluminum foil reflecting layers 22, the plurality of insulating material layers 21 and the plurality of aluminum foil reflecting layers 22 are sequentially stacked, and the aluminum foil reflecting layer 22 located on the outermost layer is mutually attached to the inner wall of the outer protective pipe 3 and is in contact with the temperature sensor 5.
Preferably, the thermal insulation material layer 21 is aerogel nanometer, aluminum silicate needle-punched blanket or high-temperature glass wool. Preferably, the outer protective pipe 3 and the working pipe 1 are both seamless fluid steel pipes or submerged arc welding spiral steel pipes. Preferably, the thickness of the outer protective pipe 3 is 8-10 mm.
As another preferable scheme, preferably, the pipe body 4 is a moisture discharge pipe or a drain pipe, one end of the pipe body 4 is connected to the outer protection pipe 3 and is communicated with the insulating layer 2, the other end of the pipe body 4 is plugged by the first connector 61 of the calorimeter 6, the temperature sensor 5 is arranged in the pipe body 4, one end of the temperature sensor 5 contacts the outer wall of the insulating layer 2 in the outer protection pipe 3, the other end of the temperature sensor 5 is connected with the first connector 61 of the calorimeter 6, the specific structure of the first connector 61 is shown in the right side of fig. 3, the end of the first connector 61 is provided with a connector connected with the temperature sensor 5, and a sealing ring is arranged on the periphery of the connector and is used for plugging the pipe body 4.
As another preferable scheme, the controller 8 includes a display 81, a navigation board 82, an alarm 83, an interface 84 for a temperature sensor, an interface 85 for a pressure sensor, a communication interface 86, and a power interface 87, the navigation board 82 is respectively connected to the display 81 and the alarm 83, the navigation board 82 is connected to the temperature sensor 5 through the interface 84 for the temperature sensor, the navigation board 82 is connected to the pressure sensor 7 through the interface 85 for the pressure sensor, the navigation board 82 is connected to the network through the communication interface 86, and the navigation board 82 is externally connected to the power supply through the power interface 87.
Specifically, the display 81 adopts an MIK-1100 digital display meter produced by Hangzhou American control automation technology, Inc., the navigation edition 82 adopts FancyAGV series products produced by Tianjin Jiachuang technology, Inc., and the alarm 83 adopts a JZJ-6004 model alarm produced by Shenzhen Jiazhiji electronic technology, Inc. The hardware is purchased in the market, and the corresponding functions can be directly realized by mutual connection, and further, the display 81 is used for displaying real-time curves of the steam temperature and the steam pressure and the leakage position; the alarm 83 is used for giving an alarm when steam leaks.
The principle of the utility model is that firstly, the temperature of the steam is higher, so that whether the steam leaks can be judged through temperature detection, and secondly, if the steam leaks, certain leakage pressure can be generated, so that the utility model adopts the temperature and pressure detection to detect whether the steam leaks; specifically, if steam leakage occurs, the temperature and pressure signals collected by the temperature sensor 5 and the pressure of the pressure sensor 7 change, the temperature and pressure signals are transmitted to the navigation board 82, the navigation board 82 transmits the signals to the display 81 for display, and if the temperature and pressure signals are abnormal, the navigation board 82 transmits the signals to the alarm 83 and the alarm 83 gives an alarm.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a device of long heat transfer network direct-burried steam insulating tube monitoring which characterized in that: the heat-insulation pipe comprises a working pipe (1), a heat-insulation layer (2) and an outer protection pipe (3) which are sequentially arranged from inside to outside, wherein a pipe body (4) extends outwards from the outer protection pipe (3), a temperature sensor (5) is arranged in the pipe body (4), and the temperature sensor (5) is in contact with the outer surface of the heat-insulation layer (2) in the outer protection pipe (3) through the pipe body (4) and the outer protection pipe (3); a first interface (61) of the calorimeter (6) is connected with the temperature sensor (5), a second interface (62) of the calorimeter (6) is connected with the pressure sensor (7), and the temperature sensor (5) and the pressure sensor (7) are both connected with the controller (8).
2. The device for monitoring the long heat transfer network direct-buried steam insulation pipe according to claim 1, characterized in that: the heat preservation layer (2) comprises a heat preservation material layer (21) and an aluminum foil reflection layer (22) which are attached in sequence.
3. The device for monitoring the long heat transfer network direct-buried steam insulation pipe according to claim 2, characterized in that: when the gross thickness of heat preservation (2) is less than or equal to 40mm, heat preservation (2) are including one deck insulating material layer (21) and one deck aluminium foil reflection stratum (22) of laminating in proper order, insulating material layer (21) are located the inlayer, and aluminium foil reflection stratum (22) are located the skin, and aluminium foil reflection stratum (22) laminate each other with the inner wall of outer pillar (3) to contact with temperature sensor (5).
4. The device for monitoring the long heat transfer network direct-buried steam insulation pipe according to claim 2, characterized in that: when the total thickness of heat preservation (2) exceeded 40mm, heat preservation (2) included a plurality of layers of insulating material layer (21) and a plurality of layers of aluminium foil reflection stratum (22), and a plurality of layers of insulating material layer (21) and a plurality of layers of aluminium foil reflection stratum (22) superpose the setting in proper order, lie in that outermost aluminium foil reflection stratum (22) laminates with the inner wall of outer pillar (3) each other to contact with temperature sensor (5).
5. The device for monitoring the long heat transfer network direct-buried steam insulated pipe according to any one of claims 2 to 4, characterized in that: the heat insulation material layer (21) is aerogel nanometer, aluminum silicate needle-punched blanket or high-temperature glass wool.
6. The device for monitoring the long heat transfer network direct-buried steam insulation pipe according to claim 1, characterized in that: the outer protecting pipe (3) and the working pipe (1) are both seamless fluid steel pipes or submerged arc welding spiral steel pipes.
7. The device for monitoring the long heat transfer network direct-buried steam insulation pipe according to claim 1, characterized in that: the thickness of the outer protecting pipe (3) is 8-10 mm.
8. The device for monitoring the long heat transfer network direct-buried steam insulation pipe according to claim 1, characterized in that: the pipe body (4) is a moisture discharge pipe or a drain pipe.
9. The device for monitoring the long heat transfer network direct-buried steam insulation pipe according to claim 1, characterized in that: controller (8) are including display (81), navigation version (82), alarm (83), interface (84), for pressure sensor interface (85), communication interface (86) and power source (87) for the temperature sensor, display (81) and alarm (83) are connected respectively to navigation version (82), temperature sensor (5) are connected through interface (84) for the temperature sensor in navigation version (82), and pressure sensor (7) are connected through interface (85) for the pressure sensor in navigation version (82), and communication interface (86) connecting network is passed through in navigation version (82), and power source (87) external power source is passed through in navigation version (82).
10. The device for monitoring the long heat transfer network direct-buried steam insulation pipe according to claim 9, characterized in that: the model of display (81) is MIK-1100 digital display table, the model of navigation version (82) is FancyAGV, the model of alarm (83) is JZJ-6004.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020480016.8U CN211976562U (en) | 2020-04-03 | 2020-04-03 | Device for monitoring long heat transmission network directly-buried steam heat-preservation pipe |
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| CN202020480016.8U CN211976562U (en) | 2020-04-03 | 2020-04-03 | Device for monitoring long heat transmission network directly-buried steam heat-preservation pipe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639207A (en) * | 2021-10-13 | 2021-11-12 | 海门市晨光照明电器有限公司 | Buried heat-insulating pipeline convenient to detect and detection method thereof |
| CN114294566A (en) * | 2021-12-27 | 2022-04-08 | 南京苏夏设计集团股份有限公司 | Ultra-low load safe operation system of long-distance pipeline network and operation method thereof |
| CN116066764A (en) * | 2023-02-22 | 2023-05-05 | 河北君业科技股份有限公司 | Leakage detection and positioning method for thermal pipeline |
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2020
- 2020-04-03 CN CN202020480016.8U patent/CN211976562U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639207A (en) * | 2021-10-13 | 2021-11-12 | 海门市晨光照明电器有限公司 | Buried heat-insulating pipeline convenient to detect and detection method thereof |
| CN113639207B (en) * | 2021-10-13 | 2021-12-21 | 海门市晨光照明电器有限公司 | Buried heat-insulating pipeline convenient to detect and detection method thereof |
| CN114294566A (en) * | 2021-12-27 | 2022-04-08 | 南京苏夏设计集团股份有限公司 | Ultra-low load safe operation system of long-distance pipeline network and operation method thereof |
| CN116066764A (en) * | 2023-02-22 | 2023-05-05 | 河北君业科技股份有限公司 | Leakage detection and positioning method for thermal pipeline |
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