CN214535725U - Pipeline for conveying flammable and combustible fluid medium combined with DTS system - Google Patents

Pipeline for conveying flammable and combustible fluid medium combined with DTS system Download PDF

Info

Publication number
CN214535725U
CN214535725U CN202022057422.6U CN202022057422U CN214535725U CN 214535725 U CN214535725 U CN 214535725U CN 202022057422 U CN202022057422 U CN 202022057422U CN 214535725 U CN214535725 U CN 214535725U
Authority
CN
China
Prior art keywords
pipeline
dts system
temperature measurement
optical fiber
conduit
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.)
Expired - Fee Related
Application number
CN202022057422.6U
Other languages
Chinese (zh)
Inventor
张声振
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202022057422.6U priority Critical patent/CN214535725U/en
Application granted granted Critical
Publication of CN214535725U publication Critical patent/CN214535725U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The utility model relates to a combine pipeline of transport inflammable and explosive fluid medium of DTS system, including the working tube, the working tube outside is connected with the outer tube through the vacuum layer, be provided with the threading pipe in the vacuum layer, interior temperature measurement optic fibre of wearing, temperature measurement optic fibre is through setting up in the vacuum layer threading pipe along pipeline axial direction, the ring type cuts off the vacuum cavity axial of baffle with inside and outside intertube and cuts off the formation segmentation temperature measurement region according to the certain distance, the coating has the chemical reaction layer on the threading pipe. Has the advantages that: this type pipeline passes through configuration optimization design and combines with DTS monitoring system, has realized the function of this type pipeline inside and outside pipe leak source location, because the pipeline adopts bilayer structure, can provide effectual buffering safety barrier to the pipeline leakage, avoids the serious incident emergence that can not only maintain the loss and probably lead to from this bringing in the time, and it has certain heat preservation function and is suitable for area use under the cold condition simultaneously.

Description

Pipeline for conveying flammable and combustible fluid medium combined with DTS system
Technical Field
The utility model relates to a pipeline monitoring devices technical field, concretely relates to combine pipeline of DTS system's transport flammable and combustible fluid medium.
Background
A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc. Generally, a fluid is pressurized by a blower, a compressor, a pump, a boiler, etc., and then flows from a high pressure portion to a low pressure portion of a pipe, or is transported by the pressure or gravity of the fluid itself. The pipeline has wide application range, is mainly used in water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas transmission, agricultural irrigation, hydraulic engineering and various industrial devices, and has great significance for the safety and the economical efficiency of the normal transportation of fluid in the pipeline and the real-time leakage monitoring of the pipeline for transmitting flammable and explosive fluid media.
However, once leakage occurs in the existing pipeline, the leakage point is not easy to find out, a large safety accident can be caused, the overhauling operation is also inconvenient, the subsequent and timely maintenance operation and a large potential safety hazard cannot be carried out, meanwhile, the structural part in the pipeline is single, the heat insulation performance is poor, and when the external temperature changes too much, the normal conveying operation of the fluid can also be influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a monitoring sensitivity and positioning accuracy are high, the security performance is good, be convenient for install maintenance work's combination DTS system possesses the transport flammable and combustible fluid medium pipeline of monitoring pipeline leakage function, is realized through following scheme.
In order to realize the above purpose, the utility model discloses a technical scheme be: a pipeline which is combined with a DTS system and has the function of monitoring pipeline leakage and is used for conveying flammable and combustible fluid media comprises a working pipe, wherein the edge of the outer wall of the working pipe is connected with an outer protective sleeve through a vacuum layer; the temperature measurement system is characterized in that a threading guide pipe is preset in the vacuum layer, a reaction layer is coated on the surface of the threading guide pipe, a temperature measurement area is arranged on the threading guide pipe, temperature measurement optical fibers in the temperature measurement area are connected to a DTS system host, the DTS system host comprises an optical fiber sensing analyzer connected with the temperature measurement optical fibers, the output end of the optical fiber sensing analyzer is respectively connected with a liquid crystal display, a remote control end, a short message alarm or an audible and visual alarm, and the optical fiber sensing analyzer is used for collecting optical signals and converting the optical signals into temperature signals.
Furthermore, one end of the optical fiber sensing analyzer is provided with a pipeline channel connected with the temperature measuring optical fiber.
Furthermore, the annular partition baffle partitions the vacuum cavity between the inner pipe and the outer pipe in the axial direction at a certain distance.
Furthermore, the optical fiber sensing analyzer is provided with a distance sensor connected with a short message alarm or an audible and visual alarm.
The technical effects of the utility model reside in that:
the pipeline is combined with a DTS monitoring system through structure optimization design, the function of real-time monitoring and positioning of the leakage point of the pipeline is achieved, meanwhile, due to the fact that the pipeline is of a double-layer structure, an effective buffering safety barrier can be provided for pipeline leakage, and the problems that maintenance and damage cannot be carried out in a timely mode and serious safety accidents are possibly caused are avoided.
Secondly, the heat-insulating material has a certain heat-insulating function and can be better suitable for being used under the condition of cold climate.
And the host of the DTS system can contain 8 channels at most, can monitor 8 pipelines in real time simultaneously, has the longest monitoring distance of about 10km for one pipeline, and can expand networking.
Drawings
Fig. 1 is a schematic front view of a cross-sectional view of a pipeline for conveying flammable and combustible fluid media, which is provided with a function of monitoring pipeline leakage and combined with a DTS system according to the present invention;
fig. 2 is a right-side view schematic sectional view of a pipeline for conveying flammable and combustible fluid media, which is provided with a function of monitoring pipeline leakage and combined with a DTS system according to the present invention;
fig. 3 is a schematic diagram of the DTS system host connection of the present invention.
Reference numerals: 1-a working pipe; 2-vacuum layer; 3-outer sleeve; 4-threading the conduit; 5-temperature measuring optical fiber; 6-reaction coating; 7-temperature measurement area; 8-ring-shaped partition baffle; 9-outer sleeve anticorrosive coating; 10-DTS system host.
Detailed Description
Referring to the attached drawings 1-3, a pipeline for conveying inflammable and explosive media, which combines a DTS system and has a function of monitoring pipeline leakage, comprises a working pipe 1, wherein the edge of the outer wall of the working pipe 1 is connected with an outer sleeve 3 through a vacuum layer 2, the working pipe 1 is provided with a threading pipe 4 on the vacuum layer along the axial direction, the outer surface of the threading pipe 4 is coated with a reaction coating 6 which can react with the media conveyed by the working pipe and the underground water leaked due to the damage of the outer sleeve to generate temperature change, a temperature measuring optical fiber 5 penetrates through the threading pipe 4, the temperature measuring optical fiber 5 passes through a temperature measuring area 7 along the axial direction of the working pipe 1, the temperature measuring optical fiber in the temperature measuring area 7 is connected to a DTS system host 10, a ring-shaped partition baffle 8 partitions the axial direction of a vacuum cavity 2 between an inner pipe and an outer pipe at a certain distance, the DTS system host 9 comprises an optical fiber sensing analyzer connected with the temperature measuring optical fiber, the output end of the optical fiber sensing analyzer is connected with a liquid crystal display screen, a remote control end, a short message alarm and an audible and visual alarm respectively, and the optical fiber sensing analyzer is used for collecting optical signals and converting the optical signals into temperature signals.
The specific embodiment of the scheme is that one end of the optical fiber sensing analyzer is provided with a pipeline channel connected with the temperature measuring optical fiber 5.
The specific embodiment of the scheme is that when the working pipe 1 or the outer sleeve 3 is damaged to cause leakage of medium or underground water, the medium or the underground water diffuses to the nearby threading guide pipe 4 in the vacuum layer 2, and chemically reacts with the reaction coating 6 covered on the surface of the vacuum layer to generate temperature change, and the temperature change is detected through the temperature measuring optical fiber 5 of the temperature measuring area 7 and is transmitted to the DTS system host 10.
The specific embodiment of the scheme is that an optical fiber sensing analyzer in a DTS system host 10 is used for collecting optical signals, converting the optical signals into temperature signals, processing data and displaying the temperature signals through a display screen, when the data or the change rate of the data exceeds a certain threshold value, an alarm function can be timely realized through short messages or sound and light, and the system sends out an alarm prompt and positions (axially) leakage points according to a distance sensor.
The pipeline adopts a composite pipe structure (comprising a working pipe, a vacuum layer, an annular partition retainer ring, an outer sleeve and an outer sleeve anti-corrosion layer from inside to outside), a threading pipe is preset in the vacuum layer, and a temperature measuring optical fiber is penetrated in the threading pipe.
When the inner pipe medium leaks, the inner pipe medium diffuses to the threading guide pipe of the nearby temperature measuring optical fiber in the vacuum layer, and reacts with the reaction layer covered on the surface of the inner pipe medium to generate temperature change, the temperature measuring optical fiber in the area measures temperature mutation and transmits a signal to the DTS system host, and the system sends out an alarm prompt and positions (axial) leakage points. When the groundwater leakage of the outer sleeve occurs, water diffuses to the nearby temperature measurement optical fiber threading guide pipe in the vacuum layer, and reacts with the reaction layer covered on the surface of the vacuum layer to generate a chemical reaction to generate temperature change, the temperature measurement optical fiber in the area measures temperature mutation and transmits a signal to the DTS system host, and the system sends out an alarm prompt and positions an (axial) leakage point.
This type of pipeline passes through configuration optimization design and combines with DTS monitoring system, has realized the function of this type of inside and outside leak source location, because the pipeline adopts bilayer structure, leaks (oozes) to the pipeline and can provide effectual buffering safety barrier, avoids the serious incident emergence that can not only maintain the loss and probably lead to from this bringing in the time, and it has certain heat preservation function and is suitable for area use under the cold condition simultaneously.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a pipeline of transport inflammable and explosive fluid medium that combines DTS system, includes working tube (1), working tube (1) outer wall edge is connected in outer tube (3) through vacuum layer (2) and ring type cut off baffle (8), its characterized in that, be provided with wire conduit (4) in the vacuum layer along working tube (1) axis direction on vacuum layer (2), wire conduit (4) outward appearance scribbles can with the medium that the working tube was carried and the damaged reaction coating (6) that take place the groundwater water reaction of seepage and take place temperature variation, wear temperature measurement optic fibre (5) in wire conduit (4), temperature measurement optic fibre (5) pass through and cut off the segmentation temperature measurement region (7) that the vacuum cavity axial between interior outer tube was formed according to certain distance by ring type cut off baffle (8) along working tube (1) axis direction, the temperature measurement optic fibre in the temperature measurement region (7) is connected on DTS system host computer (10), the DTS system host (10) comprises an optical fiber sensing analyzer connected with a temperature measuring optical fiber, the output end of the optical fiber sensing analyzer is respectively connected with a liquid crystal display screen, a remote control end, a short message alarm and an audible and visual alarm, and the optical fiber sensing analyzer is used for collecting optical signals and converting the optical signals into temperature signals.
2. The pipeline for conveying flammable and combustible fluid media in combination with the DTS system according to claim 1, wherein the output end of the temperature measuring optical fiber (5) is connected with the control end through an optical fiber sensor, and the control end is respectively connected with a display and an alarm device.
3. A conduit for transporting combustible and explosive fluid media combined with a DTS system according to claim 1 further comprising a chemical reaction layer coated on the surface of the threading conduit (4).
4. A conduit for conveying combustible and explosive fluid media combined with a DTS system according to claim 1, characterized in that threading conduits are provided in the vacuum layer (2).
5. A conduit for transporting combustible and explosive fluid media in combination with a DTS system according to claim 1 wherein a vacuum layer is provided between the inner and outer tubes.
6. The pipeline for conveying flammable and combustible fluid media in combination with the DTS system according to claim 1, wherein the annular partition baffle (8) axially partitions the vacuum cavity between the inner pipe and the outer pipe at a certain distance to form a segmented temperature measurement area.
7. A conduit for conveying flammable and combustible fluid media combined with a DTS system according to claim 1, characterized in that the threading conduit (4) is made of a material that is easily heat-conductive.
CN202022057422.6U 2020-09-18 2020-09-18 Pipeline for conveying flammable and combustible fluid medium combined with DTS system Expired - Fee Related CN214535725U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022057422.6U CN214535725U (en) 2020-09-18 2020-09-18 Pipeline for conveying flammable and combustible fluid medium combined with DTS system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022057422.6U CN214535725U (en) 2020-09-18 2020-09-18 Pipeline for conveying flammable and combustible fluid medium combined with DTS system

Publications (1)

Publication Number Publication Date
CN214535725U true CN214535725U (en) 2021-10-29

Family

ID=78229274

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022057422.6U Expired - Fee Related CN214535725U (en) 2020-09-18 2020-09-18 Pipeline for conveying flammable and combustible fluid medium combined with DTS system

Country Status (1)

Country Link
CN (1) CN214535725U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113048405A (en) * 2020-09-18 2021-06-29 张声振 Pipeline for conveying flammable and combustible fluid medium combined with DTS system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113048405A (en) * 2020-09-18 2021-06-29 张声振 Pipeline for conveying flammable and combustible fluid medium combined with DTS system

Similar Documents

Publication Publication Date Title
CN109798151B (en) Method for intelligently monitoring operation condition of gas extraction pipeline
CN214535725U (en) Pipeline for conveying flammable and combustible fluid medium combined with DTS system
CN214535723U (en) Water supply and drainage pipeline with pipeline leakage monitoring function combined with DTS system
CN109443425A (en) A kind of heat preservation conveyance conduit deformation of long range and leakage monitoring system
CN113048405A (en) Pipeline for conveying flammable and combustible fluid medium combined with DTS system
CA2913792C (en) Fluid spill containment, location, and real time notification device with cable based sensor
CN207279151U (en) A kind of energy supply pipeline with temperature sensing optical fiber
CN105715899A (en) Maintenance-free compensator provided with online detecting device
CN111022833A (en) Direct-buried heat-insulation steam pipe with pipeline leakage monitoring function
CN211315380U (en) Polyurethane heat-insulating polyethylene outer-protection heat-insulating pipe for underground coal mine
CN210920548U (en) Novel shallow underground leakage-proof pipeline that buries
CN113048403A (en) Water supply and drainage pipeline with pipeline leakage monitoring function combined with DTS system
CN211344464U (en) Direct-buried heat-insulation steam pipe with pipeline leakage monitoring function
CN207231741U (en) A kind of Liquified gas leakage alarm device based on Fibre Optical Sensor
CN207049500U (en) A kind of alarm emergency compensator
CN210119617U (en) Pipe-in-pipe structure convenient for laying and replacing optical cables
CN214840120U (en) Full-immersed totally-enclosed safe hydrogen delivery pressure pipeline
US8776580B2 (en) System and process for detecting leakage in umbilicals
CN217466132U (en) Pressure pipeline leakage detection device
CN206725156U (en) A kind of geothermal pump well connecting pipe high-precision optical fiber multiple spot leakage detection apparatus
CN205535084U (en) Oil gas warehousing and transportation pipeline with leak detection function
CN2901274Y (en) Novel pipeline damage leakage positioner
CN206036674U (en) Pipeline with autoalarm
CN218209042U (en) Automatic monitoring and alarming device for heat distribution pipeline
CN219493880U (en) Buried hydrogen conveying pipeline detection device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211029

CF01 Termination of patent right due to non-payment of annual fee