CN203443568U - Thermal power plant high temperature and high pressure pipeline three-direction displacement measurement system - Google Patents
Thermal power plant high temperature and high pressure pipeline three-direction displacement measurement system Download PDFInfo
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- CN203443568U CN203443568U CN201320548900.0U CN201320548900U CN203443568U CN 203443568 U CN203443568 U CN 203443568U CN 201320548900 U CN201320548900 U CN 201320548900U CN 203443568 U CN203443568 U CN 203443568U
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Abstract
The utility model discloses a thermal power plant high temperature and high pressure pipeline three-direction displacement measurement system which comprises a pipeline, a first bracket, a second bracket and a third bracket. The first bracket, the second bracket and the third bracket are arranged at different positions of the pipeline. The first bracket, the second bracket and the third bracket are respectively connected with a first displacement transducer, a second displacement transducer and a third displacement transducer. The first displacement transducer, the second displacement transducer and the third displacement transducer are guy type displacement transducers. The guy directions of the first displacement transducer, the second displacement transducer and the third displacement transducer are respectively parallel to an X direction, a Y direction and a Z direction. The X direction, the Y direction and the Z direction are pairwise vertical. According to the utility model, an electronic measurement method is used to measure and record the three-direction displacement of the thermal power plant high temperature and high pressure pipeline; the pipeline displacement is monitored; and the safe operation of the pipeline and equipment can be ensured.
Description
[technical field]
The utility model relates to heat engine field, fuel-burning power plant, is specifically related to a kind of fuel-burning power plant high-temperature and pressure pipeline three direction displacement measuring system.
[background technology]
In fuel-burning power plant, four fuel-burning power plant, bassoon Dow Jones index main steam lines, cold reheaing steam pipe, reheat heat jet chimney and high-pressure feed water pipeline (hereinafter to be referred as four large pipelines), they are chief components in power plant's steam-water pipe, also be main high-temperature and pressure pipeline, be characterized in that design parameter is high, pipe diameter is relatively large.Four large pipeline securities are most important, once have an accident, directly have influence on the safety of life and property.Wherein main steam line, reheat heat jet chimney are high especially because of its temperature again, are the most important things wherein.
Main steam line, reheat heat jet chimney be because temperature is high, adopts chrome-bearing alloy steel, and high-temerature creep is the principal element that determines its life-span, is: stress and temperature with two principal elements of the velocity correlation of creep.The speed Main Means of controlling creep is the applied stress of controlling material.
During pipe design, as much as possible stress is dropped to floor level.Installing and later stage in service, because suspension and support is underload or deviation, and during suspension and support fault, do not reach load-bearing capacity or part suspension and support is stuck, cause the sinking of pipeline or expand limited, displacement off-design, pipe stress is raise, and equipment interface thrust increases.
Scene can be by checking suspension and support carrying and displacement, judge pipeline crane system normally whether, because suspension and support quantity is many, workload is large, so displacement indicator is installed at larger, the representational position of piping displacement amount, by recording it in the change in displacement of cold and hot three-dimensional, analyze the displacement situation of its whole pipeline, normally whether judgement pipe-hanger support.All the time, all adopt mechanical type three direction displacement indicator, it is not handy that generally react at scene, especially documentarily more difficult, need special messenger's periodic logging, cause to install and perform practically no function later, do not reach the monitoring to piping displacement, pipeline is likely moved under condition of high ground stress, the life-span of high-temperature pipe is brought to very large impact, directly have influence on the later stage safe operation of unit.
Raising along with unit parameter, the highest 90% of the allowable design stress that used of design maximum stress of main steam line, reheat heat jet chimney, if this respect is not paid attention to, pipeline is likely in over stress operation, by the safe operation of serious threat pipeline, equipment.
[utility model content]
The purpose of this utility model is to propose a kind of fuel-burning power plant high-temperature and pressure pipeline three direction displacement measuring system, utilize electronic surveying means to replace traditional Mechanical measurement method, to fuel-burning power plant high-temperature and pressure pipeline three direction displacement measure, record, monitoring piping displacement, guarantees the safe operation of pipeline and equipment.
For achieving the above object, technical solution adopted in the utility model is:
Fuel-burning power plant high-temperature and pressure pipeline three direction displacement measuring system, comprises pipeline, the first bracket, the second bracket and the 3rd bracket; The first bracket, the second bracket and the 3rd bracket are installed on the diverse location of pipeline, and the first bracket, the second bracket and the 3rd bracket are connected respectively the first displacement transducer, the second displacement transducer and triple motion transmitter; The first displacement transducer, the second displacement transducer and triple motion transmitter are stay-supported displacement transducer, the stayguy direction of the first displacement transducer, the second displacement transducer and triple motion transmitter is parallel to respectively X-direction, Y-direction and Z-direction, and X-direction, Y-direction and Z-direction are vertical between two.
The utility model further improves and is: the output line of the first displacement transducer, the second displacement transducer and triple motion transmitter is all connected with DCS system.
The utility model further improves and is: the first displacement transducer, the second displacement transducer and triple motion transmitter are separately fixed on the first pillar, the second pillar and crossbeam, and described the first pillar, the second pillar and crossbeam are arranged at pipeline side.
The utility model further improves and is: pipeline is fuel-burning power plant main steam line, cold reheaing steam pipe, reheat heat jet chimney or high-pressure feed water pipeline.
The utility model further improves and is: described pipeline comprises the first horizontal segment, the second horizontal segment and vertical section, and described the first horizontal segment extends along Y-direction, and vertically section is extended along Z-direction, and the second horizontal segment extends along X-direction; Described the first bracket, the second bracket and the 3rd bracket are installed on respectively on the first horizontal segment, vertical section and the second horizontal segment.The layout of each bracket specifically should be according to the flexibility analysis result of corresponding pipeline, chooses respectively X in pipeline, Y, three positions that Z-direction thermal walking is larger.
The utility model further improves and is: the first bracket, the second bracket and the 3rd bracket are installed on respectively pipeline X-direction, Y-direction and Z-direction thermal walking maximum.
With respect to prior art, the utlity model has following beneficial effect:
A kind of fuel-burning power plant of the utility model high-temperature and pressure pipeline three direction displacement measuring system, advanced electronic surveying means have been utilized, realized to fuel-burning power plant high-temperature and pressure pipeline three direction displacement under different load, different running temperature, measure, record, and, the utility model is convenient to monitor piping displacement, analyze judgement conduit running situation, guarantee the safe operation of pipeline, equipment.
[accompanying drawing explanation]
Fig. 1 is the utility model fuel-burning power plant high-temperature and pressure pipeline three direction displacement measuring system schematic diagram.
Wherein: 1, pipeline; 2, the first bracket; 3, the first displacement transducer; 4, the first pillar; 5, the second bracket; 6, the second displacement transducer; 7, the second pillar; 8, the 3rd bracket; 9, triple motion transmitter; 10, crossbeam.
[embodiment]
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Refer to shown in Fig. 1, a kind of fuel-burning power plant high-temperature and pressure pipeline three direction displacement measuring system, comprise pipeline 1, according to the flexibility analysis result of pipeline, on pipeline 1, select respectively X-direction, Y-direction, three positions that Z-direction thermal walking is larger, the first bracket 2, the second bracket 5 and the 3rd bracket 8 are installed respectively; Pipeline 1 comprises the first horizontal segment, the second horizontal segment and vertical section, and the first horizontal segment extends along Y-direction, and vertically section is extended along Z-direction, and the second horizontal segment extends along X-direction; The first bracket 2, the second bracket 5 and the 3rd bracket 8 are installed on respectively on the first horizontal segment, vertical section and the second horizontal segment.It is fixing by the first pillar 4, the second pillar 7 and crossbeam 10 respectively that the first bracket 2, the second bracket 5 and the 3rd bracket 8 are connected respectively the first displacement transducer 3, the second displacement transducer 6 and triple motion transmitter 9, the first displacement transducers 3, the second displacement transducer 6 and triple motion transmitter 9.The first displacement transducer 3, the second displacement transducer 6 and triple motion transmitter 9 are stay-supported displacement transducer, the stayguy direction of the first displacement transducer 3, the second displacement transducer 6 and triple motion transmitter 9 is parallel to respectively X-direction, Y-direction and Z-direction, and X-direction, Y-direction and Z-direction are vertical between two.Pipeline 1 is fuel-burning power plant main steam line, cold reheaing steam pipe, reheat heat jet chimney or high-pressure feed water pipeline.
The output line of the first displacement transducer 3, the second displacement transducer 6 and triple motion transmitter 9 is all connected with DCS system (scattered control system, English full name distributed control systems are called for short DCS).Output measuring-signal access DCS system, can realize the displacement data record to different load, different running temperature record, is convenient to monitor piping displacement, analyzes judgement conduit running situation, guarantees pipeline, equipment safety operation.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model; can not assert that embodiment of the present utility model only limits to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; can also make some simple deduction or replace, all should be considered as belonging to the utility model and determine scope of patent protection by submitted to claims.
Claims (6)
1. fuel-burning power plant high-temperature and pressure pipeline three direction displacement measuring system, is characterized in that: comprise pipeline (1), the first bracket (2), the second bracket (5) and the 3rd bracket (8); The first bracket (2), the second bracket (5) and the 3rd bracket (8) are installed on the diverse location of pipeline (1), and the first bracket (2), the second bracket (5) and the 3rd bracket (8) are connected respectively the first displacement transducer (3), the second displacement transducer (6) and triple motion transmitter (9); The first displacement transducer (3), the second displacement transducer (6) and triple motion transmitter (9) are stay-supported displacement transducer, the stayguy direction of the first displacement transducer (3), the second displacement transducer (6) and triple motion transmitter (9) is parallel to respectively X-direction, Y-direction and Z-direction, and X-direction, Y-direction and Z-direction are vertical between two.
2. fuel-burning power plant according to claim 1 high-temperature and pressure pipeline three direction displacement measuring system, is characterized in that: the output line of the first displacement transducer (3), the second displacement transducer (6) and triple motion transmitter (9) is all connected with DCS system.
3. fuel-burning power plant according to claim 1 high-temperature and pressure pipeline three direction displacement measuring system, it is characterized in that: it is upper that the first displacement transducer (3), the second displacement transducer (6) and triple motion transmitter (9) are separately fixed at the first pillar (4), the second pillar (7) and crossbeam (10), and described the first pillar (4), the second pillar (7) and crossbeam (10) are arranged at pipeline (1) side.
4. fuel-burning power plant according to claim 1 high-temperature and pressure pipeline three direction displacement measuring system, is characterized in that: pipeline (1) is fuel-burning power plant main steam line, cold reheaing steam pipe, reheat heat jet chimney or high-pressure feed water pipeline.
5. fuel-burning power plant according to claim 1 high-temperature and pressure pipeline three direction displacement measuring system, it is characterized in that: described pipeline (1) comprises the first horizontal segment, vertical section and the second horizontal segment, described the first horizontal segment extends along Y-direction, vertically section is extended along Z-direction, and the second horizontal segment extends along X-direction; Described the first bracket (2), the second bracket (5) and the 3rd bracket (8) are installed on respectively on the first horizontal segment, vertical section and the second horizontal segment.
6. fuel-burning power plant according to claim 1 high-temperature and pressure pipeline three direction displacement measuring system, is characterized in that: the first bracket (2), the second bracket (5) and the 3rd bracket (8) are installed on respectively pipeline (1) X-direction, Y-direction and Z-direction thermal walking maximum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320548900.0U CN203443568U (en) | 2013-09-04 | 2013-09-04 | Thermal power plant high temperature and high pressure pipeline three-direction displacement measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320548900.0U CN203443568U (en) | 2013-09-04 | 2013-09-04 | Thermal power plant high temperature and high pressure pipeline three-direction displacement measurement system |
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| Publication Number | Publication Date |
|---|---|
| CN203443568U true CN203443568U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320548900.0U Expired - Lifetime CN203443568U (en) | 2013-09-04 | 2013-09-04 | Thermal power plant high temperature and high pressure pipeline three-direction displacement measurement system |
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| Country | Link |
|---|---|
| CN (1) | CN203443568U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021168A (en) * | 2015-06-26 | 2015-11-04 | 广东电网有限责任公司电力科学研究院 | Non-contact online measurement method and apparatus of boiler main steam pipeline macroscopic displacement |
| CN113405426A (en) * | 2021-05-14 | 2021-09-17 | 中国海洋石油集团有限公司 | Steam pipeline displacement monitoring device |
-
2013
- 2013-09-04 CN CN201320548900.0U patent/CN203443568U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021168A (en) * | 2015-06-26 | 2015-11-04 | 广东电网有限责任公司电力科学研究院 | Non-contact online measurement method and apparatus of boiler main steam pipeline macroscopic displacement |
| CN113405426A (en) * | 2021-05-14 | 2021-09-17 | 中国海洋石油集团有限公司 | Steam pipeline displacement monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA Free format text: FORMER NAME: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
|
| CP03 | Change of name, title or address |
Address after: 22 No. 710075, unity South Road, hi tech Industrial Development Zone, Shaanxi, Xi'an Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Address before: 710075 Xi'an province high tech Development Zone, unity South Road, No. 22, No. Patentee before: NORTHWEST ELECTRIC POWER DESIGN INST. OF CHINA POWER ENGINEERING CONSULTING Group |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |