CN204114577U - The real-time monitoring device that a kind of power plant feed water pump recirculating line leaks - Google Patents
The real-time monitoring device that a kind of power plant feed water pump recirculating line leaks Download PDFInfo
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- CN204114577U CN204114577U CN201420144581.1U CN201420144581U CN204114577U CN 204114577 U CN204114577 U CN 204114577U CN 201420144581 U CN201420144581 U CN 201420144581U CN 204114577 U CN204114577 U CN 204114577U
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- Prior art keywords
- feed water
- water pump
- power plant
- acquisition process
- process equipment
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 230000003134 recirculating effect Effects 0.000 title claims abstract description 23
- 238000012806 monitoring device Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 6
- 238000013021 overheating Methods 0.000 claims description 4
- 238000003303 reheating Methods 0.000 claims description 4
- 238000004886 process control Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000003245 coal Substances 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- Testing And Monitoring For Control Systems (AREA)
Abstract
The utility model relates to the real-time monitoring device that a kind of power plant feed water pump recirculating line leaks, and the utility model comprises DATA REASONING terminal, data acquisition process equipment and display device; The output terminal of described DATA REASONING terminal connects the respective input of data acquisition process equipment respectively; The output terminal of described data acquisition process equipment is connected with described display device by datawire or wireless network; The data ratio that the utility model DATA REASONING terminal gathers is easier to measure, and the data of collection in worksite can be passed through wireless network remote transmission to computer, the utility model stable performance, monitoring comprehensively and Monitoring Data is accurate, are convenient to implement and apply.
Description
Technical field
The utility model relates to the real-time monitoring device that a kind of power plant feed water pump recirculating line leaks.
Background technique
Power plant's feed water pump, as power equipment important in power plant steam-water thermodynamic cycle, carries the function stably providing high-pressure feed water to boiler.Along with electric power unit is to the development of Large Copacity high parameter, in power plant, the economic influence of feed water pump service behaviour to power plant is increasing.For a certain subcritical 600MW Direct Air-cooled Unit feed water pump, as leaked 10% feedwater flow due to feed water pump recirculating line, be then about 0.6g/kWh by affecting power plant's coal consumption.But power plant's feed water pump recirculating line leaks at present does not have special monitoring device, therefore cannot leak power plant's feed water pump recirculating line and comprehensively monitor.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of stable performance, monitors comprehensively and the real-time monitoring device of Monitoring Data power plant's feed water pump recirculating line leakage accurately.
The utility model adopts following technological scheme:
The utility model comprises DATA REASONING terminal, data acquisition process equipment and display device; Described DATA REASONING terminal comprises the first flow sensor be arranged on feed water pump inlet pipeline, the second quantity sensor be arranged on high-pressure feed-water heater feed water by-pass end outlet pipeline, the 3rd flow transducer be arranged on boiler overheating cooling water pipeline, the 4th flow transducer be arranged on boiler reheating cooling water pipeline; First flow sensor to the output terminal of the 4th flow transducer connects the respective input of data acquisition process equipment respectively; The output terminal of described data acquisition process equipment is connected with described display device by datawire or wireless network.
Data acquisition process equipment described in the utility model is the one of single-chip microcomputer, embedded computer system, process control machine or desk top computer.
The model of data acquisition process equipment described in the utility model is OM-DAQPRO-5300.
Display device described in the utility model is notebook computer or desk top computer.
The communication module of wireless network described in the utility model is zigbee wireless communication module.
The utility model good effect is as follows:
The utility model is by parameters such as the externally measured flows relevant to feed water pump recirculation, data acquisition process device processes is passed through after obtaining heating power data, final realization in the display device shows and calculates, the utility model can to solve in normal operation power plant's feed water pump recirculation leak condition and to the sex on-line monitoring problem of Unit Economic by simple measurement, runs and maintenance provides quantitative data accurately for power plant; By monitoring continuously on feed water pump recirculation leakage flow and on the impact of unit generation coal consumption, can monitor in real time the service behaviour of feed water pump recirculation leakage line and abnormal state, meeting the needs that economy of power plant is analyzed; The data ratio that the utility model DATA REASONING terminal gathers is easier to measure, and the data of collection in worksite can be passed through wireless network remote transmission to computer, the utility model stable performance, monitoring comprehensively and Monitoring Data is accurate, are convenient to implement and apply.
Accompanying drawing explanation
Accompanying drawing 1 is theory diagram of the present utility model.
Embodiment
As shown in Figure 1, the utility model comprises DATA REASONING terminal, data acquisition process equipment and display device; Described DATA REASONING terminal comprises the first flow sensor be arranged on feed water pump inlet pipeline, the second quantity sensor be arranged on high-pressure feed-water heater feed water by-pass end outlet pipeline, the 3rd flow transducer be arranged on boiler overheating cooling water pipeline, the 4th flow transducer be arranged on boiler reheating cooling water pipeline; First flow sensor to the output terminal of the 4th flow transducer connects the respective input of data acquisition process equipment respectively; Described data acquisition process equipment is the one of single-chip microcomputer, embedded computer system, process control machine or desk top computer; The model of described data acquisition process equipment is OM-DAQPRO-5300; The output terminal of described data acquisition process equipment is connected with described display device by datawire or wireless network; Display device can adopt notebook computer or desk top computer etc. to process and show; Wireless communication can adopt various ways, and zigbee wireless communication module such as can be adopted.
In power plant's feed water pump Operational Limits, the leakage flow of feed water pump recirculating line reflects the working state of feed water pump recirculating line the most intuitively.Under identical running boundary condition, the leakage rate of feed water pump recirculating line is lower, represents that the running state of feed water pump recirculating line is better.
The utility model adopts the leakage flow of feed water pump recirculating line as the leading indicator judging feed water pump recirculating line running state.
The step that employing the utility model carries out survey calculation is as follows:
(1) data input: first flow sensor to the data of the 4th flow transducer collection are inputed to data acquisition process equipment as in computer.
(2) data gathered in step () are calculated according to the following equation the relevant state data that power plant's feed water pump recirculating line leaks:
1), calculate feed water pump recirculating line leakage flow to calculate according to formula (1):
（1）
In formula (1):
for feed water pump recirculating line leakage flow, unit t/h;
for feed water pump import feedwater flow, unit t/h;
for feedwater flow after high-pressure feed-water heater feed water by-pass, unit t/h;
for boiler overheating attemperation water flow, unit t/h;
for boiler reheating attemperation water flow, unit t/h;
2), calculate the leakage of feed water pump recirculating line to calculate according to formula (2) the impact of unit economy:
(2)
In formula (2) formula:
for the value of feed water pump recirculating line leakage contribution unit generation coal consumption, unit g/kW.h;
for feed water pump under design point drives consumption of steam and the ratio designing main steam flow;
for unit design gross coal consumption rate value, unit g/kW.h.
the utility model adopts externally measured and corresponding calculation method, mainly by measuring the parameters such as the flow relevant to feed water pump recirculation, data acquisition process device processes is passed through after obtaining heating power data, final realization in the display device shows and calculates, power plant's feed water pump recirculation leak condition can be solved in normal operation and to the sex on-line monitoring problem of Unit Economic by simply measuring, to run for power plant and maintenance provides quantitative data accurately; By monitoring continuously on feed water pump recirculation leakage flow and on the impact of unit generation coal consumption, can monitor in real time the service behaviour of feed water pump recirculation leakage line and abnormal state, meeting the needs that economy of power plant is analyzed; The data ratio that the utility model DATA REASONING terminal gathers is easier to measure, and the data of collection in worksite can be passed through wireless network remote transmission to computer, the utility model stable performance, monitoring comprehensively and Monitoring Data is accurate, are convenient to implement and apply.
Claims (4)
1. a real-time monitoring device for power plant's feed water pump recirculating line leakage, is characterized in that: it comprises DATA REASONING terminal, data acquisition process equipment and display device; Described DATA REASONING terminal comprises the first flow sensor be arranged on feed water pump inlet pipeline, the second quantity sensor be arranged on high-pressure feed-water heater feed water by-pass end outlet pipeline, the 3rd flow transducer be arranged on boiler overheating cooling water pipeline, the 4th flow transducer be arranged on boiler reheating cooling water pipeline; First flow sensor to the output terminal of the 4th flow transducer connects the respective input of data acquisition process equipment respectively; The output terminal of described data acquisition process equipment is connected with described display device by datawire or wireless network, and the model of described data acquisition process equipment is OM-DAQPRO-5300.
2. the real-time monitoring device of power plant according to claim 1 feed water pump recirculating line leakage, is characterized in that described data acquisition process equipment is the one of single-chip microcomputer, embedded computer system, process control machine or desk top computer.
3. the real-time monitoring device of power plant according to claim 1 feed water pump recirculating line leakage, is characterized in that described display device is notebook computer or desk top computer.
4. the real-time monitoring device of power plant according to claim 1 feed water pump recirculating line leakage, is characterized in that the communication module of described wireless network is zigbee wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144581.1U CN204114577U (en) | 2014-03-28 | 2014-03-28 | The real-time monitoring device that a kind of power plant feed water pump recirculating line leaks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144581.1U CN204114577U (en) | 2014-03-28 | 2014-03-28 | The real-time monitoring device that a kind of power plant feed water pump recirculating line leaks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204114577U true CN204114577U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420144581.1U Expired - Fee Related CN204114577U (en) | 2014-03-28 | 2014-03-28 | The real-time monitoring device that a kind of power plant feed water pump recirculating line leaks |
Country Status (1)
| Country | Link |
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| CN (1) | CN204114577U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948874A (en) * | 2015-07-06 | 2015-09-30 | 秦皇岛市北戴河金财保温材料有限公司 | Novel prefabricated heat preservation pipe and seepage detection alarm system used for same |
| CN108980633A (en) * | 2018-08-27 | 2018-12-11 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Waterpower cooling infrared heat point antenna |
-
2014
- 2014-03-28 CN CN201420144581.1U patent/CN204114577U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948874A (en) * | 2015-07-06 | 2015-09-30 | 秦皇岛市北戴河金财保温材料有限公司 | Novel prefabricated heat preservation pipe and seepage detection alarm system used for same |
| CN104948874B (en) * | 2015-07-06 | 2017-03-15 | 秦皇岛市北戴河金财保温材料有限公司 | New heat preservation pipe prefabricated and leak detection warning system for which |
| CN108980633A (en) * | 2018-08-27 | 2018-12-11 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Waterpower cooling infrared heat point antenna |
| CN108980633B (en) * | 2018-08-27 | 2023-09-29 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Hydraulic cooling infrared hot spot antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150121 Termination date: 20170328 |
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| CF01 | Termination of patent right due to non-payment of annual fee |