CN104863841A - Method for online efficiency monitoring of circulating water pump in thermal power plant - Google Patents
Method for online efficiency monitoring of circulating water pump in thermal power plant Download PDFInfo
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- CN104863841A CN104863841A CN201510218846.7A CN201510218846A CN104863841A CN 104863841 A CN104863841 A CN 104863841A CN 201510218846 A CN201510218846 A CN 201510218846A CN 104863841 A CN104863841 A CN 104863841A
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Abstract
The invention relates to a method for online efficiency monitoring of a circulating water pump in a thermal power plant, which comprises the steps that a collection module collects real-time operation data of the circulating water pump in the thermal power plant; a real-time data collection network recodes and isolates the received data; a processing module determines a scope and works out an average of original operation data of the circulating water pump in the thermal power plant; a calculation module works out current lift, effective power and efficiency of the circulating water pump in the thermal power plant; a data storage server completes classification and storage of the data; and the efficiency and historical operation data of the circulating water pump are shown on a display screen by forms and curves. In the form of charts and the history curves, the method for the online efficiency monitoring of the circulating water pump in the thermal power plant provided by the invention reflects the efficiency and historical operation data of the circulating water pump in the thermal power plant, helps operation staffs master the efficiency of the circulating water pump in the thermal power plant and provides references for economic operation of a circulating water pump system in the thermal power plant.
Description
Technical field
The invention belongs to thermal power generation field of energy-saving technology, particularly a kind of circulating water pump in thermal power plant efficiency on-line monitoring method.
Background technique
Circulating water pump is one of thermal power generation unit major pant item equipment, and its main task is for the equipment of vapour condenser and other needs coolings provides recirculated cooling water.But circulating water pump in thermal power plant efficiency can only be obtained by experiment calculation at present, also not having can the method for Real-Time Monitoring circulating water pump in thermal power plant efficiency, causes the economical operation of circulating water pump in thermal power plant to lack necessary technical support.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, and propose a kind of circulating water pump in thermal power plant efficiency on-line monitoring method.
The present invention solves its technical problem and takes following technological scheme to realize:
A kind of circulating water pump in thermal power plant efficiency on-line monitoring method, comprises step as follows:
(1) circulating water pump in thermal power plant service data acquisition module is from circulating water pump in thermal power plant real-time running data needed for operating unit decentralized control system (DCS) collection of server, and real-time running data is sent to circulating water pump in thermal power plant real-time data acquisition net;
(2) circulating water pump in thermal power plant real-time data acquisition net carries out recompile to the transmission data received, and isolation contacts with other data transmission network outside, and recompile result is sent to real time data processing module and data storage server;
(3) real time data processing module to be judged circulating water pump in thermal power plant raw operational data by the data that receive and processes, the judgement of data area completed successively for data-signal and averages, and processing result being sent to circulating water pump in thermal power plant efficiency calculation module;
(4) circulating water pump in thermal power plant efficiency calculation module calculates circulating water pump in thermal power plant lift and circulating water pump in thermal power plant useful horsepower under current operating conditions to reception data, and then calculate circulating water pump in thermal power plant efficiency, and result of calculation is sent to circulating water pump in thermal power plant efficiency monitoring system main display and data storage server;
(5) data storage server receives the data coming from circulating water pump in thermal power plant real-time data acquisition net and circulating water pump in thermal power plant efficiency calculation module simultaneously, and completes classification and the storage of data, for user of service's transferring and subsequent treatment historical data;
(6) circulating water pump in thermal power plant efficiency monitoring system main display presents real time data and the historical data of circulating water pump in thermal power plant efficiency simultaneously with the form of form and curve.
And in described step (1), circulating water pump in thermal power plant real-time running data specifically comprises: circulating water pump inlet pressure P
1, circulating water pump outlet pressure P
2, circulating water temperature T, circulating water pump flow Q, water circulating pump motor input power P
gr.
And carrying out recompile to the transmission data received in described step (2) is the circulating water pump inlet pressure P that will receive
1, circulating water pump outlet pressure P
2, circulating water temperature T, circulating water pump flow Q, water circulating pump motor input power P
grtransmission data are again carried out combination П binary data and are encoded with time data bag.
And, in described step (3), the judgement of data area is completed successively for data-signal and concrete steps of averaging are:
1. in real time data processing module, set the height limit range ability of often kind of data-signal;
2. often kind of data-signal real time data processing module received limits range ability to compare with height respectively, if in range ability, then judges that data are rationally available, if not in range ability, then judges that data are unreasonable, and carry out alarm;
3. for the data adopting dual or multiple measuring point, after completing data rationality and judging, arithmetic mean is carried out to all measuring point datas, and using the end value of mean value as this measuring point.
And the circular of circulating water pump in thermal power plant lift is described in described step (4):
1. by circulating water temperature T computation cycles water density ρ, represent with function ρ=f (T);
2. by circulating water pump flow Q computation cycles unit fixed on water pump suction pipe flow speed V
1, V
1=Q/S
1, wherein S
1for circulating water pump inlet pipeline sectional area, it is known parameters;
3. by circulating water pump flow Q computation cycles exit of pump pipeline flow velocity V
2, V
2=Q/S
2, wherein S
2for circulating water pump outlet conduit sectional area, it is known parameters;
4. circulating water pump in thermal power plant lift H=(P
2-P
1)/(ρ × g)+Z
2-Z
1+ (V
2× V
2-V
1× V
1)/(2 × g), wherein g is gravity accleration, is known constant; Z
2for cross section absolute altitude is measured in outlet, it is known parameters; Z
1for cross section absolute altitude is measured in import, it is known parameters.
And the circular of circulating water pump in thermal power plant useful horsepower and Circulating Water Pump Efficiency is described in described step (4):
1. circulating water pump in thermal power plant useful horsepower P
u=(Q × H × ρ × g)/1000, wherein Q is circulating water pump flow, and H is circulating water pump in thermal power plant lift, and ρ is circulating water density, and g is gravity accleration;
2. circulating water pump in thermal power plant efficiency eta=P
u/ (P
gr× η
gr), wherein P
ufor circulating water pump in thermal power plant useful horsepower, P
grfor water circulating pump motor input power, η
grfor motor efficiency, it is known parameters.
And described in described step (5), the concrete sorting technique of Data classification is: data are divided into circulating water pump in thermal power plant real-time running data and calculation result data, and wherein circulating water pump in thermal power plant real-time running data comprises: circulating water pump inlet pressure P
1, circulating water pump outlet pressure P
2, circulating water temperature T, circulating water pump flow Q, water circulating pump motor input power P
gr;
And form specifically comprises circulating water pump inlet pressure P described in described step (6)
1, circulating water pump outlet pressure P
2, circulating water temperature T, circulating water pump flow Q, water circulating pump motor input power P
gr; Described curve specifically comprises:
1. the time dependent curve of circulating water pump in thermal power plant lift;
2. the time dependent curve of circulating water pump in thermal power plant useful horsepower;
3. the time dependent curve of circulating water pump in thermal power plant efficiency.
Advantage of the present invention and good effect are:
Circulating water pump in thermal power plant real-time running data acquisition module, circulating water pump in thermal power plant real-time data acquisition net, real time data processing module, circulating water pump in thermal power plant efficiency calculation module, data storage server, circulating water pump in thermal power plant efficiency monitoring system key frame link together by the inventive method, form circulating water pump in thermal power plant efficiency on-line monitoring system.This system is by calculating circulating water pump in thermal power plant lift, circulating water pump in thermal power plant useful horsepower and the circulating water pump in thermal power plant efficiency that can reflect circulating water pump in thermal power plant running state in real time, and present to operations staff with the form of chart and history curve, operations staff is helped to grasp the overall performance of circulating water pump in thermal power plant, for the economical operation of circulating water pump in thermal power plant system provides reference.
Accompanying drawing explanation
Fig. 1 is the system connection diagram of circulating water pump in thermal power plant efficiency on-line monitoring method of the present invention.
Embodiment
Be further described the invention process below in conjunction with accompanying drawing, following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
A kind of circulating water pump in thermal power plant efficiency on-line monitoring method, as shown in Figure 1, the hardware system that the method uses comprises: circulating water pump in thermal power plant real-time running data acquisition module, circulating water pump in thermal power plant real-time data acquisition net, real time data processing module, circulating water pump in thermal power plant efficiency calculation module, data storage server, circulating water pump in thermal power plant efficiency monitoring system main display and operating unit decentralized control system (DCS) server, and the concrete steps of the method are as follows:
(1) circulating water pump in thermal power plant service data acquisition module is from circulating water pump in thermal power plant real-time running data needed for operating unit decentralized control system (DCS) collection of server, and real-time running data is sent to circulating water pump in thermal power plant real-time data acquisition net;
Wherein, circulating water pump in thermal power plant real-time running data specifically comprises: circulating water pump inlet pressure P
1, circulating water pump outlet pressure P
2, circulating water temperature T, circulating water pump flow Q, water circulating pump motor input power P
gr.
(2) circulating water pump in thermal power plant real-time data acquisition net carries out recompile to the transmission data received, and isolation contacts with other data transmission network outside, and recompile result is sent to real time data processing module and data storage server;
Wherein, carrying out recompile to the transmission data received is the circulating water pump inlet pressure P that will receive
1, circulating water pump outlet pressure P
2, circulating water temperature T, circulating water pump flow Q, water circulating pump motor input power P
grtransmission data are again carried out combination П binary data and are encoded with time data bag.
(3) real time data processing module to be judged circulating water pump in thermal power plant raw operational data by the data that receive and processes, the judgement of data area completed successively for data-signal and averages, and processing result being sent to circulating water pump in thermal power plant efficiency calculation module;
Wherein, describedly the judgement of data area is completed successively for data-signal and concrete steps of averaging are:
1. in real time data processing module, set the height limit range ability of often kind of data-signal;
2. often kind of data-signal real time data processing module received limits range ability to compare with height respectively, if in range ability, then judges that data are rationally available, if not in range ability, then judges that data are unreasonable, and carry out alarm;
3. for the data adopting dual or multiple measuring point, after completing data rationality and judging, arithmetic mean is carried out to all measuring point datas, and using the end value of mean value as this measuring point.
(4) circulating water pump in thermal power plant efficiency calculation module calculates circulating water pump in thermal power plant lift and circulating water pump in thermal power plant useful horsepower under current operating conditions to reception data, and then calculate circulating water pump in thermal power plant efficiency, and result of calculation is sent to circulating water pump in thermal power plant efficiency monitoring system main display and data storage server;
Wherein, the circular of described circulating water pump in thermal power plant lift is:
1. by circulating water temperature T computation cycles water density ρ, represent with function ρ=f (T);
2. by circulating water pump flow Q computation cycles unit fixed on water pump suction pipe flow speed V
1, V
1=Q/S
1, wherein S
1for circulating water pump inlet pipeline sectional area, it is known parameters;
3. by circulating water pump flow Q computation cycles exit of pump pipeline flow velocity V
2, V
2=Q/S
2, wherein S
2for circulating water pump outlet conduit sectional area, it is known parameters;
4. circulating water pump in thermal power plant lift H=(P
2-P
1)/(ρ × g)+Z
2-Z
1+ (V
2× V
2-V
1× V
1)/(2 × g), wherein g is gravity accleration, is known constant; Z
2for cross section absolute altitude is measured in outlet, it is known parameters; Z
1for cross section absolute altitude is measured in import, it is known parameters.
Wherein, the circular of described circulating water pump in thermal power plant useful horsepower is:
1. circulating water pump in thermal power plant useful horsepower P
u=(Q × H × ρ × g)/1000, wherein Q is circulating water pump flow, and H is circulating water pump in thermal power plant lift, and ρ is circulating water density, and g is gravity accleration.
Wherein, the circular of described circulating water pump in thermal power plant efficiency is:
1. circulating water pump in thermal power plant efficiency eta=P
u/ (P
gr× η
gr), wherein P
ufor circulating water pump in thermal power plant useful horsepower, P
grfor water circulating pump motor input power, η
grfor motor efficiency, it is known parameters.
(5) data storage server receives the data coming from circulating water pump in thermal power plant real-time data acquisition net and circulating water pump in thermal power plant efficiency calculation module simultaneously, and completes classification and the storage of data, for user of service's transferring and subsequent treatment historical data;
Wherein, the concrete sorting technique of described Data classification is:
1. data are divided into circulating water pump in thermal power plant real-time running data and calculation result data, and wherein circulating water pump in thermal power plant real-time running data comprises: circulating water pump inlet pressure P
1, circulating water pump outlet pressure P
2, circulating water temperature T, circulating water pump flow Q, water circulating pump motor input power P
gr;
2. because circulating water pump in thermal power plant real-time running data gathers self-operating unit decentralized control system (DCS) server, no longer preserve in notebook data storage server, only complete calculation result data and store with time packet synchronisation.
(6) circulating water pump in thermal power plant efficiency monitoring system main display presents real time data and the historical data of circulating water pump in thermal power plant efficiency simultaneously with the form of form and curve.
Wherein, described form specifically comprises circulating water pump inlet pressure P
1, circulating water pump outlet pressure P
2, circulating water temperature T, circulating water pump flow Q, water circulating pump motor input power P
gr;
Wherein, described curve specifically comprises:
1. the time dependent curve of circulating water pump in thermal power plant lift;
2. the time dependent curve of circulating water pump in thermal power plant useful horsepower;
3. the time dependent curve of circulating water pump in thermal power plant efficiency.
Claims (8)
1. a circulating water pump in thermal power plant efficiency on-line monitoring method, is characterized in that comprising step as follows:
(1) circulating water pump in thermal power plant service data acquisition module is from circulating water pump in thermal power plant real-time running data needed for operating unit decentralized control system (DCS) collection of server, and real-time running data is sent to circulating water pump in thermal power plant real-time data acquisition net;
(2) circulating water pump in thermal power plant real-time data acquisition net carries out recompile to the transmission data received, and isolation contacts with other data transmission network outside, and recompile result is sent to real time data processing module and data storage server;
(3) real time data processing module to be judged circulating water pump in thermal power plant raw operational data by the data that receive and processes, the judgement of data area completed successively for data-signal and averages, and processing result being sent to circulating water pump in thermal power plant efficiency calculation module;
(4) circulating water pump in thermal power plant efficiency calculation module calculates circulating water pump in thermal power plant lift and circulating water pump in thermal power plant useful horsepower under current operating conditions to reception data, and then calculate circulating water pump in thermal power plant efficiency, and result of calculation is sent to circulating water pump in thermal power plant efficiency monitoring system main display and data storage server;
(5) data storage server receives the data coming from circulating water pump in thermal power plant real-time data acquisition net and circulating water pump in thermal power plant efficiency calculation module simultaneously, and completes classification and the storage of data, for user of service's transferring and subsequent treatment historical data;
(6) circulating water pump in thermal power plant efficiency monitoring system main display presents real time data and the historical data of circulating water pump in thermal power plant efficiency simultaneously with the form of form and curve.
2. circulating water pump in thermal power plant efficiency on-line monitoring method according to claim 1, is characterized in that: in described step (1), circulating water pump in thermal power plant real-time running data specifically comprises: circulating water pump inlet pressure P
1, circulating water pump outlet pressure P
2, circulating water temperature T, circulating water pump flow Q, water circulating pump motor input power P
gr.
3. circulating water pump in thermal power plant efficiency on-line monitoring method according to claim 1, is characterized in that: carrying out recompile to the transmission data received in described step (2) is the circulating water pump inlet pressure P that will receive
1, circulating water pump outlet pressure P
2, circulating water temperature T, circulating water pump flow Q, water circulating pump motor input power P
grtransmission data are again carried out combination П binary data and are encoded with time data bag.
4. circulating water pump in thermal power plant efficiency on-line monitoring method according to claim 1, is characterized in that: complete the judgement of data area successively for data-signal in described step (3) and concrete steps of averaging are:
1. in real time data processing module, set the height limit range ability of often kind of data-signal;
2. often kind of data-signal real time data processing module received limits range ability to compare with height respectively, if in range ability, then judges that data are rationally available, if not in range ability, then judges that data are unreasonable, and carry out alarm;
3. for the data adopting dual or multiple measuring point, after completing data rationality and judging, arithmetic mean is carried out to all measuring point datas, and using the end value of mean value as this measuring point.
5. circulating water pump in thermal power plant efficiency on-line monitoring method according to claim 1, is characterized in that: described in described step (4), the circular of circulating water pump in thermal power plant lift is:
1. by circulating water temperature T computation cycles water density ρ, represent with function ρ=f (T);
2. by circulating water pump flow Q computation cycles unit fixed on water pump suction pipe flow speed V
1, V
1=Q/S
1, wherein S
1for circulating water pump inlet pipeline sectional area, it is known parameters;
3. by circulating water pump flow Q computation cycles exit of pump pipeline flow velocity V
2, V
2=Q/S
2, wherein S
2for circulating water pump outlet conduit sectional area, it is known parameters;
4. circulating water pump in thermal power plant lift H=(P
2-P
1)/(ρ × g)+Z
2-Z
1+ (V
2× V
2-V
1× V
1)/(2 × g), wherein g is gravity accleration, is known constant; Z
2for cross section absolute altitude is measured in outlet, it is known parameters; Z
1for cross section absolute altitude is measured in import, it is known parameters.
6. circulating water pump in thermal power plant efficiency on-line monitoring method according to claim 1, is characterized in that: described in described step (4), the circular of circulating water pump in thermal power plant useful horsepower and Circulating Water Pump Efficiency is:
1. circulating water pump in thermal power plant useful horsepower P
u=(Q × H × ρ × g)/1000, wherein Q is circulating water pump flow, and H is circulating water pump in thermal power plant lift, and ρ is circulating water density, and g is gravity accleration;
2. circulating water pump in thermal power plant efficiency eta=P
u/ (P
gr× η
gr), wherein P
ufor circulating water pump in thermal power plant useful horsepower, P
grfor water circulating pump motor input power, η
grfor motor efficiency, it is known parameters.
7. circulating water pump in thermal power plant efficiency on-line monitoring method according to claim 1, it is characterized in that: described in described step (5), the concrete sorting technique of Data classification is: data are divided into circulating water pump in thermal power plant real-time running data and calculation result data, and wherein circulating water pump in thermal power plant real-time running data comprises: circulating water pump inlet pressure P
1, circulating water pump outlet pressure P
2, circulating water temperature T, circulating water pump flow Q, water circulating pump motor input power P
gr.
8. circulating water pump in thermal power plant efficiency on-line monitoring method according to claim 1, is characterized in that: described in described step (6), form specifically comprises circulating water pump inlet pressure P
1, circulating water pump outlet pressure P
2, circulating water temperature T, circulating water pump flow Q, water circulating pump motor input power P
gr; Described curve specifically comprises:
1. the time dependent curve of circulating water pump in thermal power plant lift;
2. the time dependent curve of circulating water pump in thermal power plant useful horsepower;
3. the time dependent curve of circulating water pump in thermal power plant efficiency.
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Publication number | Priority date | Publication date | Assignee | Title |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070028632A1 (en) * | 2005-08-03 | 2007-02-08 | Mingsheng Liu | Chiller control system and method |
CN103133319A (en) * | 2013-02-20 | 2013-06-05 | 浙江省电力公司电力科学研究院 | Frequency converting control method and system of condensate pump of condensed steam generator set |
CN103244433A (en) * | 2013-05-09 | 2013-08-14 | 国家电网公司 | Operation optimizing and monitoring method for variable-frequency circulating water pump of power plant |
CN103244397A (en) * | 2013-05-09 | 2013-08-14 | 国家电网公司 | Optimal operation control method for variable-frequency circulating water pump |
CN103335537A (en) * | 2013-06-15 | 2013-10-02 | 国家电网公司 | Method for on-line monitoring real-time operation cleanness factor of condenser |
-
2015
- 2015-04-30 CN CN201510218846.7A patent/CN104863841A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070028632A1 (en) * | 2005-08-03 | 2007-02-08 | Mingsheng Liu | Chiller control system and method |
CN103133319A (en) * | 2013-02-20 | 2013-06-05 | 浙江省电力公司电力科学研究院 | Frequency converting control method and system of condensate pump of condensed steam generator set |
CN103244433A (en) * | 2013-05-09 | 2013-08-14 | 国家电网公司 | Operation optimizing and monitoring method for variable-frequency circulating water pump of power plant |
CN103244397A (en) * | 2013-05-09 | 2013-08-14 | 国家电网公司 | Optimal operation control method for variable-frequency circulating water pump |
CN103335537A (en) * | 2013-06-15 | 2013-10-02 | 国家电网公司 | Method for on-line monitoring real-time operation cleanness factor of condenser |
Non-Patent Citations (1)
Title |
---|
于春慧: "基于虚拟仪器的水泵性能数据采集系统的研究", 《中国优秀博硕士学位论文全文数据库(硕士) 信息科技辑》 * |
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CN112524013A (en) * | 2020-11-11 | 2021-03-19 | 上海威派格智慧水务股份有限公司 | Water pump real-time efficiency monitoring system and method |
CN113357137A (en) * | 2021-06-02 | 2021-09-07 | 华能(浙江)能源开发有限公司玉环分公司 | Method for detecting broken shaft of circulating water pump of thermal power plant |
CN114576149B (en) * | 2022-01-28 | 2023-11-28 | 华电电力科学研究院有限公司 | Optimal operation control system and method for circulating water pump of thermal power plant |
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