CN117434910A - Intelligent operation control system of power plant denitration agent supply pump based on Internet of things - Google Patents
Intelligent operation control system of power plant denitration agent supply pump based on Internet of things Download PDFInfo
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- CN117434910A CN117434910A CN202311752983.XA CN202311752983A CN117434910A CN 117434910 A CN117434910 A CN 117434910A CN 202311752983 A CN202311752983 A CN 202311752983A CN 117434910 A CN117434910 A CN 117434910A
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 372
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 84
- 238000012544 monitoring process Methods 0.000 claims description 78
- 238000004458 analytical method Methods 0.000 claims description 72
- 238000000034 method Methods 0.000 claims description 52
- 239000007789 gas Substances 0.000 claims description 36
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 24
- 239000003546 flue gas Substances 0.000 claims description 24
- 239000000779 smoke Substances 0.000 claims description 23
- 238000005070 sampling Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 20
- 238000012937 correction Methods 0.000 claims description 13
- 238000012216 screening Methods 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 4
- 230000006855 networking Effects 0.000 claims 1
- 239000003034 coal gas Substances 0.000 description 3
- 229930014626 natural product Natural products 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32252—Scheduling production, machining, job shop
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention relates to the field of operation control of a denitration agent supply pump of a power plant, and particularly discloses an intelligent operation control system of the denitration agent supply pump of the power plant based on the Internet of things, which is used for judging whether the operation parameters of the denitration agent supply pump need to be regulated or not by comparing the proper operation parameters and the actual operation parameters of the denitration agent supply pump, further acquiring the regulation direction and the regulation quantity of the operation parameters of the denitration agent supply pump, dynamically and concomitantly regulating the operation parameters of the denitration agent supply pump, and has higher flexibility and intelligence; the noise coefficient, the vibration coefficient and the temperature coincidence degree of the denitration agent supply pump are obtained, whether the denitration agent supply pump has fault hidden danger or not is judged, early warning is carried out, hidden danger possibly existing in the denitration agent supply pump is early warned and intervened in advance, the fault risk of the denitration agent supply pump is prevented from being happened, and accordingly stable operation and working efficiency of a denitration system are guaranteed.
Description
Technical Field
The invention relates to the field of operation control of a denitration agent supply pump of a power plant, in particular to an intelligent operation control system of the denitration agent supply pump of the power plant based on the Internet of things.
Background
The waste heat double super power generation of the coal gas is an important production procedure of waste recycling, energy saving, consumption reduction, cost reduction and efficiency enhancement in the metallurgical industry, the flue gas after the coal gas boiler burns the coal gas is purified by a denitration environment-friendly facility to reach the environment-friendly emission standard, if a denitration agent supply pump fails, the nitrogen oxide index is over-limited, the safety and the stability of a denitration system are seriously influenced, and meanwhile, the environment-friendly emission is very easy to be substandard, and the environment-friendly emission of enterprises is influenced. Therefore, the monitoring and control of the operation of the denitration agent feed pump in the power plant are of great significance.
The existing operation control method of the denitration agent supply pump in the power plant has some defects: in the first aspect, the existing method often sets the operation parameters of the denitration agent feed pump, such as the flow, the pressure, the operation speed and the like, to a fixed value in advance, but does not combine the working state of the flue gas denitration system to dynamically adjust the operation parameters of the denitration agent feed pump in a following way, so that the flexibility and the intelligence are low, and the operation parameters of the denitration agent feed pump cannot be in an optimal state, even out of control, but the flow of the denitration agent feed pump is out of control, which may cause insufficient or excessive supply, influence the normal operation of the denitration system, the pressure is out of control, which may cause too high or too low supply pressure, influence the uniform distribution of the denitration agent, cause the safety problems of pipeline breakage and the like, and the operation speed is out of control, which may cause the problems of unstable supply, overload of the pump and the like, so that the existing method cannot guarantee the efficient operation and the safety performance of the denitration system.
In the second aspect, most of the existing methods adopt measures of post-treatment after the fault of the denitration agent supply pump, and lack pre-warning and intervention, namely when the denitration agent supply pump does not have the fault, whether the denitration agent supply pump has hidden danger or not is not further monitored, and pre-warning treatment is performed in advance, so that the fault risk of the denitration agent supply pump cannot be prevented, and the stable operation and the working efficiency of the denitration system cannot be ensured.
Disclosure of Invention
Aiming at the problems, the invention provides an intelligent operation control system for a power plant denitration agent supply pump based on the Internet of things, which realizes the function of controlling the operation of the power plant denitration agent supply pump.
The technical scheme adopted for solving the technical problems is as follows: the invention provides an intelligent operation control system of a power plant denitration agent supply pump based on the Internet of things, which comprises the following components: and a proper operation parameter analysis module of the denitration agent supply pump: the method is used for acquiring the concentration of nitrogen oxides in the flue gas discharged by the gas boiler in the target power plant and the flow of the flue gas in the monitoring period, acquiring the pipeline information of the denitration agent supply pump in the target power plant, and analyzing the proper operation parameters of the denitration agent supply pump in the target power plant, wherein the operation parameters comprise the flow, the pressure and the operation speed.
The denitration agent supply pump operation parameter matching analysis module: the method is used for acquiring the actual operation parameters of the denitration agent supply pump in the target power plant, comparing the actual operation parameters with the proper operation parameters of the denitration agent supply pump in the target power plant, and analyzing the operation parameter matching coefficients of the denitration agent supply pump in the target power plant.
The denitration agent supply pump operation parameter adjusting and judging module: and the control module is used for judging whether the operation parameters of the denitration agent feed pump in the target power plant need to be adjusted according to the operation parameter matching coefficient of the denitration agent feed pump in the target power plant, and if so, acquiring the adjustment direction and the adjustment quantity of the operation parameters of the denitration agent feed pump in the target power plant, and further regulating and controlling the operation parameters of the denitration agent feed pump in the target power plant.
The denitration agent supply pump operating condition monitoring module: the method is used for acquiring the noise coefficient, the vibration coefficient and the temperature coincidence degree of the denitration agent supply pump in the target power plant in the monitoring period and analyzing the fault hidden danger index of the denitration agent supply pump in the target power plant.
The denitration agent supply pump fault early warning feedback module: and the system is used for judging whether the denitration agent supply pump in the target power plant has fault hidden danger according to the fault hidden danger index of the denitration agent supply pump in the target power plant and carrying out early warning.
Database: the method is used for storing the flow of the denitration agent supply pump corresponding to each range of the concentration of nitrogen oxides in the exhaust gas of the gas boiler in the target power plant and each range of the flow of the exhaust gas, storing the pressure of the denitration agent supply pump corresponding to each range of the resistance coefficient of the pipeline of the denitration agent supply pump in the target power plant, and storing the temperature reference characteristic curve of the denitration agent.
On the basis of the embodiment, the specific analysis process of the proper operation parameter analysis module of the denitration agent supply pump comprises the following steps: and setting the duration of the monitoring period, and setting each sampling time point in the monitoring period according to a preset equal time interval principle.
And acquiring the concentration of nitrogen oxides in the flue gas discharged by the gas boiler in the target power plant and the flue gas flow in the monitoring period.
Obtaining pipeline information of a denitration agent supply pump in a target power plant, obtaining the total length of pipelines, the number of bent pipe sections and the total length of the bent pipe sections of the denitration agent supply pump in the target power plant, and respectively recording the pipeline information, the number of bent pipe sections and the total length of the bent pipe sections asArranging detection points on the pipeline of the denitration agent supply pump in the target power plant according to a preset principle, acquiring the thickness of foreign matters attached to the inner wall of each detection point of the pipeline of the denitration agent supply pump in the target power plant, and recording the thickness as，Represent the firstThe number of the detection points,。
by analysis of formulasObtaining the pipeline resistance coefficient of the denitration agent supply pump in the target power plantWhereinA correction factor representing a preset pipe resistance coefficient,indicating a preset threshold value of the total length of the pipeline of the denitration agent supply pump,respectively representing the number of unit bend sections of the preset denitration agent supply pump and the corresponding influence factors of the length of the unit bend sections,and (5) representing a preset threshold value of the thickness of foreign matters attached to the inner wall of the pipeline of the denitration agent supply pump.
On the basis of the above embodiment, the specific analysis process of the appropriate operation parameter analysis module of the denitration agent supply pump further includes: extracting the flow of a denitration agent supply pump corresponding to each range of the concentration of nitrogen oxides in exhaust smoke of a gas boiler in a target power plant and each range of the flow of the smoke stored in a database, and respectively screening to obtain the nitrogen oxides in the exhaust smoke of the gas boiler in the target power plant in the monitoring period according to the concentration of the nitrogen oxides in the exhaust smoke of the gas boiler in the target power plant and the flow of the smoke in the monitoring periodThe flow of the denitration agent supply pump corresponding to the object concentration and the flue gas flow is further analyzed and the flow suitable for the denitration agent supply pump in the target power plant is recorded as。
On the basis of the above embodiment, the specific analysis process of the appropriate operation parameter analysis module of the denitration agent supply pump further includes: extracting the denitrifying agent supply pump pressure corresponding to each pipeline resistance coefficient range of the denitrifying agent supply pump in the target power plant stored in the database, screening and obtaining the denitrifying agent supply pump pressure corresponding to the pipeline resistance coefficient of the denitrifying agent supply pump in the target power plant according to the pipeline resistance coefficient of the denitrifying agent supply pump in the target power plant, further analyzing the pressure suitable for the denitrifying agent supply pump in the target power plant, and marking the pressure as。
Substituting the proper flow and pressure of the denitration agent supply pump in the target power plant into a preset relation function between the flow, pressure and operation speed of the denitration agent supply pump in the target power plant to obtain the operation speed corresponding to the proper flow and pressure of the denitration agent supply pump in the target power plant, and recording the operation speed as the proper operation speed of the denitration agent supply pump in the target power plant and representing the operation speed as。
Based on the above embodiment, the specific analysis process of the operation parameter matching analysis module of the denitration agent supply pump is as follows: the actual flow, pressure and running speed of the denitration agent supply pump in the target power plant are respectively recorded as、And。
by passing throughAnalytical formulaObtaining flow matching coefficient of denitration agent supply pump in target power plantWhereinA correction factor representing a flow rate matching coefficient of a preset denitration agent feed pump,a threshold value representing a difference between a preset actual flow rate and an appropriate flow rate of the denitration agent supply pump.
And similarly, according to an analysis method of the flow matching coefficient of the denitration agent feed pump in the target power plant, acquiring the pressure matching coefficient and the running speed matching coefficient of the denitration agent feed pump in the target power plant.
On the basis of the above embodiment, the specific analysis process of the operation parameter adjustment and judgment module of the denitration agent supply pump includes: and D1, comparing a flow matching coefficient of the denitration agent feed pump in the target power plant with a preset flow matching coefficient threshold, and if the flow matching coefficient of the denitration agent feed pump in the target power plant is smaller than the preset flow matching coefficient threshold, adjusting the flow of the denitration agent feed pump in the target power plant.
And D2, judging whether the pressure and the running speed of the denitration agent supply pump in the target power plant need to be regulated or not according to the analysis method of D1.
On the basis of the foregoing embodiment, the specific analysis process of the operation parameter adjustment and judgment module of the denitration agent supply pump further includes: f1: the difference obtained by subtracting the proper flow from the actual flow of the denitration agent feed pump in the target power plant is recorded as the flow deviation of the denitration agent feed pump in the target power plant, and the absolute value of the flow deviation of the denitration agent feed pump in the target power plant is obtained and is used as the adjustment quantity of the flow of the denitration agent feed pump in the target power plant.
And acquiring a sign of the flow deviation of the denitration agent feed pump in the target power plant, and further acquiring the adjustment direction of the flow of the denitration agent feed pump in the target power plant.
F2: similarly, according to the analysis method of F1, the adjustment direction and the adjustment amount of the pressure and the operation speed of the denitration agent feed pump in the target power plant are obtained.
On the basis of the above embodiment, the specific analysis process of the working state monitoring module of the denitration agent supply pump includes: acquiring the noise volume of the denitration agent supply pump in the target power plant at each sampling time point in the monitoring period, further analyzing the noise coefficient of the denitration agent supply pump in the target power plant in the monitoring period, and recording the noise coefficient as。
Arranging each vibration detection point on the surface of the denitration agent supply pump in the target power plant according to a preset principle, acquiring the vibration displacement of each vibration detection point on the surface of the denitration agent supply pump in the target power plant at each sampling time point in the monitoring period, further analyzing the vibration coefficient of the denitration agent supply pump in the target power plant in the monitoring period, and recording the vibration coefficient as。
Acquiring the temperature of the denitration agent in the denitration agent supply pump in the target power plant at each sampling time point in the monitoring period, drawing a characteristic curve of the temperature of the denitration agent in the denitration agent supply pump in the target power plant in the monitoring period, further acquiring the coincidence degree of the temperature of the denitration agent in the denitration agent supply pump in the target power plant in the monitoring period, and recording the coincidence degree as。
On the basis of the above embodiment, the specific analysis process of the working state monitoring module of the denitration agent supply pump further includes: the historical failure times of the denitration agent supply pump and the pipeline rust area in the target power plant are obtained and respectively recorded as。
By analysis of formulasObtaining fault hidden trouble index of denitration agent supply pump in target power plantWhereinA correction factor representing a predetermined fault risk index,represents a natural constant of the natural product,respectively representing the weight values of the preset noise coefficient, vibration coefficient and temperature coincidence degree of the denitration agent,，respectively representing the preset unit fault times and the corresponding influence factors of the unit rust area.
Based on the above embodiment, the specific analysis process of the fault early warning feedback module of the denitration agent supply pump is as follows: and comparing the fault hidden danger index of the denitration agent supply pump in the target power plant with a preset fault hidden danger index early warning value, and if the fault hidden danger index of the denitration agent supply pump in the target power plant is larger than the preset fault hidden danger index early warning value, carrying out early warning on the fault hidden danger of the denitration agent supply pump in the target power plant and feeding back to a safety management department of the target power plant.
Compared with the prior art, the intelligent operation control system for the power plant denitration agent supply pump based on the Internet of things has the following beneficial effects: 1. according to the invention, through analyzing the proper flow, pressure and operation speed of the denitration agent supply pump and combining the actual operation parameters of the denitration agent supply pump, the operation parameter matching coefficient of the denitration agent supply pump is analyzed, whether the operation parameters of the denitration agent supply pump need to be regulated or not is judged, and the regulation direction and the regulation quantity of the operation parameters of the denitration agent supply pump are further obtained; the operation parameters of the denitration agent feed pump can be dynamically and followly adjusted, and the flexibility and the intelligence are high, so that the high-efficiency operation and the safety performance of the denitration system are ensured.
2. According to the invention, through obtaining the noise coefficient, the vibration coefficient and the temperature coincidence degree of the denitration agent supply pump, the fault hidden danger index of the denitration agent supply pump is analyzed, whether the denitration agent supply pump has fault hidden danger or not is judged, and early warning is carried out; potential hazards possibly existing in the denitration agent supply pump are pre-warned and intervened in advance, so that risks of faults of the denitration agent supply pump are prevented and reduced, and stable operation and working efficiency of the denitration system are guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a diagram illustrating a system module connection according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the invention provides an intelligent operation control system of a power plant denitration agent supply pump based on the internet of things, which comprises a denitration agent supply pump proper operation parameter analysis module, a denitration agent supply pump operation parameter matching analysis module, a denitration agent supply pump operation parameter adjustment judgment module, a denitration agent supply pump working state monitoring module, a denitration agent supply pump fault early warning feedback module and a database.
The denitration agent supply pump operation parameter matching analysis module is respectively connected with the denitration agent supply pump proper operation parameter analysis module and the denitration agent supply pump operation parameter adjustment judgment module, the denitration agent supply pump operation state monitoring module is respectively connected with the denitration agent supply pump operation parameter adjustment judgment module and the denitration agent supply pump fault early warning feedback module, and the database is respectively connected with the denitration agent supply pump proper operation parameter analysis module and the denitration agent supply pump operation state monitoring module.
The proper operation parameter analysis module of the denitration agent supply pump is used for acquiring the concentration of nitrogen oxides and the flow of the flue gas in the flue gas discharged by the gas boiler in the target power plant in the monitoring period, acquiring the pipeline information of the denitration agent supply pump in the target power plant and analyzing the proper operation parameters of the denitration agent supply pump in the target power plant, wherein the operation parameters comprise the flow, the pressure and the operation speed.
Further, the specific analysis process of the proper operation parameter analysis module of the denitration agent supply pump comprises the following steps: and setting the duration of the monitoring period, and setting each sampling time point in the monitoring period according to a preset equal time interval principle.
And acquiring the concentration of nitrogen oxides in the flue gas discharged by the gas boiler in the target power plant and the flue gas flow in the monitoring period.
As a preferable scheme, the method for acquiring the concentration of nitrogen oxides and the flow of the flue gas in the flue gas discharged by the gas boiler in the target power plant in the monitoring period comprises the following steps: and acquiring the concentration of nitrogen oxides in the exhaust smoke of the gas boiler in the target power plant at each sampling time point in the monitoring period and the smoke flow, comparing the concentration of the nitrogen oxides in the exhaust smoke of the gas boiler in the target power plant at each sampling time point in the monitoring period with the smoke flow, and recording the mode as the concentration of the nitrogen oxides in the exhaust smoke of the gas boiler in the target power plant and the smoke flow in the monitoring period.
Obtaining pipeline information of a denitration agent supply pump in a target power plant, obtaining the total length of pipelines, the number of bent pipe sections and the total length of the bent pipe sections of the denitration agent supply pump in the target power plant, and respectively recording the pipeline information, the number of bent pipe sections and the total length of the bent pipe sections asArranging detection points on the pipeline of the denitration agent supply pump in the target power plant according to a preset principle, acquiring the thickness of foreign matters attached to the inner wall of each detection point of the pipeline of the denitration agent supply pump in the target power plant, and recording the thickness as，Represent the firstThe number of the detection points,。
by analysis of formulasObtaining the pipeline resistance coefficient of the denitration agent supply pump in the target power plantWhereinA correction factor representing a preset pipe resistance coefficient,indicating a preset threshold value of the total length of the pipeline of the denitration agent supply pump,respectively representing the number of unit bend sections of the preset denitration agent supply pump and the corresponding influence factors of the length of the unit bend sections,and (5) representing a preset threshold value of the thickness of foreign matters attached to the inner wall of the pipeline of the denitration agent supply pump.
As a preferred solution, the concentration of nitrogen oxides in the flue gas emitted by the gas boiler in the target power plant in the monitoring period is obtained by means of a nitrogen oxide concentration monitor or a nitrogen oxide analyzer.
As a preferable scheme, the flue gas flow rate in the flue gas discharged from the gas boiler in the target power plant in the monitoring period can be obtained by means of a flue gas flowmeter, such as a thermal flue gas flowmeter, an ultrasonic flue gas flowmeter, a rotor wing flue gas flowmeter and the like.
As a preferable mode, the thickness of the foreign matter attached to the inner wall of each detection point of the pipe of the denitration agent supply pump in the target power plant is obtained by means of an ultrasonic thickness gauge, a magnetic thickness gauge, a laser distance gauge, or the like.
Further, the specific analysis process of the proper operation parameter analysis module of the denitration agent supply pump further comprises the following steps: extracting the flow of a denitration agent supply pump corresponding to each range of the concentration of nitrogen oxides in exhaust smoke and each range of the flow of the smoke of a gas boiler in a target power plant stored in a database, respectively screening to obtain the flow of the denitration agent supply pump corresponding to the concentration of nitrogen oxides in exhaust smoke of the gas boiler in the target power plant and the flow of the smoke in the monitoring period according to the concentration of nitrogen oxides in exhaust smoke of the gas boiler in the target power plant and the flow of the smoke in the monitoring period, further analyzing the proper flow of the denitration agent supply pump in the target power plant, and marking the flow as the flow of the denitration agent supply pump in the target power plant。
As a preferred scheme, the method for analyzing the proper flow of the denitration agent supply pump in the target power plant comprises the following steps: according to the concentration of nitrogen oxides in the gas boiler exhaust gas and the flow of the gas in the target power plant in the monitoring period, respectively screening to obtain the flow of the denitration agent supply pump corresponding to the concentration of nitrogen oxides in the gas boiler exhaust gas and the flow of the gas in the target power plant in the monitoring period, respectively recording the flow of the denitration agent supply pump as a first reference flow and a second reference flow of the denitration agent supply pump in the target power plant, and respectively representing the flow asBy analysis of the formulaObtaining the proper flow of the denitration agent supply pump in the target power plantWhereinRespectively representing the weight factors of a preset first reference flow and a preset second reference flow,，and a correction amount indicating a proper flow rate of the preset denitration agent supply pump.
Further, the specific analysis process of the proper operation parameter analysis module of the denitration agent supply pump further comprises the following steps: extracting the denitrifying agent supply pump pressure corresponding to each pipeline resistance coefficient range of the denitrifying agent supply pump in the target power plant stored in the database, screening and obtaining the denitrifying agent supply pump pressure corresponding to the pipeline resistance coefficient of the denitrifying agent supply pump in the target power plant according to the pipeline resistance coefficient of the denitrifying agent supply pump in the target power plant, further analyzing the pressure suitable for the denitrifying agent supply pump in the target power plant, and marking the pressure as。
As a preferred scheme, the method for analyzing the proper pressure of the denitration agent supply pump in the target power plant comprises the following steps: screening and obtaining a denitrifying agent supply pump pressure corresponding to the pipeline resistance coefficient of the denitrifying agent supply pump in the target power plant according to the pipeline resistance coefficient of the denitrifying agent supply pump in the target power plant, and recording the denitrifying agent supply pump pressure as a reference pressure of the denitrifying agent supply pump in the target power plant and representing the reference pressure asBy analysis of the formulaObtaining the proper pressure of the denitration agent supply pump in the target power plantWhereinA correction amount indicating the proper pressure of the preset denitration agent supply pump.
Substituting the proper flow and pressure of the denitration agent supply pump in the target power plant into a preset relation function between the flow, pressure and operation speed of the denitration agent supply pump in the target power plant to obtain the operation speed corresponding to the proper flow and pressure of the denitration agent supply pump in the target power plant, and recording the operation speed as the proper operation speed of the denitration agent supply pump in the target power plant and representing the operation speed as。
In a specific embodiment, the operating speed of the denitration agent feed pump refers to the rotational speed of the denitration agent feed pump.
In another embodiment, the operating speed of the denitration agent feed pump refers to the operating frequency of the denitration agent feed pump.
The operation parameter matching analysis module of the denitration agent supply pump is used for acquiring the actual operation parameter of the denitration agent supply pump in the target power plant, comparing the actual operation parameter with the proper operation parameter of the denitration agent supply pump in the target power plant, and analyzing the operation parameter matching coefficient of the denitration agent supply pump in the target power plant.
Further, the specific analysis process of the operation parameter matching analysis module of the denitration agent supply pump is as follows: the actual flow, pressure and running speed of the denitration agent supply pump in the target power plant are respectively recorded as、And。
by analysis of formulasObtaining flow matching coefficient of denitration agent supply pump in target power plantWhereinA correction factor representing a flow rate matching coefficient of a preset denitration agent feed pump,a threshold value representing a difference between a preset actual flow rate and an appropriate flow rate of the denitration agent supply pump.
And similarly, according to an analysis method of the flow matching coefficient of the denitration agent feed pump in the target power plant, acquiring the pressure matching coefficient and the running speed matching coefficient of the denitration agent feed pump in the target power plant.
The denitration agent supply pump operation parameter adjusting and judging module is used for judging whether the operation parameters of the denitration agent supply pump in the target power plant need to be adjusted according to the operation parameter matching coefficient of the denitration agent supply pump in the target power plant, if so, acquiring the adjustment direction and the adjustment quantity of the operation parameters of the denitration agent supply pump in the target power plant, and further adjusting and controlling the operation parameters of the denitration agent supply pump in the target power plant.
Further, the specific analysis process of the operation parameter adjustment judging module of the denitration agent feed pump comprises the following steps: and D1, comparing a flow matching coefficient of the denitration agent feed pump in the target power plant with a preset flow matching coefficient threshold, and if the flow matching coefficient of the denitration agent feed pump in the target power plant is smaller than the preset flow matching coefficient threshold, adjusting the flow of the denitration agent feed pump in the target power plant.
And D2, judging whether the pressure and the running speed of the denitration agent supply pump in the target power plant need to be regulated or not according to the analysis method of D1.
Further, the specific analysis process of the operation parameter adjustment judging module of the denitration agent feed pump further comprises the following steps: f1: the difference obtained by subtracting the proper flow from the actual flow of the denitration agent feed pump in the target power plant is recorded as the flow deviation of the denitration agent feed pump in the target power plant, and the absolute value of the flow deviation of the denitration agent feed pump in the target power plant is obtained and is used as the adjustment quantity of the flow of the denitration agent feed pump in the target power plant.
And acquiring a sign of the flow deviation of the denitration agent feed pump in the target power plant, and further acquiring the adjustment direction of the flow of the denitration agent feed pump in the target power plant.
F2: similarly, according to the analysis method of F1, the adjustment direction and the adjustment amount of the pressure and the operation speed of the denitration agent feed pump in the target power plant are obtained.
As a preferable scheme, the method for acquiring the adjustment direction of the flow of the denitration agent feed pump in the target power plant comprises the following steps: acquiring a sign of flow deviation of the denitration agent supply pump in the target power plant, if the sign is positive, the actual flow of the denitration agent supply pump in the target power plant is larger than the proper flow, and at the moment, the adjustment direction of the flow of the denitration agent supply pump in the target power plant is reduced; if the sign is negative, the actual flow rate of the denitration agent supply pump in the target power plant is smaller than the appropriate flow rate, and the adjustment direction of the flow rate of the denitration agent supply pump in the target power plant is increased.
By analyzing the proper flow, pressure and operation speed of the denitration agent supply pump and combining the actual operation parameters of the denitration agent supply pump, the invention analyzes the operation parameter matching coefficient of the denitration agent supply pump, judges whether the operation parameters of the denitration agent supply pump need to be regulated, and further acquires the regulation direction and the regulation quantity of the operation parameters of the denitration agent supply pump; the operation parameters of the denitration agent feed pump can be dynamically and followly adjusted, and the flexibility and the intelligence are high, so that the high-efficiency operation and the safety performance of the denitration system are ensured.
The working state monitoring module of the denitration agent supply pump is used for acquiring the noise coefficient, the vibration coefficient and the denitration agent temperature coincidence degree of the denitration agent supply pump in the target power plant in the monitoring period and analyzing the fault hidden trouble index of the denitration agent supply pump in the target power plant.
Further, the method comprises the steps of,the specific analysis process of the denitration agent supply pump working state monitoring module comprises the following steps: acquiring the noise volume of the denitration agent supply pump in the target power plant at each sampling time point in the monitoring period, further analyzing the noise coefficient of the denitration agent supply pump in the target power plant in the monitoring period, and recording the noise coefficient as。
As a preferable scheme, the noise coefficient of the denitration agent supply pump in the target power plant in the analysis and monitoring period is as follows: acquiring noise volume of a denitration agent supply pump in a target power plant at each sampling time point in a monitoring period, and recording the noise volume as,Represent the firstThe number of the time points of the samples,by analysis of the formulaObtaining noise coefficient of denitration agent supply pump in target power plant in monitoring periodWhereinA correction factor representing a predetermined noise figure,indicating the number of sampling time points,representing a preset noise volume threshold value,indicating the first time in the monitoring periodNoise volume of the denitration agent supply pump in the target power plant at each sampling time point.
Arranging each vibration detection point on the surface of the denitration agent supply pump in the target power plant according to a preset principle, acquiring the vibration displacement of each vibration detection point on the surface of the denitration agent supply pump in the target power plant at each sampling time point in the monitoring period, further analyzing the vibration coefficient of the denitration agent supply pump in the target power plant in the monitoring period, and recording the vibration coefficient as。
As a preferable scheme, the vibration coefficient of the denitration agent supply pump in the target power plant in the monitoring period is analyzed, and the specific method is as follows: obtaining vibration displacement of each vibration detection point on the surface of a denitration agent supply pump in a target power plant at each sampling time point in a monitoring period, and recording the vibration displacement as，Represent the firstThe number of the vibration detection points,by analysis of the formulaObtaining vibration coefficient of denitration agent supply pump in target power plant in monitoring periodWhereinA correction factor representing a preset vibration coefficient,indicating the number of vibration detection points,indicating a preset vibration displacement threshold value,indicating the first time in the monitoring periodSurface of denitration agent supply pump in target power plant at sampling time pointVibration displacement of the vibration detection points.
Acquiring the temperature of the denitration agent in the denitration agent supply pump in the target power plant at each sampling time point in the monitoring period, drawing a characteristic curve of the temperature of the denitration agent in the denitration agent supply pump in the target power plant in the monitoring period, further acquiring the coincidence degree of the temperature of the denitration agent in the denitration agent supply pump in the target power plant in the monitoring period, and recording the coincidence degree as。
As a preferable scheme, the method for acquiring the temperature coincidence degree of the denitration agent in the denitration agent supply pump in the target power plant in the monitoring period comprises the following steps: drawing a characteristic curve of the temperature of the denitration agent supply pump in the target power plant in the monitoring period, comparing the characteristic curve with a reference characteristic curve of the temperature of the denitration agent stored in a database, obtaining the coincidence degree of the characteristic curve of the temperature of the denitration agent supply pump in the target power plant in the monitoring period and the reference characteristic curve of the temperature of the denitration agent, and recording the coincidence degree as the coincidence degree of the temperature of the denitration agent supply pump in the target power plant in the monitoring period.
As a preferable scheme, a characteristic curve of the temperature of the denitration agent in the denitration agent supply pump in the target power plant in the monitoring period is drawn, and the specific method is as follows: and establishing a coordinate system by taking the sampling time points as independent variables and the temperature as dependent variables, marking corresponding data points in the coordinate system according to the temperature of the denitration agent in the denitration agent supply pump in the target power plant at each sampling time point in the monitoring period, and drawing a denitration agent temperature characteristic curve of the denitration agent supply pump in the target power plant in the monitoring period by using a mathematical model establishing method.
Further, the specific analysis process of the working state monitoring module of the denitration agent supply pump further comprises the following steps: the historical failure times of the denitration agent supply pump and the pipeline rust area in the target power plant are obtained and respectively recorded as。
By analysis of formulasObtaining fault hidden trouble index of denitration agent supply pump in target power plantWhereinA correction factor representing a predetermined fault risk index,represents a natural constant of the natural product,respectively representing the weight values of the preset noise coefficient, vibration coefficient and temperature coincidence degree of the denitration agent,，respectively representing the preset unit fault times and the corresponding influence factors of the unit rust area.
The denitration agent supply pump fault early warning feedback module is used for judging whether the denitration agent supply pump in the target power plant has fault hidden danger or not according to the fault hidden danger index of the denitration agent supply pump in the target power plant, and carrying out early warning.
Further, the specific analysis process of the fault early warning feedback module of the denitration agent supply pump is as follows: and comparing the fault hidden danger index of the denitration agent supply pump in the target power plant with a preset fault hidden danger index early warning value, and if the fault hidden danger index of the denitration agent supply pump in the target power plant is larger than the preset fault hidden danger index early warning value, carrying out early warning on the fault hidden danger of the denitration agent supply pump in the target power plant and feeding back to a safety management department of the target power plant.
The method comprises the steps of obtaining noise coefficient, vibration coefficient and temperature coincidence degree of a denitration agent supply pump, analyzing fault hidden danger index of the denitration agent supply pump, judging whether fault hidden danger exists in the denitration agent supply pump or not, and carrying out early warning; potential hazards possibly existing in the denitration agent supply pump are pre-warned and intervened in advance, so that risks of faults of the denitration agent supply pump are prevented and reduced, and stable operation and working efficiency of the denitration system are guaranteed.
The database is used for storing the flow of the denitration agent supply pump corresponding to each range of the concentration of nitrogen oxides in exhaust gas of a gas boiler furnace in the target power plant and each range of the flow of the exhaust gas and the corresponding denitration agent supply pump pressure corresponding to each range of the resistance coefficient of each pipeline of the denitration agent supply pump in the target power plant, and storing the denitration agent temperature reference characteristic curve.
The foregoing is merely illustrative and explanatory of the principles of this invention, as various modifications and additions may be made to the specific embodiments described, or similar arrangements may be substituted by those skilled in the art, without departing from the principles of this invention or beyond the scope of this invention as defined in the claims.
Claims (10)
1. Intelligent operation control system of power plant denitration agent feed pump based on thing networking, its characterized in that includes:
and a proper operation parameter analysis module of the denitration agent supply pump: the method comprises the steps of acquiring the concentration of nitrogen oxides in the flue gas discharged by a gas boiler in a target power plant and the flow of the flue gas in a monitoring period, acquiring the pipeline information of a denitration agent supply pump in the target power plant, and analyzing the proper operation parameters of the denitration agent supply pump in the target power plant, wherein the operation parameters comprise flow, pressure and operation speed;
the denitration agent supply pump operation parameter matching analysis module: the method comprises the steps of obtaining actual operation parameters of a denitration agent supply pump in a target power plant, comparing the actual operation parameters with proper operation parameters of the denitration agent supply pump in the target power plant, and analyzing operation parameter matching coefficients of the denitration agent supply pump in the target power plant;
the denitration agent supply pump operation parameter adjusting and judging module: the method comprises the steps of judging whether the operation parameters of a denitration agent feed pump in a target power plant need to be adjusted according to the operation parameter matching coefficient of the denitration agent feed pump in the target power plant, if so, acquiring the adjustment direction and the adjustment quantity of the operation parameters of the denitration agent feed pump in the target power plant, and further adjusting and controlling the operation parameters of the denitration agent feed pump in the target power plant;
the denitration agent supply pump operating condition monitoring module: the method comprises the steps of acquiring noise coefficient, vibration coefficient and temperature coincidence degree of a denitration agent supply pump in a target power plant in a monitoring period, and analyzing fault hidden danger index of the denitration agent supply pump in the target power plant;
the denitration agent supply pump fault early warning feedback module: the method comprises the steps of judging whether the denitration agent supply pump in a target power plant has fault hidden danger or not according to the fault hidden danger index of the denitration agent supply pump in the target power plant, and carrying out early warning;
database: the method is used for storing the flow of the denitration agent supply pump corresponding to each range of the concentration of nitrogen oxides in the exhaust gas of the gas boiler in the target power plant and each range of the flow of the exhaust gas, storing the pressure of the denitration agent supply pump corresponding to each range of the resistance coefficient of the pipeline of the denitration agent supply pump in the target power plant, and storing the temperature reference characteristic curve of the denitration agent.
2. The intelligent operation control system of a power plant denitration agent supply pump based on the internet of things according to claim 1, wherein: the specific analysis process of the proper operation parameter analysis module of the denitration agent supply pump comprises the following steps:
setting the duration of a monitoring period, and setting each sampling time point in the monitoring period according to a preset equal time interval principle;
acquiring the concentration of nitrogen oxides in the flue gas discharged by a gas boiler in a target power plant and the flow of the flue gas in a monitoring period;
obtaining pipeline information of a denitration agent supply pump in a target power plant, obtaining the total length of pipelines, the number of bent pipe sections and the total length of the bent pipe sections of the denitration agent supply pump in the target power plant, and respectively recording the pipeline information, the number of bent pipe sections and the total length of the bent pipe sections asArranging detection points on the pipeline of the denitration agent supply pump in the target power plant according to a preset principle, acquiring the thickness of foreign matters attached to the inner wall of each detection point of the pipeline of the denitration agent supply pump in the target power plant, and marking the thickness as +.>，/>Indicate->Number of detection points>；
By analysis of formulasObtaining the coefficient of pipe resistance of the denitration agent supply pump in the target power plant +.>Wherein->Correction factor representing preset pipe resistance coefficient, < ->Indicating a preset threshold value of the total length of the denitration agent supply pump pipeline,/->Respectively representing the number of unit bend sections of the preset denitration agent supply pump and the corresponding influence factors of the length of the unit bend sections, < ->And (5) representing a preset threshold value of the thickness of foreign matters attached to the inner wall of the pipeline of the denitration agent supply pump.
3. The intelligent operation control system of the power plant denitration agent supply pump based on the internet of things according to claim 2, wherein: the specific analysis process of the proper operation parameter analysis module of the denitration agent supply pump further comprises the following steps:
extracting the flow of a denitration agent supply pump corresponding to each range of the concentration of nitrogen oxides in exhaust smoke and each range of the flow of the smoke of a gas boiler in a target power plant stored in a database, respectively screening to obtain the flow of the denitration agent supply pump corresponding to the concentration of nitrogen oxides in exhaust smoke of the gas boiler in the target power plant and the flow of the smoke in the monitoring period according to the concentration of nitrogen oxides in exhaust smoke of the gas boiler in the target power plant and the flow of the smoke in the monitoring period, further analyzing the proper flow of the denitration agent supply pump in the target power plant, and marking the flow as the flow of the denitration agent supply pump in the target power plant。
4. The intelligent operation control system for a power plant denitration agent supply pump based on the internet of things according to claim 3, wherein: the specific analysis process of the proper operation parameter analysis module of the denitration agent supply pump further comprises the following steps:
extracting the pressure of the denitration agent supply pump corresponding to each pipeline resistance coefficient range of the denitration agent supply pump in the target power plant stored in the database, screening and obtaining the pressure of the denitration agent supply pump corresponding to the pipeline resistance coefficient of the denitration agent supply pump in the target power plant according to the pipeline resistance coefficient of the denitration agent supply pump in the target power plant, and further analyzing the target hairThe appropriate pressure of the denitration agent supply pump in the power plant is recorded as；
Substituting the proper flow and pressure of the denitration agent supply pump in the target power plant into a preset relation function between the flow, pressure and operation speed of the denitration agent supply pump in the target power plant to obtain the operation speed corresponding to the proper flow and pressure of the denitration agent supply pump in the target power plant, and recording the operation speed as the proper operation speed of the denitration agent supply pump in the target power plant and representing the operation speed as。
5. The intelligent operation control system for the denitration agent supply pump of the power plant based on the Internet of things according to claim 4, wherein: the specific analysis process of the denitration agent supply pump operation parameter matching analysis module is as follows:
the actual flow, pressure and running speed of the denitration agent supply pump in the target power plant are respectively recorded as、And->；
By analysis of formulasObtaining the flow matching coefficient of the denitration agent feed pump in the target power plant +.>Wherein->Correction factor representing the flow rate matching coefficient of a preset denitration agent supply pump, < >>A threshold value representing a difference between a preset actual flow rate and an appropriate flow rate of the denitration agent supply pump;
and similarly, according to an analysis method of the flow matching coefficient of the denitration agent feed pump in the target power plant, acquiring the pressure matching coefficient and the running speed matching coefficient of the denitration agent feed pump in the target power plant.
6. The intelligent operation control system of a power plant denitration agent supply pump based on the internet of things according to claim 1, wherein: the specific analysis process of the denitration agent supply pump operation parameter adjusting and judging module comprises the following steps:
d1, comparing a flow matching coefficient of a denitration agent supply pump in a target power plant with a preset flow matching coefficient threshold, and if the flow matching coefficient of the denitration agent supply pump in the target power plant is smaller than the preset flow matching coefficient threshold, adjusting the flow of the denitration agent supply pump in the target power plant;
and D2, judging whether the pressure and the running speed of the denitration agent supply pump in the target power plant need to be regulated or not according to the analysis method of D1.
7. The intelligent operation control system for the power plant denitration agent supply pump based on the internet of things according to claim 6, wherein: the specific analysis process of the denitration agent supply pump operation parameter adjusting and judging module further comprises the following steps:
f1: obtaining a difference value obtained by subtracting a proper flow from the actual flow of the denitration agent supply pump in the target power plant, recording the difference value as a flow deviation of the denitration agent supply pump in the target power plant, obtaining an absolute value of the flow deviation of the denitration agent supply pump in the target power plant, and taking the absolute value as an adjustment quantity of the flow of the denitration agent supply pump in the target power plant;
acquiring a sign of flow deviation of the denitration agent feed pump in the target power plant, and further acquiring a regulating direction of the flow of the denitration agent feed pump in the target power plant;
f2: similarly, according to the analysis method of F1, the adjustment direction and the adjustment amount of the pressure and the operation speed of the denitration agent feed pump in the target power plant are obtained.
8. The intelligent operation control system of the power plant denitration agent supply pump based on the internet of things according to claim 2, wherein: the specific analysis process of the denitration agent supply pump working state monitoring module comprises the following steps:
acquiring the noise volume of the denitration agent supply pump in the target power plant at each sampling time point in the monitoring period, further analyzing the noise coefficient of the denitration agent supply pump in the target power plant in the monitoring period, and recording the noise coefficient as；
Arranging each vibration detection point on the surface of the denitration agent supply pump in the target power plant according to a preset principle, acquiring the vibration displacement of each vibration detection point on the surface of the denitration agent supply pump in the target power plant at each sampling time point in the monitoring period, further analyzing the vibration coefficient of the denitration agent supply pump in the target power plant in the monitoring period, and recording the vibration coefficient as；
Acquiring the temperature of the denitration agent in the denitration agent supply pump in the target power plant at each sampling time point in the monitoring period, drawing a characteristic curve of the temperature of the denitration agent in the denitration agent supply pump in the target power plant in the monitoring period, further acquiring the coincidence degree of the temperature of the denitration agent in the denitration agent supply pump in the target power plant in the monitoring period, and recording the coincidence degree as。
9. The intelligent operation control system of the power plant denitration agent supply pump based on the internet of things of claim 8, wherein: the specific analysis process of the denitration agent supply pump working state monitoring module further comprises the following steps:
the historical failure times of the denitration agent supply pump and the pipeline rust area in the target power plant are obtained and respectively recorded as；
By analysis of formulasObtaining a fault risk index of a denitration agent supply pump in a target power plant +.>Wherein->Correction factor representing a preset fault risk index, < ->Representing natural constant->Respectively representing the weight values of the preset noise coefficient, vibration coefficient and temperature coincidence degree of the denitration agent,，/>respectively representing the preset unit fault times and the corresponding influence factors of the unit rust area.
10. The intelligent operation control system of a power plant denitration agent supply pump based on the internet of things according to claim 1, wherein: the specific analysis process of the denitration agent supply pump fault early warning feedback module is as follows:
and comparing the fault hidden danger index of the denitration agent supply pump in the target power plant with a preset fault hidden danger index early warning value, and if the fault hidden danger index of the denitration agent supply pump in the target power plant is larger than the preset fault hidden danger index early warning value, carrying out early warning on the fault hidden danger of the denitration agent supply pump in the target power plant and feeding back to a safety management department of the target power plant.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013132566A (en) * | 2011-12-26 | 2013-07-08 | Hitachi Zosen Corp | Reducing agent supply method and reducing agent supply device for incinerator |
| JP2013176733A (en) * | 2012-02-28 | 2013-09-09 | Mitsubishi Heavy Ind Ltd | Denitration device and reducing agent distribution adjusting method of denitration device |
| CN203673364U (en) * | 2013-12-30 | 2014-06-25 | 北京工业大学 | Selective catalytic reduction (SCR) denitration efficiency monitoring and controlling system for cement mill |
| CN104504237A (en) * | 2014-11-21 | 2015-04-08 | 国家电网公司 | Automatic diagnosis and discrimination model of data for denitrification system of coal-fired power plant |
| CN105487377A (en) * | 2016-01-05 | 2016-04-13 | 江苏紫光吉地达环境科技有限公司 | Fuzzy controller of denitrated urea pyrolysis process |
| CN111639742A (en) * | 2020-05-22 | 2020-09-08 | 安徽科技学院 | System and method for diagnosing state fault of desulfurization and denitrification circulating pump |
| CN111753396A (en) * | 2020-05-22 | 2020-10-09 | 安徽科技学院 | Desulfurization and denitrification circulating pump fault diagnosis method based on mechanism-data driving model |
| CN215506319U (en) * | 2021-07-27 | 2022-01-14 | 广州纳捷环保科技有限公司 | Automatic denitration control system |
| CN116185087A (en) * | 2023-05-04 | 2023-05-30 | 科大智能物联技术股份有限公司 | Closed-loop deamination control system based on machine learning |
-
2023
- 2023-12-20 CN CN202311752983.XA patent/CN117434910B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013132566A (en) * | 2011-12-26 | 2013-07-08 | Hitachi Zosen Corp | Reducing agent supply method and reducing agent supply device for incinerator |
| JP2013176733A (en) * | 2012-02-28 | 2013-09-09 | Mitsubishi Heavy Ind Ltd | Denitration device and reducing agent distribution adjusting method of denitration device |
| CN203673364U (en) * | 2013-12-30 | 2014-06-25 | 北京工业大学 | Selective catalytic reduction (SCR) denitration efficiency monitoring and controlling system for cement mill |
| CN104504237A (en) * | 2014-11-21 | 2015-04-08 | 国家电网公司 | Automatic diagnosis and discrimination model of data for denitrification system of coal-fired power plant |
| CN105487377A (en) * | 2016-01-05 | 2016-04-13 | 江苏紫光吉地达环境科技有限公司 | Fuzzy controller of denitrated urea pyrolysis process |
| CN111639742A (en) * | 2020-05-22 | 2020-09-08 | 安徽科技学院 | System and method for diagnosing state fault of desulfurization and denitrification circulating pump |
| CN111753396A (en) * | 2020-05-22 | 2020-10-09 | 安徽科技学院 | Desulfurization and denitrification circulating pump fault diagnosis method based on mechanism-data driving model |
| CN215506319U (en) * | 2021-07-27 | 2022-01-14 | 广州纳捷环保科技有限公司 | Automatic denitration control system |
| CN116185087A (en) * | 2023-05-04 | 2023-05-30 | 科大智能物联技术股份有限公司 | Closed-loop deamination control system based on machine learning |
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