CN110968024A - Method for collecting data of various different complete equipment of sewage plant - Google Patents
Method for collecting data of various different complete equipment of sewage plant Download PDFInfo
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- CN110968024A CN110968024A CN201910974159.6A CN201910974159A CN110968024A CN 110968024 A CN110968024 A CN 110968024A CN 201910974159 A CN201910974159 A CN 201910974159A CN 110968024 A CN110968024 A CN 110968024A
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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
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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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
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1105—I-O
Abstract
The invention discloses a method for acquiring data of various different complete equipment of a sewage plant, which comprises the following steps: step one, configuring a field PLC system; secondly, configuring a monitoring center system; step three, signal acquisition; step four, signal transmission; step five, data display processing; step six, data storage; the method comprises the following steps that a No. 1 PLC control station is configured at a sludge dewatering machine room workstation of a sewage plant and is responsible for collecting water quality data of water inlet of the water plant, a No. 2 PLC control station is configured at a blower room workstation and is responsible for collecting CASS pool water quality data, a No. 3 PLC control station is configured at a biological aerated filter workstation and is responsible for collecting water quality data of the biological aerated filter, and a No. 4 PLC control station is configured at a V-shaped filter workstation and is responsible for collecting water quality data of the V-shaped filter; the invention improves the data acquisition efficiency, can simultaneously acquire various parameters by matching the PLC system with the upper software compiled by C #, has simple operation, greatly reduces the workload of personnel and improves the utilization rate of energy and equipment.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a method for acquiring data of various different complete equipment of a sewage plant.
Background
Sewage treatment is the process of purifying sewage for the purpose of ensuring that the sewage reaches the water quality requirement of being discharged into a certain water body or being reused, the sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and the sewage treatment also increasingly enters the daily life of common people, sewage plants treat the sewage through various different complete sets of equipment, the existing sewage plant data acquisition samples through manpower, the acquisition is inconvenient, the efficiency is low, various parameters are troublesome to acquire, and the sewage treatment effect is influenced, so that the method for designing various different complete sets of equipment data acquisition of the sewage plant is necessary.
Disclosure of Invention
The invention aims to provide a method for acquiring data of a plurality of different sets of equipment in a sewage plant, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the method for collecting data of a plurality of different sets of equipment in a sewage plant comprises the following steps: step one, configuring a field PLC system; secondly, configuring a monitoring center system; step three, signal acquisition; step four, signal transmission; step five, data display processing; step six, data storage;
wherein in the first step, a No. 1 PLC control station is configured at a work station of a sludge dewatering machine room of a sewage plant and is responsible for collecting the water quality data of inlet water of the water plant, and the state acquisition of a grating system, a rotational flow sand setting system and a sludge concentration system and the control of the equipment, a No. 2 PLC control station is configured at the workstation of the blower room and is responsible for collecting water quality data of the CASS tank, and the collection of the states of the stirring system, the decanting system and the aeration system and the control of the equipment, a No. 3 PLC control station is configured at the biological aerated filter workstation and is responsible for collecting the water quality data of the biological aerated filter, and the collection of the equipment states of the secondary lifting system, the aeration system and the back washing system and the control of the equipment, a 4# PLC control station is configured at the V-shaped filter workstation and is responsible for acquiring water quality data of the V-shaped filter, acquiring equipment states of a backwashing system and a water outlet system and controlling the equipment;
in the second step, an engineer and an operator station are arranged in the central control room, wherein the engineer and the operator station mainly comprise two sets of redundant operation stations, a set of projectors, a fault printer, a chart printer and a set of UPS power supply;
in the third step, various parameter signals of a sewage treatment unit or a field scene are acquired through a field PLC system, and the acquired digital quantity signals comprise manual/automatic signals, operation signals, various fault signals, power signals, equipment start/stop control signals and process flow state signals of electrical equipment, such as upper and lower limits of liquid level and the like; the analog quantity signals collected mainly comprise temperature, pressure, flow, concentration and turbidity, dissolved oxygen, pH value, current and the like; carrying out accumulation and regular zero clearing processing on the flow signal;
in the fourth step, the collected signals are converted into RS-485 signals with large signal transmission rate and long transmission distance, the RS-485 signals are transmitted to a serial server through a shielded twisted pair, and then the serial is read by upper software written by C # language to obtain data;
in the fifth step, the obtained data are provided for operators and managers to perform operation management through an engineer and an operator station of a central control room through a human-computer interface of a system monitoring management computer, are visually displayed after being analyzed and processed, and are recorded in real time and at regular time and are used for producing and printing reports through an information monitoring management computer;
in the sixth step, the measured data is recorded on the hard disk at certain time intervals, and can be stored under various conditions according to the requirements of users, so that the requirements of different users on knowing the working conditions of various stations and monitoring the data in real time are met.
According to the above technical solution, in the second step, the monitoring center management network is divided into two layers: the industrial Ethernet with a layer of 100Mbps adopts an optical fiber industrial Ethernet controller to connect 1 central control room and other sub-control rooms into a local area network, and is connected with an optical fiber link module through an operator station, an engineer station and a communication card, so that the monitoring, control and management of the operator station and the engineer station on field equipment are met, and data sharing is realized; the other layer is a management Ethernet conforming to a TCP/IP protocol, and the functions of file management, copying and remote WEB browsing between an engineer and an operator station are mainly realized through network card connection on the operator station and the engineer station.
According to the above technical solution, in the third step, the parameter signal includes the following data: the relevant data of the sewage are as follows: lifting water amount of daily sewage, lifting water amount of hourly sewage, discharging water amount of outlet daily sewage, and discharging water amount of outlet hourly; the method comprises the following steps of (1) carrying out on-time wastewater inlet water quality data (conventional items such as COD, BOD, SS, TP, TN, NH3-N, PH and the like), 24-hour wastewater inlet water quality data, instantaneous wastewater outlet water quality data and 24-hour effluent water quality data; weekly analyzing water quality project data, and monthly analyzing water quality project data; the sludge related data are: the discharge amount of the residual sludge every day, the lifting amount of a sludge dosing pump of a dehydrator every day, the amount of mud cakes after dehydration and the number of mud cake trucks for transporting outside; adding a chemical proportion into a sludge flocculating agent, wherein the sludge flocculating agent comprises the water content of sludge before dehydration, the water content of sludge after dehydration, organic components of sludge, supernatant SS after dehydration and the like; the process-related data are mainly: sludge concentration MLSS, volatile sludge concentration MLVSS, aeration tank dissolved oxygen DO, sludge sedimentation ratio SV, ORP, the number of indicative microorganisms, structure residence time, residence time of a sludge storage tank, overflow water quality data of the sludge storage tank and the like; the power data mainly includes: the total active power, total idle power, power consumption, lighting consumption, active power, idle power, lighting data and the like of each substation every day; current, voltage value, etc. of each main device (lift pump, blower, etc.); paying electricity fee data and the like; the main data relating to the amount of drug are: the addition amount of a phosphorus removal agent PAC, the addition amount of a sludge dewatered PAM agent, the addition amount of a denitrification carbon source supplementing agent (adding according to actual running water quality), the addition amount of a sewage disinfectant (chemical agent), the unit consumption of chemicals per ton of water, various dosage amounts in a laboratory and the like; the device-related data are mainly: the equipment comprises the following components of equipment category, the number of equipment of each type, equipment installation position, equipment energy consumption, equipment rotating speed, equipment operation time, equipment normal operation parameters, current voltage, pressure, flow, temperature and the like of equipment operation, equipment maintenance period, equipment oiling number period, equipment greasing number period, equipment maintenance times, content, equipment replacement period and replacement time, equipment spare part number information and the like.
According to the technical scheme, in the fourth step, 4-20 mA current signals output by on-site instruments and equipment are converted into RS-485 signals through the A/D analog signal isolation acquisition amplifier, and RS-232 signals output by the on-site instruments and equipment are converted into RS-485 signals through the CKL-106 type converter, so that the reliability and stability of the signals are enhanced.
According to the technical scheme, in the fifth step, some data with excessive deviation are removed.
According to the technical scheme, in the fifth step, the system monitoring management computer has multiple functions of data alarming, trend displaying and the like.
Compared with the prior art, the invention has the beneficial effects that: data exchange and data processing of main website and slave station have been realized to on-the-spot PLC system configuration, the main website is to the control and the human-computer interaction's of each slave station visibility, adopt the C # language to write upper software, programming is simpler, utilize the abundant component storehouse of C # can fine completion to serial data's read-write operation, data acquisition's efficiency has been improved, the upper software of writing through PLC system and C # realizes the collection of sewage factory data, save, can gather multiple parameter simultaneously, the operation is simple, the personnel's work load has significantly reduced, the utilization ratio of energy and equipment has been improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of the method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution:
the method for collecting data of a plurality of different sets of equipment in a sewage plant comprises the following steps: step one, configuring a field PLC system; secondly, configuring a monitoring center system; step three, signal acquisition; step four, signal transmission; step five, data display processing; step six, data storage;
wherein in the first step, a No. 1 PLC control station is configured at a work station of a sludge dewatering machine room of a sewage plant and is responsible for collecting the water quality data of inlet water of the water plant, and the state acquisition of a grating system, a rotational flow sand setting system and a sludge concentration system and the control of the equipment, a No. 2 PLC control station is configured at the workstation of the blower room and is responsible for collecting water quality data of the CASS tank, and the collection of the states of the stirring system, the decanting system and the aeration system and the control of the equipment, a No. 3 PLC control station is configured at the biological aerated filter workstation and is responsible for collecting the water quality data of the biological aerated filter, and the collection of the equipment states of the secondary lifting system, the aeration system and the back washing system and the control of the equipment, a 4# PLC control station is configured at the V-shaped filter workstation and is responsible for acquiring water quality data of the V-shaped filter, acquiring equipment states of a backwashing system and a water outlet system and controlling the equipment;
wherein in the above-mentioned step two, set up engineer and operator's station in the central control room, engineer and operator's station mainly by two sets of each other for redundant operation station, a set of projecting apparatus, a fault printer, a chart printer and a set of UPS power are constituteed, in the step two, the surveillance center management net divide into the second floor: the industrial Ethernet with a layer of 100Mbps adopts an optical fiber industrial Ethernet controller to connect 1 central control room and other sub-control rooms into a local area network, and is connected with an optical fiber link module through an operator station, an engineer station and a communication card, so that the monitoring, control and management of the operator station and the engineer station on field equipment are met, and data sharing is realized; the other layer is a management Ethernet conforming to a TCP/IP protocol, and the functions of file management, copying and remote WEB browsing between an engineer and an operator station are mainly realized through network card connection on the operator station and the engineer station;
in the third step, various parameter signals of a sewage treatment unit or a field scene are acquired through a field PLC system, and the acquired digital quantity signals comprise manual/automatic signals, operation signals, various fault signals, power signals, equipment start/stop control signals and process flow state signals of electrical equipment, such as upper and lower limits of liquid level and the like; the analog quantity signals collected mainly comprise temperature, pressure, flow, concentration and turbidity, dissolved oxygen, pH value, current and the like; and accumulating and periodically resetting the flow signal, wherein in the third step, the parameter signal comprises the following data: the relevant data of the sewage are as follows: lifting water amount of daily sewage, lifting water amount of hourly sewage, discharging water amount of outlet daily sewage, and discharging water amount of outlet hourly; the method comprises the following steps of (1) carrying out on-time wastewater inlet water quality data (conventional items such as COD, BOD, SS, TP, TN, NH3-N, PH and the like), 24-hour wastewater inlet water quality data, instantaneous wastewater outlet water quality data and 24-hour effluent water quality data; weekly analyzing water quality project data, and monthly analyzing water quality project data; the sludge related data are: the discharge amount of the residual sludge every day, the lifting amount of a sludge dosing pump of a dehydrator every day, the amount of mud cakes after dehydration and the number of mud cake trucks for transporting outside; adding a chemical proportion into a sludge flocculating agent, wherein the sludge flocculating agent comprises the water content of sludge before dehydration, the water content of sludge after dehydration, organic components of sludge, supernatant SS after dehydration and the like; the process-related data are mainly: sludge concentration MLSS, volatile sludge concentration MLVSS, aeration tank dissolved oxygen DO, sludge sedimentation ratio SV, ORP, the number of indicative microorganisms, structure residence time, residence time of a sludge storage tank, overflow water quality data of the sludge storage tank and the like; the power data mainly includes: the total active power, total idle power, power consumption, lighting consumption, active power, idle power, lighting data and the like of each substation every day; current, voltage value, etc. of each main device (lift pump, blower, etc.); paying electricity fee data and the like; the main data relating to the amount of drug are: the addition amount of a phosphorus removal agent PAC, the addition amount of a sludge dewatered PAM agent, the addition amount of a denitrification carbon source supplementing agent (adding according to actual running water quality), the addition amount of a sewage disinfectant (chemical agent), the unit consumption of chemicals per ton of water, various dosage amounts in a laboratory and the like; the device-related data are mainly: the method comprises the following steps of (1) equipment category, the number of various types of equipment, equipment installation position, equipment energy consumption, equipment rotating speed, equipment running time, equipment normal running parameters, equipment running current voltage, pressure, flow, temperature and the like, equipment maintenance period, equipment oiling number period, equipment greasing number period, equipment overhaul times, content, equipment replacement period and replacement time, equipment spare part number information and the like;
in the fourth step, the acquired signals are converted into RS-485 signals with large signal transmission rate and long transmission distance, the RS-485 signals are transmitted to a serial server through a shielded twisted pair, and then the serial server is read by upper software compiled by C # language to obtain data, in the fourth step, 4-20 mA current signals output by on-site instruments and equipment are converted into RS-485 signals through an A/D analog signal isolation acquisition amplifier, and RS-232 signals output by the on-site instruments and equipment are converted into RS-485 signals through a CKL-106 type converter, so that the reliability and the stability of the signals are enhanced;
in the fifth step, the obtained data are provided for operators and managers to perform operation management through an engineer and an operator station of a central control room through a human-computer interface of a system monitoring management computer, are visually displayed after being analyzed and processed, and are recorded in real time and at regular time and used for producing and printing reports through an information monitoring management computer;
in the sixth step, the measured data is recorded on the hard disk at certain time intervals, and can be stored under various conditions according to the requirements of users, so that the requirements of different users on knowing the working conditions of various stations and monitoring the data in real time are met.
Based on the above, the invention has the advantages that the field PLC system configuration realizes data exchange and data processing of the master station and the slave stations, the master station monitors each slave station and visualizes human-computer interaction, the upper software is compiled by adopting C # language, the program design is simpler, the read-write operation of serial port data can be well completed by utilizing the component library rich in C # language, the efficiency of data acquisition is improved, the collection and storage of sewage plant data are realized by the PLC system and the upper software compiled by C # language, various parameters can be collected simultaneously, the operation is simple, the workload of personnel is greatly reduced, and the utilization rate of energy and equipment is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The method for collecting data of a plurality of different sets of equipment in a sewage plant comprises the following steps: step one, configuring a field PLC system; secondly, configuring a monitoring center system; step three, signal acquisition; step four, signal transmission; step five, data display processing; step six, data storage; the method is characterized in that:
wherein in the first step, a No. 1 PLC control station is configured at a work station of a sludge dewatering machine room of a sewage plant and is responsible for collecting the water quality data of inlet water of the water plant, and the state acquisition of a grating system, a rotational flow sand setting system and a sludge concentration system and the control of the equipment, a No. 2 PLC control station is configured at the workstation of the blower room and is responsible for collecting water quality data of the CASS tank, and the collection of the states of the stirring system, the decanting system and the aeration system and the control of the equipment, a No. 3 PLC control station is configured at the biological aerated filter workstation and is responsible for collecting the water quality data of the biological aerated filter, and the collection of the equipment states of the secondary lifting system, the aeration system and the back washing system and the control of the equipment, a 4# PLC control station is configured at the V-shaped filter workstation and is responsible for acquiring water quality data of the V-shaped filter, acquiring equipment states of a backwashing system and a water outlet system and controlling the equipment;
in the second step, an engineer and an operator station are arranged in the central control room, wherein the engineer and the operator station mainly comprise two sets of redundant operation stations, a set of projectors, a fault printer, a chart printer and a set of UPS power supply;
in the third step, various parameter signals of a sewage treatment unit or a field scene are acquired through a field PLC system, and the acquired digital quantity signals comprise manual/automatic signals, operation signals, various fault signals, power signals, equipment start/stop control signals and process flow state signals of electrical equipment, such as upper and lower limits of liquid level and the like; the analog quantity signals collected mainly comprise temperature, pressure, flow, concentration and turbidity, dissolved oxygen, pH value, current and the like; carrying out accumulation and regular zero clearing processing on the flow signal;
in the fourth step, the collected signals are converted into RS-485 signals with large signal transmission rate and long transmission distance, the RS-485 signals are transmitted to a serial server through a shielded twisted pair, and then the serial is read by upper software written by C # language to obtain data;
in the fifth step, the obtained data are provided for operators and managers to perform operation management through an engineer and an operator station of a central control room through a human-computer interface of a system monitoring management computer, are visually displayed after being analyzed and processed, and are recorded in real time and at regular time and are used for producing and printing reports through an information monitoring management computer;
in the sixth step, the measured data is recorded on the hard disk at certain time intervals, and can be stored under various conditions according to the requirements of users, so that the requirements of different users on knowing the working conditions of various stations and monitoring the data in real time are met.
2. The method of claim 1 for data collection of a plurality of different packages of sewage plants, comprising: in the second step, the management network of the monitoring center is divided into two layers: the industrial Ethernet with a layer of 100Mbps adopts an optical fiber industrial Ethernet controller to connect 1 central control room and other sub-control rooms into a local area network, and is connected with an optical fiber link module through an operator station, an engineer station and a communication card, so that the monitoring, control and management of the operator station and the engineer station on field equipment are met, and data sharing is realized; the other layer is a management Ethernet conforming to a TCP/IP protocol, and the functions of file management, copying and remote WEB browsing between an engineer and an operator station are mainly realized through network card connection on the operator station and the engineer station.
3. The method of claim 1 for data collection of a plurality of different packages of sewage plants, comprising: in the third step, the parameter signal includes the following data: the relevant data of the sewage are as follows: lifting water amount of daily sewage, lifting water amount of hourly sewage, discharging water amount of outlet daily sewage, and discharging water amount of outlet hourly; the method comprises the following steps of (1) carrying out on-time wastewater inlet water quality data (conventional items such as COD, BOD, SS, TP, TN, NH3-N, PH and the like), 24-hour wastewater inlet water quality data, instantaneous wastewater outlet water quality data and 24-hour effluent water quality data; weekly analyzing water quality project data, and monthly analyzing water quality project data; the sludge related data are: the discharge amount of the residual sludge every day, the lifting amount of a sludge dosing pump of a dehydrator every day, the amount of mud cakes after dehydration and the number of mud cake trucks for transporting outside; adding a chemical proportion into a sludge flocculating agent, wherein the sludge flocculating agent comprises the water content of sludge before dehydration, the water content of sludge after dehydration, organic components of sludge, supernatant SS after dehydration and the like; the process-related data are mainly: sludge concentration MLSS, volatile sludge concentration MLVSS, aeration tank dissolved oxygen DO, sludge sedimentation ratio SV, ORP, the number of indicative microorganisms, structure residence time, residence time of a sludge storage tank, overflow water quality data of the sludge storage tank and the like; the power data mainly includes: the total active power, total idle power, power consumption, lighting consumption, active power, idle power, lighting data and the like of each substation every day; current, voltage value, etc. of each main device (lift pump, blower, etc.); paying electricity fee data and the like; the main data relating to the amount of drug are: the addition amount of a phosphorus removal agent PAC, the addition amount of a sludge dewatered PAM agent, the addition amount of a denitrification carbon source supplementing agent (adding according to actual running water quality), the addition amount of a sewage disinfectant (chemical agent), the unit consumption of chemicals per ton of water, various dosage amounts in a laboratory and the like; the device-related data are mainly: the equipment comprises the following components of equipment category, the number of equipment of each type, equipment installation position, equipment energy consumption, equipment rotating speed, equipment operation time, equipment normal operation parameters, current voltage, pressure, flow, temperature and the like of equipment operation, equipment maintenance period, equipment oiling number period, equipment greasing number period, equipment maintenance times, content, equipment replacement period and replacement time, equipment spare part number information and the like.
4. The method of claim 1 for data collection of a plurality of different packages of sewage plants, comprising: in the fourth step, 4-20 mA current signals output by the on-site instruments and equipment are converted into RS-485 signals through the A/D analog signal isolation acquisition amplifier, and RS-232 signals output by the on-site instruments and equipment are converted into RS-485 signals through the CKL-106 type converter, so that the reliability and stability of the signals are enhanced.
5. The method of claim 1 for data collection of a plurality of different packages of sewage plants, comprising: and in the fifth step, eliminating some data with excessive deviation.
6. The method of claim 1 for data collection of a plurality of different packages of sewage plants, comprising: and in the fifth step, the system monitoring management computer has multiple functions of data alarming, trend displaying and the like.
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