CN102385370B - System and method for monitoring energy efficiency of economical coal-fired boiler - Google Patents
System and method for monitoring energy efficiency of economical coal-fired boiler Download PDFInfo
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- CN102385370B CN102385370B CN 201110292517 CN201110292517A CN102385370B CN 102385370 B CN102385370 B CN 102385370B CN 201110292517 CN201110292517 CN 201110292517 CN 201110292517 A CN201110292517 A CN 201110292517A CN 102385370 B CN102385370 B CN 102385370B
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Abstract
The invention discloses a system for monitoring the energy efficiency of an economical coal-fired boiler. The monitoring system is composed of a field data acquisition system, a field monitoring system and a remote supervision and service system, wherein the field data acquisition system acquires real-time operation data of the boiler and sends the acquired data to a remote server; the remote supervision and service system manages, analyzes and issues data received from each site through the remote server, thereby realizing the remote online monitoring of the real-time operation conditions of the boiler; and the field monitoring system receives feedback information of the field data acquisition from the remote server, so that a spot fireman can rationally adjust the combustion of the boiler according to the real-time data. The invention also discloses a monitoring method of the monitoring system. The system and the method provided in the invention are capable of continuously improving the level of safe and economical operation of the boiler, meeting the control requirements of resource saving and environmental protection indexes of the state and obtaining good social benefit and economic benefit.
Description
Technical field
The present invention relates to a kind of energy efficiency of economical coal-fired boiler monitoring system and method, can be widely used in the Industrial Boiler networking.
Background technology
for a long time, because the Industrial Boiler structure is relatively simple, make relatively easy, without examining, phenomenon not according to energy-saving safe technical manual manufacturing installation and use is of common occurrence, the operational monitoring instrument of common configuration is incomplete in addition, especially lack the instrument that shows the boiler economic operation parameter, the operational management personnel often can not make at any time accurate judgement and carry out corresponding operation and adjust according to its operation conditions owing to lacking data, causing boiler can not be under optimum condition moves, super high pressure accident, lack of water and full water accident, pipe explosion accidents etc. occur repeatedly, energy-conservation and emission reduction effect makes people worried.According to statistics, the whole nation with the Industrial Boiler recoverable amount is being 52.74 ten thousand, 125.40 ten thousand MW, near 2 times of station boiler installed capacity, year each generic operation reason occuring causes average more than 30 people of personnel casualty accidents to rise, energy resource consumption reaches 4.2 hundred million tons of standard coal equivalents, account for 27.8% of national primary energy total quantity consumed, ten thousand accident rates of Industrial Boiler are compared the larger gap of existence with European and American developed countries with energy consumption level.Take efficiency as example, the average actual thermal efficiency of China's coal-burned industrial boiler is only 65%, hangs down 10～20 percentage points than foreign level, every year on average 6000 ten thousand tons of left and right of many consumption coals.Simultaneously, the smoke discharge amount in Industrial Boiler every year is ten thousand tons of 600-800 approximately, account for 33% of national flue dust total release; The discharge capacity of SO2 is about ten thousand tons of 500-600, accounts for 21% of national total release; The discharge capacity of CO2 is about 600,000,000 tons, and discharges in a large number NOx.Therefore Industrial Boiler become China carry out safety precautions, energy-saving and cost-reducing, improve efficiency, reduce the main object that pollutes, be also the emphasis of China's safety in production over the years and energy-saving and emission-reduction Special Treatment Action.
In recent years, China payes attention to further to the energy-saving safe work of Industrial Boiler, and 2003 " Safety Supervision on Special Equipment regulations " issued by the State Council have proposed the security control requirement to links such as the design of special equipment, manufacturing, installation, use, checks.Further outstanding with the energy shortage problem of developing rapidly along with Chinese society economy, China has brought up to the energy conservation of highly energy-consuming special equipment the aspect of law, in October, 2007 China promulgated " economizing energy law " regulation highly energy-consuming special equipment is taked energy-conservation examination and supervision, increased the related request that the highly energy-consuming special equipments such as boiler, heat interchanger is carried out energy efficiency supervision in the revision of in February, 2009 " Safety Supervision on Special Equipment regulations " issued by the State Council.Also clearly propose to push forward highly energy-consuming special safety equipment energy efficiency supervision comprehensively in special equipment office of State General Administration for Quality Supervision " 12 " special safety equipment and energy-conservation ad hoc planning (exposure draft), improve the dynamic supervision system by informatization, accelerate to promote safety and energy-conservation scientific-technical progress, manufacture and design, the convenient ability to supervise that promotes such as operational management, test monitoring, push forward safety and energy efficiency supervision work comprehensively.
The operational efficiency Real-Time Monitoring of China's boiler is adjusted, and disconnects far away in the automatization level of boiler.Boiler efficiency is regularly tested by test unit, and the boiler efficiency value is provided.Yet, this value ageing very poor, the boiler site operation personnel can't adjust accordingly current boiler operating state according to the efficiency test value, can't play and optimize boiler operating parameter, improves boiler operating efficiency and monitor the whether effect such as safety of boiler operatiopn.
Summary of the invention
Technical matters to be solved by this invention is the defective of mentioning for background technology, proposes a kind of energy efficiency of economical coal-fired boiler monitoring system and method.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A kind of energy efficiency of economical coal-fired boiler monitoring system comprises Spot Data Acquisition System, site monitoring system and remote supervisory and service system; Wherein, Spot Data Acquisition System gathers the boiler operatiopn real time data, and the real time data that collects is sent to remote server by data transmission terminal; Remote supervisory and service system utilize remote server that the data that receive from each website are managed, analyze and issue, and realize remote online monitoring boiler real time execution operating mode; Site monitoring system is used for receiving the feedback information from remote server and Spot Data Acquisition System.
Further, a kind of energy efficiency of economical coal-fired boiler monitoring system of the present invention, Spot Data Acquisition System is completed collection to on-the-spot each transmitter of boiler operatiopn and the given simulating signal of sensor by PLC system or embedded system, and simulating signal is converted into digital signal passes to the field data transmission terminal.
Further, a kind of energy efficiency of economical coal-fired boiler monitoring system of the present invention, site monitoring system adopts the ARM9 processor to realize building of hardware system.
Further, a kind of energy efficiency of economical coal-fired boiler monitoring system of the present invention, the field data transmission terminal is local computer, described Spot Data Acquisition System is sent to local computer with the data that collect, and then local computer carries out data communication by wifi module and remote server.
The present invention also provides a kind of monitoring method of energy efficiency of economical coal-fired boiler monitoring system, comprises the steps:
The first step: the diverse location at boiler is installed temperature, pressure, flow transmitter and sensor, and the signal wire that described sensor is provided is connected to Spot Data Acquisition System;
Second step: Spot Data Acquisition System gathers by signal conditioning circuit the data that described transmitter and sensor provide, and the data that collect are encoded;
The 3rd step: Spot Data Acquisition System carries out 232 with host computer communicates by letter, and sends the data to host computer, sets up socket by the wifi module with the on-site transfer data terminal simultaneously and is connected, and realizes data transmission by wireless mode;
The 4th step: site monitoring system receives data from Spot Data Acquisition System by serial ports, and the data that receive are processed, and realizes that real time data shows, abnormal data warning and the inquiry of historical data;
The 5th step: the on-site transfer data terminal is completed data receiver by the socket port, and sets up socket with remote server and be connected and send data to the remote service applicator platform;
The 6th step: remote server receives the data that the transmission of data terminal that comes to the spot sends over, to data resolve, classified and stored, and these data are managed, back up;
The 7th step: the data that remote server obtained according to the 6th step calculate the Real time Efficiency of online boiler, and these data are published to remote supervisory and service system;
The 8th step: remote server sends to corresponding data terminal with the boiler efficiency value that calculates, data terminal is connected by setting up socket with Spot Data Acquisition System, the boiler efficiency value is sent to Spot Data Acquisition System, final Spot Data Acquisition System feeds back to site monitoring system by serial ports with the efficiency value of this boiler, and shows in real time;
The 9th step: on-the-spot fireman rationally adjusts Combustion Operation of Boilers in conjunction with corresponding other data according to the efficiency value of boiler, improves boiler efficiency.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1) promote mechanism of boiler safety supervisory department in the energy-saving safe ability to supervise with Industrial Boiler, grasp fast, accurately and efficiently safe operation situation, the efficiency level of active boiler, improve the weak link of supervision, improve the supervision level;
2) make the boiler applying unit can be in time according to the actual energy-saving safe level of boiler, move and regulate and feedback, for safe operation, the reducing energy consumption of enterprise provides foundation, and obtain the manufacturer and energy conservation service mechanism instructs timely;
3) promote security and the high efficiency of boiler manufacturer Design and machining of products, for the user provides value added service;
4) avoid difficulty because the Industrial Boiler Regional Distribution is disperseed, the on-site data gathering workload is large and can not real-time analysis, make safety and power-saving technology mechanism can in time understand safety, efficiency and the emissions data of boiler operatiopn, solution and the service of safe operation accurately and energy-saving and emission-reduction are provided for the client.
Description of drawings
Fig. 1 is system architecture diagram of the present invention;
Fig. 2 is plc data acquisition system structural drawing;
Fig. 3 is the Embedded data acquisition system structural drawing;
Fig. 4 is the application software distribution plan that the present invention needs.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
This system is comprised of Spot Data Acquisition System, site monitoring system and remote supervisory and service system three aspects:.Gather by the real time data of Spot Data Acquisition System to boiler operatiopn, have the data terminal at boiler operatiopn scene by the internet, data to be passed to remote supervision system, remote supervision system is realized the safety of online boiler real time data is accessed, stores, adds up, analyzes, compares, debates knowledges, issues.The object that uses of considering native system is each the very wide boiler that distributes on the space, native system structurally adopts the B/S(browser/server) framework, guarantee that the user can be at any time, any place can facilitate to such an extent that understand in real time the boiler operatiopn situation of change by the internet.Site monitoring system is reflected in every major parameter of boiler combustion on monitor, provides condition and foundation for operating personnel carry out the burning optimization adjustment timely and effectively.The framework of whole system as shown in Figure 1.
Spot Data Acquisition System
Described data acquisition system (DAS), design feature for different tonnage coal-burning boilers, sensor, flowmeter and the transmitter of the parameter measurements such as selection and setting pressure/temperature/flow, water level, flame, power consumption CO/CO2/SOx concentration, softened water hardness, blowdown water temperature/pH value, complete collection to these sensors and signal that transmitter sends by Spot Data Acquisition System, and send to the field data terminal after the data obtained is encoded according to agreement.
Generally can complete by following dual mode the collection of boiler operatiopn real time data:
1) as shown in Figure 2 plc data acquisition system;
2) as shown in Figure 3 Embedded data acquisition system.
Site monitoring system
Described site monitoring system, receive the data that Spot Data Acquisition System gathers, adopt the ARM9 processor to realize building of hardware system, realize cutting and the transplanting of Windows CE operating system on embedded system, then, realize the application software of site monitoring system based on Windows CE operating system.Application software mainly realizes the parameters of boiler operatiopn is carried out real time monitoring, and saves historical data with use for future reference, simultaneously abnormal data is reported to the police.
Remote supervisory and service system
Described remote supervisory and service system mainly realize the safety of online boiler real time data is accessed by operation specific communication interface software on remote server.Then the monitoring station data that collect being managed, analyze and issue, is the core of whole system.This system mainly comprises: several parts such as system management, data management, alarm center, network connection.The object that uses of considering native system is each boiler that distributes on the space, and native system structurally adopts the B/S(browser/server) framework, guarantee that the user can be at any time, any place facilitates to such an extent that understand in real time the boiler operatiopn situation of change.This monitor message is mainly completed the issue of boiler operating parameter real time data, historical data management, and data sheet is printed, the basic functions such as the drafting of history curve and anomalous event Realtime Alerts.Simultaneously real time data is carried out analyzing and processing according to concrete formula, thereby draw thermal efficiency value, blowdown situation and the ruuning situation of boiler.
Data transmission terminal
Field data transmission terminal as shown in Figure 1 can adopt WIFI module and 3G module dual mode:
1) WIFI module implementation: make Spot Data Acquisition System and the native monitoring computing machine can MANET with the WIFI module is installed respectively on computing machine by data acquisition system (DAS) and field monitor at the scene.Then data acquisition system (DAS) sends the data that collect to local computer by infinite network, and local computer sends the data to remote server by the internet again;
2) 3G module implementation: near the base station Spot Data Acquisition System sends data to by the 3G module, then this base station sends data to remote server by network.Use this module to need the calculated flow rate expense when the transmission of data.
Server
Server as shown in Figure 1 comprises TCP/IP server and database server, and the TCP/IP server is mainly completed following function:
1) boiler on-site supervision computing machine carries out socket with the TCP/IP server and is connected, and this server must have fixed ip address;
2) TCP/IP server issue web network, can guarantee that like this user can be at any time, and boiler operation situation is understood in real time by public network in any place;
3) with all data transmission to database server, preventing that loss of data and protected data storehouse from maliciously not accessed, thereby improve Security of the system.
The major function of database server is to realize the safe storage of data, in case the loss of data after the TCP/IP server failing.
Software consists of
The application software that the present invention needs distributes as shown in Figure 4.
The Spot Data Acquisition System application software, be mainly used to make Spot Data Acquisition System can normally move, gather the boiler operatiopn data and will send to on-site terminal after the protocol code of data according to formulation as described in Figure 4.
On-site terminal receive data and send market demand software is as described in Figure 4 mainly completed to receive and is come from the data of data acquisition system (DAS), and sends the data to remote server.
The site monitoring system application software, be primarily implemented in the transplanting that realizes Windows CE operating system on embedded system as described in Figure 4, and exploitation realizes the application software of site monitoring system based on this operating system.Application software mainly realizes the parameters of boiler operatiopn is carried out real time monitoring, and saves historical data with use for future reference, simultaneously abnormal data is reported to the police.
Remote server data receives application software as described in Figure 4, mainly completes to receive the data that come from the field data terminal.Communication interface software employing Socket communicates by letter with the terminal at boiler operatiopn scene.Spot Data Acquisition System communicates by the computing machine in wifi module and same LAN (Local Area Network), and the data that collect are passed to local computer.Local computer communicates by Internet network and remote server, and the data that come from data acquisition system (DAS) that receive are passed to remote server.
Remote server data library management software as described in Figure 4 mainly comprises: several parts such as system management, data management, alarm center, network connection:
1) system management: this part can be added the deletion user, and user profile is revised, and website is newly-built, site information is revised and the operation such as system data maintenance daily record.Different user can be arranged to the authority of different stage, completes corresponding operation, and Administrator Level user can carry out whole operations.Mainly by keeper's maintenance, other rank user is only to check and to revise personal information for the system management part.The boiler operatiopn data have certain social sensitivity, so native system takes the keeper to add user's mode and the mode that do not adopt new user initiatively to register.
2) data management: data management module is the core of native system, be used for the checking, analyze and manage of boiler operatiopn data comprised: real time data, historical data, data, data and curves, functions such as alarm logging, data base administration, website selection, Information Statistics and the calculating of boiler efficiency in the recent period in the recent period.Real time data is used for showing the latest data information of online boiler operatiopn.Historical data is mainly to facilitate user's enquiry of historical data information.In order to increase operational convenience, native system can also increase recent data function module in addition, and this module can facilitate the user to check the historical data that nearest a period of time is interior.The user can check the situation of change of boiler parameters in the regular period easily from data and curves in addition.Alarm logging is mainly used in facilitating the user to check recent alarm logging in the recent period.The user can inquire about the statistical informations such as the minimax of the parameters of boiler operatiopn in any period and the number of times that exceeds standard in Information Statistics.In order to facilitate the user to the subsequent operation of data, so having increased manipulable data, native system exports to the EXCEL function, increased the operability of user to the data subsequent treatment.Simultaneously, consider Systems balanth safety, data management module has also been added backup and the restore funcitons of database.
3) alarm center: be mainly used in the management to the warning relevant information, comprise alarming value setting, alarming value editor and alarm logging inquiry.The user can set each parameter upper lower limit value of boiler operatiopn in alarming value is set, can revise in the alarming value editor after setting.After the user sets and to complete, system will check latest data according to setting value, when having parameter to exceed standard, will occur colored flashing bar with call user's attention at homepage, generate simultaneously alarm logging and be saved in that in database, the confession user checks.
4) network connects: native system is based on the system that network operates, and network connecting function is mainly used in realizing the network attribute setting of System Dependent.Native system adopts automatic connected mode when design, make system's operation succinct convenient, alleviates the requirement to the staff.Send to pot inspection institute server for what guarantee that relevant information that the boiler fielded system is sent can be real-time, this module has also added the network test function when design.The server that has simultaneously a fixed ip address provides the web issue, so as the user at any time any place by the network information of living to get.
5) efficiency calculation: according to the specific software of specific algorithm operation, complete the calculating of boiler Real time Efficiency and it is fed back to site monitoring system on remote server.
The utilization of this energy efficiency of economical coal-fired boiler monitoring system disclosed by the invention can promote mechanism of boiler safety supervisory department in the energy-saving safe ability to supervise with Industrial Boiler, grasp accurately and efficiently fast, safe operation situation, the efficiency level of active boiler, improve the weak link of supervision, improve the supervision level; Make the boiler applying unit can be in time according to the actual energy-saving safe level of boiler, move and regulate and feedback, for safe operation, the reducing energy consumption of enterprise provides foundation, and obtain the manufacturer and energy conservation service mechanism instructs timely; Promote security and the high efficiency of boiler manufacturer Design and machining of products, for the user provides value added service; Avoid the difficulty because the Industrial Boiler Regional Distribution is disperseed, the on-site data gathering workload is large and can not real-time analysis, make safety and power-saving technology mechanism can in time understand safety, efficiency and the emissions data of boiler operatiopn, solution and the service of safe operation accurately and energy-saving and emission-reduction are provided for the client.
Claims (4)
1. the monitoring method of an energy efficiency of economical coal-fired boiler monitoring system, is characterized in that, the energy efficiency of economical coal-fired boiler monitoring system comprises Spot Data Acquisition System, site monitoring system and remote supervisory and service system; Wherein, Spot Data Acquisition System gathers the boiler operatiopn real time data, and the real time data that collects is sent to remote server by data transmission terminal; Remote supervisory and service system utilize remote server that the data that receive from each website are managed, analyze and issue, and realize remote online monitoring boiler real time execution operating mode; Site monitoring system is used for receiving the feedback information from remote server and Spot Data Acquisition System, and described monitoring method comprises the steps:
The first step: the diverse location at boiler is installed temperature, pressure, flow transmitter and sensor, and the signal wire that described sensor is provided is connected to Spot Data Acquisition System;
Second step: Spot Data Acquisition System gathers by signal conditioning circuit the data that described transmitter and sensor provide, and the data that collect are encoded;
The 3rd step: Spot Data Acquisition System carries out 232 with host computer communicates by letter, and sends the data to host computer, sets up socket by the wifi module with the on-site transfer data terminal simultaneously and is connected, and realizes data transmission by wireless mode;
The 4th step: site monitoring system receives data from Spot Data Acquisition System by serial ports, and the data that receive are processed, and realizes that real time data shows, abnormal data warning and the inquiry of historical data;
The 5th step: the on-site transfer data terminal is completed data receiver by the socket port, and sets up socket with remote server and be connected and send data to the remote service applicator platform;
The 6th step: remote server receives the data that the transmission of data terminal that comes to the spot sends over, to data resolve, classified and stored, and these data are managed, back up;
The 7th step: the data that remote server obtained according to the 6th step calculate the Real time Efficiency of online boiler, and these data are published to remote supervisory and service system;
The 8th step: remote server sends to corresponding data terminal with the boiler efficiency value that calculates, data terminal is connected by setting up socket with Spot Data Acquisition System, the boiler efficiency value is sent to Spot Data Acquisition System, final Spot Data Acquisition System feeds back to site monitoring system by serial ports with the efficiency value of this boiler, and shows in real time;
The 9th step: on-the-spot fireman rationally adjusts Combustion Operation of Boilers in conjunction with corresponding other data according to the efficiency value of boiler, improves boiler efficiency.
2. the monitoring method of a kind of energy efficiency of economical coal-fired boiler monitoring system according to claim 1, it is characterized in that: described Spot Data Acquisition System is completed collection to on-the-spot each transmitter of boiler operatiopn and the given simulating signal of sensor by PLC system or embedded system, and simulating signal is converted into digital signal passes to the field data transmission terminal.
3. the monitoring method of a kind of energy efficiency of economical coal-fired boiler monitoring system according to claim 1 is characterized in that: described site monitoring system adopts the ARM9 processor to realize building of hardware system.
4. the monitoring method of a kind of energy efficiency of economical coal-fired boiler monitoring system according to claim 2, it is characterized in that: described field data transmission terminal is local computer, described Spot Data Acquisition System is sent to local computer with the data that collect, and then local computer carries out data communication by wifi module and remote server.
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