CN102385370A - 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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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 economical coal-burning boiler efficiency 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 simple relatively, make relatively easy; Without examining; Phenomenon not according to energy-saving safe technical manual manufacturing installation and use is of common occurrence, and the operational monitoring instrument of common configuration is incomplete in addition, especially lacks the instrument that shows the boiler economic operation parameter; The operational management personnel often can not make accurate judgement and move adjustment accordingly according to its operation conditions owing to lack data at any time; Cause boiler can not be under the optimum condition and move, super high pressure accident, lack of water and full water accident, pipe explosion accident etc. occur repeatedly, and energy-conservation and emission reduction effect makes people worried.According to statistics; The whole nation is 52.74 ten thousand, 125.40 ten thousand MW using the Industrial Boiler recoverable amount; Near 2 times of station boiler installed capacity, each generic operation reason year takes place cause that the people rises surplus the personnel casualty accidents average 30, 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 with American-European developed country with energy consumption level and are had big gap.With the efficiency is example, and the average BTHE of China's coal-burned industrial boiler is merely 65%, than low 10～20 percentage points of foreign level, and about 6,000 ten thousand tons in many every year on average consumption coals.Simultaneously, ten thousand tons of the annual about 600-800 of smoke discharge amount of Industrial Boiler 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 NOx in a large number.Therefore Industrial Boiler become China carry out safety precautions, energy-saving and cost-reducing, improve efficiency, reduce the main object that pollutes, also be 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 the energy-saving safe work of Industrial Boiler further, and 2003 " special equipment safety monitor 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.Outstanding further along with Chinese society rapid economic development and energy shortage problem; China has brought up to the energy conservation of highly energy-consuming special equipment the aspect of law; In October, 2007 China issued " economizing energy law " regulation highly energy-consuming special equipment is taked energy-conservation examination and supervision, in the revision of in February, 2009 " special equipment safety monitor regulations " issued by the State Council, increased the related request that highly energy-consuming special equipments such as boiler, heat interchanger are carried out energy-conservation supervision.In special equipment office of State General Administration for Quality Supervision " 12 " special equipment safety and energy-conservation ad hoc planning (exposure draft), also clearly propose to push forward the supervision of highly energy-consuming special equipment energy-saving safe comprehensively; Improve dynamic supervisory system through 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 safe and energy-conservation supervision comprehensively.
The operational efficiency of China's boiler is monitored adjustment in real time, 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 keep watch on 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 to background technology, proposes a kind of economical coal-burning boiler efficiency monitoring system and method.
The present invention adopts following technical scheme for solving the problems of the technologies described above:
A kind of economical coal-burning boiler efficiency monitoring system comprises on-site data gathering system, field monitoring system and remote supervisory and service system; Wherein, on-site data gathering system acquisition boiler operatiopn real time data, and the real time data that collects is sent to remote server through data transmission terminal; Remote supervisory and service system utilize remote server to manage, analyze and issue receiving from the data of each website, realize remote online monitoring boiler real time execution operating mode; The field monitoring system is used to receive the feedback information from remote server and on-site data gathering system.
Further; A kind of economical coal-burning boiler efficiency monitoring system of the present invention; The on-site data gathering system accomplishes the collection to the given simulating signal of on-the-spot each transmitter of boiler operatiopn and sensor through PLC system or embedded system, and simulating signal is converted into digital signal passes to the field data transmission terminal.
Further, a kind of economical coal-burning boiler efficiency monitoring system of the present invention, field monitoring system adopt the ARM9 processor to realize building of hardware system.
Further; A kind of economical coal-burning boiler efficiency monitoring system of the present invention; The field data transmission terminal is a local computer; Said on-site data gathering system is sent to local computer with the data that collect, and local computer carries out data communication through wifi module and remote server then.
The present invention also provides a kind of monitoring method of economical coal-burning boiler efficiency monitoring system, comprises the steps:
The first step:, and the signal wire that said sensor provides is connected to the on-site data gathering system at diverse location mounting temperature, pressure, flow transmitter and the sensor of boiler;
Second step: the data that said transmitter and sensor provide are gathered through signal conditioning circuit by the on-site data gathering system, and the data that collect are encoded;
The 3rd step: the on-site data gathering system carries out 232 with host computer and communicates by letter, and sends the data to host computer, sets up socket through the wifi module with the on-site transfer data terminal simultaneously and is connected, and realizes data transmission through wireless mode;
The 4th step: the field monitoring system receives the data from the on-site data gathering system through serial ports, and the data that receive are handled, and realizes that real time data shows, abnormal data is reported to the police and the inquiry of historical data;
The 5th step: the on-site transfer data terminal is accomplished Data Receiving through the socket port, and sets up socket with remote server and be connected data are sent to the remote service applicator platform;
The 6th step: remote server receives the data that the transmission 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 computation that remote server obtained according to the 6th step goes out the Real time Efficiency of online boiler, and these data issuing are arrived 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 through setting up socket with the on-site data gathering system; The boiler efficiency value is sent to the on-site data gathering system; Final on-site data gathering system feeds back to the field monitoring system through serial ports with the efficiency value of this boiler, and shows in real time;
The 9th step: on-the-spot fireman rationally adjusts the boiler combustion operating mode 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) promotes mechanism of boiler safety supervisory department in energy-saving safe ability to supervise, grasp safe operation situation, the efficiency level of active boiler fast, accurately and efficiently, improve the weak link of supervision, improve the supervision level with Industrial Boiler;
2) make the boiler applying unit can be, move and regulate and feedback,, and obtain the manufacturer and energy-conservation service organization instructs timely for safe operation, the reducing energy consumption of enterprise provides foundation in time according to the actual energy-saving safe level of boiler;
3) security and the high efficiency of lifting boiler manufacturer's product design and manufacturing are for the user provides value added service;
4) avoid because the Industrial Boiler Regional Distribution is disperseed, the on-site data gathering workload is big and difficulty that 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, the 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 a system architecture diagram of the present invention;
Fig. 2 is a plc data acquisition system structural drawing;
Fig. 3 is the embedded data acquisition system construction 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 done further detailed description:
This system is made up of on-site data gathering system, field monitoring system and remote supervisory and service system three aspects.Through the on-site data gathering system real time data of boiler operatiopn is gathered; Have the on-the-spot data terminal of boiler operatiopn through the internet data to be passed to remote supervision system, remote supervision system is realized the safety of online boiler real time data is inserted, stores, adds up, analyzes, compares, debates knowledge, issue.The object that uses of considering native system is each the very wide boiler that distributes on the space; Native system structurally adopts B/S (browser/server) framework; Guarantee that the user can be at any time, any place can make things convenient for to such an extent that understand the boiler operatiopn situation of change in real time through the internet.The field monitoring system is reflected in each item major parameter of boiler combustion on the monitor, for operating personnel carry out the burning optimization adjustment timely and effectively condition and foundation is provided.The framework of total system is as shown in Figure 1.
The on-site data gathering system
Said data acquisition system (DAS); Design feature to different tonnage coal-burning boilers; Sensor, flowmeter and the transmitter of 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; Accomplish collection by the on-site data gathering system, and send to the field data terminal after the gained data are encoded according to agreement these sensors and signal that transmitter sends.
Generally can accomplish the collection of boiler operatiopn real time data through following dual mode:
1) plc data acquisition system as shown in Figure 2;
2) embedded data acquisition system as shown in Figure 3.
The field monitoring system
Said field monitoring system; Receive the data that the on-site data gathering system is gathered; Adopt the ARM9 processor to realize building of hardware system; On embedded system, realize the cutting and the transplanting of Windows CE operating system, then, realize the application software of field 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 usefulness for future reference, simultaneously abnormal data is reported to the police.
Remote supervisory and service system
Said remote supervisory and service system mainly realize the safety of online boiler real time data is inserted through operation specific communication interface software on remote server.Then the monitoring station data that collect being managed, analyzed and issue, is the core of total system.This system mainly comprises: several sections 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 B/S (browser/server) framework, guarantees that the user can be at any time, and any place makes things convenient for to such an extent that understand the boiler operatiopn situation of change in real time.This monitor message is mainly accomplished the issue of boiler operating parameter real time data, historical data management, and data sheet is printed, 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: through data acquisition system (DAS) and field monitor at the scene with on the computing machine respectively Installation of W IFI module make that on-site data gathering system and native monitoring computing machine can MANETs.Data acquisition system (DAS) sends the data that collected to local computer through infinite network then, and local computer sends the data to remote server through the internet again;
2) 3G module implementation: near the base station the on-site data gathering system sends data to through the 3G module, this base station sends data to remote server through network then.Use this module when the transmission data, to need the calculated flow rate expense.
Server
Server as shown in Figure 1 comprises TCP/IP server and database server, and the TCP/IP server is mainly accomplished 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 through public network in any place;
3) give database server with all data transmission, do not visited by malice to prevent loss of data and protected data storehouse, thus the security that improves system.
The major function of database server is to realize the safety storing of data, in case the losing of data after the TCP/IP server failing.
Software constitutes
The application software that the present invention needs distributes as shown in Figure 4.
Like the said on-site data gathering system software of Fig. 4, mainly be used for making the on-site data gathering system can normally move, gather the boiler operatiopn data and data are sent to on-site terminal after according to the protocol code of formulating.
Receive data and send the data application software like the said on-site terminal of Fig. 4, main completion receives and comes from the data of data acquisition system (DAS), and sends the data to remote server.
Like the said field monitoring system software of Fig. 4, be primarily implemented in the transplanting that realizes Windows CE operating system on the embedded system, and exploitation realizes the application software of field 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 usefulness for future reference, simultaneously abnormal data is reported to the police.
Receive application software like the said remote server data of Fig. 4, the main completion receives the data that come from the field data terminal.Communication interface software adopts Socket to communicate by letter with the on-the-spot terminal of boiler operatiopn.The on-site data gathering system communicates through the computing machine in wifi module and the same LAN, and the data that collect are passed to local computer.Local computer communicates through Internet network and remote server, and the data that come from data acquisition system (DAS) that receive are passed to remote server.
Like the said remote server data library management of Fig. 4 software, mainly comprise: several sections 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 operation such as system data maintenance daily record.Different user can be arranged to the authority of different stage, accomplishes operation accordingly, and Administrator Level user can carry out whole operations.The system management part mainly safeguards that by the keeper other rank user is only to check and to revise personal information.The boiler operatiopn data have certain social susceptibility, 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 to show the latest data information of online boiler operatiopn.Historical data mainly is to make things convenient for the user inquiring historical data information.In order to increase operational convenience, native system can also increase recent data function module in addition, and this module can make things convenient for the user to check the historical data in nearest a period of time.The user can check the situation of change of each parameter of boiler in the regular period easily from data and curves in addition.Alarm logging is mainly used in and makes things convenient for the user to check recent alarm logging in the recent period.The user can inquire about statistical informations such as the minimax of each parameter of boiler operatiopn in any period and the number of times that exceeds standard in Information Statistics.The user exports to the EXCEL function to the subsequent operation of data so native system has increased manipulable data for ease, has increased the operability of user to the data subsequent treatment.Simultaneously, consider the stability and safety of system, data management module has also been added Database Backup and restore funcitons.
3) alarm center: be mainly used in management, comprise alarming value setting, alarming value editor and alarm logging inquiry to the warning relevant information.The user can set each parameter upper lower limit value of boiler operatiopn in alarming value is set, can in the alarming value editor, revise after configuring.After the user set completion, system will be according to setting value, and the inspection latest data when parameter exceeds standard, will occur colored flashing bar with call user's attention at homepage, generated alarm logging simultaneously and was saved in that the confession user checks in the database.
4) network connects: native system is based on network and carries out operated system, and network connecting function is mainly used in the relevant network attribute setting of realization system.Native system adopts automatic connected mode when design, make system operation succinctly convenient, alleviates the requirement to the staff.Send to a 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 fixed ip address simultaneously provides web issue, so as the user can any at any time place through network live information.
5) efficiency calculation: on remote server,, accomplish the calculating of boiler Real time Efficiency and it is fed back to the field monitoring system according to the specific specific software of algorithm operation.
The utilization of this economical coal-burning boiler efficiency 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 fast, safe operation situation, the efficiency level of active boiler accurately and efficiently; Improve the weak link of supervision, improve the supervision level; Make the boiler applying unit can be, move and regulate and feedback,, and obtain the manufacturer and energy-conservation service organization instructs timely for safe operation, the reducing energy consumption of enterprise provides foundation in time according to the actual energy-saving safe level of boiler; Promote the security and the high efficiency of boiler manufacturer's product design and manufacturing, for the user provides value added service; Avoid because the Industrial Boiler Regional Distribution is disperseed, the on-site data gathering workload is big and difficulty that 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, the solution and the service of safe operation accurately and energy-saving and emission-reduction are provided for the client.
Claims (5)
1. an economical coal-burning boiler efficiency monitoring system is characterized in that: comprise on-site data gathering system, field monitoring system and remote supervisory and service system; Wherein, on-site data gathering system acquisition boiler operatiopn real time data, and the real time data that collects is sent to remote server through data transmission terminal; Remote supervisory and service system utilize remote server to manage, analyze and issue receiving from the data of each website, realize remote online monitoring boiler real time execution operating mode; The field monitoring system is used to receive the feedback information from remote server and on-site data gathering system.
2. a kind of economical coal-burning boiler efficiency monitoring system according to claim 1; It is characterized in that: said on-site data gathering system accomplishes the collection to the given simulating signal of on-the-spot each transmitter of boiler operatiopn and sensor through PLC system or embedded system, and simulating signal is converted into digital signal passes to the field data transmission terminal.
3. a kind of economical coal-burning boiler efficiency monitoring system according to claim 1 is characterized in that: the said field monitoring employing ARM9 of system processor is realized building of hardware system.
4. a kind of economical coal-burning boiler efficiency monitoring system according to claim 2; It is characterized in that: said field data transmission terminal is a local computer; Said on-site data gathering system is sent to local computer with the data that collect, and local computer carries out data communication through wifi module and remote server then.
5. the monitoring method based on the described economical coal-burning boiler efficiency monitoring system of claim 1 is characterized in that, comprises the steps:
The first step:, and the signal wire that said sensor provides is connected to the on-site data gathering system at diverse location mounting temperature, pressure, flow transmitter and the sensor of boiler;
Second step: the data that said transmitter and sensor provide are gathered through signal conditioning circuit by the on-site data gathering system, and the data that collect are encoded;
The 3rd step: the on-site data gathering system carries out 232 with host computer and communicates by letter, and sends the data to host computer, sets up socket through the wifi module with the on-site transfer data terminal simultaneously and is connected, and realizes data transmission through wireless mode;
The 4th step: the field monitoring system receives the data from the on-site data gathering system through serial ports, and the data that receive are handled, and realizes that real time data shows, abnormal data is reported to the police and the inquiry of historical data;
The 5th step: the on-site transfer data terminal is accomplished Data Receiving through the socket port, and sets up socket with remote server and be connected data are sent to the remote service applicator platform;
The 6th step: remote server receives the data that the transmission 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 computation that remote server obtained according to the 6th step goes out the Real time Efficiency of online boiler, and these data issuing are arrived 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 through setting up socket with the on-site data gathering system; The boiler efficiency value is sent to the on-site data gathering system; Final on-site data gathering system feeds back to the field monitoring system through serial ports with the efficiency value of this boiler, and shows in real time;
The 9th step: on-the-spot fireman rationally adjusts the boiler combustion operating mode in conjunction with corresponding other data according to the efficiency value of boiler, improves boiler efficiency.
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| CN103116344B (en) * | 2013-02-04 | 2015-10-07 | 三浦工业设备（苏州）有限公司 | A kind of boiler on-line monitoring management system |
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| CN104236631B (en) * | 2014-09-26 | 2017-01-04 | 中国石油天然气股份有限公司 | Heating furnace energy efficiency monitoring method and device |
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| CN104864381A (en) * | 2015-05-29 | 2015-08-26 | 广州特种承压设备检测研究院 | Two-way communication coal-fired boiler remote intelligent monitoring method |
| CN104864381B (en) * | 2015-05-29 | 2017-01-25 | 广州特种承压设备检测研究院 | Two-way communication coal-fired boiler remote intelligent monitoring method |
| CN106547244A (en) * | 2015-09-17 | 2017-03-29 | 哈尔滨市金京锅炉有限公司 | A kind of residential coal combustion formula boiler monitoring system |
| CN106547245A (en) * | 2015-09-17 | 2017-03-29 | 哈尔滨市金京锅炉有限公司 | A kind of boiler remote monitoring and controlling system |
| CN106302739A (en) * | 2016-08-16 | 2017-01-04 | 北京大邦实创节能技术服务有限公司 | A kind of Industrial Boiler monitoring and analysis aid decision cloud platform system |
| CN107894745A (en) * | 2017-11-20 | 2018-04-10 | 广东汇嵘绿色能源股份有限公司 | A kind of boiler energy Internet of Things on-line monitoring system and its monitoring method |
| CN107942831A (en) * | 2017-12-25 | 2018-04-20 | 山东联星能源集团有限公司 | Five in one new energy sells demonstration centre control system |
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| CN108445823A (en) * | 2018-06-08 | 2018-08-24 | 湖州师范学院 | A kind of Industrial Boiler antiscale system and method based on virtual instrument |
| CN108803466A (en) * | 2018-06-22 | 2018-11-13 | 广东省特种设备检测研究院惠州检测院 | A kind of Industrial Boiler efficiency on-line detecting system and method |
| CN108803466B (en) * | 2018-06-22 | 2019-07-09 | 广东省特种设备检测研究院惠州检测院 | A kind of Industrial Boiler efficiency on-line detecting system and method |
| CN108981815A (en) * | 2018-07-26 | 2018-12-11 | 民政部零研究所 | A kind of wireless data acquisition system for funeral equipment |
| CN113008588A (en) * | 2021-02-22 | 2021-06-22 | 南方电网电力科技股份有限公司 | Coal fired power plant boiler monitoring visualization system |
| CN113008588B (en) * | 2021-02-22 | 2022-07-19 | 南方电网电力科技股份有限公司 | Coal fired power plant boiler monitoring visualization system |
| CN113108309A (en) * | 2021-05-24 | 2021-07-13 | 云南绿色能源有限公司 | Automatic combustion control system of boiler |
| CN113108309B (en) * | 2021-05-24 | 2022-03-04 | 云南绿色能源有限公司 | Automatic combustion control system of boiler |
| CN116105803A (en) * | 2023-04-12 | 2023-05-12 | 南京加诺奥能锅炉集团有限公司 | Energy efficiency detecting system for boiler |
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