CN201593870U - Boiler heating control system - Google Patents
Boiler heating control system Download PDFInfo
- Publication number
- CN201593870U CN201593870U CN2010201079817U CN201020107981U CN201593870U CN 201593870 U CN201593870 U CN 201593870U CN 2010201079817 U CN2010201079817 U CN 2010201079817U CN 201020107981 U CN201020107981 U CN 201020107981U CN 201593870 U CN201593870 U CN 201593870U
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- boiler
- control
- plc control
- temperature sensor
- pressure sensor
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Abstract
A boiler heating control system is characterized by comprising an operation station PC machine and a plurality of PLC control stations arranged in a boiler room control chamber, the PLC control stations are connected by RS485 lines, each PLC control station is in control connection with one boiler, a temperature sensor and a pressure sensor are mounted in the body of each boiler, a variable frequency controller is arranged on a fire grate fan of the boiler, an air blower and an induced draft fan of the boiler are provided with secondary loop control or frequency conversion controllers, a flower meter and a pipeline valve are in series connection to a medium pipeline of the boiler, an electric regulating controller is arranged on the pipeline valve, and the temperature sensor, the pressure sensor and the like are all connected with each PLC control station via signal lines. The boiler heating control system has reasonable design, realizes variable-frequency control to the air blowers, the induced draft fans and the fire grate fans, can also realize boiler combustion air-coal ratio self-optimizing control and ensure the optimum combustion state, increases boiler heat efficiency, saves large quantities of fuel and increases running efficiency of boilers.
Description
Technical field
The utility model relates to a kind of boiler control system, particularly a kind of boiler heating control system.
Background technology
In large scale industry is produced, by Industrial Boiler transmitting medium is heated, heat is imported in the industrial production flow process.Originally boiler adopts the mechanical movement mode in the factory, and signals such as temperature, pressure are shown on the spot by field instrument in the boiler, and the intake of boiler, input fuel quantity are all by manually-operated.The main dependence of whole system operation manually-operated, the data that can't obtain continuous effective are controlled the fired state of boiler; Can't regulate in real time according to actual needs, operation lags behind, and waste is serious.Boiler being burnt under the condition of optimum, improve the boiler whole efficiency, reduce fuel consumption, is the right problem of demand side during modernization industry is produced.
Summary of the invention
Technical problem to be solved in the utility model is at the deficiencies in the prior art, and a kind of boiler heating control system that improves the boiler whole efficiency, reduces fuel consumption reasonable in design, logical is provided.
Technical problem to be solved in the utility model is to realize by following technical scheme.The utility model is a kind of boiler heating control system, be characterized in, it comprises active station PC and several PLC control stations that are arranged in the control room, boiler room, adopts the RS485 line to connect each PLC control station and a boiler control connection between the PLC control station; In the body of heater of boiler, install and be provided with temperature sensor and pressure sensor, on the fire grate blower fan of boiler, be provided with frequency-variable controller, on the air blast of boiler and air-introduced machine, be provided with secondary circuit control or frequency-variable controller, on the medium pipeline of boiler, be installed in series and be provided with flowmeter and pipe valve, on pipe valve, be provided with the motorized adjustment controller; Described temperature sensor, pressure sensor, flowmeter, secondary circuit control, frequency-variable controller and motorized adjustment controller all are connected with the PLC control station by holding wire.
Technical problem to be solved in the utility model can also further realize by following technical scheme.Above-described boiler heating control system is characterized in, described temperature sensor and pressure sensor are located at the interior middle part of body of heater of boiler.
The utility model adopts PLC (preferred Siemens S7-300) as control station, and centralized arrangement adopts the RS485 wiring between standing and standing in the control room, boiler room, adopt PROFIBUS field bus communication agreement, and system equipment is managed concentratedly.Instrumentations such as temperature sensor, pressure sensor, flowmeter are gathered the signals such as (oil, water) of temperature, pressure and heating medium flow in the burner hearth, by dedicated signal lines signal are imported in the PLC control station; PLC changes and the working control needs according to coherent signal, by dedicated signal lines equipment such as the fire grate blower fan of boiler, air blast, air-introduced machine, pipe valve are sent control signal, control, make heating furnace work in optimum state, improve the efficiency of heating surface, reduce the energy consumption of reheat furnace system operation.
In the utility model, system's active station PC preferably adopts Taiwan to grind Chinese workers' industry computer, with FameView configuration monitoring software programming man-machine interface.Can realize functions such as loop adjusting, logic control, sequential control, data collection and administration, advanced control, MMI picture, historical record, report generation, user management; The high-level programming language interface is arranged, realize various senior controls.(1) boiler combustion wind/coal (combustion) is than self-optimizing control: make coal be in best operating point in the stove internal combustion, promptly coal-air ratio is best, significantly reduces machinery and loss of the inadequacy burning for chemistry mechanics reason, and coal can be realized completing combustion basically in stove; (2) gather furnace pressure by pressure sensor, air-introduced machine is carried out PID control, guarantee that furnace pressure is a little less than atmospheric pressure.By the pressure reduction on the temperature sensor collection medium transfer pipeline, electrically operated valve aperture on the pipeline is carried out PID regulate, guarantee the normal conveying of medium.
Compared with prior art, the utlity model has following advantage and technique effect: this real new design is reasonable; It has realized VFC to air blast, air-introduced machine and fire grate, also can realize boiler combustion wind/coal (combustion gas) than self-optimizing control, can guarantee that burning is in optimum state, has improved furnace thermal efficiency, has saved a large amount of fuel.Computer system is gathered signals such as furnace pressure, temperature automatically, helps the technical staff further to improve rule model according to data information, regulates the control parameter, improves boiler operating efficiency.
Description of drawings
Fig. 1 is a kind of structured flowchart of the present utility model.
The specific embodiment
Following with reference to accompanying drawing, further describe concrete technical scheme of the present utility model, so that those skilled in the art understands the present invention further, and do not constitute restriction to its right.
Embodiment 1.With reference to Fig. 1.A kind of boiler heating control system, it comprises active station PC and several PLC control stations that are arranged in the control room, boiler room, adopts the RS485 line to connect each PLC control station and a boiler control connection between the PLC control station; In the body of heater of boiler, install and be provided with temperature sensor and pressure sensor, on the fire grate blower fan of boiler, be provided with frequency-variable controller, on the air blast of boiler and air-introduced machine, be provided with secondary circuit control or frequency-variable controller, on the medium pipeline of boiler, be installed in series and be provided with flowmeter and pipe valve, on pipe valve, be provided with the motorized adjustment controller; Described temperature sensor, pressure sensor, flowmeter, secondary circuit control, frequency-variable controller and motorized adjustment controller all are connected with the PLC control station by holding wire.
Embodiment 2.In embodiment 1 described boiler heating control system, described temperature sensor and pressure sensor are located at the interior middle part of body of heater of boiler.
Claims (2)
1. a boiler heating control system is characterized in that, it comprises active station PC and several PLC control stations that are arranged in the control room, boiler room, adopts the RS485 line to connect each PLC control station and a boiler control connection between the PLC control station; In the body of heater of boiler, install and be provided with temperature sensor and pressure sensor, on the fire grate blower fan of boiler, be provided with frequency-variable controller, on the air blast of boiler and air-introduced machine, be provided with secondary circuit control or frequency-variable controller, on the medium pipeline of boiler, be installed in series and be provided with flowmeter and pipe valve, on pipe valve, be provided with the motorized adjustment controller; Described temperature sensor, pressure sensor, flowmeter, secondary circuit control, frequency-variable controller and motorized adjustment controller all are connected with the PLC control station by holding wire.
2. boiler heating control system according to claim 1 is characterized in that, described temperature sensor and pressure sensor are located at the interior middle part of body of heater of boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201079817U CN201593870U (en) | 2010-01-27 | 2010-01-27 | Boiler heating control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201079817U CN201593870U (en) | 2010-01-27 | 2010-01-27 | Boiler heating control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201593870U true CN201593870U (en) | 2010-09-29 |
Family
ID=42775937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201079817U Expired - Fee Related CN201593870U (en) | 2010-01-27 | 2010-01-27 | Boiler heating control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201593870U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278821A (en) * | 2011-08-02 | 2011-12-14 | 威海宝源电气有限公司 | Moving-grate-type boiler energy-saving constant-temperature automatic control method and device |
| CN103090353A (en) * | 2011-11-01 | 2013-05-08 | 嘉兴市特种设备检测院 | Method and equipment for automatically controlling biomass boiler |
| CN103307756A (en) * | 2013-07-18 | 2013-09-18 | 青岛特利尔新能源有限责任公司 | Control system for water-coal-slurry heat-conducting oil boiler |
| CN106090892A (en) * | 2016-06-29 | 2016-11-09 | 无锡锡能锅炉有限公司 | A kind of intelligent circulation combustion method of coal-burning boiler |
| CN106090893A (en) * | 2016-06-29 | 2016-11-09 | 无锡锡能锅炉有限公司 | A kind of high performance clean burning method of coal-burning boiler |
| CN106090891A (en) * | 2016-06-29 | 2016-11-09 | 无锡锡能锅炉有限公司 | A kind of intelligent combustion method of coal-burning boiler |
| CN106766149A (en) * | 2017-02-24 | 2017-05-31 | 刘云 | One kind automatically controls anti-manufacture hot water's stove |
| CN107961817A (en) * | 2017-11-30 | 2018-04-27 | 中国科学院大连化学物理研究所 | A kind of catalyst carrier activates device |
| CN110822723A (en) * | 2019-12-02 | 2020-02-21 | 国惠环保新能源有限公司 | Self-adaptive automatic combustion adjusting system and method for water heater |
-
2010
- 2010-01-27 CN CN2010201079817U patent/CN201593870U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278821A (en) * | 2011-08-02 | 2011-12-14 | 威海宝源电气有限公司 | Moving-grate-type boiler energy-saving constant-temperature automatic control method and device |
| CN103090353A (en) * | 2011-11-01 | 2013-05-08 | 嘉兴市特种设备检测院 | Method and equipment for automatically controlling biomass boiler |
| CN103307756A (en) * | 2013-07-18 | 2013-09-18 | 青岛特利尔新能源有限责任公司 | Control system for water-coal-slurry heat-conducting oil boiler |
| CN106090892A (en) * | 2016-06-29 | 2016-11-09 | 无锡锡能锅炉有限公司 | A kind of intelligent circulation combustion method of coal-burning boiler |
| CN106090893A (en) * | 2016-06-29 | 2016-11-09 | 无锡锡能锅炉有限公司 | A kind of high performance clean burning method of coal-burning boiler |
| CN106090891A (en) * | 2016-06-29 | 2016-11-09 | 无锡锡能锅炉有限公司 | A kind of intelligent combustion method of coal-burning boiler |
| CN106766149A (en) * | 2017-02-24 | 2017-05-31 | 刘云 | One kind automatically controls anti-manufacture hot water's stove |
| CN107961817A (en) * | 2017-11-30 | 2018-04-27 | 中国科学院大连化学物理研究所 | A kind of catalyst carrier activates device |
| CN110822723A (en) * | 2019-12-02 | 2020-02-21 | 国惠环保新能源有限公司 | Self-adaptive automatic combustion adjusting system and method for water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20140127 |