CN206973609U - A kind of targeting formula CO is the Burning Control System of Heating Furnace of control variable - Google Patents
A kind of targeting formula CO is the Burning Control System of Heating Furnace of control variable Download PDFInfo
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- CN206973609U CN206973609U CN201720005673.5U CN201720005673U CN206973609U CN 206973609 U CN206973609 U CN 206973609U CN 201720005673 U CN201720005673 U CN 201720005673U CN 206973609 U CN206973609 U CN 206973609U
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Abstract
The utility model discloses the Burning Control System of Heating Furnace that a kind of targeting formula CO is control variable, including live executable portion, field control part, remote control part, monitoring exchange, database server, hop.The Combustion System of the single burner of the utility model has targeting formula, is sampled by timing cycle, single burner is precisely controlled, and burning is played burner optimum performance close to stoichiometric, is improved efficiency of combustion；Macro-control heating furnace is burnt on the whole, and combustion efficiency is evaluated by whole smoke discharging, controls fuel and total blast volume, heating furnace burning is reduced coefficient of excess air closer to stoichiometric and is reduced fume emission total amount, improve heater efficiency.
Description
Technical field
A kind of petrochemical heating furnace and Industrial Stoves Combustion System field is the utility model is related to, particularly a kind of targeting
Formula CO is the Burning Control System of Heating Furnace of control variable.
Background technology
The control mode of the burning heating equipment such as most of the country Industrial Stoves, petroleum chemical heating furnace, boiler relatively falls at present
Afterwards, use and be based on flue gas O2Foundation of the changes of contents as control kiln burning, in order to ensure safety assurance is burnt during operation
Fully, superfluous when adjusting combustion air proportioning, excess air coefficient is generally 20 ~ 40%, O in flue gas2Content control 3 ~
5%, substantial amounts of excess air carries substantial amounts of heat dissipation, causes to waste；In addition, O superfluous in combustion process2With N2Reaction life
Into NO, NO2And other nitrogen oxides, increase pollution.And it is even more to lack long-range prison in terms of the supervision of kiln pollutant emission
Pipe, environmentally friendly functional department can not understand enterprise's emissions data immediately so that discharge beyond standards event happens occasionally.
Chinese utility model patent " a kind of based on the Burning Control System of Heating Furnace that flue gas CO is control variable " is for upper
The problem of stating proposes solution, effectively improves combustion efficiency, but for there is the heating furnace of multiple burners, the solution
Scheme is detected only for the mixed flue gas finally discharged, the overall evaluation carried out of simply being burnt to heating furnace, when firing
When burner state is inconsistent, in fact it could happen that the burner excessive oxygen that has, the combustion with meagre oxygen having, it is impossible to instant control separate unit combustion
The combustion case of burner, therefore targetedly accurate ratio combustion can not control, the energy-saving and emission-reduction for limiting CO control modes are excellent
The further raising of gesture.
Utility model content
Technical problem to be solved in the utility model is in the case of the above-mentioned heating furnace for having multiple burners, no
Can targetedly accurate ratio combustion control deficiency, there is provided a kind of targeting formula CO that can reach burning targeting formula and be precisely controlled
To control the Burning Control System of Heating Furnace of variable.
A kind of targeting formula CO is the Burning Control System of Heating Furnace of control variable, including live executable portion, field control
Partly, remote control part, monitoring exchange, database server, hop.Described field control part includes system control
Cabinet processed, three frequency-conversion control cabinets being connected with system control cabinet and engineer station.Described live executable portion include heating furnace,
It is connected to the on-line monitoring of system control cabinet and performs control device.Described hop includes internet+MODBUS buses.
Described monitoring exchange includes the total monitoring system being made up of PC and configuration software, and described remote control point includes passing through
The RTU that internet is connected with total monitoring system.Described monitoring exchange connects database service by hop
Device.The monitoring exchange is connected with the engineer station.
Described on-line monitoring and execution control device includes two damper actuators, flue gas analyzer, cigarette
Gas sampling pump, at least two groups of combustion parts, main hot-flow flue, main hot-flow flue baffle plate, main fuel road, gas control valve, burner hearth multiple spot
Circulating flue gas analyzer, burner hearth infrared surveillance imager, furnace pressure meter and pressure transmitter, temperature sensor, flue gas air inducing
Machine variable-frequency motor, preheater turning motor variable frequency adjustment device, air-blaster variable-frequency motor.
Combustion parts described in every group all with the main hot-flow flue, main fuel road and burner hearth multipoint circulation flue gas analyzer phase
Even.The main fuel road is provided with the gas control valve.The smoke induced draught fan variable-frequency motor, preheater turning motor frequency conversion
Adjuster, air-blaster variable-frequency motor are respectively connected by a frequency-conversion control cabinet with the system control cabinet.Each institute
State damper actuator, flue gas analyzer, every group of combustion parts, gas control valve, burner hearth multipoint circulation flue gas analysis
Instrument, burner hearth infrared surveillance imager, furnace pressure meter and pressure transmitter, temperature sensor all with the system control cabinet phase
Even.The flue gas sampling pump is connected with the flue gas analyzer.The main hot-flow flue by the main hot-flow flue baffle plate with
The preheater turning motor variable frequency adjustment device is connected, the preheater turning motor variable frequency adjustment device respectively with air blast
Machine variable-frequency motor, smoke induced draught fan variable-frequency motor are connected with heating furnace.The smoke induced draught fan variable-frequency motor and the heating
Stove is connected.
Combustion parts described in every group include burner, burner hearth multiple spot flue gas sampling pump, manual modulation valve, branch air duct baffle plate and held
The manual gas control valve of row device and burner throttle.
The burner is connected by the burner throttle with the main hot-flow flue.The burner and the main combustion
Material road is connected.The burner hearth multiple spot flue gas sampling pump is connected with the burner hearth multipoint circulation flue gas analyzer.The burning
The manual modulation valve and branch air duct baffle plate actuator are provided between device and the main hot-flow flue.The burner and the main combustion
Manual gas control valve is provided between material road.
In one of the embodiments, the heating furnace includes burner hearth, drop-bottom, chimney, the second flue and the 3rd flue.
The chimney is arranged on the top of the burner hearth.The drop-bottom is arranged on the bottom of the burner hearth.Described second
Flue and the 3rd flue are vertically successively set on the chimney and all with the chimney from top to bottom to be connected.Second cigarette
Road is connected with the smoke induced draught fan variable-frequency motor.3rd flue and the preheater turning motor variable frequency adjustment device phase
Connection.The flue gas sampling pump is arranged on the 3rd flue.Two damper actuators are arranged on the chimney
On.The main hot-flow flue is circumferentially positioned at the bottom of the burner hearth.Each burner is arranged on the drop-bottom.Each
Burner hearth multiple spot flue gas sampling pump, temperature sensor, furnace pressure meter and the pressure transmitter, burner hearth infrared surveillance imager are all
It is arranged in the side wall of the burner hearth.The flue gas analyzer is arranged on chimney or the second flue or the 3rd flue.
In one of the embodiments, described system control cabinet includes the intelligent terminal controller with A/D interfaces.Institute
Flue gas analyzer, burner hearth multipoint circulation flue gas analyzer, burner hearth infrared surveillance imager, furnace pressure meter and pressure is stated to become
Device, temperature sensor is sent to connect the A/D interfaces of intelligent terminal controller directly or by transmitter.
The advantages of the utility model and beneficial effect：
1st, macro-control heating furnace is burnt the utility model on the whole, and combustion efficiency is commented by whole smoke discharging
Valency, control
Fuel and total blast volume, heating furnace burning is set to reduce coefficient of excess air closer to stoichiometric and reduce fume emission
Total amount, improve heater efficiency.
2nd, the Combustion System of the single burner of the utility model has targeting formula, is sampled by timing cycle, single burning
Device is precisely controlled, and burning is played burner optimum performance close to stoichiometric, is improved efficiency of combustion.
3rd, the utility model reduces excess air coefficient in burner hearth, and oxygen content is reduced so that generation NOxTotal amount significantly
Degree is reduced, so as to reach ultralow NOxDischarge, as efficiency of combustion raising and the reduction of excess air, thermal efficiency of heating furnace are also entered
One step improves, and saves fuel, reduces fume emission total amount.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is utility model works schematic diagram.
Embodiment
For the ease of understanding the utility model, the utility model is comprehensively described below with reference to relevant drawings.
Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can be embodied in many different forms, and
It is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made in disclosure of the present utility model
Hold more thorough and comprehensive.
It should be noted that when element is referred to as " setting " in another element, it can be directly in another element
Above or there may also be element placed in the middle.When an element be considered as with another element " being connected ", it can be direct
Another element is connected to, or may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Embodiment 1
Refer to Fig. 1 and Fig. 2, a kind of targeting formula CO is the Burning Control System of Heating Furnace of control variable, including scene is held
Row part, field control part, remote control part, monitoring exchange, database server, hop.
Wherein, three frequency-conversion control cabinets 27 that field control part includes system control cabinet 6, is connected with system control cabinet 6
With engineer station 21.Wherein, hop includes internet+MODBUS buses.
Wherein, total monitoring system that exchange 24 includes being made up of PC and configuration software is monitored.
Wherein, remote control point includes the RTU being connected by internet with total monitoring system.Monitoring is total
Machine 24 connects database server by hop.
Wherein, live executable portion include heating furnace, be connected to system control cabinet 6 on-line monitoring and perform control set
It is standby.
Specifically, on-line monitoring and perform control device include two damper actuators 2, flue gas analyzer 4,
3, three groups of combustion parts of flue gas sampling pump, main hot-flow flue 15, main hot-flow flue baffle plate, main fuel road 19, gas control valve 20, burner hearth
Multipoint circulation flue gas analyzer 5, burner hearth infrared surveillance imager 7, furnace pressure meter and pressure transmitter 8, temperature sensor 9,
Smoke induced draught fan variable-frequency motor 11, preheater turning motor variable frequency adjustment device 12, air-blaster variable-frequency motor 13.
Specifically, every group of combustion parts all with main hot-flow flue 15, main fuel road 19 and burner hearth multipoint circulation flue gas analyzer 5
It is connected.Main fuel road 19 is provided with gas control valve 20.11st, preheater turning motor variable frequency adjustment device 12, air-blaster become
Frequency motor 13 is respectively connected by a frequency-conversion control cabinet 27 with system control cabinet 6.Each damper actuator 2, flue gas
Analyzer 4, every group of combustion parts, gas control valve 20, burner hearth multipoint circulation flue gas analyzer 5, burner hearth infrared surveillance imager
7th, furnace pressure meter and pressure transmitter 8, temperature sensor 9 are all connected with system control cabinet 6.Flue gas sampling pump 3 and flue gas
Qi leel analyzer 4 is connected.Main hot-flow flue 15 is connected by main hot-flow flue baffle plate with preheater turning motor variable frequency adjustment device 12.In advance
Hot device turning motor variable frequency adjustment device 12 respectively with air-blaster variable-frequency motor 13, smoke induced draught fan variable-frequency motor 11 and heating
Stove is connected.Smoke induced draught fan variable-frequency motor 11 is connected with heating furnace.
Wherein, every group of combustion parts include burner 14, burner hearth multiple spot flue gas sampling pump 10, manual modulation valve 17, Zhi Feng
Road baffle plate actuator 16, manual gas control valve 18 and burner throttle.
Specifically, burner 14 is connected by burner throttle with main hot-flow flue 15.Burner 14 respectively with main fuel
Road 19 is connected.Burner hearth multiple spot flue gas sampling pump 10 is connected with burner hearth multipoint circulation flue gas analyzer 5.Burner 14 and main heat
Manual modulation valve 17 and branch air duct baffle plate actuator 16 are provided between air channel 15.Hand is provided between burner 14 and main fuel road 19
Dynamic gas control valve 18.
Wherein, heating furnace includes burner hearth 30, drop-bottom, chimney 1, the second flue 28 and the 3rd flue 29.
Specifically, chimney 1 is arranged on the top of burner hearth 30.Drop-bottom is arranged on the bottom of burner hearth 30.The He of second flue 28
3rd flue 29 is vertically successively set on chimney 1 and all with chimney 1 from top to bottom to be connected.Second flue 28 and flue gas air inducing
Machine variable-frequency motor 11 is connected.3rd flue 29 is connected with preheater turning motor variable frequency adjustment device 12.Flue gas sampling pump 3 is set
Put on the 3rd flue 29.Two damper actuators 2 are arranged on chimney 1.Main hot-flow flue 15 is circumferentially positioned at burner hearth 30
Bottom.Each burner 14 is all disposed within drop-bottom.Each burner hearth multiple spot flue gas sampling pump 10, temperature sensor 9, burner hearth
Pressure gauge and pressure transmitter 8, burner hearth infrared surveillance imager 7 are all disposed within the side wall of burner hearth 30.Flue gas analyzer 4
It is arranged on the flue 28 of chimney 1 or second or the 3rd flue 29.
Wherein, flue gas sampling pump 3 is used for the sampling of flue gas, is connected by pipeline and cable with flue gas analyzer 4, will
The flue gas sample of collection delivers to flue gas analyzer 4 and carries out detection flue gas composition, flow, temperature, and the data of analysis are transmitted
To system control cabinet 6.
Specifically, damper actuator 2, which is used to perform, controls to adjust baffle opening, pass through cable and system control cabinet 6
Between be controlled the transmission of signal and blade opening position signalling.
Wherein, three burner hearth multiple spot flue gas sampling pumps 10 are used for the sampling of flue gas, and sample mode is circulating sampling, Mei Gedian
Sample in turn, and the flue gas sample of collection is delivered into burner hearth multipoint circulation flue gas analyzer 5, each burner hearth multiple spot flue gas sampling pump
10 are all connected with burner hearth multipoint circulation flue gas analyzer 5 by pipeline and cable, and burner hearth multipoint circulation flue gas analyzer 5 is automatically right
Each flue gas sample should be analyzed, and analysis result is sent to system control cabinet 6.
Specifically, burner hearth infrared surveillance imager 7 is used to monitor inside burner hearth 30, system is passed the signal to by cable
Switch board 6.Furnace pressure meter and pressure transmitter 8 and temperature sensor 9 are used to detect the pressure of burner hearth 30 and temperature, and each will
Signal is sent to system control cabinet 6 by cable.
Wherein, the aperture of branch air duct baffle plate actuator 16 and gas control valve 20 is controlled by system control cabinet 6.Manually
Regulating valve 17 and manual gas control valve 18 provide the effect of regulation air and combustion gas manually.
Specifically, damper actuator 2 and smoke induced draught fan variable-frequency motor 11 are mainly used in adjusting the pressure of burner hearth 30.It is empty
Enraged fan frequency conversion motor 13 is mainly used in adjusting main hot-flow flue to air quantity and to wind pressure, ensures that heating furnace combustion system is always fired
Expect that gas matches with total blast volume close to Theoretical combustion, play the efficiency of combustion of maximum.Mainly adjustment is single for branch air duct baffle plate actuator 16
Platform correspond to burner 14 to air quantity.
Wherein, system control cabinet 6 includes the intelligent terminal controller with A/D interfaces.Flue gas analyzer 4, burner hearth
Multipoint circulation flue gas analyzer 5, burner hearth infrared surveillance imager 7, furnace pressure meter and pressure transmitter 8, temperature sensor 9 are straight
Connect or connected by transmitter the A/D interfaces of intelligent terminal controller.In the present embodiment, intelligent terminal controller with
ZDRG-FX-40-4-2 controllers are main control unit.
Wherein, RTU includes long-range PC26, PAD25, mobile control terminal 22.
Specifically, monitoring exchange 24 is provided with System Management Unit, in addition to contain the graphical, man-machine interaction of centralization
System.
Wherein, engineer station 21 includes more desktop computers.The effect of engineer station 21 is on the one hand to carry out field data
Collection, computing, issue monitoring instruction；On the other hand to monitoring exchange 24 transmit data, receive control instruction, and by computing to
System control cabinet issue performs control instruction.
Wherein, it is by WEB page browsings device and wifi that LAN, which browses, observes the monitoring picture issued by monitoring exchange 24
Face.
The utility model is configured with live display unit (HMI), user-friendly, makes that mode of operation is graphical, concentrates
Change.Using PP I bus communication modes, antijamming capability is preferable, and networking mode is simple, and farther out, signal relaying is set transmission range
It is calculated as system signal transmission and provides guarantee.
It should be noted that：The utility model, which can be directed to user, to be needed, and deletes some of configurations and function, such as stove
Thorax infrared photography function, rotary air preheater control, remote intervention and data transmission.In order to user's technological operation system
DCS is matched, it is actual implement in system control cabinet 6 and engineer station 21 be provided with DCS communication functions, all online acquisitions
Data are sent to user's DCS technological operation systems.
The utility model is equipped with the burning control in heating furnace of more than two burners 14 only for petrochemical industry, inapplicable only to set
It is equipped with the burning control in heating furnace of burner 14 and the Combustion System of other industrial furnaces.In addition, the operation according to user
Need, this control system can be controlled for the control model that the CO of chimney 1 or flue is control variable from based on flue gas CO
Variable Control mode is switched to based on flue gas O2To control Variable Control mode, and the negative of burning control in heating furnace will not be caused
Face acts on, and also the CO not to the single burner of burner hearth 14 is that the control model for controlling variable makes a difference.
Operation principle and the course of work of the present utility model：
（1）When user needs to adjust fuel gas total amount according to technique, gas control valve 20 is operated by system control cabinet 6,
It is that requirement progressively adjusts in this regulation technological operation.
（2）Flue gas sampling pump 3 samples to the flue gas of whole heating furnace, and the flue gas composition after sampling is by flue gas qi leel
Analyzer 4 is analyzed；Each burner hearth multiple spot flue gas sampling pump 10 carries out circulating sampling, and burner hearth multipoint circulation flue gas analyzer 5 is right
The flue gas composition of each burner hearth multiple spot flue gas sampling pump 10 after sampling is analyzed in turn；Flue gas analyzer 4, burner hearth are more
Dot cycle flue gas analyzer 5, burner hearth infrared surveillance imager 7, furnace pressure meter and pressure transmitter 8, temperature sensor 9 are to cigarette
Pressure, flow, temperature and the O of gas2、CO、NOx、SO2, humidity, the parameter such as dust analyzed, and pass through pressure, flow, temperature
And O2、CO、NOx、SO2, humidity, the various sensors and transmitter such as dust be converted into 4-20mA.DC standard analog signals, directly
The A/D interfaces of the intelligent terminal controller of access system switch board 6.Intelligent terminal controller sends all measured values timing
Handled to 21 upper main frame of engineer station.
（3）After engineer station's machine data processing, one side output instruction signal carries out associative operation to each actuator, separately
On the one hand engineer station 21 is outputed signal to be shown.
Control air-blaster variable-frequency motor or main hot-flow flue baffle plate are comprised at least in actuator associative operation, for adjusting
Main hot-flow flue air quantity, and the burner of that group of combustion parts corresponding during control burner hearth multipoint circulation flue gas analyzer operation
Air door, adjust the reasonable distribution of combustion air total amount.
It is in the basic logic of each operation of execution：According to load variations, damper actuator 2, smoke induced draught fan frequency conversion
Motor 11, air-blaster variable-frequency motor 13, the co-operating of branch air duct baffle plate performer 16, to ensure the pressure of burner hearth 30, really
The pressure of burner hearth 30 is protected in the range of safety value；Damper actuator 2 and smoke induced draught fan variable-frequency motor 11 are mainly used in adjusting
The pressure of burner hearth 30.Air-blaster variable-frequency motor 13 is mainly used in adjusting main hot-flow flue to air quantity and to wind pressure, ensures heating
The total fuel gas of stove combustion system matches with total blast volume close to Theoretical combustion, plays the efficiency of combustion of maximum, and branch air duct baffle plate performs
Device 16 mainly adjust separate unit correspond to burner 14 to air quantity, and to air quantity adjustment according to be exactly using CO content in smoke as control
Variable processed, when CO concentration is high, increase to air quantity；When CO concentration is low, reduce to air quantity；Targeting formula is carried out to every burner 14
Timing evaluation and control, make every fuel gas of burner 14 and are matched to air quantity close to Theoretical combustion, are precisely controlled every to play
The best combustion efficiency of platform burner 14.
Wherein, the regulation of combustion air total amount, by the aperture of adjustment flue damper, main hot-flow flue baffle plate, and each combustion
The aperture of the air door of burner 14, wherein, regulation flue damper aperture can adjust the pressure of burner hearth 30；When the pressure of burner hearth 30 adjusts, together
The main hot-flow flue baffle opening of step section, can adjust combustion air total amount and pressure；Adjusting each air door of burner 14 can adjust
The reasonable distribution of whole combustion air total amount.The regulation of fuel quantity, adjusted by the manual modulation valve 18 on adjustment burning line or combustion gas
Save the aperture of valve 20.
（4）CO controls realize that optimizing ratio of air to fuel operates, and control strategy is as shown in Figure 3.According to CO in combustion process and surplus
O2The relation of amount, crossing O2Measure hour, CO changes are very fast, are advantageous to Fuzzy Seeking；Superfluous O2When measuring larger, CO change in concentration is too
Slowly, therefore, control system switches to O2Amendment tandem PI control.
According to CO concentration in flue gas and O2The control variable relation that concentration value is set is as follows：
When CO is less than 15ppm, O is switched to2Amendment tandem PI control；
When CO is higher than 30ppm, fuzzy self optimizing control is switched to；
When CO is between 15ppm to 30ppm, stop optimizing if being currently fuzzy control method；If O2Correcting mode is then
Still keep automated manner；If O2Correcting mode and current oxygen amount is too high（Leak out and cause error）Biasing is then set manually（BIAS）
Correct.
Dotted line frame is fuzzy self optimizing control device, and it finds optimal air/fuel ratio using CO optimum values as index.Each week
Phase measures CO contents, and this controlled quentity controlled variable is determined according to variable quantity and upper cycle output control amount.K1 be CO increments quantization because
Son, K2 are scale factor, and output control amount is converted to corresponding air quantity and instructed by it.
The utility model by monitoring the man-machine interactive system of exchange, operator can convenient initialization system parameter control
System, alarming value, realize the automatic burning control by the utility model control system；Can also human intervention carry out system, will
Control parameter inputs immediately, realizes the manual control of combustion process.Whether control parameter set in advance, or manual intervention
The control parameter of input, by being converted into the corresponding actions of each actuator after the utility model control system calculation process,
Such as baffle blades aperture, valve flow adjustment, motor speed control etc..Operating computer screen has intuitively dynamic graphical interface
It has been shown that, operator need to only click on each functional area of interface display, and data input is carried out by interface prompt or helping prompt.
The utility model realizes the online circulating sampling of multiple spot in heating furnace burner hearth, sets a burner hearth multipoint circulation flue gas point
Analyzer 5, content of CO in smoke corresponding to each burner 14 is analyzed in turn, and intelligent terminal is connected by data signal line
Controller（Intelligent RTU）, intelligent terminal controller is acquired to data, analyzed, computing, and the signal such as output control, alarm,
Intelligent terminal controller can be controlled by instruction and actuator action to burner throttle in automatic mode；Can also
Controlled by the way that PC man-machine interfaces are interactive, and by inputting burner throttle actuator corresponding to execute instruction driving, adjustment air door
Size, it is precisely controlled so as to reach burning targeting formula.
The advantages of the utility model and beneficial effect：
1st, macro-control heating furnace is burnt the utility model on the whole, and combustion efficiency is commented by whole smoke discharging
Valency, control
Fuel and total blast volume, heating furnace burning is set to reduce coefficient of excess air closer to stoichiometric and reduce fume emission
Total amount, improve heater efficiency.
2nd, the Combustion System of the single burner 14 of the utility model has targeting formula, is sampled by timing cycle, single combustion
Burner 14 is precisely controlled, and burning is played the optimum performance of burner 14 close to stoichiometric, is improved efficiency of combustion.
3rd, the utility model reduces excess air coefficient in burner hearth 30, and oxygen content is reduced so that generation NOxTotal amount it is big
Amplitude is reduced, so as to reach ultralow NOxDischarge, with efficiency of combustion raising and the reduction of excess air, thermal efficiency of heating furnace
Further improve, save fuel, reduce fume emission total amount.
Embodiment described above only expresses a kind of embodiment of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (3)
1. a kind of targeting formula CO is the Burning Control System of Heating Furnace of control variable, including live executable portion, field control portion
Point, remote control part, monitoring exchange, database server, hop, described field control part include system control
Cabinet, three frequency-conversion control cabinets being connected with system control cabinet and engineer station；Described live executable portion includes heating furnace, connected
It is connected to the on-line monitoring of system control cabinet and performs control device；Described hop includes internet+MODBUS buses；Institute
The monitoring exchange stated includes the total monitoring system being made up of PC and configuration software, and described remote control point is included by mutual
The RTU that networking is connected with total monitoring system；Described monitoring exchange connects database service by hop
Device, the monitoring exchange are connected with the engineer station, it is characterised in that：
Described on-line monitoring and execution control device includes two damper actuators, flue gas analyzer, flue gas and adopted
Sample pump, at least two groups of combustion parts, main hot-flow flue, main hot-flow flue baffle plate, main fuel road, gas control valve, burner hearth multipoint circulation
Flue gas analyzer, burner hearth infrared surveillance imager, furnace pressure meter and pressure transmitter, temperature sensor, smoke induced draught fan become
Frequency motor, preheater turning motor variable frequency adjustment device, air-blaster variable-frequency motor；
Combustion parts described in every group are all connected with the main hot-flow flue, main fuel road and burner hearth multipoint circulation flue gas analyzer, institute
State main fuel road and be provided with the gas control valve, the smoke induced draught fan variable-frequency motor, preheater turning motor variable frequency adjustment
Device, air-blaster variable-frequency motor are respectively connected by a frequency-conversion control cabinet with the system control cabinet, each cigarette
Road baffle plate actuator, flue gas analyzer, every group of combustion parts, gas control valve, burner hearth multipoint circulation flue gas analyzer, stove
Thorax infrared surveillance imager, furnace pressure meter and pressure transmitter, temperature sensor are all connected with the system control cabinet, described
Flue gas sampling pump is connected with the flue gas analyzer, and the main hot-flow flue passes through the main hot-flow flue baffle plate and the preheating
Device turning motor variable frequency adjustment device is connected, and the preheater turning motor variable frequency adjustment device becomes with the air-blaster respectively
Frequency motor, smoke induced draught fan variable-frequency motor are connected with heating furnace, the smoke induced draught fan variable-frequency motor and the heating furnace phase
Connection；
Combustion parts described in every group include burner, burner hearth multiple spot flue gas sampling pump, manual modulation valve, branch air duct baffle plate and performed
Device, manual gas control valve and burner throttle, the burner are connected by the burner throttle with the main hot-flow flue
Logical, the burner is connected with the main fuel road, the burner hearth multiple spot flue gas sampling pump and the burner hearth multipoint circulation cigarette
Qi leel analyzer is connected, and the manual modulation valve is provided between the burner and the main hot-flow flue and branch air duct baffle plate performs
Device, manual gas control valve is provided between the burner and the main fuel road.
2. a kind of targeting formula CO according to claim 1 is the Burning Control System of Heating Furnace of control variable, its feature exists
In the heating furnace includes burner hearth, drop-bottom, chimney, the second flue and the 3rd flue；
The chimney is arranged on the top of the burner hearth, and the drop-bottom is arranged on the bottom of the burner hearth, second flue
Vertically be successively set on the chimney and all with the chimney and be connected from top to bottom with the 3rd flue, second flue with
The smoke induced draught fan variable-frequency motor is connected, and the 3rd flue is connected with the preheater turning motor variable frequency adjustment device
Logical, the flue gas sampling pump is arranged on the 3rd flue, and two damper actuators are arranged on the chimney,
The main hot-flow flue is circumferentially positioned at the bottom of the burner hearth, and each burner is arranged on the drop-bottom, Mei Gesuo
State burner hearth multiple spot flue gas sampling pump, temperature sensor, furnace pressure meter and pressure transmitter, burner hearth infrared surveillance imager is all set
Put in the side wall of the burner hearth, the flue gas analyzer is arranged on chimney or the second flue or the 3rd flue.
3. a kind of targeting formula CO according to claim 1 is the Burning Control System of Heating Furnace of control variable, its feature exists
In：Described system control cabinet includes the intelligent terminal controller with A/D interfaces, and the flue gas analyzer, burner hearth are more
Dot cycle flue gas analyzer, burner hearth infrared surveillance imager, furnace pressure meter and pressure transmitter, temperature sensor are direct or logical
Cross the A/D interfaces of transmitter connection intelligent terminal controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720005673.5U CN206973609U (en) | 2017-01-04 | 2017-01-04 | A kind of targeting formula CO is the Burning Control System of Heating Furnace of control variable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720005673.5U CN206973609U (en) | 2017-01-04 | 2017-01-04 | A kind of targeting formula CO is the Burning Control System of Heating Furnace of control variable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206973609U true CN206973609U (en) | 2018-02-06 |
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ID=61414950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720005673.5U Active CN206973609U (en) | 2017-01-04 | 2017-01-04 | A kind of targeting formula CO is the Burning Control System of Heating Furnace of control variable |
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| Country | Link |
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| CN (1) | CN206973609U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490018A (en) * | 2017-01-04 | 2017-12-19 | 岳阳钟鼎热工电磁科技有限公司 | A kind of targeting formula CO is the Burning Control System of Heating Furnace and control method of control variable |
| CN108958156A (en) * | 2018-07-02 | 2018-12-07 | 深圳市佳运通电子有限公司 | Heating furnace on-line condition monitoring system |
-
2017
- 2017-01-04 CN CN201720005673.5U patent/CN206973609U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490018A (en) * | 2017-01-04 | 2017-12-19 | 岳阳钟鼎热工电磁科技有限公司 | A kind of targeting formula CO is the Burning Control System of Heating Furnace and control method of control variable |
| CN107490018B (en) * | 2017-01-04 | 2023-04-18 | 岳阳钟鼎热工电磁科技有限公司 | Heating furnace combustion control system with targeted CO as control variable and control method |
| CN108958156A (en) * | 2018-07-02 | 2018-12-07 | 深圳市佳运通电子有限公司 | Heating furnace on-line condition monitoring system |
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Denomination of utility model: A targeted combustion control system of heating furnace with CO as control variable Effective date of registration: 20220329 Granted publication date: 20180206 Pledgee: Agricultural Bank of China Limited Yueyang dongmaoling sub branch Pledgor: YUEYANG MAPOWER THERMPROCESS & ELECTROMAGNETIC TECHNOLOGY Co.,Ltd. Registration number: Y2022980003302 |
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Date of cancellation: 20230425 Granted publication date: 20180206 Pledgee: Agricultural Bank of China Limited Yueyang dongmaoling sub branch Pledgor: You Shuhuai|YUEYANG MAPOWER THERMPROCESS & ELECTROMAGNETIC TECHNOLOGY Co.,Ltd. Registration number: Y2022980003302 |