CN102072489B - Combustor - Google Patents
Combustor Download PDFInfo
- Publication number
- CN102072489B CN102072489B CN201110046269XA CN201110046269A CN102072489B CN 102072489 B CN102072489 B CN 102072489B CN 201110046269X A CN201110046269X A CN 201110046269XA CN 201110046269 A CN201110046269 A CN 201110046269A CN 102072489 B CN102072489 B CN 102072489B
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- Prior art keywords
- air door
- fuel
- burner
- air
- door mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
- F23N1/025—Regulating fuel supply conjointly with air supply using electrical or electromechanical means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/60—Devices for simultaneous control of gas and combustion air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L13/00—Construction of valves or dampers for controlling air supply or draught
- F23L13/02—Construction of valves or dampers for controlling air supply or draught pivoted about a single axis but having not other movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L3/00—Arrangements of valves or dampers before the fire
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L5/00—Blast-producing apparatus before the fire
- F23L5/02—Arrangements of fans or blowers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N3/00—Regulating air supply or draught
- F23N3/002—Regulating air supply or draught using electronic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N3/00—Regulating air supply or draught
- F23N3/02—Regulating draught by direct pressure operation of single valves or dampers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N3/00—Regulating air supply or draught
- F23N3/08—Regulating air supply or draught by power-assisted systems
- F23N3/082—Regulating air supply or draught by power-assisted systems using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2233/00—Ventilators
- F23N2233/06—Ventilators at the air intake
- F23N2233/08—Ventilators at the air intake with variable speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2235/00—Valves, nozzles or pumps
- F23N2235/02—Air or combustion gas valves or dampers
- F23N2235/06—Air or combustion gas valves or dampers at the air intake
Abstract
The invention discloses a combustor, which comprises a combustion head, an ignitor, a fuel conveying/regulating device, a combustion air conveying/regulating device, a safe operation monitoring device and an electric control device, wherein the combustion air conveying/regulating device is provided with an air door mechanism controlled by an air door actuator and a frequency converter for controlling the rotate speed of an air blast motor and is provided with a displacement sensor which is linked with the air door actuator to control the output frequency of the frequency converter; a programming controller of the electric control device instructs the air door actuator to control the switching value of the air door mechanism according to the requirement of fuel loads; and the frequency converter adjusts the frequency output of the frequency converter to the air blast motor according to a switching value signal, which is detected by the displacement sensor, of the air door mechanism so as to control the rotate speed of the air blast motor. Thus, the firepower regulating ratio range of the combustor can be widened by the combination of frequency control and air door regulation.
Description
Technical field
The present invention relates to a kind of combustion apparatus, refer in particular to a kind of burner.
Background technology
The common burner that is used for heat-exchange apparatus such as boiler, air-conditioning unit and firing equipments such as drying machine, annealing device; Be the higher electromechanical integrated product of a kind of automaticity, mainly form by various pieces such as combustion head, igniter, fuel conveying/adjusting device, combustion air conveying/adjusting device, safe operation monitoring device and electric control gears.Wherein, the effect of combustion air conveying/adjusting device is to blow into enough air to the combustion chamber of combustion head, to satisfy the needs of fuel (like combustion gas or fuel oil) burning.Traditional burner, its air blast are constant speed drive, and like this, when low load combustion, the motor of air blast still turns round with constant power, and has caused the waste of motor part input power.
The burner design that frequency converter is set in air blast and passes through the Frequency Converter Control motor rotation is also arranged; For example State Intellectual Property Office in June 30 in 2004 Granted publication the patent No. be the utility model patent of ZL03243710.3, the automatic blowing type gas burner of a kind of frequency conversion is promptly disclosed, it is provided with a frequency converter; This frequency converter is connected with the cyclelog of electric control gear, the motor of air blast respectively; It controls the output frequency of frequency converter according to the variation of boiler live load by cyclelog, thereby controls the operating frequency of motor; To realize accurate adjusting, reach and improve efficiency of combustion, energy-conservation purpose air quantity.
Yet, only adopt the burner of frequency converter timing to exist the narrower defective of firepower adjusting proportion, as shown in Figure 1; Be the working curve diagram of typical frequency control burner, when the high rotating speed of air blast (n1) moved, the numerical value of Δ P1 was higher; And along with the rotating speed of air blast descends, the numerical value of Δ P can reduce gradually, promptly Δ P1＞Δ P2＞Δ P3＞...＞Δ Pn; If when the numerical value of Δ P is reduced to certain low value, just lose adaptive ability, cause the instability of flame to flame.Generally speaking, only adopt the firepower adjusting proportion of the burner of frequency converter timing to be about 2: 1, i.e. big fire output 100%, little fire then exports 50%.
Summary of the invention
The invention reside in and solve the narrower technical problem of existing firepower adjusting proportion in the existing burner, a kind of burner that the broad firepower is regulated proportion that has is provided.
In order to solve the problems of the technologies described above; The technical scheme of the present invention through being described below: a kind of burner; It includes combustion head, igniter, fuel conveying/adjusting device, combustion air conveying/adjusting device, safe operation monitoring device and electric control gear; Said combustion air conveying/adjusting device includes a housing, and is arranged at blasting vane wheel in the said housing, and is arranged at air door baffle plate that air door mechanism, on the said housing is connected in said air door mechanism with blower motor, that said blasting vane wheel being used to of connecting drives this blasting vane wheel rotation and is used to detect the frequency converter that the displacement transducer and of the switching value of said air door mechanism is connected with displacement transducer with this blower motor respectively with the air door actuator, of the switching value of controlling this air door mechanism; Wherein, Said housing connects with said combustion head through an ajutage; Said air door actuator is connected with the cyclelog of said electric control gear and controls its action by said cyclelog; Said cyclelog outputs signal to said air door actuator to control the switching value of said air door mechanism according to the needs of burning load; Said displacement transducer inputs to said frequency converter with detected switching value signal about air door mechanism; Said frequency converter is adjusted its frequency output for said blower motor in view of the above; Said cyclelog is connected with a firepower adjustment control, said firepower adjustment control be connected with one place the heat power equipment place temperature/pressure sensor, it detects the temperature/pressure at heat power equipment place; Feed back to said firepower adjustment control and calculate the switching value of air door mechanism in view of the above, and be passed to said cyclelog and carry out to control said air door actuator.
In the said burner; The set fuel control valve of said fuel conveying/adjusting device is that air/fuel compares fuel control valve; It is provided with a blast detector tube with the blast in the ajutage that detects said combustion air conveying/adjusting device; And the switching value of fuel metering control valve in view of the above, with the control flow fuel.
In the said burner; Said fuel control valve is built-in with a servo stable-pressure device; It is provided with a fuel pressure detector tube detecting the fuel pressure at said fuel control valve valve export place, and the switching value of fuel metering control valve in view of the above, to keep the stable of valve exit fuel pressure.
In the said burner, said displacement transducer is arranged on the said air door actuator.
In the said burner, said displacement transducer is arranged on the said air door mechanism.
In the said burner, said displacement transducer is a potentiometer.
In the said burner, said current potential is counted knob or slidingtype potentiometer.
In the said burner, said frequency converter is connected with said cyclelog and controls its switch by this cyclelog.
Useful technique effect of the present invention is: the air-blast device of this burner is provided with one by the air door mechanism of air door actuator control and the frequency converter of a control blower motor rotating speed; And be provided with one with the displacement transducer of air door actuator interlock output frequency with the control frequency converter; Cyclelog is according to the switching value of the needs instruction air door actuator control air door mechanism of burning load; Frequency converter is then adjusted its frequency output for blower motor according to the switching value signal about air door mechanism that displacement transducer detected; The rotating speed of control blower motor; Like this, through the combination of frequency control and air door mechanism adjusting dual mode, the firepower that can widen burner is regulated proportion.
Description of drawings
Fig. 1 is the existing working curve diagram that adopts the burner of frequency converter timing.
Fig. 2 is the structural representation of burner of the present invention.
Fig. 3 is the part-structure sketch map of burner of the present invention.
Fig. 4 is the structural representation of the part control circuit of burner of the present invention.
Fig. 5 is the structural representation of another part control circuit of burner of the present invention.
Fig. 6 is the sketch map that the frequency converter of burner of the present invention is provided with.
Fig. 7 is the employing frequency converter timing of burner of the present invention and the working curve diagram that import formula air door is regulated.
Fig. 8 is the employing frequency converter timing of burner of the present invention and the working curve diagram that the exit type air door is regulated.
The specific embodiment
For making those of ordinary skill in the art be expressly understood the object of the invention, technical scheme and advantage more, the present invention is done further elaboration below in conjunction with accompanying drawing and embodiment.
Referring to figs. 2 to shown in Figure 5; The disclosed burner of the present invention includes a combustion head 10, an igniter (not illustrating among the figure), a fuel conveying/adjusting device 12, a combustion air conveying/adjusting device 14, a safe operation monitoring device (not illustrating among the figure) and an electric control gear 16; This electric control gear 16 is connected with igniter, fuel conveying/adjusting device 12, combustion air conveying/adjusting device 14, safe operation monitoring device respectively; Controlling operation of above-mentioned each device, and accomplish the automatically working of this burner.
This combustion head 10 includes a flame tube 100 and and is arranged at the nozzle 101 in this flame tube 100; This nozzle 101 connects with fuel conveying/adjusting device 12 through cartridge 120; Fuel (combustion gas or fuel oil) is delivered to nozzle 101 by this fuel conveying/adjusting device 12, and burns.Usually, also be provided with a stable flame pan 102 corresponding to these nozzle 101 places, this stable flame pan 102 can be located at the place, the place ahead of this nozzle 101, also can be located at the place, rear of this nozzle 101.
This igniter include one be adjacent to these nozzle 100 places ignitor, this ignitor is connected with the cyclelog 160 of electric control gear 16 through an igniting transformer A1.
In conjunction with shown in Figure 5; Fuel conveying/adjusting device 12 includes cartridge 120, is arranged at the fuel control valve 121 on this cartridge 120 and the driven valve A2 that is controlled by cyclelog 160, easing valve A3, kindling material valve A4, low fuel pressure protected location A5, high fuel pressure protected location A6 and fuel valve leak detection unit A7 etc.; Certainly; Fuel conveying/adjusting device 12 is not limited to above-mentioned structure, and it can adopt various suitable fuel conveying/adjusting device of the prior art.
This fuel control valve 121 be air/fuel than fuel control valve, it is provided with a blast detector tube 122 detecting the blast (air quantity) in the ajutage 148, and the switching value of regulating this fuel control valve 121 in view of the above, thus the control flow fuel.Preferentially; This fuel control valve 121 is built-in with a servo stable-pressure device; It is provided with a fuel pressure detector tube 123 detecting the fuel pressure at these fuel control valve 121 valve export places, and the switching value of regulating this fuel control valve 121 in view of the above, to keep the stable of valve exit fuel pressure.
This combustion air conveying/adjusting device 14 includes a housing 140, and is arranged at blasting vane wheel 141 in this housing 140, and is formed at air door baffle plate 144 that air door mechanism 143, on this housing 141 is connected in this air door mechanism 143 with blower motor 142, that this blasting vane wheel 141 being used to of connecting drives these blasting vane wheel 141 rotations and is installed on being used on the air door actuator 145 with the air door actuator 145, of the switching value of controlling this air door mechanism 143 and detects the frequency converter 147 that the displacement transducer 146 and of the switching value of this air door mechanism 143 is connected with displacement transducer 146 with this blower motor 142 respectively; Wherein, Air door actuator 145 is connected with cyclelog 160 and controls its actions by this cyclelog 160; Frequency converter 147 is connected with cyclelog 160 and controls its switches by this cyclelog 160, and this housing 140 then connects with the flame tube 100 of combustion head 10 through an ajutage 148.Cyclelog 160 outputs signal to the switching value of air door actuator 145 with control air door mechanism 143 according to the needs of burning load; Displacement transducer 146 inputs to frequency converter 147 with detected switching value signal about air door mechanism 143; This frequency converter 147 is adjusted its frequency output for blower motor 142 in view of the above, thus the rotating speed of control blower motor 142.
In the foregoing description; This displacement transducer 146 is installed on the air door actuator 145 to detect the switching value of air door 143; Obviously; Also can displacement transducer 146 be arranged at (for example in the rotating shaft of air door baffle plate 144) on the air door mechanism 143, it also can detect the switching value of air door mechanism 143.
Preferably; Displacement transducer 146 adopts the potentiometer of knob or slidingtype; Make air door mechanism 143 and potentiometer interlock; When the switching value of air door actuator 145 damper mechanisms 143, potentiometer serves as the control input of frequency converter 147 according to the different resistance of transfer (or translation of sliding distance) output of its anglec of rotation.
This cyclelog 160 is connected with a firepower adjustment control 150; This firepower adjustment control 150 be connected with one place heat power equipment (comprising heat-exchange apparatus or firing equipment etc.) to locate temperature/pressure sensor 151; It detects the temperature/pressure at heat power equipment place; Feed back to this firepower adjustment control 150 and calculate the switching value of air door mechanism 143 in view of the above, and be passed to this cyclelog 160 to control this air door actuator 145 execution.
The safe operation monitoring device mainly includes flame monitor A8, and it is used to keep watch on the situation of combustion flame, and produces signal feedback to cyclelog 160.
With reference to shown in Figure 6; Frequency converter 147 is provided with lower bound output frequency and high limit output frequency; Between lower bound output frequency and high limit output frequency, its output frequency for blower motor 142 is regulated along with the signal of displacement transducer 146 accordingly, and accompanying drawing is counted example with current potential; Be that then the output frequency of this frequency converter 147 is corresponding adjustment along with the variation of potentiometric resistance between low, the high limit output frequency.Certainly, accompanying drawing 6 cited about the switch degree of potentiometric resistance, air door mechanism 143, the numerical value such as output frequency of frequency converter 147, be merely a kind of possible embodiment, be not to be used to limit the present invention.
Be the operation of the disclosed burner of example explanation the present invention with potentiometer as displacement transducer below, it mainly included like the next stage.
1, holding state: the automatic control loop contact separates, and the fuel supply is cut off, and air-blast device 14 shuts down, and air door mechanism 143 is closed, and waits for enabled instruction.
2, start: the automatic control loop closing of contact, burner begin to carry out a series of safe preliminary examination program, purging program before can beginning after security of system is confirmed.
3, preceding purge stages: air door actuator 145 rotates (or reach) forward, opens big air door 143 at a slow speed, and blower motor 142 starts simultaneously, begins to slowly run; Air door mechanism 143 is in opening big process; Change potentiometric resistance output; When potentiometric resistance output surpasses the lower bound setting of frequency converter 147, frequency converter 147 will be heightened output frequency according to the input resistance amount, and blower motor 142 is followed the aperture accelerated service of air door mechanism 143 indirectly; When potentiometric resistance output surpassed the high limit setting of frequency converter 147, blower motor 142 stopped speed-raising, continues running up, and accomplishes until preceding purge stages.
4, igniting: after preceding purge stages is accomplished; Air door actuator 145 is to counter-rotation (or then move); Turn down air door 143 at a slow speed, blower motor 142 (along with potentiometric output) reduces rotating speed simultaneously, and air door mechanism 143 stops at preset ignition location (or angle); At this moment blower motor 142 prepares the burning-point kindling material in the lower bound rotation speed operation; Ignitor energising arcing, kindling material valve A4 opens subsequently, only allows that fuel gets into combustion head 10 in a small amount; Light kindling material; After kindling material success burning-point and the affirmation, fuel control valve 121 is opened and is let fuel get into combustion head 10 burning-point master flames, treats to cut off kindling material valve A4 after main flame normal combustion and flame are normally confirmed; At this moment burner is accomplished ignition phase in little fiery power burning.
5, normal combustion; Load Regulation: in the normal combustion stage; Opening big and turning down by firepower adjustment control 150 of air door mechanism 143 taken over, and air door actuator 145 is opened big by load or turned down air door mechanism 143, resistance variations control frequency converter 147 outputs of potentiometer (with air door mechanism 143 interlocks); The rotating speed of blower motor 142 is quickened by 145 controls of air door actuator indirectly or slows down; Regulate because fuel control valve 121 is air/fuel proportion expressions, the blast in the flame tube 100 is high/low (air quantity big/little) control automatically fuel control valve 121 apertures big/little, increase/reduce the fuel input quantity.
6, the post-purge stage: when the automatic control loop contact separated, cyclelog 160 fuel shutoff valves stopped to import fuel, and burner begins the post-purge program; Air door actuator 145 rotates (or reach) forward and opens big air door mechanism 143, and blower motor 142 speed-raising runnings increase the purging blow rate required.If heat power equipment need not to carry out the post-purge program, the air blast in this stage purges program and will be skipped over.
7, (getting back to standby dress attitude) out of service: after the post-purge program is accomplished (or skipping over); Frequency converter 147 stops output (blower motor 142 shuts down); Air door mechanism 143 is carried out to counter-rotation (or then move) and is turned down air door mechanism, treats to stop when air door mechanism moves to the preset position of closing the door (or angle).Burner is adorned attitude in standby, waits for enabled instruction next time.
Air-blast device 14 of the present invention is provided with one by the air door mechanism 143 of air door actuator 145 controls and the frequency converter 147 of a control blower motor 142 rotating speeds; And be provided with one with the displacement transducer 146 of air door actuator 145 interlock output frequency with control frequency converter 147; Cyclelog 160 is according to the switching value of the needs instruction air door actuator 145 control air door mechanisms 143 of burning load; The switching value signal about air door mechanism 143 that frequency converter 147 is then detected according to displacement transducer 146 is adjusted its frequency output for blower motor 142; The rotating speed of control blower motor 142 like this, is regulated the combination of dual mode through frequency control and air door mechanism; The firepower that can widen burner is regulated proportion; Show the working curve diagram that burner adopts frequency converter timing to combine import formula air door mechanism to regulate like Fig. 7, Fig. 8 then shows the working curve diagram that burner adopts frequency converter timing to combine the exit type air door mechanism to regulate, and from accompanying drawing, can find out; Regulate the mode of interlock frequency control through air door mechanism; When burning load is big, then adopt frequency converter high-frequency output (correspondingly, the blower motor rotating speed is very fast) to cooperate big aperture air door mechanism regulative mode to realize, when burning load is big, then adopt the output of converter low-frequency rate (correspondingly; The blower motor rotating speed is slower) cooperate little aperture air door mechanism regulative mode to realize, thus can realize 5: 1 even wideer firepower adjusting proportion.
Above-mentionedly be merely preferred embodiment of the present invention; But not the present invention is done any pro forma restriction; For example, for combustion head, igniter, fuel conveying/adjusting device, safe operation monitoring device and the electric control gear etc. of burner, also can adopt the suitable structure of prior art; All equivalent variations or modifications of in the claim scope, being done all should fall within the protection domain of the present invention.
Claims (8)
1. burner; Include combustion head (10), igniter, fuel conveying/adjusting device (12), combustion air conveying/adjusting device (14), safe operation monitoring device and electric control gear (16); It is characterized in that: said combustion air conveying/adjusting device (14) includes a housing (140), and is arranged at blasting vane wheel (141) in the said housing (140), and is arranged at air door baffle plate (144) that air door mechanism (143), on the said housing (140) is connected in said air door mechanism (143) with blower motor (142), that said blasting vane wheel (141) being used to of connecting drives this blasting vane wheel (141) rotation and is used to detect the frequency converter (147) that the displacement transducer (146) and of the switching value of said air door mechanism (143) is connected with displacement transducer (146) with this blower motor (142) respectively with the air door actuator (145), of the switching value of controlling this air door mechanism (143); Wherein, Said housing (140) connects with said combustion head (10) through an ajutage (148); Said air door actuator (145) is connected with the cyclelog (160) of said electric control gear (16) and controls its action by said cyclelog (160); Said cyclelog (160) outputs signal to said air door actuator (145) to control the switching value of said air door mechanism (143) according to the needs of burning load; Said displacement transducer (146) inputs to said frequency converter (147) with detected switching value signal about air door mechanism (143); Said frequency converter (147) is adjusted its frequency output for said blower motor (142) in view of the above; Said cyclelog (160) is connected with a firepower adjustment control (150); Said firepower adjustment control (150) be connected with one place the heat power equipment place temperature/pressure sensor (151); It detects the temperature/pressure at heat power equipment place; Feed back to said firepower adjustment control (150) and calculate the switching value of air door mechanism (143) in view of the above, and be passed to said cyclelog (160) and carry out to control said air door actuator (145).
2. burner as claimed in claim 1; It is characterized in that: the set fuel control valve (121) of said fuel conveying/adjusting device (12) compares fuel control valve for air/fuel; It is provided with a blast detector tube (122) with the blast in the ajutage (148) that detects said combustion air conveying/adjusting device (14); And the switching value of fuel metering control valve (121) in view of the above, with the control flow fuel.
3. burner as claimed in claim 2; It is characterized in that: said fuel control valve (121) is built-in with a servo stable-pressure device; It is provided with a fuel pressure detector tube (123) to detect the fuel pressure at said fuel control valve (121) valve export place; And the switching value of fuel metering control valve (121) in view of the above, to keep the stable of valve exit fuel pressure.
4. burner as claimed in claim 1 is characterized in that: said displacement transducer (146) is arranged on the said air door actuator (145).
5. burner as claimed in claim 1 is characterized in that: said displacement transducer (146) is arranged on the said air door mechanism (143).
6. burner as claimed in claim 1 is characterized in that: said displacement transducer (146) is a potentiometer.
7. burner as claimed in claim 6 is characterized in that: said current potential is counted knob or slidingtype potentiometer.
8. burner as claimed in claim 1 is characterized in that: said frequency converter (147) is connected with said cyclelog (160) and controls its switch by this cyclelog (160).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110046269XA CN102072489B (en) | 2011-02-25 | 2011-02-25 | Combustor |
| PCT/CN2012/070932 WO2012113285A1 (en) | 2011-02-25 | 2012-02-07 | Burner |
| US13/981,606 US20130305967A1 (en) | 2011-02-25 | 2012-02-07 | Burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110046269XA CN102072489B (en) | 2011-02-25 | 2011-02-25 | Combustor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102072489A CN102072489A (en) | 2011-05-25 |
| CN102072489B true CN102072489B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110046269XA Expired - Fee Related CN102072489B (en) | 2011-02-25 | 2011-02-25 | Combustor |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20130305967A1 (en) |
| CN (1) | CN102072489B (en) |
| WO (1) | WO2012113285A1 (en) |
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| CN102072489B (en) * | 2011-02-25 | 2012-07-04 | 凯明企业有限公司 | Combustor |
| DE102011117736A1 (en) * | 2011-11-07 | 2013-05-08 | Honeywell Technologies Sarl | Method for operating a gas burner |
| CN103185836B (en) * | 2011-12-27 | 2015-03-18 | 上海宝钢设备检修有限公司 | Measuring method for output frequency of frequency converter of variable frequency fan under different working conditions |
| CN102563722A (en) * | 2012-02-28 | 2012-07-11 | 上海集焰节能科技有限公司 | Control system for commercial gas cooker |
| KR101338179B1 (en) * | 2012-04-23 | 2013-12-09 | 주식회사 경동나비엔 | Combustion apparatus with improved turn down ratio |
| CN102913943A (en) * | 2012-10-19 | 2013-02-06 | 金渭圭 | Combustion method of boiler and split type low-nitrogen combustor |
| CN103672904B (en) * | 2013-12-19 | 2016-05-18 | 江阴江顺铝型材成套设备制造有限公司 | A kind of fuel gas pipeline of burner |
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| JP6625925B2 (en) * | 2016-04-06 | 2019-12-25 | リンナイ株式会社 | Premixing device |
| CN106871121A (en) * | 2017-04-01 | 2017-06-20 | 上海钜荷热力技术有限公司 | Multisection type all-premixing burner with smoke reflux device |
| JP7049132B2 (en) * | 2018-02-21 | 2022-04-06 | リンナイ株式会社 | Combustion fan device, combustion device |
| CN109838808A (en) * | 2019-03-26 | 2019-06-04 | 广东万和新电气股份有限公司 | Heat load adjusting device and fully pre-mixing gas combustion water heater |
| CN113432124A (en) * | 2021-07-14 | 2021-09-24 | 河北烈焰机械工程有限公司 | Combustor control system |
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| CN201496998U (en) * | 2009-09-02 | 2010-06-02 | 江西中船航海仪器有限公司 | Control system of mixed oil-gas burner |
| CN201575982U (en) * | 2009-12-15 | 2010-09-08 | 天津市华迈燃气技术发展有限公司 | Gas heat value detecting device |
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| CN202024327U (en) * | 2011-02-25 | 2011-11-02 | 凯明企业有限公司 | Burner |
| CN102072489B (en) * | 2011-02-25 | 2012-07-04 | 凯明企业有限公司 | Combustor |
-
2011
- 2011-02-25 CN CN201110046269XA patent/CN102072489B/en not_active Expired - Fee Related
-
2012
- 2012-02-07 WO PCT/CN2012/070932 patent/WO2012113285A1/en active Application Filing
- 2012-02-07 US US13/981,606 patent/US20130305967A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012113285A1 (en) | 2012-08-30 |
| US20130305967A1 (en) | 2013-11-21 |
| CN102072489A (en) | 2011-05-25 |
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