CN202221082U - Combustion control system of fuel oil combustor - Google Patents
Combustion control system of fuel oil combustor Download PDFInfo
- Publication number
- CN202221082U CN202221082U CN2011202202175U CN201120220217U CN202221082U CN 202221082 U CN202221082 U CN 202221082U CN 2011202202175 U CN2011202202175 U CN 2011202202175U CN 201120220217 U CN201120220217 U CN 201120220217U CN 202221082 U CN202221082 U CN 202221082U
- Authority
- CN
- China
- Prior art keywords
- oil
- controller
- control system
- igniter
- combustion control
- 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 - Lifetime
Links
Images
Landscapes
- Regulation And Control Of Combustion (AREA)
Abstract
The utility model discloses a combustion control system of a fuel oil combustor, which comprises an oil conveying channel, an atomized media channel, an ignition device, a wind amount adjusting device, an oil amount adjusting device and a controller. The oil inlet of the oil conveying channel is provided with an oil pump, an oil pressure sensor is arranged in the oil conveying channel, and the oil amount adjusting device serves as an oil inlet valve. The ignition device comprises an igniter and an atomizer, and a flame signal sensor, a wind pressure sensor and an atomization medium pressure sensor are arranged in the ignition device. The wind amount adjusting device comprises a wind door and a wind door driver. The wind driver is provided with a wind door position sensor. The controller controls the startup of the oil pump, a blowing device, the igniter, the atomizer, a heater and the wind door driver and opening or closing of the oil inlet valve. The controller receives signals of the sensors and can achieve independent adjustment of the oil amount and the wind amount by controlling oil inlet amount, oil pressure, position of the wind door or wind pressure in the oil conveying channel according to relative control signals. The combustion control system of the fuel oil combustor is low in energy consumption and high in reliability.
Description
Technical field
The utility model relates to the adjusting and the control technology field of burning, the particularly a kind of combustion control system that can realize the oil burner of energy saving and environment friendly heating.
Background technology
The present conventional burner of control automatically can be divided into the single hop fire, two sections fire, ratios are regulated.They all are mechanical interlocks, by changing the stroke of actuator, move the size of regulating the fire amount through link rod drive air door and fuel regulator valve then.The automatic control burner that for example certain company produces in the prior art; Promptly control the operation of YE (servomotor) through temperature control system; Move the size of regulating fire by link rod drive air door and fuel regulator valve again; Each valve event in the system is all realized control through the program controller that solidifies, and controllability is relatively poor.And this combustion system its mechanical linkages behind long-play can produce wearing and tearing or distortion, so the following defective of ubiquity:
(1) energy consumption is big: mechanical adjustment oil-gas ratio precision is low, and it is insufficient to burn, and pressure fuel pump requires high;
(2) complicated operation: different fuel is because calorific value is different, and the wind oil ratio will be regulated again;
(3) the burner fuel oil is regulated than low: be 1: 2.5.
In addition, also there is complicated in mechanical structure in combustion system of the prior art, and part is short service life, and cost is than problems such as height.
Summary of the invention
The purpose of the utility model provides a kind of oil mass and the independent combustion control system of regulating of air quantity; Can be according to the automatic damper of wind oil ratio and the oil mass that preset; Simple to operate, get rid of conventional burners and adopt the mechanical linkages long-play can produce the drawback of wearing and tearing or distortion.
For realizing above-mentioned purpose, the technical scheme that the utility model is taked is: a kind of combustion control system of oil burner comprises oil transportation channel, atomizing medium passage, igniter, air-blast device, volume adjusting apparatus and oil controller; Be provided with igniter and atomizer in the igniter; The oil-out of oil transportation channel connects atomizer; The outlet of atomizing medium passage connects atomizer; It is characterized in that, also comprise controller; The operation of controller control air-blast device, igniter and atomizer; The oiler of said oil transportation channel is provided with oil transfer pump, and oil transfer pump connects the pressure fuel pump adjuster, and the pressure fuel pump adjuster connects controller; Oil controller is the oil-feed valve, and it is located on the oil transportation channel; Be provided with oil pressure sensor between the oil-out of oil-feed valve and oil transportation channel; The operation of controller control oil transfer pump and the conducting of oil-feed valve or close; Oil pressure sensor exports the fuel injection pressure signal in the oil transportation channel to controller, and controller is regulated the pressure of oil transfer pump according to fuel injection pressure signal control pressure fuel pump adjuster;
Said atomizing medium passage is provided with medium circulation valve; The conducting of controller control medium circulation valve or close;
Said volume adjusting apparatus comprises air door and air door driver; The air door driver is provided with the damper positions sensor; The damper positions sensor exports the damper positions signal to controller;
Be provided with wind pressure sensor in the said igniter; Wind pressure sensor exports wind pressure signal to controller; Controller changes thereby drive damper positions, to change the air quantity that igniter was received according to damper positions signal and the operation of wind pressure signal control air door driver;
Also be provided with the flare up fire sensor in the said igniter, the flare up fire sensor exports flare up fire to controller, and controller judges according to flare up fire whether igniting is successful.
As a kind of improvement, also be provided with the fuel oil temperature controller on the said oil transportation channel; The fuel oil temperature controller comprises heater and temp probe; But controller control heater operation; Temp probe is arranged in oil transportation channel; Temp probe exports temperature signal to controller.Concrete, under the influence of the low perhaps other factors of environment temperature, the efficient of viscosity condition with higher influence igniting can appear in oil product, and the fuel oil temperature control device can heat to reduce viscosity fuel oil according to the detected temperature of temp probe.
As a kind of improvement, the utility model also comprises human-computer interaction interface, and human-computer interaction interface comprises display module, input module, and display module and input module are connected the demonstration signal output part and the command signal input of controller respectively.Display module and input module can select for use matured product of the prior art to realize, utilize data wire to connect with the relevant control port of controller respectively.Controller can adopt integral control circuit chip of the prior art such as single-chip microcomputer or PLC Programmable Logic Controller to realize, relative program can be accomplished according to ripe programming technique of the prior art.
As a kind of improvement; Also be provided with purge passage between said oil transportation channel and the atomizing medium passage; One end of purge passage connects the oil transportation channel between oil-feed valve and the oil-out, and the other end connects the atomizing medium passage between medium atomization pneumatic operated valve and the atomizing medium inlet; Purge passage is provided with the purging pneumatic operated valve, purges the pneumatic operated valve control end and connects controller.Being provided with of purge passage mainly is to be used for oil transportation channel, and the particularly cleaning of oil gun has utilized the air in the atomizing medium passage to purge cleaning.
As a kind of improvement, the utility model also comprises drainback passage, and drainback passage is connected on the oil transportation channel between oil-feed valve and the oiler through triple valve.Drainback passage makes thermogravimetric oil form circulation before being used as igniting, to guarantee the better mobile of oil.
As a kind of improvement, said igniter comprises shell, and shell is provided with flame-observing hole, can be used for operating personnel and observes the flame burning situation.
Preferably, said pressure fuel pump adjuster is a motor, and motor speed changes the discharge pressure that can change oil transfer pump.
Preferably, the air door driver in the said volume adjusting apparatus is a servomotor, and servomotor rotates and can drive the damper positions variation.
Preferably, said oil transfer pump is any one pump in gear pump, the screw pump, and gear pump and screw pump all can be selected matured product of the prior art.
Preferably; Atomizer in the said igniter is a matured product of the prior art: internal-mixing Y type oil gun; As a kind of improvement, be provided with the atomizing medium pressure sensor in the atomizing medium passage, be used to keep watch on discharge pressure with timely adjustment atomizing medium source; Guarantee the operate as normal of atomizer, improve ignition success rate.
Preferably, the heater in the said fuel oil temperature controller is medium hot type heater or electric heater.
Preferably, said controller is a programmable logic controller, and relevant control program can be accomplished according to existing ripe PLC programming technique, and program is write according to the needs of system's control, to reach the automatic control of controller in each stage.
Oil pressure sensor described in the utility model, atomizing medium pressure sensor, wind pressure sensor all can be realized through the pressure sensor product of existing maturation; The flare up fire sensor can adopt existing Fibre Optical Sensor or other image recognition class sensor to realize; Can discern the sensor of motion range during the damper positions sensor can adopt and have now realizes.
Oil-feed valve in the utility model and medium circulation valve can be selected arbitrary middle controllable valve in magnetic valve or the pneumatic operated valve, and during for pneumatic operated valve, controller comes the conducting of by-pass valve control through the gas circuit of control pneumatic operated valve or cuts out.
Control method based on the utility model of the above structure comprises three phases, is respectively ignition phase, temperature automatically controlled stage and stop phase.Each stage is all moved through each assembly in the controller control system, and the adjusting of air quantity and oil mass can be accomplished the control of the different assemblies that set up separately by controller respectively; Sensor signal in the controller while receiving system, and combine the dependency relation curve, as the foundation that computing is judged, automaticity is high.
Beneficial effect
The utility model compared with prior art has the following advantages:
1, compare with normal burner, the system of the utility model has realized the independent adjusting of oil mass and air quantity, and the burner fuel oil is regulated ratio can surpass 1: 6, and mechanical part is less, and easy to maintenance, part also improves service life greatly; The utility model is in control, and the result adopts sensor to detect in real time to control, in time to regulate relevant parameter through hardware controls, perhaps continues next step operation, greatly reduces energy consumption, and the reduction amplitude reaches about 10%;
2, compare with existing program curing control system, the utility model is realized assigning of controller action order through touch-screen or other human-computer interaction interface, and user's operation is very simple; And automaticity is high, and temperature control is accurate, can raise the efficiency, and reduces toxic emission.
3, the utility model can be used for boiler, hot-blast stove or hot-air (the highest 250 ℃) combustion system, and suitable application area is very extensive.
Description of drawings
Shown in Figure 1 is the structural representation of prior art intermediate fuel oil burner;
Shown in Figure 2 is the structural representation of the utility model;
Shown in Figure 3 is the pump speed and the oil mass graph of relation of the utility model;
Shown in Figure 4 is the air door and the air quantity graph of relation of the utility model;
Shown in Figure 5 is the wind oil ratio calculated curve figure of the utility model.
The specific embodiment
For the content that makes the utility model is more obviously understandable, further specify below in conjunction with the accompanying drawing and the specific embodiment.
In conjunction with shown in Figure 1 be the oil burner control system of prior art; It passes through the operation of temperature control system 23 control air door drivers 19 (servomotors) when using; Drive air door 20 actions by link rod again; Drive director valve 22 unlatchings simultaneously and regulate the size that fire is measured, the program controller realization of passing through in the system to solidify is controlled the action of oil-feed valve 3, medium circulation valve 5, purging valve 7 and temperature control system 23, and controllability is relatively poor.
In conjunction with shown in Figure 2, the utility model comprises oil transportation channel A, atomizing medium passage D, igniter 10, air-blast device, volume adjusting apparatus, oil controller and controller 30; Air-blast device is an air blast 9, and its air outlet connects the air inlet of igniter 10 through air door 20; Be provided with igniter 12 and atomizer 11 in the igniter 10; The oil-out of oil transportation channel A connects and the outlet of atomizing medium passage D all connects atomizer 11; Atomizer 11 is selected internal-mixing Y type oil gun for use; Oil controller is an oil-feed valve 3, and it is located on the oil transportation channel A; The control end of oil-feed valve 3 connects controller 30; The operation of controller 30 control air blast 9, igniter 12 and atomizers 11;
The oiler of oil transportation channel A is provided with oil transfer pump 1, and oil transfer pump 1 can adopt gear pump or screw pump; The operation of controller 30 control oil transfer pumps 1; Oil transfer pump 1 connects pressure fuel pump adjuster 2, and pressure fuel pump adjuster 2 is a motor, and motor speed changes the fuel transfer pressure that can change oil transfer pump 1, and controller 30 is regulated the pressure of oil transfer pump 1 through the operation of control pressure fuel pump adjuster 2;
Drainback passage B is connected between the oil-feed valve 3 and oiler of oil transportation channel A through triple valve 6;
Be provided with oil pressure sensor 21 in the oil transportation channel A of oil-feed valve 3 outlet sides, oil pressure sensor 21 exports fuel injection pressure signal to controller 30;
The atomizing medium passage is provided with medium circulation valve 5, and the control end of medium circulation valve 5 connects controller 30; Be provided with atomizing medium pressure sensor 8 in the atomizing medium passage D of medium circulation valve 5 entrance sides; Atomizing medium pressure sensor 8 exports the atomizing medium pressure signal to controller 30;
Also be provided with purge passage between oil transportation channel A and the atomizing medium passage D, an end of purge passage is connected between the oil-feed valve 3 and oil-out of oil transportation channel, and the other end is connected between the medium circulation valve 5 and atomizing medium inlet of atomizing medium passage; Purge passage is provided with and purges pneumatic operated valve 7, purges the pneumatic operated valve control end and connects controller.
Be provided with flare up fire sensor 13 and wind pressure sensor 18 in the igniter 10; Flare up fire sensor 13 exports flare up fire to controller; Wind pressure sensor 18 exports wind pressure signal to controller 30; Igniter 10 also is provided with shell, and shell is provided with flame-observing hole 14; In addition; Also be provided with secondary wind adjuster 15 in the igniter; It comprises secondary air register and Quality Initiative, control handwheel, and each several part all can adopt the matured product of prior art to realize, the manual adjustments handwheel can change secondary air register opening degree; Be implemented under the constant situation of blower power, regulate the length and the thickness of flame.
Volume adjusting apparatus comprises air door 20 and air door driver 19; Air door driver 19 is provided with the damper positions sensor; Actuator 19 is a servomotor, and servomotor rotates can drive air door 20 change in location; 19 operations of controller 30 control air door drivers; Thereby the change in location of control air door 20 is to change the air quantity that igniter 10 is received; The damper positions sensor exports the damper positions signal to controller 30;
Also be provided with the fuel oil temperature controller on the oil transportation channel A; The fuel oil temperature controller comprises heater 4 and temp probe, and temp probe is arranged in oil transportation channel A; Temp probe exports temperature signal to controller 30; Heater 4 can be selected medium hot type heater or electric heater for use;
The utility model also comprises human-computer interaction interface; Human-computer interaction interface comprises display module, input module; Display module and input module adopt matured product of the prior art to realize that both connect the demonstration signal output part and the command signal input of controller respectively.
The controller 30 of the utility model is a programmable logic controller, and relevant control program can be accomplished according to existing ripe PLC programming technique, and program is write according to the needs of system's control, to reach the automatic control of controller in each stage.
Control method based on the utility model of the above structure comprises three phases, is respectively ignition phase, temperature automatically controlled stage and stop phase.Wherein ignition phase may further comprise the steps:
(1). set pre-heating temperature through human-computer interaction interface, send the order that starts the fuel oil temperature controller to controller, heater heats oil, and oil temperature sensor exports oil temperature signal to controller simultaneously;
(2). when oil temperature arrival design temperature, controller starts air-blast device, detects wind pressure signal simultaneously;
(3). after air-blast device started successfully, controller started blast regulator, and the operation of air door driver drives air door and opens; Detect the damper positions signal simultaneously;
(4). after air door was opened, igniter detected the igniting flare up fire through flame sensor, as does not have the ignition flame signal then to stop igniting, repeating step behind the firearm of checkpoint (1)-(4);
(5) controller receives the ignition flame signal, starts oil-feed valve, medium circulation valve open; Whether detect heavy oil through flame sensor is lighted; As do not receive main flare up fire; Then controller sends alarm signal, closes oil-feed valve and medium circulation valve simultaneously, stops the operation of other devices such as oil transfer pump, and control the purging valve open; After oil gun purged cleaning, the shut-down purge valve;
(6) repeating step (1)-(5), receiving main flare up fire until controller is that heavy oil is lighted, then ignition phase finishes.
In the temperature automatically controlled stage; Operating personnel configure the wind oil ratio through human-computer interaction interface; Controller control servomotor actuator is according to moving with the air quantity relevant parameters; The pressure fuel pump adjuster is according to moving the pressure of controlling oil transfer pump with the corresponding pressure parameter of oil mass, and controller is through parameters such as the oil temperature in each sensor receiving system, oil pressure, blast, and through real-time operation the device of the operation in the system controlled adjustment.The relation curve of relation curve, air door and the air quantity of relation curve, pump speed and the oil mass of its wind oil ratio of the system of the utility model is all controller carries out computing in control procedure foundation.Also guaranteed reliability of system operation.
In the stop phase; Controller control servomotor drives air door and is opened to the position that makes flame be changed to little fire; Device in the systems such as the oil-feed of controller control simultaneously valve, oil transfer pump is out of service; Open blow down valve afterwards oil gun is purged cleaning, air-blast device is that air blast can stop after about 120 seconds, and this moment, an operation cycle finished.
The system of the utility model is provided with emergency stop switch, under any circumstance, presses emergency stop switch, and all devices in the i.e. control system of controller are out of service.
In conjunction with shown in Figure 3 be the pump speed and the oil mass graph of relation of the utility model, abscissa is a rotating speed, ordinate is an oil mass; Shown in Figure 4 is the air door and the air quantity graph of relation of the utility model, and abscissa is represented the angle that air door rotates, and ordinate is represented the air quantity ratio that receives; Shown in Figure 5 is the wind oil ratio calculated curve figure of the utility model, and abscissa is represented excess air coefficient.Ordinate is represented combustion-supporting air quantity, this graphical representation be per kilogram fuel oil needed air capacity under the excess air coefficient of correspondence.Each relation curve is all the computing foundation of the utility model controller when operation, when carrying out the controller programming, utilizes in the existing ripe programming technique writing controller program.
The case of practical implementation described in the utility model is merely the preferable case study on implementation of the utility model, is not the practical range that is used for limiting the utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should be as the technological category of the utility model.
Claims (12)
1. the combustion control system of an oil burner comprises oil transportation channel, atomizing medium passage, igniter, air-blast device, volume adjusting apparatus and oil controller; Be provided with igniter and atomizer in the igniter; The oil-out of oil transportation channel connects atomizer; The outlet of atomizing medium passage connects atomizer; It is characterized in that, also comprise controller; The operation of controller control air-blast device, igniter and atomizer;
The oiler of said oil transportation channel is provided with oil transfer pump, and oil transfer pump connects the pressure fuel pump adjuster, and the pressure fuel pump adjuster connects controller; Oil controller is the oil-feed valve, and it is located on the oil transportation channel; Be provided with oil pressure sensor between the oil-out of oil-feed valve and oil transportation channel; The operation of controller control oil transfer pump and the conducting of oil-feed valve or close; Oil pressure sensor exports the fuel injection pressure signal in the oil transportation channel to controller, and controller is regulated the pressure of oil transfer pump according to fuel injection pressure signal control pressure fuel pump adjuster;
Said atomizing medium passage is provided with medium circulation valve; The conducting of controller control medium circulation valve or close;
Said volume adjusting apparatus comprises air door and air door driver; The air door driver is provided with the damper positions sensor; Be provided with wind pressure sensor in the igniter; The damper positions sensor exports the damper positions signal to controller; Wind pressure sensor exports wind pressure signal to controller; Controller changes thereby drive damper positions, to change the air quantity that igniter was received according to damper positions signal and the operation of wind pressure signal control air door driver;
Also be provided with the flare up fire sensor in the said igniter, the flare up fire sensor exports flare up fire to controller, and controller judges according to flare up fire whether igniting is successful.
2. the combustion control system of a kind of oil burner according to claim 1, it is characterized in that: also be provided with the fuel oil temperature controller on the said oil transportation channel, the fuel oil temperature controller comprises heater and temp probe; But controller control heater operation; Temp probe is arranged in oil transportation channel; Temp probe exports temperature signal to controller.
3. the combustion control system of a kind of oil burner according to claim 1; It is characterized in that: also comprise human-computer interaction interface; Human-computer interaction interface comprises display module, input module, and display module and input module are connected the demonstration signal output part and the command signal input of controller respectively.
4. the combustion control system of a kind of oil burner according to claim 1; It is characterized in that: also be provided with purge passage between said oil transportation channel and the atomizing medium passage; One end of purge passage is connected between the oil-feed valve and oil-out of oil transportation channel, and the other end is connected between the medium circulation valve and atomizing medium inlet of atomizing medium passage; Purge passage is provided with the purging pneumatic operated valve, and the control end that purges pneumatic operated valve connects controller.
5. the combustion control system of a kind of oil burner according to claim 1, it is characterized in that: also comprise drainback passage, drainback passage is connected between the oil-feed valve and oiler of oil transportation channel through triple valve.
6. according to the combustion control system of each described a kind of oil burner of claim 1 to 5, it is characterized in that: igniter comprises shell, and shell is provided with flame-observing hole.
7. according to the combustion control system of each described a kind of oil burner of claim 1 to 5, it is characterized in that: the pressure fuel pump adjuster is a motor, and motor speed changes the discharge pressure that can change oil transfer pump.
8. according to the combustion control system of each described a kind of oil burner of claim 1 to 5, it is characterized in that: the actuator in the volume adjusting apparatus is a servomotor, and servomotor rotates and can drive the damper positions variation.
9. according to the combustion control system of each described a kind of oil burner of claim 1 to 5, it is characterized in that: oil transfer pump is any one pump in gear pump, the screw pump.
10. according to the combustion control system of each described a kind of oil burner of claim 1 to 5, it is characterized in that: the atomizer in the igniter is an internal-mixing Y type oil gun.
11. the combustion control system of a kind of oil burner according to claim 2 is characterized in that: the heater in the fuel oil temperature controller is a kind of in medium hot type heater or the electric heater.
12. the combustion control system according to each described a kind of oil burner of claim 1 to 5 is characterized in that: controller is a programmable logic controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202202175U CN202221082U (en) | 2011-06-27 | 2011-06-27 | Combustion control system of fuel oil combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202202175U CN202221082U (en) | 2011-06-27 | 2011-06-27 | Combustion control system of fuel oil combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202221082U true CN202221082U (en) | 2012-05-16 |
Family
ID=46043108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202202175U Expired - Lifetime CN202221082U (en) | 2011-06-27 | 2011-06-27 | Combustion control system of fuel oil combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202221082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287817A (en) * | 2011-06-27 | 2011-12-21 | 江苏欧标有限公司 | Burning-control system for oil burner |
-
2011
- 2011-06-27 CN CN2011202202175U patent/CN202221082U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287817A (en) * | 2011-06-27 | 2011-12-21 | 江苏欧标有限公司 | Burning-control system for oil burner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102287817A (en) | Burning-control system for oil burner | |
| CN102538001A (en) | Burning control system of fuel oil burner | |
| CN102072489B (en) | Combustor | |
| CN200940836Y (en) | Pulse controller of burner | |
| CN100467954C (en) | Petroleum coking-slurry burning control system | |
| CN202350049U (en) | Combustion control system of fuel oil and gas two-purpose burner | |
| CN202733905U (en) | Dual-purpose oil-gas burner | |
| CN103672952B (en) | A kind of industrial furnace high pressure internal-mixing atomization winding-up vegetable fat or bio oil combustion system and method thereof | |
| CN102393019B (en) | Combustion control system of fuel oil and gas dual-purpose combustor | |
| CN101701533A (en) | Method and device for producing high temperature air for quick cooling of large turbine | |
| CN102748774A (en) | Burning furnace, burning control method and burning control device | |
| CN202221082U (en) | Combustion control system of fuel oil combustor | |
| CN202350050U (en) | Combustion control system of fuel oil and gas dual-purpose combustor | |
| CN111059568A (en) | Control system and control method of waste gas burner | |
| CN202350089U (en) | Combustion control system for fuel burner | |
| CN103307756A (en) | Control system for water-coal-slurry heat-conducting oil boiler | |
| CN102393020B (en) | Combustion control system of fuel oil and gas dual-purpose combustor | |
| CN204478024U (en) | Oil-based fuel and alcohol-group fuel co-fire device | |
| CN202382234U (en) | Automatic temperature-control combustor | |
| CN205640885U (en) | Ignition device of circulating fluidized bed boiler | |
| CN202177109U (en) | Gas burner | |
| CN102563645A (en) | Gas burner | |
| CN103335338B (en) | Atomization ignition method and device for liquid fuel | |
| CN203421738U (en) | Atomization ignition device for liquid fuel | |
| CN106122957A (en) | A kind of low NOx cleaning burning type ignition furnace and method for controlling combustion thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120516 |
|
| CX01 | Expiry of patent term |