CN109618482A - Pulsating arc plasma generator, burner and combustion apparatus - Google Patents
Pulsating arc plasma generator, burner and combustion apparatus Download PDFInfo
- Publication number
- CN109618482A CN109618482A CN201910039037.8A CN201910039037A CN109618482A CN 109618482 A CN109618482 A CN 109618482A CN 201910039037 A CN201910039037 A CN 201910039037A CN 109618482 A CN109618482 A CN 109618482A
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- Prior art keywords
- generator
- plasma
- pulsating
- burner
- pulsation
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 58
- 230000010349 pulsation Effects 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 description 15
- 239000007789 gas Substances 0.000 description 13
- 238000010304 firing Methods 0.000 description 7
- 238000004939 coking Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000000541 pulsatile effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005474 detonation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
- F23Q7/22—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/36—Circuit arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Plasma Technology (AREA)
Abstract
Present disclose provides a kind of pulsating arc plasma generator, burner and combustion apparatus.Pulsating arc plasma generator includes: generator anode, including generator spout；Generator cathode is set to one end opposite with the generator spout of the generator anode；With generator ripple control power supply, plasma is electrically connected to form with the anode and the cathode respectively, circuit occurs, and occur to form pulsating current in circuit in the plasma, the pulsation incendiary source is formed to control the generation gas entered in the plasma generator.The plasma stream for the pulsation that the pulsating arc plasma generator of the disclosure generates, and the parameters such as the pulsation period of the plasma stream of the pulsation and ripple amplitude can be conveniently adjusted by adjusting the parameter of generator ripple control power supply.
Description
Technical field
This disclosure relates to technical field of combustion equipment, in particular to a kind of pulsating arc plasma generator, burner
And combustion apparatus.
Background technique
In the burner known for inventor using plasma igniting, using plasma generator is generated opposite
Stable plasma is not intended to be frequent detonation and burning in combustion chamber after plasma ignition fuel as incendiary source
Variation phenomenon, indoor flow field of burning is metastable.By the burner arrangement structure of plasma igniting, such as pass through
Make the coal dust effect for obtaining burner noncoking consistent with the direction of electric arc.Inventor find in implementing the present disclosure with
On using the burner ignition ability of plasma igniting have limitation, and be still easy to make when localized design firing power is larger
At internal coking.
Summary of the invention
The disclosure is designed to provide a kind of pulsating arc plasma generator, burner and combustion apparatus.
Disclosure first aspect provides a kind of pulsating arc plasma generator, comprising:
Generator anode, including generator spout；
Generator cathode is set to one end opposite with the generator spout of the generator anode；With
Generator ripple control power supply is electrically connected to form plasma with the anode and the cathode respectively and electricity occurs
Road, and occur to form pulsating current in circuit in the plasma, to control the generation entered in the plasma generator
Gas forms the plasma stream of pulsation.
In some embodiments, the pulsating arc plasma generator further includes generator bracket, the generator
Anode is set to one end of the generator bracket, is set to the generator internal stent to the generator cathode separation,
The interval that gas occurs between the generator cathode and the generator bracket is passed through the plasma generator.
In some embodiments, the generator ripple control power supply control the pulsating current current amplitude and/or
Frequency.
In some embodiments, the pulsating arc plasma generator further includes and the generator ripple control electricity
Source signal is connected to control its controller for generating the pulsating current.
In some embodiments, the pulsating arc plasma generator further includes being connected with the controller in a signal way.
Memory, the controller control the generator ripple control power supply according to the control information that the memory stores.
In some embodiments, the pulsating arc plasma generator further includes the combustion for detecting the burner
The sensor of burning state, the controller connect with the sensor signal and control institute according to the detection signal of the sensor
State generator ripple control power supply.
Disclosure second aspect provides a kind of burner, including pulsating arc described in any one of disclosure first aspect
Plasma generator, wherein the plasma stream of the pulsation is the pulsation incendiary source of the burner.
The disclosure third aspect provides a kind of combustion apparatus, including burner described in disclosure second aspect.
In some embodiments, the combustion apparatus is boiler.
It can produce the plasma stream of pulsation based on the pulsating arc plasma generator that the disclosure provides, and it is produced
The parameters such as the pulsation period of the plasma stream of raw pulsation and ripple amplitude can be by adjusting generator ripple control power supply
Parameter be conveniently adjusted.
Combustion of the plasma stream of the pulsation generated using the pulsating arc plasma generator as pulsation incendiary source
Burner and combustion apparatus with the burner, near firing tip, local burnup's combustion state deteriorates in burning and burning is acute
Alternately change between strong enhancing, forms intermittent combustion in burner, filled to obtain burner internal fuel with pulsatile change
Divide mixing, high efficient heat exchanging, the effect of efficient burning.It is boasted since the characteristics of intermittent combustion itself can also be achieved burner internal
It sweeps, to effectively prevent burner internal coking.
By the detailed description referring to the drawings to the exemplary embodiment of the disclosure, the other feature of the disclosure and its
Advantage will become apparent.
Detailed description of the invention
Attached drawing described herein is used to provide further understanding of the disclosure, constitutes part of this application, this public affairs
The illustrative embodiments and their description opened do not constitute the improper restriction to the disclosure for explaining the disclosure.In the accompanying drawings:
Fig. 1 is the principle partial structural diagram of the burner of the embodiment of the present disclosure.
Fig. 2 is the principle structure schematic diagram of the pulsating arc plasma generator of the embodiment of the present disclosure.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present disclosure, the technical solution in the embodiment of the present disclosure is carried out clear, complete
Site preparation description, it is clear that described embodiment is only disclosure a part of the embodiment, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the disclosure and its application or making
Any restrictions.Based on the embodiment in the disclosure, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, belong to the disclosure protection range.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the present disclosure processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the disclosure, it is to be understood that limit components using the words such as " first ", " second ", only
It is merely for convenience of distinguishing corresponding components, there is no Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore not
It can be interpreted as the limitation to disclosure protection scope.
In the description of the disclosure, it is to be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System is merely for convenience of the description disclosure and simplifies description, and in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is the limitation to disclosure protection scope；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
Fig. 1 is the principle partial structural diagram of the burner of the embodiment of the present disclosure.Fig. 2 is the arteries and veins of the embodiment of the present disclosure
The principle structure schematic diagram of dynamic arc plasma generator.
As depicted in figs. 1 and 2, the embodiment of the present disclosure provides a kind of burner comprising intermittent combustion room 3 and pulsed gas
Igniter.Intermittent combustion room 3 includes the output section for receiving the receiving unit and output ripple flame 5 of fuel and combustion-supporting gas.Arteries and veins
Body igniter of taking offence includes the firing tip for generating pulsation incendiary source 4, and firing tip is located at the upstream or interior of intermittent combustion room 3
Portion, pulsation incendiary source 4 is for lighting fuel to form aforementioned pulsating flame 5.
The embodiment of the present disclosure provides a kind of burner with new sparking mode, due to utilizing 4 points of incendiary source of pulsation
Fuel is fired, in intermittent combustion room 3 near the firing tip of pulsed gas igniter, local burnup's combustion state deteriorates in burning
And alternately change between the violent enhancing of burning, intermittent combustion is formed in intermittent combustion room 3, to obtain combustion chamber fuel
It is sufficiently mixed with pulsatile change, high efficient heat exchanging, the effect of efficient burning.Since the characteristics of intermittent combustion itself, can also be achieved burning
From purging inside device, it effectively prevent coking inside combustor.
As shown in Figure 1, in some embodiments, burner 3 is tubular, receives the receiving unit of fuel and combustion-supporting gas and defeated
The output section of pulsating flame 5 is respectively arranged at the axial ends of burner 3 out.In the embodiment shown in fig. 1, receiving unit receives
The flammable mixture 6 of fuel and combustion-supporting gas, flammable mixture 6 such as the wind powder mixture to be mixed to form by coal dust and air
(First air), or the wind oil mixture being mixed to form by fuel oil and air, or the fuel gas that oily combustion gas and air are mixed to form
Deng.
As shown in Figure 1, in some embodiments, burner further includes secondary combustion chamber 1, intermittent combustion room 3 is set to two
In grade combustion chamber 1, the output section of intermittent combustion room 3 is to 1 output ripple flame 5 of secondary combustion chamber, and pulsating flame 5 is for lighting two
Fuel in grade combustion chamber 1.In embodiment (not shown), the burner of the disclosure can also include that three-level or more is burnt
Room, to realize more multi fuel or more fully burn.
As shown in Fig. 2, pulsed gas igniter includes pulsating arc plasma generator 2 in the embodiment of the present disclosure.
By pulsating arc plasma generator technology in conjunction with Burner Technology, occurred using pulsating arc plasma
Device is as pulsed gas igniter, and the pulsation plasma generated using pulsating arc plasma generator is as pulsation point
Fire source 4, the plasma of pulsatile change can make subsequent combustion in the generator spout 25 of pulsating arc plasma generator 2
Local burnup's combustion state at (firing tip) alternately changes between burning deteriorates and burning acutely enhances, in intermittent combustion room
Intermittent combustion is formed in 3,3 inner fuel of intermittent combustion room is sufficiently mixed with pulsatile change, high efficient heat exchanging, efficient burning.Due to
The characteristics of intermittent combustion itself, realizes that burner internal from purging, can effectively prevent coking inside combustor.
In some embodiments, plasma igniting power when can suitably increase pulsation wave crest, obtains stronger igniting
Ability, simultaneously because pulsatile change generate do not allow again from purging effect be also easy to produce burner internal coking.
In the burner of the embodiment of the present disclosure, pulsed gas is generated by pulsating arc plasma generator 2, forms pulsation
Incendiary source 4 lights flammable mixture 6, pulsating flame 5 is formed in intermittent combustion room 3, and then go to light in secondary combustion chamber 1
Other fuel.The pulsation incendiary source 4 that pulsating arc plasma generator 2 exports can make intermittent combustion room when pulsing trough
Fuel combustion state variation in 3 is even missing of ignition, can have enough abilities to light the coal in intermittent combustion room 3 in wave crest
The fuel such as powder form deflagration state, and periodic detonation, burning is deteriorated, then detonation, then is deteriorated, and makes the stream in intermittent combustion room 3
Field is in violent pulse state, to obtain good flame propagation, and efficient Local Heat Transfer relationship, makes intermittent combustion room
Burning in 3 obtains efficient burning, and in output section output ripple flame 5, improves the efficiency of combustion of entire burner.
Can by change pulsating arc plasma generator 2 pulsation amplitude and the pulsation period, change burner in
The combustion efficiency of fuel can also be used as the internal combustion control means of burner, for expanding burner to different operating conditions, different combustions
The adaptation range of material.
As shown in Fig. 2, the pulsating arc plasma generator 2 that the embodiment of the present disclosure provides mainly includes generator anode
21, generator cathode 22 and generator ripple control power supply 27, firing tip include the separate generation for being set to generator anode 21
The generator spout 25 of one end of device cathode 22, generator ripple control power supply 27 are electrically connected shape with anode 21 and cathode 2 respectively
Circuit occurs at plasma and occurs to form pulsating current in circuit in plasma, pulsating arc plasma is entered with control
The gas 3 that occurs in body generator 2 forms the plasma stream of pulsation as pulsation incendiary source 4.
It can produce the plasma of pulsation based on the pulsating arc plasma generator 2 that the embodiment of the present disclosure provides
Stream, and the parameters such as the pulsation period of the plasma stream of its pulsation generated and ripple amplitude can be by adjusting generator pulsation
The parameter of control power supply 27 is conveniently adjusted.
As shown in Fig. 2, generator ripple control power supply 27 is connect with anode 21 and cathode 2 respectively by cable 6.
As shown in Fig. 2, pulsating arc plasma generator 2 further includes generator bracket 24, generator anode 21 is arranged
In one end of generator bracket 24, generator cathode 22 is positioned apart from inside generator bracket 24, and gas 3 occurs from generation
Interval between device cathode 22 and generator bracket 24 is passed through plasma generator 2.
The current amplitude and/or frequency of the control pulsating current of generator ripple control power supply 27.
Pulsating current is controlled by generator ripple control power supply 27, such as adjusts the current amplitude of pulsating current
And/or frequency, the pulsation amplitude of adjustable pulsation incendiary source 4 and pulsation period, make the generation gas in plasma generator
Body 3 obtains controllable pulsation input heat, and the plasma for changing 5 formation temperature of generator spout and velocity fluctuation is as combustion
The pulsation incendiary source 4 of material, also forms the pulsation source of intermittent combustion.
In some embodiments, pulsating arc plasma generator 2 further includes believing with generator ripple control power supply 27
Number connection with control its generate pulsating current controller.The automatic control to pulsating current may be implemented by controller.
In some embodiments, controller can be for for executing the general processor of function described by the disclosure, can compile
Journey logic controller (Programmable Logic Controller, referred to as: PLC), digital signal processor (Digital
Signal Processor, referred to as: DSP), specific integrated circuit (Application Specific Integrated
Circuit, referred to as: ASIC), field programmable gate array (Field-Programmable Gate Array, referred to as: FPGA)
Either other programmable logic device, discrete gate or transistor logic, discrete hardware components or its arbitrarily appropriate group
It closes.
In some embodiments, pulsating arc plasma generator 2 further includes the memory connecting with controller signals,
Controller controls generator ripple control power supply 27 according to the control information that memory stores.
Controller may be implemented by hardware the control of generator ripple control power supply 27, can also be referred to by program
Relevant hardware is enabled to complete, foregoing routine may be constructed the control information being stored in memory at this time.Memory can be only
Read memory, the storage mediums such as disk or CD.
In some embodiments, pulsating arc plasma generator 2 further includes the combustion state for detecting burner
Sensor, controller connect with sensor signal and according to the detection signal of sensor control generator ripple control power supply
27.Sensor for example can be temperature sensor, the flame sensor of combustion state etc. that can obtain characterization burner.
In some embodiments, controller can be according to the detection signal for the control information and sensor that memory stores
Control generator ripple control power supply 27.
The embodiment of the present disclosure also provides a kind of combustion apparatus, the burner including previous embodiment.Combustion apparatus is, for example,
Station boiler.The attendant advantages of the burner of the combustion apparatus and embodiment of the present disclosure of the embodiment of the present disclosure.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the disclosure rather than its limitations；To the greatest extent
Pipe is described in detail the disclosure referring to preferred embodiment, it should be understood by those ordinary skilled in the art that: still
It can modify to the specific embodiment of the disclosure or some technical features can be equivalently replaced；Without departing from this public affairs
The spirit of technical solution is opened, should all be covered in the claimed technical proposal scope of the disclosure.
Claims (9)
1. a kind of pulsating arc plasma generator (2) characterized by comprising
Generator anode (21), including generator spout (25)；
Generator cathode (22) is set to one end opposite with the generator spout (25) of the generator anode (21)；
With
Generator ripple control power supply (27) is electrically connected to form plasma with the anode (21) and the cathode (2) respectively
Circuit occurs for body, and occurs to form pulsating current in circuit in the plasma, enters the plasma generator with control
(2) the generation gas (3) in forms the plasma stream of pulsation.
2. pulsating arc plasma generator (2) according to claim 1, which is characterized in that described pulsating arc etc.
Plasma generator (2) further includes generator bracket (24), and the generator anode (21) is set to the generator bracket
(24) one end, the generator cathode (22) are positioned apart from, the generation gas internal in the generator bracket (24)
(3) plasma generator (2) are passed through from the interval between the generator cathode (22) and the generator bracket (24).
3. pulsating arc plasma generator (2) according to claim 1, which is characterized in that the generator pulsation
Control current amplitude and/or frequency that power supply (27) control the pulsating current.
4. pulsating arc plasma generator (2) according to claim 1, which is characterized in that described pulsating arc etc.
Plasma generator (2) further includes being connect with generator ripple control power supply (27) signal to control it and generate the pulsation
The controller of electric current.
5. burner according to claim 4, which is characterized in that the pulsating arc plasma generator (2) is also wrapped
The memory being connected with the controller in a signal way. is included, the controller is according to the control information control that the memory stores
Generator ripple control power supply (27).
6. pulsating arc plasma generator (2) according to claim 4 or 5, which is characterized in that the pulsating arc
Plasma generator (2) further includes the sensor for detecting the combustion state of the burner, the controller with it is described
Sensor signal connection simultaneously controls the generator ripple control power supply (27) according to the detection signal of the sensor.
7. a kind of burner, which is characterized in that including pulsating arc plasma according to any one of claim 1 to 6
Body generator (2), the plasma stream of the pulsation are the pulsation incendiary source (4) of the burner.
8. a kind of combustion apparatus, which is characterized in that including burner as claimed in claim 7.
9. combustion apparatus according to claim 8, which is characterized in that the combustion apparatus is boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910039037.8A CN109618482A (en) | 2019-01-16 | 2019-01-16 | Pulsating arc plasma generator, burner and combustion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910039037.8A CN109618482A (en) | 2019-01-16 | 2019-01-16 | Pulsating arc plasma generator, burner and combustion apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109618482A true CN109618482A (en) | 2019-04-12 |
Family
ID=66019560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910039037.8A Pending CN109618482A (en) | 2019-01-16 | 2019-01-16 | Pulsating arc plasma generator, burner and combustion apparatus |
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| CN (1) | CN109618482A (en) |
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