CN105402767A - Liquid fuel ignition device and liquid fuel burner - Google Patents
Liquid fuel ignition device and liquid fuel burner Download PDFInfo
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- CN105402767A CN105402767A CN201410466317.4A CN201410466317A CN105402767A CN 105402767 A CN105402767 A CN 105402767A CN 201410466317 A CN201410466317 A CN 201410466317A CN 105402767 A CN105402767 A CN 105402767A
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- 239000000446 fuel Substances 0.000 title claims abstract description 183
- 239000007788 liquid Substances 0.000 title claims abstract description 75
- 239000007921 spray Substances 0.000 claims abstract description 58
- 238000012544 monitoring process Methods 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 238000002485 combustion reaction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 238000010926 purge Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 241000521257 Hydrops Species 0.000 description 3
- 206010030113 Oedema Diseases 0.000 description 3
- 230000002688 persistence Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000011280 coal tar Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- 206010037544 Purging Diseases 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
Abstract
The invention discloses a liquid fuel ignition device and a liquid fuel burner. An ignition chamber (A) is formed in the ignition device; an ignition electrode (1) is arranged in the ignition chamber; the ignition device comprises a fuel spraying-in pipe (2), a flame spraying-out pipe (3) and a condensate drain pipe (4). The fuel spraying-in pipe enters the ignition chamber towards the ignition electrode. The flame spraying-out pipe extends upwards or horizontally from the ignition chamber. The condensate drain pipe extends downwards from the ignition chamber. Air atomized fuel sprayed through the fuel spraying-in pipe is condensed in the ignition chamber and can be discharged outwards through the condensate drain pipe. The flame spraying-out pipe of the liquid fuel ignition device extends towards a main spray nozzle of the liquid fuel burner so as to perform ignition. Liquid fuel is directly ignited by means of the built-in ignition chamber, then the main spray nozzle is ignited, the liquid fuel enters the burner to burn, and therefore gas fuel is not needed for assisting in ignition. If ignition fails, the air atomized fuel accumulated in the ignition chamber can be discharged outwards in time through the condensate drain pipe after being condensed, and treatment is simple and convenient.
Description
Technical field
The invention belongs to burner arts, particularly, relating to a kind of igniter for directly lighting liquid fuel and liquid-fuel burner thereof.
Background technology
In the process of dry or pyrolyzing coal, burner is often used to produce thermal source.The fuel of burner, except adopting the gaseous fuels such as pyrolysis of coal gas, may use the coal tar wet goods liquid fuel after pyrolysis of coal, namely liquid-fuel burner.
In prior art, no matter be liquid-fuel burner or solid fuel burner, much all adopt gaseous fuel to come tentatively to light or aid lighting, such as, in patent application CN103791493A, namely adopt the combustion gas of detecting electrode to gas pipeline tentatively to light.According to the direct-fire mode to liquid fuel, then often because oxygen can not be excessive, fuel initial temperature is low, and is difficult to successfully and promptly light a fire.Unsuccessful if lighted a fire, the subsequent treatment work of the liquid fuel of splash in burner hearth can be pretty troublesome, such as, need to adopt inert gas such as nitrogen to purge etc., wastes time and energy.But, although adopt liquid fuel direct-fire mode exist above-mentioned not easily light a fire successfully and light a fire unsuccessful after the deficiency such as burner hearth cleaning process is loaded down with trivial details, but the direct-fire mode of this liquid fuel can replace the gaseous fuel being commonly used to light a fire, the boiler of remote districts can be made can not rely on gaseous fuel and successful automatic ignition completely run, significant.
In addition, the direct-fire of liquid fuel also has more research in engine art, and there is a large amount of patent, such as patent application CN101387219B etc.But the Patents of the direct-fire of these liquid fuels is all be applied on engine, but not on boiler or burner.The igniting of automobile engine and the igniting of burner have essence different, instantaneous oil spout and igniting with interval in engine, ignition intensity, frequency, the duration of ignition require etc. all completely different from the liquid fuel direct-fire of burner, especially do not exist in engine igniting unsuccessful after above-mentioned subsequent treatment problem.
Summary of the invention
The object of this invention is to provide a kind of liquid fuel igniting device, and have employed the liquid-fuel burner of this liquid fuel igniting device, can to liquid fuel direct-fire, easy to operate, light a fire unsuccessful after process simple and quick.
For achieving the above object, according to an aspect of the present invention, provide liquid fuel igniting device, igniting chamber is formed in this igniter, ignitor is provided with in this igniting chamber, wherein, described igniter comprises fuel and sprays into pipe, flame bleed pipe and condensate drain, described fuel sprays into pipe and stretches in described igniting chamber to spray into air atomizing fuel towards described ignitor, described flame bleed pipe from described igniting chamber upwards or horizontal-extending, described condensate drain stretches out downwards from described igniting chamber, described air atomizing fuel is discharged by described condensate drain after can coagulating wall in described igniting chamber when lighting a fire unsuccessful.
Preferably, described igniting chamber comprises seed region and choked flow district, described fuel sprays into pipe and described ignitor stretches in described seed region, described choked flow district is formed between described seed region and described flame bleed pipe, is arranged at intervals with for stopping that fin is revolved in multiple resistances that described air atomizing fuel rotates or flows out in described choked flow district.
Preferably, it is be connected to the plate fin on the inwall of described igniting chamber that fin is revolved in described resistance, and on the cross section in described choked flow district, it is vertically grid-like or circumferentially that fin is revolved in multiple described resistance.
Preferably, described igniting chamber is formed as truncated cone shape and has periphery wall and circular bottom wall, and the open top of described igniting chamber is directly connected with described flame bleed pipe or forms convergent buccal funnel shape and be connected with described flame bleed pipe.
Preferably, the described igniting chamber of truncated conical shape and described flame bleed pipe coaxially arrange and central axis is inclined relative to horizontal upwards or horizontal-extending, and described condensate drain to be connected on the described periphery wall near described circular bottom wall and to be tilted to down and stretches out.
Preferably, described ignitor stretches in described seed region from described circular bottom wall along the central axis of described igniting chamber, and described fuel sprays into pipe and radially stretches into described seed region from described periphery wall.
Preferably, described ignitor stretches in described seed region from the marginal portion of described circular bottom wall, and described fuel sprays into pipe and stretches into described seed region from described periphery wall, and makes the described air atomizing fuel that sprays into along the circumferential flow of described circular bottom wall.
Preferably, described flame bleed pipe is the straight tube tilted upward, or described flame bleed pipe is the bend pipe having curvature.
In the present invention, this igniter also can comprise controller and the flame monitoring apparatus for the fired state of monitoring described igniting chamber, described fuel sprays in pipe and is provided with fuel and spurts control valve, be provided with condensate drain control valve in described condensate drain, described controller be electrically connected respectively and control described flame monitoring apparatus, described ignitor, described fuel spurts control valve and described condensate drain control valve.
According to another aspect of the present invention, provide a kind of liquid-fuel burner, this burner comprises one or morely can spray the main burner of liquid fuel for lighting a fire and the liquid fuel igniting device above-mentioned according to the present invention, and the described flame bleed pipe of this liquid fuel igniting device extends towards described main burner to light described main burner.
Preferably, described liquid fuel igniting device is arranged on below or the lateral position of described main burner.
Preferably, described condensate drain is connected to the lowest point in described igniting chamber.
According to technique scheme, in liquid fuel igniting device of the present invention, built-in ignitor room is adopted directly to light liquid fuel, ignitor produces high intensity electric arc, then spray into fuel the air atomizing fuel that pipe sprays in igniting chamber to light a fire, the flame successfully of lighting a fire is sprayed by flame bleed pipe, fuel sprays into the sustainable ejection fuel of pipe, thus make flame bleed pipe spray Persistence flame, can be applied in liquid-fuel burner, Persistence flame is made to aim at the main burner of burner, light the liquid fuel of main burner ejection, enter burner combustion, thus without the need to adopting gaseous fuel to carry out aid lighting, achieve the liquid fuel igniting mode of liquid-fuel burner.Unsuccessful if light a fire, then can be discharged in time by condensate drain after the air atomizing fuel accumulated in igniting chamber coagulates wall, and without the need to adopting nitrogen to purge, subsequent treatment is simple and convenient.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the structural representation of the liquid fuel igniting device according to the preferred embodiment of the present invention;
Fig. 2 and Fig. 1 is similar, but adds controller and flame monitoring apparatus, realizes automatic ignition and controls;
Fig. 3 is the side view along left arrow direction in Fig. 1, and fin is revolved in the resistance shown in igniting chamber with dashed lines in figure;
Fig. 4 is the arrangement that a kind of fuel of preferred embodiment sprays into pipe and ignitor;
Fig. 5 is the arrangement that the fuel of another kind of preferred embodiment sprays into pipe and ignitor.
description of reference numerals
1 ignitor 2 fuel sprays into pipe
3 flame bleed pipe 4 condensate drains
Fin 6 flame monitoring apparatus is revolved in 5 resistances
7 controllers
21 fuel spurt control valve 41 condensate drain control valve
A igniting chamber A1 seed region
A2 choked flow district OO ' central axis
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the noun of locality used is if " upper and lower " is normally for direction shown in the drawings, or for vertically, on vertical or gravity direction, or each parts mutual alignment relationship description word of dependency structure equipment under normal operating condition; Similarly, for ease of understanding and describing, " left and right " is normally for shown in the drawings left and right; " inside and outside " refers to profile inside and outside relative to each parts itself, but the above-mentioned noun of locality is not limited to the present invention.
As depicted in figs. 1 and 2, the invention provides a kind of liquid fuel igniting device, igniting chamber A is formed in this igniter, ignitor 1 is provided with in this igniting chamber A, wherein, described liquid fuel igniting device comprises fuel and sprays into pipe 2, flame bleed pipe 3 and condensate drain 4, fuel sprays into pipe 2 and stretches in igniting chamber A to spray into air atomizing fuel towards ignitor 1, flame bleed pipe 3 upwards extends from igniting chamber A, condensate drain 4 stretches out downwards from igniting chamber A, and air atomizing fuel is discharged by condensate drain 4 after can coagulating wall in igniting chamber A when lighting a fire unsuccessful.This liquid fuel igniting device can realize the direct-fire of liquid fuel (such as coal tar wet goods), below will specifically set forth.
Aforesaid liquid fuel igniter has certain versatility, but is specially adapted in liquid-fuel burner.Liquid-fuel burner generally comprises the main burner (not shown) of the liquid fuel that can spray for lighting a fire, and the flame bleed pipe 3 of liquid fuel igniting device extends towards main burner to light main burner.Like this, by the liquefied fuel direct-fire in liquid fuel within igniter and utilize independent liquid fuel igniting device to light main burner, achieve the Novel ignition mode to liquid-fuel burner.
In the present invention, as total purport, be the direct-fire in order to realize liquid fuel, and without the need to adopting the gaseous fuel of auxiliary combustion and ignition combustion device simply and easily.For this reason, devise small igniter room A especially, in this igniting chamber, directly light liquid fuel.Fuel sprays into pipe 2 and sprays into air atomizing fuel (i.e. the mixture of atomized fuel and air) towards igniting chamber A, the liquid fuel of mixing air is injected into micron-sized droplet by nozzle, droplet forms injection stream and rotates in igniting chamber A, is lighted a fire by ignitor 1 (such as high-voltage arc ignitor).If light a fire successfully, then the volume meeting undergoes rapid expansion of HTHP flame, combustion flame outwards will be sprayed by flame bleed pipe 3.Wherein, fuel sprays into pipe 2 sustainable ejection air atomizing fuel, thus make flame bleed pipe 3 spray Persistence flame, form naked light, naked light flame is sprayed onto the atomized liquid fuel that the main burner of burner sprays with the main burner that ignites, thus enter burner combustion, realize the liquefied fuel sparking mode of liquid-fuel burner.Wherein, nozzle herein and structure etc. thereof be focal point of the present invention not, and as common practise, no longer specifically sets forth at this.
Unsuccessful if light a fire, then the air atomizing fuel accumulated will in igniting chamber A stop motion solidifying wall, deposition gradually, discharge in time eventually through specially designed condensate drain 4.Condensate drain 4 should be connected to the lower position in igniting chamber A, discharges to facilitate drainage.Preferably, when liquid fuel within igniter uses, condensate drain 4 is connected to the lowest point in igniting chamber A, and namely liquid fuel igniting device should be installed as the lowest point making the tie point of condensate drain 4 be in igniting chamber A.In other words, when installing this liquid fuel igniting device in the burner, by regulating the installation site of device, the tie point of condensate drain 4 should be made to be in lowest point in igniting chamber A.
Due to the burner hearth compared to burner, the volume of igniting chamber A is relatively little, it is also relatively little that fuel sprays into once the light a fire liquid fuel amount of ejection of pipe 2, so just without the need to too focus on igniting unsuccessful after liquid fuel accumulation and may lighting a fire of causing the consequence such as to fire.Thus, after one or many igniting is unsuccessful, discharged the liquid fuel of accumulation by condensate drain 4 in time, can again light a fire.Certainly, also can pass into the inert gases such as nitrogen, igniting chamber A is purged, again light a fire after realizing inert environments.But nonetheless, time unsuccessful relative to the liquid fuel direct-fire of burner, to subsequent treatment such as the nitrogen purgings of burner hearth, all greatly simplify from aspects such as workload, operation convenience and processing times or reduce.
Wherein, the volume of igniting chamber A and shape can design according to actual needs.In addition, it can be circular, oval, square etc. that fuel sprays into pipe 2 and the cross section of condensate drain 4, also can design according to actual needs.When the volume of usual igniting chamber A is lighted a fire to acceptable failed ignition times and single, the spray volume of fuel is relevant, and the volume of igniting chamber A should be greater than the fuel spray volume sum of allowing the frequency of failure.Meanwhile, compared to the burner hearth of burner, the volume of igniting chamber A should be designed to less, to avoid the loaded down with trivial details process to the removing of ejection liquid fuel etc. after loss of ignition.Like this, because the space in igniting chamber A is little, after igniting is unsuccessful, even without the need to adopting nitrogen to purge, can again light a fire, simple to operation.
It should be noted that in addition, liquid fuel igniting device of the present invention is different from the igniter in engine completely, from all many-sides such as volume, shape, structure, function, purposes and running statuses, all completely different from the igniting chamber of automobile engine.Igniting chamber A of the present invention has condensate drain pipeline 4, can process once the unsuccessful liquid fuel precipitated of lighting a fire, and needs to stop to discharge and accumulates fuel oil, then could again light a fire when several times igniting is unsuccessful.Further, light a fire successfully and need to continue to spray into fuel to form sustained combustion, until main burner is lighted, this is also different from instantaneous with interval oil spout and the igniting of engine, and the two has essential distinction.
The Novel ignition mode formed when being explained above the basic comprising of liquid fuel igniting device of the present invention and being applied to liquid-fuel burner.Functional structure parts and the optimal design thereof of liquid fuel igniting device is illustrated below in conjunction with accompanying drawing.
When realizing the direct-fire of liquid fuel in liquid fuel within igniter, need to carry out corresponding optimal design from all many-sides such as the controls of the shape of igniting chamber A, capacity and fuel straying quatity, to ensure that the air atomizing fuel sprayed into only rotates before ignition in igniting chamber A, but do not spray igniting chamber A.If light a fire successfully, HTHP flame can spray igniting chamber A and be sprayed onto sustained combustion near main burner, for lighting main burner.Unsuccessful if lighted a fire, the liquid fuel of atomization can very fast stop motion precipitating, to discharge igniting chamber A by condensate drain 4.
Therefore, as shown in Figure 1, igniting chamber A is preferably designed for and comprises seed region A1 and choked flow district A2, fuel sprays into pipe 2 and ignitor 1 stretches in seed region A1, choked flow district A2 is formed between seed region A1 and flame bleed pipe 3, and fin 5 is revolved in the multiple resistances be arranged at intervals with in choked flow district A2 for the rotation of blocks air atomized fuel or outflow.Wherein, fuel sprays into the air atomizing fuel that pipe 2 sprays into and only rotates in seed region A1, revolve fin 5 grade by resistance and stop fuel effusion, and when lighting a fire unsuccessful, make atomized fuel can condense upon the inwall of igniting chamber A and resistance is revolved on fin 5, thus deposition, backflow, condensate drain 4 is from below discharged.Those skilled in the art it is understood that, fin 5 is revolved in resistance can various structure, shape and arrangement mode, can in grid-like vertical, be tilted to down, level and/or prolong choked flow district A2 cross section circumferentially, preferably, can in vertically grid-like or circumferentially.Exemplarily, as shown in Figure 3, the resistance in present embodiment is revolved fin 5 and is preferably connected to plate fin on the inwall of igniting chamber A, and the bearing of trend of plate fin is roughly identical with the bearing of trend of flame bleed pipe 3.On the cross section of choked flow district A2, multiple resistance is revolved fin 5 and is arranged vertically in grid-like, namely spaced along the radial arrangement in Fig. 3, the upper and lower end that fin 5 is revolved in resistance is connected respectively on the inwall of igniting chamber A, make the atomized fuel along the circumferential direction rotated as shown in arrow in Fig. 4 or Fig. 5 can collide the resistance arranged in radial direction in choked flow district A2 to revolve on fin 5, thus stop motion also produces solidifying wall, backflow gradually.Meanwhile, the flame produced when lighting a fire successfully then can be smoothly through resistance and revolve gap between fin 5 and outwards spray through choked flow district A2.
In the present embodiment, igniting chamber A is preferably formed as roughly truncated cone shape have periphery wall and circular bottom wall, and igniting chamber A is strip and open top is formed as convergent mouth, and this convergent mouth is connected with flame bleed pipe 3.This strip, truncated cone shape and convergent mouth be designed with the effusion being beneficial to and preventing air atomizing fuel.
It should be noted that, the noun of locality " upper and lower " used in the present invention is distinguished with height or vertical direction, " top, the end " is then defined according to the self structure feature of parts or usual address, when generally installing, top usually upper, bottom under, but when oppositely installing, then top under, bottom is upper.Such as, when liquid fuel igniting device of the present invention is installed in burner, usually below or the lateral position of main burner is preferably mounted in, and igniting chamber A is with the inclination slightly shown in Fig. 1 or Fig. 2, the fin 5 even inwall of flame bleed pipe 3 condenses so that atomized fuel can revolve in resistance and refluxes, discharge.Now, the lowest point of igniting chamber A is the lower edge region of circular bottom wall, and namely condensate drain 4 is connected to this.More specifically, as shown in Figure 1, igniting chamber A and the flame bleed pipe 3 of truncated cone shape are coaxially arranged, and when being installed in burner, the central axis OO ' of igniting chamber A and flame bleed pipe 3 is inclined relative to horizontal upwards, and condensate drain 4 to be connected on the periphery wall near circular bottom wall and to be tilted to down and stretches out.Certainly, igniting chamber A and flame bleed pipe 3 also can roughly vertically upright be installed.
As shown in Figure 4, as a kind of preferred arrangement, ignitor 1 can stretch in seed region A1 along the central axis OO ' of igniting chamber A from circular bottom wall, and fuel sprays into pipe 2 and radially stretches into seed region A1 from periphery wall.Like this, fuel sprays into air atomizing fuel that pipe 2 sprays into after high speed nozzle to ignitor 1 or seed region A1 inwall to both sides dispersion, forms the two-way high velocity stream that the sidewall along both sides rotates, and inwardly in rotary moving gradually.
As shown in Figure 5, as another kind of preferred arrangement, ignitor 1 can stretch in seed region A1 from the marginal portion of circular bottom wall, and fuel sprays into pipe 2 and stretches into seed region A1 from periphery wall, and makes the air atomizing fuel that sprays into along the circumferential flow of circular bottom wall.In other words, fuel sprays into the roughly tangential direction of pipe 2 from periphery wall along the outer peripheral edge of circular bottom wall and stretches in seed region A1, thus fuel sprays into air atomizing fuel that pipe 2 sprays into forms single channel high velocity stream along wall flow, inwardly in rotary moving equally gradually.Be provided with the choked flow district A2 hindering and revolve fin 5, the high velocity stream of the air atomizing fuel in Fig. 4 and Fig. 5 shown in arrow is all blocked, and produces solidifying wall backflow.Further, the inwall of flame bleed pipe 3 also can arrange similar fin adherent on a small quantity equally, for revolving the resistance of the air atomizing fuel escaped on a small quantity when lighting a fire unsuccessful and accelerating precipitation.
In addition, as depicted in figs. 1 and 2, the straight tube that flame bleed pipe 3 preferably tilts upward, flame ejection and hydrops is facilitated to coagulate wall backflow, but those skilled in the art it is understood that, when ensureing that flame can spray, flame bleed pipe 3 also can be the bend pipe shape that curvature is not too large, and such as curvature is not more than the bend pipe of 90 degree.
In addition, for the monitoring and automatic ignition that realize igniting control, as shown in Figure 2, liquid fuel igniting device of the present invention also can comprise the flame monitoring apparatus 6 of controller 7 and the fired state for monitors ignition room A further, fuel sprays in pipe 2 and is provided with fuel and spurts control valve 21, be provided with condensate drain control valve 41 in condensate drain 4, controller 7 be electrically connected respectively and control flame monitoring apparatus 6, ignitor 1, fuel spurts control valve 21 and condensate drain control valve 41.Controller 7 spurts the aperture of control valve 21 by solenoid control fuel, thus controls the straying quatity and the flow velocity that spray into the air atomizing fuel of igniting chamber A, so same for condensate drain control valve 41.In a word, controller 7 can control the co-operating of all parts, realizes igniting monitoring, automatic ignition controls or hydrops is discharged.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant and improvement to technical scheme of the present invention, these simple variant and improvement all belong to protection scope of the present invention.Such as, burning apparatus for combustion of liquid fuel of the present invention can be isolated system, and the material of the outer wall of its igniting chamber A by resistant to elevated temperatures alloy or nonmetally can be formed, but also can be that its building block is formed respectively or installs in the burner.Such as, the igniting chamber A in liquid-fuel burner both can be formed in independent liquefied fuel igniter, also by excavating corresponding capacitor to be used as described igniting chamber A in the burner hearth or body of heater of burner.In addition, also inert gas duct can be passed in igniting chamber A, with in the unsuccessful situation of igniting, pass into inert gas as nitrogen etc., to be contributed to by Purge methods discharging hydrops fast, and the inert environments realized in igniting chamber A, reduce time interval of again lighting a fire and the security reliability of igniting is provided.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (12)
1. a liquid fuel igniting device, igniting chamber (A) is formed in this igniter, ignitor (1) is provided with in this igniting chamber (A), wherein, described igniter comprises fuel and sprays into pipe (2), flame bleed pipe (3) and condensate drain (4), described fuel sprays into pipe (2) and stretches in described igniting chamber (A) to spray into air atomizing fuel towards described ignitor (1), described flame bleed pipe (3) from described igniting chamber (A) upwards or horizontal-extending, described condensate drain (4) stretches out downwards from described igniting chamber (A), described air atomizing fuel discharged by described condensate drain (4) after can coagulate wall when lighting a fire unsuccessful in described igniting chamber (A).
2. liquid fuel igniting device according to claim 1, wherein, described igniting chamber (A) comprises seed region (A1) and choked flow district (A2), described fuel sprays into pipe (2) and described ignitor (1) stretches in described seed region (A1), described choked flow district (A2) is formed between described seed region (A1) and described flame bleed pipe (3), is arranged at intervals with for stopping that fin (5) is revolved in multiple resistances that described air atomizing fuel rotates or flows out in described choked flow district (A2).
3. liquid fuel igniting device according to claim 2, wherein, described resistance revolves fin (5) for being connected to the plate fin on the inwall of described igniting chamber (A), on the cross section of described choked flow district (A2), multiple described resistance revolves fin (5) in vertically grid-like or circumferentially.
4. liquid fuel igniting device according to claim 1, wherein, described igniting chamber (A) is formed as truncated conical shape and has periphery wall and circular bottom wall, and the open top of described igniting chamber (A) is directly connected with described flame bleed pipe (3) or forms convergent buccal funnel shape and be connected with described flame bleed pipe (3).
5. liquid fuel igniting device according to claim 4, wherein, the described igniting chamber (A) of truncated conical shape and described flame bleed pipe (3) coaxially arrange and central axis (OO ') is inclined relative to horizontal upwards or horizontal-extending, and described condensate drain (4) to be connected on the described periphery wall of described circular bottom wall and to be tilted to down and stretches out.
6. liquid fuel igniting device according to claim 4, wherein, the central axis of described ignitor (1) from described circular bottom wall along described igniting chamber (A) (OO ') stretch in described seed region (A1), described fuel sprays into pipe (2) and radially stretches into described seed region (A1) from described periphery wall.
7. liquid fuel igniting device according to claim 4, wherein, described ignitor (1) stretches in described seed region (A1) from the marginal portion of described circular bottom wall, described fuel sprays into pipe (2) and stretches into described seed region (A1) from described periphery wall, and makes the described air atomizing fuel that sprays into along the circumferential flow of described circular bottom wall.
8. liquid fuel igniting device according to claim 1, wherein, described flame bleed pipe (3) is for tilting upward or the straight tube of horizontal-extending, or described flame bleed pipe (3) is for there being the bend pipe of curvature.
9. liquid fuel igniting device according to claim 1, wherein, this igniter also comprises controller (7) and the flame monitoring apparatus (6) for the fired state of monitoring described igniting chamber (A), described fuel sprays in pipe (2) and is provided with fuel and spurts control valve (21), condensate drain control valve (41) is provided with in described condensate drain (4), described controller (7) is electrically connected respectively and controls described flame monitoring apparatus (6), described ignitor (1), described fuel spurts control valve (21) and described condensate drain control valve (41).
10. a liquid-fuel burner, wherein, this burner comprise one or more can spray liquid fuel for lighting a fire main burner and according to the liquid fuel igniting device in the claims 1-9 described in any one, the described flame bleed pipe (3) of this liquid fuel igniting device extends towards described main burner to light described main burner.
11. liquid-fuel burners according to claim 10, wherein, described liquid fuel igniting device is arranged on below or the lateral position of described main burner.
12. liquid-fuel burners according to claim 10, wherein, described condensate drain (4) is connected to the lowest point in described igniting chamber (A).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410466317.4A CN105402767B (en) | 2014-09-12 | 2014-09-12 | Liquid fuel igniting device and liquid-fuel burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410466317.4A CN105402767B (en) | 2014-09-12 | 2014-09-12 | Liquid fuel igniting device and liquid-fuel burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105402767A true CN105402767A (en) | 2016-03-16 |
| CN105402767B CN105402767B (en) | 2018-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410466317.4A Active CN105402767B (en) | 2014-09-12 | 2014-09-12 | Liquid fuel igniting device and liquid-fuel burner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902161A (en) * | 2021-01-29 | 2021-06-04 | 西安交通大学 | Fully premixed water-cooled gas burner with dynamically adjustable gas flow channel |
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| JPH06241453A (en) * | 1993-02-12 | 1994-08-30 | Kawasaki Steel Corp | Furnace top ignition burner for blast furnace |
| CN101109518A (en) * | 2007-08-20 | 2008-01-23 | 上海诺特飞博燃烧设备有限公司 | Ignition gun for industrial combustor |
| CN102384487A (en) * | 2011-11-14 | 2012-03-21 | 中国船舶重工集团公司第七�三研究所 | Ignition device integrating flame detection |
| CN103017190A (en) * | 2013-01-15 | 2013-04-03 | 烟台龙源电力技术股份有限公司 | Oxygenating device igniting with little oil or without oil |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06241453A (en) * | 1993-02-12 | 1994-08-30 | Kawasaki Steel Corp | Furnace top ignition burner for blast furnace |
| CN101109518A (en) * | 2007-08-20 | 2008-01-23 | 上海诺特飞博燃烧设备有限公司 | Ignition gun for industrial combustor |
| CN102384487A (en) * | 2011-11-14 | 2012-03-21 | 中国船舶重工集团公司第七�三研究所 | Ignition device integrating flame detection |
| CN103017190A (en) * | 2013-01-15 | 2013-04-03 | 烟台龙源电力技术股份有限公司 | Oxygenating device igniting with little oil or without oil |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902161A (en) * | 2021-01-29 | 2021-06-04 | 西安交通大学 | Fully premixed water-cooled gas burner with dynamically adjustable gas flow channel |
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| CN105402767B (en) | 2018-07-24 |
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