CN105783028A - Burner ignition device and high-energy igniter - Google Patents
Burner ignition device and high-energy igniter Download PDFInfo
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- CN105783028A CN105783028A CN201410839996.5A CN201410839996A CN105783028A CN 105783028 A CN105783028 A CN 105783028A CN 201410839996 A CN201410839996 A CN 201410839996A CN 105783028 A CN105783028 A CN 105783028A
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Abstract
The invention discloses a burner ignition device and a high-energy igniter. The burner ignition device comprises a hollow pipe, the high-energy igniter, a flame monitor, a fuel conveying pipe, a fuel inlet, a combustion improver conveying pipe, a combustion improver inlet and a cooling water conveying pipe. The high-energy igniter is arranged at a first end of the hollow pipe, and includes an anode, a cathode arranged out of the anode and an insulation layer from insulating the anode from the cathode; and a hollow structure communicated with the hollow pipe is formed in middle of the anode. The flame monitor is arranged at a second end of the hollow pipe for monitoring the flame conditions through the hollow pipe and the hollow structure. The fuel conveying pipe coats the hollow pipe and the cathode, and is at least partially separated from the hollow part. The combustion improver conveying pipe coats the fuel conveying pipe, and is at least partially separated from the fuel conveying pipe. The cooling water conveying pipe coats the combustion improver conveying pipe, and two end parts are closed; and the cooling water conveying pipe includes a water inlet, a cooling water circulating channel and a water return port. The device can improve the ignition success rate.
Description
Technical field
The present invention relates to gasification furnace structure technical field, in particular it relates to a kind of high-energy igniter and there is the burner igniting device of this high-energy igniter.
Background technology
In traditional coal chemical field, air flow bed technology is the Coal Gasification Technology of a kind of advanced person, mainly includes coal water slurry gasification, coal gasification, fluidized gasification etc..Wherein, in air flow bed technology, gasification furnace is highly important equipment.Coal dust/water-coal-slurry and oxygen pyroreaction in gasification furnace generates synthesis gas, then arrives downstream transforms system synthesis.Therefore, the safe and stable operation of gasification furnace is one of key factor of gasifying process.The starting stage of stove is opened, it is necessary to complete setting process conditions down-firing in gasification.Traditional igniter is typically in normal pressure down-firing.And the advanced airflow bed gasification furnace of major part needs at certain pressure (such as 0.3-1MPa) down-firing, difficulty is big, flame holding is poor in igniting, especially continuing to heat up, in boost process, it is easy to de-fire, flame-out phenomenon occur.And, the monitoring of flame situation is only relied upon flame sensing signal, there is the possibility of flase drop.
Therefore, it is necessary to propose a kind of high-energy igniter and there is the burner igniting device of this high-energy igniter.
Summary of the invention
Introducing the concept of a series of reduced form in Summary, this will further describe in detailed description of the invention part.The Summary of the present invention is not meant to the key feature and the essential features that attempt to limit technical scheme required for protection, does not more mean that the protection domain attempting to determine technical scheme required for protection.
In order to solve the problems referred to above, the invention discloses a kind of burner igniting device.Described burner igniting device includes: hollow pipe, and described hollow pipe extends along the longitudinal direction；High-energy igniter, described high-energy igniter is arranged on the first end of described hollow pipe, described high-energy igniter includes anode, negative electrode and insulating barrier, wherein, the intermediate formation hollow structure of described anode, described negative electrode is arranged on described anode external along the radial direction of described hollow structure, and described insulating barrier is arranged between described anode and described negative electrode and by described anode and described cathode insulation, further, described hollow structure is through with described hollow pipe；Flame monitor, described flame monitor is arranged on second end relative with described first end of described hollow pipe, for monitoring flame situation when described burner igniting device works by the described hollow structure of described hollow pipe with described anode；Fuel-supply pipe, described fuel-supply pipe is set in described hollow pipe and described cathode external and spaced apart at least in part with described hollow pipe, to form fuel circulation passage between described hollow pipe and described fuel-supply pipe, between one end of the close described high-energy igniter of described fuel-supply pipe and described hollow pipe, it is provided with the fuel outlet connected with described fuel circulation passage；Fuel inlet, described fuel inlet connects with described fuel-supply pipe, for providing fuel to described fuel-supply pipe；Combustion adjuvant conveying pipe, it is outside and spaced apart at least in part with described fuel-supply pipe that described combustion adjuvant conveying pipe box is located at described fuel-supply pipe, form combustion adjuvant circulation passage between pipe to carry at described fuel-supply pipe and described combustion adjuvant, between one end and the described fuel-supply pipe of the close described high-energy igniter of described combustion adjuvant conveying pipe, be provided with the combustion adjuvant outlet connected with described combustion adjuvant circulation passage；Combustion adjuvant entrance, described combustion adjuvant entrance carries pipe to connect with described combustion adjuvant, for carrying pipe to provide combustion adjuvant to described combustion adjuvant；And cooling water conveying pipe, described cooling water conveying pipe box is located at the outside of described combustion adjuvant conveying pipe and two end-encloseds of described cooling water conveying pipe, and described cooling water conveying pipe includes the cooling current circulation passage that water inlet connects and the water return outlet connected with described cooling current circulation passage with described water inlet.
Preferably, described hollow pipe includes the metal tube and the insulation tube that are threaded connection, and wherein said insulation tube and described anode are threaded connection.
Preferably, described burner igniting device includes the inert gas entrance connected with described hollow pipe, and described inert gas entrance is arranged on the sidewall of described hollow pipe.
Preferably, described combustion adjuvant conveying pipe carries pipe along described longitudinal direction to inside contracting at described combustion adjuvant exit end relative to described cooling water, forms the surface of convergent with the end between described cooling water conveying pipe and described combustion adjuvant conveying pipe.
Preferably, described fuel-supply pipe carries pipe along described longitudinal direction to inside contracting in described fuel outlet one end relative to described combustion adjuvant, and/or, one end away from described hollow pipe of described high-energy igniter relative to described fuel-supply pipe along described longitudinal direction to inside contracting.
Preferably, described high-energy igniter farther includes the first spoiler, described first spoiler is connected between the negative electrode of described high-energy igniter and described fuel-supply pipe, and wherein, the angle of the described longitudinal direction of described first spoiler and described hollow pipe is 0 ° or between 10 ° to 70 °.
Preferably, described burner igniting device includes the second spoiler, described second spoiler is connected between described fuel-supply pipe and described combustion adjuvant conveying pipe, and wherein, the angle of the described longitudinal direction of described second spoiler and described hollow pipe is 0 ° or between 10 ° to 70 °.
Preferably, described burner igniting device includes for fixing described hollow pipe, described fuel-supply pipe carries the flange end seat of pipe with described combustion adjuvant, wherein, described flange end seat connects described fuel-supply pipe and the end away from described high-energy igniter of described combustion adjuvant conveying pipe, the described second end described flange end seat of traverse, the sidewall of described flange end seat is provided with the external circuit connection for being connected by described anode with external circuit, described fuel inlet is arranged on described flange end seat, described combustion adjuvant entrance is arranged on described flange end seat or on described combustion adjuvant conveying pipe.
According to another aspect of the present invention, it is provided that a kind of high-energy igniter.Described high-energy igniter includes: anode, the intermediate formation hollow structure of described anode, and when described high-energy igniter works, described anode is connected with external power source, and described hollow structure is used for monitoring flame situation；Negative electrode, described negative electrode is arranged on described anode external along the radial direction of described hollow structure；And insulating barrier, described insulating barrier is arranged between described anode and described negative electrode and by described anode and described cathode insulation.
Preferably, described high-energy igniter farther includes the first spoiler, described first spoiler is arranged on the outside of the negative electrode of described high-energy igniter, and wherein, the angle of the longitudinal direction of described first spoiler and described hollow structure is 0 ° or between 10 ° to 70 °.
Burner igniting device according to the present invention is provided with hollow pipe and high-energy igniter, high-energy igniter is provided with the hollow structure through with hollow pipe, therefore, in ignition process, this hollow pipe can be passed through and hollow structure observes flame situation, can the combustion position of comprehensive monitoring fuel, improve ignition success rate and flame holding.
Accompanying drawing explanation
The drawings below of the embodiment of the present invention is used for understanding the present invention in this as the part of the present invention.Shown in the drawings of embodiments of the present invention and description thereof, it is used for explaining principles of the invention.In the accompanying drawings,
Fig. 1 is the schematic diagram of the burner igniting device according to an embodiment of the invention；And
Fig. 2 is the schematic diagram of the high-energy igniter of the burner igniting device shown in Fig. 1.
Detailed description of the invention
In the following description, a large amount of concrete details is given to provide more thorough understanding of the invention.It will be apparent, however, to one skilled in the art that the embodiment of the present invention can be carried out without these details one or more.In other example, in order to avoid obscuring with the embodiment of the present invention, technical characteristics more well known in the art are not described.
In order to thoroughly understand the embodiment of the present invention, detailed structure will be proposed in following description.Obviously, the execution of the embodiment of the present invention is not limited to the specific details that those skilled in the art has the knack of.Presently preferred embodiments of the present invention is described in detail as follows, but except these detailed descriptions, the present invention can also have other embodiments.
According to an aspect of the present invention, it is provided that a kind of burner igniting device.As it is shown in figure 1, described burner igniting device 100 includes hollow pipe 110, high-energy igniter 120, flame monitor 130, fuel-supply pipe 140, fuel inlet 140A, combustion adjuvant conveying pipe 150, combustion adjuvant entrance 150A and cooling water conveying pipe 160.The concrete structure of each parts of burner igniting device 100 is described in detail below in conjunction with Fig. 1 and Fig. 2.
As it is shown in figure 1, hollow pipe 110 extends along the longitudinal direction.Wherein, when hollow pipe 110 is arranged as illustrated in fig. 1, " longitudinal direction " refers to the short transverse of hollow pipe 110.One end of hollow pipe is provided with high-energy igniter 120, and the relative other end is provided with flame monitor 130.Introduce high-energy igniter 120 and flame monitor 130 separately below.
As in figure 2 it is shown, high-energy igniter 120 includes anode 121, negative electrode 122 and insulating barrier 123.The intermediate formation hollow structure of anode 121, this hollow structure is through with hollow pipe 110, to form continuously through hollow space.This hollow space can be conducive to utilizing flame monitor 130 (Fig. 1) to observe flame situation.Wherein, anode 121 can be continuously formed cylindrical shape around hollow structure, and namely anode 121 can surround hollow structure with 360 °.Can also be that the multiple anodes 121 opened at hollow structure ambient separation surround hollow structure together, can be spaced apart by insulant between multiple anodes 121.Additionally, anode 121 can also partly surround hollow structure, for instance, anode 121 can surround hollow structure with 180 °, 270 ° or other any suitable angles.Preferably, the hollow space that the internal diameter of hollow structure can be equal with the internal diameter of hollow pipe 110, consistent to form internal diameter, conveniently utilize flame monitor 130 to observe flame situation.Certainly, the present invention limits without the internal diameter being intended to centering hollow structure, and the internal diameter of hollow structure according to actual needs, can be set to slightly larger than the internal diameter of hollow pipe 110 or be slightly less than the internal diameter of hollow pipe 110 by those skilled in the art.
The negative electrode 122 of high-energy igniter 120 is arranged on anode 121 outside along the radial direction of hollow structure.Insulating barrier 123 is arranged between anode 121 and negative electrode 122 and anode 121 and negative electrode 122 is insulated.When burner igniting device 100 works, it is possible to the anode 121 of high-energy igniter is connected with external circuit, and by negative electrode 122 ground connection.Through external circuit by AC220V voltage through transformer boost, bridge rectifier becomes high pressure (such as 2500V) unidirectional current, through capacitance energy storage, discharge tube concentrates and releases energy, produce high-energy spark pulse and realize igniting.
Flame monitor 130 is for monitoring flame situation when burner igniting device 100 works by the hollow structure of hollow pipe 110 with anode 121.Such as, flame detector 130 can include quartz glass, and this quartz glass is arranged on one end relative with high-energy igniter 120 of hollow pipe 110, and quartz glass can also support fluorescence detector, in order to observes flame situation, it is provided that the picture signal of flame.Additionally, flame monitor can also include other detectors of other signals (such as temperature signal) of detection flame, to provide other information such as flame temperature signal.
Fuel-supply pipe 140 is set in hollow pipe 110 and high-energy igniter 120 is outside.Specifically, fuel-supply pipe 140 is set in negative electrode 122 outside of hollow pipe 110 and high-energy igniter 120.Preferably, fuel-supply pipe 140 can be set in hollow pipe 110 and the outside of high-energy igniter 120 coaxially with hollow pipe 110.Fuel-supply pipe 140 can be completely spaced apart with hollow pipe 110, it is also possible to be connected between hollow pipe 110 along the spaced apart leg of the circumferential direction of hollow pipe 110.In a word, fuel-supply pipe 140 is spaced apart at least in part with hollow pipe 110, to form through fuel circulation passage between hollow pipe 110 and fuel-supply pipe 140.Fuel inlet 140A connects with fuel-supply pipe 140, for providing fuel to fuel-supply pipe 140.Fuel inlet 140A can be arranged on the sidewall of hollow pipe 110.Certainly, the present invention is without the position being intended to restriction fuel inlet 140A, and it can also be arranged on other any suitable positions according to practical situation.Offer can be gaseous fuel (such as, low heat value (10-20MJ/Nm to the fuel of fuel-supply pipe 1403) synthesis gas, mixing oil gas etc.), it is also possible to it is liquid fuel (such as light diesel).The fuel outlet 140B connected with fuel circulation passage it is provided with between one end of the close high-energy igniter 120 of fuel-supply pipe 140 and hollow pipe 110.Fuel outlet 140B can have various ways.Such as, one end of the fuel outlet 140B of fuel-supply pipe 140 can be shunk, to form fuel nozzle.The spoiler (the first spoiler 124) will being discussed in detail hereinafter can also be provided with at fuel outlet 140B place between fuel-supply pipe 140 and high-energy igniter 120.It is circulated to fuel outlet 140B from the fuel inlet 140A fuel entered through fuel circulation passage to light a fire through high-energy igniter 120 and burn.
It is outside that combustion adjuvant conveying pipe 150 is set in fuel-supply pipe 140.Preferably, combustion adjuvant conveying pipe 150 can be set in fuel-supply pipe 140 outside coaxially with fuel-supply pipe 140 and hollow pipe 110.Combustion adjuvant conveying pipe 150 can be completely spaced apart with fuel-supply pipe 140, it is also possible to and between fuel-supply pipe 140, it is connected to the multiple circumferentially-spaced leg along fuel-supply pipe 140.In a word, combustion adjuvant conveying pipe 150 is spaced apart at least in part with fuel-supply pipe 140, forms combustion adjuvant circulation passage to carry at fuel-supply pipe 140 and combustion adjuvant between pipe 150.Combustion adjuvant entrance 150A carries pipe 150 to connect with combustion adjuvant, for carrying pipe 150 to provide combustion adjuvant to combustion adjuvant.Combustion adjuvant entrance 150A can be arranged on the sidewall of combustion adjuvant conveying pipe 150.Certainly, the present invention without be intended to restriction combustion adjuvant entrance 150A position, it can also be arranged on other any suitable positions according to practical situation, for instance, hereafter it is to be mentioned that be arranged on flange end seat 170.Wherein, it is provided that to combustion adjuvant carry the combustion adjuvant of pipe 150 can be oxygen or other there is the gas etc. of combustion aid function.Combustion adjuvant outlet 150B it is provided with between one end and the fuel-supply pipe 140 of the close high-energy igniter 120 of combustion adjuvant conveying pipe 150.Combustion adjuvant outlet 150B can have various ways.Such as, one end of the combustion adjuvant outlet 150B of combustion adjuvant conveying pipe 150 can be shunk, to form combustion adjuvant nozzle.Export 150B place at combustion adjuvant between combustion adjuvant conveying pipe 150 and fuel-supply pipe 140 and can also be provided with the spoiler (the second spoiler 140C) will being discussed in detail hereinafter.From combustion adjuvant entrance 150A enter combustion adjuvant through combustion adjuvant circulation passage be circulated to combustion adjuvant outlet 150B and aid fuel combustion.
Cooling water conveying pipe 160 is set in the outside of combustion adjuvant conveying pipe 150.Preferably, cooling water conveying pipe 160 can carry pipe 150, fuel-supply pipe 140 and hollow pipe 110 to be coaxially disposed with combustion adjuvant.Cooling water conveying pipe 160 can include the water inlet 160A cooling current circulation passage 160C connected with water inlet and the water return outlet 160B connected with cooling current circulation passage 160C.That is, by cooling down the connection of current circulation passage between the water inlet 160A and water return outlet 160B of cooling water conveying pipe 160.In order to avoid water return outlet 160B affects the igniting of high-energy igniter 120, the water return outlet 160B of cooling water conveying pipe can carry the end of the close high-energy igniter 120 of pipe 160 as far away from cooling water, and not higher than water inlet 160A.Cool down current circulation passage 160C feed water flow circulation passage 160D and the water return outlet 160B that can include connecting with the water inlet backwater circulation passage 160E connected and be arranged on the dividing plate 160F between feed water flow circulation passage 160D and backwater circulation passage 160E.Wherein, dividing plate 160F is for being not completely separated out feed water flow circulation passage 160D and backwater circulation passage 160E.It will be appreciated that, owing to cooling water conveying pipe 160 is used for carrying cooling water, cooling water enters cooling current circulation passage 160C (such as feed water flow circulation passage 160D and backwater circulation passage 160E) from water inlet 160A, and flow out from water return outlet 160B, two ends of cooling water conveying pipe 160 are the end closed.The water inlet 160A of cooling water conveying pipe 160 can be arranged on the sidewall of cooling water conveying pipe 160, it is also possible to is arranged on the end wall of the one end away from high-energy igniter 120 of cooling water conveying pipe 160.The water return outlet 160B of cooling water conveying pipe 160 can be arranged on the sidewall of cooling water conveying pipe 160.Dividing plate 160E can and end wall between be provided with gap, feed water flow circulation passage 160C and backwater circulation passage 160D and realize liquid communication by this gap.
As in figure 2 it is shown, hollow pipe 110 can include metal tube 111 and insulation tube 112.Wherein can be threaded connection between metal tube 111 and insulation tube 112.Insulation tube 112 is threaded connection the anode 121 to high-energy igniter 120.Insulation tube 112 it is provided with, it is possible to avoid people to get an electric shock when observing flame situation by flame monitor 130, improve security performance between metal tube 111 and anode 121.
In actual production process, it is possible to also need to light a fire in an inert atmosphere.Therefore, according in a preferred embodiment of the present invention, burner igniting device 100 can also include the inert gas entrance 110A connected with hollow pipe 110.This inert gas entrance 110A can be arranged on the sidewall of hollow pipe 110.Certainly, the present invention is without being intended to the position that arranges of inert gas entrance 110A is defined, and it can also be arranged on any suitable position according to actual needs.By passing into noble gas in hollow pipe 110, it is possible to avoid hot gas or foul to enter into high-energy igniter 120, improve ignition quality and stability.Additionally, the noble gas passed into can form middle wind, in combustion the head of the burner igniting device 100 including high-energy igniter is formed protection, thus improving the service life of burner igniting device.
The end face of one end of the close high-energy igniter 120 of cooling water conveying pipe 160, combustion adjuvant conveying pipe 150 and fuel-supply pipe 140 can flush, it is also possible to is arranged as required to into and does not flush.Such as, according in a preferred embodiment of the present invention, as shown in Figure 1, combustion adjuvant conveying pipe 150 exports 150B one end (namely near one end of high-energy igniter 120) relative to cooling water conveying pipe 160 along the longitudinal direction to inside contracting at combustion adjuvant, forms the surface of convergent with the end between cooling water conveying pipe 160 and combustion adjuvant conveying pipe 150.With this set-up mode, when burner igniting device 100 ignition, the cooled water conveying pipe 160 of combustion adjuvant outlet 150B surrounds, be conducive to the radiation heat transfer of cooling water conveying pipe 160 end opposing thermal-flame, reduce the temperature at combustion adjuvant outlet 150B place, it is prevented that the end scaling loss of combustion adjuvant outlet 150B.
Further, fuel-supply pipe 140 can carry pipe 150 along the longitudinal direction to inside contracting relative to combustion adjuvant in fuel outlet 140B one end (namely near one end of high-energy igniter 120).The top of high-energy igniter 120 can relative to fuel-supply pipe 140 along the longitudinal direction to inside contracting similarly.With this set-up mode, burner igniting device 100 combustion adjuvant outlet 150B, fuel outlet 140B and high-energy igniter 120 all be cooled water conveying pipe 150 end tapered surface encirclement, be conducive to the radiation heat transfer of cooling water conveying pipe 160 end opposing thermal-flame, prevent their scaling loss, extend their service life.And, with this set-up mode, combustion adjuvant outlet 150B surrounds fuel outlet 140B, and fuel outlet surrounds high-energy igniter 120, and the combustion position of fuel is better, burns more abundant.
In actual mechanical process, for different fuel, it is desirable to design different velocities of liquid assets and circulation style, for instance eddy flow or direct current.Therefore, according in a preferred embodiment of the present invention, as in figure 2 it is shown, high-energy igniter 120 farther includes the first spoiler 124.First spoiler 124 is connected between the negative electrode 122 of high-energy igniter 120 and fuel-supply pipe 140 at fuel outlet 140B place.For independent high-energy igniter 120, the first spoiler 124 is arranged on the outside of negative electrode 122.By the angle that changes between the longitudinal direction of the first spoiler 124 and hollow pipe 110 (or hollow structure of anode 121) and the velocity of liquid assets and the circulation style that change fuel.
Such as, according in a preferred embodiment of the present invention, the angle between the first spoiler 124 and the longitudinal direction of hollow pipe 110 can between 10 ° to 70 °.Such as, 10 °, 45 °, 60 °, 70 ° etc..Specifically, the first end of the first spoiler 124 can be connected to the negative electrode 122 of high-energy igniter 120 or form with the negative electrode 122 of high-energy igniter 120.Second end of the first spoiler 124 can relative to the first end along hollow pipe 110 radial direction outwardly so that the first spoiler 124 is connected to fuel-supply pipe 140 relative to the longitudinal direction of hollow pipe 110 obliquely with desired angle (such as 10 °-70 °).With this set-up mode, fuel can realize the circulation style of eddy flow.
In other embodiments unshowned according to the present invention, when the circulation style of fuel is desired for direct current, the angle between the first spoiler 124 and the longitudinal direction of hollow pipe 110 can be 0 °.Namely the first spoiler 124 can and the longitudinal direction of hollow pipe 110 be arranged on abreast between the negative electrode 122 of high-energy igniter 120 and fuel-supply pipe 140.
The quantity of the first spoiler 124 can be set to one or more according to actual needs.For example, it is possible to arrange three the first spoilers 124, these three the first spoilers 124 are evenly distributed along the circumferential direction of hollow pipe 110.It should be noted that the first spoiler 124 is possible not only to affect as described above speed and the mode of fuel circulation, it is also possible to for fuel-supply pipe 140 is fixed to hollow pipe 110.
Equally, in actual mechanical process, for different combustion adjuvants, it is also desirable to design different velocities of liquid assets and circulation style, for instance eddy flow or direct current.Therefore, according in a preferred embodiment of the present invention, as it is shown in figure 1, burner igniting device 100 can also include the second spoiler 140C.This second spoiler 140C exports 150B place at combustion adjuvant and is connected between fuel-supply pipe 140 and combustion adjuvant conveying pipe 150.Wherein, the angle of the longitudinal direction of the second spoiler 140C and hollow pipe 110 can also be 0 ° or between 10 ° to 70 °.Except the second spoiler 140C is arranged between combustion adjuvant conveying pipe 150 and fuel-supply pipe 140, the concrete set-up mode of the second spoiler 140C and the concrete set-up mode of the first spoiler 124 are similar.Therefore, the concrete set-up mode of the second spoiler 140C is referred to the corresponding description of the first spoiler 124, for sake of simplicity, be not described in detail at this.
Pipe 150 is carried for the ease of fixing hollow pipe 110, fuel-supply pipe 140 and combustion adjuvant, according in a preferred embodiment of the present invention, burner igniting device 100 includes flange end seat 170, and this flange end seat 170 may be used for fixing hollow pipe 110, fuel-supply pipe 140 and combustion adjuvant conveying pipe 150.Flange end seat 170 is connected to fuel-supply pipe 140 and the end away from high-energy igniter 120 of combustion adjuvant conveying pipe 150.One end traverse flange end seat 170 being provided with flame monitor 130 of hollow pipe 110, in order to flame monitor 130 is set and is easy to observe flame combustion situation by hollow pipe 110.The sidewall of hollow pipe 110 can be connected to flange end seat 170, so that this burner igniting device 100 is more firm.With this set-up mode, between hollow pipe 110 and fuel-supply pipe 140 and fuel-supply pipe 140 and combustion adjuvant conveying pipe 150 between without arranging other fixing device, it is simple to install, reduce manufacturing cost.
Additionally, be also provided with external circuit connection 180 on the sidewall of flange end seat 170, this external circuit connection 180 is for being connected the anode 121 of high-energy igniter 120 with external circuit.Wherein, external circuit can include power supply, booster circuit, rectification circuit and electric capacity etc., and, the assembly such as booster circuit, rectification circuit and electric capacity can be considered as a part for high-energy igniter 120.Additionally, flange end seat 170 can be also used for arranging fuel inlet 140A.As it is shown in figure 1, when fuel inlet 140A is arranged on flange end seat 170, fuel inlet 140A without being placed through the combustion adjuvant conveying pipe 150 outside fuel-supply pipe 140, can facilitate processing and manufacturing.Combustion adjuvant entrance 150A can also be arranged on flange end seat 170 or combustion adjuvant entrance 150A can also be set directly on combustion adjuvant conveying pipe 150.
According to another aspect of the present invention, a kind of high-energy igniter 120 is also provided for.As in figure 2 it is shown, this high-energy igniter 120 includes anode 121, negative electrode 122 and the insulating barrier being arranged between anode 121 and negative electrode 122 and anode 121 and negative electrode 122 being insulated.The intermediate formation hollow structure of the anode 121 of high-energy igniter 120, is used for monitoring flame situation.In ignition process, it is possible to observe flame situation by this hollow structure, it is possible to comprehensive monitoring flame situation, improve ignition success rate.Furthermore, it is possible to pass into noble gas to form middle wind by hollow structure, thus in combustion high-energy igniter 120 being formed protection, improve the service life of high-energy igniter 120.
This high-energy igniter 120 is usable in burner igniting device 100 mentioned above, and certainly, as needed and/or desired, this high-energy igniter 120 can be also used in other igniter.Owing to the concrete structure of high-energy igniter 120 being described in detail hereinbefore, for sake of simplicity, be not described in detail at this.
In sum, burner igniting device according to the present invention is provided with hollow pipe and high-energy igniter, high-energy igniter is provided with the hollow structure through with hollow pipe, therefore, in ignition process, this hollow pipe can be passed through and hollow structure observes flame situation, it is possible to the combustion position of comprehensive monitoring fuel, improve ignition success rate and flame holding.
The present invention is illustrated already by above-described embodiment, but it is to be understood that, above-described embodiment is only intended to citing and descriptive purpose, and is not intended to limit the invention in described scope of embodiments.In addition it will be appreciated by persons skilled in the art that and the invention is not limited in above-described embodiment, more kinds of variants and modifications can also be made according to the teachings of the present invention, within these variants and modifications all fall within present invention scope required for protection.
Claims (10)
1. a burner igniting device, it is characterised in that described burner igniting device includes:
Hollow pipe, described hollow pipe extends along the longitudinal direction；
High-energy igniter, described high-energy igniter is arranged on the first end of described hollow pipe, described high-energy igniter includes anode, negative electrode and insulating barrier, wherein, the intermediate formation hollow structure of described anode, described negative electrode is arranged on described anode external along the radial direction of described hollow structure, and described insulating barrier is arranged between described anode and described negative electrode and by described anode and described cathode insulation, further, described hollow structure is through with described hollow pipe；
Flame monitor, described flame monitor is arranged on second end relative with described first end of described hollow pipe, for monitoring flame situation when described burner igniting device works by the described hollow structure of described hollow pipe with described anode；
Fuel-supply pipe, described fuel-supply pipe is set in described hollow pipe and described cathode external and spaced apart at least in part with described hollow pipe, to form fuel circulation passage between described hollow pipe and described fuel-supply pipe, between one end of the close described high-energy igniter of described fuel-supply pipe and described hollow pipe, it is provided with the fuel outlet connected with described fuel circulation passage；
Fuel inlet, described fuel inlet connects with described fuel-supply pipe, for providing fuel to described fuel-supply pipe；
Combustion adjuvant conveying pipe, it is outside and spaced apart at least in part with described fuel-supply pipe that described combustion adjuvant conveying pipe box is located at described fuel-supply pipe, form combustion adjuvant circulation passage between pipe to carry at described fuel-supply pipe and described combustion adjuvant, between one end and the described fuel-supply pipe of the close described high-energy igniter of described combustion adjuvant conveying pipe, be provided with the combustion adjuvant outlet connected with described combustion adjuvant circulation passage；
Combustion adjuvant entrance, described combustion adjuvant entrance carries pipe to connect with described combustion adjuvant, for carrying pipe to provide combustion adjuvant to described combustion adjuvant；And
Cooling water conveying pipe, described cooling water conveying pipe box is located at the outside of described combustion adjuvant conveying pipe and two end-encloseds of described cooling water conveying pipe, and described cooling water conveying pipe includes the cooling current circulation passage that water inlet connects and the water return outlet connected with described cooling current circulation passage with described water inlet.
2. burner igniting device according to claim 1, it is characterised in that described hollow pipe includes the metal tube and the insulation tube that are threaded connection, and wherein said insulation tube and described anode are threaded connection.
3. burner igniting device according to claim 1, it is characterised in that described burner igniting device includes the inert gas entrance connected with described hollow pipe, and described inert gas entrance is arranged on the sidewall of described hollow pipe.
4. burner igniting device according to claim 1, it is characterized in that, described combustion adjuvant conveying pipe carries pipe along described longitudinal direction to inside contracting at described combustion adjuvant exit end relative to described cooling water, forms the surface of convergent with the end between described cooling water conveying pipe and described combustion adjuvant conveying pipe.
5. burner igniting device according to claim 4, it is characterized in that, described fuel-supply pipe carries pipe along described longitudinal direction to inside contracting in described fuel outlet one end relative to described combustion adjuvant, and/or, one end away from described hollow pipe of described high-energy igniter relative to described fuel-supply pipe along described longitudinal direction to inside contracting.
6. burner igniting device according to claim 1, it is characterized in that, described high-energy igniter farther includes the first spoiler, described first spoiler is connected between the negative electrode of described high-energy igniter and described fuel-supply pipe, wherein, the angle of the described longitudinal direction of described first spoiler and described hollow pipe is 0 ° or between 10 ° to 70 °.
7. burner point device according to claim 1, it is characterized in that, described burner igniting device includes the second spoiler, described second spoiler is connected between described fuel-supply pipe and described combustion adjuvant conveying pipe, wherein, the angle of the described longitudinal direction of described second spoiler and described hollow pipe is 0 ° or between 10 ° to 70 °.
8. burner igniting device according to claim 1, it is characterized in that, described burner igniting device includes for fixing described hollow pipe, described fuel-supply pipe carries the flange end seat of pipe with described combustion adjuvant, wherein, described flange end seat connects described fuel-supply pipe and the end away from described high-energy igniter of described combustion adjuvant conveying pipe, the described second end described flange end seat of traverse, the sidewall of described flange end seat is provided with the external circuit connection for being connected by described anode with external circuit, described fuel inlet is arranged on described flange end seat, described combustion adjuvant entrance is arranged on described flange end seat or on described combustion adjuvant conveying pipe.
9. a high-energy igniter, it is characterised in that described high-energy igniter includes:
Anode, the intermediate formation hollow structure of described anode, when described high-energy igniter works, described anode is connected with external power source, and described hollow structure is used for monitoring flame situation；
Negative electrode, described negative electrode is arranged on described anode external along the radial direction of described hollow structure；And
Insulating barrier, described insulating barrier is arranged between described anode and described negative electrode and by described anode and described cathode insulation.
10. high-energy igniter according to claim 9, it is characterized in that, described high-energy igniter farther includes the first spoiler, described first spoiler is arranged on the outside of the negative electrode of described high-energy igniter, wherein, the angle of the longitudinal direction of described first spoiler and described hollow structure is 0 ° or between 10 ° to 70 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN106439817A (en) * | 2016-11-23 | 2017-02-22 | 北京神雾环境能源科技集团股份有限公司 | Combustor |
| CN109083797A (en) * | 2018-10-26 | 2018-12-25 | 大连民族大学 | A kind of plasma igniter with outlet inclined hole and multianode structure |
| CN109185005A (en) * | 2018-10-26 | 2019-01-11 | 大连民族大学 | A kind of plasma igniter application method with fuel channel |
| CN109253019A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter application method with flaring grounding electrode export structure |
| CN109253029A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter with flaring grounding electrode export structure |
| CN109253017A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter working method with double inlet structures |
| CN109253030A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter with air inlet inclined hole and eccentric Double-positive-pole structure |
| CN109253023A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter with double air inlet multianode structures |
| CN109268188A (en) * | 2018-10-26 | 2019-01-25 | 大连民族大学 | A kind of plasma igniter control method with multianode structure |
| CN111895444A (en) * | 2020-07-14 | 2020-11-06 | 中国船舶重工集团公司第七一一研究所 | High-energy discharge ignition device of combustor |
| CN112594733A (en) * | 2020-12-11 | 2021-04-02 | 浙江大学 | Flame detector with improved cooling device |
| CN113358219A (en) * | 2021-05-28 | 2021-09-07 | 洛阳瑞昌环境工程有限公司 | Optical fire detection pilot burner, flame detection method and combustion system |
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| CN109253030A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter with air inlet inclined hole and eccentric Double-positive-pole structure |
| CN109185005A (en) * | 2018-10-26 | 2019-01-11 | 大连民族大学 | A kind of plasma igniter application method with fuel channel |
| CN109253019A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter application method with flaring grounding electrode export structure |
| CN109253029A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter with flaring grounding electrode export structure |
| CN109253017A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter working method with double inlet structures |
| CN109083797A (en) * | 2018-10-26 | 2018-12-25 | 大连民族大学 | A kind of plasma igniter with outlet inclined hole and multianode structure |
| CN109253023A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter with double air inlet multianode structures |
| CN109268188A (en) * | 2018-10-26 | 2019-01-25 | 大连民族大学 | A kind of plasma igniter control method with multianode structure |
| CN111895444A (en) * | 2020-07-14 | 2020-11-06 | 中国船舶重工集团公司第七一一研究所 | High-energy discharge ignition device of combustor |
| CN112594733A (en) * | 2020-12-11 | 2021-04-02 | 浙江大学 | Flame detector with improved cooling device |
| CN112594733B (en) * | 2020-12-11 | 2021-11-26 | 浙江大学 | Flame detector with improved cooling device |
| CN113358219A (en) * | 2021-05-28 | 2021-09-07 | 洛阳瑞昌环境工程有限公司 | Optical fire detection pilot burner, flame detection method and combustion system |
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