CN205919355U - A ignition burner and combustor for regenerative burners - Google Patents

A ignition burner and combustor for regenerative burners Download PDF

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Publication number
CN205919355U
CN205919355U CN201620771059.5U CN201620771059U CN205919355U CN 205919355 U CN205919355 U CN 205919355U CN 201620771059 U CN201620771059 U CN 201620771059U CN 205919355 U CN205919355 U CN 205919355U
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China
Prior art keywords
burner
porous
heat
igniter
storage type
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CN201620771059.5U
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Chinese (zh)
Inventor
郭科宏
王宁
王东方
宋敏洁
钟贵全
吴道洪
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Shenwu Technology Group Corp Co Ltd
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Beijing Shenwu Environmental and Energy Technology Co Ltd
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Abstract

The utility model provides an ignition burner and combustor for regenerative burners. Specifically, this ignition burner includes: ceramic shell, inject confounding, preheating zone, combustion area and seed region in advance in the ceramic shell, the gas pipe, the gas pipe is provided with the gas burner, and the gas burner stretch into to in advance in the confounding, the air hose, the air pipe box is established gas outside of tubes portion, and the air hose has the air outlet, the air outlet stretches into in advance in the confounding, a porous material, a porous material packs in the preheating zone, the 2nd porous material, the 2nd porous material packs in the combustion area, and some picker bar, the point picker bar is provided with the ignitor electrode, the ignitor electrode stretches into in the seed region. From this, can select appropriate porous material to constitute the basis the utility model discloses ignition burner to improve this ignition burner's combustion efficiency and result of use.

Description

Igniter burner for heat-storage type burner and burner
Technical field
This utility model is related to chemical industry energy field, in particular it relates to porous media igniter burner and burner.
Background technology
Multi-hole medium combustion technology is due to being capable of " flameless combustion ", Enhanced Radiation Reduced Blast conducts heat and realizes self-convection preheating The characteristics such as burning, cause the extensive concern of technical staff.Multi-hole medium combustion refers to that gaseous fuel and oxidant enter granule Or the porous media such as bead packed bed, ceramic honey comb, foamed ceramics, sieve tray region, and in the hole in this region or porous Dielectric surface is burnt.Compared with traditional combustion system, multi-hole medium combustion has the advantage that burn rate is high, fires Burn that intensity is big, uniformity of temperature profile, combustion zone is widened, combustion stability is good, pollutant emission is low and load regulation range Big etc..
However, the structure of the igniter burner and burner being currently based on porous media still has much room for improvement.
Utility model content
This utility model is intended at least solve one of technical problem in correlation technique to a certain extent.
This utility model is to be completed based on the following discovery of inventor:
It is currently based on igniter burner or the burner of porous media, there have that thermograde is excessive, flame is difficult to submergence to be many The problems such as hole media interior, cause porous media can not be utilized effectively during Actual combustion.Inventor is through deeply Research finds, this be due to be filled in porosity of porous medium igniter burner within select and ignition location arrange unreasonable Cause.Additionally, the position of ignitor, discharge frequency etc. also can cause to ignition effectiveness taking spark ignition device as a example Impact.
In view of this, of the present utility model in a first aspect, the utility model proposes a kind of be used for heat-storage type burner Igniter burner, according to embodiment of the present utility model, this igniter burner includes: ceramic shell, limits in described ceramic shell Go out pre-mix zone, preheating zone, combustion zone and seed region;Gas Pipe, described Gas Pipe is provided with gas nozzle, and described gas injection Mouth stretches in described pre-mix zone;Air hose, described air hose is set in outside described Gas Pipe, and described air hose has Air outlet slit, described air outlet slit stretches in described pre-mix zone;First porous material, described first porous material filling is described In preheating zone;Second porous material, described second porous material filling is in described combustion zone;And spark lever, described igniting Bar is provided with ignitor, and described ignitor stretches in described seed region.Thus, it is possible to select suitable porous material composition According to the igniter burner of this utility model embodiment, to improve efficiency of combustion and the using effect of this igniter burner.
According to embodiment of the present utility model, the igniter burner that this is used for heat-storage type burner further includes: cyclone, Described cyclone is arranged at described air outlet slit, and described cyclone is set in described Gas Pipe.Thus, it is possible to raising air With the mixability of combustion gas, thus improving the combustion efficiency of this burner.
According to embodiment of the present utility model, the unit volume hole count of described first porous material is more than described second porous The unit volume hole count of material.Thus, it is possible to played in pre-mix zone by the first more fine and close porous material prevent tempering Effect, thus strengthen the stability of this igniter burner.
According to embodiment of the present utility model, described first porous material has no less than 1000 in every square metre of volume Hole count.Thus, it is possible on the premise of ensureing that the flame that burning is gone is not tempered, make air and combustion gas be sufficiently mixed preheating, from And improve the efficiency of combustion of this igniter burner.
According to embodiment of the present utility model, described second porous material has 350~1000 in every square metre of volume Hole count.Thus, it is possible to go to provide more loose loose structure to fill for burning, thus strengthening the heat storage capacity in this region, And promote the dispersion effect of gas, and then improve the efficiency of combustion of this igniter burner.
According to embodiment of the present utility model, described spark lever has two ignitors, described two ignitor phases To arranging and constituting predetermined angle, optionally, described predetermined angle is 45~80 degree.Thus, it is possible to carry for this igniter burner Height has the ignitor of suitably predetermined angle, and then can improve ignition effectiveness, thus improving the burning effect of this igniter burner Rate.
According to embodiment of the present utility model, the distance between described two ignitors are 15~35 millimeters, described two The distance between individual ignitor tip is 2.5~4.5 millimeters.Thus, it is possible to more efficiently realize the igniting of ignitor Function, and then improve the efficiency of combustion of this igniter burner.
According to embodiment of the present utility model, this igniter burner has further: IGNITION CONTROL case, described IGNITION CONTROL case It is connected with described spark lever, so that detection flame.Thus, it is possible to more accurately control the flame of igniter burner, and then improve The stability of this igniter burner and using effect.
According to embodiment of the present utility model, the flow of this igniter burner is not less than 0.1 × 104Kcal/h, and, this burning The combustion power range of accommodation of mouth is 1:50.Thus, it is possible in the interior power adjusting this burner in a big way, and then improve this point Burn efficiency of combustion and the using effect of mouth.
In second aspect of the present utility model, the utility model proposes a kind of burner.According to reality of the present utility model Apply example, this burner includes foregoing igniter burner.Thus, it is possible to be carried for this burner by previously described igniter burner For the burner of efficient stable, and then the combustion efficiency of this burner can be improved.
According to embodiment of the present utility model, described burner is heat-storage type burner.Thus, it is possible to improve further should The combustion efficiency of burner.
According to embodiment of the present utility model, described heat-storage type burner includes: body, described limits burning in vivo Space;Previously described igniter burner, described igniter burner is arranged on the body, and optionally, described igniter burner is used for High-temperature flue gas are provided in described combustion space.Thus, it is possible to provide stable high-temperature flue gas for this burner, and then can carry The combustion efficiency of this burner high.
Brief description
Fig. 1 shows that the structure of the igniter burner for heat-storage type burner according to one embodiment of this utility model is shown It is intended to;
Fig. 2 shows the structure according to another embodiment of this utility model for the igniter burner of heat-storage type burner Schematic diagram;
Fig. 3 shows the part according to another embodiment of this utility model for the igniter burner of heat-storage type burner Structural representation;
Fig. 4 shows the part according to another embodiment of this utility model for the igniter burner of heat-storage type burner Structural representation;And
Fig. 5 shows the structural representation of the burner according to one embodiment of this utility model.
Reference:
100: ceramic shell
110: pre-mix zone
120: preheating zone
130: combustion zone
140: seed region
200: Gas Pipe
210: gas nozzle
300: air hose
400: spark lever
410: ignitor
420: ignitor
500: cyclone
20: the first porous materials
30: the second porous materials
900: igniter burner
1000: burner
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of described embodiment is shown in the drawings.Below by The embodiment being described with reference to the drawings is exemplary it is intended to be used for explaining this utility model, and it is not intended that new to this practicality The restriction of type.
In this utility model, unless otherwise clearly defined and limited, term " being connected ", " connection ", " connection " etc. should Broadly understood.For example, it may be being joined directly together it is also possible to be indirectly connected to by intermediary or part, interface and passage. Those skilled in the art can understand concrete meaning in this utility model for the above-mentioned term as the case may be, as long as meeting root According to the annexation between all parts of the device of this utility model embodiment and biomass or pyrolysis gas in its line of flow Upstream-downstream relationship on road.Additionally, term " first " used herein, " second " are only used for describing purpose, and can not It is interpreted as indicating or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " the One ", the feature of " second " etc. can be expressed or implicitly include one or more this feature.Retouch of the present utility model In stating, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
Of the present utility model in a first aspect, the utility model proposes a kind of point for heat-storage type burner is burnt Mouth.According to embodiment of the present utility model, with reference to Fig. 1, this igniter burner includes: ceramic shell 100, and ceramic shell 100 Inside limit pre-mix zone 110, preheating zone 120, combustion zone 130 and seed region 140;Gas Pipe 200;Air hose 300;First porous Material 20;Second porous material 30 and spark lever 400, wherein, spark lever 400 is provided with ignitor 410 and ignition power Pole 420, and above-mentioned ignitor extend in seed region 140.Thus, suitable in this igniter burner using above-mentioned porous material When position is filled with, such that it is able to improve efficiency of combustion and the using effect of this igniter burner.
Understand for convenience, below to according to this utility model embodiment for the igniter burner of heat-storage type burner All parts are described in detail.
According to embodiment of the present utility model, with reference to Fig. 1, in the igniter burner that this is used for heat-storage type burner, pottery Pre-mix zone 110, preheating zone 120, combustion zone 130 and seed region 140 is limited in housing 100.Specifically, in pre-mix zone 110 In, combustion air and combustion gas are pre-mixed fully, then go through the preheating zone 120 being connected with pre-mix zone 110 and are preheated. Hereafter, enter combustion zone 130 through the combustion air of preheating and the mixed gas of combustion gas to be burnt, and, this is burned Journey is to pass through electric discharge by the ignitor extending in seed region 140 to complete to light a fire.Thus, this is used for heat-storage type burner Igniter burner completes to light a fire using ignitor, and combustion gas is first passed through in advance and mixed with combustion air, preheats, and finally completes burning Process, and then the efficiency of combustion of this igniter burner can be improved.
According to embodiment of the present utility model, with reference to Fig. 1, Gas Pipe 200 termination is provided with gas nozzle 210, and fires Gas jets 210 stretch in the pre-mix zone 110 that ceramic shell 100 is limited.Thus, combustion gas is supplied by gas nozzle 210 To pre-mix zone 110.Meanwhile, air hose 300 is set in the outside of Gas Pipe 200, by combustion air by stretching to premix Air outlet slit in area 110 supplies to pre-mix zone 110, is sufficiently mixed in advance with combustion gas.Additionally, according to reality of the present utility model Apply example, with reference to Fig. 2, in order to improve the mixed effect of combustion gas and combustion air in pre-mix zone 110 further, this igniter burner is also Can have cyclone 500 further.Specifically, cyclone 500 is arranged at air outlet slit, for will be by cyclone 500 Combustion gas and combustion air mix homogeneously in pre-mix zone 110.Wherein, according to a specific embodiment of the present utility model, Cyclone 500 can also be set in Gas Pipe 200.Thus, it is possible in advance combustion air fully be carried out with combustion gas mixing again Burning, and then the efficiency of combustion of this igniter burner can be improved.
According to embodiment of the present utility model, in the preheating zone 120 of this igniter burner, it is filled with the first porous material 20.Through mixed zone 110 mix sufficient mixed gas enter carry out in the preheating zone 120 being filled with the first porous material 20 pre- Heat.Wherein, according to embodiment of the present utility model, the first porous material can be by ceramic honey comb, foamed ceramics, sieve tray, gold Belong to the porous materials such as stack of sheets, swelling of fiber structure to constitute.Specifically, the first porous material 20 can be by sic foam material Material is constituted, and has the hole count being no less than 1000 in every square metre of volume.Due to the first porous material have comparatively dense Structure, therefore can ensure combustion zone 130 in flame be not tempered in preheating zone 120 on the premise of, by conduction of heat Mode go 130 to obtain heat from burning, and the mixed gas entering preheating zone 120 are preheated.Thus, it is possible to improve pre- The pre-heat effect to above-mentioned mixed gas for the hot-zone 120, and then improve efficiency of combustion and the effect of this igniter burner.
According to embodiment of the present utility model, in combustion zone 130, it is filled with the second porous material 30.According to this practicality New embodiment, the mixed gas after the preheating of preheating zone 120 enter the combustion zone 130 being filled with the second porous material 30 In burnt.Specifically, according to embodiment of the present utility model, hole count in unit volume for second porous material 30 is less than The hole count that first porous material 20 has in unit volume, for example, according to an embodiment of the present utility model, the second porous Material 30 has 350~1000 hole count in every square metre of volume.Due to the second porous material 30 and the first porous material 20 Compare, there is more loose structure, the filling of the therefore second porous material 30 considerably increases the surface of solids of combustion zone 130 Long-pending, so that the heat storage capacity of combustion zone 130 is also significantly improved.Further, since mixed gas are in the second porous material 30 internal combustion During burning, the second porous material 30 provides sufficient hole for mixed gas so that mixed gas produce whirlpool, shunting and remittance With thus producing violent disturbance, enhance the dispersion effect of mixed gas, and then enhance mixed gas in combustion zone 130 Heat and mass effect during burning, so that the temperature in combustion zone 130 is uniformly distributed.Meanwhile, this mixed gas is in combustion zone Burning in 130 is the disperses combustion of the flames of anger, and then can prevent the nitrogen oxides in effluent gas after mixture burning Generate, and then reached the purpose of environmental protection, and then improve efficiency of combustion and the effect of this igniter burner.
Additionally, according to embodiment of the present utility model, with reference to Fig. 3, spark lever 400 has two ignition power being oppositely arranged Pole, i.e. ignitor 410 and ignitor 420.Specifically, ignitor 410 is cation termination, and ignitor 420 is Anion termination, and spark lever 400 has ignition switch.When being passed through combustion gas and the mixing of combustion air in this igniter burner After gas, so that ignitor 410 and ignitor 420 is discharged by ignition switch, ignited above-mentioned gaseous mixture by electric spark Body.Wherein, according to embodiment of the present utility model, between ignitor 410 and ignitor 420, constitute predetermined angle α, folder The angle of angle α can be between 45 degree to 80 degree.Inventor finds through many experiments, by ignitor 410 and ignition power Angle between pole 420 sets within the above range, is capable of significantly more efficient ignition results, ignition success rate is higher.By This, the angle α between ignitor 410 and ignitor 420 is controlled within the above range, it is possible to increase this igniter burner Ignition success rate, and then improve the using effect of this igniter burner.
Additionally, according to embodiment of the present utility model, with reference to Fig. 4, between ignitor 410 and ignitor 420 Apart from h1Can be 15~35 millimeters, the distance between ignitor 410 and ignitor 420 tip h2Can for 2.5~ 4.5 millimeter.Inventor finds through many experiments, when the distance between ignitor 410 and ignitor 420 are more than above-mentioned During scope, because the distance between cation termination and anion termination are excessive, ignition success rate is led to reduce it is impossible to ensure Mixed gas containing combustion gas are successfully ignited by electric spark;When the distance between ignitor 410 and ignitor 420 are less than During above range, because hypotelorism easily causes short circuit between ignitor, and then reduce ignition success rate.Thus, pass through The distance between ignitor 410 and ignitor 420 are arranged within the above range, it is possible to increase the point of spark lever 400 Fiery success rate, and then improve the using effect of this igniter burner.
According to embodiment of the present utility model, the igniter burner that this is used for heat-storage type burner has IGNITION CONTROL further Case.Specifically, this IGNITION CONTROL case is connected with spark lever 400, can be by produced ion current when monitoring flame combustion To realize fiery checking functions, and then can ensure that the safe operation of this igniter burner, thus improving the using effect of this igniter burner.
According to embodiment of the present utility model, the igniter burner that this is used for heat-storage type burner has minimum 0.1 × 104The flow of kcal/h, and, the combustion power of described igniter burner is 1.2-120kw, the power adjustments of single igniter burner Scope is 1:50.Thus, it is possible to provide the igniter burner with low discharge and stable burning for heat-storage type burner.And, should The power regulating range of igniter burner is 20 times of common igniter burner, and then goes for multiple combustion mediums, thus entering One step improves range and the using effect of this burner.
In second aspect of the present utility model, the utility model proposes a kind of burner.According to reality of the present utility model Apply example, with reference to Fig. 5, this burner includes: body 1000 and igniter burner 900.Specifically, this burner can be heat accumulating type Burner, igniter burner 900 is the previously described igniter burner according to any one embodiment of this utility model.According to this reality With a new embodiment, in body 1000, limit combustion space, igniter burner 900 is arranged on body 1000, and to High-temperature flue gas are provided in above-mentioned combustion space.Because this igniter burner 900 is previously described igniter burner, therefore previously mentioned The feature with regard to the igniter burner for heat-storage type burner and advantage be equally applicable to this igniter burner 900.This area Technical staff is it is understood that term used in this utility model " high-temperature flue gas " refers to through igniter burner burn processing The flue gas with uniform temperature that combustion gas generates, the temperature of this flue gas is high compared with the temperature of air under room temperature, but actual temp scope It is not particularly limited.Thus, it is possible to provided for this burner that by igniter burner 900 there are low discharge and stable high-temperature flue gas, Thus improving the using effect of this burner.
In description of the present utility model it is to be understood that term " " center ", " longitudinal ", " horizontal ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable The orientation of instruction such as hour hands ", " counterclockwise ", " axial ", " radially ", " circumferential " or position relationship are based on orientation shown in the drawings Or position relationship, be for only for ease of description this utility model and simplify description, rather than instruction or hint indication device or Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model System.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two Individual, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " Gu Fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral;Can be It is mechanically connected or electrically connect or can communicate each other;Can be to be joined directly together it is also possible to pass through the indirect phase of intermediary Even, can be the connection of two element internals or the interaction relationship of two elements, limit unless otherwise clear and definite.For this For the those of ordinary skill in field, concrete meaning in this utility model for the above-mentioned term can be understood as the case may be.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible Any one or more embodiments or example combine in an appropriate manner.Additionally, in the case of not conflicting, this area Technical staff the feature of the different embodiments described in this specification or example and different embodiment or example can be entered Row combines and combines.
Although of the present utility model embodiment has been shown and described above it is to be understood that above-described embodiment is Exemplary it is impossible to be interpreted as that those of ordinary skill in the art is in scope of the present utility model to restriction of the present utility model Interior above-described embodiment can be changed, change, replacing and modification.

Claims (12)

1. a kind of igniter burner for heat-storage type burner is it is characterised in that include:
Ceramic shell, limits pre-mix zone, preheating zone, combustion zone and seed region in described ceramic shell;
Gas Pipe, described Gas Pipe is provided with gas nozzle, and described gas nozzle stretches in described pre-mix zone;
Air hose, described air hose is set in outside described Gas Pipe, and described air hose has air outlet slit, described air Outlet is stretched in described pre-mix zone;
First porous material, described first porous material filling is in described preheating zone;
Second porous material, described second porous material filling is in described combustion zone;And
Spark lever, described spark lever is provided with ignitor, and described ignitor stretches in described seed region.
2. the igniter burner for heat-storage type burner according to claim 1 is it is characterised in that further include: rotation Stream device, described cyclone is arranged at described air outlet slit, and described cyclone is set in described Gas Pipe.
3. the igniter burner for heat-storage type burner according to claim 1 is it is characterised in that described first porous material The unit volume hole count of material is more than the unit volume hole count of described second porous material.
4. the igniter burner for heat-storage type burner according to claim 3 is it is characterised in that described first porous material Material has the hole count no less than 1000 in every square metre of volume.
5. the igniter burner for heat-storage type burner according to claim 4 is it is characterised in that described second porous material Material has 350~1000 hole count in every square metre of volume.
6. the igniter burner for heat-storage type burner according to claim 1 is it is characterised in that described spark lever has Two ignitors, described two ignitors are oppositely arranged and constitute predetermined angle,
Optionally, described predetermined angle is 45~80 degree.
7. the igniter burner for heat-storage type burner according to claim 6 is it is characterised in that described two ignition power The distance between pole is 15~35 millimeters, and the distance between described two ignitor tips are 2.5~4.5 millimeters.
8. the igniter burner for heat-storage type burner according to claim 1 is it is characterised in that have further: point Fiery control chamber, described IGNITION CONTROL case is connected with described spark lever, so that detection flame.
9. the igniter burner for heat-storage type burner according to claim 1 is it is characterised in that described igniter burner Flow is not less than 0.1 × 104Kcal/h,
And, the combustion power range of accommodation of described igniter burner is 1:50.
10. a kind of burner is it is characterised in that the point for heat-storage type burner including described in claim 1~9 is burnt Mouth.
11. burners according to claim 10 are it is characterised in that described burner is heat-storage type burner.
12. burners according to claim 11 are it is characterised in that described heat-storage type burner includes:
Body, described limits combustion space in vivo;And
Igniter burner described in any one of claim 1~9, described igniter burner arranges on the body, optionally, described Igniter burner is used for providing high-temperature flue gas in described combustion space.
CN201620771059.5U 2016-07-20 2016-07-20 A ignition burner and combustor for regenerative burners Active CN205919355U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106051817A (en) * 2016-07-20 2016-10-26 北京神雾环境能源科技集团股份有限公司 Ignition nozzle for heat accumulation burner and burner
WO2018218526A1 (en) * 2017-05-31 2018-12-06 深圳智慧能源技术有限公司 Ignition nozzle device
WO2019104614A1 (en) * 2017-11-30 2019-06-06 乔治洛德方法研究和开发液化空气有限公司 Oxidant-multifuel burner capable of being used for solid fuel and gas fuel

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106051817A (en) * 2016-07-20 2016-10-26 北京神雾环境能源科技集团股份有限公司 Ignition nozzle for heat accumulation burner and burner
WO2018218526A1 (en) * 2017-05-31 2018-12-06 深圳智慧能源技术有限公司 Ignition nozzle device
WO2019104614A1 (en) * 2017-11-30 2019-06-06 乔治洛德方法研究和开发液化空气有限公司 Oxidant-multifuel burner capable of being used for solid fuel and gas fuel
CN111417822A (en) * 2017-11-30 2020-07-14 乔治洛德方法研究和开发液化空气有限公司 Oxidant-multi-fuel burner nozzle capable of being used for solid fuel and gas fuel
CN111417822B (en) * 2017-11-30 2021-06-29 乔治洛德方法研究和开发液化空气有限公司 Oxidant-multi-fuel burner nozzle capable of being used for solid fuel and gas fuel

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Address after: 102200 Beijing city Changping District Machi Town cow Road No. 18

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