CN203269884U - Detachable biomass gasification furnace ignition device - Google Patents
Detachable biomass gasification furnace ignition device Download PDFInfo
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- CN203269884U CN203269884U CN 201320247303 CN201320247303U CN203269884U CN 203269884 U CN203269884 U CN 203269884U CN 201320247303 CN201320247303 CN 201320247303 CN 201320247303 U CN201320247303 U CN 201320247303U CN 203269884 U CN203269884 U CN 203269884U
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- air distributor
- oil
- air
- gasification furnace
- ignition device
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Abstract
The utility model discloses a detachable biomass gasification furnace ignition device comprising a combustor interface arranged on the side wall of the bottom part of a gasification furnace, as well as an oil air distributor, wherein the oil air distributor is provided with an oil air distributor shell, and an air intake flange is arranged on the side wall of the oil air distributor shell; a connecting flange is arranged at the bottom part of the oil air distributor shell, the periphery of the connecting flange is connected with the combustor interface through a bolt assembly, an air conveying cylinder is arranged at the middle part of the connecting flange, one end of the air conveying cylinder is located in the inner cavity of the oil air distributor shell and is matched with a sealing baffle, the sealing baffle is hinged on the inner wall of the oil air distributor shell, and the other end of the sealing baffle is penetrated through the combustor interface to extend to the inner wall of the gasification furnace; a mounting flange is arranged at the top part of the oil air distributor shell, an oil combustor and a high-energy igniter are arranged on the mounting flange side by side, and the oil combustor and the high-energy igniter are penetrated through the air conveying cylinder to extend to the inner wall of the gasification furnace. The detachable biomass gasification furnace ignition device is simple in structure, easy to maintain, good in sealing performance, long in working service life and capable of effectively preventing the leakage of gasification gases and increasing the operation temperature of the gasification furnace.
Description
Technical field
The utility model relates to the vapourizing furnace portfire, refers to particularly a kind of dismountable ignition device for biomass gasification furnace.
Background technology
At present, ignition device for biomass gasification furnace adopts the structure that pilot burner, vaporized chemical nozzle and fuel oil atomizer are combined as a whole mostly, after pilot burner was completed ignition procedure, vaporized chemical nozzle and fuel oil atomizer continued to spray into vaporized chemical and fuel in burner hearth, to produce gasification gas.The defective of its existence is: pilot burner is in the high temperature combustion zone of biomass gasifying furnace all the time, easily coking and ablation, both shortened the work-ing life of pilot burner, need again frequently to change pilot burner, had a strong impact on the continuous and steady operation of biomass gasifying furnace, cause gasification efficiency to reduce, production cost increases.
In order to address the above problem, those skilled in the art come reference mark ignition combustor, vaporized chemical nozzle and fuel oil atomizer flexible under the condition of setting by the increase topworks that advances and retreat, but this causes again the structure of portfire to be tending towards complicated, and device fabrication and maintenance difficulties increase.Simultaneously, the configuration of portfire increases must make the encapsulation process difficulty that the junction is installed strengthen, sealing effectiveness phase strain differential.Like this, there is the potential safety hazard of gasification gas leakage all the time in biomass gasifying furnace, and present stage is mainly avoided the generation of leakage accident by the way that reduces temperature of combustion, but this has further sacrificed again the gasification result of vapourizing furnace.
Summary of the invention
The purpose of this utility model be exactly to provide a kind of simple in structure, easy for installation, safeguard easily, the dismountable ignition device for biomass gasification furnace of good airproof performance, long working life.
For achieving the above object, the dismountable ignition device for biomass gasification furnace that the utility model is designed, comprise the burner interface that is arranged on the sidewall of vapourizing furnace bottom, its special character is: also comprise oily air distributor, described oily air distributor has the air distributor housing, and described air distributor housing sidewall is provided with air inlet flange; Described air distributor housing bottom is provided with joint flange, described joint flange periphery is connected with the burner interface by bolt assembly, be provided with air funnel in the middle of described joint flange, one end of described air funnel is arranged in air distributor housing inner chamber and matches with sealing baffle, described sealing baffle is hinged on the air distributor inner walls, and the other end of described air funnel passes the burner interface and extends to gasification stove internal wall; Described air distributor case top is provided with mounting flange, has been arranged in juxtaposition oil-firing burner and high energy igniter on described mounting flange, and described oil-firing burner and high energy igniter pass air funnel and also extend to gasification stove internal wall.
Further, also be furnished with flame detector on described mounting flange.
Further, described air distributor housing inner chamber head is equipped with swirl vane.Like this, the eddy flow wind that produces both had been conducive to fuel oil and air mixed, can effectively regulate flame temperature and flame profile again.
Again further, the nozzle of described oil-firing burner is the pressurized air atomizing nozzle.Like this, fuel oil and pressurized air can form the tapered oily film of hollow when mixing afterwards by atomizing nozzle, and oily film is further torn under the effect of centrifugal force, fragmentation, and atomizing effect is good.
Principle of work of the present utility model is as follows: before throwing in biomass fuel to vapourizing furnace, first adopt high energy igniter to ignite and spray into fuel oil and air in vapourizing furnace from oil-firing burner and oily air distributor, make in burner hearth temperature be increased to design load (800 ℃ or more than) by combustion reactions; Then remove oil-firing burner and high energy igniter on oily air distributor, with handle, sealing baffle is adjusted to the position that seals with air funnel; Out-of-blast again, and with blind flange be tightly connected air inlet flange and mounting flange, can prevent the gasification gas leakage in vapourizing furnace; Throw in biomass fuel by designing program to vapourizing furnace at last, keep vapourizing furnace and normally move.
The utlity model has following advantage: one, oil-firing burner and high energy igniter are designed to the structure detachable with oily air distributor, stop the work of oil-firing burner in the time of can being warmed up to designated value in vapourizing furnace, oil-firing burner and high energy igniter are extracted out oily air distributor, only with simple and reliable blind flange sealing oil air distributor, can significantly improve the sealing property of vapourizing furnace.Its two, because sealing effectiveness is good, significantly reduced the potential safety hazard that vapourizing furnace leaks, thereby can improve the temperature of combustion of vapourizing furnace, keep vapourizing furnace and efficiently move.They are three years old, the parts such as oil-firing burner and high energy igniter in when work all not at the high temperature combustion zone of vapourizing furnace, effectively avoided the defective of the key position cokings such as oil-firing burner nozzle, also effectively overcome the problem of high energy igniter nose ablation, thereby can significantly extend each crucial maintenance and repair cycle, improve the working life of whole portfire.Its four, vapourizing furnace need not oil-firing burner and high energy igniter when normal operation, thereby need not to drive their flexible advance and retreat topworkies, the further like this system configuration of having simplified has been saved the device fabrication cost, use and maintenance is all very simple.
Description of drawings
Fig. 1 is a kind of dismountable ignition device for biomass gasification furnace structural representation in working order.
Fig. 2 is that portfire shown in Figure 1 is at the structural representation of the state of dismounting.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Dismountable ignition device for biomass gasification furnace shown in figure comprises the burner interface 7 that is arranged on vapourizing furnace 1 bottom sidewall, and oily air distributor 3 is installed on burner interface 7.The air distributor housing 3A that oil air distributor 3 has a ladder tubular, air distributor housing 3A inner chamber head is equipped with swirl vane, and its sidewall is provided with air inlet flange 3E.Extraneous pressurized air enters air inlet flange 3E by metallic hose, then enters air distributor housing 3A inner chamber formation eddy flow wind.Air distributor housing 3A bottom is provided with joint flange 3B, and joint flange 3B periphery is connected with 7 sealings of burner interface by bolt assembly.By welding process, air funnel 3C is installed in the middle of joint flange 3B, the end of air funnel 3C is arranged in air distributor housing 3A inner chamber, and this end can match with sealing baffle 4, and sealing baffle 4 is hinged on air distributor housing 3A inwall.The other end of air funnel 3C passes burner interface 7 and extends to vapourizing furnace 1 inwall, eddy flow wind can be sent in vapourizing furnace 1.Air distributor housing 3A top is provided with mounting flange 3D, on mounting flange 3D respectively packing cloth be equipped with oil-firing burner 2, high energy igniter 5 and flame detector 6, wherein oil-firing burner 2 and high energy igniter 5 pass air funnel 3C and extend to vapourizing furnace 1 inwall.The nozzle of oil-firing burner 2 adopts the pressurized air atomizing nozzle, can will spray in vapourizing furnace 1 after fuel oil and air mixed, and burning when high energy igniter 5 igniting.
During the assembling of above-mentioned portfire, air distributor housing 3A is connected with burner interface 7 flanges of vapourizing furnace 1, insertion oil-firing burner 2 and high energy igniter 5, and assemble flame detector 6 and get final product.Its working process is such: before throwing in biomass fuel to vapourizing furnace 1, spray into fuel oil by oil-firing burner 2 in vapourizing furnace 1, after fuel oil and pressurized air mix in mixing section, form the tapered oily film of hollow by the atomizing spray orifice, oily film is further torn under the effect of centrifugal force, fragmentation.Meanwhile, air inlet flange 3E by oily air distributor 3 sprays into pressurized air in vapourizing furnace 1, control excess air ratio α=1.01 ~ 1.03, thisly claim again low oxygen combustion near the burning under theoretical combustion air, air distribution can adopt classification to force the mode of air distribution, according to the mist of oil progressively air distribution of needed air quantity classification that progressively burns, fuel oil and wind are mixed, strongly, flame is violent, stability is high, and the flame kernel temperature is up to 1800 ~ 2000 ℃, and burn-off rate is up to 99.9%.Owing to adopting classification to force air distribution, combustion air can form complete air film protective layer on oil-firing burner 2 barrels before participating in burning; fully cooling to it, therefore although flame temperature is high, the temperature that oil-firing burner 2 barrels can the temperature remains within the normal range; can directly touch long service life with hand.When combustion reactions makes the interior temperature of vapourizing furnace 1 be increased to more than 800 ℃, unscrew the secure component on mounting flange 3D, extract oil-firing burner 2 and high energy igniter 5 out.Then with handle, sealing baffle 4 is adjusted to the position that seals with air funnel 3C from air inlet flange 3E; Stop again blower fan air-supply, remove the metallic hose that is connected with air inlet flange 3E, with blind flange be tightly connected air inlet flange 3E and mounting flange 3D, can prevent the gasification gas leakage that vapourizing furnace 1 is interior.Throw in biomass fuel by designing program to vapourizing furnace 1 at last, keep vapourizing furnace 1 and normally move.
Claims (5)
1. dismountable ignition device for biomass gasification furnace, comprise the burner interface (7) that is arranged on the sidewall of vapourizing furnace (1) bottom, it is characterized in that: also comprise oily air distributor (3), described oily air distributor (3) has air distributor housing (3A), and described air distributor housing (3A) sidewall is provided with air inlet flange (3E); Described air distributor housing (3A) bottom is provided with joint flange (3B), described joint flange (3B) periphery is connected with burner interface (7) by bolt assembly, be provided with air funnel (3C) in the middle of described joint flange (3B), one end of described air funnel (3C) is arranged in air distributor housing (3A) inner chamber and matches with sealing baffle (4), described sealing baffle (4) is hinged on air distributor housing (3A) inwall, and the other end of described air funnel (3C) passes burner interface (7) and extends to vapourizing furnace (1) inwall; Described air distributor housing (3A) top is provided with mounting flange (3D), be arranged in juxtaposition oil-firing burner (2) and high energy igniter (5) on described mounting flange (3D), described oil-firing burner (2) and high energy igniter (5) pass air funnel (3C) and also extend to vapourizing furnace (1) inwall.
2. dismountable ignition device for biomass gasification furnace according to claim 1, is characterized in that: also be furnished with flame detector (6) on described mounting flange (3D).
3. dismountable ignition device for biomass gasification furnace according to claim 1 and 2, it is characterized in that: described air distributor housing (3A) inner chamber head is equipped with swirl vane.
4. dismountable ignition device for biomass gasification furnace according to claim 1 and 2, it is characterized in that: the nozzle of described oil-firing burner (2) is the pressurized air atomizing nozzle.
5. dismountable ignition device for biomass gasification furnace according to claim 3, it is characterized in that: the nozzle of described oil-firing burner (2) is the pressurized air atomizing nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320247303 CN203269884U (en) | 2013-05-06 | 2013-05-06 | Detachable biomass gasification furnace ignition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320247303 CN203269884U (en) | 2013-05-06 | 2013-05-06 | Detachable biomass gasification furnace ignition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203269884U true CN203269884U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320247303 Expired - Fee Related CN203269884U (en) | 2013-05-06 | 2013-05-06 | Detachable biomass gasification furnace ignition device |
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| CN (1) | CN203269884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10041413B2 (en) | 2015-06-05 | 2018-08-07 | General Electric Company | Igniter assembly for a gas turbine engine |
-
2013
- 2013-05-06 CN CN 201320247303 patent/CN203269884U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10041413B2 (en) | 2015-06-05 | 2018-08-07 | General Electric Company | Igniter assembly for a gas turbine engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20210506 |
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| CF01 | Termination of patent right due to non-payment of annual fee |