CN202561817U - Biomass semi-gasification boiler - Google Patents
Biomass semi-gasification boiler Download PDFInfo
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- CN202561817U CN202561817U CN2012202343214U CN201220234321U CN202561817U CN 202561817 U CN202561817 U CN 202561817U CN 2012202343214 U CN2012202343214 U CN 2012202343214U CN 201220234321 U CN201220234321 U CN 201220234321U CN 202561817 U CN202561817 U CN 202561817U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
A biomass semi-gasification boiler comprises a furnace body, wherein a combustion chamber is arranged at the upper part of the furnace body; a gasification chamber is arranged at the lower part of the furnace body and communicated with a honeycomb duct via the combustion chamber; a fan is communicated with a primary air channel and a primary air channel, the primary air channel is communicated with a main air hole located at the bottom part or the lower part of the gasification chamber; the secondary air channel is communicated with a secondary air hole of the gasification chamber located at the top part or the upper part of the gasification chamber; the secondary air channel is also communicated with a hybrid air hole located on the side wall of the honeycomb duct. According to the utility model, the honeycomb duct is arranged between the gasification chamber and the combustion chamber, and the secondary hole and a hybrid air hole are utilized, different flow direction distribution ratio in ignition and combustion phases of the air flow in the secondary air channel is automatically achieved, so that the gasification furnace has a characteristic of quick ignition, most generated combustible gas does not blaze in the gasification chamber in advance due to oxygen shortage, but the combustible gas is concentrated at the bottom of kitchenware, heat energy intensively radiates, the kitchenware has high heat absorption and utilization ratio, and is good in energy saving effect.
Description
Technical field
The present invention relates to solid-fuelled domestic burners such as adopting bavin, coal, be specifically related to a kind of biomass half-gasification oven.
Background technology
In the known technology; The tar that produces in the biomass gasifying furnace course of work gathers easily and stops up appendix and burner, and for the technical solution problem, the technical scheme that has adopts the cancellation appendix; The combustion chamber is set above vaporizer, and the combustible gas that vaporizer is seen off carries out the direct combustion processing.Like publication number is the patent documentation of CN101487597, discloses a kind of biomass half-gasification oven, comprises panel fire surrounding hood and interior stove; Stove top is provided with burner in said; The zone that said burner surrounds is the combustion chamber, and said panel fire surrounding hood is located at interior stove top and is covered at the burner periphery, and said interior stove overcoat is provided with the secondary fan housing; The inner casing of stove and secondary fan housing surround the secondary air channel of annular in said; The inner casing of said burner, panel fire surrounding hood and interior stove surrounds the secondary air chamber of annular, and the secondary air channel lower end is provided with the secondary wind import with exterior, and the secondary air channel upper end is provided with the secondary wind outlet that communicates with secondary air chamber; Said burner upper edge hoop evenly is provided with the secondary air hole of a plurality of connection secondary air chambers and combustion chamber, and this biomass half-gasification oven has the secondary air combustion-supporting effect.But this technical scheme remains the deficiency aspect three, the one, and difficulty on fire, burning is slow, and firepower is less than normal; The 2nd, it is excessive that the oxygen supply of vaporizer is prone to, and causes combustible gas burning in advance in the system air chamber, and the flame location of generation is low, and flame envelope can't arrive the cooker bottom, and heat utilization ratio is low; The 3rd, the flame that the combustible gas burning produces is wide, and firepower disperses, and is unfavorable for that cooker absorbs heat.
In order to solve biomass fuel slow technical problem on fire in stove, generally all adopts the air feed that increases vaporizer, the oxygen of raising vaporizer supply with carry out combustion-supporting, to shorten process on fire; And the technical problem that the solution combustible gas burns in advance then need reduce the oxygen of vaporizer upper space to supply with at combustion phases, and the combustible gas major part of generation can not burnt in vaporizer because of few oxygen in advance.Resolve gasification furnace in the contradiction demand of oxygen being supplied with two stages of burning on fire, be significant for the service behaviour that improves gasification furnace.
Summary of the invention
The present invention provides a kind of biomass half-gasification oven, can let the interior biomass fuel of stove on fire fast, and it is prosperous to burn; Can let the combustible gas major part that produces not burn in advance again at vaporizer because of few oxygen; But gather cooker bottom concentrated combustion, and being beneficial to cooker and absorbing, heat utilization ratio is high.
The technical scheme that the present invention adopts is: a kind of biomass half-gasification oven, comprise body of heater, and upper of furnace body is provided with the combustion chamber, and the body of heater bottom is provided with vaporizer, and vaporizer is connected through mozzle with the combustion chamber; Blower fan is communicated with main air duct, inferior air channel; Main air duct is communicated with vaporizer main air hole, and the main air hole is positioned at the bottom or the bottom of vaporizer, and inferior air channel is communicated with the inferior wind hole of vaporizer; Inferior wind hole is positioned at the top or the top of vaporizer, and inferior air channel also is communicated with the mixed wind hole that is positioned on the mozzle sidewall.
Blower fan work produces air stream; Portion of air stream is admitted to main air duct; Main air hole via vaporizer bottom or bottom gets into vaporizer, and along rising on the gap between the vaporizer endogenous substance fuel, for the burning of the biomass fuel in the vaporizer provides comburant oxygen; Another part air stream is admitted to time air channel, and is divided into two-way once more, and one the tunnel via the inferior wind hole entering vaporizer that is positioned at vaporizer top or top; For the biomass fuel combustion in the vaporizer provides comburant oxygen; Another road gets into mozzle via the mixed wind hole on the mozzle sidewall, and is mixed with the combustible gas in the mozzle of flowing through, and improves the oxygen content in the combustible gas; Make combustible gas as far as possible fully burning in the combustion chamber, produce strong firepower from the ejection of mozzle upper end.
In the stage on fire, both through main air duct, main air hole to the air stream that vaporizer bottom or bottom provide, to vaporizer top or top air stream is provided through inferior air channel, inferior wind hole again; The technique effect that produces has: can make the oxygen in the whole vaporizer abundant on the one hand; Especially the upper and lower surface of combustion zone all has sufficient oxygen to supply with, and combustion-supporting effect is good, and it is prosperous that the burning of point of origin becomes rapidly; The combustion zone diffusion is fast, and process on fire is short; On the other hand, when through inferior air channel, inferior wind hole when vaporizer top or top provide air stream, can improve the air pressure of vaporizer upper space; Thereby slow down the air velocity of the combustion zone of flowing through from the bottom up, and then reduced the heat that air stream is taken away from the combustion zone, make that both thermal loss was few in the combustion zone that is in ignition phase; Temperature is high, and oxygen is abundant again, and it is prosperous to burn; The combustion zone can be expanded diffusion rapidly, realizes on fire fast.
At combustion phases, vaporizer endogenous substance fuel combustion meeting produces a large amount of combustible gases, and the air pressure of vaporizer upper space can further improve, and flows through by inferior wind hole entering vaporizer thereby hinder air; A large amount of on the other hand combustible gases flow into the combustion chamber through mozzle; The inner air velocity of mozzle of flowing through is obviously accelerated, and the high gas flow of mozzle inside can produce negative pressure suction effect to the air in the inferior air channel through mixing the wind hole, so significantly increase via the air capacity of mixing in the wind hole entering mozzle; The air capacity that gets into vaporizer via inferior wind hole significantly reduces; Thereby reduced the oxygen content in the vaporizer significantly, made the interior biomass fuel of vaporizer be in the smoldering state of low oxygen, the combustible gas of generation can not burn in vaporizer because of the anoxic major part in advance; And can be after the air stream of flowing through mozzle and sending into mixed wind hole is mixed; Fully burning again when on mozzle, spraying into the combustion chamber, the flame envelope that burning produces can be concentrated the cooker bottom above the through body of heater, and heat is concentrated and is discharged; Cooker is easy to absorb, and heat utilization ratio is high.
Above-mentioned mozzle cross-sectional area is the 2%-30% of vaporizer cross-sectional area.Ratio between mozzle cross section and the vaporizer cross section; Understand the air velocity in the mozzle of flowing through in the time of influencing work; And then the air flow point in the influence time air channel do not flow through time wind hole, mix the allocation proportion in wind hole; Ratio between choose reasonable mozzle cross section and the vaporizer cross section is interval, both can let the interior biomass fuel gasifying speed of vaporizer fast, and the combustible gas of generation is many; Can let the vaporizer upper space remain on few oxygen condition again, the combustible gas of generation is most of because of the not burning in advance of few oxygen.Further improve and be that the mozzle cross-sectional area is the 3%-15% of vaporizer cross-sectional area, then can obtain better aerogenesis and combustion efficiency.
Above-mentioned mozzle upper end is provided with gathers the combustion mouth, gathers the combustion mouth and is both ends open and up-small and down-big ducted body up and down.Gather the combustion mouth in the setting of mozzle upper end, on the one hand, the combustible gas that flows out from the mozzle upper end is further concentrated to gathering combustion mouth open upper end, and fired mouth open upper end ejection burning from gathering, flame is more concentrated, and the heat of generation is more conducive to the cooker bottom and absorbs; On the other hand, from the combustible gas that gathers the upper end ejection of combustion mouth eddy flow can take place, make that the burning of combustible gas is more abundant, the flame envelope temperature is higher, and the heat of release is more, and the firepower of generation is bigger.
Above-mentioned blower fan is communicated with main air duct and time air channel via adjusting valve.Through between blower fan and main air duct, inferior air channel, adjusting valve being set, through adjusting valve the air quantity in main air duct, inferior air channel is regulated, thereby regulated the combusting firepower size.
Above-mentioned vaporizer is provided with and is communicated with outside charge door.Can under the situation of interrupt cooking not, add biomass fuel to vaporizer, improve gasification furnace continuous operation ability through charge door.
Above-mentioned combustion chamber is communicated with waste heat chamber, the indoor reservoir that is provided with of waste heat.The tail gas that combustion chambers burn is produced can enter the waste heat chamber, and using waste heat from tail gas can heat the water in the reservoir, produces the domestic hot-water, and using waste heat from tail gas obtains utilizing.
The present invention is through being provided with mozzle between vaporizer and combustion chamber, and utilizes time wind hole and mixed wind hole, the air stream of realizing time air channel automatically in the various flows of stage on fire and combustion phases to distribution ratio; Make gasification furnace both possess fast characteristic on fire; Let the combustible gas major part that produces not burn in advance at vaporizer because of few oxygen again, but gather cooker bottom concentrated combustion, heat is concentrated and is discharged; The cooker absorption rate is high, good energy-conserving effect.
Description of drawings
Fig. 1 is the structural representation of first kind of embodiment of the present invention.
Fig. 2 is the structural representation of second kind of embodiment of the present invention.
Fig. 3 is a work sketch map embodiment illustrated in fig. 2.
Fig. 4 is the structural representation of the third embodiment of the present invention.
Fig. 5 is the structural representation of the 4th kind of embodiment of the present invention.
The specific embodiment
Below, in conjunction with accompanying drawing embodiment of the present invention is described further.
Fig. 1 shows the embodiment of first kind of biomass half-gasification oven, comprises body of heater 1, and body of heater 1 top is provided with combustion chamber 11, and body of heater 1 bottom is provided with vaporizer 12, and vaporizer 12 is connected through mozzle 13 with combustion chamber 11; Blower fan 2 is communicated with main air duct 21, inferior air channel 22, and main air duct 21 is communicated with vaporizer 12 main air holes 121, and main air hole 121 is positioned at the bottom of vaporizer 12; Inferior air channel 22 is communicated with the inferior wind hole 122 of vaporizer 12, and inferior wind hole 122 is positioned at the top of vaporizer 12; Inferior air channel 22 also is communicated with the mixed wind hole 131 that is positioned on mozzle 13 sidewalls.
Fig. 2 shows the embodiment of second kind of biomass half-gasification oven, comprises body of heater 1, and body of heater 1 top is provided with combustion chamber 11, and body of heater 1 bottom is provided with vaporizer 12, and vaporizer 12 is connected through mozzle 13 with combustion chamber 11; Blower fan 2 is communicated with main air duct 21, inferior air channel 22, and main air duct 21 is communicated with vaporizer 12 main air holes 121, and main air hole 121 is positioned at the bottom of vaporizer 12, and it is a plurality of evenly to distribute ringwise, helps air stream and gets into vaporizer 12 more equably, improves combustion-supporting effect; Inferior air channel 22 is communicated with the inferior wind hole 122 of vaporizer 12, and inferior wind hole 122 is positioned at the top of vaporizer 12, and it is a plurality of evenly to distribute ringwise, helps air stream and more evenly gets into vaporizer 12, improves combustion-supporting effect; Inferior air channel 22 also is communicated with the mixed wind hole 131 that is positioned on mozzle 13 sidewalls; Blower fan 2 is communicated with adjusting valve 3, and adjusting valve 3 is communicated with main air duct 21 and time air channel 22; Mozzle 43 upper ends are provided with gathers combustion mouth 5, gathers combustion mouth 5 and is both ends open and up-small and down-big ducted body up and down.
Fig. 3 shows work sketch map embodiment illustrated in fig. 2; The air that blower fan 2 produces is flowed through after adjusting valve 3 regulates and distributes; Portion of air flows into main air duct 21, and sends in the vaporizer 12 from the main air hole 121 of vaporizer 12 bottoms, for vaporizer 12 provides the stream of air from the bottom up; Another part air stream is sent into time air channel 22; And be divided into two-way once more; One the tunnel via the inferior wind hole that is positioned at vaporizer 12 tops 122 entering vaporizers 12, and for the biomass fuel combustions in the vaporizer 12 provide comburant oxygen, another road gets in the mozzles 13 via the mixed wind hole on mozzle 13 sidewalls 131; Mixed with the combustible gas in the mozzle 13 of flowing through, improve the oxygen content in the combustible gas; The combustible gas that flows out from mozzle 13 upper ends gets into and gathers in the combustion mouth 5, and sprays burning from gathering the open upper end of firing mouth 5 to combustion chamber 11, and combustion flame is concentrated; Produce strong firepower; Its flame envelope is concentrated through cooker bottom, is easy to absorbed by cooker, and heat utilization ratio is high.
Fig. 4 shows the embodiment of the third biomass half-gasification oven, comprises body of heater 1, and body of heater 1 top is provided with combustion chamber 11, and body of heater 1 bottom is provided with vaporizer 12, and vaporizer 12 is connected through mozzle 13 with combustion chamber 11; Blower fan 2 is communicated with main air duct 21, inferior air channel 22, and main air duct 21 is communicated with vaporizer 12 main air holes 121, and main air hole 121 is positioned at the bottom of vaporizer 12, and it is a plurality of evenly to distribute ringwise, helps air stream and gets into vaporizer 12 more equably, improves combustion-supporting effect; Inferior air channel 22 is communicated with the inferior wind hole 122 of vaporizer 12, and inferior wind hole 122 is positioned at the top of vaporizer 12, and it is a plurality of evenly to distribute ringwise, helps air stream and gets into vaporizer 12 more equably, improves combustion-supporting effect; Inferior air channel 22 also is communicated with the mixed wind hole 131 that is positioned on mozzle 13 sidewalls; Blower fan 2 is communicated with adjusting valve 3, and adjusting valve 3 is communicated with main air duct 21 and time air channel 22; Mozzle 43 upper ends are provided with gathers combustion mouth 5, gathers combustion mouth 5 and is both ends open and up-small and down-big ducted body up and down.Vaporizer 12 is provided with and is communicated with outside charge door 6, is convenient in vaporizer 12, add fuel; The tail gas of combustion chamber 11 enters waste heat chamber 14, and reservoir 7 is set in the waste heat chamber 14, and reservoir 7 can utilize the waste heat of tail gas to produce hot water.
Fig. 5 shows the embodiment of the 4th kind of biomass half-gasification oven, comprises body of heater 1, and body of heater 1 top is provided with combustion chamber 11, and body of heater 1 bottom is provided with vaporizer 12, and vaporizer 12 is connected through mozzle 13 with combustion chamber 11; Blower fan 2 is communicated with main air duct 21, inferior air channel 22; Main air duct 21 is communicated with vaporizer 12 main air holes 121, and main air hole 121 is positioned at the bottom of vaporizer 12, and evenly distributes a plurality of ringwise along vaporizer 12 sidewalls; Help air stream and get into vaporizer 12 more equably, improve combustion-supporting effect; Inferior air channel 22 is communicated with the inferior wind hole 122 of vaporizer 12, and inferior wind hole 122 is positioned at the top of vaporizer 12, and it is a plurality of evenly to distribute ringwise along vaporizer 12 sidewalls, helps air stream and gets into vaporizer 12 more equably, improves combustion-supporting effect; Inferior air channel 22 also is communicated with the mixed wind hole 131 that is positioned on mozzle 13 sidewalls; Blower fan 2 is communicated with adjusting valve 3, and adjusting valve 3 is communicated with main air duct 21 and time air channel 22; Mozzle 43 upper ends are provided with gathers combustion mouth 5, gathers combustion mouth 5 and is both ends open and up-small and down-big ducted body up and down.
The embodiment of similar technical scheme shown in Figure 1 also comprises: the main air hole is positioned at the bottom of vaporizer, and evenly cloth is a plurality of ringwise, and inferior wind hole is positioned at the top of vaporizer, and evenly distributes a plurality of ringwise along the vaporizer sidewall.Perhaps, the main air hole is positioned at the bottom of vaporizer, and it is a plurality of evenly to distribute ringwise along the vaporizer sidewall, and inferior wind hole is positioned at the top of vaporizer, and evenly cloth is a plurality of ringwise.
Certainly, those skilled in the art are according to teachings provided by the invention, and in conjunction with known technology and technological general knowledge, the equivalent technical solutions of being made should be regarded as embodiments of the invention, belongs to the scope that claim of the present invention is protected.
Claims (7)
1. a biomass half-gasification oven comprises body of heater, and upper of furnace body is provided with the combustion chamber, and the body of heater bottom is provided with vaporizer, it is characterized in that vaporizer is connected through mozzle with the combustion chamber; Blower fan is communicated with main air duct, inferior air channel; Main air duct is communicated with vaporizer main air hole, and the main air hole is positioned at the bottom or the bottom of vaporizer, and inferior air channel is communicated with the inferior wind hole of vaporizer; Inferior wind hole is positioned at the top or the top of vaporizer, and inferior air channel also is communicated with the mixed wind hole that is positioned on the mozzle sidewall.
2. a kind of biomass half-gasification oven as claimed in claim 1 is characterized in that the mozzle cross-sectional area is the 2%-30% of vaporizer cross-sectional area.
3. a kind of biomass half-gasification oven as claimed in claim 2 is characterized in that the mozzle cross-sectional area is the 3%-15% of vaporizer cross-sectional area.
4. like each described a kind of biomass half-gasification oven of claim 1-3, it is characterized in that the mozzle upper end is provided with gathers the combustion mouth, gathers the combustion mouth and is both ends open and up-small and down-big ducted body up and down.
5. like each described a kind of biomass half-gasification oven of claim 1-3, it is characterized in that blower fan is communicated with main air duct, inferior air channel via adjusting valve.
6. a kind of biomass half-gasification oven as claimed in claim 4 is characterized in that blower fan is communicated with main air duct, inferior air channel via adjusting valve.
7. like each described a kind of biomass half-gasification oven of claim 1-3, it is characterized in that the combustion chamber is communicated with waste heat chamber, the indoor reservoir that is provided with of waste heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202343214U CN202561817U (en) | 2012-05-23 | 2012-05-23 | Biomass semi-gasification boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202343214U CN202561817U (en) | 2012-05-23 | 2012-05-23 | Biomass semi-gasification boiler |
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| Publication Number | Publication Date |
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| CN202561817U true CN202561817U (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012202343214U Expired - Fee Related CN202561817U (en) | 2012-05-23 | 2012-05-23 | Biomass semi-gasification boiler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123109A (en) * | 2013-02-05 | 2013-05-29 | 叶绍国 | Gasification combustor of solid fuel cooking range |
| CN103423775A (en) * | 2012-05-23 | 2013-12-04 | 湖南省盈峰光能机械有限公司 | Biomass semi-gasification furnace |
-
2012
- 2012-05-23 CN CN2012202343214U patent/CN202561817U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423775A (en) * | 2012-05-23 | 2013-12-04 | 湖南省盈峰光能机械有限公司 | Biomass semi-gasification furnace |
| CN103123109A (en) * | 2013-02-05 | 2013-05-29 | 叶绍国 | Gasification combustor of solid fuel cooking range |
| CN103123109B (en) * | 2013-02-05 | 2015-03-25 | 叶绍国 | Gasification combustor of solid fuel cooking range |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20130523 |