CN103351889B - Deslagging method and device for biomass gasifier - Google Patents
Deslagging method and device for biomass gasifier Download PDFInfo
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- CN103351889B CN103351889B CN201310301772.4A CN201310301772A CN103351889B CN 103351889 B CN103351889 B CN 103351889B CN 201310301772 A CN201310301772 A CN 201310301772A CN 103351889 B CN103351889 B CN 103351889B
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- annular
- deslagging
- annular passage
- slag
- sieve plate
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- 239000002028 Biomass Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000002893 slag Substances 0.000 claims abstract description 45
- 238000007599 discharging Methods 0.000 claims description 25
- 210000000038 chest Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 abstract 2
- 239000011148 porous material Substances 0.000 abstract 2
- 239000000446 fuel Substances 0.000 description 7
- 238000012216 screening Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
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- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a deslagging method and a deslagging device for a biomass gasifier. The invention is characterized in that a deslagging device is arranged at the bottom of a hearth (1); the deslagging device consists of an annular sieve plate (14) and an annular air duct (18); under the vibration of the annular sieve plate (14), slag enters the annular air duct (18) through the annular sieve plate (14); a deslagging air inlet (8) is connected in one tangent direction of the annular air duct (18) and is used for blowing air into the annular air duct (18); a deslagging opening (4) is connected in another tangent direction of the annular air duct (18) and is used for deslagging outwards; after the slag enters the annular air duct (18), air is blown into the deslagging air inlet (8) and the slag is discharged from the deslagging opening (4) under the action of a blowing force. Through vibration of a vibrating sieve, small ash and the slag enter the annular air duct through big sieve pores and small sieve pores and are easily discharged from the deslagging opening, thus a complicated deslagging mechanical device is eliminated.
Description
Technical field
The invention belongs to solid-fuelled domestic burners or stove, relate to a kind of slag discharging device affecting cooking stove work because fuel thermal decomposition produces slag, particularly a kind of biomass gasifying furnace Slagoff method and device.
Background technology
The terms of settlement that current biomass gasifying furnace fuel thermal decomposition produces slag is that periodic cleaning is safeguarded, and carbon discharges out of the furnace together with slag, has an impact to energy-saving index.Therefore the device needing a kind of automatic deslagging not arrange carbon solves this problem.Slag discharging device as related in " a kind of roasting kiln of Full automatic feed and burner hearth fuel charging device " of the prior art CN201110072163.7 and " a kind of furnace head of biomass burning furnace " application number 201220030705.4 is mostly like this, for addressing this problem, the solution having Similar Problems is no lack of in prior art, as " biomass gasifying furnace closed slag-discharging device and biomass gasification reaction system " application number 201010528106.0 and " a kind of biomass gasifying furnace being convenient to scarfing cinder " application number 200820076540.8, the former utilizes the propulsive force of screw-blade stably to be discharged by the lime-ash fallen, lime-ash on the latter's fire grate is reliably conducted oneself with dignity along fire bars downslide and is fallen under fire grate voluntarily, and the lime-ash that can not certainly fall, by means of the whereabouts that pumps of moving grate, removes the gred effective.But due to the difference of its chamber structure and fuel-feed mode and combustion system, therefore, be difficult to be generalized to fuel-feed mode be from bottom to up, combustion system is in biomass gasifying furnace from top to bottom, as can be seen here, prior art is also difficult to the actual needs meeting people.
summary of the invention
The object of the invention is to provide a kind of biomass gasifying furnace Slagoff method and device, be mainly used in solving fuel-feed mode be from bottom to up, combustion system is gasifying biomass furnace slag discharge problem from top to bottom.
One of the object of the invention technical scheme:
A kind of biomass gasifying furnace Slagoff method, burner hearth bottom is provided with a slag discharging device, described slag discharging device is made up of annular sieve plate and annular passage, when annular sieve plate vibrates, slag enters in annular passage by annular sieve plate, a tangential direction of annular passage accesses a deslagging blast inlet for air blast in annular passage, another tangential direction of annular passage accesses slag-drip opening for outside deslagging, after slag enters annular passage, to the air blast of deslagging blast inlet, slag under the effect of air blast wind-force by the outside deslagging of slag-drip opening.
The object of the invention technical scheme two:
A kind of biomass gasifying furnace slag discharging device, it comprises annular sieve plate and annular passage, annular passage is connected with burner hearth bottom thorax wall, described annular passage is notch annular notches structure upwards, cross section is similar to " U " type groove, annular sieve plate is evenly provided with sieve aperture, and annular sieve plate covers and form annular hollow air channel above annular passage.
Preferred: a tangential direction of described annular passage to be connected with deslagging blast inlet, another tangential direction of annular passage is connected with slag-drip opening.
Further preferably: described annular sieve plate is connected with vibrator.
Described annular sieve plate is evenly provided with large sieve aperture and little sieve aperture, annular sieve plate is connected with vibrator by sieve handle.
Described deslagging blast inlet is provided with deslagging air intake valve, and slag-drip opening is provided with residual cake valve.
The object of the invention technical scheme three:
Adopt a biomass gasifying furnace for described slag discharging device, burner hearth bottom is provided with slag discharging device, and slag discharging device comprises annular sieve plate and annular passage, and the internal ring wall of described annular passage and burner hearth bottom feed pipe outer wall are with wall or be connected.
Preferred: described burner hearth bottom ring type air inlet device, slag discharging device is above ring type air inlet device, and ring type air inlet device comprises lower air duct and airduct, and the internal ring wall of described annular passage and lower air duct and burner hearth bottom feed pipe outer wall are with wall or be connected.
Be connected with airduct on the upside of described lower air duct, airduct stretches to burner hearth through large sieve aperture again through the hollow air channel of annular of annular passage.
Described lower air duct is provided with burning blast inlet, and burning blast inlet is provided with burning air intake valve.
The present invention is because burner hearth bottom has circular opening for feed, so vibratory screening apparatus is annular, ash fines end and slag can be allowed to enter annular passage by large sieve aperture and little sieve aperture by the vibration of vibratory screening apparatus, because annular passage is tangential direction air blast, slag moves in a circle in annular passage, produce centrifugal force, thus be easy to discharge from slag-drip opening, save complicated deslagging mechanism.In addition, large sieve aperture and little sieve diameter less, an ash discharge and slag do not arrange carbon, improve energy-saving effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the annular sieve plate plan structure schematic diagram in the present invention.
Fig. 3 is the annular passage plan structure schematic diagram in the present invention.
In figure: burner hearth 1, portfire 2, residual cake valve 3, slag-drip opening 4, opening for feed 5, burning air intake valve 6, burning blast inlet 7, deslagging blast inlet 8, deslagging air intake valve 9, sieve handle 10, vibrator 11, airduct 12, discharge port 13, annular sieve plate 14, large sieve aperture 15, little sieve aperture 16, gas outlet 17, annular passage 18, lower air duct 19.
Embodiment
The present invention specifically can be implemented by the technical scheme in summary of the invention, and by the following examples can the invention will be further described, but scope of the present invention is not limited to following embodiment.
Embodiment 1:
A kind of biomass gasifying furnace slag discharging device, it comprises annular sieve plate 14 and annular passage 18, annular passage 18 is connected with thorax wall bottom burner hearth 1, described annular passage 18 is notch annular notches structure upwards, annular sieve plate 14 is evenly provided with large sieve aperture 15 and little sieve aperture 16, annular sieve plate 14 covers and form annular hollow air channel above annular passage 18.A tangential direction of described annular passage 18 is connected with deslagging blast inlet 8, deslagging blast inlet 8 is provided with deslagging air intake valve 9, another tangential direction of annular passage 18 is connected with slag-drip opening 4, and slag-drip opening 4 is provided with residual cake valve 3, and two tie points differ 90 ° of-150 ° of angles.
Described annular sieve plate 14 is connected with vibrator 11 by sieve handle 10.
Adopt the biomass gasifying furnace of described slag discharging device, slag discharging device and ring type air inlet device is provided with bottom burner hearth 1, slag discharging device is above ring type air inlet device, slag discharging device comprises annular sieve plate 14 and annular passage 18, ring type air inlet device comprises lower air duct 19 and airduct 12, and the internal ring wall of described annular passage 18 and lower air duct 19 and burner hearth 1 bottom feed pipeline outer wall are with wall or be connected.
Be connected with airduct 12 on the upside of described lower air duct 19, airduct 12 stretches to burner hearth 1 through large sieve aperture 15 again through the hollow air channel of annular of annular passage 18.Space between large sieve aperture 15 and airduct 12 can deslagging.
Described lower air duct 19 is provided with burning blast inlet 7, and burning blast inlet 7 is provided with burning air intake valve 6.
The syndeton of Fig. 1 to Fig. 3 is:
Portfire 2 is connected with burner hearth 1, residual cake valve 3 is connected with slag-drip opening 4, slag-drip opening 4 is connected with annular passage 18, opening for feed 5 and discharge port 13 form the bottom that feed-pipe is arranged on burner hearth 1, burning air intake valve 6 is connected with burning blast inlet 7, deslagging air intake valve 9 is connected with deslagging blast inlet 8, burning blast inlet 7 is connected with lower air duct 19 and annular passage 18 respectively with deslagging blast inlet 8, sieve handle 10 two ends are connected with vibrator 11 and annular sieve plate 14 respectively, in annular sieve plate 14, annulus is flexibly connected with discharge port 13 cylindrical, airduct 12 is connected with lower air duct 19, lower air duct 19 and annular passage 18 are connected with burner hearth 1 bottom respectively, vibrator 11 is connected with burner hearth 1, gas outlet 17 is connected with burner hearth 1 top.
Working process
Fuel enters burner hearth 1 from opening for feed 5 and discharge port 13, and when fuel reaches setting height, burning blast inlet 7 is by burning air intake valve 6 and airduct 12 pairs of fuel air blast.Now, deslagging air intake valve 9 and slag-drip opening 4 are closed, portfire 2 pairs of fuel ignitions.When stove and accessory enters normal operating conditions, portfire 2 is closed.Inflammable gas exports from gas outlet 17.After burning terminates and closes fire, close burning air intake valve 6, Vibration on Start-up device 11, slag enters annular passage 18 by the little sieve aperture 16 on annular sieve plate 14 and large sieve aperture 15, deslagging blast inlet 8 inlet air direction is tangential direction input, therefore slag moves in a circle in annular passage 18, thus make slag produce centrifugal force, discharged by slag-drip opening 4.Vibrator 11 output terminal has an expansion link, do horizontal direction to-and-fro movement, when expansion link stretches out, drive annular vibration to sieve 14 inhours by sieve handle 10 to turn an angle, when expansion link shrinks, drive annular vibration to sieve 14 by sieve handle 10 and rotate clockwise certain angle, be flexibly connected with discharge port 13 cylindrical because annular vibration sieves 14 inner circles, thus making vibratory screening apparatus 14 do the reciprocal circumferential motion in horizontal plane direction, its Oscillation Amplitude is only limitted to the space between large sieve aperture 15 and airduct 12.In other embodiment, its vibration mode also has multiple as up-down vibration, the vibration of indefinite direction etc.Slag, due to the oscillating action of action of gravity and vibratory screening apparatus 14, enters annular passage 18 by large sieve aperture 15 and little sieve aperture 16.Vibrator 11 and all valves is closed when reaching setting-up time.
Claims (9)
1. a biomass gasifying furnace Slagoff method, it is characterized in that, burner hearth (1) bottom is provided with a slag discharging device, described slag discharging device is made up of annular sieve plate (14) and annular passage (18), when annular sieve plate (14) vibrates, slag enters in annular passage (18) by annular sieve plate (14), a tangential direction of annular passage (18) accesses a deslagging blast inlet (8) for air blast in annular passage (18), another tangential direction of annular passage (18) accesses slag-drip opening (4) for outside deslagging, after slag enters annular passage (18), to deslagging blast inlet (8) air blast, slag under the effect of air blast wind-force by slag-drip opening (4) outwards deslagging.
2. a biomass gasifying furnace slag discharging device, it comprises annular sieve plate (14) and annular passage (18), annular passage (18) is connected with burner hearth (1) bottom thorax wall, described annular passage (18) is notch annular notches structure upwards, (14) are evenly provided with sieve aperture to annular sieve plate, and annular sieve plate (14) covers and forms annular hollow air channel in the top of annular passage (18); It is characterized in that, a tangential direction of described annular passage (18) is connected with deslagging blast inlet (8), another tangential direction of annular passage (18) is connected with slag-drip opening (4).
3. a kind of biomass gasifying furnace slag discharging device according to claim 2, is characterized in that, described annular sieve plate (14) is connected with vibrator (11).
4. a kind of biomass gasifying furnace slag discharging device according to claim 2, it is characterized in that, described annular sieve plate (14) is evenly provided with large sieve aperture (15) and little sieve aperture (16), annular sieve plate (14) is connected with vibrator (11) by sieve handle (10).
5. a kind of biomass gasifying furnace slag discharging device according to claim 2, is characterized in that, described deslagging blast inlet (8) is provided with deslagging air intake valve (9), and slag-drip opening (4) is provided with residual cake valve (3).
6. one kind adopts the biomass gasifying furnace of biomass gasifying furnace slag discharging device as described in any one of claim 2-5, it is characterized in that, burner hearth (1) bottom is provided with slag discharging device, slag discharging device comprises annular sieve plate (14) and annular passage (18), and the internal ring wall of described annular passage (18) and burner hearth (1) bottom feed pipeline outer wall are with wall or be connected; Be provided with ring type air inlet device bottom described burner hearth 1, slag discharging device is above ring type air inlet device.
7. biomass gasifying furnace according to claim 6, is characterized in that, described ring type air inlet device comprises lower air duct (19) and airduct (12); The internal ring wall of annular passage (18) and lower air duct (19) and burner hearth 1 bottom feed pipeline outer wall are with wall or be connected.
8. biomass gasifying furnace according to claim 7, is characterized in that, described lower air duct (19) upside is connected with airduct (12), and airduct (12) stretches to burner hearth (1) through large sieve aperture (15) again through the hollow air channel of annular of annular passage (18).
9. biomass gasifying furnace according to claim 7, is characterized in that, described lower air duct (19) is provided with burning blast inlet (7), and burning blast inlet (7) is provided with burning air intake valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310301772.4A CN103351889B (en) | 2013-07-18 | 2013-07-18 | Deslagging method and device for biomass gasifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310301772.4A CN103351889B (en) | 2013-07-18 | 2013-07-18 | Deslagging method and device for biomass gasifier |
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| CN103351889A CN103351889A (en) | 2013-10-16 |
| CN103351889B true CN103351889B (en) | 2015-01-28 |
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| CN201310301772.4A Active CN103351889B (en) | 2013-07-18 | 2013-07-18 | Deslagging method and device for biomass gasifier |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105658772B (en) * | 2013-11-15 | 2018-04-03 | 三菱日立电力系统株式会社 | Slag discharging device and clinker discharge method |
| CN104482564B (en) * | 2014-12-28 | 2017-03-29 | 抚州孙氏兄弟实业有限公司 | A kind of biomass gasifying furnace for being conducive to uniform air intake and ash discharge slag |
| CN107418628B (en) * | 2014-12-28 | 2019-12-06 | 抚州孙氏兄弟实业有限公司 | annular air inlet biomass gasification furnace for feeding fuel from bottom to top |
| CN106765325A (en) * | 2015-11-25 | 2017-05-31 | 桃江县扬洋机电科技有限公司 | A kind of chafing dish cooking stove |
| CN107189818A (en) * | 2017-06-13 | 2017-09-22 | 广西益江环保科技股份有限公司 | A kind of telescopic pyrolytic gasification of novel environment friendly burner again |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006083293A (en) * | 2004-09-16 | 2006-03-30 | Fuji Electric Systems Co Ltd | Gasification apparatus of biomass fuel |
| CN202082954U (en) * | 2011-06-03 | 2011-12-21 | 周德广 | High-efficient biomass gasification furnace |
| CN103013569B (en) * | 2012-12-18 | 2014-06-18 | 孙吉章 | Gasifying method for biomass gasifier and hearth air intake device |
| CN203602567U (en) * | 2013-07-18 | 2014-05-21 | 孙吉章 | Biomass gasifier slagging device and biomass gasifier adopting same |
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Owner name: FUZHOU SUNSHI XIONGDI INDUSTRIAL CO.,LTD. Free format text: FORMER OWNER: SUN JIZHANG Effective date: 20150717 |
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Effective date of registration: 20150717 Address after: 344000 Jiangxi Province Economic Development Zone Fuzhou City Jinchao Avenue in the middle of Fuzhou Zhong Ling sun brothers Industrial Co. Ltd. Patentee after: Fuzhou Sunshi Xiongdi Industrial Co.,Ltd. Address before: 344000 Jiangxi city in Fuzhou Province Economic Development Zone Zhong Ling Jinchao Avenue in the middle Patentee before: Sun Jizhang |