CN102260531B - Spinning bed gasification furnace - Google Patents
Spinning bed gasification furnace Download PDFInfo
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- CN102260531B CN102260531B CN 201110158147 CN201110158147A CN102260531B CN 102260531 B CN102260531 B CN 102260531B CN 201110158147 CN201110158147 CN 201110158147 CN 201110158147 A CN201110158147 A CN 201110158147A CN 102260531 B CN102260531 B CN 102260531B
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Abstract
The invention relates to a spinning bed gasification furnace which comprises a gasification furnace, a feeding machine and a draught fan. A gasification chamber is a cavity enclosed by a water tank, a furnace ejecting plate and a gas supplementing cover; the furnace top plate and the edge of the top of the water tank are welded together; the gas supplementing cover is positioned on a gas supplementing mechanism; the bottom of the gas supplementing cover is provide with a support barrel which is integrally connected with the gas supplementing cover; the bottom of the support barrel is connected with an annular support barrel bottom plate; the lower part of the support barrel bottom plate is supported on a seat wheel through a wheel rail; a wheel gear is fixedly connected under the support barrel bottom plate; and a drive machine drives the support barrel and the gas supplementing cover to rotate by using the gas supplementing mechanism as a center through the wheel gear. The spinning bed gasification furnace adopts opened charging; the lower end of a charging area is provided with a rotating tapered gas supplementing tower; the tapered gas supplementing tower has great permeation volume; and the fuel is oxidized under the action of the draught fan, and the ash is directly discharged. The spinning bed gasification furnace achieves solid fuel gasification large scale.
Description
Technical field
The present invention relates to a kind of biomass, coal gasification device, relate in particular to the vapourizing furnace that thermal chemical reaction is carried out in a kind of fuel rotation.
Background technology
At the beginning of last century, the world developed country exploitation gasification technology that just begins one's study, the change solid fuel is geseous fuel, to fill up the vacancy of natural gas.In the last hundred years, vaporous form progressively develops, and fluidized-bed is stable, failure rate is low; The fixed bed fuel applications is extensive, the facility investment handiness is strong.At present, two kinds of vaporous form are by whole world widespread use more than.Yet these two kinds of vaporous form all have congenital unsurmountable weakness, and wherein: fluidized-bed is very harsh to granularity, the uniformity coefficient requirement of fuel, and vaporization rate is low, the combustion gas ash oontent is big; Fixed bed updraft type vapourizing furnace must seal and feed intake, and the happy formula of fixed bed and the sub-territory of downdraft GASIFIER GRATES BY METALLOGRAPHIC EXAMINATIONS are restricted and need frequent the replacing, and the aerogenesis length of side that fixed bed crossdraft and side-suction type gasification furnace require has also restricted it and developed to the maximization gasification installation.This shows that existing fixed bed, fluidized-bed gasification furnace can not satisfy the requirement of agriculture and forestry organic waste material, a large amount of gasifications of biomass garbage far away.
Summary of the invention
The purpose of this invention is to provide that a kind of solid fuel is scalable, granularity requires wide, big and stable the revolving bed gasification furnace of gasification production scale.
For achieving the above object, the technical solution used in the present invention is:
A kind of revolving bed gasification furnace, it comprises vapourizing furnace, feeder and induced draft fan composition, and the blanking end of feeder and the feed opening on the vapourizing furnace join, and induced draft fan communicates with the vapourizing furnace vaporizer by gas line; The vapourizing furnace main body comprises water tank, vaporizer, air supply mechanism, and the water tank of tubular constitutes the outer wall of vaporizer, and air supply mechanism is positioned at the bottom of vaporizer and communicates with vaporizer; It is characterized in that: the cavity of vaporizer for being surrounded by water tank, stove roof plate, tonifying Qi cover, stove roof plate and tank top edge joint weld are connected together, the tonifying Qi cover is positioned at the top of air supply mechanism, the support tube that is connected with its one is arranged at tonifying Qi cover bottom, the support tube bottom is connected with the support tube base plate of annular, the support tube floor below is bearing in by wheel track and sits on the wheel, and the support tube floor below also is fixedly connected with the gear teeth, driving machine by the gear teeth drive support tube, the tonifying Qi cover rotates centered by air supply mechanism; The extrapolation tube that tonifying Qi cover bottom connects and water tank inner core and drop-bottom constitute the grey chamber of appearance, have ash output hole at drop-bottom, and the ash hoist of ash output hole and auger type joins.
Above-mentioned revolving bed gasification furnace, it is characterized in that: the feed opening position on stove roof plate is connected with the taper blanking barrel of back taper, taper blanking barrel upper design has flue gas to reclaim cover, flue gas reclaims the cover top and vertically is connected with chimney, the chimney middle part is connected with defeated smoke pipe, be serially connected with smoke extractor on the defeated smoke pipe, defeated smoke pipe end communicates with the tonifying Qi tube by the flue gas input tube, and the tonifying Qi tube links to each other with gas blower by blowdown pipe; The blowdown pipe bottom is by the sealing of tonifying Qi tube water shoot, and tonifying Qi tube water shoot has also been designed in tonifying Qi tube bottom, and flue gas reclaims cover, chimney, defeated smoke pipe, smoke extractor, tonifying Qi tube, blowdown pipe, gas blower formation air supply mechanism; Tank top is connected on the flue gas input tube by the water tank vapour pipe, is connected with water tank inlet on the water tank urceolus.
Above-mentioned revolving bed gasification furnace, it is characterized in that: tonifying Qi is covered with counts tower structure, each of tower layer welds together, the lower floor of tower and connecting part, upper strata are designed to dentation, the bottom of tower is fixedlyed connected with annular plate, the design of annular plate middle part has through hole, the top of tonifying Qi tube to penetrate from through hole in the tower shape cavity of tonifying Qi cover.
Above-mentioned revolving bed gasification furnace is characterized in that: through hole edge, annular plate middle part is connected with the interpolation tube downwards; Liquid packing in interior liquid packing urceolus and tonifying Qi tube and the interior liquid packing base plate that is connected both constitute, liquid packing water inlet pipe, interior liquid packing vapour pipe in being connected with on the interior liquid packing, the interpolation tube is positioned at liquid packing; Be connected with outer liquid packing urceolus, outer liquid packing inner core on the drop-bottom, both constitute outer liquid packing, are connected with outer liquid packing water inlet pipe, outer liquid packing vapour pipe on the outer liquid packing, and the extrapolation tube is positioned at outer liquid packing.
Above-mentioned revolving bed gasification furnace is characterized in that: be fixedly connected with a plurality of shovels ash ploughs downwards in the outer rim of annular plate, shovel ash plough outside between liquid packing urceolus and the water tank inner core; Upper surface at each layer of tonifying Qi cover all is welded with the break hammer.
Above-mentioned revolving bed gasification furnace is characterized in that: support tube is bilayer structure, and it is made of support inner core, support urceolus, supports inner core, support urceolus, support tube base plate, annular plate formation closed cavity.
The present invention is directed to existing fixed bed, fluidized-bed and all can not satisfy the defective that a large amount of block biomass are carried out thermal chemical reaction continuously, originally revolving bed gasification furnace, adopt uncovered feeding intake, and in the lower end of material charging region rotary conic tonifying Qi tower is installed, the fuel that taper tonifying Qi tower load shape differs descends along the slope under the effect of revolving force, and taper tonifying Qi tower Air permenbility is big, under the effect of induced draft fan, the discharge of taking advantage of a situation of oxidized, lime-ash.Revolving bed gasification furnace has been brought up the solid fuel gasification maximization.In this device taper blanking barrel top can take closed or open, but vaporizer can also negative pressure work of malleation work.
Particularly:
1, revolving bed gasification furnace is uncovered feeds intake, the rotation blanking, and wide to the requirement of solid fuel particle uniformity coefficient, fuel band is scalable.
2, revolving bed gasification furnace taper tonifying Qi tower provides the thermal condition area big, is 1.5 times of the upper and lower sucking type gasifier of fixed bed, is limit, crossdraft 2 times, adapts to the gasification of a large amount of solid fuel scale.
3, revolving bed gasification furnace adopts large-scale conveyor to feed intake, and drives and drive taper tonifying Qi tower rotation cloth, and break hammer, shovel ash plough are followed the tracks of broken burnt, and shovel ash plough, ash discharge screw feeder be ash discharge successively, adapts to a large amount of solid fuel continuous gasifications.
4, the dynamic and static device of revolving bed gasification furnace is connected the sealing of employing liquid packing, and the gasification safety in operation is strong.
5, the steam natural that produces in the process of operation of revolving bed gasification furnace water tank, liquid packing enters the tonifying Qi tube and serves as the tonifying Qi medium, has reduced a nitrogen content in the combustion gas, has both improved the purity of combustion gas, has increased fuel gases calorific value again.
6, revolving bed gasification furnace in the dog-house top design cigarette, gas reclaim cover, the cigarette, the gas that carry certain temperature are sent to the tonifying Qi tube under the effect of exhaust blower, stopped environmental pollution.
Principle of work of the present invention is as follows:
The present invention adopts the negative pressure operation, solid fuel spiral from top to bottom enters, the tonifying Qi medium passes tonifying Qi tower backlash from bottom to top solid fuel is carried out oxidation, fixed carbon volatilizees layer by layer, combustion gas is extracted out by induced draft fan, lime-ash progressively glides along the slope under the effect of tonifying Qi tower rotating centrifugal, and slagging scorification is broken by the break hammering, and the shovel ash is ploughed successively deashing and sent into the ash discharge screw feeder.Furnace temperature constantly is converted to water tank, water seal water steam and replaces hypoxic air gasification medium.Revolving bed gasification furnace feeds intake, aerogenesis, ash discharge go round and begin again, continuously operation.
Using method of the present invention is as follows:
Be water tank, interior water seal, the outer water seal water filling absolute altitude to appointment, start driving machine and be dosed to half height of taper blanking barrel, open induced draft fan, light fuel and in time additional in the material-falling hopper, along with increasing of furnace temperature, water tank, interior water seal, outer water seal liquid water are converted into liquid steam, and saturation steam enters the tonifying Qi tube automatically and participates in gasification, in time gets rid of water of condensation.Open the ash discharge screw feeder, according to predefined frequency ash discharge.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the partial enlarged drawing of Fig. 1.
In the accompanying drawing: 1, ash hoist, 2, leg, 3, driving machine, 4, stiffening plate, 5, drop-bottom, 6, water tank inlet, 7, ash output hole, 8, strengthen girth sheets, 9, shovel ash plough, 10, shovel ash plough tube, 11, the water tank urceolus, 12, the water tank inner core, 13, outer liquid packing urceolus, 14, the extrapolation tube, 15, outer liquid packing inner core, 16, support urceolus, 17, support inner core, 18, interior liquid packing urceolus, 19, the interpolation tube, 20, the tonifying Qi tube, 21, stove roof plate, 22, the taper blanking barrel, 23, the break hammer, 24, feeder, 25, flue gas reclaims cover, 26, chimney, 27, induced draft fan, 28, gas line, 29, smoke extractor, 30, defeated smoke pipe, 31, the water tank vapour pipe, 32, the tonifying Qi cover, 33, annular plate, 34, outer liquid packing vapour pipe, 35, outer liquid packing water inlet pipe, 36, the support tube base plate, 37, the gear teeth, 38, wheel track, 39, sit wheel, 40, interior liquid packing base plate, 41, interior liquid packing vapour pipe, 42, interior liquid packing water inlet pipe, 43, the flue gas input tube, 44, blowdown pipe, 45, the tonifying Qi tube end plate, 46, tonifying Qi tube water shoot.
Embodiment
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of revolving bed gasification furnace, it comprises vapourizing furnace, feeder 24 and induced draft fan 27 compositions, and the blanking end of feeder 24 and the feed opening on the vapourizing furnace join, and induced draft fan 27 communicates with the vapourizing furnace vaporizer by gas line 28; The vapourizing furnace main body comprises water tank, vaporizer, air supply mechanism, and the water tank of tubular constitutes the outer wall of vaporizer, and air supply mechanism is positioned at the bottom of vaporizer and communicates with vaporizer; The cavity of vaporizer for being surrounded by water tank, stove roof plate 21, tonifying Qi cover 32, stove roof plate 21 is connected together with the tank top edge joint weld, and tonifying Qi cover 32 is positioned at the top of air supply mechanism.Tonifying Qi cover 32 is designed to tower structure, each of tower layer welds together, and the lower floor of tower and connecting part, upper strata are designed to dentation, and the bottom of tower is fixedlyed connected with annular plate 33, the design of annular plate middle part has through hole, the top of tonifying Qi tube 20 to penetrate from through hole in the tower shape cavity of tonifying Qi cover 32.Feed opening position on stove roof plate 21 is connected with the taper blanking barrel 22 of back taper, taper blanking barrel 22 upper design have flue gas to reclaim cover 25, flue gas reclaims cover 25 tops and vertically is connected with chimney 26, chimney 26 middle parts are connected with defeated smoke pipe 30, be serially connected with smoke extractor 29 on the defeated smoke pipe 30, defeated smoke pipe 30 ends communicate with tonifying Qi tube 20 by flue gas input tube 43, and tonifying Qi tube 20 links to each other with gas blower by blowdown pipe 44; The blowdown pipe bottom is by 46 sealings of tonifying Qi tube water shoot, and tonifying Qi tube water shoot 46 has also been designed in tonifying Qi tube bottom, and flue gas recovery cover 25, chimney 26, defeated smoke pipe 30, smoke extractor 29, tonifying Qi tube 20, blowdown pipe 44, gas blower constitute air supply mechanism; On the annular plate of tonifying Qi cover 32 bottoms the support tube that is connected with its one is arranged, the support tube bottom is connected with the support tube base plate 36 of annular, support tube is bilayer structure, it is made of support inner core 17, support urceolus 16, supports inner core 17, support urceolus 16, support tube base plate 36, annular plate 33 formation closed cavities.Support tube base plate 36 belows are bearing in by wheel track 38 and sit on the wheel 39, and support tube base plate 36 belows also are fixedly connected with the gear teeth 37, and driving machine 3 rotates centered by air supply mechanism by the gear teeth 37 drive support tubes, tonifying Qi cover 32; The extrapolation tube 14 that tonifying Qi cover 32 bottoms connect constitutes the grey chamber of appearance with water tank inner core 12 and drop-bottom 5, has ash output hole 7 at drop-bottom 5, and ash output hole 7 joins with the ash hoist 1 of auger type.Tank top is connected on the flue gas input tube 43 by water tank vapour pipe 31, is connected with water tank inlet on the water tank urceolus 11.Through hole edge, annular plate 33 middle part is connected with interpolation tube 19 downwards; Liquid packing in interior liquid packing urceolus 18 and tonifying Qi tube 20 and the interior liquid packing base plate 40 that is connected both constitute, liquid packing water inlet pipe 42, interior liquid packing vapour pipe 41 in being connected with on the interior liquid packing, interpolation tube 19 is positioned at liquid packing; Be connected with outer liquid packing urceolus 13, outer liquid packing inner core 15 on the drop-bottom 5, both constitute outer liquid packing, are connected with outer liquid packing water inlet pipe 35, outer liquid packing vapour pipe 34 on the outer liquid packing, and extrapolation tube 14 is positioned at outer liquid packing.Be fixedly connected with a plurality of shovels ash ploughs 9 downwards in the outer rim of annular plate 33, shovel ash plough 9 outside between liquid packing urceolus 13 and the water tank inner core 12; Upper surface at each layer of tonifying Qi cover 32 all is welded with break hammer 23.
Claims (5)
1. revolving bed gasification furnace, it comprises that vapourizing furnace, feeder (24) and induced draft fan (27) form, and the blanking end of feeder (24) and the feed opening on the vapourizing furnace join, and induced draft fan (27) communicates with the vapourizing furnace vaporizer by gas line (28); The vapourizing furnace main body comprises water tank, vaporizer, air supply mechanism, and the water tank of tubular constitutes the outer wall of vaporizer, and air supply mechanism is positioned at the bottom of vaporizer and communicates with vaporizer; It is characterized in that: vaporizer is by water tank, stove roof plate (21), the cavity that tonifying Qi cover (32) surrounds, stove roof plate (21) is connected together with the tank top edge joint weld, tonifying Qi cover (32) is positioned at the top of air supply mechanism, the support tube that is connected with its one is arranged at tonifying Qi cover (32) bottom, the support tube bottom is connected with the support tube base plate (36) of annular, support tube base plate (36) below is bearing in by wheel track (38) and sits on the wheel (39), support tube base plate (36) below also is fixedly connected with the gear teeth (37), and driving machine (3) drives support tube by the gear teeth (37), tonifying Qi cover (32) rotates centered by air supply mechanism; The extrapolation tube (14) that tonifying Qi cover (32) bottom connects constitutes the grey chamber of appearance with water tank inner core (12) and drop-bottom (5), have ash output hole (7) at drop-bottom (5), ash output hole (7) joins with the ash hoist (1) of auger type, feed opening position on stove roof plate (21) is connected with the taper blanking barrel (22) of back taper, taper blanking barrel (22) upper design has flue gas to reclaim cover (25), flue gas reclaims cover (25) top and vertically is connected with chimney (26), chimney (26) middle part is connected with defeated smoke pipe (30), be serially connected with smoke extractor (29) on the defeated smoke pipe (30), defeated smoke pipe (30) is terminal to communicate with tonifying Qi tube (20) by flue gas input tube (43), tonifying Qi tube (20) is positioned at tonifying Qi cover (32) below, and tonifying Qi tube (20) links to each other with gas blower by blowdown pipe (44); Tonifying Qi tube (20) bottom is sealed by tonifying Qi tube end plate (45), tonifying Qi tube water shoot (46) has also been designed in tonifying Qi tube bottom, and flue gas reclaims cover (25), chimney (26), defeated smoke pipe (30), smoke extractor (29), tonifying Qi tube (20), blowdown pipe (44), gas blower formation air supply mechanism; Tank top is connected on the flue gas input tube (43) by water tank vapour pipe (31), and the water tank urceolus is connected with water tank inlet on (11).
2. revolving bed gasification furnace according to claim 1, it is characterized in that: tonifying Qi cover (32) is designed to tower structure, each of tower layer welds together, the lower floor of tower and connecting part, upper strata are designed to dentation, the bottom of tower is fixedlyed connected with annular plate (33), the design of annular plate middle part has through hole, the top of tonifying Qi tube (20) to penetrate from through hole in the tower shape cavity of tonifying Qi cover (32).
3. revolving bed gasification furnace according to claim 2 is characterized in that: through hole edge, annular plate (33) middle part is connected with interpolation tube (19) downwards; Liquid packing in interior liquid packing urceolus (18) and tonifying Qi tube (20) and the interior liquid packing base plate (40) that is connected both constitute, liquid packing water inlet pipe (42), interior liquid packing vapour pipe (41) in being connected with on the interior liquid packing, interpolation tube (19) is positioned at liquid packing; Be connected with outer liquid packing urceolus (13), outer liquid packing inner core (15) on the drop-bottom (5), both constitute outer liquid packing, be connected with outer liquid packing water inlet pipe (35), outer liquid packing vapour pipe (34) on the outer liquid packing, extrapolation tube (14) is positioned at outer liquid packing.
4. according to claim 2 or 3 described revolving bed gasification furnaces, it is characterized in that: the outer rim at annular plate (33) is fixedly connected with a plurality of shovel ash ploughs (9) downwards, and shovel ash plough (9) is positioned between outer liquid packing urceolus (13) and the water tank inner core (12); Upper surface at each layer of tonifying Qi cover (32) all is welded with break hammer (23).
5. revolving bed gasification furnace according to claim 4, it is characterized in that: support tube is bilayer structure, it is by supporting inner core (17), supporting urceolus (16) formation, and support inner core (17), support urceolus (16), support tube base plate (36), annular plate (33) constitute closed cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110158147 CN102260531B (en) | 2011-06-02 | 2011-06-02 | Spinning bed gasification furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110158147 CN102260531B (en) | 2011-06-02 | 2011-06-02 | Spinning bed gasification furnace |
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| Publication Number | Publication Date |
|---|---|
| CN102260531A CN102260531A (en) | 2011-11-30 |
| CN102260531B true CN102260531B (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110158147 Expired - Fee Related CN102260531B (en) | 2011-06-02 | 2011-06-02 | Spinning bed gasification furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105112103B (en) * | 2015-08-18 | 2017-06-16 | 王晓峰 | Small particle brown coal hydrogasification device and its gasification process based on vacuum thermal decomposition |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614408A (en) * | 2009-07-28 | 2009-12-30 | 罗子焱 | Spiral-flow type biomass semi-gasifier |
| CN101624538A (en) * | 2009-07-31 | 2010-01-13 | 本溪东亚天然资源新实业有限公司 | Biomass gasification furnace |
| CN202116511U (en) * | 2011-06-02 | 2012-01-18 | 刘善华 | Rotating fluidized bed gasifier |
-
2011
- 2011-06-02 CN CN 201110158147 patent/CN102260531B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614408A (en) * | 2009-07-28 | 2009-12-30 | 罗子焱 | Spiral-flow type biomass semi-gasifier |
| CN101624538A (en) * | 2009-07-31 | 2010-01-13 | 本溪东亚天然资源新实业有限公司 | Biomass gasification furnace |
| CN202116511U (en) * | 2011-06-02 | 2012-01-18 | 刘善华 | Rotating fluidized bed gasifier |
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| Publication number | Publication date |
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| CN102260531A (en) | 2011-11-30 |
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Application publication date: 20111130 Assignee: MENGCHENG SHENGYAN STRAW CO., LTD. Assignor: Liu Shanhua Contract record no.: 2014340000095 Denomination of invention: Spinning bed gasification furnace Granted publication date: 20130717 License type: Exclusive License Record date: 20140424 |
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Granted publication date: 20130717 Termination date: 20160602 |