CN202430184U - Furnace body structure of biomass gasification furnace - Google Patents
Furnace body structure of biomass gasification furnace Download PDFInfo
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- CN202430184U CN202430184U CN2012200133141U CN201220013314U CN202430184U CN 202430184 U CN202430184 U CN 202430184U CN 2012200133141 U CN2012200133141 U CN 2012200133141U CN 201220013314 U CN201220013314 U CN 201220013314U CN 202430184 U CN202430184 U CN 202430184U
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Abstract
The utility model relates to a furnace body structure of a biomass gasification furnace. An inner barrel is arranged in the upper half part of an outer barrel, the edge at the upper end of the inner barrel and the edge at the upper end of the outer barrel are welded and sealed through an annular flange; the edge at the lower end of the inner barrel and the inner wall of the outer barrel are welded and sealed through a first annular plate; a water jacket is formed between the outer wall of the inner barrel and the inner wall of the outer barrel; the wall of the outer barrel is provided with a water inlet and a water return port; the inner wall surface of the lower half part of the outer barrel is provided with a fire-proof insulated wall; a second annular plate is welded and fixed on the edge at the lower end of the outer barrel; an ash blocking ring and a water seal ring are coaxially arranged and are welded at the bottom of a third annular plate, the ash blocking ring is positioned inside, and the water seal ring is positioned outside; multiple ash scraping plates are welded on the inner wall of the ash blocking ring and are uniformly distributed along the circumferential direction of the ash blocking ring; the middle of a furnace body is provided with a feed port; and the upper part of the furnace body is provided with a gas outlet. The furnace body structure is ingenuous and reasonable in structure, and can be used for producing steam, the gas outlet temperature is lowered, the temperature stability of a combustion layer is ensured, thereby ensuring uniform combustion and sufficient gasification, and improving the heat value and the gas production rate.
Description
Technical field
The utility model relates to biomass gasifying furnace, specifically a kind of furnace binding of biomass gasifying furnace.
Background technology
Along with the develop rapidly of industry and the propelled at high velocity of urbanization process, energy shortage, problem of environmental pollution has been the focus of current social concerns.And crop straw burning exists with the phenomenon of using old-fashioned wood stove already in the rural area, also discharges amounts of dust and Wen Shi gas.The biomass energy waste mainly is an agricultural waste material at present, wherein can be used as energy purposes greatly.In addition, the overwhelming majority in forestry and the wood working waste also can be used as energy purposes.
The biological fuel gas of biomass gasifying furnace manufacturing belongs to green novel energy source, and it has great vitality.Because the raw material that biological fuel gas produces is agricultural crop straw, forest tree castoff, edible fungi residues, cattle and sheep animal manure and all inflammable substances, is a kind of inexhaustible renewable resource.Biological fuel gas can solve the whole day life with ability (cooking, heating, shower), and burns as liquefied gas, can change the mode of life that China's rural area smoke fire burns fully, can ban traditional bavin kitchen range fully, the replacement liquid gasification.In addition, biological fuel gas has more wide application prospect in industrial aspect, and it not only can directly use as industrial combustion gas, but also can supply with the usefulness that generating set is done generating.
But present biomass gasifying furnace also is in the starting stage; Some small evaporator stoves tar in use are prone to plugging road and switch, and there is emission of bad smell etc. the time spent, and the user owing to the small evaporator stove relatively disperses simultaneously; It used the waste residue, the tar water that are produced disorderly to fall, and caused secondary pollution.
Body of heater is the main part of biomass gasifying furnace, and fuel is thrown in body of heater, and air blasts body of heater and contacts with fuel from bottom of furnace body.Body of heater of the prior art normally adopts steel plate structure; Inwall has been built the refractory brick burner hearth; The shortcoming of this body of heater is: in use, refractory brick comes off or sealing property is bad if cross, and the steel plate of main part just burns easily and burns; Cause the work-ing life and the security of main part to reduce greatly, therefore need improve.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the prior art, and the furnace binding on a kind of biomass gasifying furnace is provided, and its structure is ingenious, and rationally upper of furnace body is a water jacket, but self-produced steam reduces air outlet temperature; The body of heater bottom is a refractory heat-insulating wall body, can guarantee the zone of combustion temperature-stable, makes burning evenly, and gasification fully can improve calorific value and gas production rate.
The technical scheme that provides according to the utility model: the furnace binding of biomass gasifying furnace; It is characterized in that: comprise urceolus, inner core, annular flange, first ring flat-plate, second ring flat-plate, ash-stopping ring, scrape hawk and water seal circle; Inner core places in upper part of urceolus; Inner core edge, upper end and edge, urceolus upper end are through the annular flange welded seal; Through the first ring flat-plate welded seal, form water jacket between inner tank theca and the outer tube inner wall between edge, inner core lower end and the outer tube inner wall, on wall of the outer-rotor, be provided with corresponding to the water-in of water jacket bottom with corresponding to the water return outlet on water jacket top; Lower part inner wall surface of said urceolus is provided with refractory heat-insulating wall body; Said second ring flat-plate is weldingly fixed on the edge, urceolus lower end, ash-stopping ring and the coaxial setting of water seal circle, and be welded on second ring flat-plate bottom, and ash-stopping ring is interior, and the water seal circle is outside; Polylith scrapes that hawk is welded on the ash-stopping ring inwall and along the circumferential direction uniform distribution of ash-stopping ring; Said body of heater middle part is provided with the opening for feed that is used to add biomass fuel, and said opening for feed communicates with inner core inside, and said upper of furnace body is provided with the air outlet that is used to import biological fuel gas, and said air outlet communicates with inner core inside.
Further improvement as the utility model; Said bottom of furnace body is equipped with many through pipe support and is used for the heat-resisting thin permeability cell of heeling-in in zone of combustion; Described many heat-resisting thin permeability cells are all upwards uniform distribution in a plurality of circumference upper edge; The pipe top of heat-resisting thin permeability cell is provided with tapered cap, and the tube wall of heat-resisting thin permeability cell is provided with a plurality of gas-pervious apertures in zone of combustion that are used for.
As the further improvement of the utility model, the said hawk of scraping is an elongated plates, the length direction of scraping hawk along ash-stopping ring radially, width and the vertical direction of scraping hawk form 3 ° angle.
As the further improvement of the utility model, said body of heater is provided with the flare type joint that is connected with inner core inside.
As the further improvement of the utility model, be provided with an enforced loop plane co-axial in the said ash-stopping ring with it, the inner that said polylith is scraped hawk all is weldingly fixed on the enforced loop plane.
Further improvement as the utility model; Be provided with stiffening plate between said inner tank theca and the outer tube inner wall; Be provided with first between said second ring flat-plate upper surface and the outer tube inner wall and strengthen gusset; Be provided with second between the said water seal ring outer wall and the second ring flat-plate lower surface and strengthen gusset, be provided with the 3rd between said ash-stopping ring outer wall and the water seal circle inwall and strengthen gusset.
As the further improvement of the utility model, said refractory heat-insulating wall body adopts the refractory castable cast to form or be built into by refractory brick.
The utility model compared with prior art; Advantage is: the utility model structure is ingenious, and rationally upper of furnace body is a water jacket, can reduce the air outlet temperature of the high temperature biological fuel gas of vapourizing furnace generation on the one hand; The heat radiation of giving vent to anger of high temperature biological fuel gas capable of using on the other hand produces steam; Steam can draw the zone of combustion of bottom of furnace body, improved gas production rate and gas heating value, and remainder steam can supply it to clean the usefulness of heating; The body of heater bottom is a refractory heat-insulating wall body, can guarantee the zone of combustion temperature-stable, makes burning evenly, and gasification fully.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the structure vertical view of the utility model embodiment.
Description of reference numerals: 1-annular flange, 2-inner core, 3-air outlet, 4-urceolus, 5-stiffening plate, 6-refractory heat-insulating wall body, 7-flare type joint, 8-water inlet pipe, 9-first ring flat-plate, the 10-first reinforcement gusset, 11-second ring flat-plate, 12-two reinforcement gussets, 13-the 3rd reinforcement gusset, 14-water seal circle, 15-scrape hawk, 16-ash-stopping ring, 17-enforced loop plane, 18-water-in, 19-water return outlet, 20-pipe support, the heat-resisting thin permeability cell of 21-, 22-opening for feed.
Embodiment
Below in conjunction with concrete accompanying drawing and embodiment the utility model is described further.
As shown in the figure, the furnace binding of the biomass gasifying furnace among the embodiment is mainly strengthened gusset 10, second ring flat-plate 11, second by annular flange 1, inner core 2, urceolus 4, stiffening plate 5, flare type joint 7, first ring flat-plate 9, first and is strengthened gusset the 12, the 3rd and strengthen gusset 13, water seal circle 14, scrape component such as hawk 15, ash-stopping ring 16, enforced loop plane 17, pipe support 20 and heat-resisting thin permeability cell 21 and form.
Like Fig. 1, shown in Figure 2; Inner core 2 places in upper part of urceolus 4; Inner core edge, 2 upper end and edge, urceolus 4 upper end are through annular flange 1 welded seal; Through first ring flat-plate, 9 welded seals, form water jacket between inner core 2 outer walls and urceolus 4 inwalls between inner core edge, 2 lower end and urceolus 4 inwalls, on urceolus 4 walls, be provided with corresponding to the water-in 18 of water jacket bottom with corresponding to the water return outlet 19 on water jacket top; Water-in 18 connects water inlet pipe 8 (just in order to represent the position of water-in 18 on short transverse, the position on its circumference is by shown in Figure 2 for water inlet pipe 8 positions among Fig. 1); Lower part inner wall surface of said urceolus 4 is provided with refractory heat-insulating wall body 6; Said second ring flat-plate 11 is weldingly fixed on the edge, urceolus 4 lower end, ash-stopping ring 16 and the 14 coaxial settings of water seal circle, and be welded on second ring flat-plate, 11 bottoms; Ash-stopping ring 16 is interior, water seal circle 14 outside, water seal circle 14 is used for cooperating with the grey disc mechanism of below; Realize water-lute, prevent gas leak; Polylith scrapes that hawk 15 is welded on ash-stopping ring 16 inwalls and along the circumferential direction uniform distribution of ash-stopping ring 16; Said body of heater middle part is provided with the opening for feed 22 that is used to add biomass fuel, and said opening for feed 22 communicates with inner core 2 inside, and said upper of furnace body is provided with the air outlet 3 that is used to import biological fuel gas, and said air outlet 3 communicates with inner core 2 inside.
In the utility model, described water jacket width is 100 ~ 250mm, highly is 2000 ~ 4000mm, and interior stove diameter is Ф 2000 ~ Ф 4500mm.The thickness of said refractory heat-insulating wall body 6 is 150 ~ 350mm, highly is 800 ~ 2000mm, and diameter is Ф 2000 ~ Ф 4500mm.
As shown in Figure 1; Said bottom of furnace body is equipped with many through pipe support 20 and is used for the heat-resisting thin permeability cell 21 of heeling-in in zone of combustion; Described many heat-resisting thin permeability cells 21 are all upwards uniform distribution in a plurality of circumference upper edge; The pipe top of heat-resisting thin permeability cell 21 is provided with tapered cap, and described tapered cap can prevent that heat-resisting thin permeability cell 21 is plugged; The tube wall of said heat-resisting thin permeability cell 21 is provided with a plurality of gas-pervious apertures in zone of combustion that are used for.In the utility model, in general the number of described heat-resisting thin permeability cell 21 is provided with 15 ~ 27 according to the size setting of body of heater, and the internal diameter size of heat-resisting thin permeability cell 21 is generally Ф 60 ~ Ф 108mm.Described heat-resisting thin permeability cell 21 can solve ventilation property, the incendivity of pulverized fuel, improves gas producing efficiency, avoids the body of heater fuel to extinguish phenomenon, makes fuel combustion even.
Like Fig. 1, shown in Figure 2, the said hawk 15 scraped is elongated plates, and the length direction of scraping hawk 15 along ash-stopping ring 16 is radially scraped the width of hawk 15 and the angle of 3 ° of vertical direction formation, helps like this lime-ash is dropped down onto out in the ash bucket to pressing down.Said body of heater is provided with the flare type joint 7 that is connected with inner core 2 inside, and flare type joint 7 is used to connect the thermometric components and parts, with the intravital temperature of real-time detection stove, is convenient to control.
In order to improve the overall construction intensity of the utility model, be provided with an enforced loop plane 17 co-axial in the said ash-stopping ring 16 with it, the inner that said polylith is scraped hawk 15 all is weldingly fixed on the enforced loop plane 17.From same purpose; Be provided with stiffening plate 5 between said inner core 2 outer walls and urceolus 4 inwalls; Be provided with first between said second ring flat-plate, 11 upper surfaces and urceolus 4 inwalls and strengthen gusset 10; Be provided with second between said water seal circle 14 outer walls and second ring flat-plate, 11 lower surfaces and strengthen gusset 12, be provided with the 3rd between said ash-stopping ring 16 outer walls and water seal circle 14 inwalls and strengthen gusset 13.
In the utility model, said refractory heat-insulating wall body 6 can adopt the refractory castable cast to form or be built into by refractory brick.
During concrete the application, biomass fuel delivers into body of heater through apparatus for feeding from the opening for feed 22 in the middle part of the body of heater, falls into bottom of furnace body; Incomplete combustion forms zone of combustion, is refractory heat-insulating wall body 6 around the zone of combustion, can guarantee the zone of combustion temperature-stable; Make burning evenly, gasification fully.The zone of combustion below is grey disc mechanism, and biomass fuel is incomplete combustion in body of heater, generates and contains flammable biological fuel gas such as carbon monoxide, hydrogen and low molecular hydrocarbon class gas; These biological fuel gas are upwards discharged via air outlet 3; Biological fuel gas has higher temperature, and the pyritous biological fuel gas contacts with the water jacket of upper of furnace body in the process of giving vent to anger, with the water generation heat exchange in the water jacket; The air outlet temperature of biological fuel gas is reduced; The heat radiation of giving vent to anger of high temperature biological fuel gas capable of using on the other hand produces steam, and steam can pass in the admission passage system through pipeline, draws the zone of combustion of bottom of furnace body then; Improve gas production rate and gas heating value, remainder steam can supply it to clean the usefulness of heating.
The lime-ash that produces behind the biomass fuel gasifying drops on the rotating grey disc mechanism, and when grey disc mechanism rotated, lime-ash was scraped and drops down onto out in the ash bucket to pressing down by the hawk 15 of scraping of bottom of furnace body.
Claims (7)
1. the furnace binding of biomass gasifying furnace; It is characterized in that: comprise urceolus (4), inner core (2), annular flange (1), first ring flat-plate (9), second ring flat-plate (11) ash-stopping ring (16), scrape hawk (15) and water seal circle (14); Inner core (2) places in upper part of urceolus (4); Inner core (2) edge, upper end and edge, urceolus (4) upper end are through annular flange (1) welded seal; Pass through first ring flat-plate (9) welded seal between inner core (2) edge, lower end and urceolus (4) inwall; Form water jacket between inner core (2) outer wall and urceolus (4) inwall, on urceolus (4) wall, be provided with corresponding to the water-in (18) of water jacket bottom with corresponding to the water return outlet (19) on water jacket top; Lower part inner wall surface of said urceolus (4) is provided with refractory heat-insulating wall body (6); Said second ring flat-plate (11) is weldingly fixed on urceolus (4) edge, lower end, ash-stopping ring (16) and the coaxial setting of water seal circle (14), and be welded on second ring flat-plate (11) bottom, and ash-stopping ring (16) is interior, and water seal circle (14) is outside; Polylith scrapes that hawk (15) is welded on ash-stopping ring (16) inwall and along the circumferential direction uniform distribution of ash-stopping ring (16); Said body of heater middle part is provided with the opening for feed (22) that is used to add biomass fuel; Said opening for feed (22) communicates with inner core (2) inside; Said upper of furnace body is provided with the air outlet (3) that is used to import biological fuel gas, and said air outlet (3) communicate with inner core (2) inside.
2. the furnace binding of biomass gasifying furnace as claimed in claim 1; It is characterized in that: said bottom of furnace body is equipped with many through pipe support (20) and is used for the heat-resisting thin permeability cell (21) of heeling-in in zone of combustion; Described many heat-resisting thin permeability cells (21) are all upwards uniform distribution in a plurality of circumference upper edge; The pipe top of heat-resisting thin permeability cell (21) is provided with tapered cap, and the tube wall of heat-resisting thin permeability cell (21) is provided with a plurality of gas-pervious apertures in zone of combustion that are used for.
3. the furnace binding of biomass gasifying furnace as claimed in claim 1; It is characterized in that: the said hawk (15) of scraping is elongated plates; The length direction of scraping hawk (15) along ash-stopping ring (16) radially, width and the vertical direction of scraping hawk (15) form 3 ° angle.
4. the furnace binding of biomass gasifying furnace as claimed in claim 1, it is characterized in that: said body of heater is provided with the flare type joint (7) that is connected with inner core (2) inside.
5. the furnace binding of biomass gasifying furnace as claimed in claim 1; It is characterized in that: be provided with an enforced loop plane co-axial with it (17) in the said ash-stopping ring (16), the inner that said polylith is scraped hawk (15) all is weldingly fixed on the enforced loop plane (17).
6. the furnace binding of biomass gasifying furnace as claimed in claim 1; It is characterized in that: be provided with stiffening plate (5) between said inner core (2) outer wall and urceolus (4) inwall; Be provided with first between said second ring flat-plate (11) upper surface and urceolus (4) inwall and strengthen gusset (10); Be provided with second between said water seal circle (14) outer wall and second ring flat-plate (11) lower surface and strengthen gusset (12), be provided with the 3rd between said ash-stopping ring (16) outer wall and water seal circle (14) inwall and strengthen gusset (13).
7. the furnace binding of biomass gasifying furnace as claimed in claim 1 is characterized in that: said refractory heat-insulating wall body (6) adopts the refractory castable cast to form or be built into by refractory brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200133141U CN202430184U (en) | 2012-01-12 | 2012-01-12 | Furnace body structure of biomass gasification furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200133141U CN202430184U (en) | 2012-01-12 | 2012-01-12 | Furnace body structure of biomass gasification furnace |
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| Publication Number | Publication Date |
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| CN202430184U true CN202430184U (en) | 2012-09-12 |
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| CN2012200133141U Expired - Lifetime CN202430184U (en) | 2012-01-12 | 2012-01-12 | Furnace body structure of biomass gasification furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102703126A (en) * | 2012-01-12 | 2012-10-03 | 无锡湖光工业炉有限公司 | Body structure of biomass gasifier |
-
2012
- 2012-01-12 CN CN2012200133141U patent/CN202430184U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102703126A (en) * | 2012-01-12 | 2012-10-03 | 无锡湖光工业炉有限公司 | Body structure of biomass gasifier |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120912 |
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| CX01 | Expiry of patent term |