CN204962721U - Biomass fuel combustion device - Google Patents
Biomass fuel combustion device Download PDFInfo
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- CN204962721U CN204962721U CN201520721589.4U CN201520721589U CN204962721U CN 204962721 U CN204962721 U CN 204962721U CN 201520721589 U CN201520721589 U CN 201520721589U CN 204962721 U CN204962721 U CN 204962721U
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- fuel combustion
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Abstract
The utility model aims at providing a biomass fuel combustion device, including combustion chamber, air -blast device, feeding device, feeding device include the filling tube, the combustion chamber include shell, furnace, grate, ash bin and play firetube, shell and furnace between be equipped with air -cooled intermediate layer, furnace below set up grate and ash bin, the play firetube set up in one side of combustion chamber, with furnace intercommunication, stretch out after passing air -cooled intermediate layer and shell, the air -blast device includes fan, tuber pipe I, tuber pipe II, tuber pipe III, the fan respectively with tuber pipe I, tuber pipe II and III intercommunications of tuber pipe, tuber pipe I and filling tube intercommunication, tuber pipe II is linked together with the ash bin, tuber pipe III and air -cooled intermediate layer be linked together this burner and overcome that prior art burner combustion efficiency is low, the structure is complicated, the heat runs off big defect, have compact structure and retrench, the oxygen suppliment is abundant, granule combustion efficiency is high, characteristics that heat transmission effect is good.
Description
Technical field
The utility model relates to field of combustion equipment, is specifically related to a kind of biomass fuel combustion device.
Background technology
Biomass granule fuel is a kind of novel energy, is mainly used in gasification and burning.Research shows, sulfur content and the nitrogen content of biomass granule fuel are low, and easily catch fire, efficiency of combustion is high, and content of ashes is little, and after burning, the discharge capacity of SO2 and NOX and flue dust is more much smaller than fossil fuel, is a kind of clean energy resource.
Biomass combustion is in the market all generally be used on boiler plant, traditional biomass burner flue need use water-cooled, because the heat losses that water-cooling system causes accounts for 15% of total amount of heat, so heat energy service efficiency is very low, but also waste valuable water resource.Meanwhile, biomass fuel during gasification, and combustion, often because air inlet is for hypoxgia, makes fuel combustion insufficient in burner hearth, causes waste of fuel on the one hand, has discharged pernicious gas on the other hand, unfavorable to environment; And, although some burning housing takes thermal insulation layer and causes scald accident to prevent functional contact to the outer surface of burner, along with the transmission of heat energy, heat is radiated in surrounding air by skin, make to rise to the air themperature in factory, affect operative employee's task efficiency.Further, due to features such as the concrete energy density of living beings are low, volume is large, cost of transportation is relatively high, causes the extensive cost utilized higher; Therefore a small-sized efficient biomass combustion apparatus, the middle and small scale biomass efficient being expected to realize low cost utilizes.
Summary of the invention
The utility model aims to provide a kind of biomass fuel combustion device, this burner overcomes the defect that prior art burner efficiency of combustion is low, complex structure, heat losses are large, and have compact conformation and simplify, oxygen supply is abundant, particle burning efficiency is high, the feature that heat-transfer effect is good.
Technical solutions of the utility model are as follows: a kind of biomass fuel combustion device, comprise combustion chamber, air-blast device, feeding device, and described feeding device comprises charge pipe; Described combustion chamber comprises shell, burner hearth, fire grate, ash bin and fire-outtaking tube; Air-cooled interlayer is provided with between described shell and burner hearth; Fire grate and ash bin are set below described burner hearth; Described fire-outtaking tube is arranged at the side of combustion chamber, is communicated with burner hearth, stretches out through after air-cooled interlayer and shell;
Described air-blast device comprises blower fan, airduct I, airduct II, airduct III, and described blower fan is communicated with airduct III with airduct I, airduct II respectively; Described airduct I is communicated with charge pipe; Described airduct II is connected with ash bin; Described airduct III is connected with air-cooled interlayer.
Preferably, also comprise bellows, described airduct I, airduct II, airduct III are communicated with blower fan by bellows.
Preferably, described air-cooled interlayer is connected with air.
Preferably, described shell is provided with the discharge pipe be communicated with air-cooled interlayer, and described discharge pipe is communicated with air.
Preferably, described discharge pipe entangles fire-outtaking tube, leaves space between discharge pipe and fire-outtaking tube, and by space, discharge pipe is communicated with air with air-cooled interlayer respectively.
Preferably, the end of described discharge pipe and the end of fire-outtaking tube concordant.
Further preferably, the sidewall of described fire-outtaking tube is provided with fresh air inlet.
Preferably, the outer wall of described burner hearth is enclosed with insulation material.
Preferably, described feeding device comprises charging box, reinforced auger, reinforced motor, and described reinforced auger is arranged in charge pipe, one end of charge pipe is connected with charging box, the other end is connected with burner hearth, and described reinforced motor is connected with reinforced auger, drives reinforced auger to rotate.
Preferably, reinforced flashboard is provided with bottom described charging box.
The course of work of the utility model biomass fuel combustion device is as follows:
Biomass granule fuel is loaded charging box, by reinforced auger, fuel is delivered to burner hearth via charge pipe, the fuel ignited in burner hearth of lighting a fire; Fan starting, air-flow is blown into charge pipe through bellows via airduct I, is blown into ash bin, is blown into combustion chamber afterwards by fire grate via airduct II; Heat is sprayed by fire-outtaking tube; Air-flow is blown into cooling layer via airduct III, and enters air from discharge pipe;
In further preferred version, the fresh air inlet of the air-flow in discharge pipe on fire-outtaking tube is blown into fire-outtaking tube, enters air afterwards from fire-outtaking tube.
Distinctive three air duct structures of the utility model biomass fuel combustion device are compact, and granular fuel dispels and enters burner hearth and be beneficial to Thorough combustion by airduct I, and the air-flow be simultaneously blown into is burner hearth oxygen supply and contributes to heat to derive from fire-outtaking tube; Air-flow is blown in burner hearth by fire grate by airduct II, increases oxygen-supplying amount, improves efficiency of combustion, and avoids imperfect combustion particle packing to result in blockage on fire grate or the phenomenon of coking appears in fire grate; Meanwhile, with the combination of airduct II, airduct I promotes that heat is derived from fire-outtaking tube; Airduct III prevents combustion chamber external temperature too high with the combination of air-cooled interlayer, guarantees that combustion chamber is more safe and reliable under the operating mode of long-time running; Undertaken integrated by bellows by three airducts, taking up room of reduction means, three airducts had both played its each self-applying, can combine again and tell on.
In preferred version, discharge pipe entangles the setting of fire-outtaking tube, and the hot-fluid that fire-outtaking tube is sprayed is under the parcel of discharge pipe air-flow, heat is sprayed more concentrated.Further, in further preferred version, the design of fresh air inlet makes the air-flow of discharge pipe be blown into fire-outtaking tube, accelerates the heat ejection of fire-outtaking tube; The combination of heat-preservation cotton and air-cooled interlayer has taken into account minimizing combustion chamber heat loss and has prevented too high two aspects of combustion chamber external temperature, makes the work of device run efficient and stablize.
Accompanying drawing explanation
The biomass fuel combustion device that Fig. 1 provides for embodiment 1
The biomass fuel combustion device that Fig. 2 provides for embodiment 2
Fire-outtaking tube and discharge pipe schematic enlarged-scale view in the biomass fuel combustion device that Fig. 3 provides for embodiment 2
In figure each several part title and sequence number as follows:
11 is shell, and 12 is burner hearth, and 13 is fire grate, and 14 is ash bin, 15 is fire-outtaking tube, and 16 is air-cooled interlayer, and 17 is discharge pipe, 18 is fresh air inlet, and 19 is insulation material, and 21 is blower fan, 22 is airduct I, and 23 is airduct II, and 24 is airduct III, 25 is bellows, and 31 is charging box, and 32 is reinforced auger, 33 is reinforced motor, and 34 is reinforced flashboard, and 4 is charge pipe.
Detailed description of the invention
The utility model is illustrated below in conjunction with drawings and Examples 1.
Embodiment 1
As shown in Figure 1, the biomass fuel combustion device that the present embodiment provides, comprises combustion chamber, air-blast device, feeding device, and described feeding device comprises charge pipe 4; Described combustion chamber comprises shell 11, burner hearth 12, fire grate 13, ash bin 14 and fire-outtaking tube 15; Air-cooled interlayer 16 is provided with between described shell 11 and burner hearth 12; Fire grate 13 and ash bin 14 are set below described burner hearth 12; Described fire-outtaking tube 15 is arranged at the side of combustion chamber, is communicated with burner hearth 12, stretches out through after air-cooled interlayer 16 and shell 11;
Described air-blast device comprises blower fan 21, airduct I 22, airduct II 23, airduct III 24, and described blower fan 21 is communicated with airduct III 24 with airduct I 22, airduct II 23 respectively; Described airduct I 22 is communicated with charge pipe 4; Described airduct II 23 is connected with ash bin 14; Described airduct III 24 is connected with air-cooled interlayer 16;
Also comprise bellows 25, described airduct I 22, airduct II 23, airduct III 24 are communicated with blower fan 21 by bellows 25; Described shell 11 is provided with the discharge pipe 17 be communicated with air-cooled interlayer 16, and described discharge pipe 17 is communicated with air; The outer wall of described burner hearth 12 is enclosed with insulation material 19;
Described feeding device comprises charging box 31, reinforced auger 32, reinforced motor 33, described reinforced auger 32 is arranged in charge pipe 4, and one end of charge pipe 4 is connected with charging box 31, and the other end is connected with burner hearth 12, described reinforced motor 33 is connected with reinforced auger 32, drives reinforced auger 32 to rotate; Reinforced flashboard 34 is provided with bottom described charging box 31.
The course of work of the present embodiment is as follows:
Biomass granule fuel is loaded charging box 31, by reinforced auger 32, fuel is delivered to burner hearth 12 via charge pipe 4, the fuel ignited in burner hearth 12 of lighting a fire; Blower fan 21 starts, and air-flow is blown into charge pipe 4 through bellows 25 via airduct I 22, is blown into ash bin 14 via airduct II 23, is blown into burner hearth 12 afterwards by fire grate 13; Heat is sprayed by fire-outtaking tube 15; Air-flow is blown into air-cooled interlayer 16 via airduct III 24, and enters air from discharge pipe 17.
Embodiment 2
As shown in Figure 2,3, the biomass fuel combustion device that the present embodiment provides, comprises combustion chamber, air-blast device, feeding device, and described feeding device comprises charge pipe 4; Described combustion chamber comprises shell 11, burner hearth 12, fire grate 13, ash bin 14 and fire-outtaking tube 15; Air-cooled interlayer 16 is provided with between described shell 11 and burner hearth 12; Fire grate 13 and ash bin 14 are set below described burner hearth 12; Described fire-outtaking tube 15 is arranged at the side of combustion chamber, is communicated with burner hearth 12, stretches out through after air-cooled interlayer 16 and shell 11;
Described air-blast device comprises blower fan 21, airduct I 22, airduct II 23, airduct III 24, and described blower fan 21 is communicated with airduct III 24 with airduct I 22, airduct II 23 respectively; Described airduct I 22 is communicated with charge pipe 4; Described airduct II 23 is connected with ash bin 14; Described airduct III 24 is connected with air-cooled interlayer 16;
Also comprise bellows 25, described airduct I 22, airduct II 23, airduct III 24 are communicated with blower fan 21 by bellows 25; Described shell 11 is provided with the discharge pipe 17 be communicated with air-cooled interlayer 16, and described discharge pipe 17 is communicated with air; The outer wall of described burner hearth 12 is enclosed with insulation material 19;
Described discharge pipe 17 entangles fire-outtaking tube 15, leaves space between discharge pipe 17 and fire-outtaking tube 15, and by space, discharge pipe 17 is communicated with air with air-cooled interlayer 16 respectively; The end of described discharge pipe 17 is concordant with the end of fire-outtaking tube 15; The sidewall of described fire-outtaking tube 15 is provided with fresh air inlet 18;
Described feeding device comprises charging box 31, reinforced auger 32, reinforced motor 33, described reinforced auger 32 is arranged in charge pipe 4, and one end of charge pipe 4 is connected with charging box 31, and the other end is connected with burner hearth 12, described reinforced motor 33 is connected with reinforced auger 32, drives reinforced auger 32 to rotate; Reinforced flashboard 34 is provided with bottom described charging box 31.
The course of work of the present embodiment is as follows:
Biomass granule fuel is loaded charging box 31, by reinforced auger 32, fuel is delivered to burner hearth 12 via charge pipe 4, the fuel ignited in burner hearth 12 of lighting a fire; Blower fan 21 starts, and air-flow is blown into charge pipe 4 through bellows 25 via airduct I 22, is blown into ash bin 14 via airduct II 23, is blown into burner hearth 12 afterwards by fire grate 13; Heat is sprayed by fire-outtaking tube 15; Air-flow is blown into air-cooled interlayer 16 via airduct III 24, and enters air from discharge pipe 17; Meanwhile, the fresh air inlet 18 of the air-flow in discharge pipe 17 on fire-outtaking tube 15 is blown into fire-outtaking tube 15, enters air afterwards from fire-outtaking tube 15.
Claims (10)
1. a biomass fuel combustion device, comprises combustion chamber, air-blast device, feeding device, and described feeding device comprises charge pipe (4); It is characterized in that:
Described combustion chamber comprises shell (11), burner hearth (12), fire grate (13), ash bin (14) and fire-outtaking tube (15); Air-cooled interlayer (16) is provided with between described shell (11) and burner hearth (12); Described burner hearth (12) below arranges fire grate (13) and ash bin (14); Described fire-outtaking tube (15) is arranged at the side of combustion chamber, is communicated with burner hearth (12), stretches out through after air-cooled interlayer (16) and shell (11);
Described air-blast device comprises blower fan (21), airduct I (22), airduct II (23), airduct III (24), and described blower fan (21) is communicated with airduct III (24) with airduct I (22), airduct II (23) respectively; Described airduct I (22) is communicated with charge pipe (4); Described airduct II (23) is connected with ash bin (14); Described airduct III (24) is connected with air-cooled interlayer (16).
2. biomass fuel combustion device as claimed in claim 1, it is characterized in that: also comprise bellows (25), described airduct I (22), airduct II (23), airduct III (24) are communicated with blower fan (21) by bellows (25).
3. biomass fuel combustion device as claimed in claim 1, is characterized in that: described air-cooled interlayer (16) is connected with air.
4. biomass fuel combustion device as claimed in claim 1, is characterized in that: described shell (11) is provided with the discharge pipe (17) be communicated with air-cooled interlayer (16), and described discharge pipe (17) is communicated with air.
5. biomass fuel combustion device as claimed in claim 4, is characterized in that:
Described discharge pipe (17) entangles fire-outtaking tube (15), leaves space between discharge pipe (17) and fire-outtaking tube (15), and by space, discharge pipe (17) is communicated with air with air-cooled interlayer (16) respectively.
6. biomass fuel combustion device as claimed in claim 5, is characterized in that:
The end of described discharge pipe (17) is concordant with the end of fire-outtaking tube (15).
7. biomass fuel combustion device as claimed in claim 5, is characterized in that:
The sidewall of described fire-outtaking tube (15) is provided with fresh air inlet (18).
8. biomass fuel combustion device as claimed in claim 1, is characterized in that: the outer wall of described burner hearth (12) is enclosed with insulation material (19).
9. the biomass fuel combustion device as described in claim 1-8 any one, is characterized in that:
Described feeding device comprises charging box (31), reinforced auger (32), reinforced motor (33), described reinforced auger (32) is arranged in charge pipe (4), one end of charge pipe (4) is connected with charging box (31), the other end is connected with burner hearth (12), described reinforced motor (33) is connected with reinforced auger (32), drives reinforced auger (32) to rotate.
10. biomass fuel combustion device as claimed in claim 9, is characterized in that: described charging box (31) bottom is provided with reinforced flashboard (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520721589.4U CN204962721U (en) | 2015-09-18 | 2015-09-18 | Biomass fuel combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520721589.4U CN204962721U (en) | 2015-09-18 | 2015-09-18 | Biomass fuel combustion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204962721U true CN204962721U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520721589.4U Expired - Fee Related CN204962721U (en) | 2015-09-18 | 2015-09-18 | Biomass fuel combustion device |
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| Country | Link |
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| CN (1) | CN204962721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240839A (en) * | 2015-09-18 | 2016-01-13 | 广西节得乐生物质能源科技有限公司 | Biomass fuel combustion device |
-
2015
- 2015-09-18 CN CN201520721589.4U patent/CN204962721U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240839A (en) * | 2015-09-18 | 2016-01-13 | 广西节得乐生物质能源科技有限公司 | Biomass fuel combustion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20200918 |