CN202757254U - Novel biomass reverse-burning type hot water boiler - Google Patents
Novel biomass reverse-burning type hot water boiler Download PDFInfo
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- CN202757254U CN202757254U CN 201120433041 CN201120433041U CN202757254U CN 202757254 U CN202757254 U CN 202757254U CN 201120433041 CN201120433041 CN 201120433041 CN 201120433041 U CN201120433041 U CN 201120433041U CN 202757254 U CN202757254 U CN 202757254U
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Abstract
A novel biomass reverse-burning type hot water boiler comprises a boiler body (1). An inner cavity of the boiler body (1) is provided with a boiler water interlayer (2), and is divided into an upper furnace (4) and a lower furnace (10). The upper furnace (4) and the lower furnace (10) are separated by a fire grate (5). The novel biomass reverse-burning type hot water boiler is characterized in that a side wall of the lower furnace (10) is provided with a discharge flue (11) and is communicated with an inner cavity of a boiled water tank (21), the inner cavity of the boiled water tank (21) is connected with an inner cavity of a mild water tank (17) as a flue through a communicating pipeline (14) and a boiled water tank discharge flue (23), and an exhaust port (28) provided at an upper end of the mild water tank (17) is connected to a chimney (30) through a pipeline and an induced draught fan (29). The novel biomass reverse-burning type hot water boiler has the advantages of full combustion, high thermal efficiency, and energy saving and environmental protection. The boiler is designed to be of an upper feeding type, an air inlet and a feeding inlet are combined, the automatic feeding of the fuel is realized under the effects of gravity and the induced draught fan, and the manpower is saved. The position of the boiler exhaust port is provided with a flue gas purifier, tars and ashes in the flue gas can be effectively removed, and the pollutant discharge is much lower than the national standard.
Description
Technical field
The utility model relates to a kind of biomass hot water boiler, particularly Novel biomass anti-burning type water heating boiler.
Background technology
The boiler that utilizes at present the biomass moulding briquetting to make fuel is not yet popularized in market, and the combustion technology of existing boiler is more backward, be that combustion air just enters from the grate of burner hearth bottom surface, fuel on the grate, ash cover on the grate face, the grate improper ventilation supplies hypoxgia to fuel combustion.The thermal efficiency of this boiler is low, dust is serious, fume emission is more.Therefore, the structure of design novel biomass boiler, it is imperative to develop new combustion technology.
Burning type water heating boiler is a kind of hot-water boiler commonly used at present, and the combination of counter heating boiler and biomass fuel has the higher thermal efficiency, and smoke discharge amount still less.It comprises up and down two burner hearths that separate by fire grate, does not have the fuel of completing combustion to fall into lower hearth through fire grate in upper furnace and burns away, thereby make burning more complete, and fuel availability is improved, and has reduced simultaneously the discharging of harmful smoke.
Existing anti-burn stove because the inadequate adequate service life of structure is shorter, complex operation is complicated and then affected the normal use of hot-water boiler.On the other hand, the flue gas of boiler chimney discharging carries a large amount of heat energy, directly is discharged into and not only causes energy waste in the atmosphere, and destroy the earth atmosphere environment.The Patent Application Publication of Chinese patent specification 200910015495.4 a kind of vertical counter-burning coal-fired hot water boiler, this boiler design has unique heat exchange water-cooled wall, complex structure, cost of manufacture is higher, and dust is serious on the water-cooling wall, the deashing difficulty, service life is shorter, the boiler attendance difficulty.The Patent Application Publication of Chinese patent specification 200820174280.8 a kind of Novel counter-heating hot-water boiler, the anti-burning furnace wall of this boiler design is comprised of two arcs, to compare the furnace volume proportion less with whole boiler, need during boiler operatiopn frequent reinforced, complex operation.
Summary of the invention
For above deficiency, the purpose of this utility model is to provide a kind of Novel biomass anti-burning type water heating boiler, that biomass block fuel is directly joined in the upper furnace from the roof of the furnace charge door, fuel is realized autofeed under the effect of gravity and air-introduced machine, flue gas passes through boiled water tank and reservoir inner chamber successively, carry out entering flue gas cleaner behind the multi-stage heat exchanger, enter the atmosphere from chimney at last.It has the advantage of sufficient combustion, thermal efficiency height and energy-conserving and environment-protective.
The technical solution of the utility model is achieved in the following ways: a kind of Novel biomass anti-burning type water heating boiler, comprise boiler body, be provided with the boiler water interlayer at the boiler body inner chamber, be divided into upper furnace and lower hearth, separate with upper fire-grating, the lower hearth below is provided with dust collection chamber, between lower hearth and dust collection chamber, be provided with lower fire grating, the positive basifacial of body of heater is provided with air door and ash hole, it is characterized in that: the sidewall of described lower hearth is provided with smokejack and is communicated with the boiled water tank inner chamber, the inner chamber of boiled water tank passes through connecting pipeline, the boiled water tank smokejack is connected as flue with the inner chamber of reservoir, and the exhaust opening that is provided with of reservoir upper end is connected to chimney by pipeline and air-introduced machine.
Described upper furnace passes straight through to the boiler body top and communicates with the external world, and air inlet is all charging aperture.
Described boiled water tank inner chamber is provided with the horizontal heat exchange water pipe group of many rows; Laterally heat exchange water pipe group two ends are communicated with the boiled water tank water interlayer respectively.
Described reservoir inner chamber is provided with a smoke baffle plate, vertically inner chamber is separated into two spaces.
Described reservoir inner chamber also is provided with horizontal heat exchange water pipe group and crosses smoke baffle plate, and two ends are communicated with the reservoir water interlayer respectively.
Described reservoir epicoele exhaust opening place is provided with flue gas cleaner and built-in high efficiency filter material, and its flue gas cleaner lower end and reservoir exhaust opening place are equipped with separation net.
Of the present utility model, biomass block fuel joins in the upper furnace from the top charging aperture.Hot fuel during boiler operatiopn on the upper fire-grating and unburnt particulate under air-introduced machine and Action of Gravity Field, drop downwards while burn, and drop on the lower fire grating, and imperfect combustion fuel particle burns away, and the soot particle of after-flame falls into dust collection chamber from lower fire grating.Flue gas enters the boiled water tank inner chamber by the lower hearth smokejack, passes from heat exchange water pipe group internal clearance, enters reservoir by the boiled water tank smokejack again; Flue gas passes heat exchange water pipe group inside under the guiding of reservoir inner chamber smoke baffle plate gap enters flue gas cleaner, discharges from the exhaust opening of reservoir after processing through evolving, and enters chimney by air-introduced machine.
The Novel biomass anti-burning type water heating boiler that the utility model provides compared with prior art has the following advantages: one, adopted the technical scheme of second-time burning according to the burning feature of biomass molding fuel, therefore had the characteristics of sufficient combustion, good environmental protection; Two, the boiler furnace design is unique, designs larger burner hearth area in limited space, and efficiency of combustion is higher.Boiler design is upper feeding type, and air inlet and charging aperture unite two into one, and biomass block fuel directly joins in the upper furnace from the top charge door, and fuel is realized autofeed under the effect of gravity and air-introduced machine, and once reinforced can the operation for more time saved manpower.Three, the flue gas of boiler emission passes through boiled water tank and reservoir inner chamber successively, enter the atmosphere from chimney at last, and the heat that the horizontal heat exchange water pipe group of boiled water tank and reservoir inner chamber is collected adds in the boiler heat exchange aqueous system by hot water, take full advantage of boiler afterheat, improved the thermal efficiency of boiler.Four, the boiler smoke outlet place is provided with flue gas cleaner, can effectively remove tar and ash content in the flue gas, and pollutant emission is well below national standard.
Description of drawings
Fig. 1: structural representation of the present utility model.
Fig. 2: the A-A in the presentation graphs 1 is to the sectional structure schematic diagram.
Fig. 3: the B-B in the presentation graphs 1 is to the sectional structure schematic diagram.
Fig. 4: the C-C in the presentation graphs 1 is to the sectional structure schematic diagram.
Among the figure: 1. boiler body, 2. boiler water interlayer, 3. boiling water delivery port, 4. upper furnace, 5. upper fire-grating, 6. air door, 7. lower fire grating, 8. ash hole, 9. dust collection chamber, 10. lower hearth, 11. lower hearth smokejacks, the horizontal heat exchange water pipe of 12. boiled water tanks group, 13. the boiled water tank water interlayer, 14. connecting pipelines, 15. smoke baffle plates, 16. sewage draining exit, 17. reservoirs, the horizontal heat exchange water pipe of 18. reservoirs group, 19. separation net, 20. charging apertures, 21. boiled water tanks, 22. relief valve, 23. boiled water tank smokejacks, 24. reservoir water interlayers, 25. the high efficiency filter material, 26. flue gas cleaners, 27. water inlets, 28. the reservoir exhaust opening, 29. air-introduced machines, 30. chimneys.
The specific embodiment
The utility model is described in further detail in conjunction with the specific embodiment with reference to accompanying drawing.
As shown in Figure 1, the utility model comprises boiler body 1, and in boiler body upper furnace 4 and lower hearth 10 setting up and down, between upper furnace 4 and lower hearth 10, be provided with upper fire-grating 5, lower hearth 10 belows are provided with dust collection chamber 9, be provided with lower fire grating 7 between lower hearth 10 and dust collection chamber 9, the body of heater front is provided with air door 6 and ash hole 8 communicates with lower hearth 10 and dust collection chamber 9 respectively.Upper furnace 4 passes straight through to boiler body 1 top and communicates with the external world, and inlet porting is charging aperture 20.When boiler normally moved, fuel directly added from the charging aperture 20 at boiler body top, and biomass block fuel is realized auto feed under Action of Gravity Field.The sidewall of lower hearth 10 is provided with smokejack 11 and is communicated with boiled water tank 21 inner chambers, and boiled water tank 21 is interconnected as flue with reservoir 17 inner chambers, and the exhaust opening 28 of reservoir 17 upper ends is connected to chimney 30 by pipeline and air-introduced machine 29.Being provided with connecting pipeline 14 below boiled water tank 21 is communicated with reservoir 17; Offer the boiling water delivery port 3 and the relief valve 22 that communicate with its internal water interlayer on the boiler body 1; Be provided with the water inlet 27 and the sewage draining exit 16 that communicate with its internal water interlayer on the reservoir 17.
As shown in Figure 2, be that A-A among Fig. 1 is to the sectional structure schematic diagram.The inner chamber of boiled water tank 21 is that boiled water tank smokejack 23 is communicated with reservoir 17 inner chambers as the flue upper end; Boiled water tank 21 inner chambers are provided with horizontal heat exchange water pipe group 12; Laterally the two ends of heat exchange water pipe group 12 are communicated with boiled water tank water interlayer 13 respectively.
As shown in Figure 3, be that B-B among Fig. 1 is to the sectional structure schematic diagram.Reservoir 17 inner chamber the first half become two spaces by smoke baffle plate 15 longitudinal subdivisions, and reservoir 17 inner chambers are provided with horizontal heat exchange water pipe group 18 and cross smoke baffle plate 15, and two ends are communicated with reservoir water interlayer 24 respectively.
As shown in Figure 4, be that C-C among Fig. 1 is to the sectional structure schematic diagram.Reservoir 17 inner chamber exhaust openings 28 places are provided with flue gas cleaner 26, built-in high efficiency filter material 25; Flue gas cleaner 26 lower ends and reservoir exhaust opening 28 places are provided with separation net 19.
The course of work of the present utility model is as follows, first biomass block fuel is added from boiler body 1 top-feed mouth 20, during boiler operatiopn, bottom priming from fuel, under the effect of air-introduced machine 29, the bottom briquette-fuel at first takes fire, flame is downward, the fuel that lighted this moment carries out primary combustion at upper furnace 4, and the hot fuel on the upper fire-grating 5 and unburnt particulate are under air-introduced machine 29 and Action of Gravity Field, drop downwards while burning, drop on the lower fire grating 7, imperfect combustion fuel particle burns away, and the soot particle of after-flame falls into dust collection chamber 9 from lower fire grating 7.Its heat exchange is carried out in boiler body 1, boiled water tank 21 and reservoir 17.The smokejack 11 of flue gas in lower hearth 10 in the burner hearth, enter boiled water tank 21 inner chambers, through with inner chamber in heat exchange water pipe group 12 discharge from boiled water tank smokejack 23 after carrying out heat exchange to emit heat and enter reservoir 17 inner chambers, flue gas enters flue gas cleaner 26 after the gap of passing heat exchange water pipe group 18 inside under the guiding of reservoir 17 inner chamber smoke baffle plates 15 emits the part heat again, through discharging from reservoir exhaust opening 28 after the processing of evolving, enter chimney 30 by air-introduced machine 29.
Claims (6)
1. Novel biomass anti-burning type water heating boiler, comprise boiler body (1), be provided with boiler water interlayer (2) at the boiler body inner chamber, be divided into upper furnace (4) and lower hearth (10), separate with upper fire-grating (5), lower hearth (10) below is provided with dust collection chamber (9), between lower hearth (10) and dust collection chamber (9), be provided with lower fire grating (7), the positive basifacial of body of heater is provided with air door (6) and ash hole (8), it is characterized in that: the sidewall of described lower hearth (10) is provided with smokejack (11) and is communicated with boiled water tank (21) inner chamber, the inner chamber of boiled water tank (21) is by connecting pipeline (14), boiled water tank smokejack (23) is connected as flue with the inner chamber of reservoir (17), and the exhaust opening that is provided with (28) of reservoir (17) upper end is connected to chimney (30) by pipeline and air-introduced machine (29).
2. a kind of Novel biomass anti-burning type water heating boiler according to claim 1, it is characterized in that: described upper furnace (4) passes straight through to boiler body (1) top and communicates with the external world, and air inlet is all charging aperture (20).
3. a kind of Novel biomass anti-burning type water heating boiler according to claim 1 is characterized in that: the horizontal heat exchange water pipe groups (12) of row more than described boiled water tank (21) inner chamber is provided with; Laterally heat exchange water pipe group (12) two ends are communicated with boiled water tank water interlayer (13) respectively.
4. a kind of Novel biomass anti-burning type water heating boiler according to claim 1, it is characterized in that: described reservoir (17) inner chamber is provided with a smoke baffle plate (15), vertically inner chamber is separated into two spaces.
5. a kind of Novel biomass anti-burning type water heating boiler according to claim 1, it is characterized in that: described reservoir (17) inner chamber also is provided with horizontal heat exchange water pipe group (18) and crosses smoke baffle plate (15), and two ends are communicated with reservoir water interlayer (24) respectively.
6. a kind of Novel biomass anti-burning type water heating boiler according to claim 1, it is characterized in that: described reservoir (17) epicoele exhaust opening (28) locates to be provided with flue gas cleaner (26) and built-in high efficiency filter material (25); Its flue gas cleaner (26) lower end and reservoir exhaust opening (28) locate to be equipped with separation net (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120433041 CN202757254U (en) | 2011-11-04 | 2011-11-04 | Novel biomass reverse-burning type hot water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120433041 CN202757254U (en) | 2011-11-04 | 2011-11-04 | Novel biomass reverse-burning type hot water boiler |
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| CN202757254U true CN202757254U (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201120433041 Expired - Fee Related CN202757254U (en) | 2011-11-04 | 2011-11-04 | Novel biomass reverse-burning type hot water boiler |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236081A (en) * | 2014-09-16 | 2014-12-24 | 昆山黑格特温控设备有限公司 | Tubular heating furnace device |
| CN104633917A (en) * | 2015-02-10 | 2015-05-20 | 金俊青 | Downward flame jet combustion energy-saving environment-friendly boiler and heat energy utilization method thereof |
| CN112273403A (en) * | 2020-12-04 | 2021-01-29 | 郴州宏基铭锐科技有限公司 | Multifunctional biomass fuel baking oven |
-
2011
- 2011-11-04 CN CN 201120433041 patent/CN202757254U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236081A (en) * | 2014-09-16 | 2014-12-24 | 昆山黑格特温控设备有限公司 | Tubular heating furnace device |
| CN104633917A (en) * | 2015-02-10 | 2015-05-20 | 金俊青 | Downward flame jet combustion energy-saving environment-friendly boiler and heat energy utilization method thereof |
| CN112273403A (en) * | 2020-12-04 | 2021-01-29 | 郴州宏基铭锐科技有限公司 | Multifunctional biomass fuel baking oven |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20131104 |