CN203784932U - Biomass boiler - Google Patents
Biomass boiler Download PDFInfo
- Publication number
- CN203784932U CN203784932U CN201420127434.3U CN201420127434U CN203784932U CN 203784932 U CN203784932 U CN 203784932U CN 201420127434 U CN201420127434 U CN 201420127434U CN 203784932 U CN203784932 U CN 203784932U
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- Prior art keywords
- biomass boiler
- grate
- combustion chamber
- slag
- fire grate
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Abstract
The utility model provides a biomass boiler. The biomass boiler comprises a boiler body, a hearth combustion chamber arranged inside the boiler body, a water-steam system above the combustion chamber, a fume exhaust opening communicated with the combustion chamber, an induced draft fan connected with the fume exhaust opening through a pipeline, as well as a traveling grate which is arranged at the bottom of the combustion chamber and extends toward the discharging direction, wherein a primary air inlet chamber is arranged below the grate; a second air inlet chamber is arranged above the grate; an electric spiral feeding device is arranged at the feeding part of the grate; an electric spiral slag discharging device is arranged at the discharging part of the tail end of the grate. The biomass boiler disclosed by the utility model has the advantages of simple structure, high heat efficiency, sufficient and stable combustion, low operation cost of the boiler and better energy-saving performance of saving energy by 10 percent compacted with fuel coal.
Description
Technical field
The utility model relates to a kind of biomass boiler, belongs to boiler technology field.
Background technology
Biomass fuel is regenerative resource, the at present applicable beyond doubt China of biomass fuel burning technology energy development demand, biomass boiler has more and more been paid attention to and has been researched and developed.
In prior art, in order more to effectively utilize biomass energy, extensively adopted the combustion technology of biological substance shaped granule, biomass fuel has progressively substituted coal, diesel oil, natural gases etc. are as the main fuel of present boiler combustion, because biomass fuel and other energy are such as coal, diesel oil, there is qualitative difference in natural gases etc., therefore at the feed of boiler, the aspects such as boiler structure design and fuel design all exist very large difference, if can not allow biological particles carry out fully and thoroughly burning in burner hearth, can coking in burner hearth, can shorten the service life of boiler like this.
Summary of the invention
Main purpose of the present utility model is to provide a kind of biomass boiler, simple in structure, and the thermal efficiency is high, sufficient combustion, stable, and boiler operatiopn cost is low, than fire coal, saves 10, more energy-conservation.
In order to achieve the above object, the utility model adopts following technical scheme: a kind of biomass boiler, comprise body of heater, be arranged on the fire box of body of heater inside, the water-steam system of top, combustion chamber, the exhaust opening being communicated with combustion chamber, by pipeline, follow the air-introduced machine that exhaust opening connects, the mobile grate extending to discharging direction that is arranged on bottom, combustion chamber, it is characterized in that: inlet air plenum is set one time below fire grate, secondary air chamber is set above fire grate; Fire grate charging place is provided with electric screw charging gear, and discharging place of fire grate end has electric screw deslagging device.
Preferably, also comprise control valve and air blast, control valve, once, between secondary air chamber and air blast.
Preferably, electric screw charging gear comprises: the pusher passage of the level being interconnected and the tapping channel of inclination, in pusher passage, be provided with the screw feeder being driven by variable-frequency motor, and the end of pusher passage is provided with the feed hopper with pusher channel connection.
Preferably, described deslagging device comprises Residue extraction pipeline, is longitudinally arranged on power transmission shaft and the helical blade in Residue extraction pipeline, described Residue extraction pipeline arranges slag inlet and slag notch, described power transmission shaft arranges drive unit, described defeated slag blade screw launches and is fixed on the periphery of power transmission shaft, also comprise and be positioned at Residue extraction pipeline outer setting at the turbine of slag input end, described turbine and power transmission shaft are in circumferencial direction secure fit, and slag inlet communicates with the burner hearth of boiler.
Preferably, slag notch place is provided with slag bucket.
Preferably, fire grate rear end is provided with stepped vault, can block dust certain in flue gas, effectively, by the high-temperature flue gas stream of fire grate rear end superjacent air space and excess air guiding combustion centre, makes burning more concentrated.
Preferably, burner hearth and vault are built into by refractory brick.
The beneficial effects of the utility model are: (1) the utility model adopts refractory brick to make burner hearth, so stove chamber inner combustion temperature is high again, burn continuously all burning-tolerant stoves, indeformable, can also prevent the burn into corruption of biomass fuel to burner hearth, make this steam boiler life-span long, can the burning of peak load ground.
(2) the utility model is established secondary air, and more sufficient oxygen is provided, and further improves the combustion efficiency of biological particles, thereby reduces biological particles heat loss due to incomplete combustion; Guaranteed the abundant burning of fuel.
(3) arranging of stepped vault can be blocked dust certain in flue gas, effectively, by the high-temperature flue gas stream of fire grate rear end superjacent air space and excess air guiding combustion centre, makes burning more concentrated.
(4) by adopting the design of helix transporting device and variable-frequency motor, can adjust feeding according to combustion efficiency and air distribution situation
Speed, thus make biological particles can be evenly, completing combustion, and can realize the automation of mechanical transfer the fuel.
(5) described deslagging device structure can guarantee enough defeated slag power, and slag notch opening is little, has reduced in burner hearth and extraneous heat exchange.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment boiler structure schematic diagram.
Description of symbols in Fig. 1 is as follows: 1-body of heater, 2-combustion chamber, 3-fire grate, inlet air plenum of 4-, 5-secondary air chamber, 6-charging gear, 7-feed hopper, 8-vault, 9-upper drum, 10-lower drum, 11-motor, 12-air inlet, 13-deslagging device.
Fig. 2 is the structural representation of deslagging device in Fig. 1.
Description of symbols in Fig. 2 is as follows: 14-Residue extraction pipeline, 15-power transmission shaft, 16-blade, 17-slag inlet, 18-slag notch, 19-motor, 20-turbine, 21-slag input end, 22-slag output end.
The specific embodiment
The realization of the utility model object, functional characteristics and beneficial effect, be described further below in conjunction with specific embodiment and accompanying drawing.
Below in conjunction with the drawings and specific embodiments, technical scheme described in the utility model is described in further detail, so that those skilled in the art can better understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1, the utility model embodiment biomass boiler, comprise body of heater 1, be arranged on the fire box 2 of body of heater inside, the water-steam system of top, combustion chamber, the exhaust opening being communicated with combustion chamber, by pipeline, follow the air-introduced machine (not shown in the figures meaning out) that exhaust opening connects, the mobile grate 3 extending to discharging direction that is arranged on bottom, combustion chamber, inlet air plenum 4 is set one time below fire grate, secondary air chamber 5 is set above fire grate; Fire grate charging place is provided with electric screw charging gear 6, and discharging place of fire grate end has electric screw deslagging device 13.On the first blast pipe, the second blast pipe, be provided with control valve, control valve is (not shown in the figures meaning out) between inlet air plenum and air blast.
Electric screw charging gear 6 comprises: the pusher passage of the level being interconnected and the tapping channel of inclination, in pusher passage, be provided with the screw feeder being driven by variable-frequency motor 11, and the end of pusher passage is provided with the feed hopper 7 with pusher channel connection.
The outlet below of described tapping channel is provided with air inlet 12, can guarantee to dispel biomass material.
As shown in Figure 2, described deslagging device 13 comprises Residue extraction pipeline 14, is longitudinally arranged on power transmission shaft 15 and the helical blade 16 in Residue extraction pipeline, described Residue extraction pipeline 14 arranges slag inlet 17 and slag notch 18, described power transmission shaft 15 arranges driving device motor 19, described defeated slag blade 16 spirals launch and are fixed on the periphery of power transmission shaft 15, also comprise and be positioned at Residue extraction pipeline outer setting at the turbine 20 of slag input end 21, described turbine 20 is with power transmission shaft 15 in circumferencial direction secure fit, and slag inlet 17 communicates with the fire box 2 of boiler.
Described slag notch 18 places are provided with slag bucket (not shown in the figures meaning out), due to the continuous one-way movement of biomass-burning steam boiler movable furnace grate plate, by biological particles from fire grate slowly by after forward direction, move from top to bottom, last afterburnt lime-ash falls to slag bucket.
Fire grate rear end is provided with stepped vault 8, can block dust certain in flue gas, effectively, by the high-temperature flue gas stream of fire grate rear end superjacent air space and excess air guiding combustion centre, makes burning more concentrated.
In body of heater, also comprise upper drum 9, lower drum 10 and convection bank, biomass fuel is after stove chamber inner combustion, and high warm flue gas carries out heat exchange by the convection bank being arranged between upper drum 9 and lower drum 10, improves the heat utilization of biomass boiler.
Fire box 2 and vault 8 are built into by refractory brick.
Claims (7)
1. a biomass boiler, comprise body of heater, be arranged on the fire box of body of heater inside, the water-steam system of top, combustion chamber, the exhaust opening being communicated with combustion chamber, by pipeline, follow the air-introduced machine that exhaust opening connects, the mobile grate extending to discharging direction that is arranged on bottom, combustion chamber, it is characterized in that: inlet air plenum is set one time below fire grate, secondary air chamber is set above fire grate; Fire grate charging place is provided with electric screw charging gear, and discharging place of fire grate end has electric screw deslagging device.
2. biomass boiler according to claim 1, is characterized in that: also comprise control valve and air blast, control valve, once, between secondary air chamber and air blast.
3. biomass boiler according to claim 1, it is characterized in that: electric screw charging gear comprises: the pusher passage of the level being interconnected and the tapping channel of inclination, in pusher passage, be provided with the screw feeder being driven by variable-frequency motor, the end of pusher passage is provided with the feed hopper with pusher channel connection.
4. biomass boiler according to claim 1, it is characterized in that: described deslagging device comprises Residue extraction pipeline, is longitudinally arranged on power transmission shaft and the helical blade in Residue extraction pipeline, described Residue extraction pipeline arranges slag inlet and slag notch, described power transmission shaft arranges drive unit, helical blade spiral launches and is fixed on the periphery of power transmission shaft, also comprise and be positioned at Residue extraction pipeline outer setting at the turbine of slag input end, described turbine and power transmission shaft are in circumferencial direction secure fit, and slag inlet communicates with the burner hearth of boiler.
5. biomass boiler according to claim 4, is characterized in that: slag notch place is provided with slag bucket.
6. biomass boiler according to claim 1, is characterized in that: fire grate rear end is provided with stepped vault.
7. biomass boiler according to claim 6, is characterized in that: burner hearth and vault are built into by refractory brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420127434.3U CN203784932U (en) | 2014-03-20 | 2014-03-20 | Biomass boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420127434.3U CN203784932U (en) | 2014-03-20 | 2014-03-20 | Biomass boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203784932U true CN203784932U (en) | 2014-08-20 |
Family
ID=51321112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420127434.3U Expired - Fee Related CN203784932U (en) | 2014-03-20 | 2014-03-20 | Biomass boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203784932U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836613A (en) * | 2014-03-20 | 2014-06-04 | 浙江中吉新能源有限公司 | Biomass boiler |
| CN107101219A (en) * | 2017-04-13 | 2017-08-29 | 安徽鼎梁生物能源科技开发有限公司 | A kind of circulation air path device of biomass boiler |
| CN107101196A (en) * | 2017-04-13 | 2017-08-29 | 安徽鼎梁生物能源科技开发有限公司 | A kind of biomass boiler |
| CN108644759A (en) * | 2018-05-11 | 2018-10-12 | 泰州市明德科技服务有限公司 | Biomass fuel boiler intelligence control system |
| CN108870375A (en) * | 2018-05-11 | 2018-11-23 | 泰州市明德科技服务有限公司 | Biomass fuel high heat efficient boiler |
| CN109539238A (en) * | 2018-11-14 | 2019-03-29 | 苏大伟 | A kind of efficient biomass fueled steam boiler |
-
2014
- 2014-03-20 CN CN201420127434.3U patent/CN203784932U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836613A (en) * | 2014-03-20 | 2014-06-04 | 浙江中吉新能源有限公司 | Biomass boiler |
| CN107101219A (en) * | 2017-04-13 | 2017-08-29 | 安徽鼎梁生物能源科技开发有限公司 | A kind of circulation air path device of biomass boiler |
| CN107101196A (en) * | 2017-04-13 | 2017-08-29 | 安徽鼎梁生物能源科技开发有限公司 | A kind of biomass boiler |
| CN108644759A (en) * | 2018-05-11 | 2018-10-12 | 泰州市明德科技服务有限公司 | Biomass fuel boiler intelligence control system |
| CN108870375A (en) * | 2018-05-11 | 2018-11-23 | 泰州市明德科技服务有限公司 | Biomass fuel high heat efficient boiler |
| CN109539238A (en) * | 2018-11-14 | 2019-03-29 | 苏大伟 | A kind of efficient biomass fueled steam boiler |
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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: 20140820 Termination date: 20200320 |