CN105387450A - Biomass multistage vortex burner - Google Patents
Biomass multistage vortex burner Download PDFInfo
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- CN105387450A CN105387450A CN201510770975.7A CN201510770975A CN105387450A CN 105387450 A CN105387450 A CN 105387450A CN 201510770975 A CN201510770975 A CN 201510770975A CN 105387450 A CN105387450 A CN 105387450A
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- biomass
- dust
- firing chamber
- multistage vortex
- stage firing
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Abstract
The invention discloses a biomass multistage vortex burner. The biomass multistage vortex burner is characterized by comprising a feeding mechanism, an air blowing mechanism, an ignition mechanism, a dust collecting mechanism, a first-stage combustor and a second-stage combustor; the feeding mechanism is connected to the first-stage combustor and used for feeding biomass fuel into the first-stage combustor; the first-stage combustor is a horizontally-arranged cylindrical cavity with the round section; the second-stage combustor is a vertically-arranged cavity, wherein the bottom of the second-stage combustor is conical, and the upper portion of the second-stage combustor is columnar; the first-stage combustor is perpendicularly connected to the second-stage combustor; the air blowing mechanism is connected to the first-stage combustor and the second-stage combustor through a plurality of air inlet pipes; and vortex plates are arranged in the first-stage combustor and the second-stage combustor respectively and used for forming a rotation air duct and a spiral flame runner. The biomass multistage vortex burner is compact in structure; and as fuel flows through the three stages of combustors and is burnt layer by layer, sufficient burning can be achieved; and in addition, air blowing oxygen supplementing is carried out many times in the burning process, the heat conversion efficiency is high, and environment protection is facilitated.
Description
Technical field
The present invention be more particularly directed to a kind of biomass multistage vortex burner, belong to industrial heating technical field.
Background technology
What biomass burner burnt is utilize all agricultural such as stalk, paddy rice stalk, yule logs, wood chip, peanut shell, melon seed cases, beet pulp, bark to discard crop, through being pulverized and mixed the techniques such as extruding oven dry, finally makes granular fuel.Biomass granule fuel is compressing by regeneration data agriculture and forestry organic waste material, avoid existing because the traffic aviation safety that these regenerate data agriculture and forestry organic waste materials and the destruction of the environmental pollution of initiation of directly being burnt, fire disaster, soil texture and combustion fumes cause cannot be processed, increase peasant employment and improve farmers' income, be conducive to the sustainable development that developing modern agriculture realizes agricultural.This fuel combustion time is long, and overheavy firing fire box temperature is high, economical and practical, and environmental pollution is very low simultaneously, CO2 zero-emission, SO2 zero-emission, belongs to regenerative resource, reusable edible, can replace timber, coal, oil, natural gas, thus facilitates the development of biomass combustion device accordingly.In recent years, the development and utilization of biomass energy is more and more subject to people's attention, and is progressively promoted and applies.But at present in vast rural area, most peasants is still fuel with agricultural crop straw, to make a fire heating of cooking with native stove, because in stalk, volatile matter content is higher, when burning, black smoke can be formed because combustion air is not enough and emerging, not only contaminated environment, and can health be damaged.Therefore, provide a kind of easy to use, environmental protection, efficient, energy-conservation biomass burner is the desired problems solved of people.
Summary of the invention
Main purpose of the present invention is to provide a kind of biomass multistage vortex burner, it at least has, and structure is simple, fuel combustion is abundant, the thermal efficiency is high, use health, convenience, environmental protection, the advantage such as efficient, thus overcome deficiency of the prior art.
For achieving the above object, present invention employs following technical scheme:
A kind of biomass multistage vortex burner, is characterized in that, comprise feeding mechanism, Blast mechanism, ignition mechanism, dust-collecting mechanism, first-stage firing chamber and secondary combustion chamber;
Described feeding mechanism is connected to first-stage firing chamber, for biomass fuel is sent into first-stage firing chamber;
Described first-stage firing chamber is the cross section of horizontal positioned is circular cylindrical cavity;
That to be the bottom of vertically placing be is tapered in described secondary combustion chamber, top is the cavity of column type; Described first-stage firing chamber is vertically connected at secondary combustion chamber;
Described Blast mechanism is connected to first-stage firing chamber and secondary combustion chamber, for oxygenating of burning by some blast pipes;
The wind that described Blast mechanism produces enters described first-stage firing chamber and the indoor air channel along cavity inner wall rotary spirality of secondary firing;
The lower end of described first-stage firing chamber and secondary combustion chamber is all connected with dust-collecting mechanism, for the residual dust after biomass collection fuel combustion.
One of preferably, described single-stage combustion indoor are provided with grate, for placing the biomass fuel ignited; Described grate side is connected to described ignition mechanism, and described ignition mechanism comprises ignitron and igniter.
One of preferably, the upper end of described ignitron is provided with the first whirlwind blast pipe, oxygenating during for lighting a fire.
One of preferably, the barrel of described first-stage firing chamber is tangentially provided with the second whirlwind blast pipe, oxygenating during for burning.
Second whirlwind blast pipe can be selected to install 1-2 as required, and installation site is about 10cm place in described grate front.
One of preferably, described second whirlwind blast pipe and horizontal direction are provided with angle α, and described angle α is 10-20 °.
One of preferably, described feeding mechanism comprises:
Hopper, prevents putting biomass fuel for adding;
Be located at the feed worm below hopper outlet, for biomass fuel is sent into first-stage firing chamber; Feed worm is driven by charging motor.
Described feed worm front end is provided with several air intake apertures, for oxygenating of burning;
Lock material air valve, for isolating biomass fuel, is located at the front of feed worm.
One of preferably, be provided with the 3rd blast pipe of the thermal insulation layer being connected to first-stage firing chamber below described feeding mechanism, for preventing heat blowback and burning oxygenating.The side be located near feeding mechanism of the thermal insulation layer of first-stage firing chamber.
One of preferably, being also provided with the clean blast pipe of picture top blowing bottom described secondary combustion chamber, above dust-collecting mechanism, preventing dust from overstocking blocking for blowing afloat dust.Clean blast pipe is selected to open or close as required.
One of preferably, the air intake aperture of described first whirlwind blast pipe, the second whirlwind blast pipe, feed worm, the 3rd blast pipe, clean blast pipe are connected to five blast orifices of described Blast mechanism.
At cyclone plate with under repeatedly rousing wind action, flame forms High Rotation Speed flame after entering cyclone combustion chamber, by centrifugal force, ash content is thrown away away, ash content to migrate out outside combustion chamber and falls into dust-collecting mechanism by success, eliminate special ash removing mechanism, achieve the continuous automatic combustion of high ash biomass fuel and stable and reliable working performance.
One of preferably, described dust-collecting mechanism comprising dust compartment, being placed on the dust-collecting box in dust compartment and the plate for clearing up dust, and described plate is positioned over the upper end of described dust-collecting box, and described plate and dust-collecting box can be extracted out in dust compartment.
One of preferably, also comprise three grades of combustion chambers, be communicated in described secondary combustion chamber; That to be bottom be in described three grades of combustion chambers is tapered, top is the cavity of column type, and upper chamber is tangentially communicated with into fire tube; Also be provided with tubular fire-outtaking tube in the middle of top, described three grades of combustion chambers, be provided with cooling housing outside described fire-outtaking tube, described cooling housing is tangentially communicated with cooling tube, for the cold medium that circulates.
The communicating pipe of three grades of combustion chambers and secondary combustion chamber is also provided with one and sees burner, internal-combustion situation can be observed at any time.
One of preferably, described first-stage firing chamber upper end is communicated with return air square tube.
One of preferably, the sidewall connection of described secondary combustion chamber is provided with access door and sees burner.
One of preferably, described biomass multistage vortex burner outside is also provided with closed heat insulation shell.Choice for use cold water or cold air heat exchange can be carried out as required in heat insulation shell.
Beneficial effect:
Compared with prior art, advantage of the present invention is at least: this biomass multistage vortex burner
Compact conformation, volume is little, and fuel can sufficient combustion after burning layer by layer behind three grades of combustion chambers, and repeatedly air blast oxygenating in combustion process, thermal conversion efficiency is high, and is conducive to environmental protection, and automatically can collect ash, convenient process.
The present invention can be applied in all places needing heat supply, and biomass fuel can select the bio-fuel except as plants (except coal, oil, gas) such as reed material, straw, balloonflower roots, and more environmental protection is pollution-free.
Accompanying drawing explanation
Fig. 1 is the structural representation of a preferred embodiment of the present invention;
Fig. 2 is the front view of first-stage firing chamber of the present invention and secondary combustion chamber;
Fig. 3 is the profile of first-stage firing chamber of the present invention and secondary combustion chamber;
Fig. 4 is the profile of three grades of combustion chambers of the present invention;
Fig. 5 is the top view of three grades of combustion chambers of the present invention;
1, feeding mechanism, 2, Blast mechanism, 3, ignition mechanism, 4, dust-collecting mechanism, 5, first-stage firing chamber, 6, secondary combustion chamber, 7, three grades of combustion chambers, 8, air channel,
11, hopper, 12, feed worm, 13, charging motor, 14, air intake aperture, 15, lock material air valve;
21, blast orifice;
31, ignitron, 32, igniter;
41, dust compartment, 42, dust-collecting box, 43, plate;
51, grate, the 52, first whirlwind blast pipe, the 53, second whirlwind blast pipe, the 54, the 3rd blast pipe, 55, return air square tube, 56, thermal insulation layer;
61, clean blast pipe, 62, access door, 63, see burner
71, fire tube is entered, 72, fire-outtaking tube, 73, cooling housing, 74, cooling tube.
Detailed description of the invention
Below in conjunction with accompanying drawing and a preferred embodiment, technical scheme of the present invention is further described.
Consult Fig. 1-Fig. 2, a kind of biomass multistage vortex burner, is characterized in that, comprises feeding mechanism 1, Blast mechanism 2, ignition mechanism 3, dust-collecting mechanism 4, first-stage firing chamber 5 and secondary combustion chamber 6;
Described feeding mechanism 1 is connected to first-stage firing chamber 5, for biomass fuel is sent into first-stage firing chamber 5;
Described first-stage firing chamber 5 is the cross section of horizontal positioned is circular cylindrical cavity;
That to be the bottom of vertically placing be is tapered in described secondary combustion chamber 6, top is the cavity of column type; Described first-stage firing chamber 5 is vertically connected at secondary combustion chamber 6;
Described Blast mechanism 2 is connected to first-stage firing chamber 5 and secondary combustion chamber 6, for oxygenating of burning by some blast pipes;
The wind that described Blast mechanism 2 produces enters the air channel 8 along cavity inner wall rotary spirality in described single-stage combustion 5 Room and secondary combustion chamber 6;
The lower end of described first-stage firing chamber 5 and secondary combustion chamber 6 is all connected with dust-collecting mechanism 4, for the residual dust after biomass collection fuel combustion.
One of preferably, be provided with grate 51 in described first-stage firing chamber 5, for placing the biomass fuel ignited; Described grate 51 side is connected to described ignition mechanism 3, and described ignition mechanism comprises ignitron 31 and igniter 32.
One of preferably, the upper end of described ignitron 31 is provided with the first whirlwind blast pipe 52, oxygenating during for lighting a fire.
One of preferably, the barrel of described first-stage firing chamber 5 is tangentially provided with the second whirlwind blast pipe 53, oxygenating during for burning.
Second whirlwind blast pipe 53 can be selected to install 1-2 as required, and installation site is about 10cm place in described grate 51 front.
One of preferably, described second whirlwind blast pipe 53 is provided with angle α with horizontal direction, and described angle α is 10-20 °.
One of preferably, described feeding mechanism comprises:
Material 11, prevents putting biomass fuel for adding;
Be located at the feed worm 12 that hopper 11 exports below, for biomass fuel is sent into first-stage firing chamber 5; Feed worm 12 is driven by charging motor 13.
Described feed worm 12 front end is provided with several air intake apertures 14, for oxygenating of burning;
Lock material air valve 15, for isolating biomass fuel, is located at the front of feed worm 12.
One of preferably, be provided with the 3rd blast pipe 54 of the thermal insulation layer being connected to first-stage firing chamber 5 below described feeding mechanism 1, for preventing heat blowback and burning oxygenating.The side be located near feeding mechanism 1 of the thermal insulation layer 56 of first-stage firing chamber 5.
One of preferably, being also provided with the clean blast pipe 61 of picture top blowing bottom described secondary combustion chamber 6, above dust-collecting mechanism 4, preventing dust from overstocking blocking for blowing afloat dust.Clean blast pipe 61 is selected to open or close as required.
One of preferably, the air intake aperture 14 of described first whirlwind blast pipe 52, second whirlwind blast pipe 53, feed worm, the 3rd blast pipe 54, clean blast pipe 61 are connected to five blast orifices 21 of described Blast mechanism 2.
At cyclone plate with under repeatedly rousing wind action, flame forms High Rotation Speed flame after entering cyclone combustion chamber, by centrifugal force, ash content is thrown away away, ash content to migrate out outside combustion chamber and falls into dust-collecting mechanism by success, eliminate special ash removing mechanism, achieve the continuous automatic combustion of high ash biomass fuel and stable and reliable working performance.
One of preferably, described dust-collecting mechanism 4 comprising dust compartment 41, being placed on the dust-collecting box 42 in dust compartment 41 and the plate 43 for clearing up dust, described plate 43 is positioned over the upper end of described dust-collecting box 42, and described plate 43 and dust-collecting box 42 can be extracted out in dust compartment 41.
One of preferably, also comprise three grades of combustion chambers 7, be communicated in described secondary firing, 6; Described three grades of combustion chambers 7 are tapered, top in bottom is the cavity of column type, and upper chamber is tangentially communicated with into fire tube 71; Also be provided with tubular fire-outtaking tube 72 in the middle of described three grades of burning 7 tops, be provided with cooling housing 73 outside described fire-outtaking tube 72, the tangential connection cooling tube 74 of described cooling housing 73, for the cold medium that circulates.
The communicating pipe of three grades of combustion chambers and secondary combustion chamber is also provided with one and sees burner, internal-combustion situation can be observed at any time.
One of preferably, described first-stage firing chamber upper end is communicated with return air square tube.
One of preferably, the sidewall connection of described secondary combustion chamber is provided with access door and sees burner.
One of preferably, described biomass multistage vortex burner outside is also provided with closed heat insulation shell.Choice for use cold water or cold air heat exchange can be carried out as required in heat insulation shell.
It is to be noted, although embodiment of the present invention are open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (14)
1. a biomass multistage vortex burner, is characterized in that, comprises feeding mechanism, Blast mechanism, ignition mechanism, dust-collecting mechanism, first-stage firing chamber and secondary combustion chamber;
Described feeding mechanism is connected to first-stage firing chamber, for biomass fuel is sent into first-stage firing chamber;
Described first-stage firing chamber is the cross section of horizontal positioned is circular cylindrical cavity;
That to be the bottom of vertically placing be is tapered in described secondary combustion chamber, top is the cavity of column type; Described first-stage firing chamber is vertically connected at secondary combustion chamber;
Described Blast mechanism is connected to first-stage firing chamber and secondary combustion chamber, for oxygenating of burning by some blast pipes;
Wind enters described first-stage firing chamber and the indoor air channel along cavity inner wall rotary spirality of secondary firing;
The lower end of described first-stage firing chamber and secondary combustion chamber is all connected with dust-collecting mechanism, for the residual dust after biomass collection fuel combustion.
2. biomass multistage vortex burner according to claim 1, is characterized in that, described single-stage combustion indoor are provided with grate, for placing the biomass fuel ignited; Described grate side is connected to described ignition mechanism, and described ignition mechanism comprises ignitron and igniter.
3. biomass multistage vortex burner according to claim 2, is characterized in that, the upper end of described ignitron is provided with the first whirlwind blast pipe, oxygenating during for lighting a fire.
4. biomass multistage vortex burner according to claim 2, is characterized in that, the barrel of described first-stage firing chamber is tangentially provided with the second whirlwind blast pipe, oxygenating during for burning.
5. biomass multistage vortex burner according to claim 4, is characterized in that, described second whirlwind blast pipe and horizontal direction are provided with angle α, and described angle α is 10-20 °.
6. biomass multistage vortex burner according to claim 1, is characterized in that, described feeding mechanism comprises:
Hopper, prevents putting biomass fuel for adding;
Be located at the feed worm below hopper outlet, for biomass fuel is sent into first-stage firing chamber;
Described feed worm front end is provided with several air intake apertures, for oxygenating of burning;
Lock material air valve, for isolating biomass fuel, is located at the front of feed worm.
7. biomass multistage vortex burner according to claim 1, is characterized in that, is provided with the 3rd blast pipe of the thermal insulation layer being connected to first-stage firing chamber below described feeding mechanism, for preventing heat blowback and burning oxygenating; The side be located near feeding mechanism of the thermal insulation layer of described first-stage firing chamber.
8. biomass multistage vortex burner according to claim 1, is characterized in that, is also provided with the clean blast pipe of picture top blowing bottom described secondary combustion chamber, above dust-collecting mechanism, prevents dust from overstocking blocking for blowing afloat dust.
9. the biomass multistage vortex burner according to claim 3-8, it is characterized in that, the air intake aperture of described first whirlwind blast pipe, the second whirlwind blast pipe, feed worm, the 3rd blast pipe, clean blast pipe are connected to five blast orifices of described Blast mechanism.
10. biomass multistage vortex burner according to claim 1, it is characterized in that, described dust-collecting mechanism comprising dust compartment, being placed on the dust-collecting box in dust compartment and the plate for clearing up dust, described plate is positioned over the upper end of described dust-collecting box, and described plate and dust-collecting box can be extracted out in dust compartment.
11. biomass multistage vortex burners according to claim 1, is characterized in that, also comprise three grades of combustion chambers, are communicated in described secondary combustion chamber; That to be bottom be in described three grades of combustion chambers is tapered, top is the cavity of column type, and upper chamber is tangentially communicated with into fire tube; Also be provided with tubular fire-outtaking tube in the middle of top, described three grades of combustion chambers, be provided with cooling housing outside described fire-outtaking tube, described cooling housing is tangentially communicated with cooling tube, for the cold medium that circulates.
12. biomass multistage vortex burners according to claim 1, is characterized in that, described first-stage firing chamber upper end is communicated with return air square tube.
13. biomass multistage vortex burners according to claim 1, is characterized in that, the sidewall connection of described secondary combustion chamber is provided with access door and sees burner.
14. biomass multistage vortex burners according to claim 1, is characterized in that, described biomass multistage vortex burner outside is also provided with closed heat insulation shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510770975.7A CN105387450A (en) | 2015-11-12 | 2015-11-12 | Biomass multistage vortex burner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510770975.7A CN105387450A (en) | 2015-11-12 | 2015-11-12 | Biomass multistage vortex burner |
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| CN105387450A true CN105387450A (en) | 2016-03-09 |
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| CN201510770975.7A Pending CN105387450A (en) | 2015-11-12 | 2015-11-12 | Biomass multistage vortex burner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375149A (en) * | 2021-06-29 | 2021-09-10 | 徐州市元亨新能源开发有限公司 | Tangential air intake swirling flow suspension combustion biomass burner |
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| JP5771346B1 (en) * | 2015-03-20 | 2015-08-26 | フルタ電機株式会社 | Wood pellet heater and its combustion method |
| CN205424892U (en) * | 2015-11-12 | 2016-08-03 | 苏州艾克玛能源科技有限公司 | Multistage cyclone -furnace firing ware of living beings |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2689067Y (en) * | 2004-02-20 | 2005-03-30 | 云南电力建设工程服务有限公司 | Rice husk carburizing furnace by bubbling bed combustion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113375149A (en) * | 2021-06-29 | 2021-09-10 | 徐州市元亨新能源开发有限公司 | Tangential air intake swirling flow suspension combustion biomass burner |
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Application publication date: 20160309 |