CN102748777B - Biconical cyclone type efficient biomass furnace - Google Patents
Biconical cyclone type efficient biomass furnace Download PDFInfo
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- CN102748777B CN102748777B CN201210261270.9A CN201210261270A CN102748777B CN 102748777 B CN102748777 B CN 102748777B CN 201210261270 A CN201210261270 A CN 201210261270A CN 102748777 B CN102748777 B CN 102748777B
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- 239000002028 Biomass Substances 0.000 title claims abstract description 32
- 238000002485 combustion reaction Methods 0.000 claims abstract description 63
- 230000000903 blocking effect Effects 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000000779 smoke Substances 0.000 claims abstract description 15
- 210000000038 chest Anatomy 0.000 claims description 44
- 239000000945 filler Substances 0.000 claims description 26
- 239000003818 cinder Substances 0.000 claims description 11
- 230000009970 fire resistant effect Effects 0.000 claims description 6
- 235000012489 doughnuts Nutrition 0.000 claims description 5
- 239000000446 fuel Substances 0.000 abstract description 33
- 239000000126 substance Substances 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 32
- 239000003546 flue gas Substances 0.000 description 30
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 11
- 239000001301 oxygen Substances 0.000 description 11
- 229910052760 oxygen Inorganic materials 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 239000002956 ash Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000010902 straw Substances 0.000 description 6
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 239000003610 charcoal Substances 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 3
- 238000010411 cooking Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 235000016693 dipotassium tartrate Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- AVTYONGGKAJVTE-OLXYHTOASA-L potassium L-tartrate Chemical compound [K+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O AVTYONGGKAJVTE-OLXYHTOASA-L 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
A biconical cyclone type efficient biomass furnace comprises an outer furnace hearth, an inner furnace hearth, an upper cyclone fire guiding device, a lower cyclone fire guiding device, an arc-shaped fire blocking plate and a boiler ring, wherein the upper cyclone fire guiding device is formed by evenly arranging a plurality of upper fire guiding blades on a fire guiding wall along the same circumference, the lower cyclone fire guiding device is formed by arranging a plurality of lower fire guiding blades on a cylindrical combustion cavity along the same circumference, the back surface of the arc-shaped fire blocking plate is opposite to a smoke inlet of a flue, the bottom of the arc-shaped fire blocking plate is contacted with an upper covering plate, and the top of the arc-shaped fire blocking plate is arranged under the boiler ring which comprises a large boiler ring, a middle boiler ring and a fire sealing cover which are matched with each other. The biconical cyclone type efficient biomass furnace is provided with the two cyclone fire guiding devices, prolongs the staying time of high-temperature smoke in the furnace, slows down combustion, fully combusts carbon in fuel and combustible substances in smoke, reduces discharging concentration of harmful substances generated during combustion and is safe and environment-friendly.
Description
Technical field
The present invention relates to a kind of stove and accessory, relate in particular to a kind of biconial cyclone type efficient biomass stove and accessory, be specifically applicable to improve the efficiency of combustion of fuel.
Background technology
Traditional rural area cooking stove is manual masonry structure of piling up mostly, and building technology is coarse, and coal or living beings, because burning is insufficient, discharge a large amount of dense smoke, and the room air pollution causing has become a blight that threatens human health.Along with countries in the world are more and more paid close attention to energy efficiency and air-polluting, and the raising of the urbanization of Chinese countryside and life of farmers level, traditional cooking heating stove and the combustion system of its poor efficiency can not be satisfied the demand.Domestic efficient biomass stove with low emission not only can reduce the consumption of coal, reduces pollutant emission, improves IAQ, and can utilize discarded biomass resource, and fuel saving, turns waste into wealth; Can improve peasant's quality of life, promote healthy simultaneously; Realize energy-saving and emission-reduction, promote building Socialist New.
Chinese patent Granted publication number is CN2545502Y, Granted publication day is that the utility model patent on April 16th, 2003 discloses a kind of high-energy stalk-fired stove, it is on columniform body of heater, a short cylindrical shape seal closure larger than furnace diameter is set, by the burner hearth of its body of heater, be arranged to that bore is large above, the little reducing cylinder of bore below, or straight tube, there is charge door in burner hearth upper end, there is gray-drawing port lower end, fire door upper edge periphery is cast with cyclone blade and is drilled with secondary intake opening, furnace bottom has secondary air inlet, in upper seal closure, be provided with heat-insulation layer and barrier pyrosphere, be welded in downwards on fire door plate, upwards be fastened on upper cover great circle, on fire door, be provided with swingfire fire door, upper cover stove circle adapter ring bottom is cast with the orderly stove circle of downward arrangement and hinders warm blade, on outer casing, there is outlet flue, upper cover is by fire door plate, soldered on the interior thorax of shaft.Although this utility model can improve the efficiency of combustion of fuel to a certain extent, it still has following defect:
Although the design of swingfire fire door has extended the time of staying of high-temperature flue gas in stove in this utility model, can improve the efficiency of combustion of fuel, but still can not make full combustion of fuel, thereby cause waste and the environmental pollution of the energy.
Summary of the invention
The object of the invention is to overcome the problem that can not make full combustion of fuel in prior art, a kind of biconial cyclone type efficient biomass stove and accessory that can make full combustion of fuel is provided.
For realizing above object, technical solution of the present invention is:
A kind of biconial cyclone type efficient biomass stove and accessory, comprise furnace external chamber, thorax and fire grate in stove, the top of described furnace external chamber is connected with pot circle, the bottom of furnace external chamber is connected with stove seat, the inside of furnace external chamber is coaxially arranged with thorax in stove, in stove, the top of thorax is connected with the sidewall of furnace external chamber by upper cover plate, on furnace external chamber sidewall, nearly pot circle place is provided with flue, be positioned at upper cover plate, on the inwall of the furnace external chamber between pot circle, be provided with fire-resistant mud layer, in described stove, the bottom of thorax is provided with fire grate, the bottom of fire grate is connected with furnace external chamber by lower clapboard, the below of fire grate is provided with grey chamber, in stove, on thorax sidewall, nearly upper cover plate place is provided with whirlwind and leads fiery device, in stove, on thorax sidewall, be provided with multiple combustion air holes that communicate with secondary air duct, furnace external chamber, in stove, between thorax, be formed with secondary air duct, on furnace external chamber, be provided with charge door, the arranged outside of charge door has reinforced lid, the inner side of charge door communicates with thorax in stove, it is characterized in that:
Described biomass furnace also comprises that lower whirlwind leads fiery device;
In described stove, thorax comprises taper combustion-supporting, cylindricality combustion chamber and leads fiery wall, described top of leading fiery wall is connected with the sidewall of furnace external chamber by upper cover plate, lead the bottom of fiery wall and the top of tapered combustion-supporting is connected, the bottom of tapered combustion-supporting is connected with the top of cylindricality combustion chamber, the bottom of cylindricality combustion chamber is provided with cinder catcher, and the bottom of cinder catcher is connected with fire grate;
On described inwall of leading fiery wall, be provided with whirlwind and lead fiery device, on the inwall of described cylindricality combustion chamber, be provided with lower whirlwind and lead fiery device.
Described upper whirlwind is led fiery device and is comprised on multiple and lead fiery blade, leads fiery blade along same even circumferential setting on described.
The quantity of leading fiery blade on described is 20 of 10 –; On described, lead fiery blade and be crescent shape, its Breadth Maximum is 10mm – 25mm, above leads between fiery blade and horizontal plane and is formed with and leads fiery blade horizontal sextant angle, and leading fiery blade horizontal sextant angle on described is that 30 Du – 45 spend.
The height that described upper whirlwind is led fiery device equates with the height of leading fiery wall.
Described lower whirlwind is led fiery device and is comprised under multiple and lead fiery blade, leads fiery blade along same even circumferential setting under described.
The quantity of leading fiery blade under described is 20 of 10 –; Under described, lead fiery blade and be crescent shape, its Breadth Maximum is 10mm – 25mm, under lead under being formed with between fiery blade and horizontal plane and lead fiery blade horizontal sextant angle, leading fiery blade horizontal sextant angle under described is that 30 Du – 45 spend.
The height that described lower whirlwind is led fiery device is 1/3 – 1/2 of cylindricality combustion chamber height.
Described combustion air hole comprises upper air inlet hole, middle fresh air inlet and lower fresh air inlet; Described upper air inlet hole is arranged at and leads Huo Bishang along same even circumferential, and upper air inlet hole with on lead fiery spacing with blades setting; Described middle fresh air inlet is arranged on taper combustion-supporting along same even circumferential; Described lower fresh air inlet is uniformly distributed on cylindricality combustion chamber.
Described biomass furnace also comprises arc fire blocking plate, the position, center at this arc fire blocking plate back and flue to enter mouth relative, bottom contacts with upper cover plate, top is positioned at a below for pot circle; Describedly enter to be formed with smoke input chamber between the residing furnace external chamber inwall of mouth and arc fire blocking plate, this smoke input chamber with enter mouth and communicate.
Described pot circle comprises cauldron circle, middle pot circle and fire sealing cover, and cauldron circle is donut structure with middle pot circle;
Described cauldron circle comprises filler ring under cauldron circle, cauldron circle outer ring and cauldron circle connecting portion, and cauldron circle outer ring is connected with filler ring under cauldron circle by cauldron circle connecting portion; Described middle pot circle comprises the lower filler ring of middle pot circle, middle pot circle outer ring and middle pot circle connecting portion, and middle pot circle outer ring is connected with the lower filler ring of middle pot circle by middle pot circle connecting portion;
The outward flange of described cauldron circle outer ring contacts with the top of furnace external chamber, matches with filler ring, cauldron circle connecting portion under cauldron circle in described middle pot circle outer ring, and described fire sealing cover matches with the lower filler ring of middle pot circle, middle pot circle connecting portion; Described cauldron circle outer ring, middle pot circle outer ring, fire sealing cover are positioned at same level, and under described cauldron circle, filler ring, the lower filler ring of middle pot circle are positioned at same level.
Compared with prior art, beneficial effect of the present invention is:
1. a kind of biconial cyclone type of the present invention efficient biomass stove and accessory adopts double whirlwind to lead fiery device, this double whirlwind is led fiery device and is comprised that whirlwind is led fiery device and lower whirlwind is led fiery device, when use, upper whirlwind leads fiery device and lower whirlwind has been led fiery device for prolonging the time of staying of high-temperature flue gas in stove, burning velocity is slowed down, make the materials such as fuel gas in charcoal and the flue gas in fuel, solia particle, tar be able to abundant burning, reduce the concentration of emission of the harmful substances such as the flue dust that burning produces, sulfur dioxide, nitrogen oxide, carbon monoxide, safety and environmental protection; In addition, the heat major part that burning produces is absorbed and used, and effectively avoids complete can the running off from flue by burning fume of unburned.Therefore high, the safety and environmental protection of sufficient combustion of the present invention, the thermal efficiency.
2. the combustion air hole in a kind of biconial cyclone type of the present invention efficient biomass stove and accessory adopts classification setting, comprising: upper air inlet hole, middle fresh air inlet and lower fresh air inlet; When use, air enters from secondary air inlet, through secondary air duct from upper air inlet hole, fresh air inlet and lower fresh air inlet enter thorax in stove, wherein, lower fresh air inlet is solid fuel oxygen supply, upper air inlet hole and middle fresh air inlet are the high-temperature flue gas oxygen supply of rising, and make fuel combustion more abundant, have improved fuel availability; In addition, upper air inlet hole with on lead fiery spacing with blades setting, can not only provide enough oxygen for burning, and be convenient to oxygen and mix with the even of high-temperature flue gas, promoted the carrying out of burning.Therefore the present invention's oxygen supply abundance of burning, fuel can fully burn.
3. in a kind of biconial cyclone type of the present invention efficient biomass stove and accessory, addition has arc fire blocking plate, the position, center at this arc fire blocking plate back side and flue to enter mouth relative, bottom contacts with upper cover plate, top is positioned at a below for pot circle, and the effect of arc fire blocking plate is to stop that not clean-burning flue gas discharges from flue under the draft of flue.When use, the flame of rotation is directly flutterred the bottom of a pan, high-temperature flue gas is circulating combustion under the stopping of arc fire blocking plate, until sufficient combustion, the heat major part that burning produces is absorbed and used, and effectively avoids fuel unburned complete just from flue loss, thereby reduces flame and flue gas loss, improve the efficiency of combustion of fuel, and free from environmental pollution.Therefore the present invention has realized fuel province, the thermal efficiency is high, the effect that discharge of poisonous waste amount is little.
4. the pot circle in a kind of biconial cyclone type of the present invention efficient biomass stove and accessory comprises cauldron circle, middle pot circle and fire sealing cover, when use, three cooperatively interacts, can adapt to the pans of different sizes, in addition, when stove is only when warming oneself, cover fire sealing cover and just can make the inner space that forms a relative closure of stove, thereby slow down burning velocity, prolonging burning time, improves heating effect.Therefore energy-conserving and environment-protective of the present invention, can adapt to different big or small pans.
5. a kind of biconial cyclone type of the present invention efficient biomass stove and accessory offers the charge door communicating with thorax in stove on furnace external chamber sidewall, this charge door opening is larger, energy suitable for multiple fuel, as fuel wood, straw, straw, straw, molding massive fuel, shaped granule fuel or animal argol just etc., range of application is wider.Therefore the present invention is not only applied widely, and reinforced convenient.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation that in Fig. 1, lower whirlwind is led fiery device.
Fig. 3 is the structural representation of leading fiery blade under in Fig. 2.
Fig. 4 is the structural representation that in Fig. 1, upper whirlwind is led fiery device.
Fig. 5 is the structural representation of leading fiery blade in Fig. 4.
Fig. 6 is the top view of pot circle in Fig. 1.
Fig. 7 is the enlarged diagram at A place in Fig. 1.
Fig. 8 is the front view of arc fire blocking plate in Fig. 1.
Fig. 9 is the top view of Fig. 8.
In figure: furnace external chamber 1, secondary air duct 11, secondary air inlet 12, flue 13, enter mouth 131, fire-resistant mud layer 14, arc fire blocking plate 15, upper cover plate 16, lower clapboard 17, smoke input chamber 18, thorax 2 in stove, taper combustion-supporting 21, cylindricality combustion chamber 22, lead fiery wall 23, combustion air hole 24, upper air inlet hole 241, middle fresh air inlet 242, lower fresh air inlet 243, upper whirlwind is led fiery device 26, lower whirlwind is led fiery device 27, on lead fiery blade 28, on lead fiery blade horizontal sextant angle 281, under lead fiery blade 29, under lead fiery blade horizontal sextant angle 291, fire grate 3, cinder catcher 31, pot circle 4, cauldron circle 41, filler ring 411 under cauldron circle, cauldron circle outer ring 412, cauldron circle connecting portion 413, middle pot circle 42, the lower filler ring 421 of middle pot circle, middle pot circle outer ring 422, middle pot circle connecting portion 423, fire sealing cover 43, ash chamber 5, drawer 51, charge door 6, reinforced lid 61, stove seat 7.
Detailed description of the invention
Below in conjunction with brief description of the drawings and detailed description of the invention, the present invention is further detailed explanation.
Referring to figure 1 – Fig. 9, a kind of biconial cyclone type efficient biomass stove and accessory, comprise furnace external chamber 1, thorax 2 and fire grate 3 in stove, the top of described furnace external chamber 1 is connected with pot circle 4, the bottom of furnace external chamber 1 is connected with stove seat 7, the inside of furnace external chamber 1 is coaxially arranged with thorax 2 in stove, in stove, the top of thorax 2 is connected with the sidewall of furnace external chamber 1 by upper cover plate 16, on furnace external chamber 1 sidewall, nearly pot circle 4 places are provided with flue 13, be positioned at upper cover plate 16, on the inwall of the furnace external chamber 1 between pot circle 4, be provided with fire-resistant mud layer 14, in described stove, the bottom of thorax 2 is provided with fire grate 3, the bottom of fire grate 3 is connected with furnace external chamber 1 by lower clapboard 17, the below of fire grate 3 is provided with grey chamber 5, in stove, on thorax 2 sidewalls, nearly upper cover plate 16 places are provided with whirlwind and lead fiery device 26, in stove, on thorax 2 sidewalls, be provided with multiple combustion air holes 24 that communicate with secondary air duct 11, furnace external chamber 1, in stove, between thorax 2, be formed with secondary air duct 11, on furnace external chamber 1, be provided with charge door 6, the arranged outside of charge door 6 has reinforced lid 61, the inner side of charge door 6 communicates with thorax 2 in stove, it is characterized in that:
Described biomass furnace also comprises that lower whirlwind leads fiery device 27;
In described stove, thorax 2 comprises taper combustion-supporting 21, cylindricality combustion chamber 22 and leads fiery wall 23, described top of leading fiery wall 23 is connected with the sidewall of furnace external chamber 1 by upper cover plate 16, the bottom of leading fiery wall 23 is connected with the top of tapered combustion-supporting 21, the bottom of tapered combustion-supporting 21 is connected with the top of cylindricality combustion chamber 22, the bottom of cylindricality combustion chamber 22 is provided with cinder catcher 31, and the bottom of cinder catcher 31 is connected with fire grate 3;
On described inwall of leading fiery wall 23, be provided with whirlwind and lead fiery device 26, on the inwall of described cylindricality combustion chamber 22, be provided with lower whirlwind and lead fiery device 27.
Described upper whirlwind is led fiery device 26 and is comprised on multiple and lead fiery blade 28, leads fiery blade 28 along same even circumferential setting on described.
The quantity of leading fiery blade 28 on described is 20 of 10 –; On described, lead fiery blade 28 and be crescent shape, its Breadth Maximum is 10mm – 25mm, above leads between fiery blade 28 and horizontal plane and is formed with and leads fiery blade horizontal sextant angle 281, and leading fiery blade horizontal sextant angle 281 on described is that 30 Du – 45 spend.
The height that described upper whirlwind is led fiery device 26 equates with the height of leading fiery wall 23.
Described lower whirlwind is led fiery device 27 and is comprised under multiple and lead fiery blade 29, leads fiery blade 29 along same even circumferential setting under described.
The quantity of leading fiery blade 29 under described is 20 of 10 –; Under described, lead fiery blade 29 and be crescent shape, its Breadth Maximum is 10mm – 25mm, under lead under being formed with between fiery blade 29 and horizontal plane and lead fiery blade horizontal sextant angle 291, leading fiery blade horizontal sextant angle 291 under described is that 30 Du – 45 spend.
The height that described lower whirlwind is led fiery device 27 is 1/3 – 1/2 of cylindricality combustion chamber 22 height.
Described combustion air hole 24 comprises upper air inlet hole 241, middle fresh air inlet 242 and lower fresh air inlet 243; Described upper air inlet hole 241 is arranged at and leads on fiery wall 23 along same even circumferential, and upper air inlet hole 241 with on lead fiery blade 28 intervals and arrange; Described middle fresh air inlet 242 is arranged on taper combustion-supporting 21 along same even circumferential; Described lower fresh air inlet 243 is uniformly distributed on cylindricality combustion chamber 22.
Described biomass furnace also comprises arc fire blocking plate 15, the position, center at these arc fire blocking plate 15 backs and flue 13 to enter mouth 131 relative, bottom contacts with upper cover plate 16, top is positioned at a below for pot circle 4; Describedly enter to be formed with smoke input chamber 18 between residing furnace external chamber 1 inwall of mouth 131 and arc fire blocking plate 15, this smoke input chamber 18 with enter mouth 131 and communicate.
Described pot circle 4 comprises cauldron circle 41, middle pot circle 42 and fire sealing cover 43, and cauldron circle 41 is donut structure with middle pot circle 42;
Described cauldron circle 41 comprises filler ring 411 under cauldron circle, cauldron circle outer ring 412 and cauldron circle connecting portion 413, and cauldron circle outer ring 412 is connected with filler ring 411 under cauldron circle by cauldron circle connecting portion 413; Described middle pot circle 42 comprises the lower filler ring 421 of middle pot circle, middle pot circle outer ring 422 and middle pot circle connecting portion 423, and middle pot circle outer ring 422 is connected with the lower filler ring 421 of middle pot circle by middle pot circle connecting portion 423;
The outward flange of described cauldron circle outer ring 412 contacts with the top of furnace external chamber 1, matches with filler ring 411, cauldron circle connecting portion 413 under cauldron circle in described middle pot circle outer ring 422, and described fire sealing cover 43 matches with the lower filler ring 421 of middle pot circle, middle pot circle connecting portion 423; Described cauldron circle outer ring 412, middle pot circle outer ring 422, fire sealing cover 43 are positioned at same level, and under described cauldron circle, filler ring 411, the lower filler ring 421 of middle pot circle are positioned at same level.
Principle of the present invention is described as follows:
1, upper whirlwind is led fiery device 26 and lower whirlwind is led fiery device 27:
Referring to figure 1 – Fig. 5, lead on the inwall of fiery wall 23, being provided with whirlwind and leading fiery device 26, described upper whirlwind is led fiery device 26 and is arranged along same even circumferential by leading fiery blade 28 on multiple, and the height that upper whirlwind is led fiery device 26 equates with the height of leading fiery wall 23.On lead fiery blade 28 and be crescent shape, quantity is 20 of 10 –, its Breadth Maximum is 10mm – 25mm, and on to lead fiery blade horizontal sextant angle 281 be that 30 Du – 45 spend.
On the inwall of cylindricality combustion chamber 22, be provided with lower whirlwind and lead fiery device 27, described lower whirlwind is led fiery device 27 and is arranged along same even circumferential by leading fiery blade 29 under multiple, and the height that described lower whirlwind is led fiery device 27 is 1/3 – 1/2 of cylindricality combustion chamber 22 height.Under lead fiery blade 29 and be crescent shape, quantity is 20 of 10 –, its Breadth Maximum is 10mm – 25mm, and under to lead fiery blade horizontal sextant angle 291 be that 30 Du – 45 spend.
On lead fiery blade 28, under lead fiery blade 29 and be all crescent shape, in the middle of wide two ends narrow, thereby, described Breadth Maximum refer to lead fiery blade 28, under lead the width of fiery blade 29 the widest part.
On lead fiery blade horizontal sextant angle 281: refer to the angle of leading between fiery blade 28 and horizontal plane.
Under lead fiery blade horizontal sextant angle 291: refer to down the angle of leading between fiery blade 29 and horizontal plane.
While leading fiery device without whirlwind, high-temperature flue gas and flame that burning produces directly upwards jump on the bottom of a pan, burn abundant not; When only establishing a whirlwind and leading fiery device, although extended the time of staying of high-temperature flue gas in stove, be not sufficient to make high-temperature flue gas fully to burn.The design leads after fiery device having possessed two-layer whirlwind, the high-temperature flue gas that burning produces and flame are first led fiery device 27 rotations along lower whirlwind and are risen, enter and lead fiery wall 23 by taper combustion-supporting 21, high-temperature flue gas and the flame of rotation accelerates rotation vertical leading under the effect that fiery wall 23 and upper whirlwind lead fiery device 26, owing to leading, fiery wall 23 diameters are less, the ascending air pilot flame that burning produces sprays from leading fiery wall 23, the vertical lifting the bottom of a pan of going directly.Because the present invention possesses, upper whirlwind is led fiery device 26 and lower whirlwind is led fiery device 27, both cooperatively interact and can greatly extend the time of staying of high-temperature flue gas in stove, impel burning velocity to slow down, thereby make the materials such as fuel gas in charcoal and the flue gas in fuel, solia particle, tar be able to abundant burning, reduce the concentration of emission of the harmful substances such as the flue dust that burning produces, sulfur dioxide, nitrogen oxide, carbon monoxide, environmental protection more, safety.
2, air intake and smoke evacuation:
The present invention has two air intake passages, is respectively air intake passage and secondary air passage.
The entrance of an air intake passage is grey chamber 5, adjusts the intake of an air intake by adjusting drawer 51 positions.It is burning oxygen supply that an air intake directly enters thorax 2 in stove from grey chamber 5 through fire grate 3.
The entrance of secondary air passage is the secondary air inlet 12 of furnace external chamber 1 below, and secondary air is in secondary air inlet 12 enters furnace external chamber 1, stove the secondary air duct 11 between thorax 2, and being entered in stove by the combustion air hole 24 on 2 outer walls of thorax in stove is burning oxygen supply in thorax 2.
Combustion air hole 24 comprises upper air inlet hole 241, middle fresh air inlet 242 and lower fresh air inlet 243.First, provide oxygen by being uniformly distributed in lower fresh air inlet 243 on cylindricality combustion chamber 22 for the comburant in cylindricality combustion chamber 22, the high-temperature flue gas mixture that burning forms is led at lower whirlwind under the effect of fiery device 27, rotation is risen and is entered taper combustion-supporting 21, then, continue as burning oxygen supply by the middle fresh air inlet 242 on taper combustion-supporting 21, finally, high-temperature flue gas mixture continues to rise to enter to lead fiery wall 23, be burning oxygen supply by upper air inlet hole 241 again, due to upper air inlet hole 241 with on lead fiery blade 28 intervals and arrange, high-temperature flue gas mixture is led under the acting in conjunction in fiery device 26 and upper air inlet hole 241 at upper whirlwind after entering and leading fiery wall 23, can not only accelerate rotation, and can be more even with oxygen mix, impel burning more abundant.Owing to leading, fiery wall 23 diameters are less, the ascending air that burning produces can spray from leading fiery wall 23 by pilot flame, the vertical lifting the bottom of a pan of going directly, now, high-temperature flue gas mixture can not directly enter flue 13 under the effect of arc fire blocking plate 15, and on stove, frame has pan, make furnace inner space relative closure, high-temperature flue gas can only burn away in stove, until sufficient combustion, the gas after fully burning could enter flue 13 from smoke input chamber 18 and discharge.The design of leading fiery wall 23 can make the flame the bottom of a pan of going directly, and has increased the heating surface area in the bottom of a pan, has extended the time of staying of high-temperature flue gas in kitchen range, has improved temperature in kitchen range.The design of arc fire blocking plate 15 has reduced flame and flue gas loss, make the materials such as fuel gas in charcoal and the flue gas in fuel, solia particle, tar be able to abundant burning, free from environmental pollution, the heat major part that burning produces is absorbed and used, and effectively avoids that fuel unburned is complete just to run off from flue.
3, pot circle 4:
Pot circle 4 comprises cauldron circle 41, middle pot circle 42 and fire sealing cover 43, and cauldron circle 41 is donut structure with middle pot circle 42, and fire sealing cover 43 is disc-shaped, and three cooperatively interacts, and can adapt to the pan of different sizes.When stove is only when warming oneself, cover fire sealing cover 43 and can make the inner space that forms a relative closure of stove, slow down burning velocity, extend the heating time.
4, reinforced and collection ash:
Charge door 6 is communicated with thorax 2 and furnace external chamber 1 in stove, it is larger that charge door 6 designs, when reinforced, open reinforced lid 61 and just can put into fuel, fuel tumbles on fire grate 3 along cinder catcher 31, ashes remaining after completing combustion drop on the drawer 51 of grey chamber through fire grate 3, pull out drawer 51 and outwell ashes wherein when cleaning.
Embodiment 1:
A kind of biconial cyclone type efficient biomass stove and accessory, comprises in furnace external chamber 1, stove that thorax 2, upper whirlwind are led fiery device 26 to lead fiery device 27 with lower whirlwind.It is material that the present invention mainly uses stainless steel, carbon steel, forms with punching press or welding manner processing and fabricating.
The top of furnace external chamber 1 is connected with pot circle 4, and the bottom of furnace external chamber 1 is connected with stove seat 7, and the inside of furnace external chamber 1 is coaxially arranged with thorax 2 in stove.Pot circle 4 comprises cauldron circle 41, middle pot circle 42 and fire sealing cover 43, and cauldron circle 41, middle pot circle 42 be donut structure, and fire sealing cover 43 is disc-shaped, and three cooperatively interacts, the pan that can adapt to vary in size;
On the inwall of the furnace external chamber 1 between upper cover plate 16, pot circle 4, be provided with fire-resistant mud layer 14, on furnace external chamber 1 sidewall, nearly pot circle 4 places are provided with flue 13, the position, center at arc fire blocking plate 15 backs and flue 13 to enter mouth 131 relative, bottom contacts with upper cover plate 16, top is positioned at the below of pot circle 4, enter between residing furnace external chamber 1 inwall of mouth 131 and arc fire blocking plate 15 and be formed with smoke input chamber 18, this smoke input chamber 18 with enter mouth 131 and communicate;
In stove, thorax 2 comprises taper combustion-supporting 21, cylindricality combustion chamber 22 with lead fiery wall 23, on described inwall of leading fiery wall 23, be provided with whirlwind and lead fiery device 26, the top of leading fiery wall 23 is connected with the sidewall of furnace external chamber 1 by upper cover plate 16, the bottom of leading fiery wall 23 is connected with the top of tapered combustion-supporting 21, the bottom of tapered combustion-supporting 21 is connected with the top of cylindricality combustion chamber 22, on the inwall of cylindricality combustion chamber 22, be provided with lower whirlwind and lead fiery device 27, the bottom of cylindricality combustion chamber 22 is provided with cinder catcher 31, the bottom of cinder catcher 31 is connected with fire grate 3, the bottom of fire grate 3 is connected with furnace external chamber 1 by lower clapboard 17, the below of fire grate 3 is provided with grey chamber 5, in furnace external chamber 1, stove, between thorax 2, be formed with secondary air duct 11, in stove, on thorax 2 sidewalls, be provided with multiple combustion air holes 24 that communicate with secondary air duct 11, described combustion air hole 24 comprises upper air inlet hole 241, middle fresh air inlet 242 and lower fresh air inlet 243, described upper air inlet hole 241 is arranged at and leads on fiery wall 23 along same even circumferential, and upper air inlet hole 241 with on lead fiery blade 28 intervals and arrange, described middle fresh air inlet 242 is arranged on taper combustion-supporting 21 along same even circumferential, and described lower fresh air inlet 243 is uniformly distributed on cylindricality combustion chamber 22, on described furnace external chamber 1 sidewall, the position of nearly lower clapboard 17 offers five secondary air inlets 12 that communicate with secondary air duct 11, on furnace external chamber 1, be provided with charge door 6, the arranged outside of charge door 6 has reinforced lid 61, and the inner side of charge door 6 communicates with thorax 2 in stove.
When use, the middle pot circle 42 of first taking away, fire sealing cover 43 and arc hurdle fire plate 15, add appropriate ignited fuel from cauldron circle 41, then open drawer 51 wind is entered, and increases by one time air intake oxygen-supplying amount; Simultaneously, air first enters secondary air duct 11 by secondary air inlet 12, enter thorax 2 in stove by combustion air hole 24 again, under the acting in conjunction of air intake and secondary air, stove is lighted rapidly, now, then places arc hurdle fire plate 15, and select pot circle 4 according to pan used, finally put the pan that needs heating.
In combustion process, blow in combustion air hole 24 in stove, the high-temperature flue gas that burning produces and flame are first led fiery device 27 rotations along lower whirlwind and are risen, enter and lead fiery wall 23 by taper combustion-supporting 21 again, high-temperature flue gas and the flame of rotation accelerates rotation vertical leading under the effect that fiery wall 23 and upper whirlwind lead fiery device 26, the ascending air pilot flame that burning produces sprays from leading fiery wall 23, the vertical lifting the bottom of a pan of going directly, high-temperature flue gas mixture can not directly enter flue 13 under the obstruction of arc fire blocking plate 15, and stove is added pan, furnace inner space relative closure, thereby, high-temperature flue gas can only burn away in stove, in burning, arc fire blocking plate 15 can stop that the sufficient flue gas of unburned discharges from flue 13 under the draft of flue 13, extend the time of staying of high-temperature flue gas in kitchen range, improve temperature in kitchen range, make the fuel gas in charcoal and the flue gas in fuel, solia particle, the materials such as tar are able to abundant burning, reduce the discharge capacity of harmful substance, improve fuel availability.Meanwhile, arc fire blocking plate 15 is only arranged at into mouth 131 places, can provide enough spaces for burning, increases the heating surface area in the bottom of a pan.
In combustion process, if need to increase fuel, open reinforced lid 61 directly interior reinforced to thorax 2 in stove, do not affect normally cook, the carrying out of cooking, add the lid 61 of feeding in raw material on material bonnet, can not affect normal combustion.
After completing combustion, ashes concentrate on the fire grate 3 in cinder catcher 31, and ashes are dropped on the drawer 51 in grey chamber 5 under concentrating by fire grate 3, after using, extract drawer 51 out outwell wherein ashes.
Fire-resistant mud layer 14 is on the inwall of furnace external chamber 1 between upper cover plate 16, pot circle 4, and it can play the effect of heat-insulation and heat-preservation.
The present invention is applicable to pluralities of fuel, just as fuel wood, straw, straw, straw, molding massive fuel, shaped granule fuel or animal argol etc.According to experiment, the present invention's 1 kilogram of fuel wood that burns, just can boiled 4 kg of water, and the time used is only 6 – 8 minutes, and not only burning is very abundant, and the thermal efficiency is very high.
Claims (10)
1. a biconial cyclone type efficient biomass stove and accessory, comprise furnace external chamber (1), thorax (2) and fire grate (3) in stove, the top of described furnace external chamber (1) is connected with pot circle (4), the bottom of furnace external chamber (1) is connected with stove seat (7), the inside of furnace external chamber (1) is coaxially arranged with thorax (2) in stove, in stove, the top of thorax (2) is connected with the sidewall of furnace external chamber (1) by upper cover plate (16), on furnace external chamber (1) sidewall, nearly pot circle (4) locates to be provided with flue (13), be positioned at upper cover plate (16), on the inwall of the furnace external chamber (1) between pot circle (4), be provided with fire-resistant mud layer (14), in described stove, the bottom of thorax (2) is provided with fire grate (3), the bottom of fire grate (3) is connected with furnace external chamber (1) by lower clapboard (17), the below of fire grate (3) is provided with grey chamber (5), in stove, on thorax (2) sidewall, nearly upper cover plate (16) is located to be provided with whirlwind and is led fiery device (26), in stove, on thorax (2) sidewall, be provided with multiple combustion air holes (24) that communicate with secondary air duct (11), furnace external chamber (1), in stove, between thorax (2), be formed with secondary air duct (11), on furnace external chamber (1), be provided with charge door (6), the arranged outside of charge door (6) has reinforced lid (61), the inner side of charge door (6) communicates with thorax (2) in stove, it is characterized in that:
Described biomass furnace also comprises that lower whirlwind leads fiery device (27);
In described stove, thorax (2) comprises taper combustion-supporting (21), cylindricality combustion chamber (22) and leads fiery wall (23), described top of leading fiery wall (23) is connected with the sidewall of furnace external chamber (1) by upper cover plate (16), the bottom of leading fiery wall (23) is connected with the top of taper combustion-supporting (21), the bottom of taper combustion-supporting (21) is connected with the top of cylindricality combustion chamber (22), the bottom of cylindricality combustion chamber (22) is provided with cinder catcher (31), and the bottom of cinder catcher (31) is connected with fire grate (3);
On described inwall of leading fiery wall (23), be provided with whirlwind and lead fiery device (26), on the inwall of described cylindricality combustion chamber (22), be provided with lower whirlwind and lead fiery device (27).
2. a kind of biconial cyclone type efficient biomass stove and accessory according to claim 1, is characterized in that: described upper whirlwind is led fiery device (26) and comprised on multiple and lead fiery blade (28), leads fiery blade (28) along same even circumferential setting on described.
3. a kind of biconial cyclone type efficient biomass stove and accessory according to claim 2, is characterized in that: the quantity of leading fiery blade (28) on described is 20 of 10 –; On described, lead fiery blade (28) and be crescent shape, its Breadth Maximum is 10mm – 25mm, above leads between fiery blade (28) and horizontal plane and is formed with and leads fiery blade horizontal sextant angle (281), and leading fiery blade horizontal sextant angle (281) on described is that 30 Du – 45 spend.
4. a kind of biconial cyclone type efficient biomass stove and accessory according to claim 2, is characterized in that: the height that described upper whirlwind is led fiery device (26) equates with the height of leading fiery wall (23).
5. a kind of biconial cyclone type efficient biomass stove and accessory according to claim 1, is characterized in that: described lower whirlwind is led fiery device (27) and comprised under multiple and lead fiery blade (29), leads fiery blade (29) along same even circumferential setting under described.
6. a kind of biconial cyclone type efficient biomass stove and accessory according to claim 5, is characterized in that: the quantity of leading fiery blade (29) under described is 20 of 10 –; Under described, lead fiery blade (29) and be crescent shape, its Breadth Maximum is 10mm – 25mm, under lead under being formed with between fiery blade (29) and horizontal plane and lead fiery blade horizontal sextant angle (291), leading fiery blade horizontal sextant angle (291) under described is that 30 Du – 45 spend.
7. a kind of biconial cyclone type efficient biomass stove and accessory according to claim 5, is characterized in that: the height that described lower whirlwind is led fiery device (27) is 1/3 – 1/2 of cylindricality combustion chamber (22) height.
8. according to a kind of biconial cyclone type efficient biomass stove and accessory described in any one in claim 2,3 or 4, it is characterized in that: described combustion air hole (24) comprises upper air inlet hole (241), middle fresh air inlet (242) and lower fresh air inlet (243); Described upper air inlet hole (241) is arranged at along same even circumferential that to lead fiery wall (23) upper, and upper air inlet hole (241) with on lead fiery blade (28) interval and arrange; Described middle fresh air inlet (242) is arranged on taper combustion-supporting (21) along same even circumferential; Described lower fresh air inlet (243) is uniformly distributed on cylindricality combustion chamber (22).
9. according to a kind of biconial cyclone type efficient biomass stove and accessory described in any one in claim 1 – 7, it is characterized in that: described biomass furnace also comprises arc fire blocking plate (15), the position, center at this arc fire blocking plate (15) back and flue (13) to enter mouth (131) relative, bottom contacts with upper cover plate (16), and top is positioned at the below of pot circle (4); Describedly enter to be formed with smoke input chamber (18) between mouth (131) residing furnace external chamber (1) inwall and arc fire blocking plate (15), this smoke input chamber (18) with enter mouth (131) and communicate.
10. according to a kind of biconial cyclone type efficient biomass stove and accessory described in any one in claim 1 – 7, it is characterized in that:
Described pot circle (4) comprises cauldron circle (41), Zhong Guoquan (42) and fire sealing cover (43), and cauldron circle (41) is donut structure with middle pot circle (42);
Described cauldron circle (41) comprises filler ring under cauldron circle (411), cauldron circle outer ring (412) and cauldron circle connecting portion (413), and cauldron circle outer ring (412) is connected with filler ring (411) under cauldron circle by cauldron circle connecting portion (413); Described middle pot circle (42) comprises the lower filler ring (421) of middle pot circle, middle pot circle outer ring (422) and middle pot circle connecting portion (423), and middle pot circle outer ring (422) is connected with the lower filler ring (421) of middle pot circle by middle pot circle connecting portion (423);
The outward flange of described cauldron circle outer ring (412) contacts with the top of furnace external chamber (1), match with filler ring (411), cauldron circle connecting portion (413) under cauldron circle in described middle pot circle outer ring (422), described fire sealing cover (43) matches with the lower filler ring (421) of middle pot circle, middle pot circle connecting portion (423); Described cauldron circle outer ring (412), middle pot circle outer ring (422), fire sealing cover (43) are positioned at same level, and under described cauldron circle, filler ring (411), the lower filler ring (421) of middle pot circle are positioned at same level.
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| CN103062760B (en) * | 2013-01-21 | 2017-06-20 | 黄爱国 | A kind of cyclone type multilayer airscoop shroud in biomass combustion furnace |
| CN104566481B (en) * | 2015-01-14 | 2017-11-10 | 成都乐马多创新科技有限公司 | Renewable biomass fuel-fired furnace |
| CN106838997A (en) * | 2017-01-11 | 2017-06-13 | 晋益环保节能钢具有限公司 | Economical gas burner and its gas furnace |
| RU2737255C1 (en) * | 2020-04-22 | 2020-11-26 | Мунхбаатар Церендорж | Device for repeated burning of furnace combustion products |
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| GB248101A (en) * | 1924-12-04 | 1926-03-04 | Reginald O Halloran Pringle Th | Improvements in or relating to domestic fire grates |
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