CN103574641A - Temper-proof biomass fuel stove - Google Patents
Temper-proof biomass fuel stove Download PDFInfo
- Publication number
- CN103574641A CN103574641A CN201210261440.3A CN201210261440A CN103574641A CN 103574641 A CN103574641 A CN 103574641A CN 201210261440 A CN201210261440 A CN 201210261440A CN 103574641 A CN103574641 A CN 103574641A
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- CN
- China
- Prior art keywords
- feeding
- burner
- swash plate
- plate
- straight plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
- F24B1/00—Stoves or ranges
- F24B1/02—Closed stoves
- F24B1/024—Closed stoves for pulverulent fuels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
- F23B40/06—Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed along the fuel-supporting surface
- F23B40/08—Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed along the fuel-supporting surface into pot- or trough-shaped grates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B60/00—Combustion apparatus in which the fuel burns essentially without moving
- F23B60/02—Combustion apparatus in which the fuel burns essentially without moving with combustion air supplied through a grate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B90/00—Combustion methods not related to a particular type of apparatus
- F23B90/04—Combustion methods not related to a particular type of apparatus including secondary combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
- F23K3/10—Under-feed arrangements
- F23K3/14—Under-feed arrangements feeding by screw
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L1/00—Passages or apertures for delivering primary air for combustion
- F23L1/02—Passages or apertures for delivering primary air for combustion by discharging the air below the fire
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel
- F23L9/04—Passages or apertures for delivering secondary air for completing combustion of fuel by discharging the air beyond the fire, i.e. nearer the smoke outlet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2203/00—Feeding arrangements
- F23K2203/10—Supply line fittings
- F23K2203/102—Flashback safety, e.g. inertizing devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
A temper-proof biomass fuel stove comprises a burner and an electric device. The electric device comprises a power supply, a feeding motor and a fan. The burner comprises an inner straight plate, an outer inclined plate, two lateral plates, a feeding sleeve, a feeding barrel and a pushing device contained in the feeding barrel and the feeding sleeve. A gap is formed between the outer end of the feeding sleeve and the discharging end of the feeding barrel sleeved inside. A plurality of primary air feeding holes are formed in the upper portion of the outer inclined plate, and a plurality of primary air feeding holes are formed in the upper portions of the two lateral plates. An enclosed primary air feeding space is formed under the burner, and an enclosed secondary air feeding space is formed above the burner. An enclosed temper-proof air feeding space is formed on the periphery of the feeding sleeve, and the fan supplies air to the temper-proof air feeding space, the primary air feeding space and the secondary air feeding space. The stove can effectively prevent temper.
Description
Technical field
The present invention relates to biomass fuel using energy source apparatus field, especially relevant for a kind of biomass fuel stove and accessory that can effectively prevent tempering.
Background technology
Biomass fuel as the energy utilization technology of straw, wood chip, agricultural crop straw etc. be a kind of novel energy solution, its equipment is also being modified gradually and is being tending towards perfect.It is burner that biomass fuel utilizes the parts of most critical in equipment, and it is related to the important performances such as capacity usage ratio, safety, flue dust, dust, fuel slagging scorification.
The inventor discloses a kind of stove and accessory and burner that uses biomass fuel in International Patent Application PCT/CN2012/071745 " a kind of novel burner and use the stove and accessory of this burner ".This stove and accessory comprises a combustion box and an auxiliary equipment case, holds burner in combustion box, accommodates fuel conveying mechanism in auxiliary equipment case.Fuel conveying mechanism comprises hopper, a feed cylinder and a screw feeding bar being contained in feed cylinder.Feed cylinder is a columniform cylindrical body, comprises feed end and a discharge end that is positioned at burner top being contained in auxiliary equipment case.Within screw feeding bar is contained in feed cylinder.There is opening at the feed end place of feed cylinder, and opening is connected with the bottom of hopper, and the biomass fuel pellet in hopper can enter feed cylinder by Action of Gravity Field from opening part.The spiral feeding blade of screw feeding bar is driven and rotates by feeding motor, and the biomass fuel pellet that promotion enters feed cylinder moves to discharge end, and fuel particle falls into burner by Action of Gravity Field after discharge end, realizes the supply of fuel from hopper to burner.
Burner comprises an inner side swash plate, and inner side swash plate comprises first base, first top margin and two first sides, and the discharge end of feed cylinder passes inner side swash plate between the first base and the first top margin.Burner also comprises an outside swash plate, outside swash plate comprises second base, second top margin and two second sides, the first base of swash plate, inner side and the second base of outside swash plate are connected, and make to be 60 degree to 90 degree between outside swash plate and inner side swash plate the angle a of better 70 degree.Burner also comprises two blocks of side plates that are connected with second side with the first side of inner side swash plate and outside swash plate respectively.Inner side swash plate, outside swash plate and two blocks of side plates surround a combustion zone.On inner side swash plate and outside swash plate, offer several air vents.
Find that in actual use this burner still exists the problem of tempering.Through research, find that tempering problem is mainly because project organization defect causes.The first, the feed cylinder discharge end temperature after being subject to high-temperature heating for a long time extending in burner can become very high, can ignite through fuel particle, this burning spreads in feed cylinder, just becomes tempering.Have a kind of improved feed cylinder, at least one inclined hole discharged to the heart be set near discharging opening, from inclined hole to feed cylinder in air feed, wind direction points to feed cylinder axle center whole deflection burner directions, equals to be provided with at the discharge port end of feed cylinder the wind screen of one taper.This structure can prevent tempering within longer a period of time, but still tempering phenomenon can occur after longer burning time.Its reason is exactly that the effect meeting of wind screen is more weak between adjacent two inclined holes even not to be had, and forms Ruo Feng district, and fuel particle can change the wind direction blowing out in each inclined hole simultaneously, and what make that these wind directions become is in disorder.Under the impact at particle sometimes between two inclined holes, even there will be reciprocal contrary air-flow, from discharge end to the mobile air-flow of feed end.This contrary air-flow can cause tempering.The second, the air vent of offering on inner side swash plate and the whole plate face of outside swash plate is also the one of the main reasons that causes contrary air-flow.Lower than the air vent of feed cylinder discharge end itself, with regard to the mobile component of oriented feed cylinder direction, add the change effect of fuel particle to wind direction, at discharge end, will form contrary air-flow, cause tempering.
Summary of the invention
A technical problem to be solved by this invention is to provide a kind of anti-backfire biomass fuel stove and accessory, and it can eliminate the generation of contrary air-flow, thereby eliminates the tempering phenomenon of stove and accessory completely.
In order to solve above technical problem, the invention provides a kind of anti-backfire biomass fuel stove and accessory, it comprises that can be placed in a ground body, body comprises a combustion box and an auxiliary equipment case.Burner of combustion box content, accommodates hopper and electrical equipment in auxiliary equipment case.Electrical equipment comprises a power supply, a feeding motor and an air blast.Burner comprises a straight plate in inner side, an outside swash plate, two blocks of side plates, one section of feeding sleeve, a feed cylinder and a pusher being contained in feed cylinder and feeding sleeve.The straight plate in inner side comprise a straight plate below, a straight plate top and two straight plate sides.Outside swash plate comprise a swash plate below, a swash plate top and two swash plate sides.The straight plate of the straight plate in inner side is connected below with the swash plate of outside swash plate below, is the angle of 60 degree to 90 degree between the straight plate in outside swash plate and inner side.Two blocks of side plates are connected with swash plate side with the straight plate side of the straight plate in inner side and outside swash plate respectively.Feeding sleeve is a columniform cylindrical body, comprises an outer end and a inner of passing the straight plate in inner side between the straight following and straight plate of plate top.Feed cylinder is a columniform cylindrical body, comprises a feed end and a discharge end being sheathed within feeding sleeve outer end, forms a space between the outer end of feeding sleeve and the discharge end of feed cylinder.Pusher comprises that one by the motor-driven axis of feeding and spiral feeding blade.On skew back plate, the corresponding position of pusher axis offers several air supply holes above outside, more than the corresponding position of feeding sleeve also offers several air supply holes on two blocks of side plates.Burner below is provided with several piece baffle plate, burner below is surrounded to an air feed space of a sealing.The top of burner is provided with the secondary air supply device of a tubular, offers several secondary air supply holes on secondary air supply device, and the periphery of secondary air supply device is formed with the secondary air feed space of a sealing.Feeding sleeve also forms the anti-backfire air feed space of a sealing around.Air feed is unified by air blast in anti-backfire air feed space, air feed space and secondary air feed space.
The beneficial effect that the present invention brings is, once with secondary air feed in, the air blowing out from air blast also will enter anti-backfire air feed space.This part air enters feeding sleeve by the space between the outer end by feeding sleeve and the discharge end of feed cylinder, and flows towards burner direction through feeding sleeve, forms even, unidirectional wind screen in whole feeding sleeve.This wind screen neither can produce Ruo Feng district between inclined hole, also can, for a long time because stopping of fuel particle forms contrary air-flow, can effectively not prevent tempering.Simultaneously, due to air supply hole all outside on skew back plate the corresponding position of pusher axis above or on two blocks of side plates more than the corresponding position of feeding sleeve, the air of such air feed all upwards flows after leaving an air supply hole, will be very little to the mobile component of feeding sleeve direction, stopped an air feed and feeding sleeve has been formed to the possibility of contrary air-flow.
Accompanying drawing explanation
Fig. 1 is a schematic perspective view of preferred embodiment stove and accessory of the present invention.
Fig. 2 is a part of the stove and accessory embodiment illustrated in fig. 1 schematic perspective view that explodes.
Fig. 3 is a plan cross-section schematic diagram of stove and accessory embodiment illustrated in fig. 1.
Fig. 4 is the local enlarged diagram of A part in Fig. 3.
Fig. 5 is the three-dimensional enlarged diagram of the part of burner in preferred embodiment stove and accessory.And,
Fig. 6 is the circuit diagram of the electrical equipment of preferred embodiment of the present invention.
The specific embodiment
With reference to figure 1, Fig. 2, Fig. 3 and Fig. 4, it shows the preferred embodiment of a kind of anti-backfire biomass fuel stove and accessory of the present invention.This stove and accessory comprises that can be placed in a ground body 1, and body 1 comprises a combustion box 10 and an auxiliary equipment case 20.In combustion box 10, hold burner 30; In auxiliary equipment case 20, accommodate hopper 40 and electrical equipment 50.
Below burner 30, be provided with several piece baffle plate 11, burner 30 belows surrounded to an air feed space 12 of a sealing.In combustion box 10 burner 30 above be provided with the secondary air supply device 13 of a tubular, on secondary air supply device 13, offer several secondary air supply holes 14, the periphery of secondary air supply device 13 is formed with the secondary air feed space 15 of a sealing.Feeding sleeve 35 also forms the anti-backfire air feed space 16 of a sealing around.Anti-backfire air feed space 16, air feed space 12 and secondary air feed space 14 communicate with one another, by the unified air feeds of an air blast 52.
The circuit diagram of electrical equipment 50 as shown in Figure 3, comprises and drives the feeding motor 51 of pusher 43, air blast 52,53, one power switches 54 of power supply and a power supply indicator 55.Power supply 53 can be both power of alterating and direct current 531, also can be on power of alterating and direct current 531 multiple-connected battery 532 as accessory power supply.Power of alterating and direct current 531 and battery 532 all can be powered separately.Power switch 54 is installed on auxiliary equipment case 20, can control the power supply of whole circuit, and switch indication light 55 is also installed on auxiliary equipment case 20 near power switch 54, is used to refer to the folding condition of power switch 54.Fuel 60 is biomass fuel, is the granule being formed by pulverizing compactings such as straw, wood chip, agricultural crop straws.Fuel 60 can be lighted after entering burner 30, and in combustion zone, burn in 34 places, and the top of combustion zone 34 is heat exchange zones.Ashes after burning can fall into through the swash plate top 322 of outside swash plate 32 the ash collecting district of combustion box 10 bottoms.One time air feed can make biomass fuel pellet under anaerobic be heated gasification, produces fuel gas and upwards overflows; By the secondary air supply device 11 on burner 30 tops, carry out secondary air feed, fuel gas can run into oxygen in exit again, and the fuel gas of burning gets final product release heat.And once with secondary air feed in, the air blowing out from air blast 52 also will enter anti-backfire air feed space 14, this part air enters feeding sleeve 44 by the space 443 between the outer end by feeding sleeve 44 441 and the discharge end 422 of feed cylinder 42, and flow towards burner 30 directions through feeding sleeve 44, at even, the unidirectional wind screen of the interior formation of whole feeding sleeve 44, this wind screen neither can produce Ruo Feng district between inclined hole, can, for a long time because stopping of fuel particle forms contrary air-flow, can effectively not prevent tempering yet.Simultaneously, due to air supply hole 35 all outside on skew back plate 32 the pusher 43 corresponding positions of axis 431 above or on two blocks of side plates 33 more than the corresponding position of feeding sleeve 44, the air of such air feed all upwards flows after leaving an air supply hole 35, will be very little to the mobile component of feeding sleeve 44 directions, stopped an air feed and feeding sleeve 44 has been formed to the possibility of contrary air-flow.
Claims (4)
1. an anti-backfire biomass fuel stove and accessory, is characterized in that comprising that can be placed in a ground body (1), and body (1) comprises a combustion box (10) and an auxiliary equipment case (20), combustion box (10) burner of content (30), accommodates hopper (40) and electrical equipment (50) in auxiliary equipment case (20), electrical equipment (50) comprises a power supply (53), a feeding motor (51) and an air blast (52), burner (30) comprises a straight plate in inner side (31), outside swash plate (32), two blocks of side plates (31), one section of feeding sleeve (35), a feed cylinder (36) and the pusher (37) being contained in feed cylinder (36) and feeding sleeve (35), the straight plate (31) in inner side comprises a straight plate (311) below, article one, straight plate top (312), and two straight plate sides (313), outside swash plate (32) comprises a swash plate (321) below, article one, swash plate top (322), and two swash plate sides (323), the straight plate following (311) of the straight plate (31) in inner side and the swash plate of outside swash plate (32) below (321) are connected, the angle that is 60 degree to 90 degree between outside swash plate (32) and the straight plate in inner side (31), two blocks of side plates (33) are connected with swash plate side (323) with the straight plate side (313) of the straight plate in inner side (31) and outside swash plate (32) respectively, feeding sleeve (35) is a columniform cylindrical body, comprise an outer end (351) and a inner (352) of passing the straight plate in inner side (31) between straight plate following (311) and straight plate top (312), feed cylinder (36) is a columniform cylindrical body, comprise a feed end (361) and a discharge end (362) being sheathed within feeding sleeve (35) outer end (351), between the outer end (351) of feeding sleeve (35) and the discharge end (362) of feed cylinder (36), form a space (38), pusher (37) comprises the axis (371) and the spiral feeding blade (372) that by feeding motor (51), are driven, the corresponding position of upper pusher (37) axis (371) of skew back plate (32) offers several air supply holes (38) above outside, in the corresponding position of the upper feeding sleeve (35) of two blocks of side plates (33), also offer above several air supply holes (38), burner (30) below is provided with several piece baffle plate (11), burner (30) below is surrounded to an air feed space (12) of a sealing, the top of burner (30) is provided with the secondary air supply device (13) of a tubular, on secondary air supply device (13), offer several secondary air supply holes (14), the periphery of secondary air supply device (13) is formed with the secondary air feed space (15) of a sealing, feeding sleeve (35) also forms the anti-backfire air feed space (16) of a sealing around, anti-backfire air feed space (16), an air feed space (12), and secondary air feed space (14) is by the unified air feed of air blast (52).
2. anti-backfire biomass fuel stove and accessory as claimed in claim 1, is characterized in that electrical equipment (50) also includes a power switch (54) and a power supply indicator (55).
3. the stove and accessory of use anti-backfire burner as claimed in claim 1 (30), is characterized in that the angle between outside swash plate (32) and the straight plate in inner side (31) is 70 degree.
4. the stove and accessory of use anti-backfire burner as claimed in claim 2 (30), is characterized in that the angle between outside swash plate (32) and the straight plate in inner side (31) is 70 degree.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210261440.3A CN103574641A (en) | 2012-07-26 | 2012-07-26 | Temper-proof biomass fuel stove |
PCT/CN2012/080940 WO2014015550A1 (en) | 2012-07-26 | 2012-09-03 | Backfire-preventing biomass fuel stove |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210261440.3A CN103574641A (en) | 2012-07-26 | 2012-07-26 | Temper-proof biomass fuel stove |
Publications (1)
Publication Number | Publication Date |
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CN103574641A true CN103574641A (en) | 2014-02-12 |
Family
ID=49996528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210261440.3A Pending CN103574641A (en) | 2012-07-26 | 2012-07-26 | Temper-proof biomass fuel stove |
Country Status (2)
Country | Link |
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CN (1) | CN103574641A (en) |
WO (1) | WO2014015550A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103499108A (en) * | 2013-04-08 | 2014-01-08 | 安顺惠烽节能炉具有限责任公司 | Biomass energy-saving furnace |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2558052B1 (en) * | 2014-07-31 | 2016-12-09 | Josep Mª QUINTILLA GUARDIA | Biomass burner and procedure to burn biomass in said burner |
CN105318358A (en) * | 2015-10-27 | 2016-02-10 | 重庆光煦科技有限公司 | Biomass cooking range for restaurant |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB955461A (en) * | 1962-02-10 | 1964-04-15 | Roy Tulloch Bibby | Improvements relating to domestic grates |
CN201093531Y (en) * | 2007-08-09 | 2008-07-30 | 马顺水 | Biological substance gasification furnace |
CN201093551Y (en) * | 2007-08-23 | 2008-07-30 | 重庆清大节能燃具有限责任公司 | Multifunctional straw gasification stove |
CN201306742Y (en) * | 2008-10-24 | 2009-09-09 | 贾洪军 | Automatic table-type firewood stove |
CN201539853U (en) * | 2009-06-30 | 2010-08-04 | 王朝晖 | Fuel cage and combustor thereof |
CN202303465U (en) * | 2011-09-02 | 2012-07-04 | 朱宏锋 | High-performance combustor |
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2012
- 2012-07-26 CN CN201210261440.3A patent/CN103574641A/en active Pending
- 2012-09-03 WO PCT/CN2012/080940 patent/WO2014015550A1/en active Application Filing
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103499108A (en) * | 2013-04-08 | 2014-01-08 | 安顺惠烽节能炉具有限责任公司 | Biomass energy-saving furnace |
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Publication number | Publication date |
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WO2014015550A1 (en) | 2014-01-30 |
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Application publication date: 20140212 |