CN104235831A - Biomass particle combustion furnace - Google Patents
Biomass particle combustion furnace Download PDFInfo
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- CN104235831A CN104235831A CN201410351955.1A CN201410351955A CN104235831A CN 104235831 A CN104235831 A CN 104235831A CN 201410351955 A CN201410351955 A CN 201410351955A CN 104235831 A CN104235831 A CN 104235831A
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Abstract
The invention discloses a biomass particle combustion furnace which comprises a furnace body, an ash can, a blower device, a distribution box, an automatic feeding device, an automatic ignition device and a machine shell, wherein the blower device, the distribution box, the automatic feeding device and the automatic ignition device are assembled together with the machine shell; the blower device is arranged under the automatic feeding device; the machine shell is arranged at one side of the furnace body; the ash can is arranged under the furnace body. The biomass particle combustion furnace is compact and simple in structure, firm and durable, full in feeding, high in particle burning efficiency, good in heat transfer effect, safe and reliable.
Description
Technical field
The present invention relates to combustion stove technical field, especially relate to a kind of biological particles combustion furnace.
Background technology
Growing with market economy, the call of international and Environmental Protection in China department and under requiring, the application of the automatic biomass combustion furnace of energy-conservation, low row obtains more and more wider popularizing.Biological particles raw material are not by the impact in season, utilize regenerated resources (wood chip, soybean straw, corn bar, kaoliang stalk, reed rod etc.), both can promote economic benefit, and reduce again ground refuse, range of application is extremely wide, can carry out innovation to the original electricity of part, coal, oil, Qi Deng unit.In the middle of the structure of biomass combustion furnace, burner hearth, ash-pan and fire grate are key positions.The gap between the North and the South is large, and southern manufacturer is generally the thick stainless steel of 2520 material 1-2 centimetre with material and does burner hearth and to fire guide pipe, but it is high to have price, and service life is short, easy coking, and firepower such as to diminish gradually at the shortcoming.The burner hearth made of earthenware that north manufacturer uses with fire guide pipe, although duty during running is good, can not blowing out, especially when outdoor temperature subzero less than 20 DEG C, next day operation burner hearth and the guide pipe just explosion that fires, emit fire, cigarette, just cannot run well.
Publication No. is CN103017143A, and date of publication is disclose a kind of living beings wood chaff fuel-fired furnace in the Chinese patent document on April 3rd, 2013, comprises sole, is arranged on terrace, incinerator, is fixed on one end of sole, forms on chuck, outer wall and offers charging aperture and combustion air retraction mechanism, be furnished with bell at the top of incinerator at the outer wall of incinerator, flame spouting mechanism, connects the upper lateral part at incinerator, feeding machanism, is arranged on the other end of sole, feed tank, is arranged on feeding machanism, power drive mechanism, is arranged on the other end of sole, oxygen supply mechanism, be fixed on the other end of frame, feeding machanism comprises pair of guide rails, movable stand, screw tube and stock screw, pair of guide rails is parallel and fix with described one end of described sole, movable stand is arranged on guide rail movably, screw tube is bearing on movable stand with level, this screw tube is stretched in described burner hearth towards one end of described charging aperture, and fix with charging aperture, stock screw is arranged in the screw tube chamber of screw tube, the stock screw axle of this stock screw to be stretched over towards one end of described power drive mechanism outside screw tube chamber and with power drive mechanism transmission link, flight is formed on the axis body being positioned at described screw tube chamber at stock screw axle and along the length direction of stock screw axle, spacing distance between described flight diminishes towards the direction of charging aperture gradually from the direction of described feeding mouth.In the structure shown here, be reduce gradually towards the direction of charging aperture from the direction of feeding mouth by the spacing distance between the flight on the stock screw axle of the stock screw by feeding machanism and pitch design, living beings wood chaff is introduced burner hearth with densifie state and ensures combustion efficiency, this structure feeding speed is slow, easily causes under feeding.If excessively improve the feeding speed of stock screw, then easily cause damage, due to the poor reliability of structure itself, will the cost of maintenance management be increased.And wooden chaff burns under densifie state, if support insufficient, then can occur burn insufficient and directly fall into ash hole, cause fuel cost to waste.Keeping mechanism in the structure shown here there is no special function of strengthening supporting effect.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, technical problem to be solved is to provide a kind of biological particles combustion furnace, and its compact conformation is simplified, sturdy and durable, and support fully, particle burning efficiency is high, and heat-transfer effect is good, safe and reliable.
The present invention makes above-mentioned technical problem be solved by the following technical programs.
A kind of biological particles combustion furnace, comprise body of heater, ash bin, air-blast device, distribution box, automatic feeding device, automatic ignition device and casing, air-blast device, distribution box, automatic feeding device and automatic ignition device and casing matched together, air-blast device is arranged on below automatic feeding device, casing is arranged on the side of body of heater, and ash bin is arranged on below body of heater; Body of heater forms jacket type structure by furnace internal-lining, stove outer covering, the clearance distance kept between furnace internal-lining and stove outer covering forms ventilating and cooling passage, stove outer covering arranges away from the sidewall of casing side the guide pipe that fires, and the guide pipe that fires is arranged with fire-outtaking tube, and fire-outtaking tube is communicated with furnace internal-lining; Be provided with fire grate between ash bin and body of heater, fire grate is fixed in the bottom of furnace internal-lining; Automatic feeding device comprises loading hopper, cage, variable-frequency motor and tremie pipe, the filler interface of loading hopper is stretched out outside casing, the discharging interface that loading hopper is connected with tremie pipe arranges cage, the top that described discharging interface is positioned at cage arranges reinforced flashboard, one end of tremie pipe blanking interface is communicated with furnace internal-lining through the sidewall of stove outer covering, and variable-frequency motor keeps being electrically connected from the other end of tremie pipe with cage; Air-blast device comprises blower fan, bellows, primary air piping, secondary air channel and feeding airduct, the air inlet of primary air piping arranges windshield plate and is communicated with bellows, the air outlet of primary air piping is communicated with ash bin, the air inlet of secondary air channel is communicated with bellows, the air outlet of secondary air channel is communicated with ventilating and cooling passage, the air inlet of feeding airduct is communicated with bellows, and the air outlet of feeding airduct is communicated with the side near blanking interface on tremie pipe.
Air-blast device in this structure, distribution box, automatic feeding device and automatic ignition device are unified connection and are fitted in casing, and structure is simplified compact.The jacket type structure of body of heater arranges and the guide pipe that fires be set on fire-outtaking tube makes combustion furnace more sturdy and durable, not fragile.Granular fuel by cage process dispels and is beneficial to Thorough combustion into furnace internal-lining by feeding airduct, and the air simultaneously blowing into furnace internal-lining from feeding airduct contributes to heat to be derived by fire-outtaking tube.Air is blown into furnace internal-lining by fire grate by primary air piping, increase oxygen-supplying amount, guarantee that particle burns totally completely, there is good efficiency of combustion, and eliminate imperfect combustion granular fuel to be deposited in and fire grate to result in blockage or the phenomenon of the easy coking of fire grate occurs, make body of heater more safe and reliable under the operating mode of long time running.
As preferably, the lateral wall of furnace internal-lining is coated with heat-preservation cotton.Play the effect preventing high temperature radiation loss heat energy, the air making secondary air channel blow into ventilating and cooling passage can not reduce the temperature of furnace internal-lining.
As preferably, furnace internal-lining comprises the end cap that the cylindrical shape inner bag body of hollow and seal cover are combined in inner bag body upper end.Reliably firm in structure, be easy to make.
As preferably, the material of furnace internal-lining forms and percentage by weight is cement 20%, industrial ground caustic 5%, alum 5%, mullite 30% and bauxite fine powder 40%, pours into a mould formation after its batching stirs with water.The making of this proportioning material, makes furnace internal-lining high temperature oxidation resisting, and under the operating mode of the long-term runnings such as temperature contrast is large, inclement condition, non-explosive rhegma is bad, and long service life is with low cost.
As preferably, the material of fire-outtaking tube is formed and percentage by weight is clay 30%, bauxite fine powder 20%, burntly protects stone 30%, mullite 15% and titanizing calcium 5%, pours into a mould formation after its batching stirs with water.The making of this proportioning material, makes fire-outtaking tube high temperature oxidation resisting, and non-explosive rhegma is bad, long service life.
As preferably, the lateral wall of fire-outtaking tube is coated with heat-preservation cotton.Play the effect preventing high temperature radiation loss heat energy, the air making secondary air channel blow into ventilating and cooling passage can not reduce the temperature of fire-outtaking tube.
As preferably, automatic ignition device comprises fuel tank, atomizer, igniter, fuel injector and oil filter, fuel tank is connected with fuel injector by oil filter, atomizer is arranged in primary air piping, fuel injector is connected with atomizer, igniter extends high-pressure ignition wire, and high-pressure ignition wire is arranged on the front end of atomizer.Automatic ignition, safe and reliable, and structure is simplified, easy to make.
As preferably, the air outlet of primary air piping is arranged towards fire grate in the shape that is inclined upwardly.Acclivitous air outlet contributes to smoothly air being imported furnace internal-lining by fire grate, provides sufficient oxygen supply.
As preferably, stove outer covering is provided with the spy fire tube being communicated with furnace internal-lining, visits fire tube and be provided with fire exploring hole, fire exploring hole arranges high temp glass.Arrange and visit the convenient particle burning situation of observing at any time in furnace internal-lining of fire tube, to carry out the how many adjustment of wind-force, firepower or feed in time.
Generally speaking, biological particles combustion furnace provided by the invention is applicable to Wooden Biomass fuel, as wood chip, bamboo bits, soybean straw, corn bar, kaoliang stalk, reed rod etc., and wherein biomass fuel composition:
Car=46.9%; Har=5.3%; Oar=37.9%; Nar=0.15%; Sar=0.05%; Mar=7.93%; Aar=1.77%; Low heat value Qnet.v.ar=14830KJ/kg; The straight warp of particle is 6--10mm; Particle length 10--35mm; Density 1200kg/m3.This structure is simplified, and is easy to make, with low cost.Firm in structure, good reliability, uses under being suitable for the bad working environments conditions such as large in the temperature difference, long-term running, explosion not easily occurs and damages.Possess better oxygen system, be beneficial to the Thorough combustion of particle burning thing totally, heat loss is little, and thermal conduction effect is good.Long service life, possesses good security performance.
Accompanying drawing explanation
Fig. 1 is a kind of agent structure schematic diagram of the present invention;
Fig. 2 is a kind of perspective structure schematic diagram of Fig. 1;
Fig. 3 is a kind of plan structure schematic diagram of Fig. 1.
In figure: 1-body of heater, 2-ash bin, 3-distribution control box, 4-furnace internal-lining, 5-stove outer covering, 6-fires guide pipe, 7-fire-outtaking tube, 8-fire grate, 9-loading hopper, 10-cage, 11-variable-frequency motor, 12-tremie pipe, 13-feeds in raw material flashboard, 14-bellows, 15-primary air piping, 16-secondary air channel, 17-feeding airduct, 18-ventilating and cooling passage, 19-windshield plate, 20-blower fan, 21-casing, 22-inner bag body, 23-end cap, 24-heat-preservation cotton, 25-fuel tank, 26-atomizer, 27-igniter, 28-fuel injector, 29-oil filter, 30-visits fire tube, 31-fire exploring hole, 32-high-pressure ignition wire.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the present invention are described in detail.
A kind of biological particles combustion furnace of the present invention as shown in Fig. 1 Fig. 2 Fig. 3, comprises body of heater 1, ash bin 2, air-blast device, distribution box 3, automatic feeding device, automatic ignition device and casing 21.Air-blast device, distribution box 3, automatic feeding device and automatic ignition device and casing 21 matched together, air-blast device is arranged on below automatic feeding device, and casing 21 is arranged on the side of body of heater 1, and ash bin 2 is arranged on below body of heater 1.Body of heater 1 forms jacket type structure by furnace internal-lining 4, stove outer covering 5.The clearance distance kept between furnace internal-lining 4 and stove outer covering 5 forms ventilating and cooling passage 18.Stove outer covering 5 arranges away from the sidewall of casing 21 side the guide pipe 6 that fires, and the guide pipe 6 that fires is arranged with fire-outtaking tube 7, and fire-outtaking tube 7 is communicated with furnace internal-lining 4.Conveniently observe the situation of granular fuel burning at any time, stove outer covering 5 is also provided with the spy fire tube 30 being communicated with furnace internal-lining 4, visit fire tube 30 and be provided with fire exploring hole 31, fire exploring hole arranges high temp glass.By the situation that fire exploring hole 31 is observed, the adjustment of wind-force, firepower or feed quantity delivered can be made in time.In order to reduce thermal loss, coated heat-preservation cotton 24 on the lateral wall of furnace internal-lining 4 and fire-outtaking tube 7 can be selected.Be provided with fire grate 8 between ash bin 2 and body of heater 1, fire grate 8 is fixed in the bottom of furnace internal-lining 4.Automatic feeding device comprises loading hopper 9, cage 10, variable-frequency motor 11 and tremie pipe 12, the filler interface of loading hopper 9 is stretched out outside casing 21, the discharging interface that loading hopper 9 is connected with tremie pipe 12 arranges cage 10, the top that described discharging interface is positioned at cage 10 arranges reinforced flashboard 13, one end of tremie pipe 12 blanking interface is communicated with furnace internal-lining 4 through the sidewall of stove outer covering 5, and variable-frequency motor 11 keeps being electrically connected from the other end of tremie pipe 12 with cage 10.Air-blast device comprises blower fan 20, bellows 14, primary air piping 15, secondary air channel 16 and feeding airduct 17, the air inlet of primary air piping 15 arranges windshield plate 19 and is communicated with bellows 14, the air outlet of primary air piping 15 is communicated with ash bin 2, in order to smoothly air be imported furnace internal-lining 4 by fire grate 8, sufficient oxygen supply is provided, the air outlet of primary air piping 15 is arranged in the shape that is inclined upwardly towards fire grate 8.The air inlet of secondary air channel 16 is communicated with bellows 14, and the air outlet of secondary air channel 16 is communicated with ventilating and cooling passage 18, and the air inlet of feeding airduct 17 is communicated with bellows 14, and the air outlet of feeding airduct 17 is communicated with the side near blanking interface on tremie pipe 12.
As a kind of embodiment of furnace internal-lining 4, it comprises the end cap 23 that the cylindrical shape inner bag body 22 of hollow and seal cover are combined in inner bag body 22 upper end.This practicality firm in structure, good reliability, is easy to make.In order to ensure that furnace internal-lining 4 possesses excellent high temperature oxidation resisting, be not subject to temperature difference influence and occur burst phenomenon, the material of preferred furnace internal-lining 4 forms and percentage by weight is cement 20%, industrial ground caustic 5%, alum 5%, mullite 30% and bauxite fine powder 40%, pours into a mould formation after its batching stirs with water.
As a kind of embodiment of fire-outtaking tube 7, in order to ensure it possess high temperature resistant, radiation loss is few, the performance not easily burst, the material formation and the percentage by weight that optimize fire tube 7 are clay 30%, bauxite fine powder 20%, burnt guarantor stone 30%, mullite 15% and titanizing calcium 5%, pour into a mould formation after its batching stirs with water.
As a kind of embodiment of automatic ignition device, as shown in Figure 2, automatic ignition device comprises fuel tank 25, atomizer 26, igniter 27, fuel injector 28 and oil filter 29, fuel tank 25 is connected with fuel injector 28 by oil filter 29, atomizer 26 is arranged in primary air piping 15, fuel injector 28 is connected with atomizer 26, igniter 27 extends high-pressure ignition wire 32, and high-pressure ignition wire 32 is arranged on the front end of atomizer 26.Start high-pressure ignition wire 32 igniting by atomization oil spout makes the granular fuel in furnace internal-lining 4 burn simultaneously, and easy to operate, security reliability is good.
The present invention is not limited to above-described embodiment, the jacket type structure of body of heater coordinates the syndeton of air-blast device, distribution box, automatic feeding device and automatic ignition device and casing matched together, the embodiment of the malformation that the known technology that those skilled in the art also can be adopted to obtain or the central equivalence of prior art are replaced.As long as have employed the present invention all to drop in protection scope of the present invention through the automatic feeding device of optimization and the embodiment of air-blast device and the preferably batching making formation of furnace internal-lining, fire-outtaking tube.
Claims (9)
1. a biological particles combustion furnace, it is characterized in that: comprise body of heater (1), ash bin (2), air-blast device, distribution box (3), automatic feeding device, automatic ignition device and casing (21), air-blast device, distribution box (3), automatic feeding device and automatic ignition device and casing (21) matched together, air-blast device is arranged on below automatic feeding device, casing (21) is arranged on the side of body of heater (1), and ash bin (2) is arranged on below body of heater (1), body of heater (1) forms jacket type structure by furnace internal-lining (4), stove outer covering (5), the clearance distance kept between furnace internal-lining (4) and stove outer covering (5) forms ventilating and cooling passage (18), stove outer covering (5) arranges away from the sidewall of casing (21) side the guide pipe (6) that fires, fire on guide pipe (6) and be arranged with fire-outtaking tube (7), fire-outtaking tube (7) is communicated with furnace internal-lining (4), be provided with fire grate (8) between ash bin (2) and body of heater (1), fire grate (8) is fixed in the bottom of furnace internal-lining (4), automatic feeding device comprises loading hopper (9), cage (10), variable-frequency motor (11) and tremie pipe (12), the filler interface of loading hopper (9) stretches out casing (21) outward, the discharging interface that loading hopper (9) is connected with tremie pipe (12) arranges cage (10), the top that described discharging interface is positioned at cage (10) arranges reinforced flashboard (13), one end of tremie pipe (12) blanking interface is communicated with furnace internal-lining (4) through the sidewall of stove outer covering (5), variable-frequency motor (11) keeps being electrically connected from the other end of tremie pipe (12) with cage (10), air-blast device comprises blower fan (20), bellows (14), primary air piping (15), secondary air channel (16) and feeding airduct (17), the air inlet of primary air piping (15) arranges windshield plate (19) and is communicated with bellows (14), the air outlet of primary air piping (15) is communicated with ash bin (2), the air inlet of secondary air channel (16) is communicated with bellows (14), the air outlet of secondary air channel (16) is communicated with ventilating and cooling passage (18), the air inlet of feeding airduct (17) is communicated with bellows (14), the air outlet of feeding airduct (17) is communicated with the upper side near blanking interface of tremie pipe (12).
2. biological particles combustion furnace according to claim 1, is characterized in that: the lateral wall of furnace internal-lining (4) is coated with heat-preservation cotton (24).
3. biological particles combustion furnace according to claim 1, is characterized in that: furnace internal-lining (4) comprises the end cap (23) that the cylindrical shape inner bag body (22) of hollow and seal cover are combined in inner bag body (22) upper end.
4. biological particles combustion furnace according to claim 1, it is characterized in that: the material of furnace internal-lining (4) forms and percentage by weight is cement 20%, industrial ground caustic 5%, alum 5%, mullite 30% and bauxite fine powder 40%, after its batching stirs with water, pour into a mould formation.
5. biological particles combustion furnace according to claim 1, it is characterized in that: the material of fire-outtaking tube (7) is formed and percentage by weight is clay 30%, bauxite fine powder 20%, burnt guarantor stone 30%, mullite 15% and titanizing calcium 5%, pours into a mould formation after its batching stirs with water.
6. biological particles combustion furnace according to claim 1, is characterized in that: the lateral wall of fire-outtaking tube (7) is coated with heat-preservation cotton (24).
7. biological particles combustion furnace according to claim 1, it is characterized in that: automatic ignition device comprises fuel tank (25), atomizer (26), igniter (27), fuel injector (28) and oil filter (29), fuel tank (25) is connected with fuel injector (28) by oil filter (29), atomizer (26) is arranged in primary air piping (15), fuel injector (28) is connected with atomizer (26), igniter (27) extends high-pressure ignition wire (32), high-pressure ignition wire (32) is arranged on the front end of atomizer (26).
8. biological particles combustion furnace according to claim 1, is characterized in that: the air outlet of primary air piping (15) is arranged towards fire grate (8) in the shape that is inclined upwardly.
9. biological particles combustion furnace according to claim 1, is characterized in that: stove outer covering (5) is provided with the spy fire tube (30) being communicated with furnace internal-lining (4), visits fire tube (30) and is provided with fire exploring hole (31), fire exploring hole arranges high temp glass.
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| CN201410351955.1A CN104235831A (en) | 2014-07-23 | 2014-07-23 | Biomass particle combustion furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410351955.1A CN104235831A (en) | 2014-07-23 | 2014-07-23 | Biomass particle combustion furnace |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791771A (en) * | 2015-05-05 | 2015-07-22 | 平度市林焱精密机械厂 | Plant particle fuel combustion furnace |
| CN104848204A (en) * | 2015-05-27 | 2015-08-19 | 黄伟健 | Open-type biomass gas combustion engine |
| CN104848203A (en) * | 2015-05-18 | 2015-08-19 | 苏州市亘晟涂装工程有限公司 | Biomass particle burner |
| CN105202528A (en) * | 2015-10-15 | 2015-12-30 | 新昌县丰泽机械有限公司 | Full-automatic integrated biomass combustion furnace |
| CN106179684A (en) * | 2016-08-29 | 2016-12-07 | 童杨益 | A kind of toothed disc type large volume wood waste material charcoal make-up machine |
| CN110345469A (en) * | 2019-07-21 | 2019-10-18 | 齐晓娟 | A kind of biomass energy-saving environment-protection combustion furnace |
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| CN103836614A (en) * | 2014-03-28 | 2014-06-04 | 张崇鑫 | Biomass burner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791771A (en) * | 2015-05-05 | 2015-07-22 | 平度市林焱精密机械厂 | Plant particle fuel combustion furnace |
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| CN106179684B (en) * | 2016-08-29 | 2018-05-15 | 童杨益 | A kind of toothed disc type large volume wood waste material charcoal make-up machine |
| CN110345469A (en) * | 2019-07-21 | 2019-10-18 | 齐晓娟 | A kind of biomass energy-saving environment-protection combustion furnace |
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