CN205535967U - Biomass burning device - Google Patents

Abstract

The utility model discloses a biomass combustion efficiency can be effectively improved, the not anti - formula biomass burning device that burns of complete combustion result such as burning volatility, tar is reduced to a heating equipment of based on the device is disclosed. This device utilizes the air feed third time after the especially main burning EP (end of program) of cubic air feed, makes the complete combustion's that fails combustion product such as burning volatility, tar burn at the flue gas relaying afterflame that the oxygen content is sufficient, effectively improve biomass combustion efficiency, reaches energy saving and emission reduction's purpose. Disclosed living beings heating stove has increased air feeder in grey room on burning formula equipment basic current with instead to make full use of feed inlet and lighting -up tuyere carry out the anti - device that burns of cubic air feed.

Description

A kind of biomass combustion device

Technical field

The present invention relates to biomass combustion, be specifically related to a kind of counter-burning type biomass combustion method and device thereof.

Background technology

Biomass combustion is inefficient is one of the reason of China's large area haze of existing stage, but existing biomass fuel burning technology can not effectively solve this problem.Mostly current biomass fuel burning technology is the anti-burning technology of shortest, biological material is made to carry out dry distilling and burning, it has been proposed that dry distilling, anti-burn and just burning the method combined, but do not solve just to burn supply and maintain relatively Gao Zhengshao district this contradiction of temperature simultaneously, it is difficult to reach intended combustion efficiency, efficiency of combustion does not the most effectively improve, particularly with the biomass fuel that the burning after-combustion volatile matters such as corncob and tar content are higher, the most effectively reduce imperfect combustion component content, be the subject matter that faces of current this area.To sum up, the prior art in biomass combustion field also exists the defect that efficiency of combustion is relatively low and emission is more.

Summary of the invention

It is an object of the invention to the defect for prior art existence, there is provided one can be effectively improved biomass combustion efficiency, reduce counter-burning type biomass combustion method and the device thereof of the burning imperfect combustion product such as volatile matter, tar, and disclose the heating equipment based on the method and device thereof.

The technical scheme is that

A kind of biomass fuel firing method:

A small amount of fuel is put into counter-burning type device and lights；

Described biomass are inserted in counter-burning type device, the biomass fuel inserted the most afterwards is above the fuel burnt, under machine power effect, device inner air moves downwards, and charging aperture and lighting-up tuyere are that counter-burning type device supplements air, carry out supplying for the first time, make below biomass relative to keeping certain negative pressure above biomass, make air enter above biomass, through biomass, arrive below biomass, form anti-burning；

If instead burning power to use heat power, then described biomass are inserted in counter-burning type device, the biomass fuel inserted the most afterwards is above the fuel burnt, due to combustion heat release, counter-burning type device internal temperature raises, connect the outside smoke evacuation system smoke evacuation of counter-burning type device, counter-burning type device bottom is made to produce certain negative pressure, device inner air moves downwards, and charging aperture and lighting-up tuyere are that counter-burning type device supplements air, carries out supplying for the first time, air is made to enter above biomass, through biomass, arrive below biomass, form anti-burning；

Above-mentioned ignition procedures can also be additive method, biomass fuel is the most first inserted counter-burning type device, then is lighted from bottom by biomass fuel, or directly a small amount of biomass fuel lighted put into counter-burning type device, is further continued for inserting biomass.

Anti-burning when, the technical program also carries out second time and supplies and third time supply.

Second time supply, air is provided in biomass combustion district, makes air enter from side, such that it is able to regulation combustion zone size, reach to regulate as required the purpose of biomass fuel combustion speed so that utilize the method disclosed in the present to carry out heating activity convenient；

Third time supply, bottom surface, combustion zone pressed close to below combustion zone by the pipeline utilizing the poroid pipeline in counter-burning type device wall or additionally increase provides a small amount of air, now act on due to anti-burning, air-flow drives combustion product gases and residue of combustion to move downward, third time supply can supplement oxygen-containing air again, make the volatile matter produced because biomass combustion is incomplete, tar, the materials such as carbon block obtain appropriate oxygen-containing air, can downwards and burn further during mouth motion of igniting, while improving efficiency of combustion, can effectively reduce the harmful substance in discharge flue gas, reach the effect of energy-saving and emission-reduction.Because supply position presses close to bottom surface, combustion zone, belonging to high-temperature area, the temperature in this region can't be reduced too many by a small amount of air provided, and it is less to supply region, and provided air also will not be diluted too fast, is not result in that intended burning can not occur.The defect place of this prior art the most just.

If the counter-burning type device internal diameter horizontal direction size used to compare biomass bigger, it is necessary to use fire grate out of control with the burning preventing from biomass fuel from caving in causing.

If it is less big that the counter-burning type device internal diameter horizontal size certainly used compares biomass, then aforementioned techniques method is enough.

If the counter-burning type device used has the aditus structure that internal diameter is gradually reduced from top to bottom, use in conjunction with fire grate, the biomass fuel burning caused of caving in then can be prevented fully expanding the size of filler chamber when out of control, now aditus structure should be on fire grate, the two contact, or at least press close to.

Foregoing first time supply, second time supply, third time supply, can be by an air supply opening, it is also possible to be to be provided by multiple air supply openings.Wherein the air supply opening of third time supply should be distributed in bottom surface, combustion zone below, and pressing close to bottom surface, combustion zone, if using fire grate, being then close to below fire grate.Fire grate in the present invention can be horizontally disposed with, it is also possible to is obliquely installed, and when being horizontally disposed with, air supply opening also horizontal distribution, when being obliquely installed, air supply opening is also obliquely installed, and the two is almost parallel, it is possible to the most staggered.Level described above, represents that the two distance is minimum and distance maximum does not the most affect the combustion-supporting effect that air provides, it is not required that perfectly level.

The method can be effectively improved biomass combustion efficiency, reaches the purpose of energy-saving and emission-reduction.Volatile matter in the residue of combustions such as Semen Maydis a species of orchid axle, biomass fuel effect that tar content is higher are especially apparent.

A kind of biomass heating furnace:

The design is a kind of counter-burning type biomass heating stove.

Body of heater and furnace body inside shape can be cylinder, cylindroid, square, cuboid or other custom shape, or combination that above-mentioned shape is all or part of or combination, in the middle part of furnace body inside or bottom is provided with fixing or dismountable fire grate, and body of heater is divided into upper furnace body and lower volume by fire grate.

Upper furnace body is the part of more than fire grate, including charging aperture, charging aperture is at upper furnace body side wall upper part or upper wall, or not only in side wall upper part but also at upper wall, or the hole after whole upper wall removal, now upper wall is i.e. as the lid of charging aperture, and in the case of other, charging aperture can choose whether to add a cover according to the needs that the size of heating stove and Actual combustion are warmed oneself, or arranges the controllable gate of adjustable size；The cavity of upper furnace body is as filler chamber, and when burning occurs, the bottom of filler chamber is as combustion zone；Set-point, the furnace wall burner of combustion zone, lighting-up tuyere in upper furnace body side near bottom position, connection body of heater interior or exterior space, can be used to light a fire, in the technical program, also as the device of second time supply, lighting-up tuyere can choose whether to add a cover according to the needs that the size of heating stove and Actual combustion are warmed oneself, or arranges the controllable gate of adjustable size.

Fire grate is arranged in the middle part of body of heater or bottom, can be one-body molded with body of heater, it is also possible to be fixedly installed, it is also possible to activity is arranged or detachable.In the design, the edge of the fire grate of indication refers to that the actual marginal surface contacted of combustion zone and fire grate, i.e. so-called fire grate edge refer to that fire grate actually occurs the edges of regions of effect.Fire grate can be one-body molded, it is also possible to is the combination of several parts, and the fire grate of combination is more suitable for the situation needing often to dismantle.

Upper furnace body arranges aditus structure and may be used for controlling the shapes and sizes of combustion zone, carrying out along with burning, biomass are ashed, volume reduces, aditus structure can make the biomass in podzolic process concentrate further to improve efficiency of combustion, and because diminishing of decline passway, can effectively control burning velocity.Aditus structure is used in combination with fire grate, and the biomass fuel burning caused of caving in can be avoided out of control.So-called aditus structure can be the bucket-shaped structure that upper furnace body inside side walls gradually tapers up formation from top to bottom, and bucket-shaped structure does not has bottom, and when combining fire grate and using, fire grate is as the end of aditus structure.Aditus structure can also be that the furnace wall inside side walls that any height in the top from upper furnace body or middle part starts to shrink at is constituted, it is also possible to is lower position.Aditus structure can also is that employing refractory material is separately made, fixing or dismountable be arranged on fire grate, and the top edge of aditus structure is close to furnace body inside wall.Aditus structure can contact or press close to fire grate, naturally it is also possible to is made of one or is mutually combined.Aditus structure can be one, it is also possible to be the combination of several parts.

If by more preferable for lateral effect that mouth of igniting is arranged on aditus structure.

Lower volume is the part of below fire grate horizontal level, and including mouth of igniting, mouth of igniting can be one, can also be multiple, be arranged on furnace wall, be generally arranged at sidewall, furnace bottom can also be arranged on, be mainly used to connect smoke evacuation system, make anti-burning be occurred and maintain；Ash room is formed by the cavity of lower volume, in order to collect the ashes after burning；It is provided with cleaning door in furnace wall or furnace bottom, the form of cleaning door has multiple, it can be the doorway that can cover, or the cavity entrance shape that drawer-like cinder catcher uses can be coordinated, can also be other any can be to realize the form of deashing function, requiring that cleaning door has preferable sealing when burning occurs, breathability is poor, or airtight.

Air inlet pipe is the emphasis of the present invention, role is the lower section in combustion zone, the region being close to combustion zone supplies, the combustible component having been detached from combustion zone during making anti-burning is burnt away, improve efficiency of combustion, reach energy-saving and emission-reduction purpose expected from the present invention, the form of air inlet pipe can also be multiple, the air inlet on furnace wall can be provided in, can also be other forms, the tubulose feeder the most separately set, or any can with region described above provide air shape, but air inlet pipe must be to be provided with air supply opening at furnace interior, it is provided with opening outside body of heater to communicate with air, with connection lower volume inner space and extraneous air.Under normal circumstances, negative pressure variation that the air inflow of air inlet pipe produces according to concrete combustion position and change, the air inlet of air inlet pipe is not added a cover, but the present invention also includes the air inlet pipe that uses larger caliber, add a cover or other devices regulation air inflow.Air inlet pipe, air inlet, the shape of air supply opening are as the criterion can realize supply, are not limited to concrete shape, and such as air inlet pipe can be square or circular, or other shapes.Air supply opening level inwardly, tiltedly under the effect that inwardly or downwardly arranges be better than other directions, naturally it is also possible to be that the independent assortment mode of three kinds of modes is arranged.

Air inlet pipe can be to be made up of a pipeline, and air inlet pipe two ends communicate through furnace wall with body of heater extraneous air, and air inlet pipe mid portion is at furnace body inside, almost parallel with fire grate, press close to fire grate edge, along fire grate curved edge in the form of a ring, be sized slightly larger than fire grate.

Air inlet pipe can also is that and connected and composed by a straight tube/bend pipe and an endless tube, described straight tube/bend pipe one end communicates inside described endless tube, the other end communicates through furnace wall with body of heater extraneous air, one or more air inlet it is provided with on described endless tube, described endless tube is arranged on furnace body inside, almost parallel with fire grate.Air supply opening is along fire grate edge horizontal direction dispersed and distributed.

Air inlet pipe can also is that a plurality of pipeline and an endless tube connect and compose, described a plurality of pipeline one end communicates inside described endless tube, the other end communicates through furnace wall with body of heater extraneous air, one or more air supply opening it is provided with on described endless tube, described endless tube is arranged on furnace body inside, almost parallel with fire grate.

Air inlet pipe can also is that a plurality of pipeline is constituted through furnace wall, connects body of heater inner air and outer air, and air supply opening presses close to fire grate.Air supply opening is along fire grate edge horizontal direction dispersed and distributed.

Air inlet pipe can be metal material, it is also possible to is pottery or other refractory material materials, can select according to biomass fuel feature.If air inlet pipe uses the tubulose feeder separately set, it is set to dismountable mounting means and can facilitate the maintenance to heating stove.The design does not repel and is fixedly installed air inlet pipe.

In order to improve the thermal efficiency of heating stove further, heating furnace wall can arrange heat exchange jacket structure, heat exchange jacket fabric connectivity external heat-exchanging device or heat abstractor, carry out heating activity, the design uses liquid as heat transferring medium, relative to gas heat exchange medium, heat abstractor surface temperature is the most moderate greater advantage to liquid heat transfer medium maintaining.Certainly the design does not the most repel gas as the heat-exchange system of heat transferring medium and cooling system.Gas medium or the employing of liquid medium, it is desirable to chuck sealing is good, be in processing technique it should be noted that.Chuck can be arranged on whole furnace wall scope or arbitrary portion scope, but it have been found that be arranged on thereabout region and ash chamber region effect more preferable.It addition, whether arrange chuck, using insulation material design furnace wall further or add in the design of furnace wall, can improve the thermal efficiency, preferably design is to make chuck with metal material.If the outer wall of heat exchange jacket is aided with the heat-insulation layer that insulation material is made, the thermal efficiency can further be promoted.

Heating stove can connect external heat removal system form the flow circuits of heat transferring medium with smoke evacuation system, heat exchanger composition heating equipment.If heating stove is provided with heat exchange jacket, can be connected with radiator by any one in heating stove furnace wall heat exchange jacket or heat exchanger, heating stove furnace wall heat exchange jacket connects with heat exchanger, it is also possible to be to each communicate with.Those skilled in the art can design mode of communicating and the junction point quantity of three with the feature of coupling collar mobilization force.

Heat exchanger can separate with smoke evacuation system, it is desirable to heat exchanger has the preferable shell of sealing, it is also possible to combine, and now heat exchanger uses the shell of smoke evacuation system as exhaust gases passes.

In order to reduce the smoke content in heating equipment discharge flue gas further, can add dust filtering device in smoke evacuation system, for easy to use, this dust filtering device is arranged removably.

When using funnel-shaped smokejack as smoke evacuation system, heat power makes counter to burn generation.Under cleaning door closure state, combustibles are added in the filler chamber of upper furnace body, light from lighting-up tuyere or otherwise light, or put into after lighting, biomass fuel is added from charging aperture, the combustion now caused due to igniting, furnace interior air themperature is made to raise, due to inserting of biomass fuel, blocking filler chamber space, compare charging aperture, lighting-up tuyere and air inlet pipe, smokejack provides more preferable discharge flue, flue gas and hot-air enter smokejack by mouth of igniting, through heat exchanger, exhaust opening from smokejack top is discharged, because smokejack height of smoke outlet is much larger than heating stove, so under the heat power effect that smokejack smoke evacuation produces, lower volume inner space is produced swabbing action, lower volume is made to form negative pressure relative to upper furnace body, thus there is anti-burning.Along with continuing of burning, this swabbing action the most persistently occurs, and anti-burning is continued.

Three supply occurred by charging aperture, lighting-up tuyere, air inlet pipe, are also occurred under same effect.

Above-mentioned ignition procedures and combustion process also can be by additional heat power or machine powers.

When flue gas is by heat exchanger, due to heat exchange effect, the heat exchange medium temperature in heat exchanger rises, and flows, distribute heat through radiator to surrounding, reach heating effect under heat power or machine power effect in flow circuits.If sidewall of the furnace body arranges heat exchange jacket, same heat exchange effect also occurring, medium heats up and enters flow circuits, participates in radiation processes.

Smoke evacuation system can be arranged as required to ash room and cleaning door.

Smoke evacuation system can also arrange heat exchange jacket, connects with heat transferring medium circulation channel, forms flow circuits, can improve heating effect further.

Above-mentioned biomass ignition procedures can be first to insert biomass, then lights from lighting-up tuyere or ash room, makes counter to burn generation with self heat power or by additionaling power.

Accompanying drawing explanation

Fig. 1 is heating stove Facad structure schematic diagram.

Fig. 2 is heating stove right view.

Fig. 3 is heating stove left view.

Fig. 4 is a kind of air inlet pipe schematic diagram.

Fig. 5 is another kind of air inlet pipe schematic diagram.

Fig. 6 is biomass heating equipment structural representations.

Wherein: 1, heating stove；2, charging aperture；3, lighting-up tuyere；4, air inlet pipe；5, cleaning door；6, upper furnace body；7, lower volume；8, ash room；9, air supply opening；10, ignite mouth；11, fire grate；12, aditus structure；13, heat exchange jacket；14, smoke evacuation system；15, heat exchanger；16, external heat removal system；17, smokejack cleaning door；18, smokejack ash room；19, filler chamber；20, smokejack heat exchange jacket；21, dust filtering device.

Detailed description of the invention

The open a kind of biomass heating furnace of biomass the present embodiment, including body of heater, fire grate 11, body of heater 1 is divided into upper furnace body 6 and lower volume 7 by described fire grate 11, described upper furnace body 6 includes charging aperture 2, filler chamber 19, lighting-up tuyere 3, described charging aperture 2 is at upper furnace body upper wall, described lighting-up tuyere 3 in upper furnace body side near bottom position, described lower volume 7 includes mouth 10 of igniting, ash room 8, cleaning door 5, air inlet pipe 4, described cleaning door 5 can close, described air inlet pipe air supply opening 9 is below fire grate 11, press close to fire grate, the other end communicates through furnace wall with body of heater extraneous air.

In the present embodiment charging aperture 2 and lighting-up tuyere 3 or one of them utilize lid or door to make the adjustable structure of size so that in the anti-generation burnt and time-continuing process, the regulation and control to burning velocity are more prone to.

The open a kind of biomass heating furnace of the present embodiment, uses aditus structure 12 to control the shape of combustion zone on the basis of above-mentioned heating stove, it is also possible to avoids the combustion zone biomass fuel caused that caves in cave in, makes burning out of control.Burning can be made more controllable in conjunction with fire grate 11, it is to avoid the combustion zone effect that the biomass fuel caused caves in of caving in is also more preferable, and fire grate 11 is in contact with it in the bottom surface of aditus structure 12.

The open a kind of biomass heating furnace of the present embodiment, makes horizontal direction cross section inside aditus structure 12 upper furnace body start to be gradually reduced in the middle part of the vertical direction of upper furnace body on the basis of a upper heating stove, and to fire grate 11, cross section is minimum.

The open a kind of biomass heating furnace of the present embodiment, makes aditus structure 12 cross section in the horizontal direction generally circular on the basis of a upper heating stove.

nullThe open a kind of biomass heating furnace of the present embodiment，Including body of heater，Fire grate 11，Body of heater 1 is divided into upper furnace body 6 and lower volume 7 by described fire grate 11，Described upper furnace body 6 includes charging aperture 2，Filler chamber 19，Lighting-up tuyere 3 is arranged on aditus structure 12，Described charging aperture 2 is at upper furnace body upper wall，Described lighting-up tuyere 3 in upper furnace body side near bottom position，Described lower volume 7 includes mouth 10 of igniting，Ash room 8，Cleaning door 5，Air inlet pipe 4 is connected and composed by a straight tube and an endless tube，Straight tube one end communicates with inside endless tube，The other end communicates through furnace wall with body of heater extraneous air，One or more air supply opening 9 it is provided with on endless tube，Described cleaning door 5 can close，Described air inlet pipe air supply opening 9 is below fire grate 11，Press close to fire grate 11，The other end communicates through furnace wall with body of heater extraneous air，Air supply opening 9 is tiltedly lower inwardly to be arranged，Aditus structure 12 is separately made with refractory material，It is arranged on fire grate.

In the present embodiment, aditus structure 12 is set to dismountable.

In the present embodiment, sidewall of the furnace body is provided with heat exchange jacket 13.Heat exchange jacket 13 has good sealing, can connect with outside plant, such as heat exchanger or radiator, it is achieved the heating function of larger area.

The present embodiment is open a kind of by above-mentioned heating stove 1 and heat exchanger 15, the heating equipment of smoke evacuation system 14 composition, mouth 10 of igniting on described heating stove 1 is connected with smoke evacuation system 14, it is internal that described heat exchanger 15 is arranged on smoke evacuation system 14, heat exchanger 15 is connected with external heat removal system, heating stove furnace wall heat exchange jacket 13 is connected with heat exchanger 15, forms flow circuits, and heat transferring medium is liquid；During use, the high heat smoke that in described heating stove 1, biomass combustion produces enters smoke evacuation system by mouth 10 of igniting, through heat exchanger 15, flue gas after heat exchange is discharged from smoke evacuation system 14 with waste heat, produce the negative pressure required for anti-burning simultaneously, in heating stove furnace wall heat exchange jacket 13 and heat exchanger 14, heated medium enters cooling system, reaches heating effect.

Smoke evacuation system in the present embodiment is smokejack, smokejack ash room 18 and smokejack cleaning door 17 it is provided with bottom smokejack, described smokejack ash room 18 is made up of space between bottom heat exchanger 14 and bottom smokejack, described smokejack cleaning door 17 is arranged on smokejack ash room 18 lower sidewall, and smokejack cleaning door 17 can close.In smokejack, being provided above dust filtering device 21 at heat exchanger, this dust filtering device 21 is detachable.When biomass heating equipment uses, the flue gas that band has surplus heat rises along smokejack, through dust filtering device 21, the flue gas being cleaned is discharged from smokejack top exit, smokejack is provided with smokejack heat exchange jacket 20, connecting with body of heater heat exchange jacket 13 and heat exchanger 15 and external heat removal system, form flow circuits, heat transferring medium is liquid medium.

The design includes but not limited to shown in embodiment and accompanying drawing.

Claims (32)

1. a biomass heating furnace, including body of heater, fire grate (2), it is characterized in that: body of heater is divided into upper furnace body (6) and lower volume (7) by described fire grate (2), described upper furnace body (6) includes charging aperture (2), filler chamber (19), lighting-up tuyere (3), described charging aperture (2) is at upper furnace body (6) side wall upper part and/or upper wall, described lighting-up tuyere (3) in upper furnace body (6) side near bottom position, described lower volume (7) includes mouth (10) of igniting, ash room (8), cleaning door (5), air inlet pipe (4), described cleaning door (5) can close, described air inlet pipe (4) air supply opening (9) is in fire grate (2) lower section, press close to fire grate (2), the other end communicates through furnace wall with body of heater extraneous air.

Biomass heating furnace the most according to claim 1, it is characterised in that: described charging aperture (2) and/or lighting-up tuyere (3) size scalable.

Biomass heating furnace the most according to claim 2, it is characterised in that: described air inlet pipe (4) is detachable.

Biomass heating furnace the most according to claim 3, it is characterised in that: described upper furnace body (6) inner side horizontal direction cross section is gradually reduced from top to bottom, forms bucket-shaped aditus structure (12).

Biomass heating furnace the most according to claim 4, it is characterized in that: described aditus structure (12) is that in the middle part of the vertical direction of upper furnace body (6) or bottom starts to be gradually reduced upper furnace body (6) inner side horizontal direction cross section, minimum to fire grate (2) place cross section.

Biomass heating furnace the most according to claim 5, it is characterised in that: described aditus structure (12) cross section in the horizontal direction is generally circular.

Biomass heating furnace the most according to claim 6, it is characterised in that: described lighting-up tuyere (3) is arranged on described aditus structure (12).

Biomass heating furnace the most according to claim 7, it is characterised in that: described aditus structure (12) is made up of refractory material.

Biomass heating furnace the most according to claim 8, it is characterised in that: described aditus structure (12) is detachable.

10. according to the biomass heating furnace described in any one in claim 1 ~ 9, it is characterised in that: inwardly or downwardly arrange under described air supply opening (9) level is inside or oblique.

11. biomass heating furnaces according to claim 10, it is characterized in that: described air inlet pipe (4) is made up of a pipeline, air inlet pipe (4) two ends communicate through furnace wall with body of heater extraneous air, air inlet pipe (4) mid portion is at furnace body inside, almost parallel with fire grate (2), pressing close to fire grate (2) edge, along fire grate (2) curved edge in the form of a ring, size is more than fire grate (2).

12. biomass heating furnaces according to claim 10, it is characterized in that: described air inlet pipe (4) is connected and composed by a straight tube/bend pipe and an endless tube, described straight tube/bend pipe one end communicates inside described endless tube, the other end communicates through furnace wall with body of heater extraneous air, one or more air supply opening (9) it is provided with on described endless tube, described endless tube is arranged on furnace body inside, almost parallel with fire grate (2).

13. biomass heating furnaces according to claim 12, it is characterized in that: described air inlet pipe (4) is pressed close at fire grate (2) place edge of opening with upper furnace body (6) in furnace body inside part, described air supply opening (9) is along fire grate (2) edge horizontal direction dispersed and distributed.

14. biomass heating furnaces according to claim 13, it is characterised in that: described straight tube/bend pipe has a plurality of.

15. according to the biomass heating furnace described in any one in claim 10, it is characterised in that: described air inlet pipe (4) is detachable.

16. according to the biomass heating furnace described in any one in claim 1 ~ 9, it is characterised in that: described air inlet pipe (4) has a plurality of, and air supply opening (9) is along fire grate (2) edge horizontal direction dispersed and distributed.

17. biomass heating furnaces according to claim 16, it is characterised in that: described air inlet pipe (4) air inlet port size scalable.

18. biomass heating furnaces according to claim 11, it is characterised in that: described furnace wall is provided with heat exchange jacket (13).

19. biomass heating furnaces according to claim 13, it is characterised in that: described furnace wall is provided with heat exchange jacket (13).

20. 1 kinds of biomass heating equipment, including heating stove according to claim 18 (1), heat exchanger (15), smoke evacuation system (16), it is characterized in that: the mouth of igniting (10) on described heating stove (1) is connected with smoke evacuation system (16), it is internal that described heat exchanger (15) is arranged on smoke evacuation system (16), heat exchanger (15) is connected with external heat removal system, heating stove (1) furnace wall heat exchange jacket (13) connects with heat exchanger (15) and/or external heat removal system, forming flow circuits, heat transferring medium is liquid；

During use, the high heat smoke that in described heating stove (1), biomass combustion produces enters smoke evacuation system (16) by mouth of igniting (10), through heat exchanger (15), flue gas after heat exchange is discharged under heat power and/or machine power effect with waste heat, produce the negative pressure required for anti-burning, making anti-burning occur and continue, in heating stove (1) furnace wall heat exchange jacket (13) and heat exchanger (15), heated medium enters cooling system under heat power and/or machine power effect, reaches heating effect.

21. biomass heating equipment according to claim 20, it is characterized in that: described smoke evacuation system (16) is smokejack, smokejack ash room (18) and smokejack cleaning door (17) it is provided with bottom smokejack, described smokejack ash room (18) is made up of space between bottom heat-exchange system and bottom smokejack, described smokejack cleaning door (17) is arranged on smokejack ash room (18) lower sidewall, smokejack cleaning door (17) can close, when biomass heating equipment uses, the flue gas that band has surplus heat is discharged from smokejack top exit.

22. biomass heating equipment according to claim 21, it is characterised in that: described smokejack is provided with heat exchange jacket (13), connects with heating stove (1) furnace wall heat exchange jacket (13) and/or heat exchanger (15) and/or cooling system.

23. biomass heating equipment according to claim 22, it is characterised in that: the heat exchange jacket (13) of described biomass heating furnace (1) furnace wall is made up of metal material.

24. biomass heating equipment according to claim 23, it is characterised in that: the heat exchange jacket (13) of described biomass heating furnace (1) furnace wall is outside equipped with heat-insulation layer.

25. biomass heating equipment according to claim 24, rise and are characterised by: described smokejack is provided with dust filtering device (21).

26. 1 kinds of biomass heating equipment, including heating stove according to claim 19 (1), heat exchanger (15), smoke evacuation system (16), it is characterized in that: the mouth of igniting (10) on described heating stove (1) is connected with smoke evacuation system (16), it is internal that described heat exchanger (15) is arranged on smoke evacuation system (16), heat exchanger (15) is connected with external heat removal system, heating stove (1) furnace wall heat exchange jacket (13) is connected with heat exchanger (15) and/or external heat removal system, forming flow circuits, heat transferring medium is liquid；

During use, the high heat smoke that in described heating stove (1), biomass combustion produces enters smoke evacuation system (16) by mouth of igniting (10), through heat exchanger (15), flue gas after heat exchange is discharged under heat power and/or machine power effect with waste heat, produce the negative pressure required for anti-burning, making anti-burning occur and continue, in heating stove (1) furnace wall heat exchange jacket (13) and heat exchanger (15), heated medium enters cooling system under heat power and/or machine power effect, reaches heating effect.

27. biomass heating equipment according to claim 26, it is characterized in that: described smoke evacuation system (16) is smokejack, smokejack ash room (18) and smokejack cleaning door (17) it is provided with bottom smokejack, described smokejack ash room (18) is made up of space between bottom heat-exchange system and bottom smokejack, described smokejack cleaning door (17) is arranged on smokejack ash room (18) lower sidewall, smokejack cleaning door (17) can close, when biomass heating equipment uses, the flue gas that band has surplus heat is discharged from smokejack top exit.

28. biomass heating equipment according to claim 27, it is characterised in that: described smokejack is provided with heat exchange jacket (13), connects with heating stove (1) furnace wall heat exchange jacket (13) and/or heat exchanger (15) and/or cooling system.

29. biomass heating equipment according to claim 28, it is characterised in that: the heat exchange jacket (13) of described biomass heating furnace (1) furnace wall is made up of metal material.

30. biomass heating equipment according to claim 29, it is characterised in that: the heat exchange jacket (13) of described biomass heating furnace (1) furnace wall is outside equipped with heat-insulation layer.

31. biomass heating equipment according to claim 30, rise and are characterised by: described smokejack is provided with dust filtering device (21).

32. 1 kinds of biomass heating equipment, including heating stove according to claim 10 (1), heat exchanger (15), smoke evacuation system (16), it is characterized in that: the mouth of igniting (10) on described heating stove (1) is connected with smoke evacuation system (16), it is internal that described heat exchanger (15) is arranged on smoke evacuation system (16), and heat exchanger (15) is connected with external heat removal system, forming flow circuits, heat transferring medium is liquid；

During use, the high heat smoke that in described heating stove (1), biomass combustion produces enters smoke evacuation system (16) by mouth of igniting (10), through heat exchanger (15), flue gas after heat exchange is discharged under heat power and/or machine power effect with waste heat, produce the negative pressure required for anti-burning, making anti-burning occur and continue, in heat exchanger (15), heated medium enters cooling system under heat power and/or machine power effect, reaches heating effect.