CN104697164B - A kind of burner - Google Patents

A kind of burner Download PDF

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Publication number
CN104697164B
CN104697164B CN201510096031.6A CN201510096031A CN104697164B CN 104697164 B CN104697164 B CN 104697164B CN 201510096031 A CN201510096031 A CN 201510096031A CN 104697164 B CN104697164 B CN 104697164B
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China
Prior art keywords
heat
combustion chamber
exchange device
chamber
air
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CN201510096031.6A
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CN104697164A (en
Inventor
李铁辉
崔超
李英杰
贺乐平
彭韩非
喻南桂
丁福庆
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Hunan Nongyou Shengtai Agricultural Technology Co ltd
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Hu'nan Nongyou Machinery Group Co Ltd
Peasant Sheng Tai Agricultural Science And Technology Co Ltd Of Hunan Province
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Publication of CN104697164A publication Critical patent/CN104697164A/en
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Abstract

This application provides a kind of burner, burning for biomass fuel, including, feed arrangement, air-blast device, combustion chamber and heat-exchanging chamber, the feed arrangement and the combustion chamber, lighting-up tuyere is provided with the combustion chamber, the combustion chamber is connected with the heat-exchanging chamber, exhanst gas outlet is provided with the heat-exchanging chamber, the first heat-exchange device is provided with the heat-exchanging chamber, heat outlet is connected with first heat-exchange device, the air-blast device is used for the air blast into the combustion chamber, it is characterized in that, housing is provided with the outside of the combustion chamber, the housing heats space with forming first on the outside of the combustion chamber, first gas entrance is provided with the housing to allow air to enter the described first heating space, the first heating space is connected with first heat-exchange device.The burner that the present invention is provided, improves the utilization rate to biomass fuel calory burning.

Description

A kind of burner
Technical field
The application is related to technical field of combustion equipment, more particularly to a kind of divided combustion device, and the burner is used to give birth to The burning of biomass fuel.
Background technology
Biomass fuel refers to biological material burning as fuel, typically mainly agriculture and forestry organic waste material, such as stalk, saw End, bagasse, rice chaff etc., the main distinction is in fossil fuel.In current national policy and environmental protection standard, directly burn biological Matter fuel belongs to high pollution fuel, is only used in the brick kitchen range in rural area, not in being used in city.The application of biomass fuel Mainly biomass molding fuel, i.e., by techniques such as crushing, mixing, extruding, drying, make agriculture and forestry organic waste material as raw material Into various shapings such as a kind of granular, the clean fuel that can directly burn.
Shaping such as granular bio-fuel is biomass granule fuel, with the extensive utilization of biomass granule fuel, Burner for biomass burning granular fuel is produced therewith.
Existing burner includes feed arrangement, combustion chamber and heat-exchanging chamber, and combustion chamber is connected with heat-exchanging chamber, feeds Biomass granule fuel is delivered in combustion chamber by device, and biomass granule fuel fully burns in combustion chamber, and burning is produced Thermal current enter heat-exchanging chamber, heat-exchange device is provided with heat-exchanging chamber, into the thermal current in heat-exchanging chamber to heat Cold air in switch is heated, and the cold air in heat-exchange device goes out after being heated from the hot gas on heat-exchange device Mouth is conveyed out being used.
Later, inventor has found, existing burner to the utilization rate of the heat produced by biomass fuel combustion too It is low.
The content of the invention
The present invention provides a kind of burner, improves the utilization rate to biomass fuel calory burning.
The technical scheme that the present invention is provided is as follows:
A kind of burner, for the burning of biomass fuel, including, feed arrangement, air-blast device, combustion chamber, exchange Room, the feed arrangement and the combustion chamber, are provided with lighting-up tuyere, the combustion chamber and the heat on the combustion chamber Switch room is connected, and exhanst gas outlet is provided with the heat-exchanging chamber, and the first heat exchange dress is provided with the heat-exchanging chamber Put, heat outlet is provided with first heat-exchange device, the air-blast device is used for the air blast into the combustion chamber, Housing is provided with the outside of the combustion chamber, the housing heats space with forming first on the outside of the combustion chamber, in the housing On be provided with first gas entrance with allow air to enter described first heating space, it is described first heating space with it is described First heat-exchange device is connected.
It is preferred that, the heat-exchanging chamber includes the first heat-exchanging chamber and the second heat-exchanging chamber, first heat-exchange device It is arranged in first heat-exchanging chamber, the second heat-exchange device is provided with second heat-exchanging chamber, described second Second gas entrance is provided with heat-exchange device, second heat-exchange device is connected with the heat outlet.
It is preferred that, smoke discharge tube road is installed on the exhanst gas outlet, set on the outside of the smoke discharge tube road There is flue gas shell, the flue gas shell heats space with smoke discharge tube road formation second, set on the flue gas shell Third gas entrance is equipped with, the second heating space is connected with the described first heating space.
It is preferred that, the air-blast device include air blower, the first airduct and the second airduct, first airduct with it is described Second airduct is connected with the air blower respectively, first airduct and the combustion chamber, second airduct with it is described Combustion chamber, first airduct is in the top of second airduct.
It is preferred that, the feed arrangement includes fuel tank and feeding mechanism, and the fuel tank is used to store fuel, it is described enter Material mechanism is used to the fuel in the fuel tank being delivered in the combustion chamber.
It is preferred that, the feeding mechanism includes variable speed electric motors, particularly and feeding packing auger, the variable speed electric motors, particularly be used to controlling it is described enter Fuel in the fuel tank is delivered in the combustion chamber by material auger.
It is preferred that, it is provided with grate in the combustion chamber.
It is preferred that, the first slag-drip opening is provided with the sidewall of combustion chamber.
It is preferred that, the heat outlet is provided with air exhauster.
It is preferred that, it is provided with the second slag-drip opening on the side wall of second heat-exchanging chamber.
The burner that the present invention is provided, due to being provided with housing on the outside of combustion chamber, housing on the outside of combustion chamber with forming First heating space, is provided with first gas entrance to allow air to enter the first heating space, first adds on housing Heat space is connected with the second heat-exchange device, therefore, and heat of the biomass fuel produced by during combustion chambers burn can Cold air in first heating space is heated, the air after being heated in the first heating space enters back into heat-exchanging chamber Row heating, the heating of cold air is applied in during biomass fuel combustion, and produced after biomass fuel combustion Heat enters the heat exchanging process of heat-exchanging chamber, and this improves the utilization rate to biomass fuel calory burning.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work, Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of burner provided in an embodiment of the present invention;
Fig. 2 is the structural representation of burner provided in an embodiment of the present invention.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, it is real below in conjunction with the application The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described implementation Example only some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, this area is common The every other embodiment that technical staff is obtained under the premise of creative work is not made, should all belong to the application protection Scope.
The embodiment of the present invention is write by the way of progressive.
Please as shown in Figure 1 and Figure 2, the embodiment of the present invention provides a kind of burner, and the burner is used for biomass fuel Burning, including feed arrangement 1, air-blast device 2, combustion chamber 3 and heat-exchanging chamber 4, feed arrangement 1 connects with combustion chamber 3, firing Burn and be provided with lighting-up tuyere 5 on room 3, combustion chamber 3 is connected with heat-exchanging chamber 4, exhanst gas outlet 6 is provided with heat-exchanging chamber 4, in heat The first heat-exchange device 51 is provided with switch room 4, heat outlet 7, air-blast device 2 are connected with the first heat-exchange device 51 For the air blast into combustion chamber 3, wherein, housing 8 is provided with the outside of combustion chamber 3, housing 8 forms first with the outside of combustion chamber 3 Space 9 is heated, first gas entrance 10 is provided with housing 8 to allow air to enter the first heating space 9, first adds Heat space 9 is connected with the first heat-exchange device 51.
Burner provided in an embodiment of the present invention, feed arrangement 1 conveys biomass fuel into combustion chamber 3, passes through point Burner 5 lights the biomass fuel in combustion chamber 3, it is burnt, and passes through the air blast into combustion chamber 3 of air-blast device 2 so that outer The air on boundary enters combustion chamber 3, and not only oxygen is provided for biomass fuel during burning, and can be by the life of poly- heap Biomass fuel spreads out, and the heat that biomass fuel is produced after fully burning enters in heat-exchanging chamber 4, due in burning The outside of room 3 is provided with housing 8, and housing 8 forms first with the outside of combustion chamber 3 and heats space 9, and the first gas is provided with housing 8 Body entrance 10 is provided with the first heat-exchange device 51 to allow air to enter in the first heating space 9, heat-exchanging chamber 4, the One heating space 9 is connected with the first heat-exchange device 51, and extraneous cold sky is entering the first heat-exchange device 51 in heat-exchanging chamber 4 Before, first gas entrance 10 is first passed through to enter during the biomass fuel combustion in the first heating space 9, combustion chamber 3 also Heat is produced, into the cold air in the first heating space 9 first by producing during the biomass fuel combustion in combustion chamber 3 Heat is heated, and the air in the first heating space 9 enters after the first heat-exchange device 51 in heat-exchanging chamber 4, by biology The hot-air that matter fuel combustion is produced is heated, therefore, compared with prior art, burning dress provided in an embodiment of the present invention Put the utilization rate of heat produced by improving biomass fuel combustion.
Wherein, the heat-exchanging chamber 4 in the embodiment of the present invention includes the first heat-exchanging chamber 41 and the second heat-exchanging chamber 42, first Heat-exchange device 51 is arranged in the first heat-exchanging chamber 41, and the second heat-exchange device 52 is provided with the second heat-exchanging chamber 42, Second gas entrance 11 is provided with the second heat-exchange device 52, the second heat-exchange device 52 is connected with heat outlet 7.
When the air after the first heat-exchange device 51 heating in the first heat-exchanging chamber 41, entered by heat outlet 7 Enter to utilize link.Hot gas produced by biomass fuel combustion, by the first heat-exchange device in the first heat-exchanging chamber 41 After 51 heat exchanges, into the second heat-exchanging chamber 42, extraneous cold air enters the second heat exchange by second gas entrance 11 Device 52, carries out after the cold air heating in heat exchange heating, the second heat-exchange device 52, is entered by heat outlet 7 and utilized Link.The setting of second heat-exchanging chamber 42 and the second heat-exchange device 52, can more fully utilize biomass fuel combustion Produced heat, improves the utilization rate of the energy produced by biomass fuel combustion.
Wherein, the first heat-exchange device 51 and the second heat-exchange device 52 are preferred to use heat exchanging pipe, heat-exchange tube Road is in the first heat-exchanging chamber 41 with being uniformly distributed in the second heat-exchanging chamber 42, naturally it is also possible to uneven distribution.
More preferably, structure as shown in Figure 1 and Figure 2, the first heat-exchange device 51 is erected in the first heat-exchanging chamber 41 Directly it is uniformly arranged, the second heat-exchange device 52 horizontal homogeneous in the second heat-exchanging chamber 42 is set.Wherein, the second heat-exchange device 52 are horizontally disposed with, and the impurity in the hot gas produced by biomass fuel combustion can not only be played a role in filtering, but also Flowing velocity of the hot gas in the second heat-exchanging chamber 42 can be slowed down, be that the heat exchange of the second heat-exchange device 52 is more filled Point.
Certainly, the first heat-exchange device 51 can be also horizontally disposed with the first heat-exchanging chamber 41, the second heat-exchange device 52 It can be also vertically arranged in the second heat-exchanging chamber 42;It is also possible that the first heat-exchange device 51 and the second heat-exchange device 52 are equal It is horizontally disposed with, or the first heat-exchange device 52 is vertically arranged with the second heat-exchange device 52.
It is also possible that the setting of the first heat-exchange device 51 and the second heat-exchange device 52 with level at an angle.
In the embodiment of the present invention, smoke discharge tube road 12 is installed on exhanst gas outlet 6, in the outside of smoke discharge tube road 12 Flue gas shell 13 is provided with, flue gas shell 13 heats space 14 with the formation of smoke discharge tube road 12 second, on flue gas shell 13 Third gas entrance 15 is provided with, the second heating space 14 is connected with the first heating space 9.
When the hot gas produced by biomass fuel combustion enters by the second heat-exchanging chamber 42 with the second heat-exchange device 52 After row heat exchange, also there is pre- waste heat in hot gas, is reasonably utilized in order that obtaining the waste heat, be set in the outside of flue 12 It is equipped with flue gas shell 13, space 14 is heated in flue gas shell 13 and the formation of smoke discharge tube road 12 second, cool ambient air passes through the Three gas accesses 15 enter second and heat space 14, make to carry out hot friendship by the second heat-exchanging chamber 42 and the second heat-exchange device 52 The cold air in space 14 is heated in hot gas heating second after changing, then air in the second heating space 14 after heating Converge with the air in the first heating space 9, follow-up utilization link is entered by heat outlet 7.
The setting in the second heating space 14, the heat produced by making biomass fuel combustion is more fully utilized, Improve the utilization rate of heat.
Air-blast device 2 in the embodiment of the present invention includes air blower 20, the first airduct 21 and the second airduct 22, the first airduct 21 are connected with air blower 20 respectively with the second airduct 22, and the first airduct 21 is connected with combustion chamber 3, the second airduct 22 and combustion chamber 3 Connection, the first airduct 21 is in the top of the second airduct 22.
, under gravity can be in heaps when biomass fuel is delivered to combustion chamber 3 by feed arrangement 1, during ignition, Occur that the insufficient situation of the burning of surface combustion occurs, therefore, the second airduct 22 of air-blast device 2 can be in feed arrangement 1 when biomass fuel is delivered in combustion chamber 3, and biomass fuel is blown, and it is in suspended state to be allowed to so that biomass fuel Burning is abundant.
Later inventor has found, after then biomass is blown afloat by the second airduct 22, although can disperse, but is due to burning Indoor oxygen is not enough, causes biomass fuel combustion equally insufficient, therefore, first is provided with the top of the second airduct 22 Airduct 21, the setting of the first airduct 21 can not only play a driving role to dispersity of the biomass fuel in combustion chamber 3, And can will provide sufficient oxygen so that biomass fuel fully burns in combustion chamber 3.
In the embodiment of the present invention, feed arrangement 1 includes fuel tank 101 and feeding mechanism 102, and fuel tank 101 is used to store Fuel, feeding mechanism 102 is used to the fuel in fuel tank 101 being delivered in combustion chamber 3.
Wherein, feeding mechanism 102 preferably includes variable speed electric motors, particularly 1021 and feeding packing auger 1022, and variable speed electric motors, particularly 1021 is used to control Fuel in fuel tank 101 is delivered in combustion chamber 3 by feeding packing auger 1022 processed.
Wherein, variable speed electric motors, particularly 1021 and the setting of feeding packing auger 1022, enable to the biomass fuel entered in combustion chamber 3 The amount of material is precisely controlled.
Certainly, feeding mechanism 102 can also include a detection means and control device, and detection means can be used for detection Temperature in combustion chamber, or oxygen content so that pass through control device control variable speed electric motors, particularly 1021 speed, realize charging Auger 1022 adjusts inlet amount.
In the embodiment of the present invention, grate 16 is provided with combustion chamber 3.Specifically, the setting of grate 16, will can not have The complete biomass fuel that burns is blocked, and is then blown and burn again by the second airduct 22.
Air exhauster 18 is provided with heat outlet 7, the setting of air exhauster 18 can be the first switch 51, second The operation of gas provides enough power in the heating of switch 52 and second space 14.
In the embodiment of the present invention, the first slag-drip opening 17 is provided with the side wall of combustion chamber 3, in the side of the second heat-exchanging chamber 42 The second slag-drip opening 19 is provided with wall.Wherein, the first slag-drip opening 17 is used to discharge biomass fuel in combustion chamber 3 after burning Impurity, the second slag-drip opening 19 is used to discharge the impurity that thermal current is filtered by the second heat-exchange device 52 in the second heat-exchanging chamber 42.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention. A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one The most wide scope caused.

Claims (9)

1. a kind of burner, for the burning of biomass fuel, including, feed arrangement (1), air-blast device (2), combustion chamber (3) with heat-exchanging chamber (4), the feed arrangement (1) connects with the combustion chamber (3), set a little on the combustion chamber (3) Burner (5), the combustion chamber (3) is connected with the heat-exchanging chamber (4), and exhanst gas outlet is provided with the heat-exchanging chamber (4) (6) the first heat-exchange device (51), is provided with the heat-exchanging chamber (4), in first heat-exchange device (51) connection There is heat outlet (7), the air-blast device (2) is used for the combustion chamber (3) interior air blast, it is characterised in that in the burning Housing (8) is provided with the outside of room (3), the housing (8) is with forming the first heating space (9) on the outside of the combustion chamber (3), in institute State and be provided with first gas entrance (10) on housing (8) to allow air to enter the described first heating space (9), described the One heating space (9) is connected with first heat-exchange device (51);Wherein, flue gas is installed on the exhanst gas outlet (6) Discharge line (12), is provided with flue gas shell (13) on the outside of the smoke discharge tube road (12), the flue gas shell (13) with The smoke discharge tube road (12) forms the second heating space (14), and being provided with third gas on the flue gas shell (13) enters Mouth (15), second heating space (14) is connected with the described first heating space (9).
2. burner according to claim 1, it is characterised in that the heat-exchanging chamber (4) includes the first heat-exchanging chamber (41) with the second heat-exchanging chamber (42), first heat-exchange device (51) is arranged in first heat-exchanging chamber (41), The second heat-exchange device (52) is provided with second heat-exchanging chamber (42), is set on second heat-exchange device (52) There is second gas entrance (11), first heat-exchange device (51) connects with the heat outlet (7).
3. burner according to claim 1, it is characterised in that the air-blast device (2) include air blower (20), First airduct (21) and the second airduct (22), first airduct (21) and second airduct (22) respectively with the air blower (20) connect, first airduct (21) connects with the combustion chamber (3), second airduct (22) and the combustion chamber (3) Connection, first airduct (21) is in the top of second airduct (22).
4. burner according to claim 1, it is characterised in that the feed arrangement (1) include fuel tank (101) with Feeding mechanism (102), the fuel tank (101) is used to store fuel, and the feeding mechanism (102) is used for the fuel tank (101) fuel in is delivered in the combustion chamber (3).
5. burner according to claim 4, it is characterised in that the feeding mechanism (102) includes variable speed electric motors, particularly (1021) with feeding packing auger (1022), the variable speed electric motors, particularly (1021) is used to control the feeding packing auger (1022) by the fuel Fuel in case (101) is delivered in the combustion chamber (3).
6. the burner according to claim 1 to 5 any one, it is characterised in that set in the combustion chamber (3) There is grate (16).
7. burner according to claim 6, it is characterised in that be provided with first on the wall of the combustion chamber (3) side Slag-drip opening (17).
8. burner according to claim 1, it is characterised in that the heat outlet (7) is provided with air exhauster (18).
9. burner according to claim 2, it is characterised in that set on the side wall of second heat-exchanging chamber (42) It is equipped with the second slag-drip opening (19).
CN201510096031.6A 2015-03-04 2015-03-04 A kind of burner Active CN104697164B (en)

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CN104697164B true CN104697164B (en) 2017-07-11

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105570876B (en) * 2015-10-20 2017-09-15 扬州龙锦涂装环保设备有限公司 A kind of combustion furnace

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2418354Y (en) * 2000-04-06 2001-02-07 黑龙江省绥化林业机械厂 Biological-matter gasifying hot-air heatiing stove
CN2533428Y (en) * 2001-11-17 2003-01-29 苏州工业园区兴南热工设备有限公司 Heat pipe biologic matter particle fuel hot-air warming stove
CN201302217Y (en) * 2008-11-10 2009-09-02 田保岗 Biomass fuel heater
JP2010101599A (en) * 2008-10-27 2010-05-06 Birumen Kagoshima:Kk Hybrid hot air device
CN101793433A (en) * 2010-03-17 2010-08-04 郴州自然人热能设备有限公司 Hot-air air conditioner using biomass fuel
CN203657201U (en) * 2014-01-06 2014-06-18 吉林市同鑫新能源有限公司 Biomass fuel hot blast stove

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2418354Y (en) * 2000-04-06 2001-02-07 黑龙江省绥化林业机械厂 Biological-matter gasifying hot-air heatiing stove
CN2533428Y (en) * 2001-11-17 2003-01-29 苏州工业园区兴南热工设备有限公司 Heat pipe biologic matter particle fuel hot-air warming stove
JP2010101599A (en) * 2008-10-27 2010-05-06 Birumen Kagoshima:Kk Hybrid hot air device
CN201302217Y (en) * 2008-11-10 2009-09-02 田保岗 Biomass fuel heater
CN101793433A (en) * 2010-03-17 2010-08-04 郴州自然人热能设备有限公司 Hot-air air conditioner using biomass fuel
CN203657201U (en) * 2014-01-06 2014-06-18 吉林市同鑫新能源有限公司 Biomass fuel hot blast stove

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