CN105202527A - Biomass particle combustion furnace - Google Patents
Biomass particle combustion furnace Download PDFInfo
- Publication number
- CN105202527A CN105202527A CN201510649942.7A CN201510649942A CN105202527A CN 105202527 A CN105202527 A CN 105202527A CN 201510649942 A CN201510649942 A CN 201510649942A CN 105202527 A CN105202527 A CN 105202527A
- Authority
- CN
- China
- Prior art keywords
- air distribution
- combustion chamber
- bocca
- chamber
- combustion
- Prior art date
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- 238000002485 combustion reactions Methods 0.000 title claims abstract description 102
- 239000002245 particles Substances 0.000 title claims abstract description 21
- 239000002028 Biomass Substances 0.000 title abstract description 7
- 239000003570 air Substances 0.000 claims abstract description 120
- 238000009826 distribution Methods 0.000 claims abstract description 87
- 239000010410 layers Substances 0.000 claims abstract description 61
- 239000000446 fuels Substances 0.000 claims abstract description 20
- 239000000463 materials Substances 0.000 claims description 29
- 239000011257 shell materials Substances 0.000 claims description 24
- 238000007664 blowing Methods 0.000 claims description 18
- 239000002956 ash Substances 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000005496 tempering Methods 0.000 abstract description 11
- 235000019504 cigarettes Nutrition 0.000 description 8
- 239000011819 refractory materials Substances 0.000 description 8
- 239000000725 suspensions Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000002309 gasification Methods 0.000 description 3
- 239000007921 sprays Substances 0.000 description 3
- 238000004939 coking Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000008187 granular materials Substances 0.000 description 2
- 230000000630 rising Effects 0.000 description 2
- 230000000903 blocking Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 230000002708 enhancing Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 methods Methods 0.000 description 1
- 239000003870 refractory metals Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002699 waste materials Substances 0.000 description 1
Abstract
Description
Technical field
The present invention relates to field of boilers, specifically a kind of biological particles combustion furnace.
Background technology
Traditional combustion furnace is upright type of design, and fuel is stacked layer combustion, and needing to use can not the fuel of coking, and the fuel of coking uses two hours just to need to shut down cleaning in a device.Along with country is for the pay attention to day by day of energy-conserving and environment-protective, biomass granule fuel is widely applied in actual production and life, but biological particles combustion apparatus many employings inner air-distributing of the prior art or water-cooled air distribution mode, air distribution limited efficiency, biological particles burning is abundant not, fuel burnout rate is no more than 70% usually, there is the situation of energy waste, and adopt inner air-distributing mode, inside bocca, the metallic walls of air distribution layer is due to direct and flame contact, no matter change which kind of refractory metal material, all easily there is bocca burnout phenomenon, which greatly enhances the maintenance cost of enterprise, also the normal use of equipment is affected.In addition, mostly biomass combustion equipment of the prior art is when burning to adopt single-screw feeding mechanism, this kind of structure is when charging, easily blocking is formed at charging aperture place during the living beings that particularly convey materials proportion is less, hinder normal charging, and charging rate controls, and is sometimes difficult to ensure continuous feed also accurate not, this kind of structure is when charging in addition, also there is burning tempering and returns the problems such as cigarette.
Summary of the invention
The object of the present invention is to provide a kind of biological particles combustion furnace, bocca adopts external air distribution combustion-supporting, and adopts suspension and integrated gasification combined combustion system, makes fuel combustion more abundant, adopt the charging of two feed screw structures in addition, ensure that charging effectively prevents tempering of burning simultaneously.
The object of the invention is to be achieved through the following technical solutions:
A kind of biological particles combustion furnace, feeding material chamber and combustion chamber is provided with in body of heater, feed arrangement and blowing system is provided with in described feeding material chamber, enter in described combustion chamber by described feed arrangement transmission after fuel enters body of heater, one deck combustion chamber air distribution layer is provided with outside described combustion chamber, the sidewall of described combustion chamber is provided with multiple air vent, described combustion chamber air distribution layer is by described blowing system air distribution, automatic ignitor is provided with in combustion chamber, bocca is provided with outside combustion chamber, the bocca air distribution layer communicated with described combustion chamber air distribution layer is provided with outside described bocca.
Described feed arrangement comprises two feed screw structures, wherein the first feed screw structure is arranged at the top of the second feed screw structure, the top of described feeding material chamber is provided with material bin, material bin communicates with described first feed screw structure, is equipped with the baffle plate that can push open at the output of two feed screw structures.
Described blowing system is arranged at below feed arrangement, and described blowing system comprises matching air box and blower fan, and described matching air box is by described blower fan air feed, and described matching air box is communicated with described combustion chamber air distribution layer by pipeline.
Air vent on the sidewall of described combustion chamber is line radial arrangement helically.
The output lateral surface of described bocca air distribution layer inwardly narrows, and is provided with multiple flight in the narrowed portion of described bocca air distribution layer output.
Axis along bocca is looked, and described multiple flight is along the circumferencial direction helically radial arrangement of bocca.
The output of described bocca air distribution layer is provided with air distribution cap, and described air distribution cap inside is provided with in funnelform inclined-plane, and the axis along bocca is looked, and described inclined-plane is evenly equipped with multiple wind distributing hole along the circumferencial direction of bocca.
Be provided with ash discharge chamber below described combustion chamber, be provided with moving grate between described combustion chamber and ash discharge chamber, described ash discharge chamber is by described blowing system air distribution.
Described feeding material chamber and combustion chamber are juxtaposed in body of heater, are provided with pulley on the downside of described body of heater.
Described automatic ignitor comprises shell, igniter and blast pipe, described shell one end open, the other end are closed, described blast pipe communicates with described shell, and described blast pipe is connected with described blowing system away from one end of described shell, igniter is arranged in described shell, combustion-supporting air distribution enters in shell by described blast pipe, is sprayed, be provided with resistance wire in described igniter after described igniter by the openend of described shell.
Advantage of the present invention and good effect are:
1, the present invention is provided with bocca air distribution layer outside bocca, bocca adopts external air distribution combustion-supporting, make fuel combustion more abundant, simultaneously bocca air distribution layer is external makes refractory insulating layer in bocca and direct flame contact, described fire resistant heat preserving layer material is identical with the sidewall of combustion chamber, and is connected as a single entity with the sidewall of combustion chamber, therefore compared to built-in air distribution mode, the bocca not easy burn-out of external air distribution of the present invention, long service life.
2, matching air box of the present invention gives combustion chamber and ash discharge chamber's air distribution respectively, wherein be provided with one deck combustion chamber air distribution layer outside combustion chamber, described combustion chamber air distribution layer is communicated with the inside of combustion chamber by air vent, improve air distribution combustion-supporting effect, and described air vent is line radial arrangement helically, make fuel helically suspension rising in stove, realize the compound combustion of suspension and gasification two kinds of modes, substantially increase the burnout rate of fuel, burnout rate of the present invention can reach more than 95%.
3, the present invention is provided with two feed screw structures in feeding material chamber, and each feed screw structure front end is equipped with the baffle plate that can push open, the feed screw structure being positioned at lower side is connected with blowing system by aid distributing pipe, utilize the tempering of air distribution offset and return cigarette, cooling spiral feeding mechanism simultaneously, in addition the present invention adopts secondary feeds structure, even if having a small amount of tempering return cigarette enter into upside feed screw structure, also can by the baffle of the feed screw structure of upside, therefore the present invention effectively can prevent tempering of burning, potential safety hazard is stopped while guarantee continuous feed.
4, feeding material chamber of the present invention and combustion chamber are the vertical or horizontal type structure that left and right is set up in parallel, compact overall structure, attractive in appearance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention,
Fig. 2 is A-A sectional view in Fig. 1,
Fig. 3 is the B-B sectional view in Fig. 1 in an embodiment of the present invention,
Fig. 4 is C-C sectional view in Fig. 3,
Fig. 5 is the B-B sectional view in Fig. 1 in the another kind of embodiment of the present invention,
Fig. 6 is the structural representation of air distribution cap in Fig. 5,
Fig. 7 is the structural representation of the automatic ignitor in Fig. 1,
Fig. 8 is the D-D sectional view in Fig. 7.
Wherein, 1 is body of heater, and 2 is matching air box, 3 is automatic ignitor, and 4 is moving grate, and 5 is combustion chamber, 6 is sidewall, and 7 is air vent, and 8 is bocca, 9 is material bin, and 10 is the first feed screw structure, and 11 is the second feed screw structure, 12 is blower fan, and 13 is feeding material chamber, and 14 is ash discharge chamber, 15 is combustion chamber air distribution layer, and 16 is bocca air distribution layer, and 17 is flight, 18 is air distribution cap, and 19 is refractory insulating layer, and 20 is wind distributing hole, 21 is shell, 22 is igniter, and 23 is blast pipe, and 24 is openend, 25 is resistance wire, and 26 is aid distributing pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, body of heater 1 of the present invention is horizontal type structure, two chambers in left and right are provided with in body of heater 1, one of them chamber is feeding material chamber 13, another chamber is combustion chamber 5, material bin 9 is provided with above described feeding material chamber 13, feed arrangement and blowing system is provided with in described feeding material chamber 13, described feed arrangement comprises two feed screw structures, wherein the first feed screw structure 10 is arranged at the top of the second feed screw structure 11, material bin 9 communicates with described first feed screw structure 10, after fuel enters body of heater 1 by material bin 9, enter in described combustion chamber 5 by described first feed screw structure 10 and the transmission of the second feed screw structure 11 successively, all baffle plate is hinged with at two feed screw structure outputs, during charging, biological particles pushes the transmission of described baffle plate open, and described baffle plate is in downward-sloping state all the time to prevent burning tempering and to return cigarette, in addition, described second feed screw structure 11 is connected with blowing system by an aid distributing pipe 26, air distribution is sprayed by the output of this mechanism after entering the second feed screw structure 11 by described aid distributing pipe 26, this can utilize offset tempering to return cigarette on the one hand, play the effect stoping tempering to return cigarette, also described second feed screw structure 11 can be cooled on the other hand, prevent from this mechanism from being returned cigarette by tempering to burn out, add secondary feeding structure of the present invention, even if having a small amount of tempering or return cigarette by the second feed screw structure 11 below, also can stop by the baffle plate of the first feed screw structure 10 of top, potential safety hazard is stopped while guarantee continuous feed.Described feed screw structure is techniques well known.Described body of heater 1 is removable body of heater, on the downside of described body of heater 1, be provided with pulley.
Described blowing system is arranged at below feed arrangement, described blowing system comprises matching air box 2 and blower fan 12, matching air box 2 and blower fan 12 are all arranged at the below of described second feed screw structure 11, described matching air box 2 is by described blower fan 12 air feed, ash discharge chamber 14 is provided with below combustion chamber 5, matching air box 2 is respectively to described combustion chamber 5 and ash discharge chamber 14 air distribution, wherein the sidewall 6 of combustion chamber 5 is fire resistant heat preserving wall, the combustion chamber air distribution layer 15 of one deck hollow is provided with outside described sidewall 6, matching air box 2 is communicated with described combustion chamber air distribution layer 15 by pipeline, the sidewall 6 of described combustion chamber 5 is provided with multiple air vent 7, air enters combustion chamber 5 through air vent 7 after entering described combustion chamber air distribution layer 15 and realizes combustion-supporting, as shown in Figure 2, axis along combustion chamber 5 is looked, every layer of air vent 7 all helically line radial arrangement, this makes biomass granule fuel helically suspension rising in stove, realize the compound combustion of suspension and gasification two kinds of modes, substantially increase the burnout rate of fuel.Moving grate 4 is provided with between described combustion chamber 5 and ash discharge chamber 14, combustion air is after matching air box 2 distribution enters ash discharge chamber 14, enter air distribution in combustion chamber 5 through described moving grate 4, the dust in fuel afterburnt falls into ash discharge chamber 14 through moving grate 4 and is walked clearly on the other hand.
Combustion chamber 5 is provided with automatic ignitor 3 near the bottom of feeding material chamber 13 side, described automatic ignitor 3 controls igniting by control system, combustion chamber 5 is provided with bocca 8 away from a upper lateral part of feeding material chamber 13, refractory insulating layer 19 is provided with in described bocca 8, described refractory insulating layer 19 is connected as a single entity with the sidewall 6 of combustion chamber 5, bocca air distribution layer 16 is provided with in the outside of described refractory insulating layer 19, described bocca air distribution layer 16 interlinks with described combustion chamber air distribution layer 15 and is integrated, during burning, wind sprays combustion-supporting by the output of described bocca air distribution layer 16, the unburnt biological particles that bocca 8 is sprayed thoroughly burns completely.Compared to built-in air distribution mode, the present invention makes refractory insulating layer 19 in bocca 8 and direct flame contact, therefore bocca 8 not easy burn-out, long service life.Described bocca 8 is provided with flight 17 at the output of described bocca air distribution layer 16 or is provided with the air distribution cap 18 of band wind distributing hole 20.
As shown in figs. 34, when the output of bocca air distribution layer 16 is provided with flight 17, the output lateral surface of described bocca air distribution layer 16 inwardly narrows, this guides wind to combustion flame on the one hand, on the other hand along with the delivery outlet of bocca air distribution layer 16 narrows gradually, also increase air distribution and spray dynamics, namely helical disk 17 is arranged in the narrowed portion of described bocca air distribution layer 16 output, as shown in Figure 4, axis along bocca 8 is looked, the output of bocca air distribution layer 16 is along the circumferential direction evenly provided with multiple flight 17, described multiple flight 17 helically radial arrangement, under this structure, the flame of described bocca 8 ejection when burning is spiral flame.
As shown in Fig. 5 ~ 6, when the output of bocca air distribution layer 16 is provided with air distribution cap 18, the diameter of described bocca air distribution layer 16 remains unchanged, air distribution cap 18 utilizes seam to coordinate spiral-lock in the output of described bocca air distribution layer 16, as shown in Figure 6, described air distribution cap 18 inside is provided with in funnelform inclined-plane, the delivery outlet of bocca air distribution layer 16 blocks by described inclined-plane completely, described inclined-plane is provided with multiple wind distributing hole 20, axis along bocca 8 is looked, described multiple wind distributing hole 20 is evenly arranged along the circumferencial direction of bocca 8, and corner dimension between the axis of each wind distributing hole 20 with described bocca 8 axis is identical, described wind distributing hole 20 is namely for guiding wind to combustion flame.
As shown in Fig. 7 ~ 8, described automatic ignitor 3 comprises shell 21, igniter 22 and blast pipe 23, one end of wherein said shell 21 is provided with flange, the other end of described shell 21 is openend 24, one end that one end and the described shell 21 of described blast pipe 23 are provided with flange is vertical to communicate, the other end of described blast pipe 23 is connected with the matching air box 2 of described blowing system, igniter 22 is arranged in described shell 21, combustion-supporting air distribution enters in shell 21 by described blast pipe 23, is sprayed after igniter 22 by the openend 24 of described shell 21.
As shown in Figure 8, many group resistance wires 25 are provided with in described igniter 22, often organize resistance wire 25 and include two spiral resistance wires parallel with the length direction of described shell 21, during equipment work, described many group resistance wires 25 control by control system the temperature be warming up to higher than biomass fuel burning-point that is energized, air distribution forms pilot flame when being sprayed by the openend 24 of shell 21 after the resistance wire 25 in igniter 22, and namely the object being provided with many group resistance wires 25 in igniter 22 is to make combustion-supporting air distribution rapid temperature increases reach requirement of igniting.
Operation principle of the present invention is:
After fuel enters body of heater 1 by material bin 9, enter in described combustion chamber 5 by described first feed screw structure 10 and the transmission of the second feed screw structure 11 successively, matching air box 2 respectively to described combustion chamber 5 and ash discharge chamber 14 air distribution combustion-supporting, air vent 7 after wherein air enters outside combustion chamber 5 combustion chamber air distribution layer 15 on refractory insulating layer 6 enters combustion chamber 5 and realizes combustion-supporting, the air vent 7 helically line radial arrangement of the same layer on refractory insulating layer 6, make fuel combustion more abundant, a upper lateral part in combustion chamber 5 away from feeding material chamber 13 is provided with bocca 8, bocca air distribution layer 16 is provided with outside described bocca 8, described bocca air distribution layer 16 interlinks with described combustion chamber air distribution layer 15 and is integrated, during burning, wind sprays combustion-supporting by the output of described bocca air distribution layer 16.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510649942.7A CN105202527A (en) | 2015-10-08 | 2015-10-08 | Biomass particle combustion furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510649942.7A CN105202527A (en) | 2015-10-08 | 2015-10-08 | Biomass particle combustion furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105202527A true CN105202527A (en) | 2015-12-30 |
Family
ID=54950352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510649942.7A CN105202527A (en) | 2015-10-08 | 2015-10-08 | Biomass particle combustion furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105202527A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352332A (en) * | 2016-10-25 | 2017-01-25 | 厦门聚裕晟工贸有限公司 | Sawdust combustion device |
| CN107388238A (en) * | 2017-09-12 | 2017-11-24 | 广州汇迪新能源科技有限公司 | A kind of multi fuel burner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660751A (en) * | 2008-08-25 | 2010-03-03 | 沈阳热得孚秸杆燃烧科技有限公司 | Straw gasification combustor |
| CN102530499A (en) * | 2012-01-17 | 2012-07-04 | 广州迪森热能技术股份有限公司 | Biomass two-stage helical feeding device |
| CN202968500U (en) * | 2012-12-18 | 2013-06-05 | 湖南君华能源科技有限公司 | Biomass two-stage screw feeding device |
| CN104075319A (en) * | 2014-06-19 | 2014-10-01 | 广东正鹏生物质能源科技有限公司 | Biomass gas combustion device used for industrial boiler |
| CN203880696U (en) * | 2014-06-19 | 2014-10-15 | 永清中希光电科技发展有限公司 | Intelligent biomass burner |
| CN204153814U (en) * | 2014-09-01 | 2015-02-11 | 浙江地中海新能源设备有限公司 | A kind of igniter of novel biomass combustor |
| CN204460182U (en) * | 2015-03-09 | 2015-07-08 | 邯郸市火炬锅炉有限公司 | A kind of boiler that can rub biomass fuel |
| CN204574003U (en) * | 2015-05-04 | 2015-08-19 | 福建省南安市海特机械有限公司 | A kind of biomass particle combustion apparatus |
| CN204678321U (en) * | 2015-05-29 | 2015-09-30 | 田罕珍 | A kind of biologic grain burning flame furnace |
| CN205102108U (en) * | 2015-10-08 | 2016-03-23 | 丹东蓝天环保锅炉制造有限公司 | Biomass particle combustion furnace |
-
2015
- 2015-10-08 CN CN201510649942.7A patent/CN105202527A/en not_active Application Discontinuation
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660751A (en) * | 2008-08-25 | 2010-03-03 | 沈阳热得孚秸杆燃烧科技有限公司 | Straw gasification combustor |
| CN102530499A (en) * | 2012-01-17 | 2012-07-04 | 广州迪森热能技术股份有限公司 | Biomass two-stage helical feeding device |
| CN202968500U (en) * | 2012-12-18 | 2013-06-05 | 湖南君华能源科技有限公司 | Biomass two-stage screw feeding device |
| CN104075319A (en) * | 2014-06-19 | 2014-10-01 | 广东正鹏生物质能源科技有限公司 | Biomass gas combustion device used for industrial boiler |
| CN203880696U (en) * | 2014-06-19 | 2014-10-15 | 永清中希光电科技发展有限公司 | Intelligent biomass burner |
| CN204153814U (en) * | 2014-09-01 | 2015-02-11 | 浙江地中海新能源设备有限公司 | A kind of igniter of novel biomass combustor |
| CN204460182U (en) * | 2015-03-09 | 2015-07-08 | 邯郸市火炬锅炉有限公司 | A kind of boiler that can rub biomass fuel |
| CN204574003U (en) * | 2015-05-04 | 2015-08-19 | 福建省南安市海特机械有限公司 | A kind of biomass particle combustion apparatus |
| CN204678321U (en) * | 2015-05-29 | 2015-09-30 | 田罕珍 | A kind of biologic grain burning flame furnace |
| CN205102108U (en) * | 2015-10-08 | 2016-03-23 | 丹东蓝天环保锅炉制造有限公司 | Biomass particle combustion furnace |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352332A (en) * | 2016-10-25 | 2017-01-25 | 厦门聚裕晟工贸有限公司 | Sawdust combustion device |
| CN107388238A (en) * | 2017-09-12 | 2017-11-24 | 广州汇迪新能源科技有限公司 | A kind of multi fuel burner |
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Application publication date: 20151230 |