CN112460793A - Biomass particle combustion device for heat supply of chain plate dryer - Google Patents
Biomass particle combustion device for heat supply of chain plate dryer Download PDFInfo
- Publication number
- CN112460793A CN112460793A CN202011394812.0A CN202011394812A CN112460793A CN 112460793 A CN112460793 A CN 112460793A CN 202011394812 A CN202011394812 A CN 202011394812A CN 112460793 A CN112460793 A CN 112460793A
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- China
- Prior art keywords
- burner
- biomass particle
- air pipe
- chain plate
- star
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
- F23K3/02—Pneumatic feeding arrangements, i.e. by air blast
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
Abstract
The invention discloses a biomass particle combustion device for heat supply of a chain plate dryer, which relates to the technical field of biomass particle combustion machines and comprises a biomass particle storage bin, a conveying device and a hot blast stove, wherein when a fire is stopped, a star-shaped discharger is closed firstly, and after a high-pressure fan continuously supplies air for a period of time, all biomass particles in the air pipe can be blown out, so that the phenomenon of fire return and smoke return can not occur, and the potential safety hazard in the prior art is eliminated; when no biomass particles or star discharger fails, the hot blast stove can still work normally by matching with the high-pressure fan without any change, and the function of burning coal or firewood is not affected.
Description
Technical Field
The invention relates to the technical field of biomass particle burners, in particular to a biomass particle combustion device for heat supply of a chain plate dryer.
Background
The chain plate dryer is a drying device which is heated by electric heating, steam heating and hot air heating and uses a steel chain plate as a conveying belt to carry materials for continuous drying. The chain plate dryer is generally supplied with heat by a hot blast stove, and the hot blast stove can be connected with a biomass particle burner.
The biomass particle combustor takes agricultural and forestry waste particles such as straws and the like as fuels, adopts a semi-gasification combustion mode, effectively avoids the problems of slag bonding and the like of the straw particles in the direct combustion process, and adopts the accurate control of air distribution, feeding, gasification and combustion to realize efficient and clean combustion in an integrated machine. The particle combustor directly outputs high-temperature flame and smoke, can be directly connected with energy-using equipment such as boilers, industrial kilns and the like, and has wide market.
Application number CN 201720055656.2's utility model patent discloses a biological particle combustor, this patent adopt tubular screw feeder to carry out the pay-off, when stopping using, because there is not the granule in the combustion chamber, cause easily to return fire and return the cigarette phenomenon, have the potential safety hazard to still probably influence the function that the hot-blast furnace normally burns coal and burns firewood.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a biomass particle combustion device for heat supply of a chain plate dryer, and aims to solve the problems that fire is easily returned and smoke is easily returned when fire is stopped and the normal coal and firewood burning function of a hot blast stove is influenced in the related technology.
The technical scheme provided by the invention is as follows:
the utility model provides a chain scraper drying-machine heat supply is with living beings granule burner, includes living beings granule feed bin, conveyor and hot-blast furnace, wherein:
the conveying device is arranged below the biomass particle bin and comprises a high-pressure fan, a star-shaped discharger, an air pipe and a burner, wherein the inlet of the star-shaped discharger is connected with the discharge hole of the biomass particle bin, the outlet of the star-shaped discharger is communicated with the air pipe, the high-pressure fan is used for supplying air to the air pipe so as to blow biomass particles to the hot air furnace, and the burner is connected with one end of the air pipe, which is far away from the star-shaped discharger;
the hot blast stove comprises a hearth and a stove screen, the joint of the burner and the air pipe is positioned in the hearth and below the stove screen, and the burner vertically penetrates through the stove screen and extends into the middle of the hearth.
Preferably, the outlet of the star discharger, the air outlet of the high pressure fan and one end of the air pipe are communicated through a three-way pipe fitting.
Preferably, the burner is sequentially provided with an upper burner, a flange and a lower burner from top to bottom, the lower burner is communicated with the air pipe, and the flange vertically penetrates through the central position of the furnace screen.
Preferably, go up nozzle department and be equipped with and scatter the direction bamboo hat, it is used for scattering the living beings granule in order to avoid concentrating the whereabouts to scatter the direction bamboo hat.
Preferably, the divergent guide bamboo hat is conical and is vertically arranged at the end part of the upper burner through a plurality of support rods.
Preferably, the air pipe, the upper burner, the lower burner, the diffusing bamboo hat and the flange are all made of heat-resistant stainless steel.
The invention has the beneficial effects that:
when the biomass particle combustion device for heat supply of the chain plate dryer is shut down, the star-shaped discharger is closed first, and after the high-pressure fan continuously supplies air for a period of time, all biomass particles in the air pipe can be blown out, so that the phenomena of fire return and smoke return are avoided, and the potential safety hazard in the prior art is eliminated; when no biomass particles or star discharger fails, the hot blast stove can still work normally by matching with the high-pressure fan without any change, and the function of burning coal or firewood is not affected.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a biomass particle combustion device for heat supply of a chain plate dryer provided in an embodiment of the present invention;
fig. 2 is a front view of a biomass particle combustion device for supplying heat to a chain plate dryer according to an embodiment of the present invention;
fig. 3 is a top view of a biomass particle combustion device for supplying heat to a chain plate dryer according to an embodiment of the present invention.
FIG. 4 is a schematic structural diagram of a hot blast stove of a biomass particle combustion device for heat supply of a chain plate dryer provided in an embodiment of the present invention
In the attached drawing, 1-a biomass particle bin, 2-a hot blast stove, 21-a hearth, 22-a furnace screen, 221-an ash falling hole, 31-a high-pressure fan, 32-a star discharger, 33-an air pipe, 341-a lower burner, 342-a flange, 343-an upper burner and 344-a divergent guide bamboo hat.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
As shown in fig. 1 to 3, a biomass particle combustion device for heat supply of a chain plate dryer comprises a biomass particle bin 1, a conveying device and a hot blast stove 2, wherein:
the conveying device is arranged below the biomass particle bin 1 and comprises a high-pressure fan 31, a star-shaped discharger 32, an air pipe 33 and a burner, wherein the inlet of the star-shaped discharger 32 is connected with the discharge hole of the biomass particle bin 1, the outlet of the star-shaped discharger 32 is communicated with the air pipe 33, the high-pressure fan 31 is used for supplying air to the air pipe 33 to blow biomass particles to the air furnace 2, and the burner is connected with one end, far away from the star-shaped discharger 32, of the air pipe 33; the star-shaped discharger 32 plays a role in conveying materials by virtue of a rotating impeller and plays a role in sealing, air is prevented from being sucked from a discharge port in the pneumatic conveying process, and normal discharging is ensured;
as shown in fig. 4, the hot blast stove 2 includes a hearth 21 and a stove screen 22, the connection between the burner and the air duct 33 is located in the hearth 21 and below the stove screen 22, and the burner vertically penetrates through the stove screen 22 and extends into the middle of the hearth 21.
In the embodiment, the outlet of the star discharger 32, the air outlet of the high pressure fan 31 and one end of the air pipe 33 are communicated through a tee pipe. The biomass particles fall into an air pipe 33 from the outlet of the star discharger 32 and are blown to the hot air furnace 2 by a high-pressure fan 31;
in this embodiment, as shown in fig. 4, the burners are an upper burner 343, a flange 342, and a lower burner 341 from top to bottom, the lower burner 341 is communicated with the air duct 33, and the flange 342 vertically passes through the center of the furnace screen 22; a divergence guide bamboo hat 344 is arranged at the upper burner 343, and the divergence guide bamboo hat 344 is used for diverging biomass particles to avoid concentrated falling; the divergent guide bamboo hat 344 is conical, and is vertically arranged at the end of the upper burner 343 through a plurality of support rods, so that biomass particles are diverged by the divergent guide bamboo hat 344, and then have larger contact area with oxygen, and further can be more fully combusted; in order to prolong the service life of the equipment, the air pipe 33, the upper burner 343, the lower burner 341, the diffusing bamboo hat and the flange 342 are all made of heat-resistant stainless steel.
The ash falling hole 221 on the furnace screen 22 in the prior art is large, so that part of biomass particles fall through the ash falling hole 221 without being combusted, and further the combustion efficiency is low.
When the biomass particle combustion device for heating of the chain plate dryer provided by the embodiment is used, firstly, firewood or coal is ignited in the hearth 21, then the high-pressure fan 31 is started to supply air, then the star-shaped discharger 32 is started to throw in biomass particles, the biomass particles fall into the air pipe 33, then the air sent by the high-pressure fan 31 is blown into the hot blast stove 2, and the biomass particles are guided and dispersed by the dispersion guide bamboo hat 344 through the upper burner 343 and are combusted in the hearth 21; when stopping the fire, close star type tripper 32 earlier, high pressure positive blower 31 lasts the air supply a period of time after, can all blow off the living beings granule in the tuber pipe 33, consequently the difficult condition of turning to the fire that takes place. Besides, when the biomass particle combustion device for heating of the chain plate dryer provided by the embodiment has no biomass particles or the star discharger 32 fails, the hot blast stove 2 can still work normally in cooperation with the high pressure fan 31 without any change, and the coal or firewood burning function of the hot blast stove is not affected.
In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral combinations thereof; may be an electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, system, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, systems, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (6)
1. The utility model provides a chain plate drying-machine heat supply is with living beings granule burner which characterized in that: including living beings granule feed bin (1), conveyor and hot-blast furnace (2), wherein:
the conveying device is arranged below the biomass particle bin (1) and comprises a high-pressure fan (31), a star-shaped discharger (32), an air pipe (33) and a burner, wherein an inlet of the star-shaped discharger (32) is connected with a discharge hole of the biomass particle bin (1), an outlet of the star-shaped discharger (32) is communicated with the air pipe (33), the high-pressure fan (31) is used for supplying air to the air pipe (33) so as to blow biomass particles to the air furnace (2), and the burner is connected with one end, far away from the star-shaped discharger (32), of the air pipe (33);
the hot blast stove (2) comprises a hearth (21) and a furnace screen (22), the joint of the burner and the air pipe (33) is positioned in the hearth (21) and below the furnace screen (22), and the burner vertically penetrates through the furnace screen (22) and extends into the middle of the hearth (21).
2. The biomass particle combustion device for heat supply of the chain plate dryer of claim 1, wherein: the outlet of the star discharger (32), the air outlet of the high pressure fan (31) and one end of the air pipe (33) are communicated through a three-way pipe.
3. The biomass particle combustion device for heat supply of the chain plate dryer of claim 2, wherein: the burner is provided with an upper burner (343), a flange (342) and a lower burner (341) from top to bottom in sequence, the lower burner (341) is communicated with the air pipe (33), and the flange (342) vertically penetrates through the center of the furnace screen (22).
4. The biomass particle combustion device for heat supply of the chain plate dryer of claim 3, wherein: the upper burner (343) is provided with a divergent guide bamboo hat (344), and the divergent guide bamboo hat (344) is used for diverging biomass particles to avoid concentrated falling.
5. The biomass particle combustion device for heat supply of the chain plate dryer of claim 4, wherein: the divergent guide bamboo hat (344) is conical and is vertically arranged at the end part of the upper burner nozzle (343) through a plurality of support rods.
6. The biomass particle combustion device for heat supply of the chain plate dryer of claim 5, wherein: the air pipe (33), the upper burner nozzle (343), the lower burner nozzle (341), the diffusing bamboo hat and the flange (342) are all made of heat-resistant stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011394812.0A CN112460793A (en) | 2020-12-03 | 2020-12-03 | Biomass particle combustion device for heat supply of chain plate dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011394812.0A CN112460793A (en) | 2020-12-03 | 2020-12-03 | Biomass particle combustion device for heat supply of chain plate dryer |
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| Publication Number | Publication Date |
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| CN112460793A true CN112460793A (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011394812.0A Pending CN112460793A (en) | 2020-12-03 | 2020-12-03 | Biomass particle combustion device for heat supply of chain plate dryer |
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Citations (11)
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| CN102358850A (en) * | 2011-09-13 | 2012-02-22 | 中南大学 | Dispersion gasifier of high-calorific value solid fuel |
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| KR101210962B1 (en) * | 2012-02-08 | 2012-12-14 | 조경엽 | Using environmentally friendly solid fuel boiler |
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| CN205002372U (en) * | 2015-08-21 | 2016-01-27 | 辽宁精化科技有限公司 | Direct burming biomass hot -blast furnace of long -range feeding |
| CN205026934U (en) * | 2015-09-23 | 2016-02-10 | 安徽三鼎锅炉制造有限公司 | Wind -force ration pay -off type organic heat transfer material heater |
| CN105423281A (en) * | 2015-11-24 | 2016-03-23 | 洛阳开拓新能源开发有限公司 | Biomass particle burner |
| EP3112756A1 (en) * | 2015-07-03 | 2017-01-04 | Smart Energy v/Erik Schelde | Burner unit for solid particulate fuel and radiant heater for indoor or outdoor use with burner unit |
| CN205974425U (en) * | 2016-08-19 | 2017-02-22 | 四川凯尔丰农业科技有限公司 | Biomass gasification furnace |
| CN210128363U (en) * | 2019-04-24 | 2020-03-06 | 潍坊爱冬乐环保科技有限公司 | Heating stove feeder |
-
2020
- 2020-12-03 CN CN202011394812.0A patent/CN112460793A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358850A (en) * | 2011-09-13 | 2012-02-22 | 中南大学 | Dispersion gasifier of high-calorific value solid fuel |
| KR101210962B1 (en) * | 2012-02-08 | 2012-12-14 | 조경엽 | Using environmentally friendly solid fuel boiler |
| CN202470049U (en) * | 2012-02-15 | 2012-10-03 | 广东工业大学 | Biomass powder cyclone burning device |
| CN103134177A (en) * | 2013-03-12 | 2013-06-05 | 张建臣 | Biomass ash-free combustion furnace |
| CN104214767A (en) * | 2014-08-14 | 2014-12-17 | 中国环境科学研究院 | Method and device for reducing nitrogen oxides in smoke gas of industrial coal-fired boiler by biomass |
| EP3112756A1 (en) * | 2015-07-03 | 2017-01-04 | Smart Energy v/Erik Schelde | Burner unit for solid particulate fuel and radiant heater for indoor or outdoor use with burner unit |
| CN205002372U (en) * | 2015-08-21 | 2016-01-27 | 辽宁精化科技有限公司 | Direct burming biomass hot -blast furnace of long -range feeding |
| CN205026934U (en) * | 2015-09-23 | 2016-02-10 | 安徽三鼎锅炉制造有限公司 | Wind -force ration pay -off type organic heat transfer material heater |
| CN105423281A (en) * | 2015-11-24 | 2016-03-23 | 洛阳开拓新能源开发有限公司 | Biomass particle burner |
| CN205974425U (en) * | 2016-08-19 | 2017-02-22 | 四川凯尔丰农业科技有限公司 | Biomass gasification furnace |
| CN210128363U (en) * | 2019-04-24 | 2020-03-06 | 潍坊爱冬乐环保科技有限公司 | Heating stove feeder |
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Application publication date: 20210309 |