CN105925319A - Stirring device for biomass gasifier - Google Patents
Stirring device for biomass gasifier Download PDFInfo
- Publication number
- CN105925319A CN105925319A CN201610422254.1A CN201610422254A CN105925319A CN 105925319 A CN105925319 A CN 105925319A CN 201610422254 A CN201610422254 A CN 201610422254A CN 105925319 A CN105925319 A CN 105925319A
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- CN
- China
- Prior art keywords
- rotating shaft
- furnace
- agitating device
- impeller
- puddler
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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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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2200/00—Details of gasification apparatus
- C10J2200/09—Mechanical details of gasifiers not otherwise provided for, e.g. sealing means
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a stirring device for a biomass gasifier. The stirring device comprises a driving device, a rotating shaft and an impeller. The driving device is mounted at the top of the gasifier, one end of the rotating shaft is fixedly connected with an output end of the driving device, the other end of the rotating shaft is arranged in the gasifier, and the impeller is wound in the middle of the rotating shaft. Biomass fuels at all spatial positions in the gasifier are uniformly stirred, so that the biomass fuels can sufficiently contact with air, the gasification efficiency of the gasifier is improved, the surplus of waste residues in the gasifier is reduced from about 30% to less than 5%, and the use rate of the biomass fuels is greatly increased. Besides, the vast majority of components of the combusted waste residues are inorganic matters such as mineral substances, treatment cost is low, and environmental influence is less.
Description
Technical field
The present invention relates to a kind of agitating device, a kind of agitating device for biomass gasifying furnace.
Background technology
Biomass energy is as a kind of regenerative resource transported and store, and it has vast potential for future development.One of technology changing biomass energy is to utilize gasification furnace to gasify it.In the design of gasification furnace, frequently with updraft type and downdraft two kinds；Sucking type gasifier is in use traditionally, and every batch of biomass fuel, after gasification furnace burns, often remains the waste residue of crude fuel weight about 30% so that bio-fuel is not fully utilized, additionally, Solid state fermentation cost is high, effect on environment is big.
Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to provide a kind of agitating device for biomass gasifying furnace.
The present invention solves that its technical problem the technical scheme is that
A kind of agitating device for biomass gasifying furnace, including driving means, rotating shaft and impeller；Described driving means is arranged on the top of gasification furnace, and one end of described rotating shaft is fixing with the outfan of driving means to be connected, and the other end of described rotating shaft is placed in gasification furnace, and described impeller is wrapped in the stage casing of rotating shaft.
A kind of agitating device for biomass gasifying furnace of the present invention, its further design is: also including fixing seat, this fixing seat is arranged between the top of gasification furnace and driving means, and described rotating shaft is therethrough.
A kind of agitating device for biomass gasifying furnace of the present invention, its further design is: also including that plectrum, described plectrum are arranged on rotating shaft one end near driving means, this plectrum is for moving flat the biomass fuel in gasification furnace.
A kind of agitating device for biomass gasifying furnace of the present invention, it designs further and is: also include a class puddler and two class puddlers；A described class puddler is arranged on one end that rotating shaft is placed in gasification furnace, and its biomass fuel in preventing gasification furnace is by excessive compression；Described two class puddlers are arranged on impeller, and it is used for assisting impeller to stir biomass fuel.
A kind of agitating device for biomass gasifying furnace of the present invention, its further design is: described two class puddlers include that level is to puddler and axial puddler；Described level is fixed on impeller to one end of puddler, and described level is to the close furnace wall of the other end of puddler；One end of described axial puddler is fixed on impeller, and the other end of described axial puddler is towards axes of rotation skew.
A kind of agitating device for biomass gasifying furnace of the present invention, its further design be: described impeller be shaped as helicoidal structure, it is provided with weld access hole near the part of a class puddler, and weld access hole is used for preventing biomass fuel by excessive compression.
A kind of agitating device for biomass gasifying furnace of the present invention, its further design be: also including that stove inner fixed stand, described stove inner fixed stand are arranged in gasification furnace near the position of top of gasification furnace, it is used for fixed rotating shaft.
A kind of agitating device for biomass gasifying furnace of the present invention, its further design is: also including the axle sleeve matched with fixed mount, this axle sleeve is arranged in rotating shaft the one end near driving means.
A kind of agitating device for biomass gasifying furnace of the present invention, its further design is: described fixing seat includes upper flange, lower flange, left socle and right support；One end of described upper flange is connected by bolt and driving means are fixing, and the other end of described upper flange is connected with one end of lower flange by bolt, and the other end of described lower flange is fixed on the top of gasification furnace；The bottom of described left socle and right support is each attached to the top of gasification furnace, and the upper end of described left socle and right support is all respectively connected by a fixed plate is fixing with lower flange.
A kind of agitating device for biomass gasifying furnace of the present invention, it designs further and is: described left socle is made up of left standing frame and left crossbearer, one end of described left standing frame is fixed on the top of gasification furnace, the other end of described left standing frame is hinged with one end of left crossbearer, and the other end of described left crossbearer is connected by bolt and a fixed plate；Described right support is made up of right standing frame and right crossbearer, and one end of described right standing frame is fixed on the top of gasification furnace, and the other end of described right standing frame is hinged with one end of right crossbearer, and the other end of described right crossbearer is connected with another fixed plate by bolt.
The invention has the beneficial effects as follows:
The present invention devises a kind of agitating device for biomass gasifying furnace, this agitating device is by stirring equably the biomass fuel of each position in gasification furnace, biomass fuel can fully be contacted with oxygen, substantially increase the gasification efficiency of gasification furnace, make the surplus of waste residue in gasification furnace be dropped below 5% by about 30%, thus the utilization rate of biomass fuel is greatly improved.Additionally, most compositions of the waste residue after burning are the inorganic matters such as mineral, processing cost is low, and effect on environment is little.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation that agitating device furnace interior of the present invention divides；
Fig. 2 is the structural representation of agitating device stove inner support of the present invention；
Fig. 3 is the scheme of installation of agitating device stove inner support of the present invention；
Fig. 4 is the scheme of installation fixing seat and driving means in agitating device of the present invention；
Fig. 5 is lower flange and the structural relation schematic diagram of fixed plate in agitating device of the present invention；
Fig. 6 is the structural representation fixing seat in agitating device of the present invention.
Detailed description of the invention
As shown in figs 1 to 6, agitating device of the present invention includes: include driving means 1, fixing seat 2, rotating shaft 3 and impeller 4.Wherein, fixing seat 2 is arranged on the top of gasification furnace；Driving means 1 is arranged on fixing seat 2 for drive shaft 3；Rotating shaft 3 is through in fixing seat 2；One end of rotating shaft 3 is fixing with the outfan of driving means 1 to be connected；The other end of rotating shaft 3 is placed in gasification furnace；Described impeller 4 is wrapped in the stage casing of rotating shaft 3.
In traditional design, often it is not provided with agitating device in biomass gasifying furnace or agitating device can not stir biomass fuel fully, after making every subjob, always there is the biomass fuel close to 30% to fail to be sufficiently burned, cause the waste of raw material and the reduction of gasification efficiency.
Paddle in traditional design is improved by the present invention so that the biomass fuel of each position in gasification furnace all can be sufficiently agitated, it is ensured that in stove, each locus biomass fuel all can be sufficiently burned, thus substantially increases gasification efficiency.
Specifically, as it is shown in figure 1, in agitating device of the present invention, the middle section position of rotating shaft 3 is wound with impeller 4, and in this detailed description of the invention, impeller 4 is the spiral blade of an integration, but being not limited to this, this impeller 4 also can be formed by multiple independent spiral vane combinations.Impeller 4 is provided with four layers of blade in the present embodiment.Wherein, the two-layer blade near driving means 1 side is not provided with weld access hole 8, and remaining two-layer blade is provided with weld access hole 8, but is not limited to this, biomass fuel kind concrete in can stirring according to reality, offers weld access hole 8 flexibly on each blade of impeller 4.
In traditional design, impeller or blade being not provided with weld access hole 8, when blade is driven to rotate, the pressure that the biomass fuel between blade and between furnace bottom and blade is born will be greater than the pressure that the biomass fuel of other positions is born.This situation often make the biomass fuel between blade and between furnace bottom and blade by excessive compression can not equably with air contact so that biomass fuel combustion is insufficient, causes the waste of biomass fuel.
In the design, when rotating shaft 3 impeller 4 rotates, when powder around impeller 4 or particulate biomass fuel are pushed towards furnace bottom direction by impeller 4, the part biological matter fuel being pushed out upwards can rout up from weld access hole 8, it is to avoid the biomass fuel between blade by the biomass fuel between excessive compression and furnace bottom and impeller 4 because of bear pressure excessive and can not clean-burning situation.The remainder biomass fuel being pushed out be gathered in below impeller 4 after because being moved towards direction, furnace wall, so that the biomass fuel between whole furnace bottom and impeller 4 can burn uniformly by top pressure.
In order to ensure the biomass fuel between furnace bottom and impeller 4 can equably with air contact, rotating shaft 3 is additionally provided with several class puddlers 6 near one end of furnace bottom, in this detailed description of the invention, the quantity of a class puddler 6 is three.One end of one class puddler 6 is fixed in rotating shaft 3, and the other end tilts towards furnace bottom direction.When rotating shaft 3 rotates, the biomass fuel between impeller 4 and furnace bottom is stirred by a class puddler 6 so that biomass fuel can react equably with air, it is ensured that combustion efficiency.
Can be bonded together after being heated in view of the biomass fuel between the biomass fuel between blade each in impeller 4 and impeller 4 and furnace wall, impeller 4 is additionally provided with two class puddlers 7.Two class puddlers 7 include that level is to puddler 71 and axial puddler 72.Level is fixed on impeller 4 to one end of puddler 71, and its other end is horizontally directed to and near furnace wall；Axially one end of puddler 72 is fixed on impeller 4, and its other end tilts towards rotating shaft 3.When rotating shaft 3 rotates, level to puddler 71 along horizontal plane rotate, the biomass fuel between impeller 4 and furnace wall is stirred fully by it so that biomass fuel can with air uniformly in contact with and also can drop rapidly, prevent from being bonded together with furnace wall.When axially puddler 72 rotates, can biomass fuel between each blade on agitating vane 4 so that the biomass fuel between each blade drops to furnace bottom, prevents the biomass fuel between each blade from being lumpd by excessive compression and being attached between impeller.
Thus, impeller 4, one class puddler 6, two class puddler 7 and weld access hole 8 are worked in coordination operation, in making stove, the biomass fuel of each locus can be by uniform stirring, in ensure that stove, the biomass fuel of each space each position can be fully contacted with air, avoid the situation that part biological matter fuel is bonded together, ensure that combustion efficiency, improve gasification efficiency.
In the design, in order to prevent the biomass fuel at close impeller 4 top in whipping process excessively close to furnace wall, rotating shaft 3 being additionally provided with plectrum 5, one end of this plectrum 5 is fixed on rotating shaft 3 one end near driving means 1, and the other end of plectrum 5 presses close to furnace wall.When rotating shaft 3 rotates, plectrum 5 concomitant rotation, the biomass fuel that will bear against on furnace wall moves flat, and makes biomass fuel fall into entrance circulation stirring process in impeller 4.
As in figure 2 it is shown, in order to assist fixed rotating shaft 3, in gasification furnace, the position near furnace roof is provided with stove inner fixed stand 9, and in present embodiment, stove inner fixed stand 9 is made by steel.Shown in this Fig. 3, this stove inner fixed stand 9 includes two supports, two small front aprons and a bearing.Wherein, the two ends of two supports are each attached on gasification stove internal wall, and bearing is fixed between two supports and is positioned at the center of two supports, and two small front aprons are fixed on the both sides of bearing, and bearing plays the effect that auxiliary is fixing.The relevant position of rotating shaft 3 is provided with the axle sleeve 10 matched with the bearing on stove inner fixed stand 9.
As shown in Figure 4, driving means 1 is fixed on the top of gasification furnace by fixing seat 2.This fixing seat 2 includes upper flange 21, lower flange 22, left socle 23 and right support 24.Wherein, one end of upper flange 21 is connected by bolt is fixing with driving means 1, and the other end of upper flange 21 is connected by bolt is fixing with one end of lower flange 22；The other end of lower flange 22 is fixed by bolts to the top of gasification furnace；The bottom of left socle 23 and right support 24 is each attached to the top of gasification furnace, all fixing with lower flange 22 effect being connected to play the fixing lower flange 22 of auxiliary in the upper end of left socle 23 and right support 24.
For the ease of dismounting and maintenance, left socle 23 and right support 24 are connected by two fixed plates 25 are fixing with the both sides of lower flange 22 respectively.Wherein, the structure of fixed plate 25 is as shown in Figure 5.Specifically, as shown in Figure 6, left socle 23 is made up of left standing frame 231 and left crossbearer 232, and one end of left standing frame 231 is fixed on the top of gasification furnace, the other end of left standing frame 231 is hinged with one end of left crossbearer 232, and the other end of left crossbearer 232 is connected by bolt and a fixed plate 25.Right support 24 is made up of right standing frame 241 and right crossbearer 242, and one end of right standing frame 241 is fixed on the top of gasification furnace, and the other end of right standing frame 241 is hinged with one end of right crossbearer 242, and the other end of right crossbearer 242 is connected with another fixed plate 25 by bolt.
Rotating shaft 3 is through in lower flange 22, and rotating shaft 3 is provided with, with the end that connects of driving means 1, the groove that the outfan with driving means 1 matches.In the present embodiment, driving means 1 is motor, and it also can be the structures such as cylinder.In the present embodiment, rotating shaft 3 is provided with, with the end that connects of motor, the groove that the output shaft with motor matches.After motor is fixed on fixing seat 2, when switching on power, driving means 1 drives rotating shaft 3 to rotate, and the biomass fuel in gasification furnace is stirred by rotating shaft 3 impeller 4.
Owing to agitating device of the present invention can stir the biomass fuel in gasification furnace equably, thus avoid the mitogenetic biomass fuel of furnace interior in traditional design and can not fully be burnt by excessive compression or part biological matter fuel is because being bonded together situation about being attached on furnace wall after heating.Thus reduce the surplus of waste residue, improve rate of gasification so that after every subjob, within the surplus of waste residue is reduced to 5% by original 30%.Additionally, waste residue after being provided with agitating device of the present invention burning its be mainly composed of the inorganic matters such as mineral so that the subsequent treatment cost of waste residue reduces.
The foregoing is only the preferred embodiments of the present invention, as long as realizing within the technical scheme of the object of the invention broadly falls into protection scope of the present invention with essentially identical means.
Claims (10)
1. the agitating device for biomass gasifying furnace, it is characterised in that: include driving means (1), rotating shaft (3) and impeller (4)；Described driving means (1) is arranged on the top of gasification furnace, and one end of described rotating shaft (3) is fixing with the outfan of driving means (1) to be connected, and the other end of described rotating shaft (3) is placed in gasification furnace, and described impeller (4) is wrapped in the stage casing of rotating shaft (3).
A kind of agitating device for biomass gasifying furnace the most according to claim 1, it is characterised in that: also including fixing seat (2), this fixing seat (2) is arranged between the top of gasification furnace and driving means (1), and described rotating shaft (3) is therethrough.
A kind of agitating device for biomass gasifying furnace the most according to claim 1, it is characterized in that: also include plectrum (5), described plectrum (5) is arranged on rotating shaft (3) one end near driving means (1), and this plectrum (5) is for moving flat the biomass fuel in gasification furnace.
A kind of agitating device for biomass gasifying furnace the most according to claim 1, it is characterised in that: also include a class puddler (6) and two class puddlers (7)；A described class puddler (6) is arranged on one end that rotating shaft (3) is placed in gasification furnace, and its biomass fuel in preventing gasification furnace is by excessive compression；Described two class puddlers (7) are arranged on impeller (4), and it is used for assisting impeller (4) to stir biomass fuel.
A kind of agitating device for biomass gasifying furnace the most according to claim 4, it is characterised in that: described two class puddlers (7) include that level is to puddler (71) and axial puddler (72)；Described level is fixed on impeller (4) to one end of puddler (71), and described level is to the close furnace wall of the other end of puddler (71)；One end of described axial puddler (72) is fixed on impeller (4), and the other end of described axial puddler (72) tilts towards rotating shaft (3).
A kind of agitating device for biomass gasifying furnace the most according to claim 4, it is characterized in that: described impeller (4) be shaped as helicoidal structure, it is provided with weld access hole (8) near the part of a class puddler (6), and weld access hole (8) is used for preventing biomass fuel by excessive compression.
A kind of agitating device for biomass gasifying furnace the most according to claim 1, it is characterised in that: also including that stove inner fixed stand (9), described stove inner fixed stand (9) are arranged in gasification furnace the position near top of gasification furnace, it is used for fixed rotating shaft (3).
A kind of agitating device for biomass gasifying furnace the most according to claim 7, it is characterised in that: also including the axle sleeve (10) matched with stove inner fixed stand (9), this axle sleeve (10) is arranged on the upper one end near driving means (1) of rotating shaft (3).
A kind of agitating device for biomass gasifying furnace the most according to claim 2, it is characterised in that: described fixing seat (2) includes upper flange (21), lower flange (22), left socle (23) and right support (24)；One end of described upper flange (21) is connected by bolt and driving means (1) are fixing, and the other end of described upper flange (21) is connected with one end of lower flange (22) by bolt, and the other end of described lower flange (22) is fixed on the top of gasification furnace；The bottom of described left socle (23) and right support (24) is each attached to the top of gasification furnace, and the upper end of described left socle (23) and right support (24) is all respectively connected by a fixed plate (25) is fixing with lower flange (22).
A kind of agitating device for biomass gasifying furnace the most according to claim 9, it is characterized in that: described left socle (23) is made up of left standing frame (231) and left crossbearer (232), one end of described left standing frame (231) is fixed on the top of gasification furnace, the other end of described left standing frame (231) is hinged with one end of left crossbearer (232), and the other end of described left crossbearer (232) is connected by bolt and a fixed plate (25)；Described right support (24) is made up of right standing frame (241) and right crossbearer (242), one end of described right standing frame (241) is fixed on the top of gasification furnace, the other end of described right standing frame (241) is hinged with one end of right crossbearer (242), and the other end of described right crossbearer (242) is connected with another fixed plate (25) by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610422254.1A CN105925319B (en) | 2016-06-15 | 2016-06-15 | A kind of agitating device for biomass gasifying furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610422254.1A CN105925319B (en) | 2016-06-15 | 2016-06-15 | A kind of agitating device for biomass gasifying furnace |
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| Publication Number | Publication Date |
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| CN105925319A true CN105925319A (en) | 2016-09-07 |
| CN105925319B CN105925319B (en) | 2019-03-26 |
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| CN201610422254.1A Active CN105925319B (en) | 2016-06-15 | 2016-06-15 | A kind of agitating device for biomass gasifying furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514875A (en) * | 2016-10-13 | 2017-03-22 | 广西大学 | Storage type material blender |
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| CN203569045U (en) * | 2013-10-24 | 2014-04-30 | 谢薇 | Biomass gasifier with triple-double structure |
| CN204490819U (en) * | 2015-02-02 | 2015-07-22 | 天津市添动力新能源科技有限公司 | A kind of Novel biomass gasification furnace |
| CN105602622A (en) * | 2016-03-04 | 2016-05-25 | 北京工业大学 | Internal combustion type biomass gasifier |
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2016
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| CN102234546A (en) * | 2010-04-23 | 2011-11-09 | 武汉海德新能源投资有限公司 | Biomass gasifier |
| CN202186988U (en) * | 2011-08-16 | 2012-04-11 | 济南波德能源科技有限公司 | Biomass gas generator |
| CN103497783A (en) * | 2013-10-24 | 2014-01-08 | 谢薇 | Biomass gasifier with three-double structure |
| CN203569045U (en) * | 2013-10-24 | 2014-04-30 | 谢薇 | Biomass gasifier with triple-double structure |
| CN204490819U (en) * | 2015-02-02 | 2015-07-22 | 天津市添动力新能源科技有限公司 | A kind of Novel biomass gasification furnace |
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| CN105925319B (en) | 2019-03-26 |
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