CN204063862U - A kind of multiple stage circulation drum-type drying system for biomass material - Google Patents
A kind of multiple stage circulation drum-type drying system for biomass material Download PDFInfo
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- CN204063862U CN204063862U CN201420440376.XU CN201420440376U CN204063862U CN 204063862 U CN204063862 U CN 204063862U CN 201420440376 U CN201420440376 U CN 201420440376U CN 204063862 U CN204063862 U CN 204063862U
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Abstract
The utility model provides a kind of multiple stage circulation drum-type drying system for biomass material, comprise: hot-blast stove, wood chipping equipment, A roller drier, B roller drier and dust arrester, the output of described hot-blast stove is connected with the discharge end of the feed end of A roller drier and B roller drier, described wood chipping equipment is longitudinally arranged with A roller drier and is connected by fixed belt feeder, the discharge end of described A roller drier is connected with described dust arrester with the feed end of B roller drier, described A roller drier exit side is connected with B roller drier feed side through the first moving belt conveyer, B roller drier exit side is connected with A roller drier feed side through the second moving belt conveyer.The material strong adaptability that the utility model is larger to moisture difference, reduces thermal source cost, improves and significantly reduces airborne dust and tail gas dust, clean environment.
Description
Technical field
The utility model relates to a kind of material drying system, is specifically related to a kind of multiple stage circulation drum-type drying system for biomass material.
Background technology
At present, Pearl River Delta be applicable to gasification of biomass material source mainly contain living beings bulk cargo and biomass molding fuel two kinds.Biomass molding fuel supply market-ripe, complex production process, price is higher; And living beings bulk cargo source, also namely agriculture and forestry three remain thing as set the fragmentations such as head, branch or tree fork or chipping, and low price, wide material sources, when the fuel source as biomass gasification device carries out suitability for industrialized production, can obtain good economic benefit.
Biomass gasification device, usually needs to carry out drying process to material to the moisture requirement of living beings bulk cargo below 18%.Have drying room drying, micro-wave vacuum, drying machine drying etc. several to the drying mode of material, what extensively adopt at present is cylindrical drier.
Chinese patent 201020218723.6 discloses a kind of biomass material drying system, and it comprises pay-off, heating plant and drying unit, and pay-off, heating plant are connected with drying unit respectively; Comprise control device further, more than one humidity sensor, temperature sensor that this control device comprises control unit and is connected with this control unit, this control unit is connected with pay-off, heating plant, drying unit respectively; The humidity of materials to be dried that control unit obtains according to humidity sensor to pay-off, heating plant or/and drying unit controls.This drying materials system can accurately control dry materials degree, and drying efficiency is higher.But also there is the problem of following three aspects.One, this system, mainly for biomass molding fuel, wood powder design, for the finished product material that regular shape, quality are homogeneous, can play good drying effect, but obtains biomass molding fuel and inherently need higher financial cost; Two, this system is that single-stage is dry, material time of staying in cylinder is short, because taking up an area limited and considering that cylindrical shell can not manufacture long again by energy consumption, cost factor, even if adopt automatic control technology to reduce drum rotation speed, extend material and smoke contacts time, contact surface, but also only can remove the external Free water of material, the Bound moisture in material cannot be removed; Three, for wide material sources, moisture uneven agriculture and forestry discarded object bulk cargo, bad adaptability during the complicated material in single-stage drying system process source, drying effect is undesirable; Four, the clean-up effect of single cyclone dust collectors to tail gas is limited, and the granule dust do not eliminated is emptying can affect environment.
Utility model content
The utility model is according to above-mentioned the deficiencies in the prior art, a kind of multiple stage circulation drum-type drying system for biomass material is provided, make full use of agriculture and forestry discarded object and thermal source and material source are provided, turn waste into wealth, solve the problem that drying efficiency is low, oven dry cost is high.
The utility model provide technical scheme be: a kind of multiple stage circulation drum-type drying system for biomass material, it is characterized in that, comprise: hot-blast stove 1, wood chipping equipment 2, A roller drier 3, B roller drier 4 and dust arrester 5, the output of described hot-blast stove 1 is connected with the discharge end of the feed end of A roller drier 3 and B roller drier 4, described wood chipping equipment 2 is longitudinally arranged with A roller drier 3 and is connected by fixed belt feeder 31, the discharge end of described A roller drier 3 is connected with described dust arrester 5 with the feed end of B roller drier 4, described A roller drier 3 exit side is connected with B roller drier 4 feed side through the first moving belt conveyer 37, B roller drier 4 exit side is connected with A roller drier 3 feed side through the second moving belt conveyer 46.
Technical scheme is further: described hot-blast stove comprises combustion chamber, expansion chamber, fire grate 11, air blast 12, grey room 13 and firebreak 14, described hot-blast stove Inner Front End is combustion chamber, rear end is expansion chamber, cut off by upright vault firebreak 14 in the middle of described combustion chamber and described expansion chamber, it is fire grate 11 below described combustion chamber, the air blast 12 that described fire grate 11 is arranged outward by air loop duct and stove is connected, and is grey room 13 immediately below described fire grate 11.
Further technical scheme is: described fire grate 11 comprises hand fire grate and traveling-grate stoker.
Technical scheme is further: described dust arrester comprises cyclone separator 51, air-introduced machine 52, airtight water tank 53 and chimney 54, the radial inlet of described cyclone separator 51 is connected by axle center smoke pipe 511,512 with A, B drum dryer end, bottom cone tail establishes ash-valve 513, cyclone separator 51 axially outlet is connected with air-introduced machine 52, air-introduced machine 52 exports the interior close water surface of airtight water tank 53 that smoke pipe 522 stretches into horizontal positioned, and chimney 54 is fixed on airtight water tank 53 top.
Further technical scheme is: arrange one or more atomizer 541 in the middle hypomere of described chimney 54.
Technical scheme is further: also comprise control device, and described control device comprises warming signal and backfeed loop, wet sense signal and backfeed loop, and described control device is connected with roller drier converter plant.
Technical scheme is further: described fixed belt feeder 31 bottom supporting roller 311 upper end is fixedly connected with wood chipping equipment 2, and top carrying roller 312 upper end is fixedly connected with material feeding box 32; Fixed belt feeder 31 gradient is less than or equal to 20 °; Top carrying roller 312 side place establishes drive motors.
Technical scheme is further: described first moving belt conveyer 37 comprises bottom supporting roller 371 and top carrying roller 372, termination Blowing stopper 36 on described bottom supporting roller 371, carrying roller 372 upper end, described top arranges drive motors, and carrying roller 372 upper end, described top is that the center of circle is with 0 ~ 180 ° of rotation with bottom supporting roller 371.
Technical scheme is further: described second moving belt conveyer 46 comprises bottom supporting roller 461 and top carrying roller 462, termination Blowing stopper 45 on described bottom supporting roller 461, carrying roller 462 upper end, described top arranges drive motors, and carrying roller 462 upper end, described top is that the center of circle is with 0 ~ 180 ° of rotation with bottom supporting roller 461.
The utility model has following beneficial effect: one, and the material strong adaptability larger to moisture difference, can process the mixed material of wide material sources different batches simultaneously; Two, by warming, wet sense signal and backfeed loop, control device can grasp drying time and adjustment drying process flexibly, makes material reach desirable degree of drying; Three, utilize the biomass materials such as bark as hot-blast stove fuel, turn waste into wealth, reduce thermal source cost, improve the economic and practical of drying system; Four, utilize cyclone dust removal and Water-fog dusting apparatus, significantly reduce airborne dust and tail gas dust, clean environment.
Accompanying drawing explanation
A kind of multiple stage circulation drum-type drying system construction drawing for biomass material that Fig. 1 provides for the utility model;
Fig. 2 is the structural representation of the fixed belt feeder that the utility model proposes;
Fig. 3 is the structural representation of the first moving belt conveyer (the second moving belt conveyer) that the utility model proposes.
Detailed description of the invention
The technological means realized for making the utility model, character of innovation, reaching object and effect is easy to understand, below in conjunction with detailed description of the invention, setting forth the utility model further.
See Fig. 1.Fig. 2 and Fig. 3, wherein Fig. 1 is a kind of multiple stage circulation drum-type drying system construction drawing for biomass material that the utility model proposes, Fig. 2 is the structural representation of the fixed belt feeder that the utility model proposes, and Fig. 3 is the structural representation of the first moving belt conveyer (the second moving belt conveyer) that the utility model proposes.
As shown in Figure 1, a kind of multiple stage circulation drum-type drying system for biomass material, comprise: hot-blast stove 1, wood chipping equipment 2, A roller drier 3, B roller drier 4 and dust arrester 5, the output of described hot-blast stove 1 is connected with the discharge end of the feed end of A roller drier 3 and B roller drier 4, described wood chipping equipment 2 is longitudinally arranged with A roller drier 3 and is connected by fixed belt feeder 31, the discharge end of described A roller drier 3 is connected with described dust arrester 5 with the feed end of B roller drier, described A roller drier 3 exit side is connected with B roller drier 4 feed side through the first moving belt conveyer 37, B roller drier 4 exit side is connected with A roller drier 3 feed side through the second moving belt conveyer 46.
In the utility model embodiment, multiple stage circulation drum-type drying system is not limited to two roller driers, also can be three grades, level Four or more, those skilled in the art can select the quantity of roller drier as required, and the utility model is not restricted this.
Further, described hot-blast stove comprises combustion chamber, expansion chamber, fire grate 11, air blast 12, grey room 13 and firebreak 14, described hot-blast stove Inner Front End is combustion chamber, rear end is expansion chamber, cut off by upright vault firebreak 14 in the middle of described combustion chamber and described expansion chamber, be fire grate 11 below described combustion chamber, the air blast 12 that described fire grate 11 is arranged outward by air loop duct and stove is connected, and is grey room 13 immediately below described fire grate 11.
The horizontal layout of hot-blast stove 1, front end system combustion chamber, rear end is expansion chamber, and centre firebreak 14 cuts off; The biomass materials such as bark can through artificial or mechanical device charging, fire grate 11 upper strata burning in combustion chamber, and air blast 12 regulates air quantity, the heat smoke needed for generation; Lime-ash after burning enters furnace bottom ash room 13, periodic cleaning; Flue gas, after expansion chamber sedimentation, under the draft effect of air-introduced machine 52, stretches in A roller drier 3, B roller drier 4 through material feeding box 33, feed box 44 through pipe 151, pipe 152 respectively.
Further, described fire grate 11 comprises hand fire grate and traveling-grate stoker.Adopting hand fire grate and traveling-grate stoker to combine is suitable for biomass material to realize layer combustion, material is burnt more abundant.
Under air blast effect, the biomass materials such as bark are positioned on the upside of combustion chamber of hot-blast stove fire grate and carry out layer combustion, produce heat smoke under air-introduced machine effect, enter A roller drier feed side, B roller drier exit side simultaneously; Simultaneously from A roller drier exit side, the sucking-off of B roller drier feed side.
Material, after wood chipping equipment is chipped, enters in A roller drier through fixed belt feeder, transfers in B roller drier from moving belt conveyer; B roller drier moving belt conveyer directly can export finished product materials, maybe can connect the fixed belt feeder of A roller drier, realize cyclic drying.
In the utility model embodiment, establish a vertical type firebreak in hot-blast stove, wall front end is combustion chamber, and wall rear end is expansion chamber, enters in roller drier to prevent Mars; Smoke pipe 151,152 and cylindrical shell coaxially stretch in A, B roller drier, and establish radial fire-proof plate, control flue gas flow and prevent on fire.
Described dust arrester comprises cyclone separator 51, air-introduced machine 52, airtight water tank 53 and chimney 54, the radial inlet of described cyclone separator 51 is connected by axle center smoke pipe 511,512 with A, B drum dryer end, bottom cone tail establishes ash-valve 513, cyclone separator 51 axially outlet is connected with air-introduced machine 52, air-introduced machine 52 exports the interior close water surface of airtight water tank 53 that smoke pipe 522 stretches into horizontal positioned, and chimney 54 is fixed on airtight water tank 53 top.
In the middle hypomere of described chimney 54, one or more atomizer 541 is set.
Smoke pipe 511 is axially communicated with the feed box 35 of A roller drier, and smoke pipe 512 is axially communicated with, through cyclone separator 51 dedusting under the draft effect of air-introduced machine 52 with the material feeding box 42 of B roller drier; After dedusting, flue gas enters sedimentation in airtight water tank 53 through smoke pipe 521, smoke pipe 522; Tail gas is emptying through chimney 54; Atomizer 541 is set in chimney 54, further dust suppression; Atomizer 541 can connect running water pipe direct-furnish.
Comprise control device further, described control device comprises warming signal and backfeed loop, wet sense signal and backfeed loop, and control device is connected with roller drier converter plant.
In the utility model embodiment, detected the material in cylinder by set temperature sensor and humidity sensor, control device receives temperature and the converter plant of moisture signal to roller drier controls, and transmits material.
Described fixed belt feeder 31 bottom supporting roller 311 upper end is fixedly connected with wood chipping equipment 2, and top carrying roller 312 upper end is fixedly connected with material feeding box 32; Fixed belt feeder 31 gradient is no more than 20 °; Top carrying roller 312 side place establishes drive motors.
Described first moving belt conveyer 37 comprises bottom supporting roller 371 and top carrying roller 372, termination Blowing stopper 36 on described bottom supporting roller 371, carrying roller 372 upper end, described top arranges drive motors, and carrying roller 372 upper end, described top is that the center of circle is with 0 ~ 180 ° of rotation with bottom supporting roller 371.
Described second moving belt conveyer 46 comprises bottom supporting roller 461 and top carrying roller 462, termination Blowing stopper 45 on described bottom supporting roller 461, carrying roller 462 upper end, described top arranges drive motors, and carrying roller 462 upper end, described top is that the center of circle is with 0 ~ 180 ° of rotation with bottom supporting roller 461.
In the utility model embodiment, the first mobile belt machine and the second mobile belt machine can use flexible material pair and Blowing stopper junction to carry out semi-surrounding sealing, anti-leak-stopping material; Be 0 ~ 180 ° of rotation by top carrying roller, can roll off the production line or connect lorry, Blowing stopper or fixed belt feeder can be connect.
In the utility model, turnover hopper, smoke pipe and Blowing stopper will ensure sealing, and preventing air from entering affects drying effect; Turnover hopper and roller drying machine drum body adopt radial labyrinth formula to seal.
Specific implementation process of the present utility model is as follows:
Biomass material is delivered in wood chipping equipment 2 and chips by feeding belt 21, and wood chipping equipment 2 is connected and fixed formula belt feeder 31 and is delivered in Blowing stopper 32; Blowing stopper 32 is positioned at material feeding box 33 side axle center end on the upper side and connects, and material feeding box 33 is tightly connected with the coaxial radial labyrinth formula that adopts of cylindrical shell 3; Variable speed drive 34 drives driven support roller 341,342 to operate, and cylindrical shell 3 is rotated along axle center; Cylindrical shell 3 and horizontal plane keep about 3-5 ° small angle inclination, and material feeding box 33 is higher, and feed box 35 is lower; Material rotates and flue gas downstream heat exchange, through feed box 35, Blowing stopper 36 discharging with cylindrical shell 3; As material reaches drying effect, can directly roll off the production line through the first moving belt conveyer 37.
As undesirable in dry materials effect, connect Blowing stopper 41, material feeding box 42 through the first moving belt conveyer 37 after material discharging, in cylindrical shell 4, drive driven support roller 431,432 to operate by variable speed drive 43; Cylindrical shell 4 and horizontal plane keep about 3-5 ° small angle inclination, rotate along axle center; Material feeding box 42 is higher, and feed box 44 is lower; Material rotates and flue gas adverse current heat exchange, through feed box 44, Blowing stopper 45 discharging with cylindrical shell 4; As material reaches drying effect, can directly roll off the production line through the second moving belt conveyer 46.
As dry materials effect is still undesirable, material can connect fixed belt feeder 31 through the second moving belt conveyer 46, realizes cyclic drying.
The utility model has following beneficial effect: one, and the material strong adaptability larger to moisture difference, can process the mixed material of wide material sources different batches simultaneously; Two, by warming, wet sense signal and backfeed loop, control device can grasp drying time and adjustment drying process flexibly, makes material reach desirable degree of drying; Three, utilize the biomass materials such as bark as hot-blast stove fuel, turn waste into wealth, reduce thermal source cost, improve the economic and practical of drying system; Four, utilize cyclone dust removal and Water-fog dusting apparatus, significantly reduce airborne dust and tail gas dust, clean environment.
Claims (9)
1. the multiple stage circulation drum-type drying system for biomass material, it is characterized in that, comprise: hot-blast stove (1), wood chipping equipment (2), A roller drier (3), B roller drier (4) and dust arrester (5), the output of described hot-blast stove (1) is connected with the discharge end of the feed end of A roller drier (3) and B roller drier (4), described wood chipping equipment (2) and A roller drier (3) are longitudinally arranged and are passed through fixed belt feeder (31) and be connected, the discharge end of described A roller drier (3) is connected with described dust arrester (5) with the feed end of B roller drier (4), described A roller drier (3) exit side is connected with B roller drier (4) feed side through the first moving belt conveyer (37), B roller drier (4) exit side is connected with A roller drier (3) feed side through the second moving belt conveyer (46).
2. a kind of multiple stage circulation drum-type drying system for biomass material according to claim 1, it is characterized in that, described hot-blast stove (1) comprises combustion chamber, expansion chamber, fire grate (11), air blast (12), ash room (13) and firebreak (14), described hot-blast stove (1) Inner Front End is combustion chamber, rear end is expansion chamber, cut off by upright vault firebreak (14) in the middle of described combustion chamber and described expansion chamber, it is fire grate (11) below described combustion chamber, the air blast (12) that described fire grate (11) is arranged outward by air loop duct and stove is connected, be grey room (13) immediately below described fire grate (11).
3. a kind of multiple stage circulation drum-type drying system for biomass material according to claim 2, it is characterized in that, described fire grate (11) comprises hand fire grate and traveling-grate stoker.
4. a kind of multiple stage circulation drum-type drying system for biomass material according to claim 1, it is characterized in that, described dust arrester (5) comprises cyclone separator (51), air-introduced machine (52), airtight water tank (53) and chimney (54), (51) radial inlet of described cyclone separator and A, B drum dryer end is by axle center smoke pipe (511, 512) connect, bottom cone tail establishes ash-valve (513), cyclone separator (51) axially outlet is connected with air-introduced machine (52), the airtight water tank (53) that air-introduced machine (52) outlet smoke pipe (522) stretches into horizontal positioned is interior near the water surface, chimney (54) is fixed on airtight water tank (53) top.
5. a kind of multiple stage circulation drum-type drying system for biomass material according to claim 4, is characterized in that, arrange one or more atomizer (541) in the middle hypomere of described chimney (54).
6. a kind of multiple stage circulation drum-type drying system for biomass material according to claim 1, it is characterized in that, also comprise control device, described control device comprises warming signal and backfeed loop, wet sense signal and backfeed loop, and described control device is connected with described roller drier converter plant.
7. a kind of multiple stage circulation drum-type drying system for biomass material according to claim 1, it is characterized in that, described fixed belt feeder (31) comprises bottom supporting roller (311) and top carrying roller (312), bottom supporting roller (311) upper end is fixedly connected with wood chipping equipment (2), and top carrying roller (312) upper end is fixedly connected with material feeding box (32); Fixed belt feeder (31) gradient is no more than 20 °; Top carrying roller (312) side place establishes drive motors.
8. a kind of multiple stage circulation drum-type drying system for biomass material according to claim 1, it is characterized in that, described first moving belt conveyer (37) comprises bottom supporting roller (371) and top carrying roller (372), described bottom supporting roller (termination Blowing stopper (36) on 371, carrying roller (372) upper end, described top arranges drive motors, carrying roller (372) upper end, described top with bottom supporting roller (371) for the center of circle is with 0 ~ 180 ° of rotation.
9. a kind of multiple stage circulation drum-type drying system for biomass material according to claim 1, it is characterized in that, described second moving belt conveyer (46) comprises bottom supporting roller (461) and top carrying roller (462), the upper termination Blowing stopper (45) of described bottom supporting roller (461), carrying roller (462) upper end, described top arranges drive motors, carrying roller (462) upper end, described top with bottom supporting roller (461) for the center of circle is with 0 ~ 180 ° of rotation.
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| CN201420440376.XU CN204063862U (en) | 2014-08-06 | 2014-08-06 | A kind of multiple stage circulation drum-type drying system for biomass material |
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| CN201420440376.XU CN204063862U (en) | 2014-08-06 | 2014-08-06 | A kind of multiple stage circulation drum-type drying system for biomass material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371635A (en) * | 2015-12-15 | 2016-03-02 | 驻马店华中正大有限公司 | Multistage cyclic drying system used for feeding particle aureomycin |
| CN105371618A (en) * | 2015-12-16 | 2016-03-02 | 四川安宁铁钛股份有限公司 | Electrically-separated titanium concentrate drying system |
| CN106642143A (en) * | 2016-12-16 | 2017-05-10 | 北京神雾环境能源科技集团股份有限公司 | Garbage drying furnace |
| CN107576178A (en) * | 2017-08-31 | 2018-01-12 | 北京环清环境科技有限公司 | A kind of material drying system and operation method |
| CN107745430A (en) * | 2016-12-28 | 2018-03-02 | 福建省沙县鸿源安生物科技有限公司 | A kind of mao bamboon raw material prepares the production line of bamboo powder |
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2014
- 2014-08-06 CN CN201420440376.XU patent/CN204063862U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371635A (en) * | 2015-12-15 | 2016-03-02 | 驻马店华中正大有限公司 | Multistage cyclic drying system used for feeding particle aureomycin |
| CN105371618A (en) * | 2015-12-16 | 2016-03-02 | 四川安宁铁钛股份有限公司 | Electrically-separated titanium concentrate drying system |
| CN106642143A (en) * | 2016-12-16 | 2017-05-10 | 北京神雾环境能源科技集团股份有限公司 | Garbage drying furnace |
| CN107745430A (en) * | 2016-12-28 | 2018-03-02 | 福建省沙县鸿源安生物科技有限公司 | A kind of mao bamboon raw material prepares the production line of bamboo powder |
| CN107576178A (en) * | 2017-08-31 | 2018-01-12 | 北京环清环境科技有限公司 | A kind of material drying system and operation method |
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Granted publication date: 20141231 Termination date: 20180806 |
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| CF01 | Termination of patent right due to non-payment of annual fee |