CN110864282A - System for crushing, batching and feeding various biomasses and processing method thereof - Google Patents
System for crushing, batching and feeding various biomasses and processing method thereof Download PDFInfo
- Publication number
- CN110864282A CN110864282A CN201911101744.1A CN201911101744A CN110864282A CN 110864282 A CN110864282 A CN 110864282A CN 201911101744 A CN201911101744 A CN 201911101744A CN 110864282 A CN110864282 A CN 110864282A
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- belt
- biomass
- feeding
- feeding system
- crusher
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- 238000003672 processing method Methods 0.000 title abstract description 9
- 239000002028 Biomass Substances 0.000 claims abstract description 39
- 238000012546 transfer Methods 0.000 claims abstract description 34
- 239000000428 dust Substances 0.000 claims abstract description 31
- 239000000446 fuel Substances 0.000 claims abstract description 29
- 239000012190 activator Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 28
- 238000002156 mixing Methods 0.000 claims description 14
- 238000002309 gasification Methods 0.000 claims description 13
- 230000004913 activation Effects 0.000 claims description 12
- 239000010902 straw Substances 0.000 claims description 11
- 239000002023 wood Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/22—Fuel feeders specially adapted for fluidised bed combustion apparatus
-
- 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
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/50—Fuel charging devices
Abstract
The invention discloses a multiple biomass crushing, proportioning and feeding system and a processing method thereof, and the system comprises a comprehensive crusher set, a #1 transfer belt, a #2 feeding belt, a #1 dust remover and an anti-blocking bin which are arranged in a pit, wherein the comprehensive crusher set comprises a #1 comprehensive crusher arranged in the #1 pit and a #2 comprehensive crusher arranged in the #2 pit, and the #1 transfer belt is arranged at a discharge port at the lower part of the #1 comprehensive crusher and the #2 comprehensive crusher; the anti-blocking bin comprises a support frame, #2 dust remover, a bearing activator and a bin body arranged in the support frame. Through the cooperative operation of the biomass comprehensive crusher, the proportion of different fuels can be flexibly adjusted by adjusting the crushing granularity and the equipment output of the crusher, the problems of large operation load fluctuation and the like caused by the fact that the conventional circulating fluidized bed boiler and a gasifier feeding system cannot be prepared are solved, and the application range of the circulating fluidized bed boiler and the gasifier to the fuels is greatly improved.
Description
Technical Field
The invention relates to the field of biomass power generation, in particular to a system for crushing, batching and feeding various biomasses and a processing method thereof.
Background
China is a big agricultural country, and the agricultural straws have huge yield and great treatment difficulty. The biomass power plant mainly utilizes one of households, but due to the characteristics that the straws are difficult to crush, the specific gravity is small, the straws are difficult to be uniformly mixed with the traditional wood fuel, and the like, the mixed combustion amount of the straws in the fuel of the biomass power plant is small. In order to consume agricultural straws with huge yield, related national departments have issued an encouraging policy of multiple straw power generation in sequence since 2017, and the utilization rate and the blending combustion ratio of a biomass power plant to straw fuels are improved.
At present, a biomass circulating fluidized bed boiler or a gasification furnace requires fuel to be crushed to a certain granularity, the fuel mainly takes wood biomass as a main material, a small amount of straw fuel is mixed, fuel batching and mixing cannot be realized due to the fact that a feeding system mostly adopts a traditional pit, and only an alternative feeding mode can be adopted for different fuels, so that the boiler or the gasification furnace is unstable in combustion, the operation pressure is increased, and meanwhile, great fluctuation is generated for the operation of a follow-up system.
Disclosure of Invention
The invention aims to provide a system for crushing, batching and feeding various biomasses and a processing method thereof, and aims to solve the technical problem that the biomass feeding system in the prior art cannot realize uniform batching and mixing.
In order to achieve the purpose, the invention adopts the following technical scheme: the invention provides a multiple biomass crushing, batching and feeding system, which comprises a comprehensive crusher set, a #1 transferring belt, a #2 feeding belt, a #1 dust remover and an anti-blocking bin, wherein the comprehensive crusher set is arranged in a pit, the comprehensive crusher set comprises a #1 comprehensive crusher arranged in the #1 pit and a #2 comprehensive crusher arranged in the #2 pit, and the #1 transferring belt is arranged at a discharge port at the lower part of the #1 comprehensive crusher and the #2 comprehensive crusher;
the anti-blocking bin comprises a support frame, #2 dust remover, a bearing activator and a bin body arranged in the support frame, wherein the support frame comprises a first platform at the top, a second platform arranged right below the first platform and a third platform for bearing the bin body, the #2 dust remover is erected on the first platform, the lower part of the #2 dust remover is arranged in the bin body, and the bearing activator is arranged at the lower part of the inner side surface of the bin body;
the #2 material loading belt is obliquely arranged, one end of the #2 material loading belt is connected with the #1 transfer belt, a transfer funnel is arranged at the joint of the #2 material loading belt and the #1 transfer belt, a #1 dust remover is arranged on the upper portion of the transfer funnel, and the other end of the #2 material loading belt is communicated with the stock bin body.
Further, #1 transfer belt was disposed horizontally.
Further, the load-bearing activator comprises two load-bearing activation spirals arranged horizontally and at a distance.
Furthermore, the anti-blocking bin also comprises a fire-fighting device; the fire fighting device is arranged above the stock bin body; fire fighting adopts fire fighting water or fire fighting steam.
Further, the feed bin body is provided with an overhaul manhole.
Further, the outer side surface of the stock bin body is provided with a support lug, and the support lug is arranged on the third platform in a lap mode.
Further, a belt scale is arranged on the #2 feeding belt.
Further, the biomass comprises wood-breaking biomass fuel and/or straw biomass fuel.
Further, a camera is also arranged on the stock bin body; the camera has two at least and the symmetry sets up on feed bin body inside wall upper portion.
Further, feed bin body upper portion is provided with the blanking mouth that is used for passing the transfer funnel.
Furthermore, the #1 dust remover and the #2 dust remover are both pulse type bag dust removers with dust buckets. The #1 dust collector was placed above the transfer funnel.
The invention also provides a processing method of the multiple biomass crushing, batching and feeding system, which comprises the following steps:
step one, two different biomass materials fall to a #1 transfer belt after being crushed by a #1 comprehensive crusher and a #2 comprehensive crusher respectively;
secondly, the material is conveyed to a transfer funnel by a #1 transfer belt, and the material is fully mixed in the transfer funnel and falls on a #2 feeding belt;
step three, #2 feeding belt sends the mixed material into the bunker body;
conveying the mixed material to a feeding system through a pressure-bearing activation screw; the feeding system can use a screw or a belt or a chute.
And fifthly, the mixed materials are sent to a biological boiler or gasification and the like through a feeding system for incineration or gasification.
The invention has the beneficial effects that:
according to the multiple biomass crushing, batching and feeding system and the processing method thereof, provided by the invention, the two biomass comprehensive crushers work cooperatively, and the crushing particle size and the equipment output of the crushers are adjusted, so that the proportion of different fuels can be flexibly adjusted, the problems of large operation load fluctuation and the like caused by incapability of batching in the feeding system of the conventional circulating fluidized bed boiler and the conventional gasification furnace are solved, and the application range of the circulating fluidized bed boiler and the gasification furnace to the fuels is greatly improved.
According to the multiple biomass crushing, batching and feeding system and the processing method thereof, manual and mechanical transportation cost can be greatly reduced when biomass is sent into the comprehensive crusher set.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a cross-sectional view of the loading system of FIG. A-A of the present invention;
FIG. 2 is a partial enlarged view of the anti-clogging bin;
FIG. 3 is a cross-sectional view of the bin of FIGS. B-B of the present invention;
FIG. 4 is a plan view of the loading system of FIGS. C-C of the present invention;
fig. 5 is a diagram of the crusher arrangement of fig. D-D of the present invention.
Reference numerals: the device comprises a 1- #1 transfer belt, a 2- #2 feeding belt, a 3- #1 dust remover, a 4-anti-blocking bin, a 5- #1 pit, a 6- #1 comprehensive crusher, a 7- #2 pit, an 8- #2 comprehensive crusher, a 9- #2 dust remover, a 10-first platform, a 11-second platform, a 12-third platform, a 13-bin body, a 14-bearing activator, a 15-transfer funnel, a 16-maintenance manhole, a 17-lug, a 18-fire fighting device, a 19-camera, a 20-bearing activation spiral and a 21-support frame.
Detailed Description
The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and illustrating the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
Examples
As shown in fig. 1-5, the fuel proportioning and mixing system for multiple fuel blending combustion of a biomass circulating fluidized bed boiler and a gasification furnace provided by the invention comprises a comprehensive crusher set, a #1 transfer belt 1, a #2 feeding belt 2, a #1 dust remover 3 and an anti-blocking bin 4, which are arranged in a pit, wherein the comprehensive crusher set comprises a #1 comprehensive crusher 6 arranged in a #1 pit 5 and a #2 comprehensive crusher 8 arranged in a #2 pit 7, and a #1 transfer belt 1 is arranged at a discharge port at the lower part of the #1 comprehensive crusher 6 and the #2 comprehensive crusher 8. #1 transfer Belt 1 is positioned horizontally. The #1 pit 5 and the #2 pit can respectively receive different biomass raw materials and can be fed by a grab bucket or a forklift. Crusher 6 is synthesized to #1 and the biomass fuel of the comprehensive breaker 8 of #2 all can broke wooden class biomass fuel and straw class fall to #1 after the breakage and transport belt 1, through exerting oneself of two crushers of frequency conversion regulation control, adjust the different proportions of the different fuels of variable frequency motor control, and the cutter size adjustment is changed in the ejection of compact size accessible of two crushers to realize mixing of different fuels and burn the proportion.
The anti-blocking bin 4 comprises a supporting frame 21, #2 dust remover 9, a bearing activator 14 and a bin body 13 arranged in the supporting frame 21, wherein the supporting frame 21 comprises a first platform 10 at the top, a second platform 11 arranged right below the first platform 10 and a third platform 12 arranged right below the second platform 11 and used for bearing the bin body 13, the #2 dust remover 9 is arranged on the first platform 10 in a lap joint manner, the lower part of the #2 dust remover 9 is arranged in the bin body 13, and the bearing activator 14 is arranged at the lower part of the inner side surface of the bin body 13; the bin body 13 is of a splayed structure; the load-bearing activator 14 includes two load-bearing activation screws 20 disposed in a horizontally spaced apart relationship. And each bearing activation helix 20 is driven by a bearing activation helix 20 motor, and each bearing activation helix 20 is provided with shifting teeth which are arranged in a staggered manner.
The bin body 13 is provided with a manhole 16 at a position above the load bearing activation screw 20. The bearing activation screw 20 is used for sharing the pressure of the fuel on the primary material taking screw, and is used for breaking an arch and activating to prevent the arch of the fuel and bridging. A fire-fighting device 18 is further arranged above the bin body 13, and fire-fighting water or fire-fighting steam is used for fire fighting.
The outer side surface of the bin body 13 is provided with a support lug 17, the support lug 17 is fixedly installed and erected on a support leg of the third platform 12, and the upper part of the bin body 13 is provided with a blanking port used for penetrating through the transfer funnel 15. The bin body 13 is also provided with a camera 19; the at least two cameras 19 are symmetrically arranged at the diagonal positions of the upper part of the inner side wall of the bin body 13 and are used for monitoring the in-out state of the fuel in the bin body 13. . #2 dust remover 9, i.e. the outlet below the top dust remover, communicates with the inlet above the silo body 13. The ash collected by the #2 dust collector 9 falls into the bin body 13.
The #2 material loading belt 2 inclines, one end of the #2 material loading belt 2 is connected with the #1 transfer belt 1, a transfer funnel 15 is arranged at the joint of the #2 material loading belt 2 and the #1 transfer belt 1, a #1 dust remover 3 is arranged on the upper portion of the transfer funnel 15, and the other end of the #2 material loading belt 2 is communicated with the bin body 13. The feed end of the #2 feeding belt 2 is arranged below the transfer funnel 15, and fuel is fed into the storage bin through a certain inclination angle. Wherein, the #1 dust remover 3 and the #2 dust remover 9 are both pulse type cloth bag dust removers with dust hoppers. The #1 dust collector 3 is placed above the transfer funnel 15.
The processing method of the multiple biomass crushing, batching and feeding system comprises the following steps:
firstly, two different biomass materials fall to a #1 transfer belt 1 after being crushed by a #1 comprehensive crusher 6 and a #2 comprehensive crusher 8 respectively;
secondly, the material is conveyed to a transfer funnel 15 by a #1 transfer belt 1, and the material is fully mixed in the transfer funnel 15 and then falls on a #2 feeding belt 2; the #2 feeding belt 2 is provided with a four-carrier roller belt scale which can accurately weigh the instantaneous conveying amount and the accumulated conveying amount of the fuel;
step three, the #2 feeding belt 2 feeds the mixed material into the stock bin body 13;
step four, conveying the mixed material to a feeding system through a pressure-bearing activation screw 20;
and fifthly, the mixed materials are sent to a biological boiler or gasification and the like through a feeding system for incineration or gasification.
The invention can well solve the problem that the feeding system can not realize uniform proportioning and mixing at the present stage, can flexibly adjust the proportion of different fuels through the cooperative operation of the two biomass comprehensive crushers, overcomes the problems of large operation load fluctuation and the like caused by incapability of proportioning of the feeding system of the existing circulating fluidized bed boiler and the existing gasification furnace, and greatly improves the application range of the circulating fluidized bed boiler and the gasification furnace to the fuels.
The number of the specific crushers of the comprehensive crusher set can be adjusted according to actual production requirements.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a multiple living beings are broken, batching, feeding system which characterized in that: the comprehensive crusher set comprises a #1 comprehensive crusher (6) arranged in a #1 pit (5) and a #2 comprehensive crusher (8) arranged in a #2 pit (7), wherein the #1 transportation belt (1) is arranged at the lower discharge port of the #1 comprehensive crusher (6) and the #2 comprehensive crusher (8);
the anti-blocking bin (4) comprises a supporting frame (21), a #2 dust remover (9), a bearing activator (14) and a bin body (13) arranged in the supporting frame (21), wherein the supporting frame (21) comprises a first platform (10) at the top, a second platform (11) arranged right below the first platform (10) and a third platform (12) used for bearing the bin body (13), the #2 dust remover (9) is erected on the first platform (10), the lower part of the #2 dust remover (9) is arranged in the bin body (13), and the bearing activator (14) is arranged on the lower part of the inner side surface of the bin body (13);
the #2 feeding belt (2) is obliquely arranged, one end of the #2 feeding belt (2) is connected with the #1 transferring belt (1), a transferring funnel (15) is arranged at the joint of the #2 feeding belt (2) and the #1 transferring belt (1), a #1 dust remover (3) is arranged on the upper portion of the transferring funnel (15), and the other end of the #2 feeding belt (2) is communicated with the stock bin body (13).
2. The multiple biomass torrefaction, batching, and feeding system of claim 1 wherein the weight-bearing activator (14) includes two horizontally spaced weight-bearing activation screws (20).
3. The multiple biomass comminution, blending, charging system of claim 1, wherein the anti-clogging bin (4) further comprises a fire fighting device (18); the fire fighting device (18) is arranged above the bunker body (13).
4. The multiple biomass crushing, blending and feeding system according to claim 1, wherein the silo body (13) is provided with an access manhole (16).
5. The multiple biomass crushing, blending and feeding system according to claim 1, wherein the outer side of the silo body (13) is provided with a support lug (17), and the support lug (17) is arranged on the third platform (12).
6. The multiple biomass crushing, blending and feeding system according to claim 1, wherein a belt scale is provided on the #2 feeding belt (2).
7. The multiple biomass torrefaction, blending, and feeding system of claim 1, wherein the biomass comprises wood-based biomass fuels and/or straw-based biomass fuels.
8. The multiple biomass crushing, blending and feeding system according to claim 1, wherein the bin body (13) is further provided with a camera (19); the number of the cameras (19) is at least two and the cameras are symmetrically arranged on the upper part of the inner side wall of the storage bin body (13).
9. The multiple biomass crushing, blending and feeding system according to claim 1, wherein the upper part of the silo body (13) is provided with a blanking port for passing through the transfer funnel (15).
10. A method of processing multiple biomass comminution, batching, and loading systems as claimed in any one of claims 1 to 9, comprising the steps of:
step one, two different biomass materials are crushed by a #1 comprehensive crusher (6) and a #2 comprehensive crusher (8) respectively and then fall to a #1 transfer belt (1);
secondly, the material is conveyed to a transfer funnel (15) by a #1 transfer belt (1), and the material is fully mixed in the transfer funnel (15) and then falls on a #2 feeding belt (2);
step three, the #2 feeding belt (2) feeds the mixed material into a bin body (13);
step four, the mixed material is conveyed to a feeding system through a pressure-bearing activation screw (20);
and fifthly, the mixed materials are sent to a biological boiler or gasification and the like through a feeding system for incineration or gasification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911101744.1A CN110864282A (en) | 2019-11-12 | 2019-11-12 | System for crushing, batching and feeding various biomasses and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911101744.1A CN110864282A (en) | 2019-11-12 | 2019-11-12 | System for crushing, batching and feeding various biomasses and processing method thereof |
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| Publication Number | Publication Date |
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| CN110864282A true CN110864282A (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911101744.1A Pending CN110864282A (en) | 2019-11-12 | 2019-11-12 | System for crushing, batching and feeding various biomasses and processing method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101354139A (en) * | 2008-07-16 | 2009-01-28 | 江苏省电力设计院 | Feeding system of biological energy power plant yellow stalk and coordinating control method thereof |
| CN207091369U (en) * | 2017-03-03 | 2018-03-13 | 东莞市东燃热能科技有限公司 | A kind of biomass gasifying parallel connection production system |
| CN108048139A (en) * | 2018-01-21 | 2018-05-18 | 湖北华电襄阳发电有限公司 | The double feedings of biomass fluidized bed gasification furnace enter furnace system |
| CN209383716U (en) * | 2018-11-12 | 2019-09-13 | 北京国电龙源环保工程有限公司 | A kind of double charging gears of Circulating Fluidized Bed Gasifier For Biomass block-resistant sealing |
| CN211976867U (en) * | 2019-11-12 | 2020-11-20 | 北京国电龙源环保工程有限公司 | Mixed fuel feeding system |
-
2019
- 2019-11-12 CN CN201911101744.1A patent/CN110864282A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101354139A (en) * | 2008-07-16 | 2009-01-28 | 江苏省电力设计院 | Feeding system of biological energy power plant yellow stalk and coordinating control method thereof |
| CN207091369U (en) * | 2017-03-03 | 2018-03-13 | 东莞市东燃热能科技有限公司 | A kind of biomass gasifying parallel connection production system |
| CN108048139A (en) * | 2018-01-21 | 2018-05-18 | 湖北华电襄阳发电有限公司 | The double feedings of biomass fluidized bed gasification furnace enter furnace system |
| CN209383716U (en) * | 2018-11-12 | 2019-09-13 | 北京国电龙源环保工程有限公司 | A kind of double charging gears of Circulating Fluidized Bed Gasifier For Biomass block-resistant sealing |
| CN211976867U (en) * | 2019-11-12 | 2020-11-20 | 北京国电龙源环保工程有限公司 | Mixed fuel feeding system |
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