CN101713545B - Fuel conveying method and equipment of boiler for burning crop straws - Google Patents
Fuel conveying method and equipment of boiler for burning crop straws Download PDFInfo
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- CN101713545B CN101713545B CN2009101146103A CN200910114610A CN101713545B CN 101713545 B CN101713545 B CN 101713545B CN 2009101146103 A CN2009101146103 A CN 2009101146103A CN 200910114610 A CN200910114610 A CN 200910114610A CN 101713545 B CN101713545 B CN 101713545B
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Abstract
The invention relates to a fuel conveying method of a boiler for burning crop straws. By utilizing a method of relative moving and rolling of materials during feeding in a burner, the materials of a feed inlet are moved and rolled through a moving type impeller feeding device and a roller type feeder and then reenter the burner. The method can reduce the operation cost, realize uniform and stable feeding and reduce equipment damages. Equipment designed by the method mainly comprises a material cabin, a moving type impeller feeding trolley, an upper blanking pipe, the roller type feeder and a lower blanking pipe. Fragmental crop straw materials pretreated by smashing in a size of 5-25mm or a larger size are sent into the material cabin, and the moving type impeller feeding trolley at the bottom of the material cabin is used for feeding the materials; straw fragmental materials coming out of the moving type impeller feeding trolley fall on the upper blanking pipe; and then crop straw fuels are sent into a boiler through the lower blanking pipe of the roller type feeder.
Description
Technical field
The present invention relates to a kind of fuel conveying method and equipment of burning crop tangerine stalk boiler, belong to the method and apparatus that burner inlet fuel is carried.
Technical background
Crop stalk is a kind of byproduct of agricultural production, and output is big, and it is wide to distribute, and is a kind of environmental protection, cleaning, reproducible biomass energy.Clean, efficiently to utilize the crop straws for producing biomass energy be important energy strategy in the world.At present, combustion technology is to utilize an important technology of agricultural crop straw, and this technology can low-qualityly can be converted into high-quality ability with this, has remarkable economical, society and environmental benefit.
In this technological commercial Application of agricultural crop straw burning, during particularly boiler combustion was used, continous-stable was reinforced most important.At present; The fuel preliminary treatment and the carrying method of boiler combustion agricultural crop straw mainly contain several kinds both at home and abroad: a kind of method is to utilize conventional coal handling system; The straw granular fuel of processing particle after the fragmentation is dropped into boiler combustion through conveyer belt; This preprocess method is because the granule formation technology flow process is complicated, and processing cost is high; A kind of method is to utilize specific charging gear; As advance charging gear, helixes feed equipment to carry out the fuel conveying; But this type charging gear is strict to the dimensional requirement of fuel; Only to narrow-size distribution, single scale, small particle diameter granular material, even and adopt such material, occur often also in actual motion that feed bin " is taken material " and problems such as " tie and encircle " and feeding device feed be not smooth; A kind of method is that the strip agricultural crop straw is shredded processing; The strip-shaped materials that is chopped into 10-200mm is sent into charging gear again; But because the strip after the chopping processing has characteristics such as bulk density is lower, not of uniform size, complex-shaped, interlaced; Being everlasting occurs " bridgings " and " tie and encircle " phenomenon in the feed bin, can't get into charging gear smoothly.In addition, when the existing conventional charging gear is carried the agricultural crop straw of the type, problems such as obstruction even damage equipment can appear.
How realizing the reinforced of low cost, high efficiency and continous-stable, is the difficult problem that agricultural crop straw commercial development utilization faces.
Summary of the invention
The objective of the invention is to the fuel processing cost of burning crop tangerine stalk boiler highly, carry feed not smooth, unstable, the fragile difficulty that waits of equipment provides a kind of fuel conveying method and equipment of burning crop tangerine stalk boiler.
The fuel conveying method of burning crop tangerine stalk boiler of the present invention and the technical scheme of equipment are:
Fuel conveying method of the present invention is a method of utilizing material when the burner charging, to relatively move and roll; Material moved and roll the material of feeding mouth through portable impeller charging gear and drum-type batcher get into burner again; Prevent material skewness even stop up the phenomenon of burner inlet when getting into boiler; Reduction realizes the minimizing of processing cost to the requirement of straw fragmentation; Give trolley and drum-type batcher rotating speed through regulating and control portable impeller, realize evenly, stablize and feed in raw material, reduce device damage.
Adopt the fuel conveying method institute device designed of burning crop tangerine stalk boiler of the present invention to comprise transmission device, conveyer belt, material bin, this equipment also is provided with feed bin, portable impeller is given trolley, higher level's material blanking tube, drum-type batcher, subordinate's material blanking tube; Wherein feed bin is positioned at the top, and portable impeller is installed in the feed bin bottom to trolley, and the part of impeller reaches in the feed bin; Higher level's material blanking tube is installed in portable impeller and gives the trolley below, and the drum-type batcher is installed between higher level's material blanking tube and the subordinate's material blanking tube; Portable impeller is given between trolley and the higher level's material blanking tube can be equipped with the blanking conveying mechanism, and the blanking conveying mechanism comprises second belt conveyer, secondary band deflector chute, three grades of distribution belt conveyors, one-sided discharger; The second belt conveyer is installed in the below that portable impeller is given trolley; Three grades of distribution belt conveyors are installed in the below of second belt conveyer; Be connected by the secondary band deflector chute that is installed in second belt conveyer one end between second belt conveyer and three grades of distribution belt conveyors; On three grades of distribution belt conveyors the one-sided discharger that can make fuel drop on higher level's material blanking tube is installed, the second belt conveyer is opposite with three grades of distribution belt conveyor throughput directions; One side of feed bin is equipped with the feed conveyer structure; The feed conveyer structure comprises straw crusher, one-level belt conveyor; The bilateral discharger, an end of one-level belt conveyor is installed straw crusher, the other end bilateral discharger is installed and be installed in feed bin directly over; Below three grades of distribution belt conveyors, higher level's material blanking tube one side be equipped with can be with three grades of distribution belt conveyors on unspent fuel be transmitted back to the clout loopback mechanism of one-level belt conveyor, clout loopback mechanism comprises loopback belt feeder, loopback band deflector chute, three grades of band deflector chutes; Loopback band deflector chute is installed in an end of loopback belt feeder, and is connected with the one-level belt conveyor; The loopback belt feeder other end is connected with three grades of band deflector chutes that are installed in three grades of distribution belt conveyors; The loopback belt feeder is opposite with three grades of distribution belt conveyor throughput directions.
Beneficial effect: the fuel conveying method and the equipment of burning crop tangerine stalk boiler of the present invention have following characteristic and advantage:
1, reduction is to the processing cost of agricultural crop straw.The present invention need not process granular fuel with the agricultural crop straw fragmentation; Also need not be broken for the small particle diameter granular material; Can agricultural crop straw is broken into size for the punishment in advance width of trolley and drum-type batcher according to portable impeller be 5～25mm or bigger fragment, and fragmentation requires low, and cost is low.
2, stable and reliable operation, feed is even.Feed bin of the present invention bottom adopts portable impeller to give the trolley cloth, and straw fragment in the feed bin is played loosening effect, can not block stifledly, the phenomenon of " taking material " and " tie and encircle " can not occur; Drum-type batcher feed is adopted in the stokehold, and good to straw fragment trafficability characteristic, feed is even, can jam.
3, can damage equipment.The present invention is broken into the fragment that size is 5～25mm with agricultural crop straw, rather than is chopped into strip, and utilizes portable impeller to carry out cloth to trolley and can play certain loosening effect to the storehouse material, does not also use and suppresses feed, so can damage equipment.
4, course of conveying can not cause material waste and environmental pollution.Behind three grades of distribution belt conveyors of the present invention the loopback belt feeder is arranged, can unspent fuel on three grades of distribution belt conveyors be transmitted back to the clout loopback mechanism of one-level belt conveyor, course of conveying can not cause material waste and environmental pollution.
Description of drawings:
Fig. 1 is a process flow diagram of the present invention.Wherein: straw crusher 1, one-level belt conveyor 2, bilateral discharger 3, feed bin 4; Portable impeller is given trolley 5, second belt conveyer 6,7, three grades of distribution belt conveyors 8 of secondary band deflector chute; 9, three grades of bands of one-sided discharger deflector chute 10, loopback belt feeder 11, higher level's material blanking tube 12; Drum-type batcher 13, subordinate's material blanking tube 14, loopback band deflector chute 15.
Fig. 2 is that feed bin of the present invention 4, portable impeller are given trolley 5, second belt conveyer 6 scheme of installations.
The specific embodiment:
The fuel conveying method of burning crop tangerine stalk boiler of the present invention and equipment are to utilize portable impeller to change the discharge method of feed bin and the feed-type of boiler for trolley and drum-type batcher; Reduce operating cost; Realize uniform and stable feeding in raw material, and reduce device damage.Fuel hauling equipment of the present invention mainly forms for trolley 5, higher level's material blanking tube 12, drum-type batcher 13, subordinate's material blanking tube 14 by feed bin 4, portable impeller.With the pretreated size of fragmentation be 5-25mm or more grande culture thing stalk fragment material send into feed bin 4; Portable impeller through its bottom is given trolley 5 feeds; Can directly fall into higher level's material blanking tube 12 from portable impeller to the stalk fragment material that trolley comes out, through drum-type batcher 13 subordinate's material blanking tubes 14 crops tangerine stalk fuel delivered into boiler again.
Can regulate and control portable impeller and control amount and the speed that fuel is carried for the rotating speed of trolley 5 and drum-type batcher 13 according to the burning load of boiler, reach boiler feed and materials balance.Portable impeller stretches into feed bin 4 for the above part in middle part of trolley 5, and straw fragment in the feed bin is played loosening effect, can not block stifledly, the phenomenon of " taking material " and " tie and encircle " can not occur; Drum-type batcher 13 feeds are adopted in the stokehold, and good to straw fragment trafficability characteristic, feed is even, can jam.
Also can below portable impeller is given trolley 5, the blanking conveying mechanism be installed; Material falls into higher level's material blanking tube 12 again through the blanking conveying mechanism, through subordinate's material blanking tube 14 crops tangerine stalk fuel is delivered into burning materials equipment such as boiler again by drum-type batcher 13.The blanking conveying mechanism is made up of second belt conveyer 6 secondary band deflector chutes 7, three grades of distribution belt conveyors 8, one-sided dischargers 9.The stalk fragment is evenly distributed on the second belt conveyer 6 for trolley 5 via the portable impeller of feed bin 4 bottoms; Straw fragment on the second belt conveyer 6 is fallen on three grades of distribution belt conveyors 8 through secondary band deflector chute 7; Straw fragment on three grades of distribution belt conveyors 8 blows into higher level's material blanking tube 12 through many groups of one-sided dischargers 9 that are installed on three grades of distribution belt conveyors 8 with the straw fragment; Through drum-type batcher 13 quantitative and even deliver to subordinate's material blanking tube 14, send into boiler combustion.
Below three grades of distribution belt conveyors, higher level's material blanking tube one side can be equipped with can be with three grades of distribution belt conveyors on unspent fuel be transmitted back to the clout loopback mechanism of one-level belt conveyor, clout loopback mechanism is made up of loopback belt feeder 11, loopback band deflector chute 15, three grades of band deflector chutes 10.Unspent straw fragment is fallen loopback belt feeder 11 through three grades of band deflector chutes 10 on three grades of distribution belt conveyors 8, and the straw fragment on the loopback belt feeder 11 is fallen through loopback band deflector chute 15 and sent back to feed bin 4 on the one-level belt conveyor 2 again and redistribute.
Combine accompanying drawing 1 explanation embodiments of the invention at present:
Shown in accompanying drawing 1; Crop stalk disintegrating machine 1 is broken into straw big or small for behind the fragment of 5-25mm; The straw fragment falls into one-level belt conveyor 2; One-level belt conveyor 2 is delivered to feed bin 4 tops to the straw fragment; Many groups bilateral discharger 3 through being installed on the one-level belt conveyor 2 is scraped feeding warehouse 4 with the straw fragment; The straw fragment that is stored in feed bin 4 is evenly distributed to trolley 5 through the portable impeller that is installed in feed bin 4 bottoms and is installed in portable impeller on the second belt conveyer 6 under the trolley 5; Straw fragment on the second belt conveyer 6 is fallen on three grades of distribution belt conveyors 8 through secondary band deflector chute 7; Straw fragment on three grades of distribution belt conveyors 8 blows into higher level's material blanking tube 12 through many groups of one-sided dischargers 9 that are installed on three grades of distribution belt conveyors 8 with the straw fragment, the straw fragment on higher level's material blanking tube 12 through drum-type batcher 13 quantitative and even deliver to subordinate's material blanking tube 14, the straw fragment of subordinate's material blanking tube 14 is directly sent into the boiler combustion of burning crop straw; Unspent straw fragment is fallen loopback belt feeder 11 through three grades of band deflector chutes 10 on three grades of distribution belt conveyors 8, and the straw fragment on the loopback belt feeder 11 is fallen through loopback band deflector chute 15 and sent back to feed bin 4 on the one-level belt conveyor 2 again and redistribute.
Shown in accompanying drawing 2: portable impeller is installed in second belt conveyer 6 tops for trolley 5; Portable impeller reaches 4 li of feed bins for the impeller part of trolley 5; Scrape the straw fragment of feed bin 4 through wheel rotation, directly fall on the second belt conveyer 6.
Claims (6)
1. the fuel conveying method of a burning crop tangerine stalk boiler; It is characterized in that: the method for utilizing material when the burner charging, to relatively move and roll; Material moved and roll the material of feeding mouth through portable impeller charging gear and drum-type batcher get into burner again, prevent material skewness even stop up burner inlet when getting into boiler.
2. the equipment that the fuel conveying method of burning crop tangerine stalk boiler as claimed in claim 1 adopts; Comprise transmission device, conveyer belt, material bin, it is characterized in that: this equipment also is provided with feed bin (4), portable impeller is given trolley (5), higher level's material blanking tube (12), drum-type batcher (13), subordinate's material blanking tube (14); Wherein feed bin (4) is positioned at the top, and portable impeller is installed in feed bin (4) bottom for trolley (5), and the part of impeller reaches in the feed bin; Drum-type batcher (13) is installed between higher level's material blanking tube (12) and the subordinate's material blanking tube (14), and higher level's material blanking tube (12) is installed in portable impeller and gives trolley (5) below.
3. equipment according to claim 2; It is characterized in that: give between trolley (5) and the higher level's material blanking tube (12) at portable impeller the blanking conveying mechanism is installed, described blanking conveying mechanism comprises second belt conveyer (6), secondary band deflector chute (7), three grades of distribution belt conveyors (8), one-sided discharger (9); Second belt conveyer (6) is installed in the below that portable impeller is given trolley (5), and three grades of distribution belt conveyors (8) are installed in the below of second belt conveyer (6); Be connected by the secondary band deflector chute (7) that is installed in second belt conveyer (6) one ends between second belt conveyer (6) and the three grades of distribution belt conveyors (8); The one-sided discharger (9) that can make fuel drop on higher level's material blanking tube (12) is installed on three grades of distribution belt conveyors (8).
4. equipment according to claim 2 is characterized in that: the side at feed bin (4) is provided with the feed conveyer structure, and described feed conveyer structure comprises straw crusher (1), one-level belt conveyor (2), bilateral discharger (3); One end of one-level belt conveyor (2) is installed straw crusher (1), the other end bilateral discharger (3) is installed and be installed in feed bin (4) directly over.
5. equipment according to claim 2; It is characterized in that this equipment also comprises the clout loopback mechanism that can unspent fuel on three grades of distribution belt conveyors be transmitted back to one-level belt conveyor (2); This clout loopback mechanism is installed in three grades of distribution belt conveyors (8) below, higher level's material blanking tube (12) one sides.
6. equipment according to claim 5 is characterized in that, described clout loopback mechanism comprises loopback belt feeder (11), loopback band deflector chute (15), three grades of band deflector chutes (10); Loopback belt feeder (11) one ends are installed loopback band deflector chute (15), and are connected with one-level belt conveyor (2); Loopback belt feeder (11) other end is connected with the three grades of band deflector chutes (10) that are installed in three grades of distribution belt conveyors (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101146103A CN101713545B (en) | 2009-12-04 | 2009-12-04 | Fuel conveying method and equipment of boiler for burning crop straws |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101146103A CN101713545B (en) | 2009-12-04 | 2009-12-04 | Fuel conveying method and equipment of boiler for burning crop straws |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101713545A CN101713545A (en) | 2010-05-26 |
| CN101713545B true CN101713545B (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101146103A Active CN101713545B (en) | 2009-12-04 | 2009-12-04 | Fuel conveying method and equipment of boiler for burning crop straws |
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| CN (1) | CN101713545B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098175B (en) * | 2017-05-09 | 2018-12-11 | 武汉中海信能源科技发展有限公司 | A kind of vertical storehouse formula biomass fuel storage and transportation system |
| CN110657645A (en) * | 2019-06-18 | 2020-01-07 | 何如意 | Method for directly utilizing crop straw gasification combustion to bake grain |
| CN114216121B (en) * | 2021-12-16 | 2022-08-30 | 湖州织里长和热电有限公司 | Energy-saving efficient boiler variable-speed combustion system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3209885A1 (en) * | 1982-03-18 | 1983-09-29 | Robert 5378 Blankenheim Müller | Device for comminuting bales of straw |
| FR2686398A1 (en) * | 1992-01-21 | 1993-07-23 | Paul Michel | Continuous feed device for vegetable fuel boilers |
| WO2001025689A1 (en) * | 1999-09-23 | 2001-04-12 | Fortum Engineering Oy | Method for burning biofuel in a furnace using fossil fuel |
| CN200955754Y (en) * | 2006-09-26 | 2007-10-03 | 龙基电力有限公司 | Quantitive stalk feeding bunker |
| CN101092214A (en) * | 2007-07-17 | 2007-12-26 | 贝洪毅 | Conveyers for stalk fuel |
| CN101270879A (en) * | 2007-03-20 | 2008-09-24 | 无锡雪浪输送机械有限公司 | Conveying and material-smashing device of hard stalk stove |
| CN201296517Y (en) * | 2008-09-02 | 2009-08-26 | 梁支信 | Rotating plate type seal feeder |
| CN201322316Y (en) * | 2008-12-22 | 2009-10-07 | 倪静丰 | Feeding machine |
-
2009
- 2009-12-04 CN CN2009101146103A patent/CN101713545B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3209885A1 (en) * | 1982-03-18 | 1983-09-29 | Robert 5378 Blankenheim Müller | Device for comminuting bales of straw |
| FR2686398A1 (en) * | 1992-01-21 | 1993-07-23 | Paul Michel | Continuous feed device for vegetable fuel boilers |
| WO2001025689A1 (en) * | 1999-09-23 | 2001-04-12 | Fortum Engineering Oy | Method for burning biofuel in a furnace using fossil fuel |
| CN200955754Y (en) * | 2006-09-26 | 2007-10-03 | 龙基电力有限公司 | Quantitive stalk feeding bunker |
| CN101270879A (en) * | 2007-03-20 | 2008-09-24 | 无锡雪浪输送机械有限公司 | Conveying and material-smashing device of hard stalk stove |
| CN101092214A (en) * | 2007-07-17 | 2007-12-26 | 贝洪毅 | Conveyers for stalk fuel |
| CN201296517Y (en) * | 2008-09-02 | 2009-08-26 | 梁支信 | Rotating plate type seal feeder |
| CN201322316Y (en) * | 2008-12-22 | 2009-10-07 | 倪静丰 | Feeding machine |
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| CN101713545A (en) | 2010-05-26 |
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