CN201599816U - Fuel conveying device of boiler burning crop straws - Google Patents
Fuel conveying device of boiler burning crop straws Download PDFInfo
- Publication number
- CN201599816U CN201599816U CN2009201649199U CN200920164919U CN201599816U CN 201599816 U CN201599816 U CN 201599816U CN 2009201649199 U CN2009201649199 U CN 2009201649199U CN 200920164919 U CN200920164919 U CN 200920164919U CN 201599816 U CN201599816 U CN 201599816U
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- belt
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- loopback
- blanking tube
- trolley
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Abstract
A fuel conveying device of a boiler burning crop straws reduces operation cost, realizes even and stable charging and decreases equipment damage by changing the discharging mode of a stock bin and the feeding mode of the boiler. The device mainly comprises the stock bin 4, a movable impeller feeding trolley 5, an upper-stage blanking pipe 12, a rotary-drum feeder 13 and a lower stage blanking pipe 14. Crushed pretreated crop straw fragment materials with sizes of 5-25mm or larger sizes are conveyed into the stock bin 4 and fed by the movable impeller feeding trolley at the bottom of the stock bin 4; the straw fragment materials out of the movable impeller feeding trolley are blanked into the upper-stage blanking pipe 12; and then crop straw fuel is conveyed into the boiler through the lower stage blanking pipe 14 of the rotary-drum feeder 13.
Description
Technical field
The utility model relates to a kind of fuel delivery means of burning crop tangerine stalk boiler, belongs to the equipment 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 energy with this, has remarkable economical, society and environmental benefit.
Agricultural crop straw burns in the commercial Application of this technology, and 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 both at home and abroad: a kind of method is to utilize conventional coal handling system, the straw granular fuel of making particle after the fragmentation is dropped into boiler combustion by conveyer belt, this preprocess method is because the granule formation technology flow process is complicated, the processing cost height; 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 class charging gear is to the dimensional requirement strictness of fuel, only at narrow-size distribution, single scale, small particle diameter granular material, even adopt such material, problem such as occur often also in actual motion that feed bin " is taken material " and " knot arch " 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 enter 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 purpose of this utility model is the fuel processing cost height at burning crop tangerine stalk boiler, carries feed not smooth, unstable, and the fragile grade of equipment is difficult, and a kind of fuel delivery means of burning crop tangerine stalk boiler is provided.
The technical scheme of the fuel delivery means of the utility model burning crop tangerine stalk boiler is: utilize impeller to change the discharge method of feed bin and the feed-type of boiler for trolley and drum-type batcher, prevent material skewness even stop up the phenomenon of burner inlet when entering boiler, reduction realizes the minimizing of processing cost to the requirement of straw fragmentation, give trolley and drum-type batcher rotating speed by regulating and control portable impeller, realize even, stable feeding in raw material, reduce device damage.
Fuel delivery means transmission device, conveyer belt and the material bin of burning crop tangerine stalk boiler of the present utility model, its capital equipment comprise that also feed bin, portable impeller are to 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: fuel delivery means of the present utility model has following characteristic and advantage:
1, reduction is to the processing cost of agricultural crop straw.The utility model need not be made 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, fragmentation requires low, and cost is low.
2, stable and reliable operation, feed is even.Feed bin of the present utility model bottom adopts portable impeller to give the trolley cloth, and straw fragment in the feed bin is played certain 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 not damage device.The utility model is that agricultural crop straw is broken into the fragment that size is 5～25mm, rather than is chopped into strip, and utilizes portable impeller to carry out cloth to trolley and can play loosening effect to the storehouse material, does not also use and suppresses feed, so can not damage device.
4, course of conveying can not cause material waste and environmental pollution.Behind three grades of distribution belt conveyors of the present utility model the loopback belt feeder is arranged, unspent fuel on three grades of distribution belt conveyors can 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 utility model.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, one-sided discharger 9, three grades of band deflector chutes 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 4 of the present utility model, portable impeller are given trolley 5, second belt conveyer 6 scheme of installations.
The specific embodiment:
The technical scheme of the fuel delivery means of the utility model burning crop tangerine stalk boiler is 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 delivery means of the present utility model 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 by 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 be delivered into boiler again.
Can regulate and control portable impeller and control amount and 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 by 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 by secondary band deflector chute 7, straw fragment on three grades of distribution belt conveyors 8 blows into higher level's material blanking tube 12 by 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.
Now 1 most preferred embodiment of the present utility model is described in conjunction with the accompanying drawings:
As shown in Figure 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, through the many groups bilateral discharger 3 that is installed on the one-level belt conveyor 2 the straw fragment is scraped feeding warehouse 4, the straw fragment that is stored in feed bin 4 is evenly distributed to trolley 5 by 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 by secondary band deflector chute 7, straw fragment on three grades of distribution belt conveyors 8 blows into higher level's material blanking tube 12 by many groups of one-sided dischargers 9 that are installed on three grades of distribution belt conveyors 8 with the straw fragment, 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.
As shown in Figure 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, by wheel rotation the straw fragment of feed bin 4 is scraped, directly fall on the second belt conveyer 6.
Claims (5)
1. the fuel delivery means of burning crop tangerine stalk boiler, comprise transmission device, conveyer belt, material bin, it is characterized in that: this device 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; Higher level's material blanking tube (12) is installed in portable impeller and gives trolley (5) below, and drum-type batcher (13) is installed between higher level's material blanking tube (12) and the subordinate's material blanking tube (14).
2. the fuel delivery means of burning crop tangerine stalk boiler according to claim 1, 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).
3. the fuel delivery means of burning crop tangerine stalk boiler according to claim 1, it is characterized in that: the side at feed bin (4) is provided with the feed conveyer structure, 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.
4. the fuel delivery means of burning crop tangerine stalk boiler according to claim 1, it is characterized in that this device also comprises the clout loopback mechanism that unspent fuel on three grades of distribution belt conveyors can be transmitted back to one-level belt conveyor (2), be installed in three grades of distribution belt conveyors (8) below, higher level's material blanking tube (12) one sides.
5. the fuel delivery means of burning crop tangerine stalk boiler according to claim 4 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 |
|---|---|---|---|
| CN2009201649199U CN201599816U (en) | 2009-12-04 | 2009-12-04 | Fuel conveying device of boiler burning crop straws |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201649199U CN201599816U (en) | 2009-12-04 | 2009-12-04 | Fuel conveying device of boiler burning crop straws |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201599816U true CN201599816U (en) | 2010-10-06 |
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ID=42810872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201649199U Expired - Lifetime CN201599816U (en) | 2009-12-04 | 2009-12-04 | Fuel conveying device of boiler burning crop straws |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201599816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216121A (en) * | 2021-12-16 | 2022-03-22 | 湖州织里长和热电有限公司 | Energy-saving efficient boiler variable-speed combustion system |
-
2009
- 2009-12-04 CN CN2009201649199U patent/CN201599816U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216121A (en) * | 2021-12-16 | 2022-03-22 | 湖州织里长和热电有限公司 | Energy-saving efficient boiler variable-speed combustion system |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101006 |
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| CX01 | Expiry of patent term |