CN201437287U - Forced feeder used in forming machine for biomass solid fuel - Google Patents
Forced feeder used in forming machine for biomass solid fuel Download PDFInfo
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- CN201437287U CN201437287U CN2009201537579U CN200920153757U CN201437287U CN 201437287 U CN201437287 U CN 201437287U CN 2009201537579 U CN2009201537579 U CN 2009201537579U CN 200920153757 U CN200920153757 U CN 200920153757U CN 201437287 U CN201437287 U CN 201437287U
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- solid fuel
- forced
- biomass solid
- feeder used
- molding machine
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Abstract
The utility model discloses a forced feeder used in a forming machine for biomass solid fuel, which belongs to the technical field of agricultural machinery. The forced feeder adopts the technical scheme that a forced feeding shaft (4) and a horizontal spiral convey shaft (3) are included, and is characterized in that the forced feeding shaft (4) is movably connected with the horizontal spiral convey shaft (3) through an inner connecting port (8); the arc-shaped surface (6) of the forced feeder is lower in the middle and higher on two sides, so as to prevent falling straws from piling at the ends of the shaft (4); and scrapping plates (5) distributed at the circumference with certain spaces in transverse direction are welded or cast on the arc-shaped surface (6), so as to efficiently prevent falling straws from winding around the shaft (4) and accelerate material falling. The forced feeder efficiently solves the problems of winding the piling of the biomass material in falling and conveying, thereby improving convey efficiency; the forced feeding shaft is replaceable, so as to suit various raw materials and be replaced after being abraded to lose efficacy; and the forced feeder provides technical security for the smooth feeding of the forming machine for biomass material solid fuel.
Description
Technical field
The utility model belongs to agricultural machinery technological field, is a kind of biomass material conveying device, specifically is to be applied to process Compulsory feeder used on the biomass solid fuel molding machines such as agricultural crop straw, forestry residue.
Background technology
China has the abundant agricultural straw resource and the forest reserves, and the crops annual production is annual about 600,000,000 tons according to statistics, amounts to 300,000,000 tons of standard coals approximately, about 1.5 hundred million tons of forestry residue.The biomass solid formed fuel technology is under uniform temperature and pressure effect, with what disperseed originally, there is not a living beings drying of definite shape and pulverizes to be pressed into to have definite shape, the new and high technology of the various shaped fuels that density is bigger, 6~8 times of volume-diminished, density is 1.0~1.4t/m3, energy resource density is equivalent to middle matter bituminous coal, firepower is lasting during use, the fire box temperature height, combustion characteristics obviously is improved, urban residents' cooking and heating fuel had both been can be used as, also can be used as the fuel in urban area heat supply and power plant, more and more get more and more people's extensive concerning in recent years.Promote the biomass solid formed fuel technology in suitable areas such as china natural resources conditions, promote the cleaning of biomass energy, the efficient utilization, allow vast town dweller use clean energy resource, help reducing fossil fuel consumption, improve the ecological environment.
Because agricultural crop straw and forestry residue components complexity, characteristic is different, as in Various Seasonal, the moisture content of Different Crop stalk, hardness, crush resistance etc. have very big difference, brought very big difficulty therefore for the raw material feeding of solid fuel molding machine, therefore in stalk solid extrusion modling process, how stalk feeds solid fuel molding machine by the auger conveyor steady and continuous is one of bottleneck technology of stalk solid molding fuel.
Present stalk helix transporting device has following several:
In " improvement of granular material conveying worm structure " (" mining and metallurgy " in December, 2007), " technological transformation of the conveying worm " articles such as (" phosphate fertilizer and multiple fertilizer " in Mays, 2008) and the patent No. are in the patent of CN02260632.7 (applying date 2002.10.09), the design and the improvement of conveying worm have been introduced, but mainly be to the conveyer sealing, the design of transmission aspect, and auger conveyor structurally still adopts full spiral, promptly above discharging opening, remain helical structure, do not solve the interruption of material at the auger conveyor end, pile up and blockage problem.
Summary of the invention
The objective of the invention is before biomass material extrusion modlings such as agricultural crop straw, forestry residue, solve winding and packing phenomenon in the material conveying process, guarantee that various raw material continous-stables initiatively feed, can improve feeding efficient, can be adapted to dissimilar materials simultaneously.For the charging of biomass material solid forming machines such as agricultural crop straw, forestry residue provides technical guarantee.
Comprise flat spin conveying axis and forced feed axle for reaching the technical scheme that this purpose takes, it is characterized in that, flat spin conveying axis and forced feed axle flexibly connect by inner joint, the surface of forced feed axle is an arcwall face, and the scraper plate that is circle distribution welds or is cast on the arcwall face.
During above-mentioned biomass solid formed fuel was Compulsory feeder used, the surface of forced feed axle was an arcwall face, and middle low two ends height, was the matrix cambered surface.Make the easier discharging opening that is advanced to of material, avoid material to be wrapped on the conveying axis thereby the rear end is high.
During above-mentioned biomass solid formed fuel was Compulsory feeder used, scraper plate was circle distribution on the cross section of arcwall face, and at regular intervals between two scraper plates in the axial direction, adopted different forced feed axles according to different materials, increased the adaptability of feeder.
During above-mentioned biomass solid formed fuel was Compulsory feeder used, scraper plate welded or is cast on the arcwall face, and edge direction is consistent with the rotation direction of forced feed axle, can increase the speed that material descends, and improved the efficient of feeder.
During above-mentioned biomass solid formed fuel was Compulsory feeder used, scraper plate was circle distribution on the cross section of arcwall face, according to the difference of biomass material kind, was divided into 3 groups, and adjacent two groups of blade angle are 120 °; Or 4 groups, the two adjacent groups blade angle is 90 °; Or 5 groups of scraper plates, the two adjacent groups blade angle is 72 °.Adopt 5 groups of scraper plates for the bigger material of water content, adopt 4 groups of scraper plates, can solve steady and continuous feeding problem like this for the less material of water content.
During above-mentioned biomass solid formed fuel was Compulsory feeder used, at regular intervals between two scraper plates in the axial direction, according to the difference of biomass material kind, spacing was 25mm; Or 50mm; Or 100mm.According to the shape of material, promptly material is pulverized back size difference, adopts the forced feed axle of different spacing scraper plate.
During above-mentioned biomass solid formed fuel was Compulsory feeder used, there was sharp cutting edge the both sides of scraper plate, can strengthen stirring capacity, accelerated charging rate, improved feeding efficient.
The Compulsory feeder used advantage that has of biomass solid formed fuel with above design feature is as follows: the forced feed axle can guarantee that the material continous-stable enters solid fuel molding machine swimmingly, arcwall face has solved the winding in the material transmission course and has piled up blocking problem endways, and scraper plate can improve the feeding ability and the speed of material, simultaneously by changing different forced feed axles, different scraper plates promptly is installed on axle, can adapt to variety classes, the material of different water cut rate amount and mechanical property, improved Compulsory feeder used adaptability, the forced feed axle is connected with the flat spin conveying axis by inner joint, can be convenient for changing behind the wear out failure, can improve the service life of whole feeder, save material, reduce manufacturing cost.Therefore the present invention can solve winding, accumulation and the cloggings of biomass material in feeding procedure such as agricultural crop straw, forestry residue, improved the adaptability of feeder, also improve material feeding efficient, for the smooth and easy feeding of the continous-stable of biomass solid fuel molding machine provides technical guarantee.
Description of drawings:
Fig. 1 is the Compulsory feeder used front view of biomass solid formed fuel;
Fig. 2 is a forced feed axle schematic diagram;
Fig. 3 is the forced feed axle schematic diagram of 3 groups of scraping blades (scraping blade axial spacing 100mm);
Fig. 4 is the forced feed axle schematic diagram of 3 groups of scraping blades (scraping blade axial spacing 50mm);
Fig. 5 is the forced feed axle schematic diagram of 3 groups of scraping blades (scraping blade axial spacing 25mm);
Fig. 6 is the forced feed axle schematic diagram of 4 groups of scraping blades (scraping blade axial spacing 50mm);
Fig. 7 is the forced feed axle schematic diagram of 5 groups of scraping blades (scraping blade axial spacing 50mm);
The specific embodiment:
Below in conjunction with accompanying drawing embodiments of the invention are described:
As shown in Figure 1 and Figure 2: 1 is motor, and 2 is charging aperture, and 3 is the flat spin conveying axis, and 4 are the forced feed axle, and 5 is scraper plate, and 6 is arcwall face, and 7 is discharging opening, and 8 is inner joint.
Forced feed axle 4 flexibly connects by inner joint 8 and auger conveyor 3, can adopt modes such as screw thread, grafting, key to connect, and can change forced feed axle 4 according to dissimilar raw materials, has improved the adaptability of biomass material.Simultaneously can be for convenience detach behind the wear out failure, change, reduced the design cost of whole conveying device.
The surface of forced feed axle 4 is an arcwall face 6, and its structure is middle low two ends height, is the matrix cambered surface.After making stalk through conveying axis 3 horizontal feed like this, easier process forced conveyance axle 4 is advanced to discharging opening 7.Forced feed axle 4 front ends (being interface 8 parts) height prevents the anti-problem of expecting; The rear end height has avoided material to be wrapped in the conveying the tip of the axis, has solved stalk and has piled up and blockage problem.
Between two scraper plates certain spacing is arranged in every group of scraper plate, according to the difference of material, spacing is respectively 25mm, 50mm, 100mm, as Fig. 3, Fig. 4, Fig. 5.Need biomass material is pulverized before solid forming, result of the test shows, present biomass material can be divided three classes substantially according to the material length after pulverizing, and the one, forestry residues such as spinney, branch; The 2nd, grey stalks such as cotton stalk, cornstalk; The 3rd, peanut shell, rice husk etc.Patent of the present invention is as follows in conjunction with marginal data: Fig. 3 is the forced feed axle of 3 groups of scraping blades and scraping blade axial spacing 100mm, after can be used in spinney, branch etc. and pulverizing, but the still long biomass material of length; Fig. 4 is the forced feed axle of 3 groups of scraping blades and scraping blade axial spacing 50mm, can be used in the biomass material that certain-length is still arranged after the pulverizing such as cotton stalk, cornstalk.Fig. 5 is the forced feed axle of 3 groups of scraping blades and scraping blade axial spacing 25mm, can be used in peanut shell, the less biomass material of rice husk equal length.Can be adapted to different types of material like this, can change the forced feed axle, improve the adaptability of feeder according to different materials.
Not only kind diversification of biomass material, and for same material, because the difference in harvest season, results area etc., water content is different, this has increased the mass transport difficulty, so patent of the present invention designed the scraper plate of many set types, can be divided into 3 groups, 4 groups, 5 groups scraper plates, be that the two adjacent groups blade angle is respectively 120 °, 90 °, 72 °, as Fig. 4,6,7.It is example that patent of the present invention is carried with grey stalks such as cotton stalk, cornstalks, in conjunction with Fig. 4, Fig. 6, Fig. 7 performance is described.Fig. 3 is the forced feed axle of 3 groups of scraping blades and scraping blade axial spacing 50mm, can be applied to biomass materials such as the stalk water content is lower, the cotton preferably stalk of free flowability, cornstalk; Fig. 6 is the forced feed axle of 4 groups of scraping blades and scraping blade axial spacing 50mm, can be applied to biomass materials such as water content is medium, free flowability is general cotton stalk, cornstalk; Fig. 7 is the forced feed axle of 5 groups of scraping blades and scraping blade axial spacing 50mm, can be applied to biomass materials such as the relatively poor cotton stalk of water content height, free flowability, cornstalk; Can solve the problem of material different moisture content like this, can adopt different forced conveyance axles, transfer efficiency further is provided, also improve the adaptability of feeder simultaneously according to the difference of purchase material moisture.
Therefore according to the material of different types of material, water content, patent of the present invention has designed 9 kinds of forced conveyance axles 4, promptly 3 groups, 4 groups, 5 groups scraper plates, and the two adjacent groups blade angle is respectively 120 °, 90 °, 72 °; And the axial spacing of baffle plate 5 is respectively 25mm, 50mm, 100mm.Obtain 9 kinds of forced feed axles, be respectively:
Forced feed axle 1: the two adjacent groups blade angle is respectively 120 °, the axial spacing 25mm of baffle plate 5;
Forced feed axle 1: the two adjacent groups blade angle is respectively 120 °, the axial spacing 50mm of baffle plate 5;
Forced feed axle 1: the two adjacent groups blade angle is respectively 120 °, the axial spacing 100mm of baffle plate 5;
Forced feed axle 1: the two adjacent groups blade angle is respectively 90 °, the axial spacing 25mm of baffle plate 5;
Forced feed axle 1: the two adjacent groups blade angle is respectively 90 °, the axial spacing 50mm of baffle plate 5;
Forced feed axle 1: the two adjacent groups blade angle is respectively 90 °, the axial spacing 100mm of baffle plate 5;
Forced feed axle 1: the two adjacent groups blade angle is respectively 72 °, the axial spacing 25mm of baffle plate 5;
Forced feed axle 1: the two adjacent groups blade angle is respectively 72 °, the axial spacing 50mm of baffle plate 5;
Forced feed axle 1: the two adjacent groups blade angle is respectively 72 °, the axial spacing 100mm of baffle plate 5;
In biomass material course of conveying such as agricultural crop straw, forestry residue, motor 1 drives screw conveyor shaft 3 by transmission system and rotates, material after crushed enters auger conveyor 3 by charging aperture 2, elder generation's horizontal feed, pass through forced feed axle 4 then, the forcibly changing throughput direction carries out vertical transport, enters discharging opening 7.Forced feed axle 4 is reasonable in design, has solved material winding, accumulation and blockage problem, has strengthened stirring capacity, has also improved rate of feeding, adopts simultaneously to flexibly connect, and changes the forced conveyance axle according to different material, and the adaptability of conveying device is provided.
It should be noted that at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (11)
1. one kind is used for the Compulsory feeder used of biomass solid fuel molding machine, comprise flat spin conveying axis (3) and forced feed axle (4), it is characterized in that, flat spin conveying axis (3) and forced feed axle (4) flexibly connect by inner joint (8), the surface of forced feed axle (4) is arcwall face (6), and the scraper plate (5) that is circle distribution welds or is cast on the arcwall face (6).
2. Compulsory feeder used for biomass solid fuel molding machine according to claim 1, the surface that it is characterized in that forced feed axle (4) are arcwall face (6), and middle low two ends height, are the matrix cambered surface.
3. Compulsory feeder used for biomass solid fuel molding machine according to claim 1 is characterized in that scraper plate (5) is circle distribution on the cross section of arcwall face (6), and at regular intervals between two scraper plates in the axial direction.
4. according to claim 1 or 3 described Compulsory feeder used for biomass solid fuel molding machine, it is characterized in that scraper plate (5) welds or is cast on the arcwall face (6), and edge direction is consistent with the rotation direction of forced feed axle (4).
5. according to claim 1 or 3 described Compulsory feeder used for biomass solid fuel molding machine, it is characterized in that scraper plate (5) is circle distribution on the cross section of arcwall face (6), 3 groups of scraper plates are arranged, the two adjacent groups blade angle is 120 °.
6. according to claim 1 or 3 described Compulsory feeder used for biomass solid fuel molding machine, it is characterized in that scraper plate (5) is circle distribution on the cross section of arcwall face (6), 4 groups of scraper plates are arranged, the two adjacent groups blade angle is 90 °.
7. according to claim 1 or 3 described Compulsory feeder used for biomass solid fuel molding machine, it is characterized in that scraper plate (5) is circle distribution on the cross section of arcwall face (6), 5 groups of scraper plates are arranged, the two adjacent groups blade angle is 72 °.
8. according to claim 1 or 3 described Compulsory feeder used for biomass solid fuel molding machine, it is characterized in that at regular intervalsly between two scraper plates (5) in the axial direction, spacing is 25mm.
9. according to claim 1 or 3 described Compulsory feeder used for biomass solid fuel molding machine, it is characterized in that at regular intervalsly between two scraper plates (5) in the axial direction, spacing is 50mm.
10. according to claim 1 or 3 described Compulsory feeder used for biomass solid fuel molding machine, it is characterized in that at regular intervalsly between two scraper plates (5) in the axial direction, spacing is 100mm.
11. Compulsory feeder used according to claim 1 or 3 described biomass materials, it is characterized in that there is sharp cutting edge the both sides of scraper plate (5).
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CN2009201537579U CN201437287U (en) | 2009-05-11 | 2009-05-11 | Forced feeder used in forming machine for biomass solid fuel |
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CN2009201537579U CN201437287U (en) | 2009-05-11 | 2009-05-11 | Forced feeder used in forming machine for biomass solid fuel |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105600299A (en) * | 2016-03-15 | 2016-05-25 | 长沙碧野生态农业科技有限公司 | Scraper-blade-type fluffy-material conveying machine |
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2009
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105600299A (en) * | 2016-03-15 | 2016-05-25 | 长沙碧野生态农业科技有限公司 | Scraper-blade-type fluffy-material conveying machine |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100414 Termination date: 20110511 |