CN210187733U - Multistage sieving mechanism of biomass fuel - Google Patents
Multistage sieving mechanism of biomass fuel Download PDFInfo
- Publication number
- CN210187733U CN210187733U CN201920940442.2U CN201920940442U CN210187733U CN 210187733 U CN210187733 U CN 210187733U CN 201920940442 U CN201920940442 U CN 201920940442U CN 210187733 U CN210187733 U CN 210187733U
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- Prior art keywords
- sieve
- screening
- barrel
- rotating shaft
- sieve barrel
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- 239000002028 Biomass Substances 0.000 title claims abstract description 46
- 239000000446 fuel Substances 0.000 title claims abstract description 20
- 238000007873 sieving Methods 0.000 title claims description 8
- 238000012216 screening Methods 0.000 claims abstract description 77
- 238000001035 drying Methods 0.000 claims abstract description 27
- 239000000428 dust Substances 0.000 claims abstract description 25
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 24
- 238000001914 filtration Methods 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 210000002414 leg Anatomy 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 238000004581 coalescence Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000609240 Ambelania acida Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- -1 sawdust Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Processing Of Solid Wastes (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a biomass fuel multistage screening device, which belongs to the technical field of biomass fuel production and comprises a vibration screening machine, a screening barrel, a screening assembly, a scattering assembly and a drying assembly, wherein the screening barrel is fixedly arranged on the vibration screening machine; the scattering assembly comprises a rotating shaft horizontally inserted into the sieve barrel, a plurality of stirring rods fixed on the rotating shaft and a driving motor for driving the rotating shaft, the drying assembly comprises a plurality of heaters which are fixed on two inner side walls of the sieve barrel and positioned below the rotating shaft, and a drying area is formed between the heaters; an air outlet positioned below the drying area is arranged on one outer side wall of the sieve barrel, an air inlet corresponding to the air outlet is arranged on the other outer side wall of the sieve barrel, an air sieve area is formed between the air outlet and the air inlet, and the screening assembly comprises a fan, a conveying pipe and a dust collection box which are fixed on the air outlet; can break up the stoving to biomass raw materials to combine wind sieve and riddle mode, make the multipolarity of screening and screening efficiency and quality better.
Description
Technical Field
The utility model relates to a biomass fuel produces technical field, more specifically relates to a biomass fuel multi-stage screening device.
Background
The biomass fuel is a novel clean fuel which is formed (such as blocks, particles and the like) by using biomass materials as fuel and agricultural and forestry wastes (such as straws, sawdust, bagasse, rice chaff and the like) as raw materials through processes of crushing, mixing, extruding, drying and the like and can be directly combusted; at present, biomass raw materials after being smashed generally adopt a vibration mode to screen, and the biomass raw materials of screening are because of having the dryness difference, to the great biomass raw materials of humidity, because of having the adhesion, often need screen the longer time and just can guarantee the screening effect, and the single vibration screening machine that present vibration screening mode adopted mostly screens, and its screening effect is not very ideal.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide a multistage screening device for biomass fuels, a screen barrel is added at the top of a vibration screening machine, an air inlet and an air outlet are arranged on the screen barrel, a screening air flow is formed by matching with a fan, a first-stage air screen area is formed between the air inlet and the air outlet, impurities such as dust and the like carried in a biomass raw material after being crushed can be screened out through the air screen area, the biomass after being subjected to the air screen enters the vibration screening machine again for vibration screening, multistage screening is formed, and screening quality is improved; the rotating shaft with the stirring rod is also arranged in the sieve barrel, so that biomass materials which are high in humidity and easy to agglomerate or coalesce are scattered, and subsequent screening is facilitated; in a similar way, the biomass raw material after being scattered and treated can be dried by arranging a plurality of heaters, secondary coalescence is avoided, and the screening efficiency and the screening quality are further improved.
To achieve the purpose, the utility model adopts the following technical proposal: a biomass fuel multistage screening device comprises a vibration screening machine, a screening barrel, a screening assembly, a scattering assembly and a drying assembly, wherein the screening barrel is fixedly arranged on the vibration screening machine;
the bottom of the sieve barrel is provided with a discharge hole communicated with a material sieving area at the top of the vibrating sieving machine, the top of the sieve barrel is provided with a feed inlet communicated with the inside of the sieve barrel, the scattering component comprises a rotating shaft horizontally inserted into the sieve barrel through one outer side wall of the sieve barrel, a plurality of stirring rods fixed on a shaft section of the rotating shaft and positioned right below the feed inlet, and a driving motor fixed on one outer side wall of the sieve barrel and used for driving the rotating shaft to rotate, the drying component comprises a plurality of heaters fixed on two inner side walls of the sieve barrel and positioned below the rotating shaft, and a drying area is formed between the heaters;
be equipped with on a sieve bucket lateral wall and be located the air outlet of stoving regional below, be equipped with on another lateral wall of sieve bucket with the air intake that the air outlet corresponds, the air outlet with form the wind sieve region between the air intake, the screening subassembly including be fixed in on a sieve bucket lateral wall and with fan, one end that the air outlet connection switched on with the fan is aired exhaust the end and is connected the conveyer pipe that switches on and with the dust collection box that the conveyer pipe other end connection switched on.
Optionally, a plurality of material guide plates which are obliquely arranged along the feeding port towards the discharging port are fixed in the drying area, the material guide plates are distributed on two inner side walls of the sieve barrel in a staggered manner, a circuitous and bent material guide channel is formed between the material guide plates, and the material guide plates on the same inner side wall of the sieve barrel are distributed with the heater in a staggered manner.
Optionally, a dust removing filter cloth is arranged on the other outer side wall of the sieve barrel and fixed on the air inlet, and the other end of the conveying pipe is connected and communicated with the dust collecting box through a dust filtering pipe.
Optionally, a rubber buffer sleeve is sleeved on the stirring rod.
Optionally, the heater is an electrical heating rod.
Optionally, a plurality of supporting legs are fixed to the lower end of the outer side wall of the sieve barrel, and the bottom ends of the supporting legs are fixedly connected with the top of the frame of the vibration screening machine.
The utility model has the advantages that: the utility model discloses an increase the sieve bucket at the top of vibrations sieve separator to set up air intake and air outlet on the sieve bucket, cooperate the fan to form the air current of screening, make to form the wind sieve region of first order between air intake and the air outlet, can screen out the impurity such as dust that carries after the breakage in the living beings raw materials through the wind sieve region, the living beings after the wind sieve enter vibrations sieve separator again and carry out the vibrations screening, form multistage screening, improve screening quality; the rotating shaft with the stirring rod is also arranged in the sieve barrel, so that biomass materials which are high in humidity and easy to agglomerate or coalesce are scattered, and subsequent screening is facilitated; in a similar way, the biomass raw material after being scattered and treated can be dried by arranging a plurality of heaters, secondary coalescence is avoided, and the screening efficiency and the screening quality are further improved.
Drawings
Fig. 1 is a schematic structural view of a multistage biomass fuel screening device provided by an embodiment of the present invention.
Fig. 2 is a schematic view of a sieve barrel structure of a multistage biomass fuel screening device provided by the embodiment of the present invention.
In the figure: 1. vibrating the screening machine; 11. a frame; 2. a screen barrel; 21. a feed inlet; 22. a discharge port; 23. an air inlet; 231. dust removal filter cloth; 24. an air outlet; 25. supporting legs; 31. a rotating shaft; 32. a stirring rod; 33. a drive motor; 34. a motor bracket; 41. a heater; 42. a material guide plate; 51. a fan; 52. a delivery pipe; 53. a dust collection box; 54. and a dust filtering pipe.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 and 2, a multistage screening device for biomass fuels comprises a vibrating screening machine 1, a screen barrel 2 with a fixed frame arranged on the vibrating screening machine 1, a screening component, a scattering component and a drying component; particularly, vibrations screening machine 1 can directly select for use the vibrations screening machine that is often used for the biomass raw materials among the prior art, for example HYSF straight line shale shaker series, specifically do not do the injecing, in this embodiment, the lateral wall lower extreme of sieve bucket 2 is fixed with a plurality of supporting legss 25, the bottom of supporting legss 25 and the 11 top fixed connection of frame of vibrations screening machine 1, supporting legss 25 can be fixed with vibrations screening machine 1 through welded mode, perhaps fixes through fasteners such as bolt, conveniently dismantles the maintenance.
As shown in fig. 1 and 2, a discharge port 22 communicating with a material sieving area at the top of the vibratory screening machine 1 is arranged at the bottom of the sieve barrel 2, a feed port 21 communicating with the inside of the sieve barrel 2 is arranged at the top of the sieve barrel 2, the scattering assembly comprises a rotating shaft 31 horizontally inserted into the sieve barrel 2 through an outer side wall of the sieve barrel 2, a plurality of stirring rods 32 fixed on a shaft section of the rotating shaft 31 and positioned right below the feed port 21, and a driving motor 33 fixed on an outer side wall of the sieve barrel 2 and used for driving the rotating shaft 31 to rotate, the drying assembly comprises a plurality of heaters 41 fixed on two inner side walls of the sieve barrel 2 and positioned below the rotating shaft 31, and a drying area; specifically, the bottom discharge port 22 of the sieve barrel 2 is directly communicated with the feed end of the vibratory screening machine 1, the sieve barrel 2 in this embodiment may be formed by splicing aluminum alloy plates, wherein the top end portion of the sieve barrel 2 may be designed to be funnel-shaped, which facilitates the input of biomass raw materials, and the bottom of the sieve barrel 2 may be designed to be inverted cone-shaped, which facilitates the discharge of the biomass raw materials; the driving motor 33 can be fixed on the outer side wall of the sieve barrel 2 through the corresponding motor bracket 34, and the rotating shaft 31 is driven to rotate through the driving motor 33, so that the falling biomass raw materials are scattered by the stirring rod 32 on the rotating shaft 31, and part of the coalesced biomass raw materials can be scattered, thereby improving the subsequent vibration screening efficiency and reducing the screening time; after being scattered by the stirring rod 32, the biomass raw materials are dried by a drying area with a plurality of heaters 41, so that the secondary coalescence is avoided, the biomass raw materials can be dried, and the subsequent drying process time is saved; the heater 41 in this embodiment may be an electric heating rod.
As shown in fig. 1 and 2, an air outlet 24 located below the drying area is disposed on an outer side wall of the screen barrel 2, an air inlet 23 corresponding to the air outlet 24 is disposed on the other outer side wall of the screen barrel 2, an air screen area is formed between the air outlet 24 and the air inlet 23, the screening assembly includes a fan 51 fixed on an outer side wall of the screen barrel 2 and connected to the air outlet 24, a conveying pipe 52 having one end connected to an air exhaust end of the fan 51 and connected to the air exhaust end, and a dust collection box 53 connected to the other end of the conveying pipe 52 and connected to; specifically, the fan 51 may be a commercially available axial fan, and the air flow generated by the fan 51 takes away impurities such as dust and powder carried on the passing biomass raw material, thereby playing a role in first-stage filtering and screening of the biomass raw material.
The utility model discloses an increase sieve bucket 2 at the top of vibrations screening machine 1 to set up air intake 23 and air outlet 24 on sieve bucket 2, cooperate fan 51 to form the air current of screening, make to form the wind sieve region of first order between air intake 23 and the air outlet 24, can screen through the wind sieve region and remove impurity such as dust that the living beings carried after the breakage in the raw materials of living beings, living beings after the wind sieve enter vibrations screening machine 1 again and carry out the vibrations screening, form multistage screening, improve screening quality; the rotating shaft 31 with the stirring rod 32 is also arranged in the sieve barrel 2, so that biomass materials which are high in humidity and easy to agglomerate or coalesce are scattered, and subsequent screening is facilitated; in a similar way, through setting up a plurality of heaters 41 and can carry out drying process to the biomass raw materials after handling of breaing up, avoid the secondary coalescence, further promote the quality of screening efficiency and screening.
Optionally, as shown in fig. 1 and fig. 2, a plurality of material guiding plates 42 obliquely arranged along the direction from the feeding port 21 to the discharging port 22 are fixed in the drying region, the material guiding plates 42 are distributed on two inner side walls of the sieve barrel 2 in a staggered manner, a circuitous and bent material guiding channel is formed between the material guiding plates 42, and the material guiding plates 42 on the same inner side wall of the sieve barrel 2 are distributed in a staggered manner with the heaters 41; particularly, a plurality of guide plates 42 are arranged to form a roundabout bent guide channel, so that the speed of biomass raw materials passing through a drying area can be reduced, the time of the biomass raw materials passing through the drying area can be prolonged, the biomass raw materials passing through the drying area can be subjected to heat drying treatment of the electric heater 41 more fully, and the drying efficiency is improved.
Optionally, as shown in fig. 1 and fig. 2, a dust removing filter cloth 231 is fixedly covered on the other outer side wall of the sieve barrel 2 at the position of the air inlet 23, and the other end of the conveying pipe 52 is connected and communicated with the dust collecting box 53 through a dust filtering pipe 54; specifically, the dust-removing filter cloth 231 is covered on the air inlet 23 and can filter the introduced air, so that the introduced air is prevented from causing secondary pollution to the biomass raw material, and similarly, the dust filtering pipe 54 is arranged between the conveying pipe 52 and the dust collection box 53 to be connected and conducted, the material of the dust filtering pipe 54 can be the same as the dust-removing filter cloth 231, so that the air exhausted through the conveying pipe 52 is filtered, the pollution to the external environment is avoided, and the impurities such as the filtered dust and the like fall into the dust collection box 53.
Optionally, a rubber buffer sleeve (not shown) is sleeved on the stirring rod 32; particularly, the rubber buffer sleeve can play a certain buffering role in the contact collision between the stirring rod 32 and the biomass particles, so that the integrity of the biomass particles is well protected.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (6)
1. The utility model provides a multistage sieving mechanism of biomass fuel, includes vibrations sieve separator (1), its characterized in that:
the screening machine also comprises a screening barrel (2), a screening component, a scattering component and a drying component which are fixedly arranged on the vibration screening machine (1);
the bottom of the sieve barrel (2) is provided with a discharge hole (22) communicated with a material sieving area at the top of the vibration sieving machine (1), the top of the sieve barrel (2) is provided with a feed inlet (21) communicated with the sieve barrel (2), the scattering assembly comprises a rotating shaft (31) horizontally inserted into the sieve barrel (2) through one outer side wall of the sieve barrel (2), a plurality of stirring rods (32) fixed on a shaft section of the rotating shaft (31) and positioned right below the feed inlet (21), and a driving motor (33) fixed on one outer side wall of the sieve barrel (2) and used for driving the rotating shaft (31) to rotate, the drying assembly comprises a plurality of heaters (41) fixed on two inner side walls of the sieve barrel (2) and positioned below the rotating shaft (31), and a drying area is formed between the heaters (41);
be equipped with on sieve bucket (2) a lateral wall and be located air outlet (24) of the regional below of drying, be equipped with on another lateral wall of sieve bucket (2) with air intake (23) that air outlet (24) correspond, air outlet (24) with it is regional to form the wind sieve between air intake (23), the screening subassembly is including being fixed in on sieve bucket (2) a lateral wall and with fan (51), one end that switch on are connected to air outlet (24) with fan (51) air exhaust end connect conveyer pipe (52) that switch on and with dust collection box (53) that the conveyer pipe (52) other end is connected and is switched on.
2. The biomass fuel multistage screening device according to claim 1, characterized in that:
a plurality of material guide plates (42) which are obliquely arranged along the direction from the feeding hole (21) to the discharging hole (22) are fixed in the drying area, the material guide plates (42) are distributed on two inner side walls of the sieve barrel (2) in a staggered mode, a circuitous and bent material guide channel is formed between the material guide plates (42), and the material guide plates (42) and the heaters (41) which are located on the same inner side wall of the sieve barrel (2) are distributed in a staggered mode.
3. The biomass fuel multistage screening device according to claim 1, characterized in that:
and a dust removal filter cloth (231) is fixedly covered at the position of the air inlet (23) on the other outer side wall of the sieve barrel (2), and the other end of the conveying pipe (52) is connected and communicated with the dust collection box (53) through a dust filtration pipe (54).
4. The biomass fuel multistage screening device according to claim 1, characterized in that:
the stirring rod (32) is sleeved with a rubber buffer sleeve.
5. The biomass fuel multistage screening device according to claim 1, characterized in that:
the heater (41) is an electric heating rod.
6. The biomass fuel multistage screening device according to claim 1, characterized in that:
a plurality of supporting legs (25) are fixed at the lower end of the outer side wall of the screen barrel (2), and the bottom ends of the supporting legs (25) are fixedly connected with the top of the frame (11) of the vibration screening machine (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920940442.2U CN210187733U (en) | 2019-06-20 | 2019-06-20 | Multistage sieving mechanism of biomass fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920940442.2U CN210187733U (en) | 2019-06-20 | 2019-06-20 | Multistage sieving mechanism of biomass fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210187733U true CN210187733U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920940442.2U Expired - Fee Related CN210187733U (en) | 2019-06-20 | 2019-06-20 | Multistage sieving mechanism of biomass fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210187733U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680671A (en) * | 2021-07-06 | 2021-11-23 | 浙江交投丽新矿业有限公司 | Multistage winnowing screening fine aggregate finishing equipment |
| CN114472165A (en) * | 2021-12-14 | 2022-05-13 | 广西柳工农业机械股份有限公司 | Segmented sugarcane fan impurity removal method |
-
2019
- 2019-06-20 CN CN201920940442.2U patent/CN210187733U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680671A (en) * | 2021-07-06 | 2021-11-23 | 浙江交投丽新矿业有限公司 | Multistage winnowing screening fine aggregate finishing equipment |
| CN114472165A (en) * | 2021-12-14 | 2022-05-13 | 广西柳工农业机械股份有限公司 | Segmented sugarcane fan impurity removal method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200327 |