CN113102232A

CN113102232A - Hierarchical screening installation of living beings granule

Info

Publication number: CN113102232A
Application number: CN202110427125.2A
Authority: CN
Inventors: 方旭
Original assignee: Hangzhou Tongwen Environmental Protection Technology Co ltd
Current assignee: Jiangsu Dawning Pharmaceutical Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-07-13
Anticipated expiration: 2041-04-21
Also published as: CN113102232B

Abstract

The invention belongs to the field of biomass particles, and relates to a biomass particle grading and screening device which comprises a shell, wherein a feed inlet is formed in the upper side wall of the shell, a left baffle door and a right baffle door are symmetrically and rotatably arranged on the upper side wall of the shell, the left baffle door and the right baffle door are turned over to close the feed inlet, an inclined guide rod is fixedly arranged on the left side wall of the shell, and a powder filter cavity is formed in the upper side of the shell. The biomass particle screening device is suitable for use after biomass particles are prepared, a large amount of prepared biomass particles are poured into the device body, impurities and powder in the biomass particles are screened and removed, subsequent combustion and other uses are prevented from being influenced, the biomass particles are subjected to centrifugal separation by means of different qualities of the biomass particles, the biomass particles are screened into different grades, subsequent reprocessing is facilitated, the classification time is shortened, the biomass particle using efficiency is improved, the using benefit is improved, and the biomass particles are fully utilized.

Description

Hierarchical screening installation of living beings granule

Technical Field

The invention belongs to the field of biomass particles, and particularly relates to a grading and screening device for biomass particles.

Background

As is known, biomass particles are subjected to cold compact molding processing on crushed biomass straws, forestry wastes and other raw materials by utilizing a compression roller and a ring die at normal temperature, can be used as feed for livestock and poultry in large-scale farms, are convenient to store and transport, can be used as fuel for gasification power generation and thermal power generation, but can generate a large amount of waste powder due to material properties in the process of manufacturing the biomass particles, not only easily cause raised dust, but also have extremely low utilization efficiency, and have different particle sizes in the process of manufacturing the biomass particles, so that different grades are formed, the biomass particles need to be classified and screened according to different application ranges, and are smaller, large in screening difficulty and extremely low in screening efficiency.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a biomass particle grading and screening device which can screen and remove waste powder in the biomass particle manufacturing process, avoid influencing particle purity, and simultaneously carry out grading treatment on biomass particles according to different qualities by utilizing centrifugal force.

The purpose of the invention can be realized by the following technical scheme: a grading and screening device for biomass particles comprises a shell, wherein a feed inlet is formed in the upper side wall of the shell, a left baffle door and a right baffle door are symmetrically and rotatably arranged on the upper side wall of the shell, the left baffle door and the right baffle door are turned over to close the feed inlet, an inclined guide rod is fixedly arranged on the left side wall of the shell, a powder filter cavity is arranged at the upper side of the shell, a vibration motor is fixedly arranged on the lower side wall of the powder filter cavity, a biomass particle powder collecting device is arranged on the vibration motor and used for collecting crushed powder in the biomass particles, a particle screening cavity is formed in the middle section of the shell, a grading device is arranged in the particle screening cavity and used for screening the biomass particles with different weights, a particle collecting chamber is fixedly arranged on the lower side wall of the shell and divided into three small chambers by a partition plate, the particle collection chamber is used for collecting biomass particles.

Preferably, living beings granule powder collection device is including setting up vibrating shaft on the vibrating motor output, the fixed carousel that is equipped with in vibrating shaft upper end, the fixed powder that is equipped with in lateral wall outer lane on the carousel keeps off the dish, the fixed round spiral kicking block that is equipped with of spiral on the lateral wall on the carousel, be equipped with irregularly distributed's kickball on the spiral kicking block, the rotation that the casing upside left side is low right side is equipped with two fixed slots, it is equipped with the filter plate to slide from top to bottom in two fixed slots, the filter plate with be connected with vibrating spring between the lateral wall of both sides about the fixed slot, the fixed oblique pin that slides that is equipped with on the filter plate, left slip oblique pin in lateral wall department is equipped with an opening on the filter plate, the kickball is used for upwards jacking up the filter plate makes the filter plate surface.

Preferably, a fixed supporting disk is fixedly arranged on the middle section of the shell, the fixed supporting disk is rotationally connected with the vibrating shaft, two supporting rod grooves are fixedly arranged on the fixed supporting disk in a bilateral symmetry manner, two sliding supporting rods are arranged on the left supporting rod groove and the right supporting rod groove in a sliding manner, a supporting rod spring is connected between the lower side wall of each sliding supporting rod and the lower side wall of each supporting rod groove, each sliding supporting rod is used for supporting the filter plate, a negative pressure port is arranged on the left side of the fixed supporting disk, a fixed cavity is fixedly arranged on the lower rear side wall of the powder filtering cavity, a powder collecting chamber is fixedly arranged on the lower left side wall of the fixed cavity, the fixed cavity is rotationally connected with the vibrating shaft, the vibrating shaft penetrates through the fixed cavity upwards, a pump driving wheel is fixedly arranged on the part of the vibrating shaft located in the fixed cavity, and a pump is fixedly arranged on, the input wheel of the pump is the pump transmission wheel, a hose is connected between the negative pressure suction port of the pump and the negative pressure port, and a hose is connected between the delivery port of the pump and the powder collecting chamber.

Preferably, the grading device comprises a grading motor fixed on the lower side wall of the particle screening cavity, a grading shaft is arranged at the output end of the grading motor, a trapezoidal oblique groove is fixedly arranged on the rear side wall of the particle screening cavity, the oblique groove is rotatably connected with the grading shaft, and the grading shaft penetrates through the oblique groove upwards.

Preferably, the slant groove is gone up the fixed grain pipe that is equipped with on the left side wall, spout the grain pipe with the opening part intercommunication of left slip down pin has the hose, hierarchical axle stretches into slant groove part divides the fixed hierarchical filter disc that is equipped with, hierarchical filter disc upside is close to hierarchical axle center department is fixed and is equipped with round annular baffle, hierarchical filter disc goes up the lateral wall and is close to hierarchical axle center direction is equipped with the three rings of classification dish from low to high in proper order to keeping away from the direction, three rings of classification dish is used for sorting three kinds of different quality grades's living beings granule.

Preferably, every grading dish is fixed on the lateral wall down and is equipped with the ring channel, the ring slides in the ring channel and is equipped with the annular slider, the fixed granule baffle that is equipped with of annular slider lower extreme, granule baffle downside with slant groove lower lateral wall fixed connection, two adjacent granule baffle downside with the intercommunication has the granule transmission pipe between the three cell that the room corresponds is collected to the granule.

Preferably, an electric control shutter is arranged on the front side of each grading disc in a rotating mode, the electric control shutter keeps a horizontal state when the grading motor is started to block the grading filter disc, and when the grading motor stops starting, the electric control shutter overturns downwards to enable biomass particles on the electric control shutter to fall into the particle conveying pipe between the two particle baffles to be collected.

The staff pours the living beings granule downwards through the feed inlet, the living beings granule passes through oblique guide bar direction and falls in the filter plate top, close the shutter, start vibrating motor, it is rotatory to drive the vibration axle, make the carousel rotate, it is rotatory to make the spiral kicking block, the kicking ball is with the filter plate jack-up, make living beings granule on the filter plate by the jack-up, the filter plate vibrates under the effect of vibrating spring, the filter plate slides from top to bottom at the fixed slot under the effect of kicking ball, living beings granule powder impurity on the filter plate is filtered by the filter plate and falls on the carousel, along with the rotation of spiral kicking block, the pump drive wheel is rotatory along with the vibration axle, the negative pressure mouth produces the negative pressure, absorb the powder on the carousel. In vibrating the living beings granule, can get rid of a large amount of powders of living beings granule surface adhesion, the powder that is surplus again simultaneously is retrieved, avoids the filter plate to be blockked up, has improved filtration efficiency and has also promoted filterable effect simultaneously, and is more accurate to subsequent gravity screening.

The hierarchical motor starts, make automatically controlled shutter block up hierarchical filter disc, the biomass particle slowly falls into along with the vibration of filter plate through the opening of left side slip oblique pin and spouts a grain pipe, it is close to hierarchical axle centre of a circle department to fall to hierarchical filter disc upside, hierarchical rotation of the axle drives hierarchical filter disc rotation, make biomass particle rely on centrifugal force to begin to beat to keeping away from hierarchical axle direction from the hierarchical dish that is closest to hierarchical axle department, biomass particle is graded on three hierarchical dish through gravity, after accomplishing the grading, close hierarchical motor, make automatically controlled shutter rotatory, open hierarchical filter disc, biomass particle falls into in the granule transmission pipe downwards, it is collected in falling to the three cell of granule collecting chamber. The centrifugal force is utilized to carry out classification screening on the biomass particles with different masses, the classification effect is good, the classification efficiency is high, the classification of the biomass particles is completed, and the subsequent full utilization of the biomass particles is facilitated.

Compared with the prior art, the classifying and screening equipment for the biomass particles has the following advantages:

1. the grading shaft rotates to drive the grading filter disc to rotate, so that biomass particles start to jump from the grading disc closest to the grading shaft to the direction far away from the grading shaft by virtue of centrifugal force, and the biomass particles are graded on the three grading discs by virtue of gravity.

2. In the vibration process of the biomass particles, a large amount of powder attached to the surfaces of the biomass particles can be removed, and meanwhile, redundant powder is recovered, so that the filter plate is prevented from being blocked, the filtering efficiency is improved, the filtering effect is also improved, and the subsequent gravity screening is more accurate.

3. The biomass particles with different masses are classified and screened by utilizing centrifugal force, the classification effect is good, the classification efficiency is high, the classification of the biomass particles is completed, and the subsequent full utilization of the biomass particles is more facilitated.

Drawings

Fig. 1 is a schematic structural view of a classifying and screening apparatus for biomass particles.

Fig. 2 is a sectional view taken along a line a-a in fig. 1.

Fig. 3 is an enlarged view of the structure at B in fig. 1.

Fig. 4 is a sectional view taken along line C-C in fig. 1.

In the figure, 10, a shutter; 11. a feed inlet; 12. an inclined guide rod; 13. fixing grooves; 14. a vibration spring; 15. Filtering the plate; 16. sliding the diagonal bar; 17. an annular groove; 18. a sliding support bar; 19. a fixed support disc; 20. A strut groove; 21. a support rod spring; 22. a powder collection chamber; 23. a vibration motor; 24. a particle screening chamber; 25. a particle spraying pipe; 26. an oblique groove; 27. a particle collection chamber; 28. a particle transport tube; 29. a grading motor; 30. a grading shaft; 31. a particle baffle; 32. a grading filter disc; 33. an annular baffle; 34. a powder filter chamber; 35. a fixed cavity; 36. a pump drive wheel; 37. a negative pressure port; 38. a powder blocking disc; 39. a spiral top block; 40. Ejecting the ball; 41. a vibration shaft; 42. a turntable; 43. grading discs; 44. an electrically controlled shutter; 46. and a ring groove sliding block.

Detailed Description

The following are specific embodiments of the present invention and further description of the technical solutions of the present invention with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in FIG. 1, a classifying and screening device for biomass particles comprises a casing 10, a feed inlet 12 is arranged on the upper side wall of the casing 10, a left baffle door 11 and a right baffle door 11 are symmetrically and rotatably arranged on the upper side wall of the casing 10, the left baffle door 11 and the right baffle door 11 are turned over to close the feed inlet 12, an inclined guide rod 13 is fixedly arranged on the left side wall of the casing 10, a powder filtering cavity 35 is arranged on the upper side of the casing 10, a vibrating motor 24 is fixedly arranged on the lower side wall of the powder filtering cavity 35, a biomass particle powder collecting device is arranged on the vibrating motor 24 and is used for collecting broken powder in the biomass particles, a particle screening cavity 25 is arranged in the middle section of the casing 10, a classifying device is arranged in the particle screening cavity 25 and is used for screening biomass particles with different weights, a particle collecting chamber 28 is fixedly arranged on the lower side wall of the casing 10, the particle collection chamber 28 is used to collect biomass particles.

As shown in fig. 1, the biomass particle powder collecting device includes a vibration shaft 42 disposed at an output end of the vibration motor 24, a rotary disc 43 is fixedly disposed at an upper end of the vibration shaft 42, a powder blocking disc 39 is fixedly disposed on an outer ring of a side wall of the rotary disc 43, a circle of spiral ejecting block 40 is spirally and fixedly disposed on an upper side wall of the rotary disc 43, an irregularly-distributed ejecting ball 41 is disposed on the spiral ejecting block 40, two fixing grooves 14 are disposed on the casing 10 in a rotation mode that the upper side of the casing is low at the left and the right, a filter plate 16 is disposed in the two fixing grooves 14 in a vertically sliding mode, a vibration spring 15 is connected between the filter plate 16 and the side wall of the upper side and the lower side of the fixing groove 14, two sliding inclined blocking rods 17 are fixedly disposed on the filter plate 16, an opening is disposed on the side wall of.

As shown in fig. 1, a fixed support plate 20 is fixedly arranged on the middle section of the casing 10, the fixed support plate 20 is rotatably connected with a vibration shaft 42, two support rod grooves 21 are fixedly arranged on the fixed support plate 20 in bilateral symmetry, two sliding support rods 19 are slidably arranged on the left short side and the right long side of the two support rod grooves 21, a support rod spring 22 is connected between the lower side wall of each sliding support rod 19 and the lower side wall of each support rod groove 21, each sliding support rod 19 is used for supporting the filter plate 16, a negative pressure port 38 is arranged on the left side of the fixed support plate 20, a fixed cavity 36 is fixedly arranged on the lower rear side wall of the powder filter cavity 35, a powder collection chamber 23 is fixedly arranged on the left lower side wall of the fixed cavity 36, the fixed cavity 36 is rotatably connected with the vibration shaft 42, the vibration shaft 42 penetrates through the fixed cavity 36 upwards, a pump driving wheel 37 is fixedly arranged on the part of the, the input wheel of the pump is a pump drive wheel 37, a hose is connected between the negative pressure suction port and the negative pressure port 38 of the pump, and a hose is connected between the delivery port of the pump and the powder collecting chamber 23.

As shown in fig. 1 and 3, the classifying device includes a classifying motor 30 fixed on the lower side wall of the particle screening chamber 25, a classifying shaft 31 is provided on the output end of the classifying motor 30, a trapezoidal inclined groove 27 is fixed on the rear side wall of the particle screening chamber 25, the inclined groove 27 is rotatably connected with the classifying shaft 31, and the classifying shaft 31 passes through the inclined groove 27 upward.

As shown in fig. 1, 2 and 4, a particle spraying pipe 26 is fixedly arranged on the left side wall of the inclined groove 27, a hose is communicated with an opening of the particle spraying pipe 26 and the left sliding inclined baffle rod 17, a classification shaft 31 is fixedly provided with a classification filter disc 33 on a part extending into the inclined groove 27, a circle of annular baffle 34 is fixedly arranged on the upper side of the classification filter disc 33 close to the axis of the classification shaft 31, three circles of classification discs 44 from low to high are sequentially arranged on the upper side wall of the classification filter disc 33 close to the axis of the classification shaft 31 in a direction away from the axis, and the three circles of classification discs 44 are used for sorting three kinds of biomass particles with different quality grades.

As shown in the figure, an annular groove 18 is fixedly arranged on the lower side wall of each grading disk 44, an annular groove slide block 47 is annularly and slidably arranged in the annular groove 18, a particle baffle 32 is fixedly arranged at the lower end of the annular groove slide block 47, the lower side of the particle baffle 32 is fixedly connected with the lower side wall of the inclined groove 27, and a particle conveying pipe 29 is communicated between the lower side of two adjacent particle baffles 32 and the three small chambers corresponding to the particle collecting chamber 28.

As shown in the figure, an electrically controlled shutter 45 is rotatably arranged at the front side of each grading disk 44, the electrically controlled shutter 45 keeps horizontal when the grading motor 30 is started, blocks the grading filter disk 33, and when the grading motor 30 is stopped, the electrically controlled shutter 45 is turned downwards, so that biomass particles on the electrically controlled shutter 45 fall into the particle conveying pipe 29 between the two particle baffles 32 to be collected.

The working principle is as follows: the staff pours the biomass particles downwards through the feeding hole 12, the biomass particles fall above the filter plate 16 through the guide of the inclined guide rod 13, the stop door 11 is closed, the vibration motor 24 is started, the vibration shaft 42 is driven to rotate, the rotary disc 43 rotates, the spiral ejecting block 40 rotates, the ejecting ball 41 ejects the filter plate 16, the biomass particles on the filter plate 16 are ejected, the filter plate 16 vibrates under the action of the vibration spring 15, the filter plate 16 slides up and down on the fixed groove 14 under the action of the ejecting ball 41, biomass particle powder impurities on the filter plate 16 are filtered by the filter plate 16 and fall on the rotary disc 43, the pump driving wheel 37 rotates along with the vibration shaft 42 along with the rotation of the spiral ejecting block 40, the negative pressure port 38 generates negative pressure, and powder on the rotary disc 43 is absorbed and sprayed into the powder collecting chamber 23 to be collected. In the vibration process of the biomass particles, a large amount of powder attached to the surfaces of the biomass particles can be removed, and meanwhile, redundant powder is recovered, so that the filter plate 16 is prevented from being blocked, the filtering efficiency is improved, the filtering effect is also improved, and the subsequent gravity screening is more accurate.

The grading motor 30 is started, so that the electric control shutter 45 blocks the grading filter disc 33, biomass particles slowly fall into the particle spraying pipe 26 along with the vibration of the filter plate 16 through the opening of the left sliding inclined blocking rod 17, fall to the upper side of the grading filter disc 33 and are close to the circle center of the grading shaft 31, the grading shaft 31 rotates to drive the grading filter disc 33 to rotate, so that the biomass particles start to jump to the direction far away from the grading shaft 31 from the grading disc 44 closest to the grading shaft 31 by virtue of centrifugal force, the biomass particles are graded on the three grading discs 44 by virtue of gravity, after grading is completed, the grading motor 30 is closed, the electric control shutter 45 rotates, the grading filter disc 33 is opened, the biomass particles fall into the particle conveying pipe 29 downwards and fall into three small chambers of the particle collecting chamber 28 to be collected. The biomass particles with different masses are classified and screened by utilizing centrifugal force, the classification effect is good, the classification efficiency is high, the classification of the biomass particles is completed, and the subsequent full utilization of the biomass particles is more facilitated.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The grading and screening device for the biomass particles comprises a shell (10) and is characterized in that a feeding hole (12) is formed in the side wall of the shell (10), a left baffle door and a right baffle door (11) are symmetrically and rotatably arranged on the side wall of the shell (10), the left baffle door and the right baffle door (11) are overturned to be used for closing the feeding hole (12), an inclined guide rod (13) is fixedly arranged on the left side wall of the shell (10), a powder filtering cavity (35) is formed in the upper side of the shell (10), a vibration motor (24) is fixedly arranged on the lower side wall of the powder filtering cavity (35), a biomass particle powder collecting device is arranged on the vibration motor (24) and is used for collecting crushed powder in the biomass particles, a particle screening cavity (25) is formed in the middle section of the shell (10), and a grading device is arranged in the particle screening cavity (25), the grading device is used for screening biomass particles with different weights, a particle collecting chamber (28) is fixedly arranged on the lower side wall of the shell (10), the particle collecting chamber (28) is divided into three small chambers by a partition plate, and the particle collecting chamber (28) is used for collecting the biomass particles.

2. The apparatus for classifying and screening biomass particles according to claim 1, wherein: the biomass particle powder collecting device comprises a vibrating shaft (42) arranged on the output end of a vibrating motor (24), a rotary disc (43) is fixedly arranged at the upper end of the vibrating shaft (42), a powder blocking disc (39) is fixedly arranged on the outer ring of the upper side wall of the rotary disc (43), a circle of spiral ejecting block (40) is fixedly arranged on the upper side wall of the rotary disc (43) in a spiral manner, irregularly-distributed ejecting balls (41) are arranged on the spiral ejecting block (40), two fixing grooves (14) are formed in the rotation of the upper side of the shell (10) with the left lower side and the right higher side, a filter plate (16) is arranged in the two fixing grooves (14) in a vertically sliding manner, a vibrating spring (15) is connected between the filter plate (16) and the upper side wall and the lower side wall of the fixing groove (14), two sliding inclined blocking rods (17) are fixedly arranged on the filter plate (16), and an opening, the jacking ball (41) is used for jacking up the filter plate (16) to enable the surface of the filter plate (16) to be irregularly bent.

3. The apparatus for classifying and screening biomass particles according to claim 2, wherein: the improved vibrating screen is characterized in that a fixed supporting disc (20) is fixedly arranged on the middle section of the shell (10), the fixed supporting disc (20) is rotatably connected with the vibrating shaft (42), two supporting rod grooves (21) are fixedly arranged on the fixed supporting disc (20) in a bilateral symmetry manner, two sliding supporting rods (19) are arranged on the left side and the right side of the two supporting rod grooves (21) in a short and long sliding manner, a supporting rod spring (22) is connected between the lower side wall of the sliding supporting rod (19) and the lower side wall of the supporting rod groove (21), the sliding supporting rod (19) is used for supporting the filtering plate (16), a negative pressure port (38) is arranged on the left side of the fixed supporting disc (20), a fixed cavity (36) is fixedly arranged on the lower rear side wall of the powder filtering cavity (35), a powder collecting chamber (23) is fixedly arranged on the lower left side wall of the fixed cavity (36), and the fixed cavity, the vibrating shaft (42) penetrates through the fixed cavity (36) upwards, a pump driving wheel (37) is fixedly arranged on the part, located on the fixed cavity (36), of the vibrating shaft (42), a pump is fixedly arranged on the rear side of the fixed cavity (36), an input wheel of the pump is the pump driving wheel (37), a hose is connected between a negative pressure suction port of the pump and the negative pressure port (38), and a hose is connected between a delivery port of the pump and the powder collecting chamber (23).

4. The apparatus for classifying and screening biomass particles according to claim 3, wherein: grading plant is including fixing hierarchical motor (30) on the lateral wall under granule screening chamber (25), be equipped with hierarchical axle (31) on the output of hierarchical motor (30), fixed trapezoidal slant groove (27) that are equipped with on granule screening chamber (25) rear side wall, slant groove (27) with hierarchical axle (31) rotate to be connected, hierarchical axle (31) upwards pass slant groove (27).

5. The apparatus for classifying and screening biomass particles according to claim 4, wherein: slant groove (27) are gone up the fixed grain pipe (26) that is equipped with on the left side wall, spout grain pipe (26) with the opening part intercommunication of left slip down pin (17) has the hose, hierarchical axle (31) stretch into slant groove (27) are gone up the fixed hierarchical filter disc (33) that is equipped with in part, hierarchical filter disc (33) upside is close to hierarchical axle (31) axle center department is fixed and is equipped with round annular baffle (34), hierarchical filter disc (33) side wall is close to hierarchical axle (31) axle center direction is equipped with in proper order to keeping away from the direction by low to high three rings of hierarchical disc (44), three rings of hierarchical disc (44) are used for sorting out the living beings granule of three kinds of different quality grades.

6. The apparatus for classifying and screening biomass particles according to claim 5, wherein: every grading dish (44) is fixed on the lateral wall down and is equipped with ring channel (18), ring channel (18) interior ring slip is equipped with ring channel slider (47), ring channel slider (47) lower extreme is fixed and is equipped with granule baffle (32), granule baffle (32) downside with lateral wall fixed connection under slant groove (27), two adjacent granule baffle (32) downside with the intercommunication has granule transmission pipe (29) between the three cell that room (28) correspond is collected to the granule.

7. The apparatus for classifying and screening biomass particles according to claim 6, wherein: an electric control shutter (45) is arranged on the front side of each grading disc (44) in a rotating mode, the electric control shutter (45) keeps a horizontal state when the grading motor (30) is started to block the grading filter disc (33), and when the grading motor (30) stops starting, the electric control shutter (45) overturns downwards to enable biomass particles on the electric control shutter (45) to fall into the particle conveying pipe (29) between the two particle baffles (32) to be collected.