Screening equipment for biomass particle processing

Abstract

The utility model relates to the technical field of biomass particle processing, in particular to screening equipment for biomass particle processing, which comprises a shell, a discharging hole is formed in the bottom of the left side of the shell, a second screening hole is formed in the bottom of the shell, and a shielding assembly is fixedly mounted on the left side of the shell and located on the surface of the discharging hole. Vertical plates are fixedly installed on the left side and the right side of the top of the shell, and a driving assembly is fixedly installed on the surface of the vertical plate on the right side. The problems that the screening quality is poor and biomass particles cannot be effectively screened due to the fact that materials fall too fast and cannot be screened in a vibration screening mode are solved, the biomass particles are rapidly screened through the first screening holes through centrifugal force, the materials are prevented from being blocked, and the screening efficiency is improved. The materials can be fully screened and further can quickly pass through the screening holes, material accumulation is avoided, and the screening quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of biomass particle processing, in particular to a screening equipment for biomass particle processing. BACKGROUND

[0002] Biomass particles are processed by cold-state densification of raw materials such as pulverized biomass straw and forestry waste under normal temperature conditions using pressure rollers and ring molds, which facilitates storage and transportation and greatly improves the combustion performance of biomass. A screening device is needed during the processing of biomass particles.

[0003] After searching, the screening equipment for biomass particle processing with the publication number CN218872756U was found. Through research and analysis, it has the advantages of double screening and dust removal. However, it still has the following shortcomings to some extent.

[0004] For example, during the screening process, the material is prone to accumulate, and the material falling speed is too fast to be screened through the vibration screening method, which leads to poor screening quality and ineffective screening of biomass particles. To solve the above technical problems, we designed a screening equipment for biomass particle processing. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a screening equipment for biomass particle processing, which has the advantage of efficient screening and solves the problem of ineffective screening of biomass particles caused by the vibration screening method.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a screening equipment for biomass particle processing, including an outer shell, a discharge hole is formed in the bottom of the left side of the outer shell, a sieve hole two is formed in the bottom of the outer shell, a shielding assembly is fixedly installed on the surface of the left side of the outer shell and located at the discharge hole, vertical plates are fixedly installed on the left and right sides of the top of the outer shell, a driving assembly is fixedly installed on the surface of the right vertical plate, the driving assembly includes a motor, the motor is fixedly installed on the right side of the outer shell, a rotating column is fixedly connected to the output shaft of the motor, a discharge pipe is installed through the bearing on the surface of the left vertical plate, a screening cylinder is fixedly connected between the rotating column and the discharge pipe, a cover plate is rotatably connected to the top of the screening cylinder through a rotating shaft, sieve holes one are formed through the surfaces of the screening cylinder and the cover plate, a stirring assembly is arranged at the bottom of the inner cavity of the outer shell, and the stirring assembly includes a stirring plate.

[0007] Preferably, the shielding assembly comprises a limiting frame fixedly installed on the left side of the shell, a sliding frame slidingly arranged in the inner cavity of the limiting frame, a baffle fixedly connected to the bottom of the sliding frame, a spring fixedly installed on the top of the baffle, and the top of the spring is fixedly installed on the surface of the limiting frame.

[0008] Preferably, a lock catch is rotatably connected to the top of the front side of the cover plate through a rotating shaft, and a lock seat matched with the lock catch is fixedly installed at the center of the front side of the screening cylinder.

[0009] Preferably, the stirring plate is arranged at the bottom of the inner cavity of the shell, rotating rings are fixedly installed on the left and right sides of the top of the stirring plate, and the rotating rings are rotatably connected to the surface of the vertical plate through bearings.

[0010] Preferably, the rotating rings are respectively sleeved on the surfaces of the rotating columns and the discharge pipe, and the discharge valve is fixedly installed on the surface of the discharge pipe.

[0011] Preferably, an installation groove is formed in the bottom of the rotating column and in the inner cavity of the rotating ring, a sliding groove is formed in the bottom of the inner cavity of the rotating ring on the right side, a fixed rod is slidingly arranged in the inner cavity of the installation groove, and the bottom of the fixed rod extends into the inner cavity of the sliding groove and slidingly contacts the inner wall of the sliding groove.

[0012] Preferably, support seats are fixedly installed on the left and right sides of the bottom of the shell, and the surface of the bottom of the stirring plate is in sliding contact with the bottom of the inner cavity of the shell.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a motor output shaft drives the rotating column to rotate, thereby driving the screening cylinder to rotate, utilizes centrifugal force to make the biomass particles pass through the sieve hole one and carry out screening, avoids the material to appear the situation of being blocked, improves the screening quality.

[0015] 2. The utility model discloses a rotating column drives the fixed rod to rotate, utilizes its and installation groove inside connection, makes it drive rotating ring to rotate, thereby drives the stirring plate to the material and stirs, makes the material can fully carry out screening, and then possibly fast through screening hole two, avoids the material to accumulate, improves the screening quality. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure diagram of the utility model Figure 1 ;

[0017] Figure 2 It is the three-dimensional structure diagram of the utility model Figure 2 ;

[0018] Figure 3 It is the three-dimensional structure diagram of the utility model

[0019] Figure 4 It is the partial structure perspective view of the utility model;

[0020] Figure 5 It is the partial structure perspective view of the utility model screening cylinder and poking assembly Figure 1 ;

[0021] Figure 6 It is the partial structure perspective view of the utility model screening cylinder and poking assembly Figure 2 ;

[0022] Figure 7 It is the partial structure perspective view of the utility model driving assembly and poking assembly;

[0023] Figure 8 It is the partial structure perspective view of the utility model driving assembly and poking assembly;

[0024] Figure 9 It is the partial structure perspective view of the utility model driving assembly and poking assembly;

[0025] In the drawing: 1, shell; 2, sieve two; 3, support seat; 4, sieve one; 5, screening cylinder; 6, cover plate; 7, driving assembly; 71, motor; 72, rotating column; 73, fixed rod; 74, installation groove; 8, vertical plate; 9, shielding assembly; 91, limiting frame; 92, spring; 93, sliding frame; 94, baffle; 10, discharge pipe; 11, discharge hole; 12, poking assembly; 121, rotating ring; 122, poking plate; 123, sliding groove; 13, discharge valve. DETAILED DESCRIPTION

[0026] Please refer to Figures 1-9 , a kind of screening equipment for biomass particle processing, including shell 1, the bottom of the left side of shell 1 is provided with discharge hole 11, the bottom of shell 1 is provided with sieve two 2, the surface of the left side of shell 1 and located discharge hole 11 is fixedly installed with shielding assembly 9, the top of shell 1 is fixedly installed with vertical plate 8 on the left and right sides, the surface of the right vertical plate 8 is fixedly installed with driving assembly 7, driving assembly 7 includes motor 71, motor 71 is fixedly installed on the right side of shell 1, the output shaft of motor 71 is fixedly connected with rotating column 72, the surface of the left vertical plate 8 is fixedly connected with discharge pipe 10 by bearing, rotating column 72 and discharge pipe 10 are fixedly connected with screening cylinder 5, the top of screening cylinder 5 is rotatably connected with cover plate 6 by rotating shaft, the surface of screening cylinder 5 and cover plate 6 is fixedly connected with sieve one 4, the bottom of the inner chamber of shell 1 is provided with poking assembly 12, and poking assembly 12 includes poking plate 122;

[0027] The shielding assembly 9 comprises a limiting frame 91 fixedly installed on the left side of the shell 1, a sliding cavity of the limiting frame 91 is slidably provided with a sliding frame 93, the bottom of the sliding frame 93 is fixedly connected with a baffle 94, the top of the baffle 94 is fixedly installed with a spring 92, the top of the spring 92 is fixedly installed on the surface of the limiting frame 91, and the spring 92 can conveniently exert a pushing force on the baffle 94, so that the baffle 94 is always located on the surface of the discharging hole 11;

[0028] Please refer to Figure 1 , the center of the top front side of the cover plate 6 is rotatably connected with a lock catch through a rotating shaft, the front side of the center of the screening cylinder 5 is fixedly installed with a lock seat matched with the lock catch, when the cover plate 6 is closed, the lock catch is buckled on the surface of the lock seat, and then the bolt is inserted into the lock seat, so that the cover plate 6 is fixed on the surface of the screening cylinder 5;

[0029] Please refer to Figure 5 、 Figure 6 and Figure 7 , the discharging plate 122 is arranged at the bottom of the inner cavity of the shell 1, the left and right sides of the top of the discharging plate 122 are fixedly installed with rotating rings 121, in order to prevent the discharging plate 122 from being unable to reset due to resistance, a torsional spring can be arranged on the surface of the rotating ring 121 on the right side, both ends of the torsional spring are fixedly connected with the surface of the rotating ring 121 and the surface of the right side of the stand plate 8, and the rotating rings 121 are rotatably connected with the surface of the stand plate 8 through bearings;

[0030] Please refer to Figure 7 , the two rotating rings 121 are respectively sleeved on the surfaces of the rotating column 72 and the discharging pipe 10, and the surface of the discharging pipe 10 is fixedly installed with a discharging valve 13;

[0031] Please refer to Figure 8 and Figure 9 , the bottom of the rotating column 72 and in the inner cavity of the rotating ring 121 are provided with an installation groove 74, the bottom of the inner cavity of the rotating ring 121 on the right side is provided with a sliding groove 123, and the inner cavity of the installation groove 74 is slidably provided with a fixing rod 73, the bottom of the fixing rod 73 extends into the inner cavity of the sliding groove 123 and is in sliding contact with the inner wall thereof;

[0032] Please refer to Figure 1 、 Figure 2 and Figure 3 , the left and right sides of the bottom of the shell 1 are fixedly installed with support seats 3, and the surface of the bottom of the discharging plate 122 is in sliding contact with the bottom of the inner cavity of the shell 1.

[0033] In use, open the cover plate 6, put the material into the inside of the screening cylinder 5, then cover the cover plate 6, fix the cover plate 6 with the lock seat through the lock buckle, then start the motor 71, drive the rotating column 72 through its output shaft to rotate, thereby driving the screening cylinder 5 to rotate, use the centrifugal force to make the biomass particles quickly pass through the sieve hole one 4 for screening, the material larger than the sieve hole one 4 is blocked in the inside of the screening cylinder 5, the material smaller than the sieve hole one 4 falls into the inside of the shell 1 through the sieve hole one 4, the rotating column 72 drives the fixed rod 73 to rotate in the process of rotating, makes the fixed rod 73 slide in the sliding groove 123, when the fixed rod 73 slides to the edge of the sliding groove 123, drives the rotating ring 121 to rotate thereby drives the material stirring plate 122 to stir the material, when the fixed rod 73 rotates to the upper side, due to the action of gravity, it will retract into the installation groove 74, at this time, the fixed rod 73 is separated from the sliding groove 123, thereby making the rotating ring 121 reset, when the fixed rod 73 rotates to the lower side again, due to the action of gravity, it enters the sliding groove 123 again, reciprocate thereby can drive the material stirring plate 122 to reciprocate and stir the material, after the material is stirred, it can quickly pass through the sieve hole two 2 for screening, after screening is completed, open the discharge valve 13 to discharge the material in the inside of the screening cylinder 5 from the discharge pipe 10, pull the sliding frame 93 upwards to drive the baffle 94 to move upwards, at this time, the spring 92 is compressed, when the baffle 94 moves out, the discharge hole 11 is exposed, thereby discharges the material in the inside of the shell 1, achieves the effect of multi-stage separation and screening.

[0034] In summary: the screening equipment for biomass particle processing, through the cooperation of the shell 1, the sieve hole two 2, the support seat 3, the sieve hole one 4, the screening cylinder 5, the cover plate 6, the driving assembly 7, the vertical plate 8, the shielding assembly 9 and the material stirring assembly 12, solves the problem that the material falling speed is too fast to be screened through the vibration screening method, thereby causing poor screening quality and unable to effectively screen the biomass particles.

Claims

1. A screening apparatus for biomass particle processing comprising a housing (1), characterized in that: The bottom of the left side of the shell (1) is provided with a discharge hole (11), the bottom of the shell (1) is provided with a second sieve hole (2), the surface of the left side of the shell (1) and located at the discharge hole (11) is fixedly installed with a shielding assembly (9), the top of the shell (1) is fixedly installed with a vertical plate (8) on the left and right sides, the surface of the vertical plate (8) on the right side is fixedly installed with a driving assembly (7), the driving assembly (7) comprises a motor (71), the motor (71) is fixedly installed on the right side of the shell (1), the output shaft of the motor (71) is fixedly connected with a rotating column (72), the surface of the vertical plate (8) on the left side is installed with a discharge pipe (10) through bearing penetration, the rotating column (72) and the discharge pipe (10) are fixedly connected with a screening cylinder (5), the top of the screening cylinder (5) is rotatably connected with a cover plate (6) through a rotating shaft, the surface of the screening cylinder (5) and the cover plate (6) is penetrated with a first sieve hole (4), the bottom of the inner cavity of the shell (1) is provided with a stirring assembly (12), the stirring assembly (12) comprises a stirring plate (122).

2. A screening apparatus for biomass particle processing according to claim 1, characterized in that: The shielding assembly (9) comprises a limiting frame (91), the limiting frame (91) is fixedly installed on the left side of the shell (1), the inner cavity of the limiting frame (91) is slidably penetrated with a sliding frame (93), the bottom of the sliding frame (93) is fixedly connected with a baffle (94), the top of the baffle (94) is fixedly installed with a spring (92), the top of the spring (92) is fixedly installed on the surface of the limiting frame (91).

3. A screening apparatus for biomass particle processing according to claim 1, characterized in that: The center of the front side of the top of the cover plate (6) is rotatably connected with a lock catch through a rotating shaft, the front side of the center of the screening cylinder (5) is fixedly installed with a lock seat matched with the lock catch.

4. A screening apparatus for biomass particle processing according to claim 1, characterized in that: The stirring plate (122) is arranged at the bottom of the inner cavity of the shell (1), the top of the stirring plate (122) is fixedly installed with a rotating ring (121) on the left and right sides, and the rotating ring (121) is rotatably connected to the surface of the vertical plate (8) through a bearing.

5. A screening apparatus for biomass particle processing according to claim 4, characterized in that: Two rotating rings (121) are respectively sleeved on the surfaces of the rotating column (72) and the discharge pipe (10), and the surface of the discharge pipe (10) is fixedly installed with a discharge valve (13).

6. A screening apparatus for biomass particle processing according to claim 5, characterized in that: The bottom of the rotating column (72) and located in the inner cavity of the rotating ring (121) is provided with a mounting groove (74), the bottom of the inner cavity of the rotating ring (121) on the right side is provided with a sliding groove (123), the inner cavity of the mounting groove (74) is slidably penetrated with a fixed rod (73), and the bottom of the fixed rod (73) extends to the inner cavity of the sliding groove (123) and slidably contacts with the inner wall thereof.

7. A screening apparatus for biomass particle processing according to claim 1, characterized in that: The bottom of the shell (1) is fixedly installed with a supporting seat (3) on the left and right sides, and the surface of the bottom of the stirring plate (122) slidably contacts with the bottom of the inner cavity of the shell (1).

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