CN222984866U - A particle production screening device - Google Patents

Abstract

The utility model belongs to the technical field of biomass particles, in particular to a particle production screening device, which comprises an inclined supporting plate, wherein a box body is fixedly connected to the inclined supporting plate, two fixed seats are fixedly connected to the two ends of the top side of the inclined supporting plate, auxiliary supporting wheels are rotatably arranged in each fixed seat, the screening roller is rotatably arranged in a matched manner by a plurality of auxiliary supporting wheels, and a plurality of annular grooves are formed in the outer circumferential surface of the screening roller.

Description

Screening device for particle production

Technical Field

The utility model relates to the technical field of biomass particles, in particular to a particle production screening device.

Background

The biomass particles are solid fuel which is prepared by processing agricultural waste, forestry waste and other raw materials, and after being extruded by a biomass granulator, the biomass particles can be cut by a cutter in the machine so as to ensure that the particle size is uniform, and in the cutting process, scraps and residues are easy to generate, and the scraps and residues can be mixed with a finished product for discharging, so that the quality of the finished product is affected, and therefore, the scraps and residues mixed in the finished product are required to be screened and removed by a screening device.

The utility model provides a chinese patent with public number CN220946187U discloses a biomass fuel granule production screening plant, and it includes the casing, be equipped with treatment chamber and blanking room in the casing, the treatment chamber with the blanking room passes through the filter screen interval along vertical direction and sets up, the feed inlet has been seted up at the casing top, the feed inlet with the treatment chamber intercommunication, the discharge gate has been seted up to treatment chamber one side, the discharge gate is equipped with the apron, the filter screen below is equipped with and beats the subassembly, and the device is when using, biomass particles get into the treatment chamber through the feed inlet and fall onto the filter screen, beats the subassembly and beats the filter screen bottom to vibrate the filter screen, the filter screen drives biomass particles vibration, and debris residue accessible filter screen drops to the blanking room in order to this separable biomass particles and debris residue, and then the debris residue in the reducible biomass particles to improve biomass fuel particle's finished product quality.

The existing biomass particle production screening device cannot crush loose particles in biomass particles before screening the biomass particles, loose particles cannot be crushed sufficiently, so that the loose particles cannot pass through screen holes smoothly, screening efficiency is reduced, loose particles are mixed in finished biomass particles, quality and uniformity of the biomass particles cannot be guaranteed, product quality is greatly reduced, a screen is easy to block and needs to be cleaned frequently during screening, and maintenance cost of screening is high, so that the particle production screening device is provided for the problems.

Disclosure of utility model

In order to overcome the defects in the prior art and solve the problems set forth in the background art, the utility model provides a particle production screening device.

The technical scheme adopted for solving the technical problems is that the particle production screening device comprises an inclined supporting plate; the box body is fixedly connected on the inclined supporting plate, the screening roller is arranged in the box body, two ends of the top side of the inclined supporting plate are fixedly connected with two fixing seats, an auxiliary supporting wheel is rotatably arranged in each fixing seat, a plurality of auxiliary supporting wheels are rotatably matched with each other to form the screening roller, a plurality of annular grooves are formed in the outer circumferential surface of the screening roller, a plurality of filtering holes are formed in each annular groove, a driven toothed ring is sleeved on the outer surface of the screening roller, a rectangular through groove is formed in the top side of the box body, a first motor is arranged on the top side of the box body, a driving gear is arranged at the output end of the first motor and meshed with the driven toothed ring, the driving gear is arranged in the rectangular through groove, a hollow tube is welded on the side wall of the box body, the hollow pipe is provided with a plurality of spray pipes, the spray pipes penetrate through the box body, the spray holes of the spray pipes are positioned in the annular groove, the top side of the box body is provided with an air pump, an air outlet hole of the air pump is connected with an air pipeline, the other pipe of the air pipeline is connected with the hollow pipe, when screening is carried out, loose biomass particles crushed and compact biomass particles enter the screening roller together, a first motor is started to enable a driving gear to rotate, then a driven toothed ring drives the screening roller to rotate, chips mixed with the biomass particles drop into a chip collecting groove through a filtering hole through the high-speed rotation of the screening roller, the biomass particles slide downwards along the screening roller and pass through a finished product guide groove, therefore, biomass particles can be effectively screened, chips mixed in a finished product can be removed, the quality of the finished product is guaranteed, in the screening process, an air pump is started, gas flows into a hollow space through a gas transmission pipeline, and finally is sprayed out through a spray pipe, so that the chips blocked in a filter hole can be pushed out of the filter hole under the action of high-pressure gas, the occurrence of the blocking phenomenon of the filter hole is avoided, the subsequent screening effect is guaranteed, the filter hole is cleaned without stopping and repeating, and the maintenance cost of screening equipment is greatly reduced.

Preferably, the fixed frame is fixedly connected to the side wall of the inclined supporting plate, the cylinder is fixedly connected to the fixed frame, a second motor is mounted on one side wall of the cylinder, the output end of the second motor is connected with a rotating shaft, the other end of the rotating shaft is rotatably mounted on the other side wall of the cylinder, the rotating shaft is sleeved with a rotating roller, a plurality of separation overturning plates are fixed to the outer surface of the rotating roller, a protective cover is connected between the box and the cylinder, an impact plate is mounted on the inner wall of the top side of the protective cover, when screening is carried out, the second motor is started, the rotating roller drives the separation overturning plates to rotate, loose biomass particles can be overturned onto the impact plate on the inner wall of the top side of the protective cover through the impact of the impact plate, and can be broken along with qualified and compact biomass particles flowing into the screening cylinder through a guide hopper.

Preferably, the feed inlet has been seted up to the periphery upper end of barrel, and the port department rigid coupling of feed inlet has the feeder hopper, the periphery downside rigid coupling of barrel has the guide hopper, just the bottom mouth of guide hopper sets up down in the box, when using the device, through setting up the feed inlet, is convenient for throw into the living beings granule of waiting to divide the sieve in the sieving mechanism and sieve.

Preferably, the piece collecting vat has been seted up in the slope backup pad, and the piece collecting vat sets up in the below of screening cylinder, the bottom mouth department rigid coupling of box has the finished product baffle box, when using the device, through setting up the piece collecting vat, can collect the piece of screening out, through setting up the finished product baffle box, the finished product living beings of being convenient for screening out pass through the finished product baffle box discharge.

The utility model has the advantages that:

1. When screening is carried out, the second motor is started, the rotating roller drives the separation turning plate to rotate, biomass particles can be turned over to the impact plate on the inner wall of the top side of the protective cover through the rotation of the separation turning plate, loose biomass particles can be smashed through the impact of the impact plate and flow into the screening roller along with qualified and compact biomass particles through the guide hopper, before screening, the loose biomass particles can be impacted into fragments through the impact of the biomass particles, and the smashed fragments can be conveniently and smoothly discharged through the filtering holes, so that the screening efficiency is remarkably improved, the impact of the biomass particles is beneficial to smashing the loose particles, the uniformity of the particles finally passing through the screening roller is ensured, and the stability and consistency of the biomass particles in burning are favorably maintained, and the product quality is improved;

2. When screening is carried out, the broken loose biomass particles and compact finished biomass particles enter the screening roller together, then the first motor is started to enable the driving gear to rotate, the driven toothed ring drives the screening roller to rotate, the chips mixed with the biomass particles fall into the chip collecting tank through the filtering holes through the high-speed rotation of the screening roller, the finished biomass particles slide downwards along the screening roller and pass through the finished product guide groove, so that the biomass particles can be effectively screened, the chips mixed in the finished product can be removed, the quality of the finished product is ensured, in addition, in the screening process, the air pump is started, air flows into the hollow through the air conveying pipeline and is finally sprayed out through the spray pipe, so that the chips blocked in the filtering holes can be pushed out from the filtering holes under the action of high-pressure air, the occurrence of blocking phenomenon of the filtering holes is avoided, the subsequent screening effect is ensured, the filtering holes are not required to be cleaned repeatedly, and the maintenance cost of the screening equipment is greatly reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of the overall perspective structure of the device;

FIG. 2 is a schematic perspective view of the device in an overall cross-section;

FIG. 3 is a schematic cross-sectional perspective view of the case;

fig. 4 is a schematic cross-sectional perspective view of a box and screening drum.

In the figure, 1, an inclined supporting plate, 2, a box body, 3, a screening roller, 4, a fixed seat, 5, an auxiliary supporting wheel, 6, a driven toothed ring, 7, a first motor, 8, a driving gear, 9, a rectangular through groove, 10, an annular groove, 11, a filter hole, 12, an air pump, 13, an air transmission pipeline, 14, a hollow pipe, 15, a spray pipe, 16, a fixed frame, 17, a cylinder body, 18, a feed hopper, 19, a second motor, 20, a rotary roller, 21, a separation turning plate, 22, a guide hopper, 23, a protective cover, 24, a debris collecting groove and 25, and a finished product guide groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, a particle production screening apparatus comprises an inclined support plate 1; the screening device comprises a box body 2 fixedly connected to a slope support plate 1, a screening roller 3 is arranged in the box body 2, two ends of the top side of the slope support plate 1 are fixedly connected with two fixing seats 4, an auxiliary support wheel 5 is rotatably arranged in each fixing seat 4, a plurality of auxiliary support wheels 5 are rotatably matched with each other to install the screening roller 3, a plurality of annular grooves 10 are formed in the outer circumferential surface of the screening roller 3, a plurality of filtering holes 11 are formed in each annular groove 10, a driven toothed ring 6 is sleeved on the outer surface of the screening roller 3, a rectangular through groove 9 is formed in the top side of the box body 2, a first motor 7 is arranged on the top side of the box body 2, a driving gear 8 is arranged at the output end of the first motor 7 and meshed with the driven toothed ring 6, the driving gear 8 is arranged in the rectangular through groove 9, a hollow pipe 14 is welded on the side wall of the box body 2, a plurality of spray pipes 15 are assembled on the hollow pipe 14, the spray pipes 15 penetrate through the box body 2 and are positioned in the annular grooves 10, an air pump 12 is arranged on the top side of the box body 2, an air outlet hole 13 of the air pump 12 is connected with a pipeline 13, and the other air pipe 14 is connected with the air pipe 14; when screening, the broken loose biomass particles and compact finished biomass particles enter the screening roller 3 together, then the first motor 7 is started to enable the driving gear 8 to rotate, the driven gear ring 6 drives the screening roller 3 to rotate, the chips mixed with the biomass particles fall into the chip collecting tank 24 through the filtering holes 11 by high-speed rotation of the screening roller 3, the finished biomass particles slide downwards along the screening roller 3 and pass through the finished product guide chute 25, thereby can effectually sieve living beings granule, and then can get rid of the piece that mixes in the finished product, guaranteed the quality of finished product, and in screening process, start air pump 12, make gas flow into hollow tube 14 through gas-supply pipeline 13 in, finally spout through spray tube 15, thereby can be with the piece of jam in filter screen 11, under the effect of high-pressure gas, release in from filter screen 11, thereby avoided the emergence of filter screen 11 jam phenomenon, guaranteed subsequent screening effect, and need not shut down and repeatedly clear up filter screen 11, greatly reduced the maintenance cost of screening equipment higher.

Referring to fig. 1, a fixed frame 16 is fixedly connected to a side wall of the inclined support plate 1, a cylinder 17 is fixedly connected to the fixed frame 16, a second motor 19 is mounted on a side wall of the cylinder 17, an output end of the second motor 19 is connected to a rotating shaft, the other end of the rotating shaft is rotatably mounted on the other side wall of the cylinder 17, a rotating roller 20 is sleeved on the rotating shaft, a plurality of separation turning plates 21 are fixedly arranged on the outer surface of the rotating roller 20, a feeding hole is formed in the upper end of the circumferential surface of the cylinder 17, a feeding hopper 18 is fixedly connected to a port of the feeding hole, a guide hopper 22 is fixedly connected to the bottom side of the circumferential surface of the cylinder 17, a bottom port of the guide hopper 22 is arranged in a lower box body 2, a protective cover 23 is connected between the box body 2 and the cylinder 17, and an impact plate is mounted on the inner wall of the top side of the protective cover 23; when screening, biomass particles to be screened enter the cylinder 17 through the feed hopper 18, the second motor 19 is started, the rotary roller 20 drives the separation throwing plate 21 to rotate, the biomass particles can be thrown onto the impact plate on the inner wall of the top side of the protective cover 23 through the rotation of the separation throwing plate 21, loose biomass particles can be smashed through the impact of the impact plate and flow into the screening cylinder 3 along with qualified and compact biomass particles through the guide hopper 22, before screening, loose biomass particles can be impacted into fragments through the impact of the biomass particles, the smashed fragments can be conveniently and smoothly discharged through the filter holes 11, so that the screening efficiency is remarkably improved, the loose particles can be helped to be smashed through the impact of the biomass particles, the uniformity of the particles which finally pass through the screening cylinder 3 is ensured, the stability and consistency of the biomass particles during combustion are favorably maintained, the product quality is improved.

When the device is used, the separated and screened scraps can be collected by arranging the scraps collecting tank 24, and the separated and screened finished biomass is conveniently discharged through the finished product collecting tank 25 by arranging the finished product collecting tank 25.

The working principle is as follows; because the existing biomass particle production screening device cannot crush loose particles in biomass particles before screening the biomass particles, loose particles cannot be crushed sufficiently, so that the loose particles cannot smoothly pass through screen holes, screening efficiency is reduced, loose particles are mixed in finished biomass particles, quality and uniformity of the biomass particles cannot be ensured, product quality is greatly reduced, a screen is easy to block during screening, frequent cleaning is needed, and maintenance cost of the screening is high; therefore, the particle production screening device is provided for solving the problems, when screening is carried out, biomass particles to be screened enter the cylinder 17 through the feed hopper 18, the second motor 19 is started, the rotary roller 20 drives the separation turning plate 21 to rotate, the biomass particles can be turned over to the impact plate on the inner wall of the top side of the protective cover 23 through the rotation of the separation turning plate 21, loose biomass particles can be smashed through the impact of the impact plate and flow into the screening roller 3 together with qualified and compact biomass particles through the guide hopper 22, loose biomass particles can be impacted into fragments through the impact of the biomass particles before screening, and the smashed fragments can be conveniently and smoothly discharged through the filter holes 11, so that the screening efficiency is remarkably improved, the impact of the biomass particles is facilitated, the loose particles are ensured to be more uniform through the impact of the separation turning plate 21, the stability and consistency of the biomass particles during combustion are facilitated to be maintained, and the product quality is improved;

When screening, loose biomass particles and compact finished biomass particles which are smashed enter screening drum 3 together, first motor 7 is started, driving gear 8 rotates, driven toothed ring 6 drives screening drum 3 to rotate, high-speed rotation of screening drum 3 is carried out, fragments mixed with biomass particles drop into debris collecting tank 24 through filtering holes 11, finished biomass particles slide downwards along screening drum 3 and pass through finished material guide groove 25, so that biomass particles can be screened effectively, fragments mixed in finished products can be removed, quality of finished products is guaranteed, air pump 12 is started, gas flows into hollow tube 14 through gas pipeline 13, and finally is sprayed out through spray tube 15, so that fragments blocked in filtering holes 11 can be pushed out from inside filtering holes 11 under the action of high-pressure gas, blocking phenomenon of filtering holes 11 is avoided, subsequent screening effect is guaranteed, repeated screening of filtering holes 11 is not needed, and maintenance cost of screening equipment is greatly reduced.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. A particle production screening device is characterized by comprising an inclined supporting plate (1), wherein a box body (2) is fixedly connected to the inclined supporting plate (1), a screening roller (3) is arranged in the box body (2), two fixed seats (4) are fixedly connected to two ends of the top side of the inclined supporting plate (1), an auxiliary supporting wheel (5) is rotatably arranged in each fixed seat (4), the screening roller (3) is rotatably arranged in a matched mode through a plurality of auxiliary supporting wheels (5), a plurality of annular grooves (10) are formed in the outer circumferential surface of the screening roller (3), a plurality of filtering holes (11) are formed in each annular groove (10), a driven toothed ring (6) is sleeved on the outer surface of the screening roller (3), a rectangular through groove (9) is formed in the top side of the box body (2), a first motor (7) is arranged on the top side of the box body (2), a driving gear (8) is arranged at the output end of each first motor (7), the driving gear (8) is meshed with a driven toothed ring (6), a plurality of driving gears (8) are meshed with the driven toothed rings (6), a plurality of hollow pipes (14) are arranged in the box body (14) and the hollow pipes (14) are welded on the hollow pipes (14), and the spout of spray tube (15) is located annular groove (10), air pump (12) are installed to the top side of box (2), the venthole of air pump (12) is connected with gas-supply pipeline (13), just another pipe connection of gas-supply pipeline (13) is on hollow tube (14).

2. The particle production screening device according to claim 1, wherein a fixing frame (16) is fixedly connected to the side wall of the inclined supporting plate (1), a cylinder (17) is fixedly connected to the fixing frame (16), and a second motor (19) is mounted on one side wall of the cylinder (17).

3. The particle production screening device according to claim 2, wherein the output end of the second motor (19) is connected with a rotating shaft, the other end of the rotating shaft is rotatably arranged on the other side wall of the cylinder (17), a rotating roller (20) is sleeved on the rotating shaft, and a plurality of separation turning plates (21) are fixed on the outer surface of the rotating roller (20).

4. The particle production screening device according to claim 2, wherein a feeding hole is formed in the upper end of the circumferential surface of the cylinder (17), a feeding hopper (18) is fixedly connected to a port of the feeding hole, a guide hopper (22) is fixedly connected to the bottom side of the circumferential surface of the cylinder (17), and a bottom port of the guide hopper (22) is arranged in the lower box body (2).

5. The particle production screening device according to claim 1, wherein a protective cover (23) is connected between the box body (2) and the cylinder body (17), and an impact plate is arranged on the inner wall of the top side of the protective cover (23).

6. The particle production screening device according to claim 1, wherein the inclined supporting plate (1) is provided with a scrap collecting tank (24), the scrap collecting tank (24) is arranged below the screening roller (3), and a finished product guide tank (25) is fixedly connected to the bottom end opening of the box body (2).