CN113814167A - Particle screening system - Google Patents
Particle screening system Download PDFInfo
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- CN113814167A CN113814167A CN202010565752.8A CN202010565752A CN113814167A CN 113814167 A CN113814167 A CN 113814167A CN 202010565752 A CN202010565752 A CN 202010565752A CN 113814167 A CN113814167 A CN 113814167A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/02—Arrangement of air or material conditioning accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a particle screening system which comprises a particle screening device, wherein the particle screening device comprises a screen box, a winnowing device and a vibrating screen, a material inlet and a first material outlet are formed in the screen box, the winnowing device and the vibrating screen are both positioned in the screen box, and the winnowing device is used for receiving particle blanking at the upper output end of the vibrating screen. When the particle screening system works, the vibrating screen works, particles enter the upper part of the vibrating screen through the material inlet, small particle substances leak down through the vibrating screen, large particle substances enter the winnowing device through the vibrating screen, and particles at the purifying port are discharged through the first material outlet. In the granule screening system that this application provided, through setting up wind selector, take out the tiny particle material on granule surface through the air current, and then realize that the granule purifies after the screening, reduce granule surface dust content.
Description
Technical Field
The invention relates to the technical field of particle screening and purification, in particular to a particle screening system.
Background
The activated carbon flue gas purification technology has the advantage of multi-pollutant synergistic high-efficiency purification, and is suitable for complex sintering flue gas components (SO)2、NOxDust, O2The characteristics of water vapor, heavy metal) and large temperature fluctuation (110-.
The traditional active carbon flue gas purification process comprises an adsorption tower, a regeneration tower and a conveyor, wherein the effective height of a tower body of the adsorption tower is about 30m, the active carbon is used as an adsorbent and a catalyst to complete efficient adsorption of pollutants in the adsorption tower, the active carbon adsorbing the pollutants moves from top to bottom, the active carbon is sent to the regeneration tower through a conveying system to be heated and regenerated, the active carbon inevitably generates damage due to the effects of self-friction and analytic abrasion in the moving process, and the initial columnar active carbon with the complete form is changed into a fine active carbon mixture with different particle sizes.
However, the activated carbon is heated and regenerated in the desorption tower and then screened by the vibrating screen to remove the part with smaller particle size, but the activated carbon with smaller particle size inevitably still enters the adsorption system, and meanwhile, due to the electrostatic effect, the surface of the large-particle activated carbon is covered with the ultrafine carbon powder and also enters the adsorption system. The safety of the system is affected and the operation cost is increased by the ultrafine carbon powder in the adsorption tower.
Therefore, how to reduce the dust content on the surface of the particles is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to provide a particle screening system to reduce the dust content on the surface of particles.
In order to achieve the purpose, the invention provides a particle screening system which comprises a particle screening device, wherein the particle screening device comprises a screen box, a winnowing device and a vibrating screen, a material inlet and a first material outlet are formed in the screen box, the winnowing device and the vibrating screen are both positioned in the screen box, and the winnowing device is used for receiving particle blanking at the upper output end of the vibrating screen.
Preferably, the air separation device is fixedly connected with a sieve plate of the vibrating sieve, and the sieve plate is fixedly connected with the sieve box.
Preferably, the winnowing device comprises a gas conveying device, a gas chamber and a porous plate, the top of the gas chamber is communicated with the screen box through the porous plate, a dedusting air outlet is formed in the screen box, an air inlet of the gas chamber is connected with an air outlet of the gas conveying device, and the porous plate is connected with a discharge end of the screen plate.
Preferably, at least two independent air chambers are sequentially arranged along the particle movement direction, the wind speed of the air chamber outlet is sequentially reduced along the particle movement direction, and the dust removal wind outlet is positioned on the tail end wall surface of the particle movement direction in the screen box.
Preferably, the air separation device further comprises a circulating fan, a vent branch pipe, a vent main pipe of which the air inlet end is connected with the dust removal air outlet, and a dust removal device for purifying gas discharged from the dust removal air outlet, wherein the circulating fan is installed on the vent main pipe, one end of the vent branch pipe is connected with the air outlet of the vent main pipe, the other end of the vent branch pipe is connected with the air chambers, each air chamber is at least connected with one vent branch pipe, and circulating air in the air separation device circulates low-oxygen circulating gas.
Preferably, the air chambers correspond to the air branch pipes one by one, and each air branch pipe is provided with an air quantity regulating valve.
Preferably, a first flexible connecting piece is arranged at the dust removal air outlet.
Preferably, the sieve box is provided with a second material outlet for outputting particles below a sieve plate of the vibrating sieve, and the first material outlet and the second material outlet are located at the same end of the sieve box.
Preferably, the second material outlet is provided with a plurality of second material outlets, and all the second material outlets are symmetrically distributed on two opposite sides of the vertical surface of the first material outlet.
Preferably, the material collecting bin is connected with the second material outlet.
Preferably, the material inlet is provided with a second flexible connecting piece, the first material outlet is provided with a third flexible connecting piece, and the second material outlet is provided with a fourth flexible connecting piece.
Preferably, the particle screening device further comprises a support, a vibration elastic part, a guide rail and a guide rod, the guide rod slides in a direction parallel to the vibration elastic part, the guide rail is in sliding fit with the guide rod, one of the guide rail and the guide rod is hinged to the support, the other of the guide rail and the guide rod is hinged to the screen box, an anti-deflection disc is arranged on the inner side of the guide rail, and the support is arranged on the lower portion of the screen box.
Preferably, a vibration exciter, a motor and a cam connected with the output end of the motor are arranged in the screen box, and the vibration exciter is abutted to the cam surface of the cam.
Preferably, the vibration isolator further comprises a plurality of vibration isolators, and top ends of the vibration isolators are connected with the brackets.
Preferably, the material collecting device further comprises a material collecting hopper connected with the first material outlet and an air locking discharge valve arranged at the bottom end of the material collecting hopper.
In the technical scheme, the particle screening system comprises a particle screening device, the particle screening device comprises a screen box, a winnowing device and a vibrating screen, a material inlet and a first material outlet are formed in the screen box, the winnowing device and the vibrating screen are both located in the screen box, and the winnowing device is used for receiving particle blanking at the upper output end of the vibrating screen. When the particle screening system works, the vibrating screen works, particles enter the upper part of the vibrating screen through the material inlet, small particle substances leak down through the vibrating screen, large particle substances enter the winnowing device through the vibrating screen, and particles at the purifying port are discharged through the first material outlet.
As can be seen from the above description, in the particle screening system that this application provided, through setting up wind selector, carry over the tiny particle material on particle surface out through the air current, and then realize that the granule purifies after the screening, reduces particle surface dust content.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic illustration of a partial configuration of a particle screening system according to an embodiment of the present invention;
FIG. 2 is a partial view of the operation of a particle screening system according to an embodiment of the present invention;
FIG. 3 is a right side view of a particle screening system provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a particle screening system according to an embodiment of the present invention.
Wherein in FIGS. 1-4: 1-a screen box, 101-a second flexible connecting piece, 102-a vibrating elastic piece, 103-a guide rail, 104-a vibration exciter, 105-a motor, 106-a first flexible connecting piece, 107-a third flexible connecting piece, 108-a fourth flexible connecting piece, 109-an air conveying device, 110-a guide rod, 111-a bracket, 112-a screen plate, 113-an air chamber, 114-an air separation device, 115-a driving frame, 116-an anti-deviation disc, 117-a material inlet and 118-a dedusting air outlet;
2-vibration isolator, 3-aggregate bin, 4-air lock discharge valve;
5-a dust removal device, 501-a first dust removal pipeline, 502-a second dust removal pipeline;
6-circulating fan, 601-main ventilation pipe and 602-branch ventilation pipe.
Detailed Description
The core of the invention is to provide an information acquisition device, and the replacement efficiency of the information acquisition device is improved.
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
Please refer to fig. 1 to fig. 4.
In one embodiment, the particle screening system according to an embodiment of the present invention includes a particle screening device, the particle screening device includes a screen box 1, a wind separation device 114, and a vibrating screen, a material inlet 117 and a first material outlet are provided on the screen box 1, the wind separation device 114 and the vibrating screen are both located in the screen box 1, and the wind separation device 114 is configured to receive a particle blanking at an upper output end of the vibrating screen.
When the particle screening system works, the vibrating screen works, particles enter the upper part of the vibrating screen through the material inlet 117, small particle substances leak down through the vibrating screen, large particle substances enter the winnowing device 114 through the vibrating screen, and particles at the purifying port are discharged through the first material outlet.
As can be seen from the above description, in the particle screening system provided in the embodiment of the present application, by providing the air separation device 114, the small particulate matters on the particle surface are taken out by the air flow, so that the post-screening particle purification is realized, and the dust content on the particle surface is reduced.
In one embodiment, the air separation device 114 is fixedly connected to the screen plate 112 of the vibrating screen, wherein the screen plate 112 is a mesh screen plate. The screen plate 112 is fixedly connected with the screen box 1. Both the screen deck 112 and the air separation device 114 vibrate with the screen box 1. During operation, the anterior segment sets up to sieve 112 in the sieve case 1, and the sieve mesh sets up corresponding size according to the particle size under required sieve, and sieve 112 is two parts about with sieve case 1, and upper portion is the large granule, and the lower part is the tiny particle of sieving out.
Specifically, the winnowing device 114 comprises a gas transmission device 109, a gas chamber 113 and a porous plate, the top of the gas chamber 113 is communicated with the screen box 1 through the porous plate, the screen box 1 is provided with a dust removal air outlet 118, and an air inlet of the gas chamber 113 is connected with an air outlet of the gas transmission device 109. The number of the air chambers 113 may be plural, and the holes on the porous plate are arranged as required.
In another embodiment, at least two independent air chambers 113 are sequentially arranged along the particle moving direction, the wind speed at the outlet of the air chambers 113 decreases sequentially along the particle moving direction, and the dust removing wind outlet 118 is located on the end wall surface of the sieve box 1 in the particle moving direction. When the particles pass through the porous plate, the gas in the gas chamber 113 is ejected from the gap and acts on the particles, so that the ultrafine dust attached to the surfaces of the particles is blown off and flows away along with the gas flow. For enhancing the air screen effect and effective control, the air chamber 113 can be divided into a plurality of independent air chambers 113, as shown in the figure, air volume is gradually reduced by adding air volume into the air chamber 113 from left to right, the effect is that small particles are concentrated in the material gap below the bottom layer and are small, enough air volume and air speed are needed to peel off ultrafine dust from large particles, the particles are close to an air outlet when going right, left-side wind flows over the upper part of the right side in a concentrated manner, the air volume can be overlapped, the air speed can be increased sharply, the qualified small particles can be taken away easily by the excessive air volume and the excessive air speed, and the particle loss is increased.
The air separation device 114 further comprises a circulating fan 6, a vent branch pipe 602, a vent main pipe 601 with an air inlet end connected with the dust removal air outlet 118, and a dust removal device 5 for purifying gas discharged from the dust removal air outlet 118, wherein the circulating fan 6 is installed on the vent main pipe 601, one end of the vent branch pipe 602 is connected with an air outlet of the vent main pipe 601, the other end of the vent branch pipe 602 is connected with the air chambers 113, and each air chamber 113 is at least connected with one vent branch pipe 602.
Considering that after the activated carbon is resolved, although the material is cooled to be lower than the safe temperature, the temperature of part of the activated carbon particles is higher, the device is arranged after the activated carbon is resolved, if common air is introduced for winnowing, high-temperature active combustion can be caused, equipment can be damaged, and the operation of the whole system is affected, preferably, the circulating air in the winnowing device 114 is low-oxygen circulating air circulation, and specifically, the low-oxygen gas can be nitrogen.
In order to adjust the air quantity of the air outlet, preferably, the air chamber 113 corresponds to the air branch pipes 602 one by one, and each air branch pipe 602 is provided with an air quantity adjusting valve, specifically, the air quantity adjusting valve is an electric control valve capable of being remotely controlled.
After the dusty gas after the selection by winnowing purifies in dust collector 5 through first dust removal pipeline 501, clean gas is carried to the person in charge 601 of ventilating through the fan, the person in charge 601 of ventilating divides into many branch pipes that admit air, set up the tolerance governing valve on every branch pipe, control every branch pipe flow, the intake pipe is squeezed into gas chamber 113 with gas, spout from the porous plate, collect by dust removal wind export 118 behind the gaseous jetting material, get into first dust removal pipeline 501, get into dust collector 5 after that, then flow into the fan through second dust removal pipeline 502. The circulation operation can safely prevent the burning of the active carbon.
In one embodiment, the screen box 1 is provided with a second material outlet for outputting particles below the screen plate 112 of the vibrating screen, the first material outlet and the second material outlet being located at the same end of the screen box 1. And a material collecting bin 3 is arranged outside the second material outlet.
In order to avoid interference of two material collecting positions, the second material outlets are multiple, and all the second material outlets are symmetrically distributed on two opposite sides of the vertical surface of the first material outlet. The number of the second material outlets can be two, the second material outlets are lower than the first material outlets, and the second material outlets are provided with seed collecting hoppers. Namely, the left side and the right side below the first material outlet are both provided with a second material outlet.
In one embodiment, a first flexible connection 106 is provided at the dust extraction air outlet 118. The material inlet 117 is provided with a second flexible connector 101, the first material outlet is provided with a third flexible connector 107, and the second material outlet is provided with a fourth flexible connector 108. The sieve box 1 is connected with an external pipeline by arranging a first flexible connecting piece 106, and the upper part of the sieve plate 112 is used for circulating the qualified particles after sieving and is connected with the pipeline by a third flexible connecting piece 107; the lower part is for collecting the tiny particle that sieves, through fourth flexible connectors 108 connecting tube, avoids external structure to influence sieve case 1 vibration.
The particle screening device further comprises a support 111, a vibrating elastic part 102, a guide rail 103 and a guide rod 110, wherein the guide rod 110 is arranged in parallel to the vibrating elastic part 102 in the sliding direction, the guide rail 103 is in sliding fit with the guide rod 110, one of the guide rail 103 and the guide rod 110 is hinged with the support 111, the other of the guide rail 103 and the guide rod 110 is hinged with the screening box 1, an anti-deviation disc 116 is arranged on the inner side of the guide rail 103 of the guide rod 110, and the support 111 is arranged on the lower portion of the screening box 1. Specifically, the number of the guide rails 103, the number of the guide rods 110, and the number of the vibration elastic members 102 are plural, the number of the guide rails 103 and the number of the guide rods 110 are plural, and the guide rods 110 are provided with the deviation preventing disc 116 on the inner side of the guide rails 103 to prevent the screen box 1 from moving left and right. Wherein the holder 111 is fixed relative to an external base. Specifically, the vibrating elastic element 102, the guide rail 103 and the guide rod 110 are arranged on two sides of the screen box, which are arranged back to back.
Specifically, the vibration elastic member 102 may be a spring, and the length direction of the spring is parallel to the sliding direction of the guide bar 110.
In one specific embodiment, the screen box 1 is provided with an exciter 104, a motor 105 and a cam connected to an output end of the motor 105, and the exciter 104 abuts against a cam surface of the cam. The cam of the circulation rotation acts on the vibration exciter 104, so that the vibration exciter 104 generates displacement, the screen box 1 is driven to generate vibration, the motor 105 is fixed on the driving frame 115, and the driving frame 115 is supported on the bracket 111.
Specifically, the particle screening system further comprises a plurality of vibration isolators 2, and the top ends of the vibration isolators 2 are connected with the bracket 111. Preferably, the vibration isolators 2 are multiple, and two adjacent vibration isolators 2 are distributed at equal intervals
On the basis of the above schemes, preferably, the particle screening system further comprises a collecting hopper connected with the first material outlet and an air-locking discharge valve 4 installed at the bottom end of the collecting hopper.
Particles enter the screen box 1 through the material inlet, the motor 105 rotates to drive the vibration exciter 104 to generate displacement, the vibration elastic part 102 enables the displacement to reset, periodic vibration is generated, the materials generate parabolic motion to form Brazilian fruit effect, small particles move downwards and are screened out through the screen plate 112, after the particles enter the air separation section, air flow acts on the particles to peel off ultrafine dust attached to the particles and move along with the air flow, the air flow is collected through the dust removal air outlet 118, the ultrafine dust enters dust removal treatment and is discharged after reaching the standard, and the collected ultrafine dust is recycled. The air-locking discharge valve 4 prevents gas from overflowing from the discharge opening of the lower pipeline.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (15)
1. The utility model provides a granule screening system, its characterized in that includes granule screening plant, granule screening plant includes sieve case (1), wind selector (114), shale shaker, be equipped with material import (117) and first material export on sieve case (1), wind selector (114) with the shale shaker all is located sieve case (1) is interior, just wind selector (114) are used for accepting the granule blanking of shale shaker upper output end.
2. A particle screening system according to claim 1, wherein the air classification device (114) is fixedly connected to the screening deck (112) of the vibrating screen, the screening deck (112) being fixedly connected to the screen box (1).
3. The particle screening system of claim 1, wherein the air separation device (114) comprises an air transmission device (109), an air chamber (113) and a porous plate, the top of the air chamber (113) is communicated with the screen box (1) through the porous plate, a dust removal air outlet (118) is arranged on the screen box (1), an air inlet of the air chamber (113) is connected with an air outlet of the air transmission device (109), and the porous plate is connected with a discharge end of the screen plate (112).
4. A particle screening system according to claim 3, wherein at least two independent air chambers (113) are provided in succession in the direction of particle movement, and the air velocity at the outlet of said air chambers (113) decreases in succession in the direction of particle movement, said dust removal air outlet (118) being located on the end wall surface of the sieve box (1) in the direction of particle movement.
5. The particle screening system of claim 3, wherein the air separation device (114) further comprises a circulating fan (6), an air branch pipe (602), an air main pipe (601) with an air inlet end connected with the dust removal air outlet (118), and a dust removal device (5) for purifying the exhaust air of the dust removal air outlet (118), the circulating fan (6) is installed on the air main pipe (601), one end of the air branch pipe (602) is connected with an air outlet of the air main pipe (601), the other end of the air branch pipe is connected with the air chambers (113), each air chamber (113) is connected with at least one air branch pipe (602), and the circulating air in the air separation device (114) is low-oxygen circulating air.
6. A particle screening system according to claim 5, wherein the air chambers (113) are in one-to-one correspondence with the air venting manifolds (602), each air venting manifold (602) being provided with an air volume regulating valve.
7. A particle screening system according to claim 3, wherein a first flexible connection (106) is provided at the dust extraction air outlet (118).
8. A particle screening system according to claim 1, wherein the screen box (1) is provided with a second material outlet for outputting particles below the screening deck (112) of the vibrating screen, the first material outlet and the second material outlet being located at the same end of the screen box (1).
9. A particle screening system according to claim 8, wherein the second material outlet is a plurality of outlets, all of which are symmetrically distributed on opposite sides of a vertical plane of the first material outlet.
10. A particle screening system according to claim 8, further comprising a collection bin (3) connected to the second material outlet.
11. A particle screening system according to claim 8, wherein the material inlet (117) is provided with a second flexible connection (101), the first material outlet is provided with a third flexible connection (107) and the second material outlet is provided with a fourth flexible connection (108).
12. The particle screening system of claim 1, wherein the particle screening device further comprises a bracket (111), a vibrating elastic member (102), a guide rail (103) and a guide rod (110), the guide rod (110) is arranged in parallel with the vibrating elastic member (102), the guide rail (103) is in sliding fit with the guide rod (110), one of the guide rail (103) and the guide rod (110) is hinged with the bracket (111), the other one of the guide rail (103) and the guide rod (110) is hinged with the screen box (1), the guide rod (110) is provided with an anti-deflection disc (116) at the inner side of the guide rail (103), and the bracket (111) is arranged at the lower part of the screen box (1).
13. A particle screening system according to claim 1, wherein an exciter (104), a motor (105) and a cam connected to the output end of the motor (105) are arranged in the screening box (1), and the exciter (104) abuts against the cam surface of the cam.
14. A particle screening system according to claim 1, further comprising a plurality of vibration isolators (2), the top ends of the vibration isolators (2) being connected to the carrier (111).
15. A particle screening system according to any one of claims 1 to 14, further comprising a collection hopper connected to the first material outlet and a airlock discharge valve (4) mounted at the bottom end of the collection hopper.
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CN206240785U (en) * | 2016-12-01 | 2017-06-13 | 郑州一帆机械设备有限公司 | A kind of material sorting device |
CN206676747U (en) * | 2017-03-09 | 2017-11-28 | 扬州正大机械制造有限公司 | One kind classification air draught type stone remover |
CN109454001A (en) * | 2018-12-11 | 2019-03-12 | 河南威猛振动设备股份有限公司 | A kind of vibration winnowing device |
CN209918062U (en) * | 2019-03-05 | 2020-01-10 | 凤阳县正功矿业有限公司 | Environment-friendly screening equipment for quartz sand processing |
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