CN110404775A - A kind of stock grading screening plant - Google Patents

A kind of stock grading screening plant Download PDF

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Publication number
CN110404775A
CN110404775A CN201910771341.1A CN201910771341A CN110404775A CN 110404775 A CN110404775 A CN 110404775A CN 201910771341 A CN201910771341 A CN 201910771341A CN 110404775 A CN110404775 A CN 110404775A
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CN
China
Prior art keywords
screening plant
sieve
cylinder
level
barrier plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201910771341.1A
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Chinese (zh)
Inventor
张平亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Professional College of Science and Technology
Original Assignee
Wuxi Professional College of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuxi Professional College of Science and Technology filed Critical Wuxi Professional College of Science and Technology
Priority to CN201910771341.1A priority Critical patent/CN110404775A/en
Publication of CN110404775A publication Critical patent/CN110404775A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/06Cone or disc shaped screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18Drum screens
    • B07B1/22Revolving drums
    • B07B1/24Revolving drums with fixed or moving interior agitators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/286Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens with excentric shafts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B11/00Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/06Feeding or discharging arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B7/00Selective separation of solid materials carried by, or dispersed in, gas currents
    • B07B7/01Selective separation of solid materials carried by, or dispersed in, gas currents using gravity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B9/00Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B2201/00Details applicable to machines for screening using sieves or gratings
    • B07B2201/04Multiple deck screening devices comprising one or more superimposed screens

Abstract

The present invention provides a kind of stock grading screening plant, including feeding cylinder, the distributor for connecting and being disposed below with feeding cylinder, level-one screening plant and second level screening plant;The first sieve and sieve plate of level-one screening plant built-in skew arrangement, sieve plate are arranged in parallel with the first sieve, and connect the first collection device in the bottom of sieve plate, and the dropping channel to fall for material is formed on the bottom of sieve plate;Second level screening plant includes: driving mechanism, screen cylinder and is built in screen cylinder and makees under the drive of the drive the conical drum horizontally rotated, at least two different sieves of covering pore size filter on the circular conical surface of conical drum.What disclosed stock grading screening plant was capable of continuous batch carries out sizing screening to the material of a variety of different-grain diameters range contained in material, and significant improves the stock grading screening plant reliability of operation and sizing screening efficiency.

Description

A kind of stock grading screening plant
Technical field
The present invention relates to material screening device technical field more particularly to a kind of stock grading screening plants.
Background technique
Production raw material often contains various impurity, such as mud in the industry such as chemical industry, mine, coal, grain, food, ore dressing Soil, sandstone, grass-seed, confused flour beetle, metal etc., it is necessary to first remove impurity with screening plant.Meanwhile it also needing in actual use Sizing screening is carried out according to particle size to different material or different impurities.Screening plant in the prior art has a single function only It can execute and remove impurity operation or sizing screening operation is carried out to the material after removing impurity, therefore traditional screening is caused to fill It sets and has some limitations when in use.In addition, being blown usually using high-speed flow the screening of material particular diameter in the prior art Animal material, and categorised collection is realized using the difference of weight of material.Such prior art will cause certain sky when in use Gas pollution, and in fact using high-speed flow blow material there is also inaccurate to Classification of materials to realize the classification to material particular diameter True technological deficiency.
For example, the Chinese utility model patent that notification number is CN204769572U discloses a kind of tea fruit sizing screening and broken Housing apparatus, integrally level is horizontally placed in spiral screening washer the feed hopper for pointing out in retracted configuration, and passes through taper drum outer wall The shrinkage pool of set Diameter Gradual Change, tea fruit is taken out of, realizes the sizing screening function to different size of tea fruit.Applicant Thinking the screening plant of such pair of tea fruit, there is only the limitations of the applicable object of sizing screening, more importantly, it should The prior art is easy to fall when being input to feed hopper to tea fruit, can only rely on and manually once tea fruit is put into feed hopper, thus Cause the effect to the sizing screening of tea fruit poor.Especially, applicant indicate that the tea fruit sizing screening and hulling machine are to object Expect that the effect of (i.e. tea fruit) continuous, a large amount of sizing screening is undesirable, the efficiency of sizing screening is lower.
In view of this, it is necessary to screening plant in the prior art be improved, to solve the above problems.
Summary of the invention
It is an object of the invention to disclose a kind of stock grading screening plant, to realize that it is continuous, efficient that material is realized Sizing screening, and material is avoided to cause secondary pollution to air during sizing screening, to improve reliability.
To achieve the above object, the present invention provides a kind of stock grading screening plants, comprising:
Feeding cylinder, the distributor for connecting and being disposed below with feeding cylinder, level-one screening plant and second level screening plant;
The first sieve and sieve plate of the level-one screening plant built-in skew arrangement, the sieve plate is parallel with the first sieve to be set It sets, and connects the first collection device in the bottom of sieve plate, the dropping channel to fall for material is formed on the bottom of the sieve plate, described Vibrating motor is arranged in the top of level-one screening plant;
The second level screening plant includes: driving mechanism, screen cylinder and is built in screen cylinder and in driving device Driving makees the conical drum horizontally rotated down, wherein it is different at least that pore size filter is covered on the circular conical surface of the conical drum Two kinds of sieves.
As a further improvement of the present invention, the distributor includes distributor and is separately connected distributor and level-one Several distribution pipes of screening plant, the distribution pipe are flexible duct.
As a further improvement of the present invention, the driving mechanism is by the rotating electric machine, retarder, shaft coupling that are coaxially disposed And shaft composition, the shaft level is through conical drum and conical drum is driven to make to horizontally rotate in screen cylinder, the sieve Select the bottom of cylinder that the first surge drum, the second surge drum and third surge drum are set;
4th surge drum is set in the level-one screening plant, is formed by above the 4th surge drum and the first sieve Cavity connection.
As a further improvement of the present invention, the cone for being biased to second level screening plant is formed on the bottom of the level-one screening plant Material is imported the inside of conical drum by inclined tube by shape bottom tube, the taper bottom tube;
The screen cylinder configures partition close to one end of driving mechanism, and the partition is set on the inner ring of bearing, described One end that conical drum is relatively large in diameter is set on the outer ring of bearing, and the partition is equipped with and is connected to inclined tube and enters to for material Through-hole inside conical drum;
The second sieve is arranged in described lesser one end of conical drum diameter, and second sieve is located at the upper of third surge drum Side.
As a further improvement of the present invention, the conical drum includes: to configure along shaft extending direction axial shrinkage Multiple connecting rods are arranged in multiple vertical bars between the vertical bar and shaft, multiple connecting rods intersect at shaft, and configure built-in bearing Support base, the shaft run through support base, and the vertical bar supports and cover third sieve and the 4th sieve, third sieve position In the top of the first surge drum, the 4th sieve is located at the top of the second surge drum;
Wherein, the third sieve, the 4th sieve and the second sieve are respectively the metallic sieve that pore size filter successively successively decreases.
As a further improvement of the present invention, the stock grading screening plant further includes the lid being fastened at the top of feeding cylinder Plate;
The inner cylinder of eccentric setting built in the feeding cylinder, and stop in the first barrier plate of parallel oblique setting and second Plate, the third barrier plate for connecting and being vertical setting with cover board are tangent with the outer wall of cylinder and be arranged in parallel with third barrier plate The 4th barrier plate.
As a further improvement of the present invention, the length of first barrier plate is less than the length of second barrier plate, The first blanking channel that the bottom of second barrier plate extends to feeding cylinder bottom and connect with distributor.
As a further improvement of the present invention, the 5th for connecting and being vertical setting with cover board is arranged in the inside of the cylinder Barrier plate, the horizontal distance between the 5th barrier plate and the 4th barrier plate is at least the 4th barrier plate and third stops Twice of horizontal distance between plate.
As a further improvement of the present invention, the stock grading screening plant further includes and the air inducing that only connect with inner cylinder Machine, the air-introduced machine access the inside of inner cylinder by air inducing pipeline;The bottom setting of the inner cylinder is mutual with the first blanking channel Second blanking channel of separation.
As a further improvement of the present invention, the shaft horizontal cross runs through conical drum and screen cylinder, and extends Screen cylinder, the tip of the axis that turns are embedded in rotating bracket;
The rotating bracket is made of the spring bearing of the second support base and receiving shaft.
Compared with prior art, the beneficial effects of the present invention are: revealed a kind of stock grading screening through the invention Device, the material to a variety of different-grain diameters range contained in material for capableing of continuous batch carries out sizing screening, and improves The stock grading screening plant reliability of operation and sizing screening efficiency, and it is right during sizing screening to avoid material Secondary pollution caused by air.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of stock grading screening plant top half of the present invention;
Fig. 2 is a kind of structural schematic diagram of stock grading screening plant of the invention lower half portion;
Fig. 3 is the cross-sectional view of the line A-A along Fig. 1.
Specific embodiment
The present invention is described in detail for each embodiment shown in reference to the accompanying drawing, but it should be stated that, these Embodiment is not limitation of the present invention, those of ordinary skill in the art according to these embodiments made by function, method, Or equivalent transformation or substitution in structure, all belong to the scope of protection of the present invention within.
It is to be appreciated that in the present embodiment, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness Degree ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ", " diameter To ", " circumferential direction ", " positive direction ", the orientation or positional relationship of the instructions such as " negative direction " be orientation based on the figure or position Relationship is merely for convenience of description the technical program and simplifies description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to the technical program.
Join a kind of a kind of specific embodiment of stock grading screening plant of the revealed present invention of Fig. 1 to Fig. 3;Wherein, Fig. 1 and Fig. 2 are setting up and down on three-dimensional space, are connected by inclined tube 11, to collectively constitute the stock grading screening plant. The revealed stock grading screening plant of the present embodiment more particularly to particle size distribution range 1~20mm granular material Sizing screening is carried out, and the material being capable of handling includes but is not limited to metallic particles, grain, grass-seed, sandstone etc., and can be at least For filter out coarse granule, middle particle, three kinds of particle size ranges of fine grained material.It should be noted that in the present embodiment, slightly Granule materials, middle granule materials and fine granular materials be only in contrast, and can according to actual use need, according to this implementation The revealed stock grading screening plant of example isolates the more diversified material of particle size range, under concrete implementation mode is joined Shown in text.Meanwhile a kind of revealed stock grading screening plant of the present embodiment can not only operate the sizing screening of material, The various similar operations such as dehydration and desliming can also be executed.
It should be noted that Fig. 1 and Fig. 2 are the simplification representation of the stock grading screening plant, in practical manufacture It is all made of and is made with certain thickness plate or tubing in the process;Wherein, metal board can be used in tubing and plate It number is made of the stainless steel of SUS304 or more specification.
In the present embodiment, a kind of stock grading screening plant, comprising: feeding cylinder 2 connect with feeding cylinder 2 and is located at it The distributor of lower section, level-one screening plant 7 and second level screening plant.The top of feeding cylinder 2, which is arranged, is thrown to charging for material Opening in cylinder 2.The stock grading screening plant further includes the cover board 37 for being fastened on 2 top of feeding cylinder, to pass through the cover board 37 Removable cover closes the feeding cylinder 2.It is formed by opening at the top of feeding cylinder 2 as circle, and is adapted with circular cover board 37.In the object Classified screening device is expected in use, cover board 37 to be covered to the top opening of feeding cylinder 2, while by charging set on cover board 37 Pipe 1 conveys material to feeding cylinder 2.
Stock grading screening plant further includes passing through induced duct with the air-introduced machine 31 that only connect with inner cylinder 30, the air-introduced machine 31 The inside of the access of road 32 inner cylinder 30.The opening 321 and inner cylinder 30 of air inducing pipeline 32 are formed by internal cavity and are interconnected.Inner cylinder The second blanking channel 29 that 30 bottom setting is separated from each other with the first blanking channel 201.Second blanking channel 29 can with it is existing There is fiber bag precipitator mature in technology to be used cooperatively, is existed with eliminating the stock grading screening plant by fiber bag precipitator Generated fine dust when work causes secondary pollution to air to reduce.
Specifically, the feeding cylinder 2 can the frame (not shown) made of angle steel be fixed.More specifically, at this In embodiment, feed pipe 1 is located at the top of the first barrier plate 3 in vertical direction.Due to the first barrier plate 3 and the second barrier plate 4 between the upper and lower every, it is parallel and tilt down setting.The material of non-sizing screening from being fallen in feed pipe 1 on first barrier plate 3, And it slides downwards to the second barrier plate 4.Due to the first barrier plate 3 length less than the second barrier plate 4 length so that fall Material be not easy to be accumulated in feeding cylinder 2, significantly reduce granular material and be formed by angle of repose, so that particle The material of shape is more smooth to flow downward in feeding cylinder 2, to prevent set by 2 bottom of feed blocking feeding cylinder first to fall Expects pipe 201.Feeding cylinder 2 and inner cylinder 30 form an overall structure.
In conjunction with shown in Fig. 1 and Fig. 3, in the present embodiment, the inner cylinder 30 of eccentric setting built in the feeding cylinder 2, and in flat The first barrier plate 3 and the second barrier plate 4 of line tilt setting, the third barrier plate 38 for connecting and being vertical setting with cover board 37, It is tangent with the outer wall of cylinder 30 and with the 4th barrier plate 33 disposed in parallel of third barrier plate 38.The inside setting of cylinder 30 and lid Plate 37 connects and the 5th barrier plate 34 that is vertical setting, between the 5th barrier plate 34 and the 4th barrier plate 33 it is horizontal away from From twice of the horizontal distance between at least described 4th barrier plate 33 and third barrier plate 38.
In Fig. 3, arrow C institute in Fig. 3 (is joined in the whereabouts gap of third barrier plate 38 and the 4th barrier plate 33 formation strip Show).Meanwhile the width in gap shown by arrow E (along level side direction) is gap shown by arrow D (along level in Fig. 3 It is more than at least twice of width Fang Fangxiang), and most preferably three times.By such structure, so that entering in feeding cylinder 2 simultaneously The material being in granular form under the action of air-introduced machine 31 is formed by negative pressure gas flow so that material make in feeding cylinder 2 by a small margin, High-frequency collision further reduced granular material and be formed by angle of repose.
Especially, in embodiment, due to setting third barrier plate 38, the 4th barrier plate 33 and the 5th barrier plate 34, make Obtaining the biggish material of partial size (the usually material that partial size is greater than 1mm) can be fallen by gap shown by arrow C by first Material channel 201 is fallen in distributor, while making can in powdered particle (the usually material that partial size is less than 1mm) Third barrier plate 38, the 4th barrier plate 33 and the 5th barrier plate 34 are successively passed through round, and can pass sequentially through third blocking Under the action of plate 38 and the 4th barrier plate 33, it is effectively prevented partial size biggish particle air-flow is formed by by air-introduced machine 31 and inhale Draw, to enter in inner cylinder 30, so that the extremely subtle dust and fine particle in material only be made to filter out from material Come, the yield after improving stock grading screening.Finally, in the present embodiment, the bottom of the second barrier plate 4 extends to feeding cylinder 2 bottoms and the first blanking channel 201 being connect with distributor, by this structure, so that being formed by by air-introduced machine 31 negative Pressure gas stream isolates the surplus material after powdered particle to flowing at the first blanking channel 201.Meanwhile setting the 5th stops Plate 34 can be formed by negative pressure gas flow to air-introduced machine 31 by vertically disposed 5th barrier plate 34 and play segmentation and cutting Effect, and multiple vortex are formed in inner cylinder 30, to drive extremely subtle dust and fine particle to the second blanking channel It moves at 29, to prevent extremely subtle dust and fine particle from being aspirated by air-introduced machine 31, and is emitted into atmospheric environment. Certainly, filter screen (not shown) can be arranged in those skilled in the art in air inducing pipeline 32, extremely subtle further to prevent Dust and fine particle are aspirated by air-introduced machine 31, and are emitted into atmospheric environment, are reduced the stock grading screening plant and are being transported To secondary pollution caused by air when row.
In the present embodiment, the first sieve 8 and sieve plate 71 of 7 built-in skew of level-one screening plant arrangement, the sieve plate 71 are arranged in parallel with the first sieve 8, and connect the first collection device in the bottom of sieve plate 71, and the bottom of the sieve plate 71, which is formed, to be supplied Vibrating motor 9 is arranged in the top of the dropping channel 72 that material falls, level-one screening plant 7.Servo motor can be used in vibrating motor 9 Or alternating current generator and the technical solution for configuring eccentric wheel, whole driving level-one screening plant 7 are vibrated.
Second level screening plant includes: driving mechanism, screen cylinder 40 and is built in screen cylinder and in the drive of driving device It is dynamic to make the conical drum 22 horizontally rotated down, wherein it is different extremely that pore size filter is covered on the circular conical surface of the conical drum 22 Few two kinds of sieves.
In the present embodiment, which includes distributor 5 and is separately connected distributor 5 and level-one screening plant 7 Three distribution pipes and distribution pipe 61, distribution pipe 62 and distribution pipe 63.Distribution pipe 61, distribution pipe 62 and distribution pipe 63 are flexibility Pipeline, and the good rubber of weatherability can be used and be made.Using the technical approach of multiple distribution pipes, so that being fallen by distributor 5 Material into level-one screening plant 7 more uniformly is scattered on the first sieve 8, thus be conducive to large granular materials and its He carries out Separation by vibration by material.4th surge drum 28, the 4th surge drum 28 and the first sieve are set in level-one screening plant 7 8 tops are formed by cavity connection.The direction of large granular materials arrow B along Fig. 1 slides from the top of the first sieve 8 to the 4th In surge drum 28.The taper bottom tube 73 for being biased to second level screening plant is formed on the bottom of level-one screening plant 7.
Meanwhile first sieve 8 be arranged each other in parallel oblique with sieve plate 71, specifically, the first sieve 8 and sieve plate 71 and water The angle of plane is 15 degree.Due to setting be in tilted layout sieve plate 71, enable by the first sieve 8 screening after material edge Sieve plate 7 dropping channel 72 that falls for material formed from the bottom of sieve plate 71 with mode of vibration from fall to taper bottom tube 73, And it is slid into conical drum 22 by inclined tube 11 and carries out further sizing screening processing.Simultaneously as taper bottom tube 73 is inclined It is arranged to second level screening plant, the lesser material of partial size is not easy to accumulate in taper bottom tube 73, thus in certain journey The stock grading screening plant is improved on degree to the sizing screening effect of the material of different-grain diameter.
Further, in the present embodiment, the driving mechanism is by the rotating electric machine 12, the retarder 13, shaft coupling that are coaxially disposed Device 14 and shaft 21 form.Shaft 21 is horizontal to be run through conical drum 22 and the work level in screen cylinder 40 of conical drum 22 is driven to turn Dynamic, the first surge drum 17, the second surge drum 18 and third surge drum 19 is arranged in the bottom of screen cylinder 40.Screen cylinder 40 is in cylinder Shape, and be connected to the first surge drum 17, the second surge drum 18 and third surge drum 19, to pass through the first surge drum 17, second The material different from the difference collection cut size of third surge drum 19 of surge drum 18.
The taper bottom tube 73 for being biased to second level screening plant is formed on the bottom of level-one screening plant 7, and taper bottom tube 73 passes through oblique Material is imported the inside of conical drum 22 by pipe 11.Conical drum 22 includes: to configure along 21 extending direction axial shrinkage of shaft Multiple connecting rods 25 are arranged in multiple vertical bars 24 between vertical bar 24 and shaft 21, multiple connecting rods 25 intersect at shaft 21, and in configuration The first support base 26 of bearing is set, shaft 21 runs through the first support base 26, and vertical bar 24 supports and covers third sieve 27 and the 4th Sieve 23, third sieve 27 are located at the top of the first surge drum 17, and the 4th sieve 23 is located at the top of the second surge drum 18.Shaft 21 horizontal cross run through conical drum 22 and screen cylinder 40, and extend screen cylinder 40, and the end 218 of shaft 21, which is embedded, to be rotated On bracket.Multiple vertical bars 24 are formed by circular conical surface settable multiple stiffening rings being enclosed by angle steel or strip (not Show), to improve the structural strength of the conical drum 22.Specifically, in the present embodiment, the rotating bracket is by the second support base 224 and accommodate shaft 21 spring bearing 20 form.It should be noted that the revealed rotating electric machine 12 of the present embodiment, screening Cylinder 40 can the frame (not shown) made of angle steel be fixed.
In the present embodiment, the third sieve 27, the 4th sieve 23 are respectively that pore size filter is successively passed with the second sieve 222 The metallic sieve subtracted, to filter out different a variety of of particle size range by third sieve 27, the 4th sieve 23 and the second sieve 222 Material.Further, the first sieve 8 mentioned by the present embodiment, 222 institute of third sieve 27, the 4th sieve 23 and the second sieve The sieve pore of formation can be round, square, rectangle or diamond shape or other shapes, and the first sieve 8 is formed by sieve pore Aperture be 10~20mm, the aperture that third sieve 27 is formed by sieve pore is 8~9mm, and the 4th sieve 23 is formed by sieve pore Aperture be 4~7mm, the second sieve 222 be formed by sieve pore aperture be 1~3mm.
Applicant is it is to be particularly noted that a kind of revealed stock grading screening plant of the present embodiment is only a kind of Exemplary explanation in actual use can be to the first sieve 8, third sieve 27, the 4th sieve 23 and the second sieve 222 It is formed by sieve pore to be adjusted, to form other different sizes of screening aperture from large to small, and at visual screening to be fractionated Depending on the type and property of the material of reason.
Screen cylinder 40 is whole to accommodate the conical drum 22, and configures partition 221, partition in one end close to driving mechanism 221 are set on the inner ring of bearing 16, and partition 221 is circle, and the outer edge of specially partition 221 is set in the interior of bearing 16 On circle;One end that conical drum 22 is relatively large in diameter is set on the outer ring of bearing 16, and partition 221 is equipped with and is connected to and supplies with inclined tube 11 Material enters to the through-hole inside conical drum 22.It opens up and is connected to inclined tube 11 and for defeated to conical drum 22 on partition 221 Enter the through-hole (not shown) of material.By above structure, so that driving motor 12 drives conical drum 22 to make in the horizontal direction When pivoting action, partition 221 is remain stationary, and rotates conical drum 22.
As shown in Fig. 2, the side of material arrow B ' along Fig. 2 after level-one screening plant 7 carries out preliminary sizing screening In the internal cavity for being formed by truncated cone-shaped inside to slide-in conical drum 22.22 diameter of conical drum lesser one end setting the Two sieves 222, second sieve 222 are located at the top of third surge drum 19.Driving of the conical drum 22 in rotating electric machine 12 Under, it is rotated by the whole multiple vertical bars 24 of driving of shaft 21, partition 221 around shaft 21, so that being located at cone Material inside shape roller 22 constantly rotates, and through third sieve 27, the 4th sieve 23 and the second sieve 222, with respectively It falls in the first surge drum 17, the second surge drum 18 and third surge drum 19.Meanwhile the first support base 26 and connecting rod are set 25, so that the conical drum 22 is more smooth when moving pivotally around shaft 21 and reliable.Simultaneously as conical drum 22 Close to partition 221 one end it is larger, and far from partition 221 one end it is smaller so that the lesser material of partial size can from It is got rid of step by step under the action of mental and physical efforts at the second sieve 222 and being thrown away the material for meeting the second sieve 222 screening partial size Conical drum 22, and finally fall in third surge drum 19.
Revealed a kind of stock grading screening plant through this embodiment, be capable of continuous batch to contained in material A variety of different-grain diameter ranges material carry out sizing screening, and improve the stock grading screening plant reliability of operation with Sizing screening efficiency, and material is avoided during sizing screening to secondary pollution caused by air.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention Or change should all be included in the protection scope of the present invention.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (10)

1. a kind of stock grading screening plant characterized by comprising
Feeding cylinder (2), the distributor for connecting and being disposed below with feeding cylinder (2), level-one screening plant (7) and second level screening Device;
The first sieve (8) and sieve plate (71) of level-one screening plant (7) the built-in skew arrangement, the sieve plate (71) and first Sieve (8) is arranged in parallel, and connects the first collection device in the bottom of sieve plate (71), and the bottom of the sieve plate (71) is formed for object Expect the dropping channel (72) to fall, vibrating motor (9) are arranged in the top of the level-one screening plant (7);
The second level screening plant includes: driving mechanism, screen cylinder (40) and is built in screen cylinder and in driving device The conical drum (22) horizontally rotated is made down in driving, wherein covers pore size filter not on the circular conical surface of the conical drum (22) At least two same sieves.
2. stock grading screening plant according to claim 1, which is characterized in that the distributor includes distributor (5) and several distribution pipes of distributor (5) Yu level-one screening plant (7) are separately connected, the distribution pipe is flexible duct.
3. stock grading screening plant according to claim 1, which is characterized in that the driving mechanism is by being coaxially disposed Rotating electric machine (12), retarder (13), shaft coupling (14) and shaft (21) composition, the shaft (21) is horizontal to run through conical drum (22) and conical drum (22) is driven to make to horizontally rotate in screen cylinder (40), the bottom setting first of the screen cylinder (40) is received Collect cylinder (17), the second surge drum (18) and third surge drum (19);
4th surge drum (28) is set in the level-one screening plant (7), on the 4th surge drum (28) and the first sieve (8) Side is formed by cavity connection.
4. stock grading screening plant according to claim 3, which is characterized in that the bottom of the level-one screening plant (7) Portion forms the taper bottom tube (73) for being biased to second level screening plant, and material is imported by inclined tube (11) and bored by the taper bottom tube (73) The inside of shape roller (22);
The screen cylinder (40) configures partition (221) close to one end of driving mechanism, and the partition (221) is set in bearing (16) Inner ring on, one end that the conical drum (22) is relatively large in diameter is set on the outer ring of bearing (16), and the partition (221) sets Have and is connected to inclined tube (11) and enters to the internal through-hole of conical drum (22) for material;
The lesser one end setting the second sieve (222) of conical drum (22) diameter, second sieve (222) are located at third The top of surge drum (19).
5. stock grading screening plant according to claim 4, which is characterized in that the conical drum (22) includes: edge Multiple vertical bars (24) of shaft (21) extending direction axial shrinkage configuration, are arranged multiple between the vertical bar (24) and shaft (21) Connecting rod (25), multiple connecting rods (25) intersect at shaft (21), and configure the first support base (26) of built-in bearing, the shaft (21) run through the first support base (26), the vertical bar (24) supports and covers third sieve (27) and the 4th sieve (23), described Third sieve (27) is located at the top of the first surge drum (17), and the 4th sieve (23) is located at the upper of the second surge drum (18) Side;
Wherein, the third sieve (27), the 4th sieve (23) and the second sieve (222) are respectively that pore size filter successively successively decreases Metallic sieve.
6. stock grading screening plant according to any one of claim 1 to 5, which is characterized in that the stock grading Screening plant further includes the cover board (37) being fastened at the top of feeding cylinder (2);
The inner cylinder (30) of eccentric setting built in the feeding cylinder (2), and the first barrier plate (3) and the in parallel oblique setting Two barrier plates (4), the third barrier plate (38) for connecting and being vertical setting with cover board (37) are tangent simultaneously with the outer wall of cylinder (30) With third barrier plate (38) the 4th barrier plate (33) disposed in parallel.
7. stock grading screening plant according to claim 6, which is characterized in that the length of first barrier plate (3) Less than the length of second barrier plate (4), the bottom of second barrier plate (4) extend to feeding cylinder (2) bottom and with point The first blanking channel (201) with device connection.
8. stock grading screening plant according to claim 6, which is characterized in that the setting of the inside of the cylinder (30) with Cover board (37) connects and the 5th barrier plate (34) that is vertical setting, the 5th barrier plate (34) and the 4th barrier plate (33) it Between horizontal distance be at least twice of the horizontal distance between the 4th barrier plate (33) and third barrier plate (38).
9. stock grading screening plant according to claim 8, which is characterized in that the stock grading screening plant also wraps The air-introduced machine (31) for including and only connecting with inner cylinder (30), the air-introduced machine (31) pass through air inducing pipeline (32) access inner cylinder (30) It is internal;The second blanking channel (29) that the bottom setting of the inner cylinder (30) is separated from each other with the first blanking channel (201).
10. stock grading screening plant according to claim 3, which is characterized in that shaft (21) horizontal cross is passed through Conical drum (22) and screen cylinder (40) are worn, and extends screen cylinder (40), the end of the shaft (21) is embedded in rotation branch On frame;
The rotating bracket is made of the spring bearing (20) of the second support base (224) and receiving shaft (21).
CN201910771341.1A 2019-08-21 2019-08-21 A kind of stock grading screening plant Withdrawn CN110404775A (en)

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Application Number Priority Date Filing Date Title
CN201910771341.1A CN110404775A (en) 2019-08-21 2019-08-21 A kind of stock grading screening plant

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Application Number Priority Date Filing Date Title
CN201910771341.1A CN110404775A (en) 2019-08-21 2019-08-21 A kind of stock grading screening plant

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114602785A (en) * 2022-04-21 2022-06-10 海南大学 A reducing drum sieve for plant fiber is selected separately
CN116355725A (en) * 2023-03-07 2023-06-30 广州市艾贝泰生物科技有限公司 Distributor, distributing device and distributing method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114602785A (en) * 2022-04-21 2022-06-10 海南大学 A reducing drum sieve for plant fiber is selected separately
CN116355725A (en) * 2023-03-07 2023-06-30 广州市艾贝泰生物科技有限公司 Distributor, distributing device and distributing method
CN116355725B (en) * 2023-03-07 2024-04-05 广州市艾贝泰生物科技有限公司 Distributor, distributing device and distributing method

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