CN109701703B - Construction waste crushing and screening device and screening method thereof - Google Patents
Construction waste crushing and screening device and screening method thereof Download PDFInfo
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- CN109701703B CN109701703B CN201910060892.7A CN201910060892A CN109701703B CN 109701703 B CN109701703 B CN 109701703B CN 201910060892 A CN201910060892 A CN 201910060892A CN 109701703 B CN109701703 B CN 109701703B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
Abstract
The invention provides a construction waste crushing and screening device and a screening method thereof, wherein the screening device comprises the following steps: the base is provided with a supporting rod; the crushing box is used for receiving the construction waste and crushing the construction waste, is arranged above the base and is fixed with the supporting rod; the top of the first screening box is communicated with the bottom of the crushing box to receive the construction waste from the crushing box, a bottom plate is formed at the bottom of the first screening box, a screening disc is arranged on the bottom plate and horizontally rotates on the bottom plate, and the construction waste flows out of the bottom plate through screening of the screening disc; the second screening case, the top with first screening case intercommunication, be equipped with the filter screen in the second screening case in order to screen and come from the construction waste of first screening case, the second screening case will pass through construction waste after the filter screen screening is carried to the collecting vat in, the collecting vat is located on the base. The device has good crushing effect and high working efficiency.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a building waste smashing and screening device and a screening method thereof.
Background
With the development of society and technology, more and more buildings are built, and in the building process, more and more building wastes are generated. The construction waste is slag soil, waste materials, residual mud and other wastes generated in the process of constructing various buildings; the construction waste is not helpful to the construction itself, but is a substance generated in the construction process, so that the construction waste needs to be treated correspondingly, the ideal construction project construction can be achieved, part of construction waste is large in size, the construction waste needs to be crushed before transportation, and the construction waste is crushed into small particle materials, so that the construction waste can be transported and stored conveniently. At present, the crushing device is poor in crushing effect, needs to circularly crush, reduces the working efficiency, and also is insufficient in screening due to accumulation in the screening process, and needs to stop adding waste for screening, so that the working efficiency is reduced; and the large-particle-size construction waste is possibly doped with the insufficiently screened small-particle-size construction waste, so that the screening effect is affected.
Disclosure of Invention
In view of the above, the invention provides a construction waste crushing and screening device and a screening method thereof, which solve the technical problems that the traditional crushing device is poor in crushing effect, needs to circularly crush and is low in working efficiency, and in the screening process, the waste is not sufficiently screened due to accumulation of the waste, and the addition of the waste is stopped for screening, so that the working efficiency is further reduced.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: provided is a construction waste crushing and screening device, comprising:
the crushing box is used for receiving the construction waste and crushing the construction waste, is arranged above the base and is fixed with the supporting rod;
the top of the first screening box is communicated with the bottom of the crushing box to receive construction waste from the crushing box, a bottom plate is formed at the bottom of the first screening box, a first discharge hole is formed in the bottom plate, a screening disc is arranged on the bottom plate and driven by a first motor to horizontally rotate on the bottom plate, screening holes are formed in the screening disc and communicated with the first discharge hole, and construction waste on the screening disc flows out from the screening holes and the first discharge hole;
the second screening case, the top with the first discharge gate intercommunication of first screening case, be equipped with the filter screen in the second screening case in order to screen and come from the construction waste of first screening case, the second screening case will pass through construction waste after the filter screen filters carries first collecting vat and second collecting vat in, first collecting vat and second collecting vat are located on the base.
In the embodiment of the invention, the crushing box is in an inverted cone shape, two sides of the crushing box are respectively provided with a second motor, the output shafts of the second motors are respectively fixedly connected with crushing blades for crushing the construction waste, and the crushing blades on the output shafts are arranged in the crushing box in a staggered manner.
In the embodiment of the invention, the bottom plate of the screening disc is provided with the shaft hole, and the output shaft of the first motor penetrates through the shaft hole to be in driving connection with the screening disc.
In the embodiment of the invention, the box body of the first screening box is connected with a first vibrator so as to vibrate the first screening box.
In the embodiment of the invention, a sliding block is sleeved on the supporting rod, a cross rod is connected between the sliding block and the first screening box, the cross rod receives the vibration force of the first vibrator and transmits the vibration force to the sliding block, and the sliding block moves up and down along the supporting rod.
In the embodiment of the invention, the support rod is sleeved with the damping spring, one end of the damping spring is fixed with the sliding block, the other end of the damping spring is provided with the baffle, and the baffle is fixed with the support rod.
In the embodiment of the invention, the top of the first screening box is communicated with the crushing box through a first telescopic pipe, the bottom of the first screening box is communicated with the top of the second screening box through a second telescopic pipe, the number of the second telescopic pipes is two, and the number of the second screening boxes is two.
In the embodiment of the invention, elastic telescopic components are respectively fixed on two opposite sides of the filter screen, the elastic telescopic components are vertically arranged in the second screening box, and a second vibrator is arranged at the bottom of the filter screen so that the filter screen can move up and down along the elastic telescopic components under the action of the second vibrator.
In the embodiment of the invention, the elastic telescopic component comprises two slide bars which are oppositely arranged, springs are respectively sleeved on the two slide bars, connecting plates are respectively fixed on the springs, the connecting plates are fixed with the filter screen, and a second vibrator at the bottom of the filter screen drives the filter screen to move up and down along the two slide bars.
In the embodiment of the invention, a bottom discharge hole is formed in the bottom of the second screening box, a side discharge hole is formed in the side wall of the second screening box, construction waste in the second screening box passes through the filter screen and is conveyed into the first collecting tank from the bottom discharge hole, and construction waste left on the filter screen is conveyed into the second collecting tank from the side discharge hole.
The invention also provides a screening method using the construction waste crushing and screening device, which comprises the following steps:
s1: adding construction waste into the crushing box, wherein the construction waste is crushed in the crushing box and falls down to the first screening box;
s2: building waste entering the first screening box rotates along with the screening disc and falls from the screening holes onto the filter screen of the second screening box;
s3: and collecting the construction waste after screening by the filter screen into the first collecting tank and the second collecting tank.
The invention adopts the technical proposal, which has the following beneficial effects:
(1) The utility model provides a building waste is added smash the incasement, smash the blade crisscross rotation of smashing on the output shaft through the second motor and fully smash the building waste that will add, the building waste after smashing gets into through first flexible pipe first screening case, along with the rotation of screening dish reaches the vibration of first vibrator, the building waste of different particle diameter sizes on the screening dish is jolt the layering, the building waste warp screening hole with the second screening incasement of below is added to first discharge gate discontinuity carries out abundant screening, through the vibration of second vibrator in the second screening incasement, can further improve the screening effect of filter screen.
(2) According to the invention, large-grain-size building waste and small-grain-size building waste can be effectively layered through vibration of the first vibrator, the arrangement of the speed reducer is beneficial to prolonging the residence time of the building waste on the screening tray, so that the building waste with different grain sizes can be fully layered under the action of the first vibrator, the impact of the building waste flowing out of the first telescopic pipe on the screening tray can be relieved through the arrangement of the damping springs, the first discharge holes are relatively arranged on two sides of the bottom plate, the building waste on the screening tray can be uniformly dropped into the second screening box, the weight imbalance of the screening tray is prevented, the screening efficiency is improved, the arrangement of the first discharge holes can effectively prevent too much crushed building waste from being added into the second screening box, the screening is insufficient due to accumulation, and the working efficiency is influenced if the adding of the waste is stopped.
Drawings
Fig. 1 is a schematic structural view of the construction waste screening apparatus of the present invention.
Fig. 2 is an enlarged partial schematic view of the elastically telescoping assembly of the present invention.
The correspondence of the reference numerals with the components is as follows:
a base 1; a support rod 11; a first rail 12; a second cross bar 13; a pulverizing box 2; a third feed port 20; a feed hopper 201; a second motor 21; a crushing blade 22; a rotating block 23; a third outlet 24; a first telescopic tube 25; a first screening box 3; a first feed port 30; a bottom plate 31; a first discharge port 310; a screening tray 32; screening holes 320; a first motor 33; a U-shaped groove 34; a speed reducer 35; a first vibrator 36; a slider 37; a damper spring 38; a baffle 39; a second screening box 4; a second feed port 40; a filter screen 41; a second telescopic tube 42; a second vibrator 43; an elastic telescoping assembly 44; a slide bar 441; a spring 442; a connection plate 443; a bottom discharge port 45; side discharge port 46; a first collection tank 5; a second collection tank 6; hopper slot 7.
Description of the embodiments
In order to facilitate the understanding of the present invention, the following description is provided with reference to the drawings and examples.
Referring to fig. 1, the invention provides a construction waste crushing and screening device, which comprises a base 1, a crushing box 2, a first screening box 3 and a second screening box 4, wherein a supporting rod 11 is arranged on the base 1; the crushing box 2 receives the construction waste and crushes the construction waste, the crushing box 2 is arranged above the base 1, and a first cross rod 12 is fixed between the crushing box 2 and the supporting rod 11; the top of the first screening box 3 is provided with a first feed inlet 30, the first feed inlet 30 is communicated with the bottom of the crushing box 2 to receive construction waste from the crushing box 2, a bottom plate 31 is formed at the bottom of the first screening box 3, a first discharge outlet 310 is formed on the bottom plate 31, a screening disc 32 is arranged on the bottom plate 31, the screening disc 32 is driven by a first motor 33 to horizontally rotate on the bottom plate 31, a screening hole 320 is formed in the screening disc 32, the screening hole 320 is communicated with the first discharge outlet 310, and the construction waste on the screening disc 32 flows out from the screening hole 320 and the first discharge outlet 310; the top of second screening case 4 is equipped with second feed inlet 40, second feed inlet 40 with the first discharge gate 310 intercommunication of first screening case 3, be equipped with filter screen 41 in the second screening case 4 in order to screen and come from the construction waste of first screening case 3, second screening case 4 will pass through in the construction waste after the filter screen 41 filters first collecting vat 5 and second collecting vat 6, first collecting vat 5 and second collecting vat 6 are located on the base 1.
In the embodiment of the present invention, two opposite support rods 11 are provided on the base 1, and the two support rods 11 are respectively provided on two opposite sides of the crushing box 2 to fix two sides of the crushing box 2, thereby improving stability of the crushing box 2.
In the embodiment of the invention, the crushing box 2 is in an inverted cone shape, and the inverted cone design is beneficial to the construction waste entering the first screening box 3 from the crushing box 2; a third feeding port 20 is formed in the top of the crushing box 2, and preferably, a feeding funnel 201 is arranged on the third feeding port 20; the two opposite side walls of the crushing box 2 are respectively provided with a second motor 21, an output shaft of each second motor 21 penetrates through the side wall and stretches into the crushing box 2, a plurality of crushing blades 22 for crushing the construction waste are fixedly connected to the output shafts respectively, the crushing blades 22 are distributed at intervals along the extending direction of the output shafts, and each crushing blade 22 is perpendicular to the output shafts; preferably, the crushing blades 22 on the output shaft are staggered to improve crushing efficiency; preferably, a rotating block 23 is fixed on the output shaft of the second motor 21, the rotating block 23 is embedded in the side wall of the crushing box 2, and the rotating block 23 rotates along with the rotation of the output shaft. In the embodiment of the present invention, the second motor 21 is disposed on the first cross bar 12; the third discharge gate 24 has been seted up to the bottom of smashing case 2, the third discharge gate 24 with first feed inlet 30 is through first flexible pipe 25 intercommunication, through control smash the operational parameter of blade 22, the process smash the blade 22 after the construction waste can pass through smoothly first flexible pipe 25 with screening hole 320 to prevent that the construction waste of big particle diameter from being in the screening tray 32 is backlogged and is influenced the going on of screening work.
In the embodiment of the invention, the first screening box 3 is cylindrical; the bottom plate 31 of the first screening box 3 is provided with a shaft hole 311, and the output shaft of the first motor 33 passes through the shaft hole 311 and is in driving connection with the screening disc 32. A U-shaped groove 34 is fixed at the bottom of the first screening box 3, and the first motor 33 is arranged in the U-shaped groove 34; preferably, a speed reducer 35 is provided on the output shaft of the first motor 33 to control the rotation speed of the output shaft of the first motor 33, so as to prolong the residence time of the construction waste on the screening disc 32, and to be fully vibrated and layered under the action of the first vibrator 36.
In the embodiment of the present invention, the number of the screening holes 320 is one, the number of the first discharge holes 310 is two, the diameter of the screening holes 320 is the same as the diameter of the first discharge holes 310, the first discharge holes 310 are disposed on two opposite sides of the bottom plate 31, the screening tray 32 is communicated with the first discharge holes 310 during rotation, the construction waste falls from the first discharge holes 310, the two first discharge holes 310 are arranged to enable the construction waste on the screening tray 32 to fall into the second screening box 4 uniformly, so as to prevent the weight of the screening tray 32 from being unbalanced, and improve the screening efficiency, and the arrangement of the plurality of first discharge holes 310 can effectively avoid too much crushed construction waste from being added into the second screening box 4, so that the screening is insufficient due to accumulation, and the working efficiency is affected if the addition of the waste is stopped.
As a preferred embodiment of the present invention, the first vibrator 36 is connected to the box body of the first screening box 3 to vibrate the first screening box 3 and the construction waste in the first screening box 3, so as to improve the screening efficiency and the screening effect of the construction waste. In the present invention, a second cross bar 13 is fixed between the two sides of the first screening box 3 and the supporting bars 11, and the first vibrator 36 is fixed on the second cross bar 13.
Preferably, the support rod 11 is sleeved with a slider 37, the slider 37 is connected with the second cross rod 13, and the second cross rod 13 receives the vibration force of the first vibrator 36 and transmits the vibration force to the slider 37, so that the slider 37 moves up and down along the support rod 11. Preferably, the support rod 11 is sleeved with a damping spring 38, one end of the damping spring 38 is fixed with the sliding block 37, the other end of the damping spring 38 is provided with a baffle 39, and the baffle 39 is fixed with the support rod 11. In the embodiment of the present invention, the number of the damping springs 38 is two, and the damping springs are respectively disposed at the top end and the bottom end of the slider 37, and the number of the baffles 39 is two.
In the embodiment of the present invention, the first outlet 30 of the first screening box 3 is communicated with the second inlet 40 of the second screening box 4 through a second telescopic pipe 42.
Preferably, a second vibrator 43 is arranged at the bottom of the filter screen 41, elastic telescopic components 44 are respectively fixed at two opposite sides of the filter screen 41, the elastic telescopic components 44 are vertically arranged in the second screening box 4, and the filter screen 41 moves up and down along the elastic telescopic components 44 under the action of the second vibrator 43; the second vibrator 43 jolts the construction waste on the filter screen 41 by vibrating, which is advantageous for improving the screening effect and the screening efficiency.
Specifically, as shown in fig. 2, the elastic telescopic assembly 44 includes two sliding rods 441 disposed opposite to each other, springs 442 are respectively sleeved on the two sliding rods 441, connecting plates 443 are respectively fixed on the springs 442, the connecting plates 443 are fixed with the filter screen 41, and the second vibrator 43 at the bottom of the filter screen 41 drives the filter screen 41 to move up and down along the sliding rods 441. A bottom discharge hole 45 is formed in the bottom of the second screening box 4, a side discharge hole 46 is formed in the side wall of the second screening box 4, construction waste in the second screening box 4 passes through the filter screen 41 and is conveyed into the first collecting tank 5 from the bottom discharge hole 45, and construction waste left on the filter screen 41 is conveyed into the second collecting tank 6 from the side discharge hole 46; in the embodiment of the present invention, the number of the second telescopic tubes 42 is two, and the second screening box 4 has two groups. Preferably, the side discharge ports 46 of the two second screening boxes 4 are arranged oppositely, and the construction waste in the two second screening boxes 4 which is not filtered by the filter screen 41 flows out from the side discharge ports 46 into the second collecting tank 6; preferably, a hopper tank 7 is arranged between the second collecting tank 6 and the side discharging port 46, and construction waste flows into the second collecting tank 6 from the hopper tank 7; preferably, the filter screen 41 is inclined by controlling the height of the connection plate 443 on the spring 442, so that the construction waste falls from the height of the filter screen 41 to the side discharge port 46 by using the self gravity and the vibration of the second vibrator 43.
The construction waste screening apparatus of the present invention is specifically described above, and the working method thereof is described below.
The first vibrator 36, the first motor 33, the second motor 21 and the second vibrator 43 are electrically connected with a power supply and are opened by a switch, building waste is added into the crushing box 2 from the feeding funnel 201, two crushing blades 22 on an output shaft driven by the second motor 21 are staggered and rotated, the added building waste is fully crushed through staggered and rotated among the crushing blades 13, the crushed building waste enters the first screening box 3 through a third discharge hole 24 and a first telescopic pipe 25 at the bottom of the crushing box 2, the first vibrator 36 on the first cross rod 12 drives a sliding block 37, slides on a supporting rod 11 under the buffering of a spring 38, then the first screening box 3 slides up and down synchronously, simultaneously, the second motor 21 drives a screening disc 32 to rotate slowly after being slowed down through a speed reducer 35, the crushed building waste in the first screening box 3 passes through a screening hole 320 and a first discharge hole 310 in the rotating process, then the crushed building waste is intermittently added into a second telescopic pipe 42 at the lower part, the crushed building waste enters the second screening box 4 through the second telescopic pipe 42, the second telescopic pipe enters the second screening box 4, the second filter screen 4 passes through the second telescopic pipe 4 and then enters the filtering net 46 from the side of the second screening box 4, the second filter screen 4 passes through the side of the sliding rod 46, the second filter screen 46 is fully enters the filtering net 46, and the filtering net 46 is fully, and the particles enter the filtering net 46 at the side of the second filter screen 4 through the side of the second filter screen 4, and the filtering net is fully filtered by the side of the filtering net 4, and the filtering particles enter the filtering net 4 is completely enters the filtering net 4 through the filtering hole is subjected to the filtering net 4. Through the slow rotation of screening tray 31 like this, with the building waste intermittent type after smashing in adding the different second screening case 4 of below, can effectually avoid adding too many building waste after smashing in the second screening case 4, because pile up and make the screening insufficient, if stop adding the waste material and carry out the screening, can influence work efficiency again, so this device is equipped with two second screening cases 4 and intermittent type and adds, not only can effectively carry out the screening, work efficiency is also high moreover.
The present invention has been described in detail with reference to the drawings and embodiments, and one skilled in the art can make various modifications to the invention based on the above description. Accordingly, certain details of the illustrated embodiments are not to be taken as limiting the invention, which is defined by the appended claims.
Claims (8)
1. A construction waste crushing and screening device, comprising:
the base is provided with a supporting rod;
the crushing box is used for receiving the construction waste and crushing the construction waste, is arranged above the base and is fixed with the supporting rod;
the top of the first screening box is communicated with the bottom of the crushing box to receive construction waste from the crushing box, a bottom plate is formed at the bottom of the first screening box, a first discharge hole is formed in the bottom plate, a screening disc is arranged on the bottom plate and driven by a first motor to horizontally rotate on the bottom plate, screening holes are formed in the screening disc and communicated with the first discharge hole, and construction waste on the screening disc flows out from the screening holes and the first discharge hole;
the top of the second screening box is communicated with the first discharge hole of the first screening box, a filter screen is arranged in the second screening box to screen construction waste from the first screening box, the second screening box conveys the construction waste screened by the filter screen into a first collecting tank and a second collecting tank, and the first collecting tank and the second collecting tank are arranged on the base;
the number of the screening holes is one, the number of the first discharge holes is two, the diameter of the screening holes is the same as that of the first discharge holes, and the first discharge holes are arranged on two opposite sides of the bottom plate;
the crushing box is in an inverted cone shape, two sides of the crushing box are respectively provided with a second motor, the output shafts of the second motors are respectively fixedly connected with crushing blades for crushing the construction waste, and the crushing blades on the output shafts are arranged in the crushing box in a staggered manner;
the top of first screening case with smash through first flexible pipe intercommunication between the case, the bottom of first screening case with the top of second screening case is through the flexible pipe intercommunication of second, the quantity of flexible pipe of second is two, the quantity of second screening case is two.
2. The construction waste crushing and screening device according to claim 1, wherein a shaft hole is formed in a bottom plate of the screening disc, and an output shaft of the first motor penetrates through the shaft hole to be in driving connection with the screening disc.
3. The construction waste crushing and screening device according to claim 1, wherein a first vibrator is connected to the body of the first screening box to vibrate the first screening box, a slide block is sleeved on the support rod, a cross rod is connected between the slide block and the first screening box, the cross rod receives the vibration force of the first vibrator and transmits the vibration force to the slide block, and the slide block moves up and down along the support rod.
4. The construction waste crushing and screening device according to claim 3, wherein the support rod is sleeved with a damping spring, one end of the damping spring is fixed with the sliding block, the other end of the damping spring is provided with a baffle, and the baffle is fixed with the support rod.
5. The construction waste crushing and screening device according to claim 1, wherein elastic telescopic assemblies are respectively fixed on two opposite sides of the filter screen, the elastic telescopic assemblies are vertically arranged in the second screening box, and a second vibrator is arranged at the bottom of the filter screen so that the filter screen can move up and down along the elastic telescopic assemblies under the action of the second vibrator.
6. The construction waste crushing and screening device according to claim 5, wherein the elastic telescopic assembly comprises two sliding rods which are oppositely arranged, springs are respectively sleeved on the two sliding rods, connecting plates are respectively fixed on the springs, the connecting plates are fixed with the filter screen, and the second vibrator at the bottom of the filter screen drives the filter screen to move up and down along the two sliding rods.
7. The construction waste crushing and screening device according to claim 6, wherein a bottom discharge port is formed in the bottom of the second screening box, a side discharge port is formed in the side wall of the second screening box, construction waste in the second screening box passes through the filter screen and is conveyed from the bottom discharge port to the first collecting tank, and construction waste left on the filter screen is conveyed from the side discharge port to the second collecting tank.
8. A screening method using the construction waste crushing and screening apparatus according to any one of claims 1 to 7, characterized by comprising the steps of:
s1: adding construction waste into the crushing box, wherein the construction waste is crushed in the crushing box and falls down to the first screening box;
s2: building waste entering the first screening box rotates along with the screening disc and falls from the screening holes onto the filter screen of the second screening box;
s3: and collecting the construction waste after screening by the filter screen into the first collecting tank and the second collecting tank.
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| CN201910060892.7A CN109701703B (en) | 2019-01-23 | 2019-01-23 | Construction waste crushing and screening device and screening method thereof |
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| CN201910060892.7A CN109701703B (en) | 2019-01-23 | 2019-01-23 | Construction waste crushing and screening device and screening method thereof |
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| CN109701703A CN109701703A (en) | 2019-05-03 |
| CN109701703B true CN109701703B (en) | 2023-06-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110314747A (en) * | 2019-08-12 | 2019-10-11 | 黄基华 | A kind of powder chemicals screening plant with crushing function |
| CN110898977B (en) * | 2019-12-17 | 2021-04-23 | 安徽省瀚辰生态建设有限公司 | Sieving mechanism is smashed to amplitude adjustable construction waste |
| CN112221629B (en) * | 2020-09-10 | 2022-04-22 | 嘉善县鸿翔资源再生利用有限公司 | Building solid waste retrieves regeneration with mixing material system |
| CN112718796B (en) * | 2020-12-15 | 2021-11-16 | 深圳市卓域环保科技有限公司 | Building muck utilization device |
| CN112718124B (en) * | 2020-12-29 | 2023-01-17 | 中一达建设集团有限公司 | Civil engineering construction waste treatment device |
| CN115415031B (en) * | 2022-07-25 | 2024-03-22 | 日照贝安木业有限公司 | Wood processing and collecting equipment and using method thereof |
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| AU568392B2 (en) * | 1983-08-08 | 1987-12-24 | R.A Couche & Associates Pty. Ltd. | Improved screening device |
| NZ211273A (en) * | 1984-03-08 | 1986-09-10 | Ebara Corp | Municipal waste pulverising machine with rotating screen and brush type dust seals |
| CN101987309A (en) * | 2009-08-04 | 2011-03-23 | 常熟日新机械有限公司 | Solid waste crushing device |
| US8727182B2 (en) * | 2011-02-24 | 2014-05-20 | The Procter & Gamble Company | Feeder for particle delivery |
| CN107744852A (en) * | 2017-11-14 | 2018-03-02 | 成都华西天然药物有限公司 | A kind of medicine crushing and screening device |
| CN207951942U (en) * | 2017-12-13 | 2018-10-12 | 广昌莲香食品有限公司 | A kind of spin vibration sieve for lotus root starch production |
| CN207763359U (en) * | 2018-01-11 | 2018-08-24 | 石家庄市永昌兽药有限公司 | A kind of medicine particle granulation drying device |
| CN108855470A (en) * | 2018-06-25 | 2018-11-23 | 合肥亚卡普机械科技有限公司 | Lithium ion battery negative material granulation screening integrated apparatus |
| CN210022362U (en) * | 2019-01-23 | 2020-02-07 | 中国建筑第八工程局有限公司 | Construction waste crushing and screening device |
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