CN112691893A - Multistage screening equipment is used in recycled concrete processing - Google Patents
Multistage screening equipment is used in recycled concrete processing Download PDFInfo
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- CN112691893A CN112691893A CN202011451332.3A CN202011451332A CN112691893A CN 112691893 A CN112691893 A CN 112691893A CN 202011451332 A CN202011451332 A CN 202011451332A CN 112691893 A CN112691893 A CN 112691893A
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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
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
- B07B1/24—Revolving drums with fixed or moving interior agitators
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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
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0002—Castors in general; Anti-clogging castors assembling to the object, e.g. furniture
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- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses multistage screening equipment for processing recycled concrete, which comprises a movable base, a primary screening device, a secondary screening device, a tertiary screening device, a fine material storage device and a hopper, wherein the movable base is provided with a first screening device and a second screening device; the fine material storage device comprises a fine material storage box and a first feeding mechanism. According to the invention, the primary screening device, the secondary screening device and the tertiary screening device are arranged, so that the regenerated materials with different sizes can be conveniently and rapidly distinguished, and the working efficiency is higher; the first/second fine material collecting groove is provided with the corresponding first/second fine material filtering net, so that fine materials can be separated from the materials step by step, the screening amount of the next-stage screening device is reduced, and energy is saved; the corresponding spiral guide vanes are arranged in the corresponding screening barrels, so that the gliding speed of the regenerated materials is conveniently limited, and the filtering efficiency is improved; through set up respective groove that gathers materials under every screening section of thick bamboo, conveniently collect the material after the screening to with different material water conservancy diversion to different places.
Description
Technical Field
The invention belongs to the technical field of recycled concrete processing, and particularly relates to multistage screening equipment for recycled concrete processing.
Background
The regenerated concrete is prepared by crushing, cleaning and grading the waste regenerated material, mixing with the grade according to a certain proportion, partially or completely replacing natural sand stones and the like, and adding cement, water and the like.
The screening device for the recycled materials is often used in the production process of recycled concrete, the existing screening device has single function, the recycled materials with different particle sizes need to be screened by a plurality of devices, and the screening device is large in size and inconvenient to move; meanwhile, the problems that feeding is not uniform, fine materials after screening are inconvenient to collect and the like exist.
Disclosure of Invention
The invention aims to provide multistage screening equipment for processing recycled concrete, which solves the problems that the existing screening device has single function, needs a plurality of devices to carry out recycled materials with different particle sizes, is large in size and is inconvenient to move; meanwhile, the problems that feeding is not uniform, fine materials after screening are inconvenient to collect and the like exist.
In order to solve the technical problems, the invention is realized by the following technical scheme: a multi-stage screening device for processing recycled concrete comprises a movable base, a primary screening device, a secondary screening device, a tertiary screening device, a fine material storage device and a hopper; the three-stage screening device, the two-stage screening device, the one-stage screening device and the feed hopper are sequentially arranged on the base in a stepped manner from left to right;
the base comprises a base plate and a first support which is arranged on the base plate and used for connecting the primary screening device, the secondary screening device and the tertiary screening device;
the fine material storage device comprises a fine material storage box arranged on the left side of the seat plate and a first feeding mechanism which is arranged on the right side of the fine material storage box and is convenient for guiding the materials after three-stage screening into the fine material storage box;
the first feeding mechanism comprises a first feeding barrel, a first feeding screw rod which is rotatably arranged in the first feeding barrel and a first feeding motor which is arranged at the right end of the first feeding barrel;
the third-stage screening device comprises a third material collecting groove arranged on the first support, two third bearing seats arranged on the third material collecting groove, a third screening barrel rotatably arranged between the two third bearing seats, a third diversion trench arranged at the top of the third bearing seat on the left side and a third motor arranged on the third bearing seat on the left side and used for driving the third screening barrel to rotate; a third material leaking hole is formed in the bottom of the third material collecting groove corresponding to the right end of the third screening cylinder; the lower end of the third material leaking hole is provided with a third guide cylinder communicated with the right end of the first feeding cylinder;
the third screening barrel comprises a third rotating shaft which is rotatably connected with the two third bearing seats and a third screening barrel which is arranged on the third rotating shaft through a third guide vane; the outer wall of the third screening cylinder is provided with a plurality of third screening holes;
the secondary screening device comprises a second material collecting groove arranged at the upper parts of the first support and the third material collecting groove, two second bearing seats arranged on the second material collecting groove, a second screening barrel rotatably arranged between the two second bearing seats, a second fine material filter screen arranged at the bottom of the second material collecting groove corresponding to the lower part of the second screening barrel, a second guide barrel arranged at the lower end of the second material collecting groove corresponding to the first fine material filter screen and convenient for guiding materials into the left end of the first feeding barrel, a second guide groove arranged at the top of the second bearing seat on the left side and a second motor arranged on the second bearing seat on the left side and used for driving the second screening barrel to rotate; a second material leaking hole is formed in the bottom of the second material collecting groove corresponding to the third diversion trench;
the second screening cylinder comprises a second rotating shaft which is rotatably connected with the two second bearing seats and a second screening cylinder which is arranged on the second rotating shaft through a second guide vane; the outer wall of the second screening cylinder is provided with a plurality of second screening holes;
the primary screening device comprises a first material collecting groove arranged at the upper part of the second material collecting groove, two first bearing seats arranged on the first material collecting groove, a first screening cylinder rotatably arranged between the two first bearing seats, a first fine material filter screen arranged at the bottom of the first material collecting groove corresponding to the lower part of the first screening cylinder, a first guide cylinder arranged at the lower end of the first material collecting groove corresponding to the first fine material filter screen and convenient for guiding materials into the upper part of the fine material storage box, and a first motor arranged on the first bearing seat at the right side and used for driving the first screening cylinder to rotate; a first material leaking hole is formed in the bottom of the first material collecting groove corresponding to the second diversion trench;
the first screening cylinder comprises a first rotating shaft which is rotatably connected with the two first bearing seats and a first screening cylinder which is arranged on the first rotating shaft through a first guide vane; the outer walls of the first guide vane and the first screening cylinder are provided with a plurality of first screening holes;
the hopper comprises a hopper body arranged at the top of the fine material storage box through a second support and a second feeding mechanism arranged at the lower end of the hopper body; the second feeding mechanism comprises a second feeding barrel, a second feeding screw rod and a second feeding motor, the second feeding barrel is connected with the left end of the first screening barrel and the lower end of the hopper body, the second feeding screw rod is rotatably arranged in the second feeding barrel, and the second feeding motor is arranged at the left end of the second feeding barrel.
Further, the diameter of the first screening hole is larger than that of the second screening hole, and the diameter of the second screening hole is larger than that of the third screening hole; the aperture of the first fine material filter screen and the aperture of the second fine material filter screen are equal to the aperture of the third screening hole.
Further, the first flow guide collecting cylinder comprises a first conical cylinder and a third straight cylinder, wherein the first conical cylinder and the third straight cylinder are integrally arranged; the upper end of the third conical cylinder is connected with the bottom of the first material collecting groove, and the lower end of the first straight cylinder is connected with the top of the fine material storage box;
the second guide cylinder comprises a second conical cylinder and a second straight cylinder, wherein the second conical cylinder and the second straight cylinder are integrally arranged; the upper end of the second cone is connected with the bottom of the second material collecting groove, and the lower end of the second straight cylinder is connected with the top of the left side of the first feeding cylinder.
Furthermore, two sides of the third material collecting groove are respectively connected with the bottom of the second material collecting groove through two second connecting blocks;
and the two sides of the second material collecting groove are respectively connected with the bottom of the first material collecting groove through two first connecting blocks.
Furthermore, a third partition plate for preventing the material from sliding into the lower third material collecting groove is arranged on the left side of the third material collecting groove corresponding to the third material leaking hole;
a second baffle plate for preventing the material from sliding into the lower second material collecting groove is arranged on the left side of the second material collecting groove corresponding to the second material leaking hole;
the left side of the first material collecting groove corresponding to the first material leaking hole is provided with a first partition plate for preventing materials from sliding into the first material collecting groove below.
Furthermore, the front side and the rear side of the lower end face on the left side of the seat plate are provided with first rollers, and the middle part of the lower end face on the right side is provided with second rollers.
Furthermore, a partition plate is arranged in the fine material storage box, and a discharge door is arranged on the outer wall of the left side of the fine material storage box; the fine material storage box is divided into an upper cavity and a lower cavity which are independent by a partition plate; the upper cavity is separated from the left end of the lower cavity through a discharge door.
Further, a second guide groove discharging to the side is formed in the lower end of the second material collecting groove; the lower end of the first material collecting groove is provided with a first flow guide groove for discharging materials from the front side.
The invention has the following beneficial effects: by arranging the primary screening device, the secondary screening device and the tertiary screening device, the regenerated materials with different sizes can be conveniently and quickly distinguished, and the working efficiency is higher; the first/second fine material collecting groove is provided with the corresponding first/second fine material filtering net, so that fine materials can be separated from the materials step by step, the screening amount of the next-stage screening device is reduced, and energy is saved; the corresponding spiral guide vanes are arranged in the corresponding screening barrels, so that the gliding speed of the regenerated materials is conveniently limited, and the filtering efficiency is improved; through set up respective groove that gathers materials under every screening section of thick bamboo, conveniently collect the material after the screening to with different material water conservancy diversion to different places.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the primary screening device of the present invention;
FIG. 3 is a schematic diagram of the construction of a secondary screening device of the present invention;
FIG. 4 is a schematic structural view of a three stage screening device of the present invention;
fig. 5 is a schematic view of the structure of the hopper of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 5, the present invention is a multistage screening apparatus for recycled concrete processing, including a movable base 100, a primary screening device 200, a secondary screening device 300, a tertiary screening device 400, a fine material storage device 500, and a hopper 600; the third-stage screening device 400, the second-stage screening device 300, the first-stage screening device 200 and the feed hopper 600 are sequentially arranged on the base 100 in a stepped manner from left to right;
the base 100 comprises a base plate 110 and a first bracket 120 arranged on the base plate 110 and used for connecting the primary screening device 200, the secondary screening device 300 and the tertiary screening device 400;
the fine material storage device 500 comprises a fine material storage box 510 arranged at the left side of the seat plate 110 and a first feeding mechanism 520 arranged at the right side of the fine material storage box 510 and used for guiding the three-stage screened materials into the fine material storage box 510;
the first feeding mechanism 520 comprises a first feeding barrel 521, a first feeding screw 522 rotatably arranged in the first feeding barrel 521, and a first feeding motor 523 arranged at the right end of the first feeding barrel 521;
the tertiary screening device 400 includes a third material collecting groove 410 disposed on the first frame 110, two third bearing seats 420 disposed on the third material collecting groove 410, a third screening drum 430 rotatably disposed between the two third bearing seats 420, a third diversion trench 440 disposed on the top of the left third bearing seat 420, and a third motor 450 disposed on the left third bearing seat 420 for driving the third screening drum 430 to rotate; a third material leaking hole is formed at the bottom of the third material collecting groove 410 corresponding to the right end of the third screening cylinder 430; the lower end of the third material leaking hole is provided with a third guide cylinder 460 communicated with the right end of the first feeding cylinder 521;
the third classifying drum 430 includes a third rotating shaft 431 rotatably connected to the two third bearing housings 420, and a third classifying drum 433 provided on the third rotating shaft 431 by a third guide vane 432; a plurality of third screening holes are formed in the outer wall of the third screening cylinder 433;
the secondary screening device 300 includes a second collecting chute 310 disposed at the upper part of the first bracket 110 and the third collecting chute 410, two second bearing blocks 320 disposed on the second collecting chute 310, a second screening barrel 330 rotatably disposed between the two second bearing blocks 320, a second fine material screen 370 disposed at the bottom of the second collecting chute 310 corresponding to the lower part of the second screening barrel 330, a second guide barrel 380 disposed at the lower end of the second collecting chute 310 corresponding to the first fine material screen 370 for guiding the material to the left end of the first feed barrel 521, a second guide chute 340 disposed at the top of the left second bearing block 320, and a second motor 350 disposed on the left second bearing block 320 for driving the second screening barrel 330 to rotate; a second material leaking hole is formed at the bottom of the second material collecting groove 310 corresponding to the third diversion groove 440; through setting up the fine material filter screen of second, be convenient for sieve the material after the screening of first fine material filter screen, reduce the quantity that gets into tertiary screening plant's material, be favorable to energy-conservation
The second classifying drum 330 includes a second rotating shaft 331 rotatably connected to the two second bearing housings 320, and a second classifying drum 333 provided on the second rotating shaft 331 through a second guide vane 332; the outer wall of the second screening cylinder 333 is provided with a plurality of second screening holes;
the primary screening device 200 includes a first material collecting tank 210 disposed at the upper part of the second material collecting tank 310, two first bearing seats 220 disposed on the first material collecting tank 210, a first screening cylinder 230 rotatably disposed between the two first bearing seats 220, a first fine material filtering screen 270 disposed at the bottom of the first material collecting tank 210 corresponding to the lower part of the first screening cylinder 230, a first guide cylinder 240 disposed at the lower end of the first material collecting tank 210 corresponding to the first fine material filtering screen 270 for guiding the material into the upper part of the fine material storage tank 510, and a first motor 250 disposed on the first bearing seat 210 at the right side for driving the first screening cylinder 230 to rotate; a first material leaking hole is formed at the bottom of the first material collecting groove 210 corresponding to the second diversion groove 340; the first fine material filter screen is arranged, so that the materials screened by the primary screening device can be screened conveniently, the quantity of the materials entering the secondary/tertiary screening device is reduced, and energy conservation is facilitated;
the first classifying cylinder 230 includes a first rotating shaft 231 rotatably connected to the two first bearing seats 220, and a first classifying cylinder 233 provided on the first rotating shaft 231 via a first guide vane 232; the outer walls of the first guide vane 232 and the first screening cylinder 233 are provided with a plurality of first screening holes; the screening capacity is increased by arranging the same first screening holes, and the entering materials are simultaneously filtered by the first guide vanes and the first screening barrel which are in contact with each other;
the hopper 600 includes a hopper body 610 disposed at the top of the fine material storage box 510 through a second bracket 120 and a second feeding mechanism 620 disposed at the lower end of the hopper body 610; the second feeding mechanism 620 comprises a second feeding barrel 621 connecting the left end of the first sieving barrel 231 with the lower end of the hopper body 610, a second feeding screw 622 rotatably arranged in the second feeding barrel 621, and a second feeding motor 623 arranged at the left end of the second feeding barrel 621; through setting up second feeding mechanism, be convenient for at the uniform velocity to the first-level screening section of thick bamboo transported substance material.
Further, the diameter of the first screening hole is larger than that of the second screening hole, and the diameter of the second screening hole is larger than that of the third screening hole; the first fine material screen 270 and the second fine material screen 370 have the same aperture as the third screening holes.
Further, the first flow guide collecting cylinder 240 includes a first conical cylinder and a third straight cylinder, the first conical cylinder and the third straight cylinder are integrally arranged; the upper end of the third conical cylinder is connected with the bottom of the first material collecting groove 210, and the lower end of the first straight cylinder is connected with the top of the fine material storage box 510;
the second guide cylinder 380 comprises a second cone and a second straight cylinder, wherein the second cone and the second straight cylinder are integrally arranged; the upper end of the second cylinder is connected with the bottom of the second collecting groove 310, and the lower end of the second cylinder is connected with the top of the left side of the first feeding cylinder 521.
Further, two sides of the third material collecting groove 410 are respectively connected with the bottom of the second material collecting groove 310 through two second connecting blocks 360;
two sides of the second material collecting groove 310 are connected to the bottom of the first material collecting groove 210 through two first connecting blocks 260, respectively.
Further, a third partition 411 for preventing the material from sliding into the lower third material collecting groove 410 is arranged at the left side of the third material collecting groove 410 corresponding to the third material leaking hole;
a second partition plate 311 for preventing the material from sliding into the lower second material collecting groove 310 is arranged on the left side of the second material collecting groove 310 corresponding to the second material leaking hole;
the left side of the first material collecting groove 210 corresponding to the first material leaking hole is provided with a first partition 211 for preventing the material from sliding into the first material collecting groove 210 below.
Further, the front and rear sides of the lower end surface on the left side of the seat plate 110 are provided with first rollers 130, and the middle part of the lower end surface on the right side is provided with second rollers 140.
Further, a partition plate 511 is arranged in the fine material storage box 510, and a discharge door 512 is arranged on the outer wall of the left side; the fine material storage box 510 is divided into an upper cavity and a lower cavity which are independent by a partition plate 511; the left ends of the upper cavity and the lower cavity are isolated by a discharge door 512; the fine material after the first-level screening and the fine material after the second/third-level screening are stored in different spaces through the partition plate, so that the first feeding mechanism can conveniently send the fine material after the second/third-level screening into the corresponding lower cavity, and the fine material after the first-level screening is prevented from blocking the outlet of the first feeding mechanism.
Further, a second guide guiding groove 312 discharging to the side is arranged at the lower end of the second collecting groove 310; the lower end of the first material collecting groove 210 is provided with a first guide groove 212 for discharging materials from the front side; the materials with different particle sizes can be conveniently drained to different places.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. A multi-stage screening device for processing recycled concrete comprises a movable base, a primary screening device, a secondary screening device, a tertiary screening device, a fine material storage device and a hopper; the three-stage screening device, the two-stage screening device, the one-stage screening device and the feed hopper are sequentially arranged on the base in a stepped manner from left to right; the method is characterized in that:
the base comprises a base plate and a first support which is arranged on the base plate and used for connecting the primary screening device, the secondary screening device and the tertiary screening device;
the fine material storage device comprises a fine material storage box arranged on the left side of the seat plate and a first feeding mechanism which is arranged on the right side of the fine material storage box and is convenient for guiding the materials after three-stage screening into the fine material storage box;
the first feeding mechanism comprises a first feeding barrel, a first feeding screw rod which is rotatably arranged in the first feeding barrel and a first feeding motor which is arranged at the right end of the first feeding barrel;
the third-stage screening device comprises a third material collecting groove arranged on the first support, two third bearing seats arranged on the third material collecting groove, a third screening barrel rotatably arranged between the two third bearing seats, a third diversion trench arranged at the top of the left third bearing seat and a third motor arranged on the left third bearing seat and used for driving the third screening barrel to rotate; a third material leaking hole is formed in the bottom of the third material collecting groove corresponding to the right end of the third screening cylinder; the lower end of the third material leaking hole is provided with a third guide cylinder communicated with the right end of the first feeding cylinder;
the third screening barrel comprises a third rotating shaft which is rotatably connected with the two third bearing seats and a third screening barrel which is arranged on the third rotating shaft through a third guide vane; the outer wall of the third screening cylinder is provided with a plurality of third screening holes;
the secondary screening device comprises a second material collecting groove arranged at the upper parts of the first support and the third material collecting groove, two second bearing seats arranged on the second material collecting groove, a second screening barrel rotatably arranged between the two second bearing seats, a second fine material filter screen arranged at the bottom of the second material collecting groove corresponding to the lower part of the second screening barrel, a second guide barrel arranged at the lower end of the second material collecting groove corresponding to the first fine material filter screen and convenient for guiding materials into the left end of the first feeding barrel, a second guide groove arranged at the top of the second bearing seat on the left side and a second motor arranged on the second bearing seat on the left end and used for driving the second screening barrel to rotate; a second material leaking hole is formed in the bottom of the second material collecting groove corresponding to the third diversion trench;
the second screening cylinder comprises a second rotating shaft which is rotatably connected with the two second bearing seats and a second screening cylinder which is arranged on the second rotating shaft through a second guide vane; the outer wall of the second screening cylinder is provided with a plurality of second screening holes;
the primary screening device comprises a first material collecting groove arranged at the upper part of the second material collecting groove, two first bearing seats arranged on the first material collecting groove, a first screening cylinder rotatably arranged between the two first bearing seats, a first fine material filter screen arranged at the bottom of the first material collecting groove corresponding to the lower part of the first screening cylinder, a first guide cylinder arranged at the lower end of the first material collecting groove corresponding to the first fine material filter screen and convenient for guiding materials into the upper part of the fine material storage box, and a first motor arranged on the first bearing seat at the right end and used for driving the first screening cylinder to rotate; a first material leaking hole is formed in the bottom of the first material collecting groove corresponding to the second diversion trench;
the first screening cylinder comprises a first rotating shaft which is rotatably connected with the two first bearing seats and a first screening cylinder which is arranged on the first rotating shaft through a first guide vane; the outer walls of the first guide vane and the first screening cylinder are provided with a plurality of first screening holes;
the hopper comprises a hopper body arranged at the top of the fine material storage box through a second support and a second feeding mechanism arranged at the lower end of the hopper body; the second feeding mechanism comprises a second feeding barrel, a second feeding screw rod and a second feeding motor, the second feeding barrel is connected with the left end of the first screening barrel and the lower end of the hopper body, the second feeding screw rod is rotatably arranged in the second feeding barrel, and the second feeding motor is arranged at the left end of the second feeding barrel.
2. The multistage screening apparatus for recycled concrete processing according to claim 1, wherein the diameter of the first screening hole is larger than that of the secondary screening hole, and the diameter of the secondary screening hole is larger than that of the tertiary screening hole; the aperture of the first fine material filter screen and the aperture of the second fine material filter screen are equal to the aperture of the third screening hole.
3. The multistage screening apparatus for recycled concrete processing according to claim 1, wherein the first flow guide collecting cylinder comprises a first conical cylinder and a third straight cylinder, the first conical cylinder and the third straight cylinder are integrally arranged, and the third straight cylinder is arranged at the lower end of the first conical cylinder; the upper end of the third conical cylinder is connected with the bottom of the first material collecting groove, and the lower end of the first straight cylinder is connected with the top of the fine material storage box;
the second guide cylinder comprises a second conical cylinder and a second straight cylinder, wherein the second conical cylinder and the second straight cylinder are integrally arranged; the upper end of the second cone is connected with the bottom of the second material collecting groove, and the lower end of the second straight cylinder is connected with the top of the left side of the first feeding cylinder.
4. The multistage screening device for recycled concrete processing according to claim 1, wherein two sides of the third material collecting groove are respectively connected with the bottom of the second material collecting groove through two second connecting blocks;
and the two sides of the second material collecting groove are respectively connected with the bottom of the first material collecting groove through two first connecting blocks.
5. The multistage screening device for recycled concrete processing according to claim 1, wherein a third partition plate for preventing materials from sliding into a lower third collecting groove is arranged on the left side of the third collecting groove corresponding to the third material leaking hole;
a second baffle plate for preventing the material from sliding into the lower second material collecting groove is arranged on the left side of the second material collecting groove corresponding to the second material leaking hole;
the left side of the first material collecting groove corresponding to the first material leaking hole is provided with a first partition plate for preventing materials from sliding into the first material collecting groove below.
6. The multistage screening apparatus for recycled concrete processing according to claim 1, wherein the front and rear sides of the lower end surface on the left side of the seat plate are provided with first rollers, and the middle part of the lower end surface on the right side of the seat plate is provided with second rollers.
7. The multistage screening device for recycled concrete processing according to claim 1, wherein a partition plate is arranged in the fine material storage box, and a discharge door is arranged on the outer wall of the left side of the fine material storage box; the fine material storage box is divided into an upper cavity and a lower cavity which are independent by a partition plate; the upper cavity is separated from the left end of the lower cavity through a discharge door.
8. The multistage screening device for recycled concrete processing according to claim 1, wherein a second diversion guide groove discharging to the side is arranged at the lower end of the second material collecting groove; the lower end of the first material collecting groove is provided with a first flow guide groove for discharging materials from the front side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011451332.3A CN112691893A (en) | 2020-12-09 | 2020-12-09 | Multistage screening equipment is used in recycled concrete processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011451332.3A CN112691893A (en) | 2020-12-09 | 2020-12-09 | Multistage screening equipment is used in recycled concrete processing |
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| CN112691893A true CN112691893A (en) | 2021-04-23 |
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| CN202011451332.3A Withdrawn CN112691893A (en) | 2020-12-09 | 2020-12-09 | Multistage screening equipment is used in recycled concrete processing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115106185A (en) * | 2022-04-30 | 2022-09-27 | 武威职业学院 | Civil engineering construction waste safety processing device |
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| CN108160433A (en) * | 2017-11-21 | 2018-06-15 | 深圳润丰投资咨询有限公司 | A kind of band removal of impurities and the shock-absorbing type matrimony vine classified filtering device except iron |
| CN110026334A (en) * | 2019-04-24 | 2019-07-19 | 焦作恒博科技有限公司 | A kind of compound screening system of high-efficiency environment friendly solid material integral type |
| CN210876174U (en) * | 2019-07-26 | 2020-06-30 | 南京博泰新材料科技有限公司 | Vibrating screen with titanium net barrel |
| CN212069525U (en) * | 2020-01-08 | 2020-12-04 | 上海百理新型建筑材料有限公司 | Dry method machine-made sandstone screening device |
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2020
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| FR2651694A1 (en) * | 1989-09-14 | 1991-03-15 | Mvs Motoviticulture Saumuroise | Device for sorting sticky juicy objects |
| JP2007262142A (en) * | 2006-03-27 | 2007-10-11 | Mitsui Eng & Shipbuild Co Ltd | Burr separator for gas hydrate molded form |
| CN202427640U (en) * | 2012-01-07 | 2012-09-12 | 腾冲县四馨坊食品有限责任公司 | Fresh fruit raw material grading device |
| CN108160433A (en) * | 2017-11-21 | 2018-06-15 | 深圳润丰投资咨询有限公司 | A kind of band removal of impurities and the shock-absorbing type matrimony vine classified filtering device except iron |
| CN110026334A (en) * | 2019-04-24 | 2019-07-19 | 焦作恒博科技有限公司 | A kind of compound screening system of high-efficiency environment friendly solid material integral type |
| CN210876174U (en) * | 2019-07-26 | 2020-06-30 | 南京博泰新材料科技有限公司 | Vibrating screen with titanium net barrel |
| CN212069525U (en) * | 2020-01-08 | 2020-12-04 | 上海百理新型建筑材料有限公司 | Dry method machine-made sandstone screening device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115106185A (en) * | 2022-04-30 | 2022-09-27 | 武威职业学院 | Civil engineering construction waste safety processing device |
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