CN111069020A - Double-cylinder grit screening plant - Google Patents
Double-cylinder grit screening plant Download PDFInfo
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- CN111069020A CN111069020A CN201911410657.4A CN201911410657A CN111069020A CN 111069020 A CN111069020 A CN 111069020A CN 201911410657 A CN201911410657 A CN 201911410657A CN 111069020 A CN111069020 A CN 111069020A
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- Prior art keywords
- fixedly connected
- screen drum
- flow control
- spiral flow
- drum
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Classifications
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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
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4663—Multi-layer screening surfaces
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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
- B07B1/50—Cleaning
- B07B1/52—Cleaning with brushes or scrapers
- B07B1/522—Cleaning with brushes or scrapers with brushes
- B07B1/524—Cleaning with brushes or scrapers with brushes the brushes being rotating
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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
- B07B1/50—Cleaning
- B07B1/55—Cleaning with fluid jets
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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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a double-cylinder type sand and stone screening device, and relates to the technical field of sand and stone screening. The dustproof device comprises a dustproof shell, wherein a bracket assembly is fixedly connected to the lower part of the dustproof shell; the inner wall of the dustproof shell is fixedly connected with two supporting rings; the inner walls of the two support rings are rotatably connected with an outer screen drum through bearings; the inner wall of the outer screen cylinder is fixedly connected with a first connecting ring and a second connecting ring respectively; a self-cleaning assembly is fixedly connected between the inner surfaces of the two support rings; an inner screen drum is arranged inside the outer screen drum. According to the invention, through the design of the inner screen cylinder and the outer screen cylinder, primary screening of the traditional cylinder type screening device is changed into secondary screening, and through the secondary screening, sandstone materials with various particle sizes can be screened, and through the design of the first spiral flow control blade and the second spiral flow control blade, the screening time of the materials in the screen cylinder can be controlled by controlling the flow velocity of the materials.
Description
Technical Field
The invention belongs to the technical field of sand screening, and particularly relates to a double-cylinder sand screening device.
Background
The process that the broken materials are divided into different particle sizes through one or more layers of screen surfaces is called screening, the screening machine utilizes the relative motion of the broken materials and the screen surfaces to lead partial particles to penetrate through screen holes, and divides the materials such as sand, gravel, broken stone and the like used by buildings into vibrating screening mechanical equipment with different grades according to the particle size, the screening process of the screening machine is generally continuous, and the materials smaller than the size of the screen holes penetrate through the screen holes after the screening raw materials are fed onto the screening machine, so that the materials are called undersize products; material larger than the mesh size is continuously discharged from the screening surface and is referred to as oversize product.
Present grit screening plant is mostly the single cylinder screening, and when the screening, can only carry out a heavy screening separation to the material, can not carry out screening layer upon layer, and present cylinder screening plant can not control the stay time of material in a sieve section of thick bamboo, therefore the screening effect is limited.
Disclosure of Invention
The invention aims to provide a double-cylinder type sandstone screening device, which solves the problems that the traditional cylinder type sandstone screening device can only carry out screening once, can not control the flow speed of material flow during screening and has limited screening effect by the design of an outer screen cylinder, an inner screen cylinder, a first spiral flow control blade and a second spiral flow control blade.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a double-cylinder type sand and stone screening device which comprises a dustproof shell, wherein a support assembly is fixedly connected to the lower part of the dustproof shell; the inner wall of the dustproof shell is fixedly connected with two support rings; the inner walls of the two support rings are rotatably connected with an outer screen drum through bearings; the inner wall of the outer screen cylinder is fixedly connected with a first connecting ring and a second connecting ring respectively;
a self-cleaning assembly is fixedly connected between the inner surfaces of the two support rings; an inner screen drum is arranged inside the outer screen drum; the peripheral side surface of the inner screen cylinder is respectively and rotatably connected with the first connecting ring and the second connecting ring through bearings; the peripheral side surface of the inner screen cylinder is fixedly connected with a first spiral flow control blade; a first brush surface is arranged outside the first spiral flow control blade; the circumferential side surface of the first spiral flow control blade is attached to the outer screen drum through a first brush surface; the top surface of the dustproof shell is fixedly connected with a first transmission motor; one end of the output shaft of the first transmission motor is respectively in transmission connection with the outer screen drum and the inner screen drum through a belt;
a first support plate and a second support plate are fixedly connected with the inside of the inner screen cylinder from front to back respectively; the inner walls of the first support plate and the second support plate are rotatably connected with a rotating shaft; a second transmission motor is fixedly connected to one surface of the second support plate; one end of the output shaft of the second transmission motor is fixedly connected with the rotating shaft through a connecting piece; the circumferential side surface of the rotating shaft is fixedly connected with a second spiral flow control blade; the circumferential side surface of the second spiral flow control blade is provided with a second brush surface; the circumferential side surface of the second spiral flow control blade is attached to the inner screen drum through a second brush surface; and a group of reinforcing rods are fixedly arranged between the rotating shaft and the opposite surfaces of the second spiral flow control blades.
Further, the rack assembly includes a base; the end surface of the base is hinged with two symmetrically arranged electric push rods; the piston ends of the two electric push rods are hinged with the dustproof shell; the end surface of the base is also fixedly connected with two symmetrically arranged supporting legs; and the end surfaces of the two support legs are hinged with the dustproof shell.
Further, the self-cleaning assembly comprises three high-pressure spray pipes which are communicated with each other through an air inlet pipe; the three high-pressure spray pipes are distributed in an arc shape; the air inlet pipe is of an arc-shaped structure; the top surface of the air inlet pipe is fixedly communicated with a connector; one end of the connector extends to the outside of the dustproof shell; and the bottoms of the three high-pressure spray pipes are fixedly provided with a group of air outlet holes which are just opposite to the outer screen drum.
Further, the outer screen drum, the inner screen drum and the rotating shaft are coaxial; the first connecting ring is annular; and a group of discharge holes distributed in a circumferential array are formed in the surface of the second connecting ring.
Furthermore, a group of first filter holes distributed in a circumferential array are formed in the peripheral side surface of the outer screen drum; a group of second filter holes distributed in a circumferential array are formed in the circumferential side surface of the inner screen cylinder; the aperture of the first filter hole is 0.5-0.9 times of the aperture of the second filter hole.
Furthermore, the dustproof shell is of a hollow structure with two ends and a lower end being opened.
The invention has the following beneficial effects:
the invention changes the primary screening of the traditional cylinder type screening device into secondary screening through the design of the inner screen cylinder and the outer screen cylinder, so as to screen sand and stone materials with various particle sizes through the secondary screening, and can control the screening time of the materials in the screen cylinder through controlling the flow rate of the materials through the design of the first spiral flow control blade and the second spiral flow control blade, and the first spiral flow control blade and the second spiral flow control blade can fully disturb the materials and fully disperse the materials when in work, so as to strengthen the filtering effect, meanwhile, through the design of the first brush surface and the design of the second brush surface, the invention can play a role of automatically cleaning the inner walls of the outer screen cylinder and the inner screen cylinder, thereby being beneficial to maintaining the filtering effect of the inner screen cylinder and the outer screen cylinder, and through the design of the self-cleaning component, impurities adhered to the screen cylinder or blocked in screen holes can be blown away through high-pressure air flow, and then can effectively avoid a sieve section of thick bamboo to block up.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
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 structural view of a double-drum sand screening device;
FIG. 2 is a schematic bottom view of the structure of FIG. 1;
FIG. 3 is a schematic cross-sectional view of FIG. 1;
FIG. 4 is a schematic structural view of a first spiral flow control vane, a rotating shaft and a reinforcing rod;
FIG. 5 is a schematic structural view of an inner screen drum, a second transmission motor, a second brush surface, a second spiral flow control blade and a second support plate;
FIG. 6 is a schematic structural view of an outer screen cylinder, a self-cleaning assembly and a support ring;
FIG. 7 is a schematic view of the structure of FIG. 6 from another angle;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a dustproof shell, 2-a bracket component, 3-a support ring, 4-an outer screen drum, 5-a self-cleaning component, 6-an inner screen drum, 7-a first spiral flow control blade, 8-a first brush surface, 9-a first transmission motor, 10-a first support plate, 11-a second support plate, 12-a rotating shaft, 13-a second transmission motor, 14-a second spiral flow control blade, 15-a second brush surface, 16-a reinforcing rod, 201-a base, 202-an electric push rod, 203-a support leg, 401-a first connecting ring, 402-a second connecting ring, 501-an air inlet pipe, 502-a high-pressure spray pipe and 503-a connector.
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.
Referring to fig. 1-7, the present invention is a double-cylinder sand screening device, which comprises a dust-proof housing 1, wherein a bracket assembly 2 is fixedly connected to the lower portion of the dust-proof housing 1; the inner wall of the dustproof shell 1 is fixedly connected with two supporting rings 3; the inner walls of the two support rings 3 are rotatably connected with an outer screen drum 4 through a bearing; the inner wall of the outer screen drum 4 is fixedly connected with a first connecting ring 401 and a second connecting ring 402 respectively;
a self-cleaning assembly 5 is fixedly connected between the inner surfaces of the two support rings 3, and the self-cleaning assembly 5 is used for self-cleaning the outer screen cylinder 4 and the inner screen cylinder 6;
an inner screen drum 6 is arranged inside the outer screen drum 4; the peripheral side surface of the inner screen drum 6 is respectively and rotatably connected with a first connecting ring 401 and a second connecting ring 402 through bearings; the circumferential side surface of the inner screen drum 6 is fixedly connected with a first spiral flow control blade 7; a first brush surface 8 is arranged outside the first spiral flow control blade 7; the circumferential side surface of the first spiral flow control blade 7 is attached to the outer screen drum 4 through a first brush surface 8; the top surface of the dustproof shell 1 is fixedly connected with a first transmission motor 9; one end of the output shaft of the first transmission motor 9 is respectively in transmission connection with the outer screen drum 4 and the inner screen drum 6 through belts, and when the sieve is in work, the outer screen drum 4 and the inner screen drum 6 synchronously rotate at the same speed and in the same direction under the driving of the first transmission motor 9;
a first support plate 10 and a second support plate 11 are fixedly connected with the inside of the inner screen cylinder 6 from front to back respectively; the inner walls of the first support plate 10 and the second support plate 11 are rotatably connected with a rotating shaft 12; a second transmission motor 13 is fixedly connected to one surface of the second support plate 11; one end of an output shaft of the second transmission motor 13 is fixedly connected with the rotating shaft 12 through a connecting piece; the peripheral side surface of the rotating shaft 12 is fixedly connected with a second spiral flow control blade 14; the peripheral side surface of the second spiral flow control blade 14 is provided with a second brush surface 15; the peripheral side surface of the second spiral flow control blade 14 is attached to the inner screen drum 6 through a second brush surface 15; a set of reinforcing rods 16 are fixedly arranged between the opposite surfaces of the rotating shaft 12 and the second spiral flow control blades 14.
As shown in fig. 1-3, the rack assembly 2 includes a base 201; two electric push rods 202 which are symmetrically arranged are hinged on the end surface of the base 201; the piston ends of the two electric push rods 202 are hinged with the dustproof shell 1; the end surface of the base 201 is also fixedly connected with two symmetrically arranged supporting legs 203; the end surfaces of the two legs 203 are hinged with the dust-proof shell 1.
The self-cleaning assembly 5 comprises three high-pressure spray pipes 502 which are communicated with each other through an air inlet pipe 501; the three high pressure nozzles 502 are distributed in an arc shape; the air inlet pipe 501 is of an arc-shaped structure; the top surface of the air inlet pipe 501 is fixedly communicated with a connector 503; one end of the connecting head 503 extends to the outside of the dust-proof housing 1; three high-pressure spray pipe 502 bottom is all fixed and is seted up a set of exhaust vent just to outer sieve section of thick bamboo 4, and during the use, connector 503 passes through pipeline and outside high compression pump intercommunication, and the during operation, three high-pressure spray pipe 502 erupts high-pressure draught, through high-pressure draught to blow off including the adhesion sieve section of thick bamboo 6 and outer sieve section of thick bamboo 4 surface adhesion or block up the device in the filtration pore, thereby play the automatic clearing effect to inner sieve section of thick bamboo 6 and outer sieve section of thick bamboo 4.
Wherein, the outer screen drum 4, the inner screen drum 6 and the rotating shaft 12 are coaxial; the first connecting ring 401 is annular; the surface of the second connecting ring 402 is provided with a group of discharge holes distributed in a circumferential array, and the residue screened by the outer screen drum 4 is discharged from the discharge holes.
Wherein, the peripheral side surface of the outer screen drum 4 is provided with a group of first filter holes distributed in a circumferential array; a group of second filter holes distributed in a circumferential array are formed in the circumferential side surface of the inner screen drum 6; the aperture of first filtration pore is 0.5 times of second filtration pore aperture, and an interior sieve section of thick bamboo 6 is used for carrying out coarse filtration to the material, and an outer sieve section of thick bamboo 4 is used for carrying out the fine filtration to the material, through filtering layer upon layer to carry out the duplicate screening.
The dust-proof housing 1 is a hollow structure with two open ends and a lower open end.
One specific application of this embodiment is: when the dust-proof device works, the inclination angle of the dust-proof shell 1 is changed through the electric push rod 202 according to the requirement of the screened object, when the dust-proof device works, the first drive motor 9 drives the outer screen cylinder 4 and the inner screen cylinder 6 to rotate at a set speed under the control of the controller, meanwhile, the second drive motor 13 drives the rotating shaft 12 to rotate at a set speed, and when the dust-proof device works, the rotating directions of the first spiral flow control blade 7 and the second spiral flow control blade 14 are the same, so that the screened material flows downwards at a set speed, the material to be screened enters the inner screen cylinder 6 from one end of the electric push rod 202, under the screening effect of the inner screen cylinder 6, the sand and stone material is subjected to first heavy filtration, the screened first heavy waste residue is discharged from the end part of the inner screen cylinder 6, meanwhile, due to the effect of the first spiral flow control blade 7, on one hand, the staying time of the material in the inner screen cylinder 6 can be effectively prolonged, on the other hand, can also produce the disturbance to the material, thereby make the material fully break up, and because the design of first brush face 8, can also play certain cleaning action to the inner wall of an inner screen section of thick bamboo 6, outer screen section of thick bamboo 6 then carries out the second heavy filtration to the grit material, the material of screening out is finally discharged by outer screen section of thick bamboo 4 tip, second spiral accuse stream blade 14 then cleans outer screen section of thick bamboo 6 inner wall, and during operation, self-cleaning subassembly 5 and external high-pressure air pump intercommunication, then blow off the impurity of adhesion in outer screen section of thick bamboo 4 and inner screen section of thick bamboo 6 through high-pressure draught, then play the automatically cleaning action to outer screen section of thick bamboo 4 and inner screen section of thick bamboo 6.
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 (6)
1. The utility model provides a double-cylinder grit screening plant, includes dust housing (1), dust housing (1) lower part fixedly connected with bracket component (2), its characterized in that:
the inner wall of the dustproof shell (1) is fixedly connected with two support rings (3); the inner walls of the two support rings (3) are rotationally connected with an outer screen drum (4) through a bearing; the inner wall of the outer screen drum (4) is fixedly connected with a first connecting ring (401) and a second connecting ring (402) respectively;
a self-cleaning assembly (5) is fixedly connected between the inner surfaces of the two support rings (3); an inner screen drum (6) is arranged inside the outer screen drum (4); the peripheral side surface of the inner screen drum (6) is respectively and rotatably connected with a first connecting ring (401) and a second connecting ring (402) through bearings; the peripheral side surface of the inner screen drum (6) is fixedly connected with a first spiral flow control blade (7); a first brush surface (8) is arranged outside the first spiral flow control blade (7); the peripheral side surface of the first spiral flow control blade (7) is attached to the outer screen drum (4) through a first brush surface (8); the top surface of the dustproof shell (1) is fixedly connected with a first transmission motor (9); one end of an output shaft of the first transmission motor (9) is in transmission connection with the outer screen drum (4) and the inner screen drum (6) through a belt respectively;
a first support plate (10) and a second support plate (11) are fixedly connected with the inside of the inner screen drum (6) from front to back respectively; the inner walls of the first support plate (10) and the second support plate (11) are rotatably connected with a rotating shaft (12);
a second transmission motor (13) is fixedly connected to one surface of the second support plate (11); one end of an output shaft of the second transmission motor (13) is fixedly connected with the rotating shaft (12) through a connecting piece; the peripheral side surface of the rotating shaft (12) is fixedly connected with a second spiral flow control blade (14); the peripheral side surface of the second spiral flow control blade (14) is provided with a second brush surface (15); the peripheral side surface of the second spiral flow control blade (14) is attached to the inner screen drum (6) through a second brush surface (15);
and a group of reinforcing rods (16) are fixedly arranged between the opposite surfaces of the rotating shaft (12) and the second spiral flow control blades (14).
2. A twin-drum sand screening device according to claim 1, characterised in that the carrier assembly (2) comprises a base (201); the end face of the base (201) is hinged with two symmetrically arranged electric push rods (202); the piston ends of the two electric push rods (202) are hinged with the dustproof shell (1); the end surface of the base (201) is also fixedly connected with two symmetrically arranged supporting legs (203); the end surfaces of the two supporting legs (203) are hinged with the dustproof shell (1).
3. A twin-drum sand screening device according to claim 1 or 2, characterised in that the self-cleaning assembly (5) comprises three high-pressure nozzles (502) which communicate with each other through an air inlet duct (501); the three high-pressure spray pipes (502) are distributed in an arc shape; the air inlet pipe (501) is of an arc-shaped structure; the top surface of the air inlet pipe (501) is fixedly communicated with a connector (503); one end of the connecting head (503) extends to the outside of the dustproof shell (1); the bottoms of the three high-pressure spray pipes (502) are fixedly provided with a group of air outlet holes which are just opposite to the outer screen drum (4).
4. A dual drum sand screening device according to claim 3, characterised in that the outer (4), inner (6) and rotatable shafts (12) are coaxial; the first connecting ring (401) is annular; the surface of the second connecting ring (402) is provided with a group of discharge holes distributed in a circumferential array.
5. The double-cylinder sand screening device according to claim 4, characterized in that the peripheral side of the outer screen cylinder (4) is provided with a group of first filter holes distributed in a circumferential array; the peripheral side surface of the inner screen drum (6) is provided with a group of second filter holes distributed in a circumferential array; the aperture of the first filter hole is 0.5-0.9 times of the aperture of the second filter hole.
6. Double drum sand and stone screening device according to claim 1 or 2 or 4 or 5, characterised in that the dust housing (1) is a hollow structure open at both ends and at the lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911410657.4A CN111069020A (en) | 2019-12-31 | 2019-12-31 | Double-cylinder grit screening plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911410657.4A CN111069020A (en) | 2019-12-31 | 2019-12-31 | Double-cylinder grit screening plant |
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| CN111069020A true CN111069020A (en) | 2020-04-28 |
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| CN201911410657.4A Pending CN111069020A (en) | 2019-12-31 | 2019-12-31 | Double-cylinder grit screening plant |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112547198A (en) * | 2020-12-11 | 2021-03-26 | 郑林平 | A deironing bits equipment for mechanical waste retrieves |
| CN113559987A (en) * | 2021-07-28 | 2021-10-29 | 秀山县奇味鲜食品有限公司 | Fermented soya bean is with sieving of breaking up step by step and washing equipment |
| WO2022047685A1 (en) * | 2020-09-02 | 2022-03-10 | 太仓景宏智能科技有限公司 | Material sieving mechanism for crops |
| CN114769112A (en) * | 2022-03-31 | 2022-07-22 | 安徽省中畅生态工程建设有限公司 | Environment-friendly energy-saving type bridge construction sand filtering machine |
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| WO2022047685A1 (en) * | 2020-09-02 | 2022-03-10 | 太仓景宏智能科技有限公司 | Material sieving mechanism for crops |
| CN112547198A (en) * | 2020-12-11 | 2021-03-26 | 郑林平 | A deironing bits equipment for mechanical waste retrieves |
| CN113559987A (en) * | 2021-07-28 | 2021-10-29 | 秀山县奇味鲜食品有限公司 | Fermented soya bean is with sieving of breaking up step by step and washing equipment |
| CN114769112A (en) * | 2022-03-31 | 2022-07-22 | 安徽省中畅生态工程建设有限公司 | Environment-friendly energy-saving type bridge construction sand filtering machine |
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