CN111842123A - Grit classified screening device for municipal works - Google Patents
Grit classified screening device for municipal works Download PDFInfo
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- CN111842123A CN111842123A CN202010765039.8A CN202010765039A CN111842123A CN 111842123 A CN111842123 A CN 111842123A CN 202010765039 A CN202010765039 A CN 202010765039A CN 111842123 A CN111842123 A CN 111842123A
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- Prior art keywords
- screening
- screening box
- box
- sand
- municipal engineering
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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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/282—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens their jigging movement being a closed or open curvilinear path in a plane perpendicular to the plane of the screen and parrallel or transverse to the direction of conveyance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/02—Continuous feeding or discharging; Control arrangements therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/08—Rotary bowls
- B04B7/18—Rotary bowls formed or coated with sieving or filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/02—Electric motor drives
- B04B9/04—Direct drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/286—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens with excentric shafts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a sand and stone grading and screening device for municipal engineering, which relates to the technical field of municipal engineering equipment and comprises a screening box and a conveying device, wherein two sides of the screening box are provided with feed inlets, a first screening box is arranged above the inside of the screening box, the upper surface of the top wall of the screening box is provided with a driving motor, the bottom of the first screening box is provided with a screening plate, a first-stage screen mesh is arranged below the first screening box, a second screening box is arranged below the first-stage screen mesh, the bottom wall of the second screening box is provided with a second-stage screen mesh, the driving motor drives the first screening box to rotate, the first screening box drives the inner sand and stone to carry out centrifugal motion, the sand and stone fall from the first screening box to the surface of the first-stage screen mesh, small-granule sand and stone fall to the second screening box through the first-stage screen mesh by the left-right vibration of the second-stage screen mesh, an eccentric wheel pushes the second, realize hierarchical grading, the screening efficiency is higher.
Description
Technical Field
The invention relates to the technical field of municipal engineering equipment, in particular to a sand and stone grading and screening device for municipal engineering.
Background
Municipal works refer to municipal infrastructure construction works, and in China, municipal infrastructures refer to various buildings, structures, equipment and the like which are arranged in urban areas and town planning construction ranges and provide paid or unpaid public products and services for residents based on government responsibilities and obligations. The construction of various public infrastructures matched with urban life belongs to the field of municipal engineering.
Need adopt the grit in the municipal works work progress, because grit volume variation in size, in order to improve municipal works construction quality, need filter the grit, current grit sieving mechanism can not be accurate classify the grit, influences the normal use of grit.
Disclosure of Invention
The invention aims to provide a sand grading and screening device for municipal engineering, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a gravel classifying and screening device for municipal engineering comprises a screening box and a conveying device, wherein the left side and the right side of the surface of the top wall of the screening box are symmetrically provided with feed inlets, the conveying device is symmetrically arranged above the feed inlets, the feed inlets are extended and connected into the screening box, the upper part in the screening box is provided with a first screening box, the left side and the right side of the top wall of the first screening box are symmetrically provided with material receiving ports, the upper surface of the top wall of the screening box is provided with a driving motor, the tail end of an output shaft of the driving motor penetrates through the screening box to be extended and fixedly connected with the first screening box, the bottom of the first screening box is provided with a screen plate, screen holes are uniformly arranged on the surface of the screen plate at equal intervals, a first-level screen is arranged below the first screening box, the left side of the screening box is provided with a rotating shaft, the tail end of, the utility model discloses a screening case, including screening case, one-level screen cloth, dwang, eccentric wheel, pivot, shaft, connecting rod, push rod, screening case lateral wall, dwang left and right sides wall, the one-level screen cloth below sets up the second screening case, second screening bottom of the case wall sets up the second grade screen cloth, second screening bottom of the case portion sets up the dwang, the dwang rotates with screening case left and right sides wall to be connected, dwang left and right sides symmetry sets up the eccentric wheel, the terminal screening case lateral wall that passes in dwang left side extends fixed connection bevel gear one, the pivot is close to one side end fixed connection bevel gear two of bevel gear one, bevel gear two and bevel gear meshing.
As a further scheme of the invention: the screening box is characterized in that the surface of the inner wall of the screening box is provided with an annular clamping groove, the surface of the outer side wall of the first screening box is provided with a circular clamping seat, the circular clamping seat is installed in the annular clamping groove, and the circular clamping seat is in sliding connection with the annular clamping groove.
As a further scheme of the invention: both sides all set up spacing sleeve about the pivot, spacing sleeve and screening case left side wall fixed connection.
As a further scheme of the invention: and the left side and the right side of the second screening box are symmetrically provided with bearing plates.
As a still further scheme of the invention: screening case right side inner wall sets up the dashpot, set up expanding spring in the dashpot, expanding spring and screening case right side wall fixed connection, one side and one-level screen cloth fixed connection that screening case was kept away from to expanding spring.
As a further scheme of the invention: the left side and the right side of the bottom wall of the storage chamber are symmetrically and fixedly provided with supporting legs.
As a still further scheme of the invention: the bottom of the material storage chamber is provided with a material discharging pipe, and a control valve is arranged between the material discharging pipe and the material storage chamber.
As a still further scheme of the invention: screening case right side wall sets up the fan, the dust absorption mouth is connected to the fan, the fan bottom is passed through the tuber pipe and is connected the ash storage room, ash storage room fixed mounting is on screening case side wall surface.
As a still further scheme of the invention: screening case left and right sides inner wall symmetry sets up the guide rail, second screening case left and right sides symmetry sets up the slide, the slide is installed in the guide rail, slide and guide rail sliding connection.
Compared with the prior art, the invention has the beneficial effects that: the utility model provides a grit classified screening device for municipal works, driving motor drives first screening case and rotates, first screening case drives inside grit and carries out centrifugal motion, large granule grit is stayed first screening incasement, the grit falls to one-level screen cloth surface from first screening case, driving motor passes through the belt and drives bearing and pivot rotation, the bent axle promotes push rod and one-level screen cloth at the horizontal direction side-to-side motion at the rotation in-process, make the granule grit fall to second screening case through the one-level screen cloth, the pivot drives bottom bevel gear two and rotates, bevel gear two drives bevel gear one and dwang rotation, the dwang drives the eccentric wheel and rotates, it shakes about vertical direction to promote second screening case, the small grit granule on second grade screen cloth surface falls to the storage compartment, realize grading layer by layer, the screening efficiency is higher.
Drawings
FIG. 1 is a schematic structural diagram of a sand and stone classifying screen device for municipal works.
FIG. 2 is a schematic structural diagram of a sieve plate in the sand classifying and screening device for municipal engineering.
FIG. 3 is an enlarged schematic structural view of the site A in FIG. 1 of a sand classifying and screening apparatus for municipal works.
FIG. 4 is a schematic structural diagram of a second screening box in the sand classifying and screening device for municipal engineering.
FIG. 5 is a schematic structural diagram of a first screening box in the sand classifying and screening device for municipal engineering.
In the figure: 1-screening box; 2-a feed inlet; 3-driving a motor; 4-a conveying device; 5-a bearing; 6-a belt; 7-a rotating shaft; 8-a limiting sleeve; 9-a crankshaft; 10-a push rod; 11-a second screening bin; 12-bevel gear two; 13-bevel gear one; 14-a storage chamber; 15-supporting legs; 16-a discharge pipe; 17-a control valve; 18-an eccentric wheel; 19-rotating rods; 20-a secondary screen; 21-bearing plate; 22-first-stage screen mesh; 23-sieve plate; 24-material receiving port; 25-a first screening bin; 26-a ring-shaped card slot; 27-circular cassette; 28-dust suction port; 29-a fan; 30-air pipe; 31-ash storage chamber; 32-a buffer tank; 33-a telescoping spring; 34-a guide rail; 35-a slide seat; 36-mesh.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Example 1
Referring to fig. 1-5, a sand grading and screening device for municipal works comprises a screening box 1 and a conveying device 4, wherein the left and right sides of the top wall surface of the screening box 1 are symmetrically provided with feed inlets 2, the conveying device 4 is symmetrically installed above the feed inlets 2, the feed inlets 2 are extended and connected into the screening box 1, a first screening box 25 is arranged above the screening box 1, the left and right sides of the top wall of the first screening box 25 are symmetrically provided with receiving ports 24, sand to be screened and graded is placed on the surface of the conveying device 4, the conveying device 4 conveys the sand to the feed inlets 2, the sand in the feed inlets 2 can fall into the first screening box 25 through the receiving ports 24, the upper surface of the top wall of the screening box 1 is provided with a driving motor 3, the tail end of an output shaft of the driving motor 3 passes through the screening box 1 to be extended and fixedly connected with the first screening box 25, the bottom of the first screening box 25, sieve holes 36 are uniformly arranged on the surface of the sieve plate 23 at equal intervals, the sieve plate is rotated by the driving motor 3, the driving motor 3 drives the first sieving box 25 to rotate, the first sieving box 25 drives the internal sand and stone to do centrifugal motion, large-particle sand and stone are left in the first sieving box 25, small-particle sand and stone fall to the lower part of the first sieving box 25 from the sieve holes 36, a first-level sieve net 22 is arranged below the first sieving box 25, a rotating shaft 7 is arranged on the left side of the sieving box 1, the top end of the rotating shaft 7 is fixedly connected with a bearing 5, the bearing 5 is rotatably connected with an output shaft of the driving motor 3 by a belt 6, a crankshaft 9 is fixedly connected below the rotating shaft 7, the crankshaft 9 is rotatably connected with a push rod 10, the push rod 10 penetrates through the side wall of the sieving box 1 to extend and movably connect with the first-level sieve net 22, sand and stone fall to the surface of the first-level sieve net 22 from the first sieving box 25, the driving, the crankshaft 9 pushes the push rod 10 and the first-stage screen 22 to move left and right in the horizontal direction in the rotation process, so that small gravel particles fall to the lower part through the first-stage screen 22, larger gravel particles stay on the surface of the first-stage screen 22, the second screening box 11 is arranged below the first-stage screen 22, the bottom wall of the second screening box 11 is provided with the second-stage screen 20, the bottom of the second screening box 11 is provided with a rotating rod 19, the rotating rod 19 is rotatably connected with the left side wall and the right side wall of the screening box 1, eccentric wheels 18 are symmetrically arranged on the left side and the right side of the rotating rod 19, the left end of the rotating rod 19 penetrates through the side wall of the screening box 1 to extend and fixedly connect with a first bevel gear 13, the rotating shaft 7 is close to the tail end of one side of the first bevel gear 13 and is fixedly connected with a second bevel gear 12, the, through vibrations from top to bottom of second screening case 11, the tiny grit granule on second grade screen cloth 20 surface falls to second screening case 11 below, screening case 1 bottom sets up storage compartment 14, and tiny grit granule falls to the storage compartment 14 in to the realization is to the not classified screening and the collection of equidimension grit granule.
Further, in order to improve the stability of the first screening box 25 in the rotation process, in this embodiment, an annular clamping groove 26 is formed in the surface of the inner wall of the screening box 1, a circular clamping seat 27 is formed in the surface of the outer side wall of the first screening box 25, the circular clamping seat 27 is installed in the annular clamping groove 26, and the circular clamping seat 27 is slidably connected with the annular clamping groove 26.
Further, in order to fix pivot 7, in this embodiment, both sides all set up stop sleeve 8 about pivot 7, stop sleeve 8 and screening case 1 left side wall fixed connection.
Further, in order to ensure that the gravel particles screened by the primary screen 22 fall into the second screening box 11, in this embodiment, the bearing plates 21 are symmetrically arranged on the left and right sides of the second screening box 11.
Further, in order to improve the stability of vibrations about the horizontal direction of one-level screen cloth 22, in this embodiment, screening case 1 right side inner wall sets up dashpot 32, set up expanding spring 33 in the dashpot 32, expanding spring 33 and screening case 1 right side wall fixed connection, one side and one-level screen cloth 22 fixed connection of screening case 1 are kept away from to expanding spring 33.
Further, in order to fixedly support the equipment, in the embodiment, the left and right sides of the bottom wall of the storage chamber 14 are symmetrically and fixedly provided with the supporting legs 15.
Furthermore, in order to control the amount of material discharged from the storage chamber 14, in the present embodiment, a discharge pipe 16 is disposed at the bottom of the storage chamber 14, and a control valve 17 is disposed between the discharge pipe 16 and the storage chamber 14.
Furthermore, a large amount of dust can appear when the sand and stone are screened and classified in a vibration mode, in order to remove the dust and avoid the dust from polluting air, in the embodiment, the right side wall of the screening box 1 is provided with the fan 29, the fan 29 is connected with the dust suction port 28, the bottom of the fan 29 is connected with the dust storage chamber 31 through the air pipe 30, the dust storage chamber 31 is fixedly installed on the surface of the side wall of the screening box 1, and the fan 29 sucks the dust in the screening box 1 into the dust storage chamber 31 through the dust suction port 28 and the air pipe 30.
Example 2
Referring to fig. 1, on the basis of embodiment 1, in order to drive the second screening box 11 to vibrate up and down, so as to facilitate screening and grading of sand, the rotating shaft 7 rotates, the rotating shaft 7 drives the bottom bevel gear two 12 to rotate, the bevel gear two 12 drives the bevel gear one 13 and the rotating rod 19 to rotate, and the rotating rod 19 drives the eccentric wheel 18 to rotate, so as to drive the second screening box 11 to vibrate up and down in the vertical direction.
Further, in order to improve the stability of second screening case 11 in the vertical direction vibrations process from top to bottom, in this embodiment, screening case 1 left and right sides inner wall symmetry sets up guide rail 34, second screening case 11 left and right sides symmetry sets up slide 35, slide 35 installs in guide rail 34, slide 35 and guide rail 34 sliding connection.
The working principle of the invention is as follows: a sand grading screening device for municipal engineering places graded sand to be screened on the surface of a conveying device 4, the conveying device 4 conveys the sand to a feed inlet 2, the sand in the feed inlet 2 can fall into a first screening box 25 through a material receiving port 24, the driving motor 3 rotates to drive the first screening box 25 to rotate, the first screening box 25 drives the inner sand to do centrifugal motion, large-particle sand is left in the first screening box 25, the sand falls from the first screening box 25 to the surface of a first-level screen 22, the driving motor 3 rotates through the driving motor 3, the driving motor 3 drives a bearing 5 and a rotating shaft 7 to rotate through a belt 6, a crankshaft 9 pushes a push rod 10 and the first-level screen 22 to move left and right in the horizontal direction in the rotating process, small-particle sand falls to the lower part through the first-level screen 22, and larger particles stay on the surface of the first-level screen 22, rotate through pivot 7, pivot 7 drives bottom bevel gear two 12 and rotates, bevel gear two 12 drive bevel gear 13 and dwang 19 rotate, dwang 19 drives eccentric wheel 18 and rotates, promotes second screening case 11 vibrations from top to bottom in vertical direction, the tiny grit granule on second grade screen cloth 20 surface falls to second screening case 11 below, screening case 1 bottom sets up storage compartment 14, and tiny grit granule falls to in the storage compartment 14.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (9)
1. The utility model provides a grit classified screening device for municipal works, includes screening case (1) and carries dress (4), its characterized in that, screening case (1) roof surface left and right sides symmetry sets up feed inlet (2), conveyor (4) symmetry is installed in feed inlet (2) top, feed inlet (2) extend to be connected to in screening case (1), the top sets up first screening case (25) in screening case (1), the first screening case (25) roof left and right sides symmetry sets up connects material mouth (24), screening case (1) roof upper surface sets up driving motor (3), driving motor (3) output shaft end passes screening case (1) and extends fixed connection first screening case (25), first screening case (25) bottom sets up sieve (23), sieve (23) surface equidistance evenly sets up sieve mesh (36), the screening box is characterized in that a first-level screen mesh (22) is arranged below the first screening box (25), a rotating shaft (7) is arranged on the left side of the screening box (1), a bearing (5) is fixedly connected to the top end of the rotating shaft (7), the bearing (5) is rotatably connected with an output shaft of a driving motor (3) through a belt (6), a crankshaft (9) is fixedly connected to the lower side of the rotating shaft (7), the crankshaft (9) is rotatably connected with a push rod (10), the push rod (10) penetrates through the side wall of the screening box (1) to extend to be movably connected with the first-level screen mesh (22), a second screening box (11) is arranged below the first-level screen mesh (22), a second-level screen mesh (20) is arranged on the bottom wall of the second screening box (11), a rotating rod (19) is arranged at the bottom of the second screening box (11), the rotating rod (19) is rotatably connected with the left side wall and the, dwang (19) left side end passes screening case (1) lateral wall and extends fixed connection bevel gear (13), one side end fixed connection bevel gear two (12) that pivot (7) are close to bevel gear (13), bevel gear two (12) and bevel gear (13) meshing, screening case (1) bottom sets up storage compartment (14).
2. The sand grading and screening device for municipal engineering according to claim 1, wherein the inner wall surface of the screening box (1) is provided with an annular clamping groove (26), the outer side wall surface of the first screening box (25) is provided with a circular clamping seat (27), the circular clamping seat (27) is installed in the annular clamping groove (26), and the circular clamping seat (27) is connected with the annular clamping groove (26) in a sliding manner.
3. The sand grading and screening device for the municipal engineering according to claim 1, wherein the upper side and the lower side of the rotating shaft (7) are provided with limiting sleeves (8), and the limiting sleeves (8) are fixedly connected with the left side wall of the screening box (1).
4. The sand grading and screening device for municipal engineering according to claim 1, wherein the second screening box (11) is provided with the bearing plates (21) symmetrically on the left and right sides.
5. The sand grading and screening device for the municipal engineering according to claim 1 or 2, characterized in that a buffer groove (32) is formed in the inner wall of the right side of the screening box (1), an expansion spring (33) is arranged in the buffer groove (32), the expansion spring (33) is fixedly connected with the right side wall of the screening box (1), and one side, far away from the screening box (1), of the expansion spring (33) is fixedly connected with the first-stage screen (22).
6. The sand grading and screening device for municipal engineering according to claim 1, wherein the left and right sides of the bottom wall of the storage chamber (14) are symmetrically and fixedly provided with supporting legs (15).
7. The municipal engineering gravel classifying and screening device according to claim 1 or 6, wherein a discharge pipe (16) is arranged at the bottom of the storage chamber (14), and a control valve (17) is arranged between the discharge pipe (16) and the storage chamber (14).
8. The sand grading and screening device for the municipal engineering according to claim 1, wherein a fan (29) is arranged on the right side wall of the screening box (1), the fan (29) is connected with a dust suction port (28), the bottom of the fan (29) is connected with an ash storage chamber (31) through an air pipe (30), and the ash storage chamber (31) is fixedly arranged on the side wall surface of the screening box (1).
9. The sand grading and screening device for the municipal engineering according to claim 1 or 2, wherein the inner walls of the left side and the right side of the screening box (1) are symmetrically provided with guide rails (34), the left side and the right side of the second screening box (11) are symmetrically provided with sliding seats (35), the sliding seats (35) are installed in the guide rails (34), and the sliding seats (35) are slidably connected with the guide rails (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010765039.8A CN111842123A (en) | 2020-08-03 | 2020-08-03 | Grit classified screening device for municipal works |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010765039.8A CN111842123A (en) | 2020-08-03 | 2020-08-03 | Grit classified screening device for municipal works |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111842123A true CN111842123A (en) | 2020-10-30 |
Family
ID=72954269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010765039.8A Withdrawn CN111842123A (en) | 2020-08-03 | 2020-08-03 | Grit classified screening device for municipal works |
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| Country | Link |
|---|---|
| CN (1) | CN111842123A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845005A (en) * | 2021-01-06 | 2021-05-28 | 中国十七冶集团有限公司 | Grit sieving mechanism for construction |
| CN112974247A (en) * | 2020-11-24 | 2021-06-18 | 宁夏瑞远石油压裂支撑剂有限公司 | Sand system is washed to multistage sieve |
| CN113018970A (en) * | 2021-02-25 | 2021-06-25 | 杭州华杰商品混凝土有限公司 | Sand and stone separation, recycling and reusing method and device |
| CN113510068A (en) * | 2021-08-11 | 2021-10-19 | 安徽科技学院 | Tobacco quality screening and grading device |
| CN114146919A (en) * | 2021-11-29 | 2022-03-08 | 江西三合环保材料科技有限公司 | Mould powder classified screening device |
| CN114146769A (en) * | 2021-12-02 | 2022-03-08 | 安徽富瑞雪化工科技股份有限公司 | Grading crushing device for production and processing of super absorbent resin |
| CN114192393A (en) * | 2021-12-06 | 2022-03-18 | 天津市统建混凝土有限公司 | Grit divides sieve device for concrete preparation |
| CN114393635A (en) * | 2022-03-04 | 2022-04-26 | 承德石油高等专科学校 | Dust extraction is used in building templates cutting |
| CN115055375A (en) * | 2022-05-31 | 2022-09-16 | 吴江市胜天包装输送机械有限责任公司 | Winnowing equipment for granular materials |
| CN115591758A (en) * | 2022-10-09 | 2023-01-13 | 徐州企润食品有限公司（Cn） | Melon seed roasted seeds and nuts processing is with classified screening device |
| CN117138983A (en) * | 2023-10-30 | 2023-12-01 | 久精日坩(江苏)新材料科技有限公司 | Refractory material screening device |
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2020
- 2020-08-03 CN CN202010765039.8A patent/CN111842123A/en not_active Withdrawn
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112974247A (en) * | 2020-11-24 | 2021-06-18 | 宁夏瑞远石油压裂支撑剂有限公司 | Sand system is washed to multistage sieve |
| CN112845005A (en) * | 2021-01-06 | 2021-05-28 | 中国十七冶集团有限公司 | Grit sieving mechanism for construction |
| CN113018970A (en) * | 2021-02-25 | 2021-06-25 | 杭州华杰商品混凝土有限公司 | Sand and stone separation, recycling and reusing method and device |
| CN113510068A (en) * | 2021-08-11 | 2021-10-19 | 安徽科技学院 | Tobacco quality screening and grading device |
| CN114146919A (en) * | 2021-11-29 | 2022-03-08 | 江西三合环保材料科技有限公司 | Mould powder classified screening device |
| CN114146769A (en) * | 2021-12-02 | 2022-03-08 | 安徽富瑞雪化工科技股份有限公司 | Grading crushing device for production and processing of super absorbent resin |
| CN114192393A (en) * | 2021-12-06 | 2022-03-18 | 天津市统建混凝土有限公司 | Grit divides sieve device for concrete preparation |
| CN114393635A (en) * | 2022-03-04 | 2022-04-26 | 承德石油高等专科学校 | Dust extraction is used in building templates cutting |
| CN114393635B (en) * | 2022-03-04 | 2023-12-22 | 承德石油高等专科学校 | Dust extraction for building templates cutting |
| CN115055375A (en) * | 2022-05-31 | 2022-09-16 | 吴江市胜天包装输送机械有限责任公司 | Winnowing equipment for granular materials |
| CN115591758A (en) * | 2022-10-09 | 2023-01-13 | 徐州企润食品有限公司（Cn） | Melon seed roasted seeds and nuts processing is with classified screening device |
| CN115591758B (en) * | 2022-10-09 | 2023-08-11 | 徐州企润食品有限公司 | Hierarchical sieving mechanism is used in processing of melon seed roasted seeds |
| CN117138983A (en) * | 2023-10-30 | 2023-12-01 | 久精日坩(江苏)新材料科技有限公司 | Refractory material screening device |
| CN117138983B (en) * | 2023-10-30 | 2023-12-26 | 久精日坩(江苏)新材料科技有限公司 | Refractory material screening device |
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