CN110152971A - A kind of municipal construction anti-clogging sand screening crushing device - Google Patents
A kind of municipal construction anti-clogging sand screening crushing device Download PDFInfo
- Publication number
- CN110152971A CN110152971A CN201810178460.1A CN201810178460A CN110152971A CN 110152971 A CN110152971 A CN 110152971A CN 201810178460 A CN201810178460 A CN 201810178460A CN 110152971 A CN110152971 A CN 110152971A
- Authority
- CN
- China
- Prior art keywords
- shaft
- roller
- risers
- fixedly connected
- crush box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
-
- 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
-
- 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
- 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
- B07B1/54—Cleaning with beating devices
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a kind of municipal construction anti-clogging sands to screen crushing device, including pedestal, base top is fixedly installed supporting plate by supporting leg, the left and right sides is fixedly installed left risers and right risers respectively at the top of supporting plate, roller is provided between left risers and right risers, the left and right sides is fixedly installed baffle respectively in roller, and cylinder wall offers several rectangular openings, and rectangular opening is fixedly connected with curved screen；It is fixed by the bracket on the right side of base top and is provided with crush box, the crushing box inner wall, which is fixedly connected with, rolls cylinder, third decelerating motor is fixedly installed at crush box crush box top center, third decelerating motor bottom end motor shaft passes through crush box roof and is fixedly connected with tortuous axis, is rotatably connected to milling roller by bearing on tortuous axis.The present invention rolls cylinder by being arranged in crush box, rolls crushing to the sand of larger particles along an inner wall circumferential movement is rolled with milling roller, carries out sand recycling, economize on resources.
Description
Technical field
The present invention relates to municipal construction field of mechanical technique, specifically a kind of municipal construction anti-clogging sand screening is pulverized
Device.
Background technique
In China, urban operating mechanism, which refers to, to be arranged, based on government responsibility and justice within the scope of metropolitan district, town (township) planning construction
Business provides the various buildings, structures, equipment etc. of paid or free public product and service for resident.Urban life is matched
Various public infrastructure developments belong to municipal works scope, such as common urban road, bridge, subway, for example, with life
The various pipelines living being closely related, the construction of urban afforestation etc. belong to municipal works scope.Sand is a kind of in municipal construction
A kind of commonly used raw material often cannot directly bring use, need in sand containing impurity such as a large amount of rubble and soil blocks
It could be used after screening.
Many units in charge of construction are husky using artificial sieve, heavy workload, low efficiency, and labor intensity is also very big；In order to improve work
Efficiency, it is husky that some units in charge of construction using screening machine carry out sieve, although common sand sieving machine can improve the husky speed of sieve, sieve sand efficiency according to
Old not high, sand sieving machine feed inlet is generally higher, feeds more troublesome, and sieve is easy blocking during sieve is husky, influences to sieve husky effect；
The biggish sand of particle is often rejected after screening, leads to the waste in resource.
Summary of the invention
The purpose of the present invention is to provide a kind of municipal construction anti-clogging sands to screen crushing device, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of municipal construction anti-clogging sand screening crushing device, including pedestal, the base top are set by the way that supporting leg is fixed
It is equipped with supporting plate, supporting plate tilts to the right, and the left and right sides is fixedly installed left risers and right risers respectively at the top of the supporting plate, institute
It states and is provided with roller between left risers and right risers, the left and right sides is fixedly installed baffle, baffle and rolling respectively in the roller
Cylinder inner wall junction is circumferentially uniformly provided with several material mouth, the cylinder walls excessively and offers several rectangular openings, and rectangular opening is fixed
It is connected with curved screen；The rectangular opening with roller cooperation is offered on the supporting plate；Third is provided at the cylinder axis to turn
Axis, third shaft left and right ends are each passed through left baffle and are fixedly connected with baffle and third shaft left and right ends are respectively at a left side
Vertical plate and right risers rotation connection, the right risers right side wall are further fixedly arranged on second reducing motors, and second reducing motors are left
End motor shaft is fixedly connected in third shaft right end；The second shaft is also rotatably connected between the left risers and right risers, the
Two shafts are located above roller and the second shaft right end is connect by belt gear with third shaft, the supporting plate top right
Side is also fixedly connected with blow tank, and blow tank right end extends on the right side of branch plate cylinder；It is solid by bracket on the right side of the base top
Surely it is provided with crush box, the blow tank blow tank passes through upper left side in the blow tank of crushing box side wall connection；The crush box
Inner sidewall, which is fixedly connected with, rolls cylinder, and rolling tube inner chamber is in rounding mesa-shaped, and fixation is set at the crush box crush box top center
It is equipped with third decelerating motor, third decelerating motor bottom end motor shaft passes through crush box roof and is fixedly connected with tortuous axis, the powder
Broken bottom wall is provided with opening, and opening is fixedly connected with rolling bearing units by connecting rod, and rolling bearing units and tortuous axis bottom end rotate
Connection is rotatably connected to milling roller by bearing on the complications axis, milling roller and rolls at the top of cylinder cooperation and milling roller in justifying
Mesa-shaped.
As a further solution of the present invention: being further fixedly arranged on promotion bucket on the left of the base top, promoted at the top of bucket
First reducing motors are fixedly installed at center, first reducing motors bottom end motor shaft passes through promotion bucket roof and is fixedly connected
There are shaft, first reducing motors bottom end and promotion bucket bottom wall rotation connection, the promotion bucket inner top and bottom are respectively connected with close
Seal；It is fixedly installed with helical blade in the shaft, charging box is further fixedly arranged on the left of the base top, charging box is right
Inferior horn is connected to the bucket lower left corner is promoted, and base side wall upper right corner discharge port is connected with discharge duct, and discharge duct discharge port passes through
Left side in the roller of left risers connection.
As further scheme of the invention: the second shaft side wall is fixedly connected with several rubber strips, rubber strip
Above curved screen.
As further scheme of the invention: the rubber strip is staggered up and down.
As further scheme of the invention: the diameter pulley connecting with third shaft is greater than to be connect with the second shaft
Diameter pulley.
As further scheme of the invention: supporting plate opening lower section is additionally provided with blanking groove, and blanking groove passes through branch
Frame is fixedly connected with top leg, and the blanking groove is V-shaped, the blanking groove forward downward inclination.
Compared with prior art, the beneficial effects of the present invention are:
The present invention drives sand to move upwards carry out automatic charging by the helical blade rotation promoted in bucket, uses more square
Just；Drive sand movement to carry out sand screening by the rotation of roller, screening efficiency is higher；By rubber strip rotation to
To patting, prevent sand from blocking sieve pore；The sieve after screening is concentrated by the way that " V " shape blanking groove is arranged, after convenient
It is continuous to use；Cylinder is rolled by being arranged in crush box, inner wall circumferential movement is rolled to the sand of larger particles with milling roller edge
Crushing is rolled, sand recycling is carried out, economizes on resources.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that municipal construction anti-clogging sand screens crushing device.
Fig. 2 is the partial structural diagram that municipal construction screens that sieve in crushing device is in the direction A with anti-clogging sand.
Fig. 3 is the partial structural diagram in municipal construction anti-clogging sand screening crushing device at crush box.
Fig. 4 is the structural schematic diagram that municipal construction anti-clogging sand screens tortuous axis in crushing device.
Fig. 5 is the structural schematic diagram that municipal construction anti-clogging sand screens blanking groove in crushing device.
In figure: in figure: 1- pedestal, 2- charging box, 3- promote bucket, 4- helical blade, 5- first rotating shaft, 6- first slow down electricity
Machine, 7- discharge duct, 8- supporting plate, 9- left risers, 10- roller, 11- baffle, 12- cross material mouth, 13- curved screen, second turn of 14-
Axis, 15- rubber strip, 16- third shaft, 17- belt gear, 18- right risers, 19- second reducing motors, 20- blow tank,
21- crush box, 22- third decelerating motor, 23- complications axis, 24- milling roller, 25- roll cylinder, 26- connecting rod, 27- rolling bearing units,
28- blanking groove.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please referring to Fig. 1~5, in the embodiment of the present invention, a kind of municipal construction screens crushing device with anti-clogging sand, including
Including pedestal 1, supporting plate 8 is fixedly installed by supporting leg at the top of the pedestal 1, supporting plate 8 tilts to the right；The supporting plate 8 pushes up
It is fixedly installed left risers 9 and right risers 18 respectively at left and right sides of portion, is provided with roller between the left risers 9 and right risers 18
10, the interior left and right sides of the roller 10 is fixedly installed baffle 11 respectively, and baffle 11 and 10 inner wall junction of roller are circumferentially uniform
It offers several material mouth 12,10 side walls of roller excessively and offers several rectangular openings, rectangular opening is fixedly connected with curved screen 13；
Sand to be screened is added on the left of roller 10, the right cunning of sand falls after the screening of curved screen 13, the sand of larger particles
Or stone etc. is discharged on the right side of roller 10；The rectangular opening cooperated with roller 10 is offered on the supporting plate 8, the sand after facilitating screening
Son falls；Third shaft 16 is provided at 10 axis of roller, 16 left and right ends of third shaft are each passed through left baffle 11
And it is fixedly connected with baffle 11 and 16 left and right ends of third shaft are rotatablely connected respectively at left risers 9 and right risers 18, the right side
18 right side wall of vertical plate is further fixedly arranged on second reducing motors 19, and 19 left end motor shaft of second reducing motors is right in third shaft 16
End is fixedly connected, and is rotated by second reducing motors 19 while roller 10 being driven to rotate, and the rotation of roller 10 drives sand rotation, into
Row screening；The second shaft 14 is also rotatably connected between the left risers 9 and right risers 18, the second shaft 14 is located on roller 10
Side and 14 right end of the second shaft pass through belt gear 17 and connect with third shaft 16, so that when third shaft 16 rotates
The second shaft 14 is driven to rotate, 14 side wall of the second shaft is fixedly connected with several rubber strips 15, and rubber strip 15 is located at arc
13 top of sieve, the rotation of the second shaft 14 drive the rotation of rubber strip 15 to pat curved screen 13, prevent sand stifled
Fill in 13 sieve pore of curved screen；It is straight that the diameter pulley connecting with third shaft 16 is greater than the belt pulley connecting with the second shaft 14
Diameter, so that 14 revolving speed of the second shaft is faster；About 15 rubber strip is staggered, and carries out alternately beating, anti-clogging effect is more
It is good；8 top right side of supporting plate is also fixedly connected with blow tank 20, and 20 right end of blow tank extends to 10 right side of branch plate cylinder, side
Just the biggish sand of volume slides from blow tank 20；The opening of supporting plate 8 lower section is additionally provided with blanking groove 26, and blanking groove 26 is logical
Bracket to be crossed to be fixedly connected with 01 top leg, the blanking groove 26 is V-shaped, 26 forward downward of the blanking groove inclination, so that
The sand that screening is fallen slides forward aggregation, puts and just uses；
1 top left side of pedestal, which is further fixedly arranged on, promotes bucket 3, is promoted and is fixedly installed the first deceleration at 3 top center of bucket
Motor 6, the 6 bottom end motor shaft of first reducing motors pass through promotion 3 roof of bucket and are fixedly connected with shaft 5, first reducing motors 6
Bottom end and promote the rotation connection of 3 bottom wall of bucket, 3 inner top of promotions bucket and bottom be respectively connected with sealing ring, prevent sand to turn
The rotation of axis 5 impacts；Helical blade 4 is fixedly installed in the shaft 5,1 top left side of pedestal is further fixedly arranged on
Charging box 2,2 lower right corner of charging box are connected to 3 lower left corner of bucket is promoted, and the 1 side wall upper right corner discharge port of pedestal is connected with discharging
Pipe 7,7 discharge port of discharge duct pass through left side in the roller 10 of 9 connection of left risers；Sand is driven to transport upwards when helical blade 4 rotates
It is dynamic, sand can be transported to automatically in splicing cylinder 8 by adding sand into charging box 2, so that sand is automatically into roller
It is screened, is used more convenient in 10；
1 top right side of pedestal, which is fixed by the bracket, is provided with crush box 21, and the blow tank blow tank 20 passes through crush box
Upper left side in the blow tank 20 of 21 side wall connections；21 inner sidewall of crush box, which is fixedly connected with, rolls cylinder 25, rolls in cylinder 25
Chamber is in rounding mesa-shaped, and third decelerating motor 22 is fixedly installed at 21 top center of crush box crush box, and third is slowed down electric
22 bottom end motor shaft of machine passes through 21 roof of crush box and is fixedly connected with tortuous axis 23, and 21 bottom wall of crush box is provided with opening,
Opening is fixedly connected with rolling bearing units 27 by connecting rod 26, and rolling bearing units 27 and tortuous 23 bottom end of axis are rotatablely connected, the song
Milling roller 24 is rotatably connected to by bearing on folding axis 23, milling roller 24 cooperates and at the top of milling roller 24 with cylinder 25 is rolled in rotary table
Shape facilitates sand to slide；It may make milling roller 24 along rolling 25 inner wall circumferential movement of cylinder by the rotation of third decelerating motor 22,
The sand of larger particles is carried out to roll crushing, sand recycling is carried out, economizes on resources, smashed sand can screen again.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of municipal construction screens crushing device with anti-clogging sand, including, which is characterized in that including pedestal (1), the bottom
It is fixedly installed supporting plate (8) at the top of seat (1) by supporting leg, supporting plate (8) tilts to the right, which is characterized in that the supporting plate (8)
It is fixedly installed left risers (9) and right risers (18) respectively at left and right sides of top, between the left risers (9) and right risers (18)
It is provided with roller (10), the left and right sides is fixedly installed baffle (11) respectively in the roller (10), baffle (11) and roller
(10) inner wall junction is circumferentially uniformly provided with several mistakes material mouth (12), and roller (10) side wall offers several rectangular openings,
Rectangular opening is fixedly connected with curved screen (13)；The rectangular opening with roller (10) cooperation is offered on the supporting plate (8)；The rolling
Cylinder (10) axis at be provided with third shaft (16), third shaft (16) left and right ends be each passed through left baffle (11) and with gear
Plate (11) is fixedly connected and third shaft (16) left and right ends are rotatablely connected respectively at left risers (9) and right risers (18), described
Right risers (18) right side wall is further fixedly arranged on second reducing motors (19), and second reducing motors (19) left end motor shaft is in third
Shaft (16) right end is fixedly connected；It is also rotatably connected to the second shaft (14) between the left risers (9) and right risers (18), the
Two shafts (14) are located above roller (10) and the second shaft (14) right end passes through belt gear (17) and third shaft
(16) it connects, supporting plate (8) top right side is also fixedly connected with blow tank (20), and blow tank (20) right end extends to supporting plate rolling
On the right side of cylinder (10).
2. municipal construction according to claim 1 screens crushing device with sandstone, which is characterized in that pedestal (1) top
It is further fixedly arranged on the left of portion and promotes bucket (3), promoted and be fixedly installed first reducing motors (6) at bucket (3) top center, it is described
First reducing motors (6) bottom end motor shaft passes through promotion bucket (3) roof and is fixedly connected with shaft (5), first reducing motors (6) bottom
End is rotatablely connected with bucket (3) bottom wall is promoted, and promotion bucket (3) inner top and bottom are respectively connected with sealing ring；The shaft (5)
On be fixedly installed with helical blade (4), pedestal (1) top left side is further fixedly arranged on charging box (2), and charging box (2) is right
Inferior horn is connected to bucket (3) lower left corner is promoted, and pedestal (1) side wall upper right corner discharge port is connected with discharge duct (7), discharge duct
(7) discharge port passes through left side in the roller (10) of left risers (9) connection；Pedestal (1) top right side, which is fixed by the bracket, to be set
It is equipped with crush box (21), the blow tank blow tank (20) passes through blow tank (20) interior upper left of crush box (21) side wall connection
Side；Crush box (21) inner sidewall, which is fixedly connected with, rolls cylinder (25), rolls cylinder (25) inner cavity in rounding mesa-shaped, the crushing
It is fixedly installed third decelerating motor (22) at case crush box (21) top center, third decelerating motor (22) bottom end motor shaft is worn
It crosses crush box (21) roof to be fixedly connected with tortuous axis (23), crush box (21) bottom wall is provided with opening, and opening passes through
Connecting rod (26) is fixedly connected with rolling bearing units (27), and rolling bearing units (27) and tortuous axis (23) bottom end are rotatablely connected, the complications
Be rotatably connected to milling roller (24) on axis (23) by bearing, milling roller (24) and roll cylinder (25) cooperation and milling roller (24) push up
Portion is in a circular table shape.
3. municipal construction according to claim 1 screens crushing device with sandstone, which is characterized in that second shaft
(14) side wall is fixedly connected with several rubber strips (15), and rubber strip (15) is located above curved screen (13).
4. municipal construction according to claim 3 screens crushing device with sandstone, which is characterized in that the rubber strip (15)
It is staggered up and down.
5. municipal construction according to claim 1 screens crushing device with sandstone, which is characterized in that with third shaft (16)
The diameter pulley of connection is greater than the diameter pulley connecting with the second shaft (14).
6. municipal construction according to claim 1 screens crushing device with sandstone, which is characterized in that the supporting plate (8) is opened
It is additionally provided with blanking groove (26) below mouthful, blanking groove (26) is fixedly connected by bracket with (01) top leg, the blanking groove
(26) V-shaped, blanking groove (26) the forward downward inclination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810178460.1A CN110152971B (en) | 2018-03-05 | 2018-03-05 | Municipal construction is with preventing blockking up sand screening milling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810178460.1A CN110152971B (en) | 2018-03-05 | 2018-03-05 | Municipal construction is with preventing blockking up sand screening milling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110152971A true CN110152971A (en) | 2019-08-23 |
| CN110152971B CN110152971B (en) | 2021-09-14 |
Family
ID=67635691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810178460.1A Active CN110152971B (en) | 2018-03-05 | 2018-03-05 | Municipal construction is with preventing blockking up sand screening milling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110152971B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110721908A (en) * | 2019-09-29 | 2020-01-24 | 贞丰县恒山建材有限责任公司 | Facing sand screening equipment for water permeable bricks |
| CN110743778A (en) * | 2019-10-16 | 2020-02-04 | 青铜峡市民乐农业机械有限公司 | Fertilizer screening installation |
| CN110899613A (en) * | 2019-12-20 | 2020-03-24 | 六安七茗道机电科技有限公司 | Renewing machine for casting sand mould |
| CN112170163A (en) * | 2020-09-30 | 2021-01-05 | 中联湘谯建材有限公司 | Efficient sand screening machine for producing concrete and working method thereof |
| CN112716004A (en) * | 2021-01-07 | 2021-04-30 | 彭延法 | Automatic turning device for vegetable dehydration equipment |
| CN114178164A (en) * | 2021-11-11 | 2022-03-15 | 胡佩红 | Novel energy-concerving and environment-protective grit refines screening device |
| CN115007435A (en) * | 2022-04-21 | 2022-09-06 | 湖南望新建设集团股份有限公司 | Hierarchical formula screening sand processing apparatus for engineering |
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| CN110721908A (en) * | 2019-09-29 | 2020-01-24 | 贞丰县恒山建材有限责任公司 | Facing sand screening equipment for water permeable bricks |
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| CN110899613A (en) * | 2019-12-20 | 2020-03-24 | 六安七茗道机电科技有限公司 | Renewing machine for casting sand mould |
| CN112170163A (en) * | 2020-09-30 | 2021-01-05 | 中联湘谯建材有限公司 | Efficient sand screening machine for producing concrete and working method thereof |
| CN112716004A (en) * | 2021-01-07 | 2021-04-30 | 彭延法 | Automatic turning device for vegetable dehydration equipment |
| CN114178164A (en) * | 2021-11-11 | 2022-03-15 | 胡佩红 | Novel energy-concerving and environment-protective grit refines screening device |
| CN114178164B (en) * | 2021-11-11 | 2023-08-11 | 青铜峡市晨迪石英砂精加工有限公司 | Energy-saving and environment-friendly gravel refining and screening device |
| CN115007435A (en) * | 2022-04-21 | 2022-09-06 | 湖南望新建设集团股份有限公司 | Hierarchical formula screening sand processing apparatus for engineering |
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