CN112829064B - Cement paste refining device - Google Patents
Cement paste refining device Download PDFInfo
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- CN112829064B CN112829064B CN202110039963.2A CN202110039963A CN112829064B CN 112829064 B CN112829064 B CN 112829064B CN 202110039963 A CN202110039963 A CN 202110039963A CN 112829064 B CN112829064 B CN 112829064B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/48—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected by vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention relates to the technical field of refining devices, in particular to a cement paste refining device, which comprises a base, wherein supporting plates are fixedly connected and arranged at the tops of the front end and the rear end of the base, a refining box is arranged between the supporting plates at the two sides, the refining box is connected with the base through a support mechanism capable of vibrating, and a stirring mechanism is arranged at the inner side of the refining box. And the continuous real-time refining treatment mode greatly improves the refining effect.
Description
Technical Field
The invention relates to the technical field of thinning devices, in particular to a cement paste thinning device.
Background
The cement slurry is the working fluid used in well cementation, the function of the cement slurry is well cementation, the well cementation operation is that the casing injects the cement slurry into the annular space between the well wall and the casing and enables the cement slurry to return to a certain height, the cement slurry is then changed into cement stone to solidify the well wall and the casing, the cement slurry is composed of water, cement, an additive and an admixture, and the additive and the admixture of the cement slurry are used for adjusting the performance of the cement slurry.
The cement paste refining device is used for precisely processing cement paste, so that the mixing fineness in the cement paste is greatly improved, the quality of the cement paste is improved, the particle size in the cement paste is reduced, impurities in the cement paste are processed, the existing cement paste device has certain defects in use, the existing cement paste device cannot be used for grading refining, and the refining effect is not good enough.
Disclosure of Invention
The invention aims to provide a cement paste refining device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a grout refines device, includes the base, the equal fixed connection in both ends top is provided with the backup pad around the base, both sides be provided with between the backup pad and refine the case, refine and be connected through the supporting mechanism that can vibrate between case and the base, it is provided with rabbling mechanism to refine the incasement side.
As a further scheme of the invention: refine case right side fixed connection and be provided with a plurality of discharging pipes, it is adjacent be provided with the baffle between the discharging pipe, baffle fixed connection sets up and refines the incasement side, the baffle inboard is provided with and is used for hierarchical screening mechanism.
As a further scheme of the invention: screening mechanism is including setting up the feed opening on the baffle, the inboard fixed connection of feed opening is provided with the screen cloth, both ends downside all is provided with baffle sliding connection's baffle about the screen cloth, the baffle is located the inboard one end outside fixed connection of baffle and is provided with the fly leaf, fly leaf and baffle sliding connection, it is provided with fixed frame to refine the equal fixed connection in case left and right sides, the inboard fixed connection of fixed frame is provided with the telescopic link, the telescopic link other end and fly leaf fixed connection.
As a further scheme of the invention: and the apertures of the meshes of the screen mesh positioned at the inner side of the feed opening are sequentially reduced from top to bottom.
As a further scheme of the invention: the stirring mechanism comprises a driving rod rotatably connected and arranged at the top of the inner side of the refining box, a control frame fixedly connected with the refining box is arranged on the outer side of the top end of the driving rod, a first motor used for driving the driving rod is arranged on the inner side of the control frame in a bolted connection mode, a driven rod rotatably connected with the control frame is arranged on the left side of the driving rod, the driving rod and the driven rod are connected through a transmission gear in a meshed mode, a transmission rod is rotatably connected and arranged at the left end and the right end of the inner side of the refining box, a second belt wheel is fixedly connected and arranged on the outer sides of the driving rod and the driven rod, the second belt wheels on the adjacent sides are connected through a second belt, a fixed plate is fixedly connected and arranged at the left end and the right end of the inner side of the discharging opening, a rotating rod is rotatably connected and arranged at the bottom of the fixed plate, and a first belt wheel is fixedly connected and arranged on the outer sides of the rotating rod and the transmission rod, and the adjacent sides are connected through a first belt between the first belt wheels, and a plurality of stirring rods are fixedly connected to the outer sides of the driving rod, the driven rod and the rotating rod.
As a further scheme of the invention: the supporting mechanism comprises connecting rods fixedly connected with the front side and the rear side of the refining box, the other ends of the connecting rods are rotatably connected with sliding blocks arranged on the inner side of the supporting plate in a sliding mode, the bottom ends of the sliding blocks are connected with a vibrating mechanism arranged on the inner side of the base, the rear side of the sliding blocks is provided with a third motor in a bolt connection mode at the top of the sliding blocks, and the output end of the third motor is connected with the connecting rods through gear engagement.
As a further scheme of the invention: the vibration mechanism comprises a second motor which is arranged on the inner side of the base in a bolt connection mode, the top of the second motor is fixedly connected with a cam, the front side and the rear side of the cam are both provided with movable blocks which are connected with the base in a sliding way, the left side and the right side of each movable block are both provided with limit grooves, the inner side of the limit groove is provided with a limit rod fixedly connected with the base in a sliding connection way, the front end and the rear end of the inner side of the base are both fixedly connected with L-shaped connecting plates, a first piston is arranged at the inner side of one end of the L-shaped connecting plate close to the second motor in a sliding connection mode, a sliding plate in sliding connection with the L-shaped connecting plate is fixedly connected between the first piston and the movable block, the inner side of the other end of the L-shaped connecting plate is provided with a second piston in a sliding connection mode, the top of the second piston is fixedly connected with a push plate fixedly connected with the sliding block, and damping liquid is arranged between the first piston and the second piston.
Compared with the prior art, the invention has the beneficial effects that:
1. by arranging the screening mechanism and utilizing the screen arranged on the inner side of the partition plate, the grading of the cement paste can be completed in the refining process, so that the refining effect is better, and by arranging the telescopic rod and the baffle plate, the telescopic rod pushes the baffle plate to avoid the contact of the graded cement paste, so that the grading effectiveness is ensured;
2. the stirring mechanism is arranged, the first motor is used for driving the driving rod to rotate, the driving rod drives the driven rod to rotate through the transmission gear, the driving rod and the driven rod drive the rotating rod to rotate through the transmission rod, and the stirring rods arranged on the outer sides of the driving rod, the driven rod and the rotating rod are used for stirring cement paste on the inner side of the refining box, so that the cement paste is refined in real time, the refining efficiency is improved, and the refining effect is greatly improved due to the continuous real-time refining mode;
3. through setting up supporting mechanism, utilize the third motor to drive the connecting rod and rotate and can make and refine the case rotation, the convenience device arranges the material, through setting up vibration mechanism, the second motor drives the cam and rotates, and the movable block promotes first piston under the effect of cam, and the second piston promotes the push pedal rebound under the pressure effect, refines the case and vibrates from top to bottom under the effect of thrust and gravity to the stirring that makes rabbling mechanism is more effective, does benefit to the promotion and refines the effect.
Drawings
Fig. 1 is a schematic structural view of a cement paste thinning apparatus.
FIG. 2 is a schematic view of the structure of the base in the grout refiner.
Fig. 3 is an enlarged schematic view of a portion a in fig. 1.
Fig. 4 is a side view of a cement slurry detailing device.
FIG. 5 is a schematic structural view of an L-shaped connecting plate in the grout refiner.
In the figure: 1-a base, 2-a supporting plate, 3-a refining box, 4-a feeding pipe, 5-a partition plate, 6-a driving rod, 7-a control frame, 8-a first motor, 9-a driven rod, 10-a transmission gear, 11-a transmission rod, 12-a rotating rod, 13-a stirring rod, 14-a fixed plate, 15-a screen, 16-a fixed frame, 17-a telescopic rod, 18-a discharging pipe, 19-a second motor, 20-a cam, 21-a movable block, 22-a limiting rod, 23-a limiting groove, 24-an L-shaped connecting plate, 25-a sliding plate, 26-a first piston, 27-a second piston, 28-a damping liquid, 29-a movable plate, 30-a discharging port, 31-a baffle, 32-a sealing ring and 33-a second belt wheel, 34-a first belt pulley, 35-a slide block, 36-a connecting rod, 37-a third motor and 38-a push plate.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Example 1
Referring to fig. 1-5, in the embodiment of the present invention, a cement paste refining device includes a base 1, supporting plates 2 are fixedly connected to tops of front and rear ends of the base 1, a refining box 3 is disposed between the supporting plates 2 on two sides, the refining box 3 is connected to the base 1 through a support mechanism capable of vibrating, and a stirring mechanism is disposed inside the refining box 3.
Example 2
In this embodiment, a plurality of discharging pipes 18 are fixedly connected to the right side of the refining box 3, a partition plate 5 is arranged between adjacent discharging pipes 18, the partition plate 5 is fixedly connected to the inner side of the refining box 3, and a screening mechanism for grading is arranged on the inner side of the partition plate 5.
In the embodiment, the screening mechanism comprises a feed opening 30 arranged on a partition plate 5, a screen 15 is fixedly connected and arranged on the inner side of the feed opening 30, baffles 31 which are slidably connected with the partition plate 5 are arranged on the lower sides of the left and right ends of the screen 15, the baffle 31 is fixedly connected and arranged on the outer side of one end of the inner side of the partition plate 5, the movable plate 29 is slidably connected with the partition plate 5, fixed frames 16 are fixedly connected and arranged on the left and right sides of the refining box 3, an expansion link 17 is fixedly connected and arranged on the inner side of the fixed frame 16, the other end of the expansion link 17 is fixedly connected with the movable plate 29, the screening mechanism is arranged, the screen 15 arranged on the inner side of the partition plate 5 can be used for grading cement slurry in the refining process, the refining effect is better, and the expansion link 17 and the baffle 31 are arranged, so that the classified cement slurry can be prevented from contacting, the effectiveness of grading is guaranteed.
In this embodiment, the mesh openings of the screen 15 located inside the feed opening 30 decrease from top to bottom.
In this embodiment, a groove is formed on the inner side of a wall of one end of the partition board 5, which is in contact with the baffle 31, and a sealing ring 32 is arranged on the inner side of the groove.
In the embodiment, the stirring mechanism comprises a driving rod 6 rotatably connected and arranged at the top of the inner side of the refining box 3, a control frame 7 fixedly connected with the refining box 3 is arranged on the outer side of the top end of the driving rod 6, a first motor 8 for driving the driving rod 6 is arranged on the inner side of the control frame 7 in a bolt connection manner, a driven rod 9 rotatably connected with the control frame 7 is arranged on the left side of the driving rod 6, the driving rod 6 and the driven rod 9 are meshed and connected through a transmission gear 10, transmission rods 11 are rotatably connected and arranged at the left and right ends of the inner side of the refining box 3, the transmission rods 11 are fixedly connected and arranged at the outer sides of the driving rod 6 and the driven rod 9, second belt wheels 34 are connected between the second belt wheels 34 on the adjacent sides, fixed plates 14 are fixedly connected and arranged at the left and right ends of the inner side of the discharging opening 30, and rotating rods 12 are rotatably connected and arranged at the bottoms of the fixed plates 14, the equal fixed connection in bull stick 12 and the 11 outsides of transfer line is provided with first band pulley 33, adjacent one side connect through first belt between the first band pulley 33, the equal fixed connection in the drive lever 6, driven lever 9 and the 12 outsides of bull stick is provided with a plurality of puddlers 13, through setting up rabbling mechanism, utilizes first motor 8 to drive lever 6 and rotate, and drive lever 6 drives driven lever 9 through drive gear 10 and rotates, and drive lever 6 and driven lever 9 drive bull stick 12 through transfer line 11 and rotate, utilizes the puddler 13 that sets up in the drive lever 6, driven lever 9 and the 12 outsides of bull stick to stir the grout that refines 3 inboards of case, makes grout refine the processing in real time, improves and refines efficiency, and this kind of processing mode that refines in real time lasts makes and refines the effect and improves greatly.
In this embodiment, the supporting mechanism includes that fixed connection sets up the connecting rod 36 refining case 3 front and back both sides, the connecting rod 36 other end rotates with sliding connection and sets up the slider 35 in backup pad 2 inboard and is connected, slider 35 bottom is connected with the vibration mechanism who sets up in base 1 inboard, the rear side slider 35 top bolted connection is provided with third motor 37, be connected through gear engagement between third motor 37 output and the connecting rod 36, through setting up supporting mechanism, utilize third motor 37 to drive connecting rod 36 and rotate and can make and refine case 3 rotatory, the convenience device arranges the material.
In this embodiment, the vibration mechanism includes a second motor 19 disposed inside the base 1 by bolt connection, a cam 20 is fixedly connected to the top of the second motor 19, movable blocks 21 slidably connected to the base 1 are disposed on both the front and rear sides of the cam 20, a limiting groove 23 is disposed on both the left and right sides of the movable block 21, a limiting rod 22 fixedly connected to the base 1 is slidably connected to the inner side of the limiting groove 23, L-shaped connecting plates 24 are fixedly connected to both the front and rear ends of the inner side of the base 1, a first piston 26 is slidably connected to the inner side of the L-shaped connecting plate 24 near the second motor 19, a sliding plate 25 slidably connected to the L-shaped connecting plate 24 is fixedly connected between the first piston 26 and the movable block 21, a second piston 27 is slidably connected to the inner side of the other end of the L-shaped connecting plate 24, a push plate 38 fixedly connected to the sliding block 35 is fixedly connected to the top of the second piston 27, be provided with damping fluid 28 between first piston 26 and the second piston 27, through setting up vibration mechanism, second motor 19 drives cam 20 and rotates, and movable block 21 promotes first piston 26 under the effect of cam 20, and second piston 27 pushes push pedal 38 upward movement under the pressure effect, refines case 3 and vibrates about under the effect of thrust and gravity to make the stirring of rabbling mechanism more effective, do benefit to promoting and refine the effect.
In this embodiment, refine case 3 left end top fixed connection and be provided with inlet pipe 4, inlet pipe 4 and discharging pipe 18 and refine the inboard equal fixed connection in case 3 junction and be provided with the valve.
The working principle of the invention is as follows: the cement paste enters the refining box 3 from the feeding pipe 4, the grading of the cement paste can be completed in the refining process by utilizing the screen 15 arranged on the inner side of the partition plate 5, the refining effect is better, the telescopic rod 17 and the baffle plate 31 are arranged, the telescopic rod 17 pushes the baffle plate 31 to avoid the contact of the graded cement paste, the grading effectiveness is ensured, the first motor 8 is utilized to drive the driving rod 6 to rotate, the driving rod 6 drives the driven rod 9 to rotate through the transmission gear 10, the driving rod 6 and the driven rod 9 drive the rotating rod 12 to rotate through the transmission rod 11, the cement paste on the inner side of the refining box 3 is stirred by utilizing the stirring rod 13 arranged on the outer sides of the driving rod 6, the driven rod 9 and the rotating rod 12, the cement paste is refined in real time, the refining efficiency is improved, the continuous real-time refining mode greatly improves the refining effect, and the second motor 19 drives the cam 20 to rotate, the movable block 21 pushes the first piston 26 under the action of the cam 20, the second piston 27 pushes the push plate 38 to move upwards under the action of pressure, and the refining box 3 vibrates up and down under the action of thrust and gravity, so that the stirring of the stirring mechanism is more effective, and the refining effect is promoted.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (4)
1. The cement slurry refining device comprises a base (1) and is characterized in that supporting plates (2) are fixedly connected to the top of the front end and the rear end of the base (1), refining boxes (3) are arranged on two sides of the supporting plates (2), the refining boxes (3) are connected with the base (1) through a support mechanism capable of vibrating, a stirring mechanism is arranged on the inner side of each refining box (3), a plurality of discharging pipes (18) are fixedly connected to the right side of each refining box (3), a partition plate (5) is arranged between every two adjacent discharging pipes (18), the partition plate (5) is fixedly connected to the inner side of each refining box (3), a grading screening mechanism is arranged on the inner side of each partition plate (5), each screening mechanism comprises a blanking port (30) arranged on the corresponding partition plate (5), a screen (15) is fixedly connected to the inner side of each blanking port (30), both ends downside all is provided with baffle (5) sliding connection's baffle (31) about screen cloth (15), baffle (31) are located baffle (5) inboard one end outside fixed connection and are provided with fly leaf (29), fly leaf (29) and baffle (5) sliding connection, it is provided with fixed frame (16) to refine the equal fixed connection in case (3) left and right sides, fixed frame (16) inboard fixed connection is provided with telescopic link (17), the telescopic link (17) other end and fly leaf (29) fixed connection, rabbling mechanism is including rotating to connect and setting up in the initiative pole (6) of refining case (3) inboard top, the initiative pole (6) top outside is provided with and refines case (3) fixed connection's control frame (7), the inboard bolted connection of control frame (7) is provided with first motor (8) that are used for driving action pole (6), the left side of the driving rod (6) is provided with a driven rod (9) rotatably connected with the control frame (7), the driving rod (6) and the driven rod (9) are meshed and connected through a transmission gear (10), the left end and the right end of the inner side of the refining box (3) are rotatably connected with a transmission rod (11), the transmission rod (11) is fixedly connected with the outer sides of the driving rod (6) and the driven rod (9) through a second belt (34), the second belt wheels (34) on the adjacent sides are connected through a second belt, the left end and the right end of the inner side of the discharging opening (30) are fixedly connected with a fixed plate (14), the bottom of the fixed plate (14) is rotatably connected with a rotating rod (12), the outer sides of the rotating rod (12) and the transmission rod (11) are fixedly connected with a first belt wheel (33), and the first belt wheels (33) on the adjacent sides are connected through a first belt, the outer sides of the driving rod (6), the driven rod (9) and the rotating rod (12) are fixedly connected with a plurality of stirring rods (13).
2. A cement slurry attenuation apparatus according to claim 1, characterized in that the mesh openings of the screen (15) located inside the feed opening (30) decrease in size from top to bottom.
3. The cement paste refining device according to claim 1, wherein the supporting mechanism comprises connecting rods (36) fixedly connected and arranged at the front side and the rear side of the refining box (3), the other ends of the connecting rods (36) are rotatably connected with sliding blocks (35) which are slidably connected and arranged at the inner side of the supporting plate (2), the bottom ends of the sliding blocks (35) are connected with a vibrating mechanism arranged at the inner side of the base (1), a third motor (37) is arranged at the top of the sliding blocks (35) at the rear side in a bolted connection mode, and the output end of the third motor (37) is connected with the connecting rods (36) through gear meshing.
4. The cement paste refining device according to claim 3, wherein the vibration mechanism comprises a second motor (19) which is arranged inside the base (1) in a bolted connection mode, a cam (20) is fixedly connected to the top of the second motor (19), movable blocks (21) which are connected with the base (1) in a sliding mode are arranged on the front side and the rear side of the cam (20), limiting grooves (23) are arranged on the left side and the right side of each movable block (21), limiting rods (22) which are fixedly connected with the base (1) are arranged on the inner side of each limiting groove (23) in a sliding mode, L-shaped connecting plates (24) are fixedly connected to the front end and the rear end of the inner side of the base (1), a first piston (26) is arranged on the inner side of one end, close to the second motor (19), of each L-shaped connecting plate (24) in a sliding mode, a sliding plate (25) which is connected with each L-shaped connecting plate (24) in a sliding mode is fixedly connected between each first piston (26) and each movable block (21), the inner side of the other end of the L-shaped connecting plate (24) is provided with a second piston (27) in a sliding connection mode, the top of the second piston (27) is fixedly connected with a push plate (38) fixedly connected with a sliding block (35), and damping liquid (28) is arranged between the first piston (26) and the second piston (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110039963.2A CN112829064B (en) | 2021-01-13 | 2021-01-13 | Cement paste refining device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110039963.2A CN112829064B (en) | 2021-01-13 | 2021-01-13 | Cement paste refining device |
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| CN112829064A CN112829064A (en) | 2021-05-25 |
| CN112829064B true CN112829064B (en) | 2022-07-01 |
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Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6837380B2 (en) * | 2001-06-28 | 2005-01-04 | Stoner Randall K | Low clearance dual-screen particle sorter |
| CN204523059U (en) * | 2015-04-19 | 2015-08-05 | 广东梅雁吉祥水电股份有限公司 | A kind of cement powders device for thinning |
| CN205628618U (en) * | 2016-04-20 | 2016-10-12 | 桐乡市钟大建材有限公司 | Concrete mud separator |
| CN207256541U (en) * | 2017-08-29 | 2018-04-20 | 重庆市巨成混凝土有限公司 | A kind of automatic coagulation soil agitating device easy to cleaning |
| CN108405325A (en) * | 2018-05-04 | 2018-08-17 | 安徽中乾能源有限公司 | A kind of efficient classification of coke screening plant |
| CN209478563U (en) * | 2018-10-16 | 2019-10-11 | 江苏润天建材有限公司 | A kind of cement slurry device for thinning |
| CN209504536U (en) * | 2018-11-28 | 2019-10-18 | 天津市龙建丰液压机械有限公司 | A kind of brickmaking machine raw material screening device |
| CN209737985U (en) * | 2019-02-20 | 2019-12-06 | 合肥国瑞集成建筑科技有限公司 | Cement paste refining device for concrete preparation |
| CN212193682U (en) * | 2020-01-19 | 2020-12-22 | 唐艳梅 | Stirring device for construction machinery |
| CN111152364A (en) * | 2020-03-03 | 2020-05-15 | 台州市椒江预提自动化设备有限公司 | Gravel and sand screening concrete mixing equipment |
| CN111608391A (en) * | 2020-05-20 | 2020-09-01 | 青岛中嘉建设集团有限公司 | Novel prefabricated assembled building slip casting device |
| CN111716535A (en) * | 2020-07-22 | 2020-09-29 | 江苏航运职业技术学院 | Building engineering construction is with mixing agitated vessel |
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