CN108908716B - Fiber cement is from production of leveling mortar with mixing agitated vessel - Google Patents
Fiber cement is from production of leveling mortar with mixing agitated vessel Download PDFInfo
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- CN108908716B CN108908716B CN201810835598.4A CN201810835598A CN108908716B CN 108908716 B CN108908716 B CN 108908716B CN 201810835598 A CN201810835598 A CN 201810835598A CN 108908716 B CN108908716 B CN 108908716B
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- stirring
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- cylinder
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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
- B28C5/14—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 horizontal or substantially horizontal 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
- 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
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
- B28C7/065—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors with a pivotable charging-bin
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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
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/12—Supplying or proportioning liquid ingredients
- B28C7/126—Supply means, e.g. nozzles
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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
- B28C7/16—Discharge means, e.g. with intermediate storage of fresh concrete
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a mixing and stirring device for producing fiber cement self-leveling mortar, which comprises a shell, a mounting seat, a base, a motor and a feed hopper; the mounting seat is positioned above the base, a first transmission shaft horizontally extending into the shell is fixedly connected to an output shaft of the motor, the first transmission shaft is rotatably connected with the shell through a bearing, a driving wheel positioned on the outer side of the shell is coaxially fixed to the first transmission shaft, a driven wheel synchronously rotating with the driving wheel is arranged right above the driving wheel, a transmission belt is wound between the driving wheel and the driven wheel, and a second transmission shaft horizontally extending into the shell is coaxially fixed to a central shaft of the driven wheel; a horizontal mixing drum is fixedly connected to the first transmission shaft, and a horizontal dispersing drum is coaxially fixed to the second transmission shaft. The device stirs the raw materials in the horizontal direction and mixes to can be through the even dispersion of rotatory dispersion section of thick bamboo in the stirred tank when adding the raw materials during stirring, make the dispersion that adds can be quick, shorten the time.
Description
Technical Field
The invention relates to new material production equipment, in particular to mixing and stirring equipment for producing fiber cement self-leveling mortar.
Background
The self-leveling material has the advantages of good fluidity and stability, simple and convenient construction, smoothness, high strength value, thin leveling layer thickness, good water resistance, acid resistance and the like, is an ideal material for leveling industrial floors of parking lots, factory workshops, large supermarkets, warehouses, markets and the like, is also a development direction of the construction of the existing building floors, and has great market potential. It can be used on uneven substrates to provide a flat, smooth, firm, wear-resistant bedding foundation, such as fine leveling materials for carpets, wood floors, PVC, tiles, and the like; the self-leveling material has excellent fluidity and rapid solidification, so that the self-leveling material can be constructed in a short time, and the concrete substrate is firmly bonded and has high mechanical property and good wear resistance; in the production process of the self-leveling material, the material is often stirred by a common stirrer, although the stirrer can realize most of raw material mixing, the stirring structure is simple, a longitudinal stirring blade structure is often adopted, the stirring range is small, the mixable range is reduced, and the material amount for one-time processing is limited; secondly, auxiliary materials and the like which are newly added in the stirring process can not be rapidly dispersed into the internal raw materials, so that the raw materials are slowly mixed and are not uniformly mixed, and the produced products are inconsistent.
Disclosure of Invention
The invention aims to provide mixing and stirring equipment for producing fiber cement self-leveling mortar, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a mixing and stirring device for producing fiber cement self-leveling mortar comprises a shell, a mounting seat, a base, a motor and a feed hopper; the mounting seat is positioned above the base, a plurality of damping springs are fixedly connected between the mounting seat and the base, the shell and the motor are both fixedly arranged on the mounting seat, the feed hopper is positioned at the top in the shell, the motor is horizontally arranged, a first transmission shaft horizontally extending into the shell is fixedly connected to an output shaft of the motor, the first transmission shaft is rotatably connected with the shell through a bearing, a driving wheel positioned on the outer side of the shell is coaxially fixed to the first transmission shaft, a driven wheel synchronously rotating with the driving wheel is installed right above the driving wheel, a transmission belt is wound between the driving wheel and the driven wheel to transmit the power of the driving wheel to the driven wheel to drive the driven wheel to rotate, a second transmission shaft horizontally extending into the shell is coaxially fixed to a central shaft of the driven wheel, the second transmission shaft is rotatably connected with the shell through a bearing, and the motor simultaneously drives the first transmission shaft and the second transmission shaft to rotate; a horizontal mixing drum is fixedly connected to the first transmission shaft, and a horizontal dispersing drum is coaxially fixed to the second transmission shaft.
Further: the bottom in the shell is fixed with the stirring seat, sets up the agitator tank of undercut on the stirring seat, and the agitator tank is convex structure, and the both sides of agitator tank are provided with the guide inclined plane of slope, make the powder that falls on the stirring seat directly fall in the agitator tank, are convenient for to the raw materials stirring in the agitator tank, the center pin coincidence of first transmission shaft and agitator tank, be provided with the churn coaxial with the agitator tank in the outside of first transmission shaft, through a plurality of bracing pieces fixed connection between first transmission shaft and the churn, with churn and first transmission shaft fixed connection, make the churn follow first transmission shaft and rotate, the churn is formed by stainless steel mesh plate processing, and the raw materials can pass in the mesh, makes the raw materials that enter into the churn inside fall.
Further: a horizontal dispersing cylinder is arranged in a shell corresponding to the upper part of the stirring cylinder, the central axis of the dispersing cylinder is superposed with the central axis of a second transmission shaft, the second transmission shaft is fixedly connected with the dispersing cylinder, the dispersing cylinder is driven to rotate through the rotation of the second transmission shaft, a sealing ring in contact with the dispersing cylinder is arranged at the bottom of the feed hopper, and the lower end of the sealing ring is positioned below the top of the dispersing cylinder, so that the area between the feed hopper and the dispersing cylinder is increased, raw materials can fall conveniently; the dispersing cylinder is also provided with at least two material inlet and outlet ports, so that the trafficability of the raw materials in the dispersing cylinder is improved, the raw materials are thoroughly dispersed in the dispersing cylinder and uniformly sprinkled, and the mixing is facilitated; and a plurality of steel balls are filled in the dispersing cylinder, and the diameter of each steel ball is larger than the width of the material inlet and the material outlet, so that the steel balls roll in the dispersing cylinder to uniformly disperse the raw materials.
Further: the stirring barrel is provided with a plurality of inlets, stirring scrapers with the same area are arranged in the inlets, the stirring scrapers are connected with one side of the inlets in a rotating mode through pin shafts, limiting blocks are arranged inside and outside the stirring barrel corresponding to the pin shafts, the stirring scrapers swing at small angles in the inlets, raw materials in the stirring tank are conveniently shoveled and sent into the stirring barrel, and the free ends of the stirring scrapers face the rotating direction of the stirring barrel, so that the stirring scrapers swing outwards to shovel the raw materials.
Further: the bottom intercommunication of stirred tank has the discharging pipe with inside raw materials discharge, the intercommunication has the circulation feed liquor pipe on the shell lateral wall that the bottom of stirred tank corresponds, the circulation feed liquor pipe is located the discharging pipe directly over, and fixed cover is equipped with the filter screen on the inner of circulation feed liquor pipe, filterable material can fall in the discharging pipe, the raw materials discharge of being convenient for, it has the circulation drain pipe to serve the intercommunication in addition of stirred tank, communicate the circulating pump between circulation drain pipe and the circulation feed liquor pipe, with the raw materials circulation flow of inside.
Further: the inner wall of the stirring tank is provided with a heating layer which heats the raw materials inside and provides proper mixing temperature.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the stirring barrel driven by the motor is used for stirring, the rotating stirring barrel enables the stirring scraping blades on the stirring barrel to swing along with the stirring barrel, the stirring scraping blades are unfolded when moving to the lower part, raw materials in the stirring tank are scraped to enter the stirring barrel from the inlet, the liquid fluidity is enhanced, the mixing and stirring effect of the raw materials in the stirring barrel is improved, and the liquid in the stirring tank flows circularly, so that the liquid flows in the transverse direction, the internal liquid is fully mixed, and the mixing effect is improved; the device stirs the mixture to the raw materials on horizontal to can be through the even dispersion to the stirred tank of rotatory dispersion section of thick bamboo when adding the raw materials during the stirring, make the dispersion that adds can be quick, shorten the time, be connected through damping spring between bottom base and mount pad, the noise that produces when reducing equipment operation provides suitable operational environment for the workman.
Drawings
Fig. 1 is a schematic structural diagram of a mixing and stirring device for producing fiber cement self-leveling mortar.
FIG. 2 is a schematic view of the structure A-A in FIG. 1.
Fig. 3 is a schematic structural diagram of a dispersing cylinder in a mixing and stirring device for producing fiber cement self-leveling mortar.
In the figure: 1-shell, 2-mounting seat, 3-base, 4-motor, 5-first transmission shaft, 6-driving wheel, 7-driven wheel, 8-second transmission shaft, 9-stirring seat, 10-stirring tank, 11-guide inclined plane, 12-heating layer, 13-stirring cylinder, 14-supporting rod, 15-pin shaft, 16-stirring scraping blade, 17-inlet, 18-dispersing cylinder, 19-dispersing hole, 20-inlet and outlet, 21-feed hopper, 22-sealing ring, 23-circulating liquid inlet pipe, 24-discharge pipe, 25-circulating liquid outlet pipe, 26-damping spring, 27-steel ball and 28-transmission belt.
Detailed Description
Referring to the figures, in the embodiment of the invention, a mixing and stirring device for producing fiber cement self-leveling mortar comprises a shell 1, a mounting seat 2, a base 3, a motor 4 and a feed hopper 21; the base 3 is provided with a plurality of mounting holes, the equipment is fixed through the mounting holes, the mounting base 2 is positioned above the base 3, and a plurality of damping springs 26 are fixedly connected between the mounting base 2 and the base 3 to play a role in damping and buffering on the mounting base 2; the shell 1 and the motor 4 are both fixedly mounted on the mounting seat 2, the feed hopper 21 is positioned at the top in the shell 1, and raw materials are loaded into the feed hopper 21.
4 level settings of motor, fixed connection has the level to stretch into the first transmission shaft 5 in the shell 1 on the output shaft of motor 4, first transmission shaft 5 passes through the bearing rotation with shell 1 and is connected, coaxial fixed has the action wheel 6 that is located the shell 1 outside on the first transmission shaft 5, install directly over the action wheel 6 rather than synchronous rotation from driving wheel 7, action wheel 6 and follow between the driving wheel 7 around there being the drive belt 28, with the power transmission of action wheel 6 to the driven wheel 7 in the drive rotate from driving wheel 7, coaxial fixed with the horizontally secondary drive axle 8 that stretches into in the shell 1 on the center pin of following wheel 7, and secondary drive axle 8 passes through the bearing and rotates with shell 1 and is connected, motor 4 drives first transmission shaft 5 and secondary drive axle 8 simultaneously and rotates.
A stirring seat 9 is fixed at the bottom in the shell 1, a stirring tank 10 which is recessed downwards is arranged on the stirring seat 9, the stirring tank 10 is of a circular arc structure, inclined guide inclined planes 11 are arranged on two sides of the stirring tank 10, so that powder falling on the stirring seat 9 directly falls in the stirring tank 10, raw materials in the stirring tank 10 can be stirred conveniently, the first transmission shaft 5 is overlapped with the central axis of the stirring tank 10, a stirring cylinder 13 which is coaxial with the stirring tank 10 is arranged on the outer side of the first transmission shaft 5, the first transmission shaft 5 is fixedly connected with the stirring cylinder 13 through a plurality of support rods 14, the stirring cylinder 13 is fixedly connected with the first transmission shaft 5, the stirring cylinder 13 rotates along with the first transmission shaft 5, the stirring cylinder 13 is formed by processing a stainless steel mesh plate, and the raw materials can pass through the inside of the stirring cylinder 13, so that the raw materials entering the stirring cylinder 13 fall; a plurality of inlets 17 are formed in the mixing drum 13, a mixing scraping blade 16 with the same area as the inlets 17 is arranged in each inlet 17, the mixing scraping blade 16 is rotatably connected with one side of each inlet 17 through a pin shaft 15, and a limiting block is arranged inside and outside the mixing drum 13 corresponding to each pin shaft 15, so that the mixing scraping blade 16 swings at a small angle in each inlet 17, raw materials in the mixing tank 10 can be conveniently scooped up and sent into the mixing drum 13, and the free end of the mixing scraping blade 16 faces the rotating direction of the mixing drum 13, so that the mixing scraping blade 16 swings outwards to scoop up the raw materials; the bottom of the stirring tank 10 is communicated with a discharge pipe 24 for discharging internal raw materials, the side wall of the shell 1 corresponding to the bottom of the stirring tank 10 is communicated with a circulating liquid inlet pipe 23, the circulating liquid inlet pipe 23 is positioned right above the discharge pipe 24, a filter screen is fixedly covered on the inner end of the circulating liquid inlet pipe 23, filtered materials can fall into the discharge pipe 24 to facilitate the discharge of the raw materials, the other end of the stirring tank 10 is communicated with a circulating liquid outlet pipe 25, and a circulating pump is communicated between the circulating liquid outlet pipe 25 and the circulating liquid inlet pipe 23 to circulate the internal raw materials; the inner wall of the stirring tank 10 is provided with a heating layer 12 for heating the raw materials inside and providing proper mixing temperature.
A horizontal dispersing cylinder 18 is arranged in the shell 1 corresponding to the upper part of the stirring cylinder 13, the central axis of the dispersing cylinder 18 is superposed with the central axis of the second transmission shaft 8, the second transmission shaft 8 is fixedly connected with the dispersing cylinder 18, the dispersing cylinder 18 is driven to rotate through the rotation of the second transmission shaft 8, a sealing ring 22 in contact with the dispersing cylinder 18 is arranged at the bottom of the feed hopper 21, the lower end of the sealing ring 22 is positioned below the top of the dispersing cylinder 18, so that the area between the feed hopper 21 and the dispersing cylinder 18 is increased, raw materials can fall conveniently, a plurality of dispersing holes 19 are uniformly formed in the side wall of the dispersing cylinder 18, the raw materials in the feed hopper 21 can enter the dispersing cylinder 18, and the raw materials can fall below the dispersing cylinder 18; the dispersing cylinder 18 is also provided with at least two material inlets and material outlets 20, so that the trafficability of the raw materials in the dispersing cylinder 18 is improved, the raw materials are thoroughly dispersed in the dispersing cylinder 18 and uniformly sprinkled, and the mixing is facilitated; the dispersing cylinder 18 is filled with a plurality of steel balls 27, the diameter of the steel balls 27 is larger than the width of the material inlet and outlet 20, so that the steel balls 27 roll in the dispersing cylinder 18 to uniformly disperse the raw materials.
When the material dispersing device is used, raw materials are loaded from the feed hopper 21, the bottom of the feed hopper 21 corresponds to the raw materials and enters the dispersing cylinder 18 through the dispersing holes 19 and the material inlet and outlet 20 on the dispersing cylinder 18, and the raw materials are turned over in the dispersing cylinder 18 and uniformly distributed in the dispersing cylinder 18 due to the rotation of the dispersing cylinder 18 and are uniformly sprayed down from the dispersing holes 19 and the material inlet and outlet 20 below; the uniformly falling raw materials fall into a stirring tank 10 in a stirring seat 9, are stirred by a stirring barrel 13 driven by a motor 4, the stirring blade 16 on the stirring barrel 13 swings along with the rotating stirring barrel 13, the stirring blade 16 is unfolded when moving to the lower part, the raw materials in the stirring tank 10 are scraped to enter the stirring barrel 13 from an inlet 17, the liquidity of the liquid is enhanced, the mixing and stirring effect of the raw materials in the stirring barrel is improved, and the liquid in the stirring tank 10 flows circularly, so that the liquid flows in the transverse direction, the internal liquid is fully mixed, and the mixing effect is improved; the device stirs the mixture to the raw materials in horizontal to can be through the even dispersion to the stirred tank 10 of rotatory dispersion section of thick bamboo 18 when adding the raw materials during the stirring, make the dispersion that adds can be quick, shorten the time, be connected through damping spring 26 between bottom base 3 and mount pad 2, the noise that produces during the reduction equipment operation provides suitable operational environment for the workman.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A mixing and stirring device for producing fiber cement self-leveling mortar comprises a shell (1), a mounting seat (2), a base (3), a motor (4) and a feed hopper (21); the mounting seat (2) is positioned above the base (3), a plurality of damping springs (26) are fixedly connected between the mounting seat (2) and the base (3), the shell (1) and the motor (4) are fixedly mounted on the mounting seat (2), the feed hopper (21) is positioned at the top of the shell (1), the motor (4) is horizontally arranged, a first transmission shaft (5) horizontally extending into the shell (1) is fixedly connected to an output shaft of the motor (4), a driving wheel (6) positioned outside the shell (1) is coaxially fixed to the first transmission shaft (5), a driven wheel (7) synchronously rotating with the driving wheel (6) is installed right above the driving wheel (6), a transmission belt (28) is wound between the driving wheel (6) and the driven wheel (7), a second transmission shaft (8) horizontally extending into the shell (1) is coaxially fixed to a central shaft of the driven wheel (7), a horizontal stirring cylinder (13) is fixedly connected to the first transmission shaft (5), and a horizontal dispersing cylinder (18) is coaxially fixed to the second transmission shaft (8);
a horizontal dispersing cylinder (18) is arranged in the shell (1) corresponding to the upper part of the stirring cylinder (13), the central axis of the dispersing cylinder (18) is superposed with the central axis of the second transmission shaft (8), the second transmission shaft (8) is fixedly connected with the dispersing cylinder (18), a sealing ring (22) in contact with the dispersing cylinder (18) is arranged at the bottom of the feed hopper (21), and a plurality of dispersing holes (19) are uniformly formed in the side wall of the dispersing cylinder (18); a feed and discharge port (20) is also formed in the dispersion cylinder (18); a plurality of steel balls (27) are filled in the dispersing cylinder (18), and the diameter of each steel ball (27) is larger than the width of the material inlet/outlet (20);
a plurality of inlets (17) are formed in the mixing drum (13), mixing scraping blades (16) with the same area as the inlets are arranged in the inlets (17), and the mixing scraping blades (16) are rotatably connected with one side of the inlets (17) through pin shafts (15).
2. The mixing and stirring equipment for producing the fiber cement self-leveling mortar according to claim 1, characterized in that: the stirring device is characterized in that a stirring seat (9) is fixed at the bottom in the shell (1), a stirring tank (10) which is sunken downwards is arranged on the stirring seat (9), the stirring tank (10) is of a circular arc-shaped structure, a first transmission shaft (5) coincides with a central shaft of the stirring tank (10), a stirring cylinder (13) which is coaxial with the stirring tank (10) is arranged on the outer side of the first transmission shaft (5), and the first transmission shaft (5) is fixedly connected with the stirring cylinder (13) through a plurality of supporting rods (14).
3. The mixing and stirring equipment for producing the fiber cement self-leveling mortar according to claim 1, characterized in that: at least two material inlets and outlets (20) are arranged.
4. The mixing and stirring equipment for producing the fiber cement self-leveling mortar according to claim 2, characterized in that: the bottom intercommunication of stirred tank (10) has inside raw materials exhaust discharging pipe (24), the intercommunication has circulation feed liquor pipe (23) on shell (1) lateral wall that the bottom of stirred tank (10) corresponds, circulation feed liquor pipe (23) are located discharging pipe (24) directly over, and the fixed cover is equipped with the filter screen on the inner of circulation feed liquor pipe (23), the intercommunication has circulation drain pipe (25) on the other end of stirred tank (10), communicate the circulating pump between circulation drain pipe (25) and circulation feed liquor pipe (23).
5. The mixing and stirring equipment for producing the fiber cement self-leveling mortar according to claim 2, characterized in that: the inner wall of the stirring tank (10) is provided with a heating layer (12).
6. The mixing and stirring equipment for producing the fiber cement self-leveling mortar according to claim 2, characterized in that: two sides of the stirring tank (10) are provided with inclined material guide inclined planes (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810835598.4A CN108908716B (en) | 2018-07-26 | 2018-07-26 | Fiber cement is from production of leveling mortar with mixing agitated vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810835598.4A CN108908716B (en) | 2018-07-26 | 2018-07-26 | Fiber cement is from production of leveling mortar with mixing agitated vessel |
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| Publication Number | Publication Date |
|---|---|
| CN108908716A CN108908716A (en) | 2018-11-30 |
| CN108908716B true CN108908716B (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810835598.4A Active CN108908716B (en) | 2018-07-26 | 2018-07-26 | Fiber cement is from production of leveling mortar with mixing agitated vessel |
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| US7866880B1 (en) * | 2007-05-03 | 2011-01-11 | Scism John A | Hopper with measuring guide |
| CN102061588B (en) * | 2009-11-16 | 2014-02-05 | 海尔集团公司 | Washing machine, washing method and washing barrel |
| CN206935184U (en) * | 2017-04-01 | 2018-01-30 | 河北林宏建材科技有限公司 | Magnesium sulfate dissolver |
| CN207432474U (en) * | 2017-08-24 | 2018-06-01 | 赵威 | A kind of building engineering construction concrete-processing with rotation plus water |
| CN107471434A (en) * | 2017-08-31 | 2017-12-15 | 李小强 | A kind of aggregate preheats precooling integrated apparatus |
| CN107756629A (en) * | 2017-10-18 | 2018-03-06 | 马多浩 | A kind of pre-mixing apparatus of concrete early strength water-reducing agent mix cement |
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Effective date of registration: 20200717 Address after: 330038 Ganggang Avenue (999), Nanchang Economic and Technological Development Zone, Nanchang City, Jiangxi Province Applicant after: Jiangxi Huihua Industrial Development Co., Ltd Address before: 342400 Ganzhou Xingshun Technology Co., Ltd., A District, Xingguo County, Ganzhou, Jiangxi Applicant before: GANZHOU XINGSHUNHUI TECHNOLOGY Co.,Ltd. |
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