CN113698129A

CN113698129A - Efficient concrete composite additive and preparation method thereof

Info

Publication number: CN113698129A
Application number: CN202110757527.9A
Authority: CN
Inventors: 阮剑; 李兴鹏; 赵江洪; 谷廷锐; 李程
Original assignee: Hainan Xuli New Building Materials Co ltd; Hainan Yuanchuang Building Materials Technology Co ltd
Current assignee: Hainan Xuli New Building Materials Co ltd; Hainan Yuanchuang Building Materials Technology Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-11-26

Abstract

The invention discloses a high-efficiency concrete composite additive and a preparation method thereof, wherein the high-efficiency concrete composite additive comprises the following components in percentage by weight: 10 to 15 percent of silicate, 1 to 5 percent of potassium ethylsilicate, 3 to 5 percent of lignosulfonate, 0.5 to 1.5 percent of sodium sulfate, 1 to 3.5 percent of sodium fatty acid, 0.1 to 0.8 percent of sodium hydroxide, 0.3 to 1 percent of sodium bisulfate, 1 to 6 percent of cellulose, 1 to 2.5 percent of triethanolamine, 0.01 to 0.2 percent of defoaming agent, 0.01 to 0.1 percent of pH regulator and 60 to 82 percent of water are mixed and stirred by processing equipment. The composite additive obtained by reasonably preparing various raw materials has simple production and excellent performance, and can effectively improve the water reduction rate after being used_，Capable of greatly improving concreteThe concrete has the advantages of durability, capability of enhancing the compression strength, the tensile strength, the bending strength and the shear strength of the concrete, thereby prolonging the service life of the concrete, remarkably improving the hardening degree, the frost resistance and the caking property of the concrete, reducing the bleeding amount, improving the homogeneity, having certain chemical erosion resistance and being suitable for more fields.

Description

Efficient concrete composite additive and preparation method thereof

Technical Field

The invention relates to the technical field of concrete composite additives, in particular to a high-efficiency concrete composite additive and a preparation method thereof.

Background

The concrete admixture is a chemical substance which is added in the process of stirring the concrete, accounts for less than 5 percent of the mass of the cement and can obviously improve the performance of the concrete. The concrete admixture has the characteristics of multiple varieties, small mixing amount, great influence on the performance of concrete, low investment, quick response and obvious technical and economic benefits.

In the process of hardening concrete, various problems can occur, so that people develop various concrete admixtures through a large amount of experiments to solve the problems, the performance of the concrete can be effectively improved, but the existing concrete admixtures have single function, and when the problems occurring in the process of hardening the concrete are solved, the concrete admixtures need to be mixed, and the use is inconvenient.

In view of the above, the present invention provides a high efficiency concrete composite admixture and a preparation method thereof, so as to solve the problems of the prior art.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a high-efficiency concrete composite additive and a preparation method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

the high-efficiency concrete composite additive comprises the following components in percentage by weight: 10 to 15 percent of silicate, 1 to 5 percent of potassium ethylsilicate, 3 to 5 percent of lignosulfonate, 0.5 to 1.5 percent of sodium sulfate, 1 to 3.5 percent of sodium fatty acid, 0.1 to 0.8 percent of sodium hydroxide, 0.3 to 1 percent of sodium bisulfate, 1 to 6 percent of cellulose, 1 to 2.5 percent of triethanolamine, 0.01 to 0.2 percent of defoaming agent, 0.01 to 0.1 percent of pH regulator and 60 to 82 percent of water are mixed and stirred by processing equipment.

Further, the processing equipment includes the mixing box, the mixing box top is rotated and is connected with the stirring main shaft, and the equal symmetry of stirring main shaft below outer wall is equipped with a plurality of fixed plates, and stirring main shaft top outer wall is equipped with agitator motor, and the relative one side outer wall of per two fixed plates all rotates and is connected with the stirring countershaft, and the stirring countershaft outer wall is equipped with a plurality of stirring boards one, and every stirring board outer wall all is equipped with a plurality of logical grooves, and logical groove one side all inlays and has the polymer cover.

Further, the inner wall of one side of the through groove is rotatably connected with a driving shaft, the outer wall of the middle of the driving shaft is fixedly connected with a rotating sleeve, the outer wall of the rotating sleeve is fixedly connected with a plurality of stirring driving plates at equal intervals, the outer wall of one side of the driving shaft is fixedly connected with a second rotating shaft, the second rotating shaft is located in the polymer cover, and the outer wall of the second rotating shaft is provided with a spiral auger.

Further, the outer wall of one side of the second rotating shaft is fixedly connected with a mounting plate, the mounting plate is fixedly connected to the inner wall of the polymer cover, and the outer walls of the upper part and the lower part of the second rotating shaft are respectively provided with the same number of stirring long plates and stirring short plates.

Further, the outer wall of one side of the long stirring plate opposite to the outer wall of the short stirring plate are rotatably connected with a first rotating shaft, and the outer wall of the first rotating shaft is provided with a plurality of second stirring plates.

Further, mixing box below one side outer wall is equipped with the discharge gate, and mixing box top one side outer wall is equipped with feed inlet and water inlet, and the feed inlet both sides all are equipped with keeps off the material swash plate, keeps off that material swash plate one end all articulates there is the backup pad.

Further, mixing box both sides inner wall and backup pad bottom outer wall all articulate there is the T template, and the equal sliding connection in the relative one side of T template has same slide bar, and slide bar outer wall cover is equipped with coupling spring, and the backup pad below all is equipped with crushing axle, and the crushing axle outer wall is all crisscross to be equipped with a plurality of crushing teeth.

A preparation method of a high-efficiency concrete composite additive comprises the following specific steps:

s to be used for making the various raw materials of concrete composite admixture and drop into from the feed inlet of mixing box according to the ratio, various raw materials can cause the impact force to the backup pad under the effect of gravity, thereby make the interval between two T templates diminish, the slide bar enters into two T templates respectively, connecting spring is compressed simultaneously, when the impact force diminishes, under the effect of connecting spring resilience force, the backup pad upward movement, thereby make each raw materials mix, block up when avoiding the unloading, after that by smashing epaxial crushing tooth fully crushing, get into inside the mixing box at last, simultaneously with water according to the ratio through the water inlet input to the mixing box in:

s, after raw materials and water enter a mixing box according to a ratio, a stirring motor drives a stirring main shaft to rotate, so that a plurality of stirring auxiliary shafts and a stirring plate I are driven by a fixing plate to rotate to stir a mixed solution, part of the solution in the mixing box is gathered in the mixing box by a polymer cover and the mixed solution enters a plurality of through grooves on the stirring plate I, in the stirring process, the solution entering the through grooves generates thrust by a stirring driving plate on a rotating sleeve to drive a driving shaft to rotate so as to drive a rotating shaft II in the polymer cover to rotate, in the rotating process of the rotating shaft II in the polymer cover, the solution in the mixing box is stirred by a stirring long plate, a stirring short plate and the plurality of stirring plates on the rotating shaft I, and the solution can be conveyed into a barrel tank while being stirred by a spiral auger, and the raw materials are fully mixed by the stirring driving plate for secondary stirring, and finally the high-efficiency composite additive is obtained through a discharge hole.

The invention has the beneficial effects that:

in the invention, the composite additive obtained by reasonably preparing various raw materials has simple production and excellent performance, and can effectively improve the water reduction rate after being used_，The concrete has the advantages of greatly improving the durability of the concrete, enhancing the compression resistance, the tensile resistance, the bending resistance and the shear strength of the concrete, prolonging the service life of the concrete, remarkably improving the hardening degree, the frost resistance and the caking property of the concrete, reducing the bleeding amount, improving the homogeneity, having certain chemical erosion resistance and being suitable for more fields.

Drawings

FIG. 1 is a schematic sectional view of a mixing box for a high efficiency concrete composite admixture and a method for preparing the same;

FIG. 2 is an enlarged schematic view of the structure at the position A of the high-efficiency concrete composite admixture and the preparation method thereof;

FIG. 3 is a schematic diagram of a polymer cap structure of a high-efficiency concrete composite admixture and a preparation method thereof;

FIG. 4 is an enlarged schematic view of the structure at B position of the high-efficiency concrete composite admixture and the preparation method thereof.

In the figure: 1-mixing box, 2-polymer cover, 3-stirring auxiliary shaft, 4-feeding hole, 5-stirring motor, 6-fixing plate, 7-stirring main shaft, 8-stirring plate I, 9-discharging hole, 10-stirring driving plate, 11-rotating sleeve, 12-driving shaft, 13-through groove, 14-mounting plate, 15-stirring long plate, 16-stirring plate II, 17-rotating shaft I, 18-stirring short plate, 19-spiral auger, 20-rotating shaft II, 21-crushing shaft, 22-material blocking inclined plate, 23-supporting plate, 24-T-shaped plate, 25-connecting spring, 26-sliding rod and 27-crushing tooth.

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.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-4, the high-efficiency concrete composite admixture comprises the following components in percentage by weight: 10 to 15 percent of silicate, 1 to 5 percent of potassium ethylsilicate, 3 to 5 percent of lignosulfonate, 0.5 to 1.5 percent of sodium sulfate, 1 to 3.5 percent of sodium fatty acid, 0.1 to 0.8 percent of sodium hydroxide, 0.3 to 1 percent of sodium bisulfate, 1 to 6 percent of cellulose, 1 to 2.5 percent of triethanolamine, 0.01 to 0.2 percent of defoaming agent, 0.01 to 0.1 percent of pH regulator and 60 to 82 percent of water are mixed and stirred by processing equipment.

Wherein, the processing equipment includes mixing box 1, 1 top of mixing box is rotated and is connected with stirring main shaft 7, and the equal symmetry of stirring main shaft 7 below outer wall is equipped with a plurality of

fixed plates

6, 7 top outer walls of stirring main shaft are equipped with agitator motor 5, 6 relative one side outer walls of per two fixed plates are all rotated and are connected with stirring

countershaft

3, 3 outer walls of stirring countershaft are equipped with a plurality of stirring

boards

8, 8 outer walls of every stirring board all are equipped with a plurality of logical grooves 13, it has polymer cover 2 all to inlay in logical groove 13 one side, so driving motor 5 drives the rotatory in-process of stirring main shaft 7, partial solution in mixing box 1 can be by polymer cover 2 gathering inside it, and mixed solution can get into a plurality of logical grooves 13 on the stirring board 8.

Wherein, it is connected with drive shaft 12 to lead to the rotation of 13 one side inner wall, and drive shaft 12 middle part outer wall fixedly connected with rotating sleeve 11, a plurality of stirring drive plates 10 of rotating sleeve 11 outer wall equidistance fixedly connected with, drive shaft 12 one side outer wall fixedly connected with rotation axis two 20, rotation axis two 20 is located and gathers thing cover 2, rotation axis two 20 outer walls are equipped with spiral auger 19, so the solution that gets into and leads to groove 13 can promote to stir drive plate 10 and make drive shaft 12 rotatory through rotating sleeve 11 to make and gather rotation axis two 20 in the thing cover 2 rotatory.

Wherein, the outer wall fixedly connected with mounting panel 14 of one side of the second 20 of rotating shafts, and mounting panel 14 fixedly connected to the inner wall of the polymer cover 2, the outer wall of the upper and lower sides of the second 20 of rotating shafts is equipped with the same number of long stirring plates 15 and short stirring plates 18 respectively, so the second 20 of rotating shafts in the polymer cover 2 rotates in-process, through long stirring plates 15, short stirring plates 18.

Wherein, the outer wall of the opposite side of the long stirring plate 15 and the short stirring plate 18 is rotatably connected with a first rotating shaft 17, and the outer wall of the first rotating shaft 17 is provided with a plurality of second stirring plates 16, so that the solution in the first rotating shaft 17 can be stirred by the plurality of second stirring plates 16, and the raw materials are fully mixed.

Wherein, 1 below one side outer wall of mixing box is equipped with discharge gate 9, and 1 top one side outer wall of mixing box is equipped with feed inlet 4 and water inlet, and 4 both sides of feed inlet all are equipped with and keep off material swash plate 22, and it all articulates to keep off material swash plate 22 one end has backup pad 23.

Wherein, 1 both sides inner wall of mixing box and backup pad 23 bottom outer wall all articulate there is T template 24, and the equal sliding connection in the relative one side of T template 24 has same slide bar 26, slide bar 26 outer wall cover is equipped with coupling spring 25, backup pad 23 below all is equipped with crushing axle 21, crushing axle 21 outer wall all interlocks and is equipped with a plurality of crushing teeth 27, when throwing the raw materials of each ratio, through the raw materials under gravity and coupling spring 25's cooperation, make each raw materials mix, block up when avoiding the unloading, each raw materials is smashed by the crushing tooth 27 on the crushing axle 21 fully afterwards, get into mixing box 1 inside at last, promote mixed effect.

s1, various raw materials for manufacturing the concrete composite admixture are fed from a feed inlet 4 of a mixing box 1 according to the proportion, the various raw materials can cause impact force to a support plate 23 under the action of gravity, so that the distance between two T-shaped plates 24 is reduced, a slide rod 26 respectively enters the two T-shaped plates 24, a connecting spring 25 is compressed, when the impact force is reduced, the support plate 23 moves upwards under the action of resilience force of the connecting spring 25, so that the raw materials are mixed, the blockage during blanking is avoided, then the raw materials are fully crushed by crushing teeth 27 on a crushing shaft 21 and finally enter the mixing box 1, and water is simultaneously input into the mixing box 1 through a water inlet according to the proportion:

s2, after raw materials and water enter a mixing box 1 according to the proportion, a stirring motor 5 drives a stirring main shaft 7 to rotate, so that a plurality of stirring auxiliary shafts 3 and a stirring plate I8 are driven to rotate through a fixing plate 6, the mixed solution is stirred, during the stirring process, part of the solution in the mixing box 1 is gathered in the mixing box and enters a plurality of through grooves 13 on the stirring plate I8, during the stirring process, the solution entering the through grooves 13 generates thrust through a stirring driving plate 10 on a rotating sleeve 11 to drive a driving shaft 12 to rotate, so that a rotating shaft II 20 in the polymer cover 2 is driven to rotate, during the rotating process of the rotating shaft II 20 in the polymer cover 2, the solution in the mixing box is stirred through a stirring long plate 15, a stirring short plate 18 and a plurality of stirring plates II 16 on the rotating shaft I17, and the solution can be conveyed into a barrel tank 13 while being stirred through a spiral auger 19, and is secondarily stirred by a stirring driving plate 10, so that all the raw materials are fully mixed, and finally the high-efficiency composite additive is obtained through a discharge hole 9.

The working principle is as follows: various raw materials for manufacturing the concrete composite admixture are fed from a feed inlet 4 of a mixing box 1 according to the ratio, the various raw materials can cause impact force to a support plate 23 under the action of gravity, so that the distance between two T-shaped plates 24 is reduced, a slide rod 26 respectively enters the two T-shaped plates 24, a connecting spring 25 is compressed, when the impact force is reduced, the support plate 23 moves upwards under the action of resilience force of the connecting spring 25, so that the raw materials are mixed, the blockage during blanking is avoided, the raw materials are fully crushed by crushing teeth 27 on a crushing shaft 21 and finally enter the mixing box 1, water is simultaneously input into the mixing box 1 through a water inlet according to the ratio, a stirring main shaft 7 is driven by a stirring motor 5 to rotate, a plurality of stirring auxiliary shafts 3 and stirring plates I8 are driven to rotate by a fixing plate 6, the mixed solution is stirred, and in the stirring process, part of the solution in the mixing box 1 can be gathered inside the mixing box by the polymer cover 2, and the mixed solution can enter the plurality of through grooves 13 on the first stirring plate 8, in the process, the solution entering the through grooves 13 can generate thrust through the stirring driving plate 10 on the rotating sleeve 11 during stirring, the driving shaft 12 is driven to rotate, so that the second rotating shaft 20 in the polymer cover 2 is driven to rotate, in the rotating process of the second rotating shaft 20 in the polymer cover 2, the solution in the mixing box is stirred through the stirring long plate 15, the stirring short plate 18 and the plurality of second stirring plates 16 on the first rotating shaft 17, the solution can be conveyed into the barrel tank 13 while being stirred through the spiral auger 19, the solution is stirred for the second time by the stirring driving plate 10, so that all raw materials are fully mixed, and finally the high-efficiency composite additive is obtained through the discharge hole 9.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The high-efficiency concrete composite additive is characterized by comprising the following components in percentage by weight: 10 to 15 percent of silicate, 1 to 5 percent of potassium ethylsilicate, 3 to 5 percent of lignosulfonate, 0.5 to 1.5 percent of sodium sulfate, 1 to 3.5 percent of sodium fatty acid, 0.1 to 0.8 percent of sodium hydroxide, 0.3 to 1 percent of sodium bisulfate, 1 to 6 percent of cellulose, 1 to 2.5 percent of triethanolamine, 0.01 to 0.2 percent of defoaming agent, 0.01 to 0.1 percent of pH regulator and 60 to 82 percent of water are mixed and stirred by processing equipment.

2. The high-efficiency concrete composite additive according to claim 1, wherein the processing equipment comprises a mixing box (1), the top of the mixing box (1) is rotatably connected with a stirring main shaft (7), the outer walls of the upper part and the lower part of the stirring main shaft (7) are symmetrically provided with a plurality of fixing plates (6), the outer wall of the top of the stirring main shaft (7) is provided with a stirring motor (5), the outer wall of one side, opposite to each other, of every two fixing plates (6) is rotatably connected with a stirring auxiliary shaft (3), the outer wall of the stirring auxiliary shaft (3) is provided with a plurality of stirring plates I (8), the outer wall of each stirring plate I (8) is provided with a plurality of through grooves (13), and one side of each through groove (13) is embedded with a polymer cover (2).

3. The high-efficiency concrete composite additive according to claim 2, wherein the inner wall of one side of the through groove (13) is rotatably connected with a driving shaft (12), the outer wall of the middle part of the driving shaft (12) is fixedly connected with a rotating sleeve (11), the outer wall of the rotating sleeve (11) is fixedly connected with a plurality of stirring driving plates (10) at equal intervals, the outer wall of one side of the driving shaft (12) is fixedly connected with a second rotating shaft (20), the second rotating shaft (20) is positioned in the polymer cover (2), and the outer wall of the second rotating shaft (20) is provided with a spiral packing auger (19).

4. The high-efficiency concrete composite admixture according to claim 3, wherein the outer wall of one side of the second rotating shaft (20) is fixedly connected with a mounting plate (14), the mounting plate (14) is fixedly connected with the inner wall of the polymer cover (2), and the outer walls of the upper part and the lower part of the second rotating shaft (20) are respectively provided with the same number of stirring long plates (15) and stirring short plates (18).

5. The high-efficiency concrete composite admixture according to claim 4, wherein the outer wall of one side of the long stirring plate (15) opposite to the outer wall of the short stirring plate (18) is rotatably connected with a first rotating shaft (17), and the outer wall of the first rotating shaft (17) is provided with a plurality of second stirring plates (16).

6. The high-efficiency concrete composite additive according to claim 2, wherein the outer wall of one side below the mixing box (1) is provided with a discharge hole (9), the outer wall of one side of the top of the mixing box (1) is provided with a feed inlet (4) and a water inlet, the two sides of the feed inlet (4) are provided with material blocking inclined plates (22), and one ends of the material blocking inclined plates (22) are hinged with support plates (23).

7. The high-efficiency concrete composite additive according to claim 6, wherein the inner walls of two sides of the mixing box (1) and the outer wall of the bottom of the supporting plate (23) are hinged with T-shaped plates (24), one sliding rod (26) is connected to one side of the T-shaped plates (24) in a sliding manner, a connecting spring (25) is sleeved on the outer wall of each sliding rod (26), a crushing shaft (21) is arranged below the supporting plate (23), and a plurality of crushing teeth (27) are arranged on the outer wall of each crushing shaft (21) in a staggered manner.

8. The preparation method of the high-efficiency concrete composite admixture according to claim 1 is characterized by comprising the following specific steps:

s1, various raw materials for manufacturing the concrete composite admixture are fed from a feed inlet (4) of a mixing box (1) according to the proportion, the various raw materials can cause impact force to a support plate (23) under the action of gravity, so that the distance between two T-shaped plates (24) is reduced, a sliding rod (26) respectively enters into the two T-shaped plates (24), a connecting spring (25) is compressed simultaneously, when the impact force is reduced, the support plate (23) moves upwards under the action of resilience force of the connecting spring (25), so that the raw materials are mixed, the blockage during blanking is avoided, the raw materials are fully crushed by crushing teeth (27) on a crushing shaft (21), and finally the raw materials enter into the mixing box (1) and water is input into the mixing box (1) through a water inlet according to the proportion:

s2, after the raw materials and water enter a mixing box (1) according to the proportion, a stirring motor (5) drives a stirring main shaft (7) to rotate, so that a plurality of stirring auxiliary shafts (3) and a stirring plate I (8) are driven to rotate through a fixing plate (6), mixed solution is stirred, in the stirring process, part of solution in the mixing box (1) can be gathered in the mixing box by a polymer cover (2), and the mixed solution can enter a plurality of through grooves (13) in the stirring plate I (8), in the stirring process, the solution entering the through grooves (13) can generate thrust through a stirring driving plate (10) on a rotating sleeve (11) to drive a driving shaft (12) to rotate, so that a rotating shaft II (20) in the polymer cover (2) is driven to rotate, and in the rotating process of the rotating shaft II (20) in the polymer cover (2), the long stirring plate (15) is used for stirring, The stirring short plates (18) and the stirring plates II (16) on the rotating shaft I (17) stir the solution in the stirring short plates, the solution can be conveyed into the barrel tank (13) while being stirred by the spiral packing auger (19), and the solution is stirred for the second time by the stirring driving plate (10), so that all raw materials are fully mixed, and finally the high-efficiency composite additive is obtained through the discharge hole (9).