阅读说明：本技术 一种混凝土添加剂 (Concrete additive ) 是由 王香丽 王建勇 王泽宇 李秀臣 葛红超 张福 卜德彦 程美云 贺艳霞 张贝 武果 于 2020-12-16 设计创作，主要内容包括：本发明公开了一种混凝土添加剂,由如下重量比成分组成：改性水泥10-30份、二氧化硅3-9份、改性膨润土10-20份、聚丙烯纤维10-15份、引气剂5-10份、稳定剂1-2份、阻锈剂3-7份、减水剂10-20份、丙烯酸乳液8-20份、去离子水10-25份,且配适的搅拌机包括：壳体,所述壳体包括外壳和内壳,所述内壳通过减震机构固定安装在外壳内部,所述内壳通过进料机构与外壳顶壁连通；搅拌机构,所述搅拌机构包括电机、转轴、搅拌杆、底盘和底杆,所述转轴固定连接在电机输出端,多个所述搅拌杆交错固定连接在转轴上。本发明从多个方面提高混凝土的性能,延长了混凝土的使用寿命,降低了混凝土建筑的维修成本。(The invention discloses a concrete additive, which consists of the following components in percentage by weight: 10-30 parts of modified cement, 3-9 parts of silicon dioxide, 10-20 parts of modified bentonite, 10-15 parts of polypropylene fiber, 5-10 parts of air entraining agent, 1-2 parts of stabilizer, 3-7 parts of rust inhibitor, 10-20 parts of water reducing agent, 8-20 parts of acrylic emulsion and 10-25 parts of deionized water, and the matched stirrer comprises: the shell comprises an outer shell and an inner shell, the inner shell is fixedly arranged in the outer shell through a damping mechanism, and the inner shell is communicated with the top wall of the outer shell through a feeding mechanism; rabbling mechanism, rabbling mechanism includes motor, pivot, puddler, chassis and sill bar, pivot fixed connection is at the motor output, and is a plurality of the crisscross fixed connection of puddler is in the pivot. The invention improves the performance of the concrete in multiple aspects, prolongs the service life of the concrete and reduces the maintenance cost of the concrete building.)

1. The concrete additive is characterized by comprising the following components in parts by weight:

10-30 parts of modified cement, 3-9 parts of silicon dioxide, 10-20 parts of modified bentonite, 10-15 parts of polypropylene fiber, 5-10 parts of air entraining agent, 1-2 parts of stabilizer, 3-7 parts of rust inhibitor, 10-20 parts of water reducing agent, 8-20 parts of acrylic emulsion and 10-25 parts of deionized water.

2. The concrete additive as claimed in claim 1, wherein the air-entraining agent is one or more selected from rosin derivatives, sulfonates, soaps, phenol ethers and alcohol ethers, such as rosin thermopolymer, sodium alkylsulfonate, sodium alkylbenzenesulfonate, lignosulfonate, polyoxyethylene lauryl ether and polyoxyethylene nonylphenol ether.

3. The concrete additive according to claim 1, wherein the composite water reducing agent is composed of calcium lignosulfonate, aminotriethanol, sulfonate type waterborne polyurethane, aluminum oxide and calcium chloride.

4. The concrete additive as claimed in claim 1, wherein the stabilizer is composed of triethanolamine, zinc nitrate and water.

5. The concrete additive according to claim 1, wherein the preparation method comprises the following steps:

s1: putting the modified cement, the silicon dioxide, the modified bentonite and the polypropylene fiber into a stirrer for stirring at a proper temperature, and adding the acrylic emulsion and the deionized water for fully mixing after uniformly mixing;

s2: when the solid and liquid in the stirrer are obviously layered, the air entraining agent, the water reducing agent, the stabilizing agent and the rust inhibitor are put into the stirrer according to a certain proportion for stirring.

6. A concrete additive according to claim 1 wherein the mixer comprises:

the shock absorber comprises a shell, wherein the shell comprises an outer shell (1) and an inner shell (2), supporting legs are fixedly connected to the bottom of the outer shell (1), a controller is fixedly installed on the side wall of the outer shell, the inner shell (2) is fixedly installed inside the outer shell (1) through a shock absorption mechanism, the top of the inner shell (2) is communicated with the top wall of the outer shell (1) through a feeding mechanism, and the bottom of the inner shell (2) is communicated with the bottom of the outer shell (1) through a discharging mechanism;

rabbling mechanism, rabbling mechanism includes motor (3), pivot (4), puddler (5), chassis (6) and sill bar (7), motor (3) fixed mounting is at inner shell (2) top, pivot (4) fixed connection is at motor (3) output, the one end of motor (3) is kept away from in pivot (4) to chassis (6) center fixed connection, and is a plurality of puddler (5) crisscross fixed connection is on pivot (4), chassis (6) diameter is unanimous with the diameter of inner shell (2), and the lateral wall hugs closely with inner shell (2) inner wall, radius frustum shape recess has been seted up to chassis (6) inside, and is a plurality of sill bar (7) fixed connection is inside the recess, and uses pivot (4) as centre of a circle annular array.

7. The concrete additive as claimed in claim 6, wherein the shock absorbing mechanism is composed of a plurality of folding pipes (8), the folding pipes (8) are made of elastic materials and filled with gas, two ends of each folding pipe (8) are fixedly connected with the outer wall of the inner shell (2) and the inner wall of the outer shell (1) respectively, and the folding pipes (8) are fixedly arranged in gaps between the outer shell (1) and the inner shell (2) at equal intervals.

8. The concrete additive according to claim 6, wherein the feeding mechanism comprises an upper feeding pipe (9), a lower feeding pipe (10) and a connecting pipe (11), the upper feeding pipe (9) is fixedly installed at the top of the outer shell (1), the lower feeding pipe (10) is fixedly installed at the top of the inner shell (2) and is located right below the upper feeding pipe (9), and two ends of the connecting pipe (11) are respectively fixedly connected with the bottom end of the upper feeding pipe (9) and the upper end of the lower feeding pipe (10) and are made of elastic materials.

9. The concrete additive according to claim 6, wherein the chassis (6) is provided with a filtering mechanism, the filtering mechanism comprises a filter screen (12) and a ring opening (13), the two ring openings (13) with different radiuses are arranged on the chassis (6) and both use the rotating shaft (4) as a circle center, and the filter screen (12) is fixedly arranged inside the ring opening (13).

10. The concrete additive according to claim 6, wherein the discharging mechanism comprises a discharging pipe (14) and a bottom pipe (15), the bottom wall of the inner shell (2) is high in edge and low in center, the bottom pipe (15) is fixedly connected to the bottom of the inner shell (2), the discharging pipe (14) is fixedly connected to the bottom pipe (15), an opening is formed in the bottom of the outer shell (1), and the discharging pipe (14) is installed inside the opening and has a diameter smaller than the diameter of the opening.

Technical Field

The invention relates to the technical field of concrete, in particular to a concrete additive.

Background

Concrete is one of the most important civil engineering materials of the present generation. The artificial stone is prepared by a cementing material, granular aggregate (also called aggregate), water, an additive and an admixture which are added if necessary according to a certain proportion, and is formed by uniformly stirring, compacting, forming, curing and hardening. The concrete has the characteristics of rich raw materials, low price and simple production process, so that the consumption of the concrete is increased more and more. Meanwhile, the concrete also has the characteristics of high compressive strength, good durability, wide strength grade range and the like. These characteristics make it very widely used, not only in various civil engineering, that is shipbuilding, machinery industry, ocean development, geothermal engineering, etc., but also concrete is an important material.

However, since concrete is often exposed to various harsh environments, such as invasion of corrosive media around the environment, changes in environmental temperature and humidity, freeze-thaw cycle damage, and frequent heavy load abrasion in part of concrete engineering, these external conditions will seriously affect the service life of concrete.

Disclosure of Invention

The invention aims to solve the following defects in the prior art and provide a concrete additive with poor resistance to external environment influence.

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

a concrete additive comprises the following components in parts by weight:

10-30 parts of modified cement, 3-9 parts of silicon dioxide, 10-20 parts of modified bentonite, 10-15 parts of polypropylene fiber, 5-10 parts of air entraining agent, 1-2 parts of stabilizer, 3-7 parts of rust inhibitor, 10-20 parts of water reducing agent, 8-20 parts of acrylic emulsion and 10-25 parts of deionized water.

Preferably, the air entraining agent can be one or a mixture of several of rosin derivatives, sulfonate, soaps, phenol ether or alcohol ether, such as rosin thermopolymer, alkyl sodium sulfonate, sodium alkyl benzene sulfonate, lignosulfonate, lauryl alcohol polyoxyethylene ether, nonylphenol polyoxyethylene ether and the like.

Preferably, the composite water reducing agent consists of calcium lignosulphonate, aminotriethanol, sulfonate type waterborne polyurethane, aluminum oxide and calcium chloride.

Preferably, the stabilizer consists of triethanolamine, zinc nitrate and water.

A concrete additive is prepared by the following steps:

s1: putting the modified cement, the silicon dioxide, the modified bentonite and the polypropylene fiber into a stirrer for stirring at a proper temperature, and adding the acrylic emulsion and the deionized water for fully mixing after uniformly mixing;

s2: when the solid and liquid in the stirrer are obviously layered, the air entraining agent, the water reducing agent, the stabilizing agent and the rust inhibitor are put into the stirrer according to a certain proportion for stirring.

Preferably, the mixer of the present invention comprises:

the device comprises a shell, a support leg, a controller, a damping mechanism, a feeding mechanism, a discharging mechanism and a controller, wherein the shell comprises an outer shell and an inner shell, the bottom of the outer shell is fixedly connected with the support leg, the side wall of the outer shell is fixedly provided with the controller, the inner shell is fixedly arranged in the outer shell through the damping mechanism, the top of the inner shell is communicated with the top wall of the outer shell through the feeding mechanism, and the bottom;

rabbling mechanism, rabbling mechanism includes motor, pivot, puddler, chassis and sill bar, motor fixed mounting is at the inner shell top, pivot fixed connection is at the motor output, the one end of motor is kept away from in the pivot to chassis center fixed connection, and is a plurality of the crisscross fixed connection of puddler is in the pivot, the chassis diameter is unanimous with the diameter of inner shell, and the lateral wall hugs closely with the inner shell inner wall, the inside radius truncated cone shape recess of having seted up in chassis, and is a plurality of sill bar fixed connection is inside the recess, and uses the pivot as centre of a circle annular array.

Preferably, damper has a plurality of folding pipes to constitute, folding pipe is made by elastic material, and inside packing has gas, folding pipe both ends respectively with inner shell outer wall and outer shell inner wall fixed connection, a plurality of folding pipe equidistance fixed mounting is in the clearance of shell and inner shell.

Preferably, feed mechanism includes feeding tube, lower inlet pipe and connecting pipe, go up feeding tube fixed mounting at the shell top, feeding tube fixed mounting is at the inner shell top down, and is located feeding tube under, the connecting pipe both ends respectively with the upper end fixed connection of last feeding tube bottom and lower inlet pipe, and make by the elasticity material.

Preferably, install filtering mechanism on the chassis, filtering mechanism includes filter screen and ring opening, and the ring opening that two radiuses are different is seted up on the chassis, and all uses the pivot as the centre of a circle, filter screen fixed mounting is inside the ring opening.

Preferably, discharge mechanism includes discharging pipe and bottom tube, the inner shell diapire is marginal height, and the center is low, bottom tube fixed connection is in the inner shell bottom, discharging pipe fixed connection is on the bottom tube, the opening has been seted up to the shell bottom, inside the opening was loved in the discharging pipe installation, and the diameter is less than the opening diameter.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention improves the performance of the concrete from multiple aspects through reasonable raw material proportion, prolongs the service life of the concrete and reduces the maintenance cost of the concrete building.

2. The mixer bottom is provided with the carousel, and when the stirring, the sill bar on the mixer chassis rotates, will sink all kinds of raw materials in the bottom and carry out the intensive mixing, makes the raw materials fully react and mix, has avoided the waste of raw materials and the improper condition of the inside raw materials proportion of additive to appear, simultaneously when the ejection of compact, carries out simple filtration to inside, avoids the reaction to deposit and sneaks into the additive, makes the concentration of additive change.

Drawings

FIG. 1 is a schematic diagram of a front structure of a concrete additive according to the present invention;

FIG. 2 is a schematic top view of a concrete additive according to the present invention;

fig. 3 is a partially enlarged structural diagram of a in fig. 1.

In the figure: the device comprises an outer shell 1, an inner shell 2, a motor 3, a rotating shaft 4, a stirring rod 5, a base plate 6, a bottom rod 7, a folding pipe 8, an upper feeding pipe 9, a lower feeding pipe 10, a connecting pipe 11, a filter screen 12, a ring opening 13, a discharging pipe 14 and a bottom pipe 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example one

A concrete additive comprises the following components in parts by weight:

10 parts of modified cement, 3 parts of silicon dioxide, 10 parts of modified bentonite, 10 parts of polypropylene fiber, 5 parts of air entraining agent, 1 part of stabilizer, 3 parts of rust inhibitor, 10 parts of water reducing agent, 8 parts of acrylic emulsion and 10 parts of deionized water.

A concrete additive is prepared by the following steps:

s1: putting the modified cement, the silicon dioxide, the modified bentonite and the polypropylene fiber into a stirrer for stirring at a proper temperature, and adding the acrylic emulsion and the deionized water for fully mixing after uniformly mixing;

s2: when the solid and liquid in the stirrer are obviously layered, the air entraining agent, the water reducing agent, the stabilizing agent and the rust inhibitor are put into the stirrer according to a certain proportion for stirring.

Referring to fig. 1-3, a concrete additive, the mixer comprising:

the device comprises a shell, wherein the shell comprises an outer shell 1 and an inner shell 2, the bottom of the outer shell 1 is fixedly connected with support legs, the side wall of the outer shell is fixedly provided with a controller, the inner shell 2 is fixedly arranged in the outer shell 1 through a damping mechanism, the top of the inner shell 2 is communicated with the top wall of the outer shell 1 through a feeding mechanism, and the bottom of the inner shell 2 is communicated with the bottom of the outer shell 1 through a discharging mechanism;

rabbling mechanism, rabbling mechanism includes motor 3, pivot 4, puddler 5, chassis 6 and sill bar 7, 3 fixed mounting of motor is at 2 tops of inner shell, 4 fixed connection in the output of motor, 6 central fixed connection in chassis keeps away from the one end of motor 3 in pivot 4, the crisscross fixed connection of a plurality of puddlers 5 is on pivot 4, 6 diameters in chassis are unanimous with the diameter of inner shell 2, and the lateral wall is hugged closely with 2 inner walls of inner shell, 6 inside radius frustum shape recesses of having seted up on chassis, 7 fixed connection of a plurality of sill bars are inside the recess, and use pivot 4 as centre of a circle annular array.

According to the invention, raw materials with a certain proportion enter the inner shell 2 through the feeding mechanism, the motor 3 is started, the rotating shaft 4 starts to rotate to drive the stirring rod 5 and the chassis 6 to rotate, and the stirring rod 5 and the bottom rod 7 which horizontally rotate uniformly stir the raw materials, so that the raw materials at the bottom and the middle part are fully mixed, and the waste of the raw materials and the situation that the proportion of the raw materials in the additive is not proper are avoided.

In this embodiment, the air-entraining agent may be one or a mixture of several of rosin derivatives, sulfonates, soaps, phenol ethers or alcohol ethers, such as rosin thermopolymer, sodium alkylsulfonate, sodium alkylbenzenesulfonate, lignosulfonate, lauryl polyoxyethylene ether, nonylphenol polyoxyethylene ether, etc.;

the composite water reducing agent consists of calcium lignosulphonate, amino triethanol, sulfonate type waterborne polyurethane, aluminum oxide and calcium chloride;

the stabilizer consists of triethanolamine, zinc nitrate and water;

the damping mechanism is composed of a plurality of folding pipes 8, the folding pipes 8 are made of elastic materials, gas is filled in the folding pipes 8, two ends of each folding pipe 8 are fixedly connected with the outer wall of the inner shell 2 and the inner wall of the outer shell 1 respectively, and the folding pipes 8 are fixedly arranged in gaps between the outer shell 1 and the inner shell 2 at equal intervals;

the feeding mechanism comprises an upper feeding pipe 9, a lower feeding pipe 10 and a connecting pipe 11, the upper feeding pipe 9 is fixedly arranged at the top of the outer shell 1, the lower feeding pipe 10 is fixedly arranged at the top of the inner shell 2 and is positioned right below the upper feeding pipe 9, and two ends of the connecting pipe 11 are respectively fixedly connected with the bottom end of the upper feeding pipe 9 and the upper end of the lower feeding pipe 10 and are made of elastic materials;

a filtering mechanism is arranged on the chassis 6, the filtering mechanism comprises a filter screen 12 and a ring opening 13, the two ring openings 13 with different radiuses are arranged on the chassis 6 and both use the rotating shaft 4 as the circle center, and the filter screen 12 is fixedly arranged inside the ring opening 13;

discharge mechanism includes discharging pipe 14 and bottom tube 15, and 2 diapalls of inner shell are high for the edge, and the center is low, and bottom tube 15 fixed connection is in 2 bottoms of inner shell, and discharging pipe 14 fixed connection is on bottom tube 15, and the opening has been seted up to outer shell 1 bottom, and inside discharging pipe 14 installation love the opening, and the diameter is less than the opening diameter.

Example two

A concrete additive comprises the following components in parts by weight:

17 parts of modified cement, 5 parts of silicon dioxide, 16 parts of modified bentonite, 12 parts of polypropylene fiber, 6 parts of air entraining agent, 7 parts of stabilizer, 4 parts of rust inhibitor, 14 parts of water reducing agent, 13 parts of acrylic emulsion and 15 parts of deionized water.

EXAMPLE III

A concrete additive comprises the following components in parts by weight:

20 parts of modified cement, 6 parts of silicon dioxide, 15 parts of modified bentonite, 13 parts of polypropylene fiber, 7 parts of air entraining agent, 2 parts of stabilizer, 4 parts of rust inhibitor, 15 parts of water reducing agent, 14 parts of acrylic emulsion and 17 parts of deionized water.

Example four

A concrete additive comprises the following components in parts by weight:

23 parts of modified cement, 7 parts of silicon dioxide, 15 parts of modified bentonite, 13 parts of polypropylene fiber, 8 parts of air entraining agent, 2 parts of stabilizer, 5 parts of rust inhibitor, 17 parts of water reducing agent, 18 parts of acrylic emulsion and 23 parts of deionized water.

EXAMPLE five

A concrete additive comprises the following components in parts by weight:

30 parts of modified cement, 9 parts of silicon dioxide, 20 parts of modified bentonite, 15 parts of polypropylene fiber, 10 parts of air entraining agent, 2 parts of stabilizer, 7 parts of rust inhibitor, 20 parts of water reducing agent, 20 parts of acrylic emulsion and 25 parts of deionized water.

The additives prepared in the first to fifth embodiments are added into the concrete, so that the performance of the concrete is improved in multiple aspects, the service life of the concrete is prolonged, and the maintenance cost of concrete buildings is reduced.

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.