CN218854006U - Concrete early strength agent raw material stirring device - Google Patents

Abstract

The utility model discloses a concrete early strength agent raw material mixing device, including agitator and (mixing) shaft, be provided with the inlet pipe at the top of agitator, be provided with the structure of breaing up that is used for breaing up the material in the inlet pipe the bottom of agitator is provided with prevents that the material is sedimentary prevents the deposit structure the bottom of (mixing) shaft is provided with stirring paddle leaf, is located at this (mixing) shaft stirring paddle leaf's top is provided with a plurality of stirring vane. The utility model discloses some raw materialss according to the early strength agent of concrete wet into a group easily still some easily from inhaling the characteristic of group, set up in the inlet pipe and break up the structure, can break up the material of reunion, can improve the stirring effect of material, and the practicality is strong, in addition through preventing the cooperation of deposit structure and stirring paddle leaf and stirring vane, can make the stirring abundant, stirring effect is good, also can prevent the material deposit.

Description

Concrete early strength agent raw material stirring device

Technical Field

The utility model belongs to the technical field of the relevant equipment technique of concrete additive preparation and specifically relates to a concrete early strength agent raw material mixing device.

Background

The concrete early strength agent is one of concrete additives, can promote the further hydration reaction of cement cementing materials, is beneficial to the improvement of the early strength of concrete, has no adverse effect on the durability of the concrete, and has very important significance on the high-efficiency production of precast components of concrete product enterprises, the reduction of the production cost and the improvement of the product quality.

The concrete early strength agent is generally prepared by a solid phase method and a molten salt method, the solid phase method has high calcination temperature, and the powder is easy to agglomerate, however, the molten salt method not only can reduce the calcination temperature, but also has good uniformity of the prepared powder, and is beneficial to improving the early strength effect of the concrete. The preparation process by adopting a molten salt method generally comprises the following steps: mixing the raw materials, adding absolute ethyl alcohol, reacting → sieving → drying → dry pressing molding → calcining → crushing → grinding to obtain the finished product.

In the process of raw material reaction, materials with specific gravity are easy to sink due to different specific gravity of each raw material, and are deposited at the bottom of the stirring barrel, so that incomplete reaction is caused. In addition, most of the raw materials are powder materials (such as micro silicon powder, fluorite powder, caO, al2O3 powder and the like), because the powder materials are easy to agglomerate to form self-absorption clusters, and some powder materials such as CaO have hygroscopicity and are easy to agglomerate, if the raw materials with the powder clusters are directly added into a barrel, the powder clusters are easy to react insufficiently, and the subsequent process is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the defect that above-mentioned prior art exists with not enough, provide a prevent material deposit, guarantee the early strong agent raw material mixing device of concrete of reaction effect.

In order to achieve the above purpose, the utility model provides a following technical scheme: a concrete early strength agent raw material stirring device comprises a stirring barrel and a stirring shaft arranged in the stirring barrel, wherein a barrel cover is arranged at an opening at the top of the stirring barrel, a motor and a feeding pipe are arranged on the barrel cover, and an output shaft of the motor is connected with the stirring shaft to drive the stirring shaft to rotate; the stirring paddle is U-shaped, and a connecting plate is arranged between the stirring paddle and the stirring shaft.

Furthermore, an outward convex strip which bulges outwards is arranged on the outer side surface of the stirring paddle blade, an inward convex strip which bulges inwards is arranged on the inner side surface of the stirring paddle blade, and the inward convex strip and the outward convex strip extend from one end to the other end of the stirring paddle blade.

Further, the side surface of the outer convex strip is in contact with the inner surface of the wall of the stirring barrel.

Furthermore, the anti-deposition structure comprises an arc-shaped bottom surface arranged at the bottom of the stirring barrel, and the arc-shaped bottom surface is of a structure with two high sides and a low middle part.

Furthermore, the bottom of the stirring paddle is an arc-shaped surface with a lower middle and two higher sides.

As a parallel technical scheme for preventing deposition, the deposition prevention structure comprises two stirring plates with a certain spiral angle, the stirring plates are obliquely arranged at the joint of the barrel bottom and the barrel wall of the stirring barrel, and the two stirring plates are fixed on the edge of the bottom of the stirring blade.

Further, the scattering structure comprises a plurality of material baffle plates, the material baffle plates are downwards inclined to be arranged on the inner wall of the feeding pipe, and the material baffle plates are arranged in a staggered mode.

Further, each striker plate extends towards the axis direction of the feeding pipe and exceeds the axis of the feeding pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses according to the characteristic of the early strength agent raw materials of concrete (some raw materialss wet into a group easily, still some metal salt powder are easy from inhaling into a group) set up in the inlet pipe and break up the structure, can break up the material of reuniting, improve the stirring effect of material, need not use other equipment in addition to break up far away the material, also need not consume energy, the practicality is strong, and simple structure, easy to carry out, use and preparation low cost. In addition, the anti-deposition structure is matched with the stirring blades and the stirring vanes, so that the stirring is sufficient, the stirring effect is good, the material with high specific gravity can be prevented from being deposited, and the reaction sufficiency is improved;

2. the scattering structure of the utility model is the striker plate which is arranged in the feed pipe in a staggered way, the structural design is ingenious and simple, the manufacture is convenient, and the practicability is strong;

3. the utility model discloses a stirring paddle leaf is the U-shaped, can fully stir agitator tank bottom, and set up interior sand grip on it, can play the effect of surging the material, makes the material "roll" from top to bottom always, delays the material falling speed that the proportion is big, and stirring effect is good, improves the reaction sufficiency, and the stirring vane of stirring paddle leaf top is for paddle and the peaceful paddle leaf that slopes down in proper order, and both cooperate with U-shaped stirring paddle leaf, not only stirring effect is good, can also play the effect of preventing the deposit;

4. the utility model discloses be fixed with the stirring board of slope bottom the U-shaped stirring paddle leaf, can be with making the junction of liquid flow direction agitator lateral wall bottom and bottom surface, play the effect of erodeing to its purpose of preventing deposit has been realized.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment 1 of a concrete early strength admixture raw material stirring device of the present invention;

fig. 2 is a schematic structural diagram of embodiment 2 of the concrete early strength agent raw material stirring device of the present invention.

In the figure: 1. the stirring barrel comprises a stirring barrel body, 2 parts of a stirring shaft, 3 parts of a barrel cover, 4 parts of a motor, 5 parts of a discharge pipe, 6 parts of a scattering structure, 601 parts of a baffle plate, 7 parts of an anti-deposition structure, 701 parts of a circular arc-shaped bottom surface of the stirring barrel body, 702 parts of the stirring plate, 8 parts of a stirring blade, 9 parts of a stirring blade, 10 parts of a connecting plate, 11 parts of an inner convex strip, 12 parts of an outer convex strip.

Detailed Description

The technical solution of the present invention will be further specifically described with reference to fig. 1 and 2.

Example 1: as shown in fig. 1, the concrete early strength agent raw material stirring device comprises a stirring barrel 1 and a stirring shaft 2 arranged in the stirring barrel 1, a barrel cover 3 is arranged at the opening at the top of the stirring barrel 1, a motor 4 and an inlet pipe 5 are arranged on the barrel cover 3, the inlet pipe 5 is communicated with the inner cavity of the stirring barrel 1, the output shaft of the stirring motor 4 is connected with the top end of the stirring shaft 2 through a coupler, the stirring shaft 2 is driven to rotate, a through hole is formed in the center of the barrel cover 2, the barrel cover 3 extends out of the top end of the stirring shaft 2 through the through hole, and a bearing is installed in the internal medicine of the through hole, so that the rotation of the stirring shaft 2 is facilitated. Be provided with the structure 6 of breaing up that is used for breaing up the material in inlet pipe 5, be provided with the anti-deposition structure 7 that prevents the material deposit in the bottom of agitator 1, be provided with stirring paddle 8 in the bottom of (mixing) shaft 2, be provided with a plurality of stirring vane 9 in this (mixing) shaft 2 top that is located stirring paddle 8.

The scattering structure 6 of this embodiment includes striker plate 601, a plurality of striker plate 601 downward sloping sets up on the inner wall of inlet pipe 5, and a plurality of striker plate 601 staggered arrangement, every striker plate 601 all extends towards 5 axis directions of inlet pipe, and all exceed the axis of this inlet pipe 601, during the use, the material falls on striker plate 601 in proper order, under a plurality of striking effects of a plurality of striker plates 601, break up the material of reunion, thereby avoid too much reunion material to get into agitator 1 in, influence the sufficiency of reaction, moreover, the steam generator is simple in structure, need not additionally increase other energy consumptions, just can break up the material of reunion, therefore, the clothes generator is strong in practicability. In other embodiments, a plurality of rotatable blades driven by a motor can be arranged in the feeding pipe 5, and the agglomerated materials are scattered by the blades to replace the material baffle 601.

The stirring paddle blade 8 of this embodiment is the U-shaped, is provided with connecting plate 10 between this stirring paddle blade 8 and (mixing) shaft 2, and the platelike structure of connecting plate for having certain helical angle, so design had both improved stirring paddle blade 8's intensity, had improved its stirring ability again, can also play the effect of vortex simultaneously, reduces the heavy material sunken speed of ratio, makes the material reaction more thorough. Stirring vane 9 is divided into about two sets ofly, it is the oblique oar formula stirring vane of downward sloping to go up group stirring vane, downward oblique oar formula stirring vane produces the axial force downwards, prevent that powder material from getting into agitator 1 from the top, gather in the top, flat oar formula stirring vane produces the radial force, play the effect of stirring, two sets of stirring vane 9's cooperation can make the material mix more even, make the reaction abundant, and two sets of stirring vane 9 and the U-shaped stirring paddle leaf 8 cooperation that is located the (mixing) shaft bottom, can guarantee the material stirring, when the abundant reaction, the material sinking speed that proportion is big has also been delayed, make the stirring reaction abundant.

In this embodiment, an outer convex strip 11 protruding outward is arranged on the outer side surface of the stirring paddle blade 8, an inner convex strip 12 protruding inward is arranged on the inner side surface of the stirring paddle blade 8, the inner convex strip 11 and the outer convex strip 12 extend from one end of the stirring paddle blade 8 to the other end, the inner convex strip 12 can improve the strength of the stirring paddle blade 8 and improve the durability of the stirring paddle blade, and the inner convex strip 11 plays a role in agitating materials and delays the sinking speed of the materials with high specific gravity. The inner convex strips 11 and the stirring paddle 8 are of an integral structure, such as being integrally formed by adopting a metal casting technology. Outer sand grip 12 can with stirring paddle 8, also can be for the hardness to be less than the material of metal and make, like rubber or engineering plastics, when adopting rubber, has seted up the mounting groove at stirring paddle 8's lateral surface, and outer sand grip 12 is installed in the mounting groove, in order to scrape the material on 1 bottom lateral wall of agitator and the bottom surface, prevents that its long-time adhesion from influencing the reaction on the bucket wall, and outer sand grip 12 contacts with the bucket wall internal surface of agitator.

The anti-deposition 7 structure of this embodiment is including setting up the arc bottom surface 701 in the agitator bottom, and arc bottom surface 701 is the structure that both sides are high, and is low in the middle of, and at this moment, stirring paddle 8's bottom shape is the high arcwall face in the middle of low both sides, so design, and both can cooperate better, do not keep the dead angle, prevent effectively that the material from deposiing on the bottom surface of agitator 1.

Example 2: referring to fig. 2, the structure of this embodiment is substantially the same as that of embodiment 1, and the anti-deposition structure adopted by the two is different, the anti-deposition structure 7 of this embodiment includes two stirring plates 702 with a certain spiral angle, the stirring plates 702 are disposed in an inclined manner toward the joint between the bottom of the stirring barrel 1 and the barrel wall, the two stirring plates are fixed at the bottom edge of the stirring blade 8, and the width of the stirring plates 702 is gradually increased from top to bottom. Stirring paddle 8 is the high arc in middle low both sides, and the setting of connecting plate 10 slope plays the effect of vortex, and the effect of swashing can be played to bellied interior convex strip 11 that makes progress, and the cooperation of connecting plate 10, interior convex strip 11 and stirring paddle 8 that the slope set up plays the effect of "tumbling" of accelerating the material to delay the material that proportion is big and sink. When the stirring paddle blade 8 stirs, under the effect of stirring board 702, liquid flows to the bottom surface and the bottom side wall of the stirring barrel 1, and the effect of scouring is played, thereby realizing the purpose of preventing deposition.

The utility model discloses according to the characteristic of the early strength agent raw materials of concrete (some raw materialss wet into a group easily, still some metal salt powder are easy from inhaling into a group), set up in the inlet pipe and break up the structure, can break up the material of reunion, improve the stirring effect of material, make its reaction abundant, need not use other equipment in addition to break up the material, also need not consume energy, the practicality is strong, and simple structure, easy to carry out, use and preparation low cost. In addition, through the cooperation of anti-deposition structure and stirring paddle leaf and stirring vane, can make the stirring abundant in addition, stirring effect is good, also can prevent the material deposit that proportion is big, improves the sufficiency of reaction.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A concrete early strength agent raw material stirring device comprises a stirring barrel and a stirring shaft arranged in the stirring barrel, wherein a barrel cover is arranged at an opening at the top of the stirring barrel, a motor and a feeding pipe are arranged on the barrel cover, and an output shaft of the motor is connected with the stirring shaft to drive the stirring shaft to rotate; the stirring paddle is U-shaped, and a connecting plate is arranged between the stirring paddle and the stirring shaft.

2. The concrete early strength agent raw material stirring device according to claim 1, wherein an outward-bulging outward protrusion is provided on an outer side surface of the stirring blade, an inward-bulging inward protrusion is provided on an inner side surface thereof, and both the inward protrusion and the outward protrusion extend from one end to the other end of the stirring blade.

3. The concrete early strength agent raw material stirring device of claim 2, wherein the side surface of the external convex strip is in contact with the inner surface of the barrel wall of the stirring barrel.

4. The concrete early strength agent raw material stirring device of claim 1, wherein the anti-deposition structure comprises a circular arc-shaped bottom surface arranged at the bottom of the stirring barrel, and the circular arc-shaped bottom surface is a structure with two high sides and a low middle part.

5. The concrete early strength agent raw material stirring device of claim 4, wherein the bottom of the stirring paddle is in the shape of an arc with a lower middle part and two higher sides.

6. The concrete early strength agent raw material stirring device of claim 1, wherein the anti-deposition structure comprises two stirring plates with a certain spiral angle, the stirring plates are obliquely arranged towards the joint of the bottom and the wall of the stirring barrel, and the two stirring plates are fixed on the bottom edge of the stirring blade.

7. The concrete early strength agent raw material stirring device of claim 4 or 6, wherein the scattering structure comprises a plurality of striker plates, the striker plates are obliquely downwards arranged on the inner wall of the feeding pipe, and the striker plates are arranged in a staggered manner.

8. The concrete early strength agent raw material stirring device of claim 7, wherein each striker plate extends towards the axis direction of the feeding pipe and exceeds the axis of the feeding pipe.

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