CN215612211U - Production of acrylic ester emulsion is with grinding reation kettle - Google Patents

Abstract

The utility model relates to an acrylic ester emulsion production is with grinding reation kettle belongs to the technical field of equipment for acrylic acid emulsion production, and it includes reation kettle body and support frame, the reation kettle body is located the support frame, the top of reation kettle body is equipped with the feeder hopper, the bottom of reation kettle body is equipped with out the hopper, be equipped with driving motor on the reation kettle body, driving motor's output is equipped with the drive shaft, the vertical setting of drive shaft, this internal one-level grinding mechanism that is equipped with of reation kettle, one-level grinding mechanism and drive shaft connection, driving motor's one end is kept away from to the drive shaft is worn out the reation kettle body and is rotated with the reation kettle body and be connected, the one end that driving motor was kept away from to the drive shaft is equipped with second grade grinding mechanism, second grade grinding mechanism locates out in the hopper. The application has the effect of improving the sufficient grinding effect on the slurry.

Description

Production of acrylic ester emulsion is with grinding reation kettle

Technical Field

The application relates to the field of equipment for producing acrylic emulsion, in particular to a grinding reaction kettle for producing acrylic emulsion.

Background

The acrylic emulsion is milky white or nearly transparent viscous liquid. The acrylic emulsion is an emulsion prepared by copolymerizing pure acrylic monomers, is an emulsion with small particle size, multiple purposes and outstanding performance, is suitable for various building material paint formulas, has outstanding water resistance and weather resistance, and particularly has excellent performance in high-gloss and semi-gloss paint.

When the acrylic emulsion is produced, various raw materials required for emulsion production are firstly stirred and dispersed to prepare slurry, and then the slurry is ground by a grinding machine to finally prepare the acrylic emulsion. Wherein the grinding of the mill serves to disaggregate aggregates in the slurry into smaller aggregates or individual particles by mechanical force.

In the related art, the grinding machine for producing the acrylic emulsion adopts a three-roller grinding machine, the structure is simple, but the grinding precision is difficult to control, so that the grinding is insufficient.

SUMMERY OF THE UTILITY MODEL

In order to improve the grinding sufficiency of particles in acrylic emulsion, the application provides a grinding reaction kettle for producing acrylic emulsion.

The application provides a production of acrylic ester emulsion is with grinding reation kettle adopts following technical scheme:

the utility model provides an acrylic ester emulsion production is with grinding reation kettle, includes reation kettle body and support frame, the reation kettle body is located the support frame, the top of reation kettle body is equipped with the feeder hopper, the bottom of reation kettle body is equipped with out the hopper, be equipped with driving motor on the reation kettle body, driving motor's output is equipped with the drive shaft, the vertical setting of drive shaft, this internal one-level grinding mechanism that is equipped with of reation kettle, one-level grinding mechanism and drive shaft connection, driving motor's one end is kept away from to the drive shaft is worn out the reation kettle body and is connected with the rotation of reation kettle body, the one end that driving motor was kept away from to the drive shaft is equipped with second grade grinding mechanism, second grade grinding mechanism locates out in the hopper.

Through adopting above-mentioned technical scheme, when grinding the used ground paste of acrylic ester emulsion production, need pour the ground paste into the reation kettle body from the feeder hopper in, one-level grinding mechanism in the reation kettle body grinds the ground paste for the first time, decomposes the polymer in the ground paste into the polymer that the particle diameter is littleer, when the bottom of reation kettle body was reachd to the ground paste, second grade grinding mechanism ground the ground paste for the second time, further decomposes the polymer in the ground paste, the ground paste after accomplishing the second time and flows out from a hopper. Through the arrangement of the first-stage grinding mechanism and the second-stage grinding mechanism, the slurry is ground more fully.

Optionally, the reation kettle body includes grinding vessel and churn, the churn is located on the support frame, the churn is located on the churn, one-level grinding mechanism includes the corase grind subassembly and grinds the subassembly carefully, corase grind subassembly and grind the subassembly finely locate in the grinding vessel and with the actuating shaft be connected.

By adopting the technical scheme, when slurry enters the grinding cylinder, the aggregate in the slurry is gradually decomposed into the aggregate with smaller particle size through the coarse grinding of the coarse grinding assembly and the fine grinding of the fine grinding assembly, so that the purpose of fully grinding the slurry is realized.

Optionally, the corase grind subassembly includes dull polish dish and first dull polish board, the fixed cover of dull polish dish is located on the lateral wall of drive shaft, first dull polish board is fixed in on the inner wall of grinding vessel, be formed with first grinding region between dull polish dish and the first dull polish board.

Through adopting above-mentioned technical scheme, when driving motor started, drive the drive shaft and rotate, the drive shaft drives the dull polish dish and rotates to make the ground paste that gets into first grinding zone receive the extrusion grinding of dull polish dish and first dull polish board, and then make the polymer in the ground paste decompose the less polymer of particle size, simple structure, the operation of being convenient for.

Optionally, the fine grinding assembly comprises a spiral grinding piece and a second grinding plate, the spiral grinding piece is fixedly sleeved on the side wall of the driving shaft, the second grinding plate is fixed on the inner wall of the grinding cylinder, a second grinding area is formed between the spiral grinding piece and the second grinding plate, and the gap of the second grinding area is smaller than that of the first grinding area.

Through adopting above-mentioned technical scheme, when driving motor started, drive the drive shaft and rotate, the drive shaft drives the rotation of spiral dull polish piece to throw the ground paste into the second grinding region, the ground paste that gets into the second grinding region receives the extrusion grinding of spiral dull polish piece and second dull polish board, further decomposes into the polymer that the particle diameter is littleer with the polymer in the ground paste, has the effect that improves the ground paste grinding effect.

Optionally, the second-stage grinding mechanism includes a grinding ball and a grinding shell, the grinding ball is disposed at one end of the driving shaft away from the driving motor, the grinding shell is disposed at the bottom of the mixing drum, the grinding ball is disposed in the grinding shell, a third grinding area is formed between an outer wall of the grinding ball and an inner wall of the grinding shell, and a discharge hole is formed in the grinding shell.

Through adopting above-mentioned technical scheme, when driving motor rotated, drive the drive shaft and rotate, the drive shaft drives the grinding ball and rotates, and the ground paste flows downwards from the churn and enters into the third grinding region, extrudees the grinding to the ground paste through the rotation of grinding ball for polymer in the ground paste further decomposes into single granule, thereby makes the ground paste grind more abundant and even, has improved the grinding effect of ground paste.

Optionally, be equipped with rabbling mechanism in the churn, rabbling mechanism includes puddler and teeter ball, the one end of puddler rotates with the outer wall of drive shaft to be connected, the other end and the outer wall fixed connection of teeter ball.

Through adopting above-mentioned technical scheme, when driving motor rotated, drive the drive shaft and rotate, the drive shaft drives the puddler and rotates, and the puddler drives the stirring ball and rotates to stir the mixture to the ground paste, improved the even degree of ground paste.

Optionally, an elastic part is arranged on the outer wall of the driving shaft, one end of the elastic part, which is far away from the driving shaft, is fixedly connected with the stirring rod, and the elastic part is located below the stirring rod.

Through adopting above-mentioned technical scheme, when the drive shaft drove the puddler and rotates, under the effect of centrifugal force, can be so that the puddler swings in the churn for the ground paste that enters into in the churn stirs more fully.

Optionally, the outer wall of the stirring ball is provided with a grinding bulge.

By adopting the technical scheme, the grinding effect on the polymer in the slurry can be further improved.

In summary, the present application includes at least one of the following beneficial technical effects:

the slurry is ground more fully by the arrangement of the primary grinding mechanism and the secondary grinding mechanism;

through the arrangement of the coarse grinding assembly and the fine grinding assembly, the slurry entering the grinding cylinder is subjected to coarse grinding of the coarse grinding assembly and fine grinding of the fine grinding assembly sequentially, and aggregates in the slurry are gradually decomposed into aggregates with smaller particle sizes, so that the purpose of fully grinding the slurry is achieved;

through the arrangement of the stirring mechanism, ground slurry is uniformly mixed, and the uniformity of the slurry is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a sectional view of a primary grinding mechanism and a stirring mechanism in an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a secondary grinding mechanism embodied in an embodiment of the present application.

Description of reference numerals: 1. a reaction kettle body; 11. a grinding cylinder; 111. a feed hopper; 112. a drive motor; 1121. a drive shaft; 12. a mixing drum; 121. a discharge hopper; 2. a support frame; 3. a primary grinding mechanism; 31. a rough grinding assembly; 311. a sanding disc; 312. a first sanding plate; 313. a first grinding area; 32. finely grinding the assembly; 321. spirally grinding the sand sheet; 322. a second sanding plate; 323. a second grinding area; 4. a stirring mechanism; 41. a stirring rod; 411. an elastic member; 42. stirring balls; 421. grinding the bumps; 5. a secondary grinding mechanism; 51. grinding balls; 52. grinding the shell; 521. a discharge hole; 53. a third polishing area.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses production of acrylic ester emulsion is with grinding reation kettle. Referring to fig. 1 and 2, a grinding reaction kettle for producing acrylate emulsion comprises a reaction kettle body 1 and a support frame 2, wherein the reaction kettle body 1 is fixedly connected to the support frame 2, the reaction kettle body 1 comprises a grinding drum 11 and a stirring drum 12, the grinding drum 11 is communicated with the stirring drum 12, and the grinding drum 11 is fixed on the stirring drum 12. Be equipped with one-level grinding mechanism 3 in grinding vessel 11, be equipped with rabbling mechanism 4 in the churn 12, the top of grinding vessel 11 is fixed with feeder hopper 111, the bottom of churn 12 is equipped with out hopper 121, driving motor 112 is installed on the top of grinding vessel 11, the coaxial drive shaft 1121 that is fixed with of driving motor 112's output, one-level grinding mechanism 3 and rabbling mechanism 4 are connected with drive shaft 1121, the vertical setting of drive shaft 1121 is worn out grinding vessel 11, the one end that driving motor 112 was kept away from to drive shaft 1121 is equipped with second grade grinding mechanism 5, second grade grinding mechanism 5 is located out in hopper 121.

When grinding the used ground paste of acrylic ester emulsion production, at first pour the ground paste into grinding vessel 11 from feeder hopper 111 in, one-level grinding mechanism 3 in the grinding vessel 11 grinds the ground paste for the first time, decompose the polymer in the ground paste into the polymer that the particle diameter is less, then the ground paste falls into churn 12 by gravity, rabbling mechanism 4 in the churn 12 breaks up the mixture to the ground paste, make each raw materials composition misce bene in the ground paste, then ground paste outflow churn 12, second grinding mechanism 5 grinds the ground paste for the second time, further decompose the polymer in the ground paste, the ground paste after accomplishing the second time grinds flows out from play hopper 121.

Referring to fig. 1 and 2, the grinding cylinder 11 is cylindrical, the primary grinding mechanism 3 includes a coarse grinding assembly 31 and a fine grinding assembly 32, the coarse grinding assembly 31 and the fine grinding assembly 32 are connected to the driving shaft 1121, and the coarse grinding assembly 31 is located above the fine grinding assembly 32. The rough grinding assembly 31 includes a grinding disc 311 and a first grinding plate 312, the grinding disc 311 is fixedly sleeved on the side wall of the driving shaft 1121, the first grinding plate 312 is fixedly connected to the inner side wall of the grinding cylinder 11, and a first grinding area 313 is formed between one end of the grinding disc 311 away from the driving shaft 1121 and one end of the first grinding plate 312 away from the inner side wall of the grinding cylinder 11. The first sanding plate 312 is annular and the sanding disc 311 is circular umbrella shaped so that slurry entering the grinding drum 11 flows from the middle to the end of the sanding disc 311 and into the first grinding region 313. When the driving motor 112 rotates, the driving shaft 1121 is driven to rotate, and the driving shaft 1121 drives the sanding disc 311 to rotate, so that the slurry entering the first grinding area 313 is pressed and ground by the sanding disc 311 and the first sanding plate 312, and the aggregates in the slurry are decomposed into aggregates with smaller particle size.

Referring to fig. 2, the fine grinding assembly 32 includes a spiral grinding sheet 321 and a second grinding plate 322, the spiral grinding sheet 321 is fixedly sleeved on the side wall of the driving shaft 1121 and is disposed below the grinding plate 311, the second grinding plate 322 is fixedly connected to the inner side wall of the grinding cylinder 11 and is disposed below the first grinding plate 312, and a second grinding region 323 is formed between one end of the spiral grinding sheet 321, which is far away from the driving shaft 1121, and one end of the second grinding plate 322, which is far away from the inner side wall of the grinding cylinder 11. The second sanding plate 322 has an annular shape, the spiral sanding sheet 321 has a spiral shape, and the gap between the second polishing regions 323 is smaller than the gap between the first polishing regions 313. The slurry is roughly ground through the first grinding area 313, after rough grinding is completed, the slurry falls into the spiral abrasive sheet 321 from the first grinding area 313, when the driving motor 112 rotates, the driving shaft 1121 is driven to rotate, the driving shaft 1121 drives the spiral abrasive sheet 321 to rotate, when the spiral abrasive sheet 321 rotates, the slurry is thrown into the end part of the spiral abrasive sheet 321, the slurry flows into the second grinding area 323 along the end part of the spiral abrasive sheet 321, so that the slurry entering the second grinding area 323 is extruded and ground by the spiral abrasive sheet 321 and the second abrasive plate 322, and the polymer in the slurry is further decomposed into polymer with smaller particle size.

Referring to fig. 1 and 2, the stirring cylinder 12 is a hemispherical shell, the stirring mechanism 4 includes a stirring rod 41 and a stirring ball 42, one end of the stirring rod 41 is rotatably connected to a side wall of the driving shaft 1121, the other end of the stirring rod 41 is fixedly connected to the stirring ball 42, the stirring ball 42 is fixedly connected to a grinding protrusion 421 attached to a spherical surface of the stirring ball 42 on the inner wall of the stirring cylinder 12, and an elastic member 411 is disposed between the side wall of the stirring rod 41 and the side wall of the driving shaft 1121. One end of the elastic element 411 is fixedly connected to the sidewall of the driving shaft 1121, the other end is fixedly connected to the sidewall of the stirring rod 41, and the elastic element 411 is located below the stirring rod 41. When the driving motor 112 rotates, the driving shaft 1121 is driven to rotate, the driving shaft 1121 drives the stirring rod 41 to rotate, and the stirring rod 41 drives the stirring ball 42 to rotate, so that the slurry is stirred and mixed.

Through carrying out rotational speed to driving motor 112 and adjusting, under the effect of centrifugal force, can make puddler 41 swing in churn 12, the concrete expression is: due to the arrangement of the elastic member 411, when the rotation speed of the driving motor 112 is increased, the rotation speed of the driving shaft 1121 is increased, and the rotation amplitude of the stirring rod 41 and the stirring ball 42 is increased; conversely, when the rotation speed of the driving motor 112 decreases, the rotation speed of the driving shaft 1121 decreases, and the rotation amplitude of the stirring rod 41 and the stirring ball 42 decreases accordingly. In this way, the spatial position of the agitating ball 42 in the agitating drum 12 can be changed so that the slurry entering the agitating drum 12 is sufficiently agitated. The polishing protrusions 421 provided on the spherical surface of the stirring ball 42 can further improve the polishing effect on the polymer in the slurry. The number of the stirring rods 41 and the stirring balls 42 is provided with a plurality of stirring rods 41, and the plurality of stirring rods 41 are uniformly arranged along the circumferential direction of the driving shaft 1121, so that the stirring effect on the slurry can be increased on one hand, and the polymer in the slurry can be more sufficiently ground on the other hand.

Referring to fig. 2 and 3, the secondary grinding mechanism 5 includes a grinding ball 51 and a grinding shell 52, the grinding ball 51 is fixedly connected to one end of the driving shaft 1121 far from the driving motor 112, the grinding shell 52 is fixedly connected to the bottom end of the stirring cylinder 12, the grinding shell 52 is communicated with the inside of the stirring cylinder 12, the grinding ball 51 is located in the grinding shell 52, and a third grinding area 53 is formed between the surface of the grinding ball 51 and the inner wall of the grinding shell 52. When the driving shaft 1121 is driven by the rotation of the driving motor 112 to rotate, the driving shaft 1121 drives the grinding balls 51 to rotate, the slurry flows downwards from the stirring cylinder 12 and enters the third grinding area 53, and the slurry is extruded and ground by the rotation of the grinding balls 51, so that the polymer in the slurry is further decomposed into single particles, the slurry is ground more sufficiently and uniformly, and the grinding effect of the slurry is improved. The outer wall of the grinding shell 52 is provided with a discharge hole 521, and the grinding shell 52 is arranged in the discharge hopper 121, so that ground slurry is filtered out from the grinding shell 52 and finally discharged from the discharge hopper 121. When the rotation speed of the driving motor 112 is too fast, the grinding balls 51 rotate fast therewith, and at this time, slurry may splash from the discharge hole 521, and the discharge hopper 121 may block the slurry, so as to facilitate the collection of the slurry.

The implementation principle of the grinding reaction kettle for producing the acrylic ester emulsion is as follows: when the grinding reaction kettle for producing the acrylic ester emulsion is used, the driving motor 112 is started, and the driving shaft 1121 is driven to rotate by the rotation of the driving motor 112, so that the first-stage grinding mechanism 3, the stirring mechanism 4 and the second-stage grinding mechanism 5 start to work. At this time, the slurry is poured from the hopper 111, and the slurry enters the inside of the reaction vessel body 1 and flows downward. First, when entering the grinding cylinder 11, the slurry falls into the first grinding region 313 along the upper surface of the grinding plate 311, and is roughly ground by the rough grinding assembly 31; subsequently, the slurry after rough grinding falls down onto the spiral abrasive sheet 321, and is thrown into the second grinding region 323 along with the rotation of the driving shaft 1121, and the slurry is finely ground by the fine grinding assembly 32; then, the slurry after being finely ground falls into the stirring cylinder 12 from the grinding cylinder 11 under the extrusion action of the spiral grinding sheet 321, the stirring rod 41 and the stirring ball 42 in the stirring cylinder 12 stir the slurry, and the grinding protrusions 421 on the stirring ball 42 further grind the slurry; finally, the slurry flows into the polishing shell 52 from the stirring cylinder 12, the polishing balls 51 polish the slurry finally, and the polished slurry flows out from the discharge hole 521, so that the slurry can be collected at the lower end opening of the discharge hopper 121.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an acrylic ester emulsion production is with grinding reation kettle, includes reation kettle body (1) and support frame, reation kettle body (1) is located support frame (2), the top of reation kettle body (1) is equipped with feeder hopper (111), the bottom of reation kettle body (1) is equipped with out hopper (121), its characterized in that: be equipped with driving motor (112) on reation kettle body (1), the output of driving motor (112) is equipped with drive shaft (1121), drive shaft (1121) vertical setting, be equipped with one-level grinding mechanism (3) in reation kettle body (1), one-level grinding mechanism (3) are connected with drive shaft (1121), the one end that driving motor (112) were kept away from in drive shaft (1121) is worn out reation kettle body (1) and is rotated with reation kettle body (1) and be connected, the one end that driving motor (112) were kept away from in drive shaft (1121) is equipped with second grade grinding mechanism (5), second grade grinding mechanism (5) are located in hopper (121).

2. The grinding reaction kettle for producing the acrylic ester emulsion as claimed in claim 1, wherein: the reaction kettle body (1) comprises a grinding drum (11) and a stirring drum (12), the stirring drum (12) is arranged on the support frame (2), the grinding drum (11) is arranged on the stirring drum (12), the one-level grinding mechanism (3) comprises a coarse grinding assembly (31) and a fine grinding assembly (32), and the coarse grinding assembly (31) and the fine grinding assembly (32) are arranged in the grinding drum (11) and are connected with the drive shaft (1121).

3. The grinding reaction kettle for producing the acrylic ester emulsion as claimed in claim 2, wherein: the rough grinding assembly (31) comprises a grinding disc (311) and a first grinding plate (312), the grinding disc (311) is fixedly sleeved on the side wall of the driving shaft (1121), the first grinding plate (312) is fixed on the inner wall of the grinding cylinder (11), and a first grinding area (313) is formed between the grinding disc (311) and the first grinding plate (312).

4. The grinding reaction kettle for producing the acrylate emulsion as claimed in claim 3, wherein: the fine grinding assembly (32) comprises a spiral grinding sheet (321) and a second grinding plate (322), the spiral grinding sheet (321) is fixedly sleeved on the side wall of the driving shaft (1121), the second grinding plate (322) is fixed on the inner wall of the grinding cylinder (11), a second grinding area (323) is formed on the spiral grinding sheet (321) and the second grinding plate (322), and the gap of the second grinding area (323) is smaller than that of the first grinding area (313).

5. The grinding reaction kettle for producing the acrylic ester emulsion as claimed in claim 2, wherein: the secondary grinding mechanism (5) comprises a grinding ball (51) and a grinding shell (52), the grinding ball (51) is arranged at one end, away from the driving motor (112), of the driving shaft (1121), the grinding shell (52) is arranged at the bottom of the stirring cylinder (12), the grinding ball (51) is arranged in the grinding shell (52), a third grinding area (53) is formed between the outer wall of the grinding ball (51) and the inner wall of the grinding shell (52), and a discharge hole (521) is formed in the grinding shell (52).

6. The grinding reaction kettle for producing the acrylic ester emulsion as claimed in claim 2, wherein: be equipped with rabbling mechanism (4) in churn (12), rabbling mechanism (4) include puddler (41) and stirring ball (42), the outer wall of one end and drive shaft (1121) of puddler (41) rotates to be connected, the other end and the outer wall fixed connection of stirring ball (42).

7. The grinding reaction kettle for producing the acrylate emulsion as claimed in claim 6, wherein: an elastic piece (411) is arranged on the outer wall of the driving shaft (1121), one end, away from the driving shaft (1121), of the elastic piece (411) is fixedly connected with the stirring rod (41), and the elastic piece (411) is located below the stirring rod (41).

8. The grinding reaction kettle for producing the acrylate emulsion as claimed in claim 6, wherein: and a grinding bulge (421) is arranged on the outer wall of the stirring ball (42).

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