CN114534670A

CN114534670A - Acrylic resin production stirred tank

Info

Publication number: CN114534670A
Application number: CN202210050551.3A
Authority: CN
Inventors: 游东升; 赵军
Original assignee: Guangdong Easource New Material Co ltd
Current assignee: Guangdong Easource New Material Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-05-27

Abstract

The invention provides a stirring kettle for acrylic resin production, which comprises a shell, a heat exchange device and a stirring device, wherein the shell is provided with a heat exchange device; the heat exchange device is sleeved on the outer surface of the shell; the upper surface of the shell is provided with a feeding hole, and the lower surface of the shell is provided with a discharging hole; agitating unit includes the motor and is used for carrying out the stirring module that stirs to acrylic resin, and the motor setting is connected with the one end of stirring module at the upper surface of casing, the power take off end of motor, and the other end of stirring module stretches into in the casing. In injecting into the casing with acrylic resin from the feed inlet, starter motor, motor work drive stirring module stirs the acrylic resin in the casing, through setting up heat transfer device, guarantees the homogeneity of temperature in the casing, guarantees that acrylic resin reaches operation requirement.

Description

Acrylic resin production stirred tank

Technical Field

The invention relates to the technical field of acrylic resin production equipment, in particular to an acrylic resin production stirring kettle.

Background

The excellent universality of the acrylic resin enables the acrylic resin to be rapidly developed into a second-order resin with the yield second to that of alkyd resin paint, wherein the water-based acrylic resin paint is pollution-free paint with the fastest development and most varieties in water-based paint, and the acrylic emulsion is mainly used as a base material of emulsion paint, plays an important role in the building paint market and is continuously expanded at present; in addition, in recent years, people pay more attention to the development and application of the acrylic resin aqueous dispersion, and the application of the acrylic resin aqueous dispersion in the fields of industrial coatings and civil coatings is continuously expanded. The production process flow of the acrylic resin is as follows: the xylene, butyl acetate and solvent are firstly put into reaction and stirring, then acrylic monomer, acrylic acid, butyl acrylate, styrene, methyl methacrylate and the like are dripped at a certain speed, and the mixture is filtered and packaged after heat preservation and curing. The stirring system selected for use in the reaction stirring kettle is generally combined by an anchor frame type and a straight-line pulp, and the acrylic resin has high viscosity, so that the acrylic resin cannot be peeled off from the kettle wall by conventional dispersion, and the heat of the steam coil cannot be further transferred to the acrylic resin in the kettle, so that the temperature difference in the kettle is large, the performance of the acrylic resin is directly influenced, and the actual practical requirement is not met.

Disclosure of Invention

Based on the above, in order to solve the problem that the stirring system of the existing reaction stirring kettle cannot well stir the acrylic resin, the invention provides a stirring kettle for producing the acrylic resin, which has the following specific technical scheme:

an acrylic resin production stirring kettle comprises a shell, a heat exchange device and a stirring device; the heat exchange device is sleeved on the outer surface of the shell; the upper surface of the shell is provided with a feeding hole, and the lower surface of the shell is provided with a discharging hole; agitating unit includes the motor and is used for carrying out the stirring module that stirs to acrylic resin, the motor sets up the upper surface of casing, the power take off end of motor with the one end of stirring module is connected, the other end of stirring module stretches into in the casing.

Compared with the prior art, the acrylic resin production stirred tank that above-mentioned technical scheme provided, its beneficial effect includes: in injecting into the casing with acrylic resin from the feed inlet, starter motor, motor work drive stirring module stirs the acrylic resin in the casing, through setting up heat transfer device, guarantees the homogeneity of temperature in the casing, guarantees that acrylic resin reaches operation requirement.

Further, the stirring module comprises a rotating shaft, a first stirring element, a second stirring element, a third stirring element and a fourth stirring element; the one end of axis of rotation with the power take off end of motor is connected, the other end orientation of axis of rotation the lower surface of casing, first stirring component the second stirring component the third stirring component with the fourth stirring component sets gradually on the length direction of axis of rotation, the fourth stirring component sets up and is being close to the lower surface of casing.

Further, the first stirring element comprises a first stirring blade and a plurality of scraping teeth, the first stirring blade is connected with the rotating shaft in a rotating mode, and the scraping teeth are connected with the first stirring blade.

Further, a plurality of the scraping teeth are arranged on the first stirring blade in a comb shape.

Furthermore, the length of the scraping teeth is 10 cm-20 cm, and the distance between every two adjacent scraping teeth is 8 cm-16 cm.

Further, the second stirring element comprises a second stirring blade, the second stirring blade is axially and fixedly connected with the rotating shaft, blades are arranged on two sides of the second stirring blade, a first convex column is arranged below the second stirring blade, and a second convex column is arranged above the second stirring blade.

Further, the third stirring element is a rotating blade, and the rotating blade is axially and fixedly connected with the rotating shaft.

Further, the fourth stirring element comprises a third stirring blade, a scraper and a spur; the third stirring blade is axially connected with the rotating shaft, the scraper blade is connected with the third stirring blade, and the spurs are arranged on the outer surface of the scraper blade.

Further, the outer contour of the scraper is arranged to be in a circular arc structure.

Furthermore, the spurs and the scrapers are arranged in an integrated structure.

Drawings

The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

FIG. 1 is a schematic view of a stirred tank for acrylic resin production according to an embodiment of the present invention;

FIG. 2 is a second schematic structural view of a stirred tank for acrylic resin production according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a stirring module of a stirring tank for acrylic resin production according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a first stirring element of a stirring tank for producing acrylic resin according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a fourth stirring element of an acrylic resin production stirring tank according to an embodiment of the present invention.

Description of reference numerals:

10-a housing; 11-a feed inlet; 20-heat exchange means; 30-a stirring device; 31-a motor; 41-a rotating shaft; 42-a first stirring element; 43-a first stirring blade; 44-scraping teeth; 45-a second stirring element; 46-a second stirring blade; 47-a blade; 48-a first post; 49-second boss; 50-a third stirring element; 51-a fourth stirring element; 52-third stirring blade; 53-a scraper; 54-stabbing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The terms "first" and "second" used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.

As shown in fig. 1 to 5, an acrylic resin production stirring tank in an embodiment of the present invention includes a shell 10, a heat exchange device 20, and a stirring device 30; the heat exchange device 20 is sleeved on the outer surface of the shell 10; a feed inlet 11 is formed in the upper surface of the shell 10, and a discharge outlet is formed in the lower surface of the shell 10; agitating unit 30 includes motor 31 and the stirring module that is used for stirring acrylic resin, motor 31 sets up the upper surface of casing 10, motor 31's power take off end with the one end of stirring module is connected, the other end of stirring module stretches into in the casing 10.

According to the acrylic resin production stirring kettle, acrylic resin is injected into the shell 10 from the feed inlet 11, the motor 31 is started, the motor 31 works to drive the stirring module to stir the acrylic resin in the shell 10, and the uniformity of the temperature in the shell 10 is ensured by arranging the heat exchange device 20, so that the acrylic resin is ensured to meet the use requirement.

Furthermore, the outer contour of the top and the outer contour of the bottom of the housing 10 are both arc-shaped, the middle of the housing 10 is hollow and cylindrical, the inner wall of the housing 10 is provided with a polishing layer, and the adhesion of acrylic resin can be effectively reduced by the polishing layer. The top of the shell 10 is further provided with a sampling port, a window, a safety bursting port, a control valve port required by production and the like, wherein the sampling port is used for sampling, so that the viscosity and other properties of the acrylic resin can be conveniently analyzed.

Further, heat transfer device 20 encircles and sets up in the casing 10 outsidely, and heat transfer device 20 includes first heat transfer coil and the second heat transfer coil of alternate segregation, and first heat transfer coil and second heat transfer coil encircle respectively and set up in the casing 10 outsidely, according to production needs, can let in heating or refrigerated medium in first heat transfer coil and second heat transfer coil.

In one of the embodiments, the stirring module comprises a rotating shaft 41, a first stirring element 42, a second stirring element 45, a third stirring element 50 and a fourth stirring element 51; one end of the rotating shaft 41 is connected to a power output end of the motor 31, the other end of the rotating shaft 41 faces the lower surface of the housing 10, the first stirring element 42, the second stirring element 45, the third stirring element 50 and the fourth stirring element 51 are sequentially arranged in the length direction of the rotating shaft 41, and the fourth stirring element 51 is arranged near the lower surface of the housing 10. Further, the motor 31 is connected to the rotating shaft 41 through a coupling, and the rotating shaft 41 is driven to rotate by the motor 31, so as to drive the first stirring element 42, the second stirring element 45, the third stirring element 50 and the fourth stirring element 51 to rotate, thereby stirring the acrylic resin inside the housing 10.

In one embodiment, the first stirring element 42 includes a first stirring blade 43 and a plurality of scraping teeth 44, the first stirring blade 43 is rotatably connected with the rotating shaft 41, and the scraping teeth 44 are connected with the first stirring blade 43.

In one embodiment, the scraping teeth 44 are arranged in a comb shape on the first stirring blade 43.

In one embodiment, the length of the scraping teeth 44 is 10cm to 20cm, and the distance between adjacent scraping teeth 44 is 8cm to 16 cm. Further, the scraping teeth 44 can break off bubbles generated in the stirring process of the acrylic resin, so that the acrylic resin after stirring is more uniform, and the acrylic resin stirring device has good practicability.

In one embodiment, the second stirring element 45 includes a second stirring blade 46, the second stirring blade 46 is axially connected and fixed with the rotating shaft 41, blades 47 are disposed on two sides of the second stirring blade 46, a first convex pillar 48 is disposed below the second stirring blade 46, and a second convex pillar 49 is disposed above the second stirring blade 46. First projection 48 and first stirring vane 43 weld, and first stirring vane 43 plays the effect of stirring, is provided with blade 47 through the surface at first stirring vane 43, and blade 47 can play the shearing action to the acrylic resin of stirring, prevents that acrylic resin from reducing and the viscosity increases and then leading to the problem that acrylic resin is difficult to stir at stirring in-process moisture.

In one embodiment, the third stirring element 50 is a rotating blade, which is axially fixedly connected to the rotating shaft 41.

In one embodiment, the fourth stirring element 51 comprises a third stirring blade 52, a scraper 53 and a spur 54; the third agitating blade 52 is axially connected to the rotating shaft 41, the scraper 53 is connected to the third agitating blade 52, and the bur 54 is provided on the outer surface of the scraper 53.

In one embodiment, the outer contour of the scraper 53 is configured as a circular arc. Further, the third stirring blade 52 is provided in a U-shaped configuration, and the acrylic resin at the bottom of the housing 10 is scraped by the scraper 53, thereby preventing the problem of the deposition of the high viscosity acrylic resin and the insufficient reaction at the bottom of the housing 10.

In one embodiment, the spurs 54 are provided as a unitary structure with the flight 53. By providing the burs 54, the burs 54 can entrain the high viscosity acrylic resin, allowing for more thorough mixing.

In summary, the following steps: in injecting casing 10 with acrylic resin from feed inlet 11, motor 31 is started, and the work of motor 31 drives stirring module and stirs the acrylic resin in casing 10, through setting up heat transfer device 20, guarantees the homogeneity of temperature in casing 10, guarantees that acrylic resin reaches operation requirement.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The stirring kettle for acrylic resin production is characterized by comprising a shell, a heat exchange device and a stirring device; the heat exchange device is sleeved on the outer surface of the shell; the upper surface of the shell is provided with a feeding hole, and the lower surface of the shell is provided with a discharging hole; agitating unit includes the motor and is used for carrying out the stirring module that stirs to acrylic resin, the motor sets up the upper surface of casing, the power take off end of motor with the one end of stirring module is connected, the other end of stirring module stretches into in the casing.

2. The acrylic production stirred tank of claim 1, wherein the stirring module comprises a rotating shaft, a first stirring element, a second stirring element, a third stirring element and a fourth stirring element; the one end of axis of rotation with the power take off end of motor is connected, the other end orientation of axis of rotation the lower surface of casing, first stirring component second stirring component third stirring component with fourth stirring component sets gradually on the length direction of axis of rotation, fourth stirring component sets up and is being close to the lower surface of casing.

3. The acrylic resin production stirred tank of claim 2, wherein the first stirring element comprises a first stirring blade and a plurality of scraping teeth, the first stirring blade is rotatably connected with the rotating shaft, and the scraping teeth are connected with the first stirring blade.

4. The acrylic resin production stirred tank of claim 3, wherein a plurality of the scraping teeth are arranged in a comb shape on the first stirring blade.

5. The acrylic resin production stirring kettle according to claim 4, wherein the length of the scraping teeth is 10 cm-20 cm, and the distance between adjacent scraping teeth is 8 cm-16 cm.

6. The acrylic resin production stirring tank as recited in claim 2, wherein the second stirring element comprises a second stirring blade, the second stirring blade is axially connected and fixed with the rotating shaft, blades are disposed on two sides of the second stirring blade, a first convex column is disposed below the second stirring blade, and a second convex column is disposed above the second stirring blade.

7. The acrylic production stirred tank of claim 2, wherein the third stirring element is a rotating blade, and the rotating blade is axially and fixedly connected with the rotating shaft.

8. The acrylic resin production stirred tank of claim 2, wherein the fourth stirring element comprises a third stirring blade, a scraper and a spur; the third stirring blade is axially connected with the rotating shaft, the scraper blade is connected with the third stirring blade, and the spurs are arranged on the outer surface of the scraper blade.

9. The acrylic resin production stirred tank of claim 8, wherein the outer contour of the scraper is configured into a circular arc structure.

10. The acrylic production stirred tank of claim 8, wherein the spurs are integrally formed with the scraper.