CN115501796A - Preparation method and device of alcohol-resistant aqueous acrylic emulsion - Google Patents
Preparation method and device of alcohol-resistant aqueous acrylic emulsion Download PDFInfo
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- CN115501796A CN115501796A CN202211235686.3A CN202211235686A CN115501796A CN 115501796 A CN115501796 A CN 115501796A CN 202211235686 A CN202211235686 A CN 202211235686A CN 115501796 A CN115501796 A CN 115501796A
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- acrylic emulsion
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- 239000000839 emulsion Substances 0.000 title claims abstract description 50
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 86
- 239000002994 raw material Substances 0.000 claims abstract description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000003860 storage Methods 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 238000011049 filling Methods 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 15
- 229920000178 Acrylic resin Polymers 0.000 claims description 12
- 239000004925 Acrylic resin Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 7
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 6
- 239000003995 emulsifying agent Substances 0.000 claims description 6
- 229920000058 polyacrylate Polymers 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 239000002518 antifoaming agent Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 244000309464 bull Species 0.000 description 4
- -1 acrylic ester Chemical class 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 239000013530 defoamer Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/81—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
- B01F33/813—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles mixing simultaneously in two or more mixing receptacles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/96—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with openwork frames or cages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
- C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
Abstract
The invention relates to the technical field of acrylic emulsion preparation, and particularly discloses a preparation method and a device of alcohol-resistant aqueous acrylic emulsion, wherein the device comprises a fixed rack, a rotating rack, a plurality of stirring kettles and a plurality of raw material storage barrels, the fixed rack comprises a bottom plate and a driving case, the bottom plate is fixedly connected with a stand column, the top end of the stand column is fixedly connected with a circular top plate, the raw material storage barrel is arranged on the upper surface of the circular top plate, the rotating rack comprises a hollow rotating rod sleeved on the periphery of the stand column, the circular rotating plate is provided with kettle body mounting holes, and the stirring kettles are all fixedly arranged in the kettle body mounting holes; the preparation device of the alcohol-water-resistant acrylic emulsion disclosed by the invention effectively solves the problems that the performance of the prepared alcohol-water-resistant acrylic emulsion is poor due to the fact that the feeding sequence is disordered and the feeding amount cannot be accurately controlled when the existing manual feeding is carried out, realizes the streamlined processing of the alcohol-water-resistant acrylic emulsion, greatly improves the processing production efficiency of the alcohol-water-resistant acrylic emulsion, and has an excellent use effect.
Description
Technical Field
The invention relates to the technical field of acrylic emulsion preparation, and particularly discloses a preparation method and a device of alcohol-water-resistant acrylic emulsion.
Background
The water-based acrylic emulsion is an emulsion taking acrylic ester monomer copolymerization as a main raw material, and is widely applied in the fields of textile, papermaking, coating, packaging, leather and the like at present, but the water-based acrylic emulsion on the market at present cannot meet the requirements of solvent-based paint due to poor water resistance, alcohol resistance and adhesive force, and greatly restricts the development of water-based plastic paint.
In the production process of the water-based acrylic emulsion, the adding sequence and the dosage of various raw materials are very important, and the different adding sequences and dosages of different raw materials can cause certain difference in the performance of the prepared water-based acrylic emulsion, so that the prepared water-based acrylic emulsion cannot be guaranteed to have the same water resistance, alcohol resistance and other related performances. However, the stirring and mixing kettle for producing the water-based acrylic emulsion on the market at present only has one feeding port, and operating personnel need to weigh and prepare all the raw materials and then put the raw materials into the stirring and mixing kettle one by one for stirring.
For example, utility model patent that application number is CN201920970969X just discloses a synthetic reaction unit of waterborne acrylic resin emulsion, the inside reaction chamber that has seted up of retort, reaction chamber limit portion is located retort inside position department and has seted up water bath heating cavity, retort one side limit portion is connected with the inlet tube, the inlet tube bottom is connected with heating water tank, retort opposite side limit portion bottom corresponds one side department with the inlet tube and is connected with the outlet pipe, the outlet pipe top is close to retort department and is connected with the stop valve, outlet pipe one end is connected with the return water pipe. The utility model can heat the mixed liquid reacted in the reaction tank in a water bath way through the water bath heating cavity, the water inlet pipe, the heating water tank, the water outlet pipe, the stop valve and the backflow water pipe, so as to improve the temperature in the reaction tank, further accelerate the reaction rate of the mixed liquid reacted in the reaction tank and improve the reaction quality of the mixed liquid; however, the synthesis reaction device for the aqueous acrylic resin emulsion is only provided with two feeding ports, and operators need to weigh and measure one by one in the feeding process and then feed the aqueous acrylic resin emulsion, but the problems of disordered feeding sequence and inaccurate feeding amount can occur in the feeding process along with the longer and longer working time of the operators, so that the finally prepared aqueous acrylic resin emulsion has poor relevant performance. Therefore, aiming at the problems that the existing water-based acrylic resin emulsion synthesis reaction device needs manual feeding in the operation process, so that the feeding amount is not accurate and the feeding sequence is wrong, the application provides the preparation device of the alcohol-resistant water-based acrylic emulsion and the preparation method using the device, which can effectively solve the technical problems.
Disclosure of Invention
The invention aims to provide a method and a device for preparing alcohol-resistant aqueous acrylic emulsion, which aim to solve a series of problems caused by inaccurate feeding amount and wrong feeding sequence due to the fact that manual feeding is needed in the operation process of the existing aqueous acrylic resin emulsion synthesis reaction device.
The invention is realized by the following technical scheme:
the utility model provides a preparation facilities of resistant aqueous acrylic emulsion of mellow wine, deposits the bucket including fixed frame and rotating housing, a plurality of stirred tanks and a plurality of raw materials, its characterized in that, fixed frame includes bottom plate and driving case, the fixed setting of driving case is on the bottom plate, fixedly connected with stretches out the stand of driving case on the bottom plate, the circular roof of top fixedly connected with of stand, the lower surface of circular roof evenly is connected with a plurality of support columns.
Further, it is a plurality of the raw materials is deposited the bucket and is the fixed upper surface that sets up at circular roof of annular array form, every the raw materials is deposited all fixed feeding pump that is provided with on the bucket, feeding pump's feed liquor end is deposited the bucket with the raw materials and is connected, feeding pump's play liquid end is connected with the transfer line that passes circular roof, the lower extreme of transfer line is connected with filling mouth mounting panel, be provided with the flowmeter on the transfer line of filling mouth mounting panel top, the lower extreme of filling mouth mounting panel is provided with the filling mouth that is connected with the transfer line, circular roof's lower surface is provided with the first flexible driving piece that is connected with the filling mouth mounting panel.
Furthermore, rotatory frame establishes at stand outlying cavity bull stick including the cover, the lower extreme that the cavity bull stick stretched into driving machine case is connected with driven gear, install the rotating electrical machines on the driving machine case, be connected with the driving gear with driven gear engaged with on the output shaft of rotating electrical machines, the upper end of cavity bull stick is connected with the circular commentaries on classics board that is located the circular roof below, it sets up and deposits the corresponding cauldron body mounting hole of bucket with every raw materials to be annular array form on the circular commentaries on classics board, and is a plurality of the equal fixed mounting of stirred tank is in cauldron body mounting hole, and is provided with on the stirred tank with the throwing of filling mouth aligning from top to bottom throw with throwing the pipe, stirred tank's upper surface centre of a circle department all is provided with the bearing, it is connected with the rotation axis to rotate in the bearing, the lower extreme that the rotation axis stretched into the stirred tank inner chamber is connected with the stirring frame, stirred tank's lower extreme is connected with the blow-off line, be provided with the blow-off valve on the blow-off line, the top that the rotation axis stretches out stirred tank is connected with driven bevel gear.
Furthermore, a power unit for realizing synchronous rotation of rotating shafts in all the stirring kettles is arranged at the upper end of the fixed rack, the power unit comprises a plurality of radial slide rails connected to the lower surface of the circular top plate, the radial slide rails are arranged in one-to-one correspondence with the stirring kettles, the lower end of each radial slide rail is connected with a motor moving seat in a sliding manner, a stirring motor is fixedly arranged at the lower end of each motor moving seat, a driving bevel gear is connected to an output shaft of the stirring motor, the driving bevel gear moves outwards along the radial slide rails and is meshed with a driven bevel gear, and a driving device for realizing synchronous outward movement of the motor moving seats along the radial slide rails is arranged on the fixed rack.
Furthermore, the driving device comprises a second telescopic driving part fixed at the center of the circle on the upper surface of the circular top plate, the top end of the stand column is provided with a through hole, the outer circular surface of the stand column is provided with vertical strip openings facing each motor moving seat in an annular array shape, the lower end of the second telescopic driving part is connected with a lifting block positioned in the through hole, the lifting block is connected with a plurality of connecting rods extending out of the corresponding vertical strip openings, the outer end parts of the connecting rods are connected with wedge blocks, the lower surface of each motor moving seat is provided with wedge grooves matched with the wedge blocks, and springs are further connected between the motor moving seats and the stand column; the first telescopic driving piece and the second telescopic driving piece are both one of an air cylinder or a hydraulic cylinder; the stirring kettle and the raw material storage barrel are equal in number and are 4-8.
Furthermore, built-in bearings are arranged at the upper end and the lower end of the inner wall of the hollow rotating rod and are connected with the upright post; a plurality of ear seats are fixedly welded at the upper end of the outer circular surface of the stirring kettle and are connected with the circular rotating plate outside the kettle body mounting hole.
Furthermore, the stirring frame includes that the multiunit is evenly connected at the epaxial puddler of rotation, and the outer end of every group puddler all is connected with the scraper blade of laminating mutually with the stirred tank inner wall, stirred tank's lower extreme is provided with the runing rest that is connected with the rotation axis lower extreme.
Furthermore, a control box is further arranged on the fixed rack, and a control module inside the control box is electrically connected with the material conveying pump, the flow meter, the first telescopic driving piece, the power unit and the driving device.
The invention also provides a preparation method of the alcohol-resistant aqueous acrylic emulsion by using the preparation device, which is characterized by comprising the following steps:
s1: correspondingly loading all the raw materials into different raw material storage barrels for later use;
s2: setting operation programs for controlling a material conveying pump and a flowmeter according to the dosage of each raw material;
s3: starting the whole preparation device to sequentially load the raw materials with different components into the stirring kettle, and after each raw material component is loaded, operating the stirring rack in the stirring kettle for a period of time through the driving device and the power unit to realize the stirring of the raw material components;
s4: and after the stirring kettle rotates for a circle under the action of the rotary frame, adding and stirring all the raw materials, and opening a discharge valve for filling.
Furthermore, the raw materials comprise the following components in parts by weight: 140-180 parts of acrylic resin, 30-40 parts of polyacrylate emulsion, 20-35 parts of hydroxyethyl acrylate, 6-8 parts of emulsifier, 6-10 parts of defoaming agent, 2-5 parts of film-forming assistant and 80-120 parts of water.
Has the advantages that:
1) The invention discloses a preparation device of alcohol-resistant water-resistant acrylic emulsion, which is characterized in that raw material components are loaded into different raw material storage barrels and are uniformly distributed at the upper end of a fixed rack, a plurality of stirring kettles are arranged at the same time and are fixed on a rotating rack, and then the stirring kettles pass through the positions right below the different raw material storage barrels one by one under the action of fixed-angle rotation of the rotating rack in the feeding process, the raw material components in each raw material storage barrel are fed one by one and are stirred, the feeding amount of each raw material component can be set in advance, and quantitative control is performed under the action of a material conveying pump and a flow meter, so that the problems that the feeding sequence is disordered and the feeding amount cannot be accurately controlled during manual feeding in the prior art, and the prepared alcohol-resistant water-resistant acrylic emulsion is poor in performance are effectively solved.
2) The preparation device of the alcohol-resistant water-based acrylic emulsion disclosed by the invention has the advantages that on the premise of sequential feeding and accurate control of feeding amount, after the stations of the stirred tanks are switched, all the stirred tanks can be stirred for many times under the action of the power unit and the driving device, so that the stirring effect of the alcohol-resistant water-based acrylic emulsion is effectively improved, the flowing processing of the alcohol-resistant water-based acrylic emulsion is realized by the whole preparation device, the processing and production efficiency is greatly improved, and the use effect is very excellent.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a first three-dimensional structure of a manufacturing apparatus according to the present invention;
FIG. 2 is a schematic diagram of a second three-dimensional structure of the manufacturing apparatus of the present invention;
FIG. 3 is a schematic view of the internal planar structure of the stationary gantry and the rotating gantry of the present invention;
FIG. 4 is a schematic perspective view of the stationary frame, the raw material storage barrel, etc. of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention;
FIG. 6 is a schematic view of the three-dimensional structure of the rotating frame and the stirring kettle of the present invention;
FIG. 7 is a schematic perspective view of a stirred tank according to the present invention;
FIG. 8 is a schematic view showing the internal plan structure of a stirring tank of the present invention;
FIG. 9 is a schematic perspective view of a motor moving base, a stirring motor, etc. according to the present invention;
fig. 10 is a schematic perspective view of the driving device of the present invention.
Wherein:
100-fixed frame, 101-bottom plate, 102-driving case, 103-upright post, 104-round top plate, 105-supporting column;
200-rotating frame, 201-hollow rotating rod, 202-driven gear, 203-rotating motor, 204-driving gear, 205-circular rotating plate and 206-built-in bearing;
300-stirring kettle, 301-bearing, 302-rotating shaft, 303-stirring frame, 3031-stirring rod, 3032-scraping plate, 304-discharging pipe, 305-discharging valve, 306-driven bevel gear, 307-ear seat, 308-rotating frame and 309-feeding pipe;
400-a raw material storage barrel, 401-a material conveying pump, 402-a liquid conveying pipe, 403-a filling nozzle mounting plate, 404-a flow meter, 405-a filling nozzle, 406-a first telescopic driving piece;
500-power unit, 501-radial slide rail, 502-motor moving seat, 5021-wedge groove, 503-stirring motor, 504-drive bevel gear;
600-a driving device, 601-a second telescopic driving piece, 602-a lifting block, 603-a connecting rod, 604-a wedge-shaped block and 605-a spring;
700-control box.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1 to 10, in conjunction with embodiments.
Example 1
Embodiment 1 discloses a preparation device of alcohol-resistant aqueous acrylic emulsion, referring to fig. 1 and fig. 2, the main body of the preparation device comprises a fixed frame 100 and a rotating frame 200, a plurality of stirred tanks 300 and a plurality of raw material storage barrels 400, wherein the number of the stirred tanks 300 and the raw material storage barrels 400 is equal, and can be set between 4-8 ranges, which is determined according to the number of the raw materials.
Referring to fig. 3 and 4, the fixed frame 100 includes a base plate 101 and a drive housing 102, the drive housing 102 is fixedly disposed on the base plate 101, and a pillar 103 extending out of the drive housing 102 is fixedly connected to the base plate 101. The top end of the upright post 103 is fixedly connected with a circular top plate 104, the lower surface of the circular top plate 104 is uniformly connected with a plurality of support columns 105, and the whole fixed rack 101 can be stably installed on the ground through the design of the support columns 105.
Referring to fig. 4 and 5, a plurality of material storage barrels 400 are fixedly disposed on the upper surface of the circular top plate 104 in an annular array, and a material delivery pump 401 is fixedly disposed on each material storage barrel 400. The liquid inlet end of the material delivery pump 401 is connected with the raw material storage barrel 400, the liquid outlet end of the material delivery pump 401 is connected with a liquid delivery pipe 402 penetrating through the circular top plate 104, and the lower end of the liquid delivery pipe 402 is connected with a filling nozzle mounting plate 403. A flow meter 404 is provided on the liquid transfer tube 402 above the filling nozzle mounting plate 403, a filling nozzle 405 connected to the liquid transfer tube 402 is provided at the lower end of the filling nozzle mounting plate 403, and a first telescopic driving member 406 connected to the filling nozzle mounting plate 403 is provided on the lower surface of the circular top plate 104, and the first driving member 406 may be preferably an air cylinder or a hydraulic cylinder. When raw materials need to be added, the filling nozzle 405 is pushed downwards by the first telescopic driving piece 406 to extend into the stirring kettle 300, and then the quantitative conveying of the raw materials is realized by the material conveying pump 401 and the flow meter 404.
Referring to fig. 3 and fig. 6, the rotating frame 200 includes a hollow rotating rod 201 which is sleeved on the periphery of the upright 103, and in order to ensure that the hollow rotating rod 201 can rotate stably around the upright 103, built-in bearings 206 are arranged at both upper and lower ends of the inner wall of the hollow rotating rod 201, and the built-in bearings 206 are connected with the upright 103. The lower end of the hollow rotating rod 201 extending into the driving case 102 is connected with a driven gear 202, a rotating motor 203 is installed on the driving case 102, and an output shaft of the rotating motor 203 is connected with a driving gear 204 engaged with the driven gear 202; the hollow rotating rod 201 rotates around the upright 103 at a fixed angle under the meshing transmission of the gears after the rotating motor 203 is used as the power source input. Be connected with the circular commentaries on classics board 205 that is located circular roof 104 below at the upper end of cavity bull stick 201, be annular array form on the circular commentaries on classics board 205 and seted up the cauldron body mounting hole corresponding with every raw materials storage bucket 400, then with the equal fixed mounting of a plurality of stirred tanks 300 in cauldron body mounting hole to be provided with on the stirred tank 300 with filling mouth 405 add throwing of aligning about with and expect tub 309. In order to guarantee the installation stability of the stirring kettle 300, a plurality of lug seats 307 are fixedly welded on the upper end of the outer circular surface of the stirring kettle 300, and the lug seats 307 are connected with the circular rotating plate 205 outside the kettle body installation hole.
Referring to fig. 6 and 7, bearings 301 are disposed at the center of the upper surface of the stirring tank 300, a rotating shaft 302 is rotatably connected to the bearings 301, and a stirring frame 303 is connected to the lower end of the rotating shaft 302 extending into the inner cavity of the stirring tank 300. The concrete stirring frame 303 comprises a plurality of groups of stirring rods 3031 uniformly connected to the rotating shaft 302, the outer end of each group of stirring rods is connected with a scraper 3032 attached to the inner wall of the stirring kettle 300, and then the lower end of the stirring kettle 300 is provided with a rotating support 308 connected with the lower end of the rotating shaft 302. The stirring rod 3031 sufficiently stirs the internal raw material and scrapes off the raw material attached to the inner wall of the stirring tank 300 by the scraper 3032 during the stirring process. A discharge pipe 304 is connected to the lower end of the stirring tank 300, a discharge valve 305 is provided on the discharge pipe 304, and a driven bevel gear 306 is connected to the top end of the rotary shaft 302 extending out of the stirring tank 300.
Referring to fig. 2, 3 and 9, a power unit 500 for realizing the synchronous rotation of the rotating shafts 302 in all the stirred tanks 300 is provided at the upper end of the fixed frame 100. The specific power unit 500 comprises a plurality of radial sliding rails 501 connected to the lower surface of the circular top plate 104, and the plurality of radial sliding rails 501 are arranged in one-to-one correspondence with the stirred tanks 300. The lower end of each radial slide rail 501 is slidably connected with a motor moving seat 502, the lower end of the motor moving seat 502 is fixedly provided with a stirring motor 503, an output shaft of the stirring motor 503 is connected with a drive bevel gear 504, the drive bevel gear 504 moves outwards along the radial slide rails 501 and can be meshed with the driven bevel gear 306, and when the drive bevel gear 504 is meshed with the driven bevel gear 306, the stirring motor 503 is started to stir the raw materials in the stirring kettle 300.
Referring to fig. 3 and 10, a driving device 600 for moving the motor moving bases 502 outward along the radial slide 501 synchronously is disposed on the fixed frame 100. The drive assembly 600 includes a second telescoping actuation member 601 secured to the top surface of the circular top plate 104 at a center thereof, the second telescoping actuation member 601 also preferably being an air or hydraulic cylinder. The top end of the upright post 103 is provided with a through hole, and the outer circular surface of the upright post 103 is provided with vertical slots facing each motor moving seat 502 in an annular array shape. Then, the lower end of the second telescopic driving member 601 is connected with a lifting block 602 positioned in the through hole, the lifting block 602 is connected with a plurality of connecting rods 603 extending out of the corresponding vertical bar openings, and the outer end of each connecting rod 603 is connected with a wedge-shaped block 604. With reference to fig. 9, a wedge groove 5021 matched with the wedge block 604 is further formed in the lower surface of the motor moving seat 502, and a spring 605 is further connected between the motor moving seat 502 and the column 103. The wedge block 604 is embedded into the wedge groove 5021 through the retraction of the second telescopic driving member 601, so that the motor moving seat 502 is pushed to move outwards against the acting force of the spring 605 until the driving bevel gear 504 is engaged with the driven bevel gear 306, and then the stirring motor 503 is started to stir the raw materials in the stirring kettle 300.
Finally, in order to facilitate the control and command input of the whole preparation device, a control box 700 is further disposed on the fixed frame 100, and a control module inside the control box 700 is electrically connected to the feed delivery pump 401, the flow meter 404, the first telescopic driving member 406, the power unit 500 and the driving device 600.
Example 2
Embodiment 2 discloses a method for preparing an alcohol-water resistant acrylic emulsion by the preparation apparatus provided in embodiment 1, which includes the steps of:
the method comprises the following steps: all the raw materials are correspondingly put into different raw material storage barrels 400 for standby, and the specific raw materials comprise acrylic resin, polyacrylate emulsion, hydroxyethyl acrylate, an emulsifier, a defoaming agent, a film-forming assistant and water.
Step two: according to the dosage of each raw material, an operation program for controlling the feed delivery pump 401 and the flow meter 404 is set. The specific amounts used in this example 2 included 142kg of acrylic resin, 36kg of polyacrylate emulsion, 24kg of hydroxyethyl acrylate, 6kg of emulsifier, 6kg of defoamer, 3kg of film forming aid and 115kg of water.
Step three: starting the whole preparation device to load raw materials with different components into the stirring kettle 300 one by one, and after each raw material component is loaded, operating the stirring frame 303 in the stirring kettle 300 for a period of time through the driving device 600 and the power unit 500 to realize the stirring of the raw material components;
step four: after the stirring kettle 300 rotates for one circle under the action of the rotating frame 200, all the raw materials are added and stirred, the discharge valve 305 is opened for filling.
Example 3
Embodiment 3 discloses a method for producing an alcohol-water resistant acrylic emulsion by the production apparatus provided in embodiment 1, which comprises the steps of:
the method comprises the following steps: all the raw materials are correspondingly put into different raw material storage barrels 400 for standby, and the specific raw materials comprise acrylic resin, polyacrylate emulsion, hydroxyethyl acrylate, an emulsifier, a defoaming agent, a film-forming assistant and water.
Step two: according to the dosage of each raw material, an operation program for controlling the feed delivery pump 401 and the flow meter 404 is set. The raw materials comprise 175kg of acrylic resin, 32kg of polyacrylate emulsion, 34kg of hydroxyethyl acrylate, 8kg of emulsifier, 10kg of defoamer, 4kg of film-forming assistant and 100kg of water.
Step three: starting the whole preparation device to load raw materials with different components into the stirring kettle 300 one by one, and after each raw material component is loaded, operating the stirring frame 303 in the stirring kettle 300 for a period of time through the driving device 600 and the power unit 500 to realize the stirring of the raw material components;
step four: after the stirring kettle 300 rotates for a week under the action of the rotating frame 200, all the raw materials are added and stirred, the discharge valve 305 is opened for filling.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a preparation facilities of resistant aqueous acrylic emulsion of alcohol, deposits bucket (400) including fixed frame (100) and rotating frame (200), a plurality of stirred tank (300) and a plurality of raw materials, its characterized in that, fixed frame (100) include bottom plate (101) and driving machine case (102), driving machine case (102) are fixed to be set up on bottom plate (101), stand (103) of driving machine case (102) are stretched out to fixedly connected with on bottom plate (101), the circular roof (104) of top fixedly connected with of stand (103), the lower surface of circular roof (104) evenly is connected with a plurality of support columns (105).
2. The apparatus for producing an alcohol-resistant aqueous acrylic emulsion according to claim 1,
a plurality of bucket (400) are the fixed upper surface that sets up in circular roof (104) of annular array form, every the raw materials are deposited and are all fixed being provided with defeated material pump (401) on bucket (400), the feed liquor end of defeated material pump (401) is deposited bucket (400) with the raw materials and is connected, the play liquid end of defeated material pump (401) is connected with transfer line (402) that pass circular roof (104), the lower extreme of transfer line (402) is connected with filling nozzle mounting panel (403), be provided with flowmeter (404) on transfer line (402) of filling nozzle mounting panel (403) top, the lower extreme of filling nozzle mounting panel (403) is provided with filling nozzle (405) that is connected with transfer line (402), the lower surface of circular roof (104) is provided with the first flexible driving piece (406) that is connected with filling nozzle mounting panel (403).
3. The apparatus for producing an alcohol-resistant aqueous acrylic emulsion according to claim 2,
the rotating frame (200) comprises a hollow rotating rod (201) sleeved on the periphery of the upright post (103), the lower end of the hollow rotating rod (201) extending into the driving case (102) is connected with a driven gear (202), a rotating motor (203) is arranged on the driving case (102), an output shaft of the rotating motor (203) is connected with a driving gear (204) meshed with the driven gear (202), the upper end of the hollow rotating rod (201) is connected with a circular rotating plate (205) positioned below the circular top plate (104), the circular rotating plate (205) is provided with kettle body mounting holes corresponding to each raw material storage bucket (400) in an annular array shape, a plurality of stirring kettles (300) are fixedly arranged in the kettle body mounting holes, and the stirring kettle (300) is provided with a feeding pipe (309) which is aligned with the filling nozzle (405) up and down, the circle centers of the upper surfaces of the stirring kettles (300) are all provided with bearings (301), a rotating shaft (302) is rotatably connected in the bearing (301), the lower end of the rotating shaft (302) extending into the inner cavity of the stirring kettle (300) is connected with a stirring frame (303), the lower end of the stirring kettle (300) is connected with a discharge pipe (304), a discharge valve (305) is arranged on the discharge pipe (304), and a driven bevel gear (306) is connected to the top end of the rotating shaft (302) extending out of the stirring kettle (300).
4. The apparatus for producing an alcohol-resistant aqueous acrylic emulsion according to claim 3,
the upper end of the fixed rack (100) is provided with a power unit (500) for realizing synchronous rotation of rotating shafts (302) in all stirring kettles (300), the power unit (500) comprises a plurality of radial sliding rails (501) connected to the lower surface of a circular top plate (104), the radial sliding rails (501) and the stirring kettles (300) are arranged in a one-to-one correspondence mode, the lower end of each radial sliding rail (501) is connected with a motor moving seat (502) in a sliding mode, a stirring motor (503) is fixedly arranged at the lower end of each motor moving seat (502), an output shaft of each stirring motor (503) is connected with a driving bevel gear (504), the driving bevel gear (504) moves outwards along the radial sliding rails (501) and is meshed with a driven bevel gear (306), and a driving device (600) for realizing synchronous outward movement of the motor moving seats (502) along the radial sliding rails (501) is arranged on the fixed rack (100).
5. The preparation apparatus of alcohol-resistant aqueous acrylic emulsion according to claim 4, wherein the driving device (600) comprises a second telescopic driving member (601) fixed at the center of the circle of the upper surface of the circular top plate (104), the top end of the column (103) is provided with a through hole, the outer circumferential surface of the column (103) is provided with vertical slots facing each motor moving seat (502) in an annular array, the lower end of the second telescopic driving member (601) is connected with a lifting block (602) positioned in the through hole, the lifting block (602) is connected with a plurality of connecting rods (603) extending out of the corresponding vertical slots, the outer end of each connecting rod (603) is connected with a wedge block (604), the lower surface of the motor moving seat (502) is provided with a wedge groove (5021) matched with the wedge block (604), and a spring (605) is further connected between the motor moving seat (502) and the column (103); the first telescopic driving piece (406) and the second telescopic driving piece (601) are both one of an air cylinder or a hydraulic cylinder; the number of the stirring kettles (300) and the number of the raw material storage barrels (400) are equal and are respectively 4-8.
6. The apparatus for preparing alcohol-resistant aqueous acrylic emulsion according to claim 5, wherein the hollow rotating rod (201) has built-in bearings (206) at both upper and lower ends of its inner wall, and the built-in bearings (206) are connected to the upright column (103); the outer disc upper end of stirred tank (300) all fixed welding have a plurality of ear seat (307), a plurality of ear seat (307) all are connected with circular revolving plate (205) in the cauldron body mounting hole outside.
7. The preparation device of alcohol-resistant aqueous acrylic emulsion according to claim 6, wherein the stirring frame (303) comprises a plurality of groups of stirring rods (3031) uniformly connected to the rotating shaft (302), the outer end of each group of stirring rods is connected with a scraper (3032) attached to the inner wall of the stirring kettle (300), and the lower end of the stirring kettle (300) is provided with a rotating support (308) connected with the lower end of the rotating shaft (302).
8. The apparatus according to claim 7, wherein the fixed frame (100) is further provided with a control box (700), and a control module inside the control box (700) is electrically connected to the material delivery pump (401), the flow meter (404), the first telescopic driving member (406), the power unit (500), and the driving device (600).
9. A method for producing an alcohol-resistant aqueous acrylic emulsion using the production apparatus according to claim 8, comprising the steps of:
s1: correspondingly filling all the raw materials into different raw material storage barrels (400) for standby;
s2: setting operation programs for controlling a material conveying pump (401) and a flow meter (404) according to the dosage of each raw material;
s3: starting the whole preparation device to load raw materials with different components into the stirring kettle (300) one by one, and operating the stirring frame (303) in the stirring kettle (300) for a period of time through the driving device (600) and the power unit (500) after each raw material component is loaded to realize the stirring of the raw material components;
s4: after the stirring kettle (300) rotates for a circle under the action of the rotating rack (200), all raw materials are added and stirred, the discharge valve (305) is opened for filling, and the product is obtained.
10. The method for preparing the alcohol-resistant aqueous acrylic emulsion according to claim 9, wherein the raw materials comprise the following components in parts by weight: 140-180 parts of acrylic resin, 30-40 parts of polyacrylate emulsion, 20-35 parts of hydroxyethyl acrylate, 6-8 parts of emulsifier, 6-10 parts of defoaming agent, 2-5 parts of film-forming assistant and 80-120 parts of water.
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