CN111774162B - Waterborne epoxy preparation facilities - Google Patents
Waterborne epoxy preparation facilities Download PDFInfo
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- CN111774162B CN111774162B CN202010633527.3A CN202010633527A CN111774162B CN 111774162 B CN111774162 B CN 111774162B CN 202010633527 A CN202010633527 A CN 202010633527A CN 111774162 B CN111774162 B CN 111774162B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/41—Emulsifying
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- 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
- B01F33/83—Mixing plants specially adapted for mixing in combination with disintegrating operations
- B01F33/833—Devices with several tools rotating about different axis in the same receptacle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/30—Mixing paints or paint ingredients, e.g. pigments, dyes, colours, lacquers or enamel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crushing And Grinding (AREA)
Abstract
The embodiment of the invention discloses a water-based epoxy resin preparation device, which comprises a reactor and a stage grinding mechanism which is arranged in the reactor and is used for carrying out stage grinding on epoxy resin raw materials in a circulating manner, wherein the stage grinding mechanism can be used for realizing the operation of stage grinding on the raw materials and sending the ground raw materials back to a filter separator for secondary grinding through the filter separator and a raw material reflux device, so that the raw materials can not easily generate the phenomenon of larger particles, when the device is implemented, only the raw materials are injected into a material guide pipe, so that the raw materials enter the filter separator to be divided into different stages for grinding, wherein the fine raw materials can be firstly fed into a toothed column rotating sleeve for full grinding, so that the raw materials can be ground to be finer, then the raw materials can directly enter the circulating grinder through a material guide pipe, at the moment, the raw materials can be mixed with emulsifier aqueous solution, and simultaneously, the circulating grinder can inject the raw materials with the larger particles in the solution into the filter separator for secondary grinding, so that the solution can not be coagulated into blocks.
Description
Technical Field
The embodiment of the invention relates to the technical field of epoxy resin, and particularly relates to a water-based epoxy resin preparation device.
Background
The aqueous epoxy resin can be classified into anionic resin and cationic resin, the anionic resin is used for anodic electrodeposition paint, and the cationic resin is used for cathodic electrodeposition paint. The water-based epoxy resin has the main characteristic of excellent corrosion resistance, and is used in the fields of medical appliances, electrical appliances, light industrial products and the like besides being used for automobile coating.
The more methods for preparing the water-based epoxy resin are the mechanical method, namely the direct emulsification method, wherein the more methods are mechanical methods, namely a ball mill, a colloid mill, a homogenizer and the like can be used for pre-grinding the solid epoxy resin into micron-sized epoxy resin powder, then an emulsifier aqueous solution is added, and the particles are dispersed in water through mechanical stirring; or mixing the epoxy resin and the emulsifier, heating to a suitable temperature, and gradually adding water under vigorous stirring to form an emulsion.
However, the existing preparation device often faces a problem in the preparation process, the grinding and stirring process is single, partial epoxy resin particles are large during preparation, and when large-particle epoxy resin with a large content is accumulated together, the phenomenon of agglomeration is easily caused, so that the finally obtained product has low quality.
Disclosure of Invention
Therefore, the embodiment of the invention provides a preparation device of a water-based epoxy resin, which is used for solving the problems that in the prior art, the grinding and stirring process is single, part of epoxy resin particles are large during preparation, and after large-particle epoxy resin with high content is accumulated together, the epoxy resin particles are easy to coagulate into lumps, so that the quality of the finally obtained product is low.
In order to achieve the above object, an embodiment of the present invention provides the following:
a water-based epoxy resin preparation device comprises a reactor and a stage grinding mechanism which is arranged in the reactor and is used for carrying out circulating stage-type grinding on epoxy resin raw materials;
the stage grinding mechanism comprises a rotary grinding sleeve which is arranged on the inner wall of the reactor and is driven by a driver, a stepped grinder for carrying out multi-stage grinding on epoxy resin raw materials is arranged in the rotary grinding sleeve, and a raw material reflux device is arranged at the bottom of the rotary grinding sleeve;
the stepped grinder comprises a material guide pipe arranged at the central position of the surface of a rotary grinding sleeve, a separation table is arranged at the position of the inner wall of the rotary grinding sleeve corresponding to the material guide pipe, and filter separators which are connected with the inner wall of the rotary grinding sleeve and used for separating epoxy resin raw materials into different stages are arranged at two sides of the separation table;
the raw material reflux device comprises an installation block connected with the inner wall of the bottom of the reactor, a circulating mill with the end part communicated with the material guide pipe is arranged on the installation block, and the other end of the circulating mill is connected with a lead-in device used for leading epoxy resin raw materials in different stages into the circulating mill;
the material guide pipe guides epoxy resin raw materials into the rotary grinding sleeve, the epoxy resin raw materials are injected into the filter through the separating table to be ground in different stages, and the ground epoxy resin raw materials in all stages are guided into the circulating grinder through the material guide pipe so that the raw materials are fed into the material guide pipe again.
As a preferable scheme of the present invention, the circulating mill includes a circulating cylinder fixed on the mounting block, a spiral propelling column is arranged in the circulating cylinder, a guide sleeve connected with the material guiding pipe is installed at one end of the circulating cylinder close to the material guiding pipe, a raw material feeding sleeve is installed on a side wall of the other end of the circulating cylinder, one end of the spiral propelling column penetrates through the guide sleeve, and a bulk material agitator for agitating a raw material emulsion is installed at a position corresponding to the other end of the spiral propelling column and the raw material feeding sleeve.
As a preferable mode of the present invention, the bulk material agitator includes a belt feeding column connected to an end of the screw propulsion column, a plurality of belt feeding grooves are formed at positions of a side wall of the belt feeding column corresponding to the raw material feeding sleeve, a screw stirring column for stirring the raw material emulsion is installed at one end of the belt feeding column away from the screw propulsion column, a plurality of soaking holes are formed at positions of an inner wall of the circulation cylinder corresponding to the belt feeding column, and a blocking piece is installed at one end of the inner wall of the circulation cylinder away from the screw stirring column.
As a preferred scheme of the invention, both ends of the rotating grinding sleeve are provided with limiting posts connected with the inner wall of the reactor, the importer comprises a guide sleeve connected with the inner wall of the reactor and sleeved on the side wall of the limiting post, a guide chute is arranged in the guide sleeve, a material guiding pipe communicated with the guide chute is arranged on the outer side wall of the guide sleeve, one end of the material guiding pipe, far away from the guide sleeve, is connected with the raw material guide sleeve, the limiting post is provided with a material guiding hole with a V-shaped longitudinal section and communicated with the guide chute, and a guiding platform for guiding the raw material into the material guiding hole is arranged at a position corresponding to the material guiding hole on the inner wall of the rotating grinding sleeve.
As a preferred scheme of the present invention, the rotating grinding sleeve includes two toothed column rotating sleeves which are symmetrical with respect to the reactor and connected to the limiting column, the inner wall of the toothed column rotating sleeve is connected to a plurality of grinding balls, a ring hole is formed in a side wall of the toothed column rotating sleeve, a material pipe ring sleeve for limiting the material guiding pipe is installed at a position on an outer side wall of the toothed column rotating sleeve corresponding to the ring hole, the material guiding pipe includes a connecting ring sleeve which is sleeved in the material pipe ring sleeve and used for limiting the two toothed column rotating sleeves, a plurality of material passing holes are formed in a side wall of the connecting ring sleeve, and a material passing pipe communicated with the flow guiding sleeve is installed on the connecting ring sleeve.
In a preferred embodiment of the present invention, the filter separator includes a spacer connected to an inner wall of the toothed column rotating sleeve, a fixed column penetrating through the toothed column rotating sleeve and connected to the inner wall of the reactor is installed on a surface of one side of the spacer, which is away from the separation table, a raw material injection hole is opened on a surface of the spacer, and a stage spacer whose end surface is connected to the spacer is installed on a side wall of the fixed column.
In a preferred embodiment of the present invention, the partition table includes two inclined blocks connected to the inner wall of the reactor and partitioning the two partition constituting regions, the inclined blocks have an isosceles trapezoid-shaped longitudinal section, and the two inclined blocks are symmetrical with respect to the center line of the partition.
As a preferable scheme of the present invention, the stage spacer includes an isolation sleeve sleeved on a side wall of the fixed column, and an end surface of the isolation sleeve is connected to the spacer, a filtering hole is formed in the side wall of the isolation sleeve, a pressing plate connected to an inner wall of the isolation sleeve and used for crushing the raw material is installed on the side wall of the fixed column, a guide sleeve is connected to one end of the isolation sleeve far from the spacer, and a guide filtering hole is formed in the side wall of the guide sleeve.
As a preferable scheme of the invention, an embedding groove is formed on the inner wall of the raw material injection hole, and a material blocking block is connected in the embedding groove through a rotating shaft with a torsion spring arranged on the side wall.
In a preferred embodiment of the present invention, the height of the belt column is greater than the inner diameter of the material guide sleeve, and the diameter of the belt column is equal to the inner diameter of the circulation cylinder.
The embodiment of the invention has the following advantages:
the invention can realize the operation of stage-by-stage grinding of the raw material and the operation of sending the ground raw material back to the filter separator for secondary grinding through the filter separator and the raw material reflux device, so that the raw material can not easily generate the phenomenon of larger particles.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a bulk agitator according to an embodiment of the present invention;
FIG. 3 is a top view of a reactor according to an embodiment of the present invention;
FIG. 4 is a side view of a longitudinal cross-sectional structure of a material guiding sleeve according to an embodiment of the present invention;
FIG. 5 is a schematic top cross-sectional view of a recycling bin according to an embodiment of the present invention;
FIG. 6 is an external view of an insulating sleeve according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a filter according to an embodiment of the present invention.
In the figure:
1-stage grinding mechanism; 2-step grinder; 3-raw material reflux device; 4-a circulating mill; 5-bulk material agitator; 6-an introducer; 7-a filter separator; 8-rotating the grinding sleeve; 9-a reactor;
201-a material guide pipe; 202-a separating table; 2021-inclined block;
301-mounting block;
401-a circulation drum; 402-a screw propulsion column; 403-flow guiding sleeve; 404-raw material introduction sleeve;
501, carrying into a column; 502-carry-in slot; 503-spiral stirring column; 504-dip hole; 505-a blocking sheet;
601-material guiding sleeve; 602-a material guide chute; 603-a material guiding pipe;
701-a spacer; 702-a fixed column; 703-a raw material injection hole; 704-a stage spacer; 7041-insulating sleeve; 7042-filtration pores; 7043 pressing plate; 7044-guide sleeve; 7045-guide strainer holes; 705-caulking groove; 706-a material blocking block;
801-a limiting column; 802-a feed hole; 803-rotating sleeve of tooth column; 804-a guide table; 805-grinding balls; 806-ring hole; 807-material pipe ring sleeve; 808-a connecting ring sleeve; 809-material passing holes; 810-material through pipe.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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 invention.
As shown in fig. 1, the present invention provides an apparatus for preparing an aqueous epoxy resin, comprising a reactor 9 and a stage grinding mechanism 1 installed in the reactor 9 for performing cyclic stage grinding of epoxy resin raw material;
the stage grinding mechanism 1 comprises a rotary grinding sleeve 8 which is arranged on the inner wall of a reactor 9 and is driven by a driver (the rotary grinding sleeve 8 and the circulating grinder 4 can be driven by a motor at the same time), a stepped grinder 2 for carrying out multi-stage grinding on epoxy resin raw materials is arranged in the rotary grinding sleeve 8, and a raw material reflux device 3 is arranged at the bottom of the rotary grinding sleeve 8;
the stepped grinder 2 comprises a material guide pipe 201 arranged at the central position of the surface of a rotary grinding sleeve 8, a separation table 202 is arranged at the position of the inner wall of the rotary grinding sleeve 8 corresponding to the material guide pipe 201, and two sides of the separation table 202 are respectively provided with a filter 7 which is connected with the inner wall of the rotary grinding sleeve 8 and is used for separating epoxy resin raw materials into different stages;
the raw material reflux device 3 comprises an installation block 301 connected with the inner wall of the bottom of the reactor 9, a circulating mill 4 with the end part communicated with the material guide pipe 201 is arranged on the installation block 301, and the other end of the circulating mill 4 is connected with an importer 6 for importing epoxy resin raw materials in different stages into the circulating mill 4;
the material guiding pipe 201 guides the epoxy resin raw material into the rotary grinding sleeve 8, and the epoxy resin raw material is injected into the filter 7 through the separating table 202 to be ground in different stages, and the epoxy resin raw material in each stage after being ground is guided into the circulating grinder 4 through the guiding device 6 to be fed into the material guiding pipe 201 again.
The device can make the raw materials be in the activity phenomenon of grinding always when using, avoids the raw materials to appear condensing the phenomenon of agglomeration, and when it is implemented, only need to pour into the stock guide 201 with the raw materials, and the raw materials can be poured into two filter separator 7 simultaneously through separating platform 202 this moment, and the raw materials that gets into in filter separator 7 can be divided into different stages to make the more abundant of raw materials grinding, later grind abundant raw materials and can get into in the circulation grinder 4 through the introducer 6, so that the raw materials lets in again the stock guide 201 grinds the operation.
As shown in fig. 1 and 2, the circulating mill 4 includes a circulating cylinder 401 fixed on a mounting block 301, a spiral propelling column 402 is disposed in the circulating cylinder 401, a guide sleeve 403 connected to the material guiding pipe 201 is mounted at one end of the circulating cylinder 401 close to the material guiding pipe 201, a raw material feeding sleeve 404 is mounted on a side wall of the other end of the circulating cylinder 401, one end of the spiral propelling column 402 penetrates through the guide sleeve 403, and a bulk material agitator 5 for agitating a raw material emulsion is mounted at a position corresponding to the raw material feeding sleeve 404 at the other end of the spiral propelling column 402.
As shown in fig. 2 and 5, the bulk material agitator 5 includes a belt feeding column 501 connected to an end of the belt feeding column 402, a plurality of belt feeding grooves 502 are opened at a position where a side wall of the belt feeding column 501 corresponds to the raw material guide sleeve 404, a spiral stirring column 503 for stirring raw material emulsion is installed at an end of the belt feeding column 501 away from the spiral feeding column 402, a plurality of soaking holes 504 are opened at a position where an inner wall of the circulation cylinder 401 corresponds to the belt feeding column 501, and a blocking piece 505 is installed at an end of the belt feeding column 501 away from the spiral stirring column 503 on the inner wall of the circulation cylinder 401, and the blocking piece 505 can further limit a flow rate of raw material so that raw material does not largely escape from the belt feeding groove 502.
The circular mill 4 can stir the raw material emulsion, so that the final product does not coagulate, when it is implemented, the introducer 6 can directly introduce the raw material into the raw material introducing sleeve 404, at this time, the spiral propelling column 402 can be driven to rotate, then the rotating spiral propelling column 402 can drive the bringing column 501 and the spiral stirring column 503 to rotate together, then the rotating bringing column 501 can bring the raw material in the raw material introducing sleeve 404 into the circulating cylinder 401 through the bringing groove 502 thereon, at this time, the small particle raw material in the circulating cylinder 401 can be directly contacted with the emulsifier aqueous solution, and the spiral stirring column 503 can push the aqueous solution to the bringing column 501, so that the two are mixed more sufficiently, the larger particles can be pushed by the aqueous solution to contact the bottom end of the spiral propelling column 402, then the rotating spiral propelling column 402 can gradually push the aqueous solution containing the large particle raw material towards the direction of the material guiding pipe 201, so that the raw material enters the material guiding pipe 201 for the re-grinding operation, and the pushed aqueous solution can seep out from the soaking holes 504, and the situation that more solution enters the rotary grinding sleeve 8 can not happen.
As shown in fig. 1, 3, 4 and 7, the two ends of the rotating grinding sleeve 8 are both provided with a limiting column 801 connected with the inner wall of the reactor 9, the introducer 6 includes a material guide sleeve 601 connected with the inner wall of the reactor 9 and sleeved on the side wall of the limiting column 801, the material guide sleeve 601 is internally provided with a material guide channel 602, the outer side wall of the material guide sleeve 601 is provided with a material guide pipe 603 communicated with the material guide channel 602, one end of the material guide pipe 603 far away from the material guide sleeve 601 is connected with the raw material introduction sleeve 404, the limiting column 801 is provided with a material guide hole 802 with a V-shaped longitudinal section and communicated with the material guide channel 602, and a guide table 804 for guiding the raw material into the material guide hole 802 is installed at a position corresponding to the material guide hole 802 on the inner wall of the rotating grinding sleeve 8.
The rotary grinding sleeve 8 is used to divide the injected raw material into two parts, and the injected raw material is ground in a step-by-step manner, and then the ground raw material is injected into the circular grinder 4 (raw material inlet sleeve 404) through the introducer 6, when the rotary grinding sleeve 8 is implemented, the raw material in the rotary grinding sleeve 8 moves along with the rotary grinding sleeve 8 (the size of the guide table 804 is matched with the size of the material guiding hole 802, and is tightly connected with the inner wall of the end part of the rotary grinding sleeve 8, so that the raw material cannot be blocked and accumulated, and the specific structure of the guide table 804 is shown in fig. 7), when part of the raw material moves along with the inner wall of the rotary grinding sleeve 8, the raw material and the grinding balls 805 fall on the inclined surface of the guide table 804, and then the raw material enters the material guiding hole 802 (in order that the large-particle raw material and the grinding balls 805 cannot enter the material guiding hole 802, so that a filter plate can be installed in the guiding hole 802, and the material guiding sleeve 601 is fixed, and the limiting column 801 can rotate on the material guiding sleeve 601), when the material guiding hole 802 rotates along with the limiting column 801 to correspond to the material guiding groove 602, the raw material can directly enter the material guiding groove 602 and then is guided into the circulating cylinder 401 from the material guiding pipe 603.
As shown in fig. 1, 3 and 7, the rotary grinding sleeve 8 includes two toothed column rotary sleeves 803 which are symmetrical with respect to the reactor 9 and connected to the limiting column 801, the inner wall of the toothed column rotary sleeve 803 is connected to a plurality of grinding balls 805, a ring hole 806 is formed in the side wall of the toothed column rotary sleeve 803, a material pipe ring sleeve 807 for limiting the material guiding pipe 201 is installed at a position on the outer side wall of the toothed column rotary sleeve 803 corresponding to the ring hole 806, the material guiding pipe 201 includes a connecting ring sleeve 808 which is sleeved in the material pipe ring sleeve 807 and used for limiting the two toothed column rotary sleeves 803, a plurality of material passing holes 809 are formed in the side wall of the connecting ring sleeve 808, and a material passing pipe 810 which is communicated with the flow guiding sleeve 403 is installed on the connecting ring sleeve 808.
As shown in fig. 1 and 7, the partition table 202 includes two inclined blocks 2021 connected to the inner wall of the reactor 9 and partitioning the two regions formed by the partitions 701, the inclined blocks 2021 have an isosceles trapezoid shape in longitudinal section, and the two inclined blocks 2021 are symmetrical with respect to the center line of the partitions 701, and the inclined blocks 2021 serve to block the regions formed by partitioning the two partitions 701 so that the raw material is not accumulated between the two partitions 701.
When raw materials or raw material emulsion pass through the material through pipe 810, the raw materials or the raw material emulsion firstly contact the separating table 202, at the moment, the raw materials are divided into two parts by the inclined block 2021, then, the two parts of raw materials respectively enter the corresponding filter separators 7, at the moment, the toothed column rotating sleeve 803 is driven to rotate by the motor, so that the two inclined blocks 2021 can contact the raw materials, namely, the raw materials can be fed in the rotating (grinding) process of the toothed column rotating sleeve 803, and when the toothed column rotating sleeve 803 rotates, the material pipe ring sleeve 807 can be driven to move together and limit the connecting ring sleeve 808, and when the solution enters the toothed column rotating sleeve 803, the solution can flow away through the material through hole 809, so that the solution accumulation is avoided.
As shown in fig. 1, 6 and 7, the filter separator 7 includes a spacer 701 connected to an inner wall of the tooth column rotary sleeve 803, a fixed column 702 penetrating through the tooth column rotary sleeve 803 and connected to an inner wall of the reactor 9 is installed on a surface of one side of the spacer 701 away from the separation stage 202, a raw material injection hole 703 is opened on a surface of the spacer 701, a stage spacer 704 whose end surface is connected to the spacer 701 is installed on a side wall of the fixed column 702, a caulking groove 705 is opened on an inner wall of the raw material injection hole 703, and a material blocking block 706 is connected to the caulking groove 705 through a rotating shaft provided with a torsion spring on a side wall.
This keep off material block 706 can be driven by the torsional spring after being promoted by the raw materials and reset, and keep off material block 706 on the spacer 701 and can set up two to when making tooth post turn cover 803 rotate, the raw materials can directly get into isolation cover 7041, and be in the raw materials of isolation cover 7041 bottom can be kept off by keeping off material block 706 and can not spill easily.
The stage spacer 704 comprises an isolation sleeve 7041 which is sleeved on the side wall of the fixed column 702, the end face of the isolation sleeve 7041 is connected with the spacer 701, a filtering hole 7042 is formed in the side wall of the isolation sleeve 7041, a pressing plate 7043 which is connected with the inner wall of the isolation sleeve 7041 and used for crushing raw materials is installed on the side wall of the fixed column 702, a guide sleeve 7044 is connected to one end, far away from the spacer 701, of the isolation sleeve 7041, and a guide filtering hole 7045 is formed in the side wall of the guide sleeve 7044.
The filter 7 can perform the operation of grinding the raw material in a stepped manner, when the operation is performed, once the raw material slides along the inclined surface of the inclined block 2021, the sliding raw material passes through the raw material injection hole 703 and pushes the material blocking block 706 to directly enter the insulation sleeve 7041, and the raw material in the insulation sleeve 7041 moves along with the tooth column rotating sleeve 803, and then the fine raw material directly passes through the filter 7042 to enter the tooth column rotating sleeve 803 (if more raw material is entered, the fine raw material can simultaneously flow out through the filter 7042 and the guide filter 7045, that is, the raw material can be divided into three stages, wherein the fine raw material directly enters the feeding hole 802 through the guide filter 7045, while the medium-sized raw material and part of the fine raw material enter the tooth column rotating sleeve 803 through the filter 7042, and the larger particles are retained in the insulation sleeve 7041), and the spacer 701 rotates together with the insulation sleeve 7041, therefore, in the rotation process of the isolation sleeve 7041, the pressing plate 7043 crushes the larger particles of the raw material in the grinding isolation sleeve 7041 so that the raw material can normally pass through the filtering hole 7042, and after the raw material enters the tooth column rotation sleeve 803, the grinding balls 805 in the grinding isolation sleeve can break the ground raw material so that the final raw material can normally pass through the feeding hole 802.
The height value of the feeding column 501 is larger than the inner diameter value of the raw material feeding sleeve 404, the diameter value of the feeding column 501 is equal to the inner diameter value of the circulating cylinder 401, so that the raw material in the raw material feeding sleeve 404 is driven by the feeding column 501 when contacting the solution and cannot directly enter, and the situation that large-particle raw materials are accumulated at the bottom of the solution is avoided.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The water-based epoxy resin preparation device is characterized by comprising a reactor (9) and a stage grinding mechanism (1) which is arranged in the reactor (9) and is used for carrying out circulating stage-by-stage grinding on epoxy resin raw materials;
the stage grinding mechanism (1) comprises a rotary grinding sleeve (8) which is arranged on the inner wall of the reactor (9) and is driven by a driver, a stepped grinder (2) for carrying out multi-stage grinding on epoxy resin raw materials is arranged in the rotary grinding sleeve (8), and a raw material reflux device (3) is arranged at the bottom of the rotary grinding sleeve (8);
the stepped grinder (2) comprises a material guide pipe (201) arranged at the central position of the surface of a rotary grinding sleeve (8), a separation table (202) is arranged at the position, corresponding to the material guide pipe (201), of the inner wall of the rotary grinding sleeve (8), and filter separators (7) which are connected with the inner wall of the rotary grinding sleeve (8) and used for separating epoxy resin raw materials into different stages are arranged on two sides of the separation table (202);
the raw material reflux device (3) comprises an installation block (301) connected with the inner wall of the bottom of the reactor (9), a circulating mill (4) with the end part communicated with the material guide pipe (201) is arranged on the installation block (301), and the other end of the circulating mill (4) is connected with a leading-in device (6) used for leading epoxy resin raw materials in different stages into the circulating mill (4);
the material guide pipe (201) guides epoxy resin raw materials into the rotary grinding sleeve (8), the epoxy resin raw materials are injected into a filter separator (7) through a separating table (202) to be ground in different stages, and the ground epoxy resin raw materials in the stages are guided into the circulating grinder (4) through the guider (6) so that the raw materials are fed into the material guide pipe (201) again.
2. The preparation device of claim 1, wherein the circulating mill (4) comprises a circulating cylinder (401) fixed on a mounting block (301), a spiral propelling column (402) is arranged in the circulating cylinder (401), one end of the circulating cylinder (401) close to the material guide pipe (201) is provided with a flow guide sleeve (403) connected with the material guide pipe (201), the other end of the circulating cylinder (401) is provided with a raw material feeding sleeve (404), one end of the spiral propelling column (402) penetrates through the flow guide sleeve (403), and the other end of the spiral propelling column (402) is provided with a bulk material agitator (5) for agitating the raw material emulsion at a position corresponding to the raw material feeding sleeve (404).
3. The apparatus for preparing aqueous epoxy resin as claimed in claim 2, wherein the bulk material agitator (5) comprises a belt feeding column (501) connected to an end of the spiral feeding column (402), a plurality of belt feeding grooves (502) are formed on a side wall of the belt feeding column (501) at positions corresponding to the raw material guiding sleeve (404), a spiral stirring column (503) for stirring the raw material emulsion is installed on one end of the belt feeding column (501) far from the spiral feeding column (402), a plurality of soaking holes (504) are formed on an inner wall of the circulation cylinder (401) at positions corresponding to the belt feeding column (501), and a sealing plate (505) is installed on an end of the inner wall of the circulation cylinder (401) far from the spiral stirring column (503).
4. The apparatus for preparing an aqueous epoxy resin according to claim 2, both ends of the rotary grinding sleeve (8) are provided with limit columns (801) connected with the inner wall of the reactor (9), the importer (6) comprises a material guide sleeve (601) which is connected with the inner wall of the reactor (9) and is sleeved on the side wall of the limit column (801), a material guide groove (602) is arranged in the material guide sleeve (601), and a material guiding pipe (603) communicated with the material guiding groove (602) is arranged on the outer side wall of the material guiding sleeve (601), one end of the material guiding pipe (603) far away from the material guiding sleeve (601) is connected with the raw material guiding sleeve (404), the limiting column (801) is provided with a feeding hole (802) which has a V-shaped longitudinal section and is communicated with the guide chute (602), and a guide table (804) for guiding the raw materials into the feeding hole (802) is arranged at the position of the inner wall of the rotary grinding sleeve (8) corresponding to the feeding hole (802).
5. The apparatus for preparing an aqueous epoxy resin according to claim 4, the rotary grinding sleeve (8) comprises two toothed column rotary sleeves (803) which are symmetrical relative to the reactor (9) and are connected with the limiting column (801), a plurality of grinding balls (805) are arranged in the toothed column rotary sleeves (803), an annular hole (806) is formed in the side wall of the toothed column rotating sleeve (803), a material pipe ring sleeve (807) for limiting the material guide pipe (201) is installed at the position, corresponding to the annular hole (806), of the outer side wall of the toothed column rotating sleeve (803), the material guide pipe (201) comprises a connecting ring sleeve (808) which is sleeved in a material pipe ring sleeve (807) and used for limiting the two tooth column rotating sleeves (803), a plurality of material through holes (809) are arranged on the side wall of the connecting ring sleeve (808), and a material through pipe (810) communicated with the flow guide sleeve (403) is arranged on the connecting ring sleeve (808).
6. The preparation device of the water-based epoxy resin as claimed in claim 5, wherein the filter spacer (7) comprises a spacer (701) connected with the inner wall of the toothed column rotating sleeve (803), a fixed column (702) penetrating through the toothed column rotating sleeve (803) and connected with the inner wall of the reactor (9) is installed on the surface of one side of the spacer (701) far away from the separating table (202), a raw material injection hole (703) is opened on the surface of the spacer (701), and a stage spacer (704) with an end surface connected with the spacer (701) is installed on the side wall of the fixed column (702).
7. The apparatus for preparing an aqueous epoxy resin according to claim 6, wherein the partition table (202) comprises two inclined blocks (2021) connected to the inner wall of the reactor (9) and partitioning the two regions formed by the partitions (701), the inclined blocks (2021) have an isosceles trapezoid-shaped longitudinal section, and the two inclined blocks (2021) are symmetrical with respect to the center line of the partitions (701).
8. The preparation device of water-based epoxy resin as claimed in claim 6, wherein the stage spacer (704) comprises an isolation sleeve (7041) sleeved on the side wall of the fixed column (702) and having an end surface connected with the spacer (701), a filtering hole (7042) is formed in the side wall of the isolation sleeve (7041), a pressing plate (7043) connected with the inner wall of the isolation sleeve (7041) and used for crushing raw materials is installed on the side wall of the fixed column (702), a guide sleeve (7044) is connected to one end of the isolation sleeve (7041) far away from the spacer (701), and a guiding filtering hole (7045) is formed in the side wall of the guide sleeve (7044).
9. The apparatus for preparing water-based epoxy resin as claimed in claim 6, wherein the inner wall of the raw material injection hole (703) is provided with a caulking groove (705), and a stop block (706) is connected to the caulking groove (705) through a rotating shaft provided with a torsion spring on the side wall.
10. The apparatus for preparing an aqueous epoxy resin according to claim 3, wherein the height of the belt inlet column (501) has a value larger than the inner diameter of the raw material introduction sleeve (404), and the diameter of the belt inlet column (501) has a value equal to the inner diameter of the circulation cylinder (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010633527.3A CN111774162B (en) | 2020-07-01 | 2020-07-01 | Waterborne epoxy preparation facilities |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010633527.3A CN111774162B (en) | 2020-07-01 | 2020-07-01 | Waterborne epoxy preparation facilities |
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| CN111774162B true CN111774162B (en) | 2021-09-10 |
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| CN110756311A (en) * | 2019-10-14 | 2020-02-07 | 延安大学 | Multistage grinder of chemical material granule |
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| KR101822480B1 (en) * | 2017-05-22 | 2018-03-08 | 유태호 | Method for manufacturing organic fertilizerwithingredient made from waste having enhanced productivity |
| CN107983475A (en) * | 2017-11-06 | 2018-05-04 | 田秀文 | A kind of quick lapping device of ceramic raw material |
| CN208288199U (en) * | 2018-01-24 | 2018-12-28 | 洛阳环锋资源有限公司 | A kind of construction waste efficient pulverizing device |
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Effective date of registration: 20210825 Address after: 246000 south side of the second floor of canteen of Linghu paint Co., Ltd. in Jixian Industrial Park, Daguan District, Anqing City, Anhui Province Applicant after: Anhui Tiansheng New Material Co.,Ltd. Address before: Room 406-a02, 4th floor, 85 shatai South Road, Tianhe District, Guangzhou, Guangdong 510500 Applicant before: Guangzhou Xinjia flooring Engineering Co.,Ltd. |
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