CN118718874B - A two-component color anti-skid road paving paint production device and production process - Google Patents
A two-component color anti-skid road paving paint production device and production process Download PDFInfo
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- CN118718874B CN118718874B CN202411215063.9A CN202411215063A CN118718874B CN 118718874 B CN118718874 B CN 118718874B CN 202411215063 A CN202411215063 A CN 202411215063A CN 118718874 B CN118718874 B CN 118718874B
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- KUIDSTKCJKFHLZ-UHFFFAOYSA-N [4-(prop-2-enoyloxymethyl)cyclohexyl]methyl prop-2-enoate Chemical compound C=CC(=O)OCC1CCC(COC(=O)C=C)CC1 KUIDSTKCJKFHLZ-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/006—Processes utilising sub-atmospheric pressure; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0042—Degasification of liquids modifying the liquid flow
- B01D19/0052—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1868—Stationary reactors having moving elements inside resulting in a loop-type movement
- B01J19/1881—Stationary reactors having moving elements inside resulting in a loop-type movement externally, i.e. the mixture leaving the vessel and subsequently re-entering it
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Degasification And Air Bubble Elimination (AREA)
Abstract
The invention relates to the technical field of production of paving paint of color protection roads, in particular to a production device and a production process of a bi-component color anti-slip paving paint, wherein the production device comprises a reaction kettle, a lifting device, a compression air bag, a foam scraping device and an exhaust device, during the production process, A, B components are all utilized to enable gas in a mixture to be rapidly released to a liquid surface by utilizing a negative pressure technology, meanwhile, the gas is more rapidly released from the inside of the mixture by being matched with the flowing dispersion of a screw extrusion device, then the bubbles on the liquid surface are collected and transferred in a scraping mode, and finally the concentrated bubbles are crushed and released in a mechanical pressurizing crushing mode, so that rapid, efficient and green defoaming treatment is achieved.
Description
Technical Field
The invention relates to the technical field of production of paving paint for colored protection roads, in particular to a device and a process for producing a two-component colored anti-slip paving paint.
Background
The green environment-friendly color anti-skid pavement paint is a paint with special performance and environmental protection.
The main advantages of such a coating include:
1. Environmental protection, the formula of the low-volatility organic compound is generally adopted, so that the potential harm to the environment and human health is reduced.
2. The anti-skid performance can effectively increase the friction force of the road surface and improve the driving safety of pedestrians and vehicles on the road.
3. The color is rich, various bright colors can be prepared according to the requirements, and the functions of beautifying the road environment and improving the traffic sign are achieved.
4. The durability is that the wear-resistant, weather-resistant and chemical corrosion-resistant performance is good, and the performance and the appearance can be kept for a long time.
In application, the novel pavement is widely applied to places such as urban roads, highways, bike ways, sidewalks and the like. The construction process is relatively simple.
However, in the process of production and preparation of the existing green environment-friendly color anti-slip pavement coating, the content of liquid bubbles needs to be reduced as much as possible, and a large amount of liquid bubbles can cause the adhesion performance of the coating and the pavement to be greatly reduced, so that the service life of the coating is influenced.
In China patent No. 2020116320541, an anti-stripping environment-friendly color anti-skid pavement and a preparation method thereof are disclosed, wherein stirring is limited in the preparation process, and vacuum treatment is carried out under constant temperature and constant speed until no vacuoles are generated.
In the chinese patent with the patent application number 2024104012035, a raw material stirring device for paint coating production is disclosed, when stirring the mixture to the material, rise through driving piece drive staving, can make the inside of outer staving form a negative pressure environment, in the material follow the in-process of flowing between staving and the outer staving in the last direction of interior staving, because the space that the vacuole distance breaks away from the material is very little this moment, the negative pressure environment can make the upward movement of this in-process vacuole break more smooth and easy, thereby make the efficiency that eliminates the vacuole higher, along with the follow-up rupture of vacuole, the negative pressure environment in the outer staving can disappear.
Although the negative pressure exhaust gas can eliminate the vacuoles in the materials faster and more actively than the common stirring treatment, when the paving paint is prepared, the paving paint has adhesiveness, and the effect of breaking the vacuoles by adopting the technical scheme of negative pressure exhaust is not ideal.
Therefore, there is a need for an efficient and environmentally friendly de-bubbling method that can be improved on the basis of negative pressure exhaust and is suitable for the preparation of color environmentally friendly two-component paving coatings.
Disclosure of Invention
Aiming at the problems, the invention provides a production device and a production process of a bi-component color anti-slip pavement coating, wherein the internal air pressure of a reaction cavity is regulated by a compression air bag, a lifting device is matched for spreading and flowing exhaust of a mixture, a foam scraper is utilized for scraping and collecting overflowed foam, and a vent device is utilized for carrying out concentrated foam breaking and exhausting treatment, so that the purpose of mechanically breaking foam is achieved, the purpose of removing gas in foam and retaining liquid is achieved, the overall foam removing effect is excellent, the foam removing efficiency is high, a chemical defoaming agent is not needed, and the device is environment-friendly.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the device for producing the bi-component color anti-skid pavement coating comprises a reaction kettle, wherein a reaction cavity is arranged in the reaction kettle, and an inner bin and an outer bin are respectively arranged in the reaction cavity;
The color antiskid pavement coating production device also comprises a lifting device, a compression air bag, a foam scraper and an exhaust device;
The lifting device is arranged at the center of the inner bin and lifts the mixture at the bottom of the inner bin to the position of the diversion fin at the top of the inner bin, so that the mixture flows and exhausts in a flat mode;
The compression air bag is arranged at the top of the reaction kettle, and the compression air bag expands and contracts to adjust the air pressure in the reaction cavity;
the foam scraping device is arranged at the top of the inner bin, and the foam scraping device scrapes the liquid foam on the liquid level of the inner bin and transfers the liquid foam to the bottom of the outer bin;
The exhaust device is arranged on the outer side wall of the reaction kettle, the exhaust device is communicated with the bottom of the outer bin and the top of the inner bin, and after the exhaust device sucks liquid bubbles, the exhaust device performs mechanical bubble breaking treatment to remove gas and then circularly conveys the liquid mixture back to the inner bin.
As an improvement, a plurality of stirring paddles for rotating stirring are arranged in the inner bin, and the stirring paddles are arranged around the circumference of the central axis of the inner bin at equal intervals.
As an improvement, the lifting device is of a spiral lifting structure and comprises an external lifting cylinder and an internal spiral lifting blade which is rotatably arranged.
As an improvement, the flow dividing fin is arranged in an inclined circular ring, and fins are arranged on the outer end face of the flow dividing fin.
As an improvement, the top of the inner bin is provided with a rotary drum which rotates, a plurality of groups of foam scraping devices are arranged in a circumferential array manner and are arranged on the annular direction of the rotary drum, and the foam scraping devices synchronously rotate along with the rotary drum.
As an improvement, the foam scrapping device comprises a communicating pipe and foam scrapping paddles;
The communicating pipe is arranged along the radial direction of the rotary cylinder, an opening for accommodating the entry of the liquid bubbles is formed in the end part of the communicating pipe positioned in the rotary cylinder, and a liquid outlet for discharging the liquid bubbles is formed in a bottom plate of the end part of the communicating pipe positioned outside the rotary cylinder;
the foam scraping blade is rotatably arranged in the communicating pipe, and the foam scraping blade automatically rotates to scrape the liquid foam from the opening.
As an improvement, the exhaust device comprises a circulating pipe, a circulating pump and a mechanical bubble breaking assembly;
the circulating pipe is communicated with the bottom of the outer bin and the top of the reaction cavity;
the circulating pump sucks liquid bubbles at the bottom of the outer bin through the circulating pipe;
The mechanical bubble breaking assembly is arranged on a path of pumped circulation of the liquid bubbles and used for breaking and exhausting the liquid bubbles.
As an improvement, the mechanical foam breaking assembly comprises a foam breaking box, foam breaking paddles and an exhaust valve;
The foam breaking box is arranged on the circulating pipe, the foam breaking blade is rotatably arranged in the foam breaking box, and broken foam holes are uniformly distributed on the blades of the foam breaking blade;
The exhaust valve is arranged at the top of the foam breaking box and is a one-way valve for exhausting gas generated in the foam breaking box.
As an improvement, a liquid distributor assembly is arranged at the end part of the circulating pipe communicated with the top of the reaction cavity, and the liquid distributor assembly distributes liquid generated after the breaking of the liquid bubbles to the distributing fins.
In addition, the invention also provides a production process based on the production device of the two-component color anti-slip pavement coating, and the A component and the B component in the two-component color anti-slip pavement coating are mechanically defoamed by adopting the production device of the two-component color anti-slip pavement coating when being produced.
The invention has the beneficial effects that:
(1) According to the invention, in the preparation process of paving paint A, B components, a negative pressure technology is utilized to enable gas in the mixture to be rapidly released to the liquid level in the preparation process, meanwhile, the bubbles are more rapidly released from the inside of the mixture by being matched with the flow dispersion of a lifting device, then, the bubbles on the liquid level are collected and transferred in a scraping manner, and finally, concentrated bubbles are crushed and released in a mechanical pressurizing and crushing manner, so that rapid, efficient and green defoaming treatment is achieved;
(2) According to the invention, the component A and the component B are subjected to rapid defoaming treatment in a mechanical defoaming mode, so that the defoaming speed and the defoaming efficiency are better than those of the traditional mechanical defoaming, and the gas generated in the defoaming process is directly discharged to the outside of the outer bin through the exhaust valve at the top of the foam breaking box, so that the mixture in the outer bin is not influenced, and the quality of the produced paving paint is more excellent;
(3) According to the invention, when the liquid bubbles on the liquid level of the inner bin are scraped and collected from the inner bin to the outer bin by the bubble scraper, the mixture in the inner bin is still rotationally stirred, and vortex generated by the rotational stirring is lifted and dispersed by the lifting device more smoothly, so that the mixture can be quickly tiled, the up-and-down flow exchange of the mixture is realized, the gas in the mixture is more quickly dispersed, and the gas removal efficiency is improved;
(4) According to the invention, the liquid separator assembly is arranged at the discharge end of the circulating pipe, reactants circulated by the circulating pipe are uniformly dispersed by the liquid separator assembly, meanwhile, when materials of the component A or the component B are mixed, the mixture can be added dropwise by matching the exhaust device and the liquid separator assembly, and meanwhile, the uniform mixing of the materials of the components can be realized.
In conclusion, the invention has the advantages of high defoaming efficiency, high speed, environment-friendly prepared paving paint, uniform mixing and dispersion of the components, high quality of the paving paint and the like, and is particularly suitable for the technical field of the production of the paving paint related to color protection roads.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional structure of a reaction kettle of the invention;
FIG. 2 is a schematic diagram of a cross-sectional structure of a reaction kettle according to the present invention;
FIG. 3 shows a reaction vessel according to the present invention a second cross-sectional structural diagram;
FIG. 4 is a schematic perspective view of a lifting device according to the present invention;
FIG. 5 is a schematic elevational view of the propeller blade of the present invention;
FIG. 6 is a schematic diagram of a partial structure of a reaction kettle according to the invention;
FIG. 7 is a schematic perspective view of a rotary drum according to the present invention;
FIG. 8 is a schematic perspective view of a rotary drum according to a second embodiment of the present invention;
FIG. 9 is an enlarged schematic view of the structure of FIG. 7A;
FIG. 10 is a schematic perspective view of a foam scraping blade of the present invention;
FIG. 11 is a schematic perspective view of an exhaust apparatus according to the present invention;
FIG. 12 is an enlarged schematic view of the structure of FIG. 11B;
FIG. 13 is a schematic perspective view of a foam breaking blade according to the present invention;
FIG. 14 is a schematic view of a partial structure of a crushing blade according to the present invention;
FIG. 15 is a schematic side view of a dispenser assembly of the present invention;
FIG. 16 is a schematic perspective view of a dispenser assembly according to the invention;
FIG. 17 is a schematic diagram of the production process of the present invention.
In the figure, a reaction kettle 1, a middle shaft 10, a reaction cavity 100, an inner bin 11, a rotary cylinder 111, a first gear ring 112, a second gear ring 113, a stirring paddle 114, an outer bin 12, a lifting device 3, a flow dividing fin 30, a lifting cylinder 31, a notch 311, a feed inlet 312, a screw lifting blade 32, a compression air bag 4, a foam scraper 5, a communicating pipe 51, an opening 511, a liquid outlet 512, a foam scraping blade 52, a rotary gear 53, a third gear ring 54, an exhaust device 6, a circulating pipe 61, a circulating pump 62, a mechanical foam breaking assembly 63, a pressure gauge 630, a foam breaking box 631, a foam breaking blade 632, a foam breaking motor 633, an exhaust valve 634, an exhaust thimble 635, a foam breaking hole 636, a liquid distributor assembly 65, a circular ring transfusion head 651, a main pipe 6511, a liquid outlet 6512, a liquid distributing wheel 6513 and a rotary liquid distributing disc 652 are shown.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1:
1-6, a bi-component color anti-slip pavement paint production device comprises a reaction kettle 1, wherein a reaction cavity 100 is arranged in the reaction kettle 1, and an inner bin 11 and an outer bin 12 are respectively arranged in the reaction cavity 100;
The device for producing the color anti-skid pavement paint also comprises a lifting device 3, a compression air bag 4, a foam scraper 5 and an exhaust device 6;
The lifting device 3 is arranged at the center of the inner bin 11, and the lifting device 3 lifts the mixture at the bottom of the inner bin 11 to the position of the flow dividing fin 30 at the top of the inner bin 11 for spreading, flowing and exhausting;
the compression air bag 4 is arranged at the top of the reaction kettle 1, and the compression air bag 4 expands and contracts to adjust the air pressure in the reaction cavity 100;
the foam scraping device 5 is arranged at the top of the inner bin 11, and the foam scraping device 5 scrapes the liquid foam on the liquid level of the inner bin 11 and transfers the liquid foam to the bottom of the outer bin 12;
The exhaust device 6 is installed on the outer side wall of the reaction kettle 1, the exhaust device 6 is communicated with the bottom of the outer bin 12 and the top of the inner bin 11, and after the exhaust device 6 sucks liquid bubbles, mechanical bubble breaking treatment is performed to remove gas, and then the liquid mixture is circularly conveyed back to the inner bin 11.
The lifting device 3 comprises a lifting cylinder 31 and a screw lifting blade 32;
As shown in fig. 4, the lifting cylinder 31 is fixedly installed at the central shaft of the inner bin 11, a notch 311 is formed at the lower edge of the lifting cylinder 31, the notch 311 is matched with the bottom of the inner bin 11 to form a feed inlet 312, the mixture enters the lifting cylinder 31 from the feed inlet 312, the flow dividing fins 30 are installed at the upper edge of the lifting cylinder 31, the flow dividing fins 30 are slightly higher than the top of the lifting cylinder 31, the lifting cylinder 31 is slightly higher than the height of the liquid level in the inner bin 11, and the flow dividing fins 30 and the lifting cylinder 31 are both made of corrosion-resistant, high-temperature-resistant and smooth-surface ceramic materials;
Screw lift paddle 32 rotate install in the lift cylinder 31, this screw lift paddle 32 adopts corrosion-resistant, high temperature resistant iron-based alloy material preparation, and this screw lift paddle 32 passes through motor 33 that reation kettle 1 top set up drives and rotates, and forms helical groove 321 between this screw lift paddle 32 and the lateral wall of lift cylinder 31, screw lift paddle 32 is rotatory for the mixture is through the continuous upwards extrusion of helical groove 321, disperses through the reposition of redundant personnel fin 30, because reposition of redundant personnel fin 30 can be with the thin tiling one deck of mixture, consequently, makes the inside gas of mixture overflow more easily and forms the vacuole.
Further, the split fins 30 are arranged in an inclined ring, a plurality of groups of fins 301 are arranged on the outer end face of the split fins 30, the fins 301 are arranged along the inclined direction of the split fins 30, and the purpose of the arrangement of the fins 301 is to enable the mixture to be gradually thinned along the fan-shaped area when the mixture is spread.
In addition, as shown in fig. 6-8, the top of the inner bin 11 is rotatably provided with a rotary drum 111, the lower end of the rotary drum 111 is provided with a groove, the groove is just in penetrating fit with the upper edge of the inner bin 11, so that the rotary drum 111 is erected on the top of the inner bin 11, the outer ring of the rotary drum 111 is provided with a ring plate, the edge of the ring plate is just in fit with the inner side wall of the outer bin 12, so that the rotary drum 111 can rotate on the top of the inner bin 11, and meanwhile, the rotary drum 111 just separates the outer bin 12 from the inner bin 11.
The rotary cylinder 111 is driven by the first gear ring 112 arranged at the top and the transfer gear 101 at the lower end of the transfer gear 10, while the top of the transfer gear 10 is connected with the screw lift blade 32 by the gear set 102, so that the rotary cylinder 111 rotates synchronously with the screw lift blade 32, the circumferential array is arranged and installed on the annular direction of the rotary cylinder 111, and the rotary cylinder 111 rotates around the screw lift blade 32 to scrape the liquid surface on the liquid surface of the inner bin 11.
The second gear ring 113 that the bottom of rotary cylinder 111 set up with install in the gear drive at the stirring rake 114 top in the interior storehouse 11 is connected, stirring rake 114 is around the central axis circumference equidistance of interior storehouse 11 is arranged and is provided with a plurality of groups, and this stirring rake 114 is all installed on the inside wall of interior storehouse 11 through the connecting piece rotation, and this stirring rake 114 is all along with the rotation of rotary cylinder 111 carries out rotatory stirring, and the rotation of stirring rake 114 just makes in the mixture between interior storehouse 11 and the hoist cylinder 31 enters into hoist cylinder 31 to the ability that screw lifting blade 32 promoted the mixture has been strengthened.
Example 2:
Example 2 of the present invention is described with reference to example 1, differing from example 1 in that:
as shown in fig. 7 to 10, the foam scraper 5 includes a communicating pipe 51, a foam scraping blade 52, and a rotating gear 53;
The communicating pipe 51 is disposed along the radial direction of the rotary cylinder 111, an opening 511 is provided on the side wall of the end portion of the communicating pipe 51 located in the rotary cylinder 111, a liquid outlet 512 is provided on the bottom plate of the end portion of the communicating pipe 51 located outside the rotary cylinder 111, the liquid bubbles on the liquid surface in the inner bin 11 enter the communicating pipe 51 through the opening 511, and are discharged to the outer bin 12 through the liquid outlet 512, the bottom plate of the communicating pipe 51 is slightly lower than the liquid surface of the inner bin 11, so that the liquid bubbles can be scraped into the inner bin 11, and when the rotary cylinder 111 rotates, the communicating pipe 51 is preferably driven to rotate toward the side provided with the opening 511;
The foam scraping blade 52 is rotatably mounted in the communicating pipe 51, when the foam scraping blade 52 rotates, the foam is continuously scraped into the communicating pipe 51 by rotating the foam at the opening 511, and the foam entering the communicating pipe 51 is just blocked from escaping from the communicating pipe 51 again due to the continuous rotation of the foam scraping blade 52, so that the foam continuously enters the liquid outlet 512 and is discharged through the continuous self-rotation of the foam scraping blade 52;
The rotating gear 53 is rotatably mounted on the rotating shaft of the foam scraping blade 52, the rotating gear 53 is located above the liquid outlet 512, the rotating gear 53 is meshed with the third gear ring 54 fixedly mounted on the edge of the rotating cylinder 111, when the rotating cylinder 111 rotates, the foam scraping blade 52 is driven to rotate automatically through the cooperation of the rotating gear 53 and the third gear ring 54, and when the foam scraping blade 52 rotates automatically, the foam scraping blade rotates from top to bottom, and liquid bubbles on the liquid level are scraped into the communicating pipe 51.
Example 3:
Example 3 of the present invention is described with reference to examples 1-2, differing from examples 1-2 in that:
as shown in fig. 11 to 14, the exhaust device 6 includes a circulation pipe 61, a circulation pump 62, and a mechanical bubble breaking assembly 63;
The circulating pipe 61 is communicated with the top and the bottom of the outer bin 12, and the liquid bubbles at the bottom of the outer bin 12 are sucked through the circulating pipe 61;
The circulating pump 62 is installed on the circulating pipe 61, and the circulating pump 62 sucks the liquid bubbles at the bottom of the outer bin 12 through the circulating pipe 61;
The mechanical bubble breaking assembly 63 is mounted on the circulation pipe 61 from the circulation pump 62 to the bottom of the outer bin 12, and the mechanical bubble breaking assembly 63 is disposed lower than the circulation pump 62.
Further, the mechanical foam breaking assembly 63 includes a foam breaking box 631, a foam breaking blade 632, a foam breaking motor 633, an exhaust valve 634, an exhaust thimble 635, and a pressure gauge 630;
The foam breaking box 631 is mounted on the circulation pipe 61, the foam breaking blade 632 is rotatably mounted in the foam breaking box 631, foam breaking holes 636 are uniformly distributed on the blades of the foam breaking blade 632, and a foam breaking motor 633 for driving the foam breaking blade 632 to rotate is mounted at the top of the foam breaking box 631;
The exhaust valve 634 is installed at the top of the bubble breaking box 631, and the exhaust valve 634 is a one-way valve;
the exhaust thimble 635 is vertically arranged at the top of the exhaust valve 634, the exhaust thimble 635 is inserted into the exhaust valve 634, and the exhaust valve 634 is opened for exhaust;
The pressure gauge 630 is installed on the bubble breaking box 631, and the pressure gauge 630 detects the air pressure in the bubble breaking box 631 and controls the air exhaust ejector 635 to open the air exhaust valve 634.
The circulation pump 62 pumps the liquid bubbles at the bottom of the outer bin 12 through the circulation pipe 61, so that the liquid bubbles enter the bubble crushing box 631, as the connection part of the circulation pipe 61 communicated with the outer bin 12 by the bubble crushing box 631 is positioned at the top of the bubble crushing box 631, and the circulation pipe 61 communicated with the circulation pump 62 and the bubble crushing box 631 is positioned at the bottom, the liquid bubbles entering the bubble crushing box 631 are firstly mechanically crushed by the bubble crushing blades 632, then the gas is released, the gas is positioned at the upper layer of the bubble crushing box 631, the lower layer is a liquid mixture, the mixture returns to the inner bin 11 through the circulation pipe 61 by the circulation pump 62, the gas is continuously accumulated, the gas pressure measured by the pressure gauge 630 is increased along with the continuous increase of the gas accumulation amount until the pressure measured by the pressure gauge 630 reaches a preset value, the gas core of the gas outlet needle 635 is manually or electrically controlled by the lifting cylinder to press the valve 634, so that the gas outlet valve 634 is opened, and the accumulated gas in the bubble crushing box 631 is discharged outwards from the gas outlet valve 634.
It should be emphasized here that the horizontal position of the mechanical bubble breaking assembly 63 of the present invention is lower than the circulation pump 62, and in the bubble breaking box 631, bubbles are conveyed to the inside and then are rapidly broken by the bubble breaking blades 632, so that air in the bubbles is discharged, and the bubble breaking box 631 is further provided with a pipeline communicated with the inner bin 11 to convey the initial liquid mixture in the bubble breaking box 631, and in the bubble breaking process, the liquid mixture in the bubble breaking box 631 is replenished, so that part of the liquid mixture is always remained in the bubble breaking box 631, and cavitation of the circulation pump 62 can be avoided and normal operation of the circulation pump 62 can be maintained in the working process.
Moreover, the external of the mechanical foam breaking assembly 63 prevents the negative pressure in the outer bin 12 from being influenced by the broken vacuoles, so that the outer bin 12 can continuously keep the overflow of the gas, and the gas impurities in the mixture are removed more thoroughly.
Example 4:
Example 4 of the present invention is described with reference to examples 1 to 3, differing from examples 1 to 3 in that:
15-16, a dispenser assembly 65 is arranged at the top of the circulating pipe 61 communicated with the outer bin 12, and the dispenser assembly 65 comprises a circular ring transfusion head 651 and a rotary liquid-dividing disc 652;
The circular transfusion head 651 is fixedly arranged around the screw lifting blade 32, the circular transfusion head 651 comprises a main pipe 6511, liquid discharge nozzles 6512 and liquid distribution wheels 6513, the main pipe 6511 is arranged in a circular ring shape, the main pipe 6511 is communicated with the circulating pipe 61, a plurality of liquid discharge nozzles 6512 are arranged in an equidistant manner along a circular path of the main pipe 6511, the liquid discharge nozzles 6512 are all inclined from the main pipe 6511 to the center of the main pipe 6511, the liquid distribution wheels 6513 are arranged at the center of the main pipe 6511, liquid receiving holes 6514 which are arranged in one-to-one correspondence with the liquid discharge nozzles 6512 are arranged on the circumferential side wall of the liquid distribution wheels 6513, the liquid receiving holes 6514 receive the mixture output by the liquid discharge nozzles 6512 and guide the mixture to the center of the liquid distribution wheels 6513, and the mixture is discharged to a liquid distribution disc 652 through holes at the bottom of the liquid distribution wheels 6513;
The rotating liquid-separating disc 652 is arranged in an inclined annular shape, the rotating liquid-separating disc 652 is mounted on the screw lifting blade 32, the rotating liquid-separating disc 652 is arranged along with the screw lifting blade 32 to rotate synchronously, the rotating liquid-separating disc 652 is located below the liquid-separating wheel 6513, and the rotating liquid-separating disc 652 rotates to disperse the mixture output by the liquid-separating wheel 6513.
It should be noted that, through the dispersion setting of knockout subassembly 65, can be with the even dispersion of the material of input, and rotate the outer border of knockout dish 652 again with the reposition of redundant personnel fin 30 link up the setting, rotate the material that knockout dish 652 disperses and just fall in the uppermost of reposition of redundant personnel fin 30, along the slope of reposition of redundant personnel fin 30, the material just carries out the homogeneous mixing, when preparing A, B components, to the preparation of mixture, can play fine effect of homogeneous mixing ratio, and when garrulous bubble, the mixture after garrulous bubble can also be through the fine homogeneous dispersion of knockout subassembly 65 in the interior storehouse 11.
Example 5:
As shown in fig. 17, a process for producing a two-component color anti-slip pavement coating according to embodiment 5 of the present invention is described with reference to examples 1 to 4, comprising the steps of:
the preparation steps of the component A are as follows:
a1, adding 30-60 parts of methyl methacrylate monomer, 10-30 parts of functional acrylate monomer and 1-2 parts of flatting agent according to the proportion, and adding 1-2 parts of dispersing agent into a corresponding reaction kettle 1 for preparing the component A, wherein the stirring speed is 800-1000rpm, stirring for 15-25min, heating to 65-70 ℃, stirring for 10-15min, heating to 80-100 ℃, stirring at 1000rpm and stirring for 30-60min;
a2, adding 10-20 parts of pigment, 1-2 parts of compatilizer and 1-2 parts of dispersing agent into the reaction kettle 1 according to the proportion, cooling to 65-70 ℃, stirring at 1500rpm, and standing for 50-60min after stirring for 20-30 min;
a3, adding 0.5-2 parts of antioxidant and 0.5-1.5 parts of accelerator into the reaction kettle 1 according to the proportion, stirring at 1500rpm for 15-20min, and cooling to below 35 ℃ to obtain a component A of the pavement coating;
the preparation steps of the component B are as follows:
b1, adding 30-60 parts of methyl methacrylate monomer, 10-30 parts of functional acrylate monomer and 1-2 parts of flatting agent according to the proportion, and adding 1-2 parts of dispersing agent into a corresponding reaction kettle 1 for preparing the component B, wherein the stirring speed is 800-1000rpm, stirring for 15-25min, heating to 65-70 ℃, stirring for 10-15min, heating to 80-100 ℃, stirring at 1000rpm, and stirring for 30-60min;
b2, adding 5-15 parts of curing agent into the reaction kettle 1 according to the proportion, stirring at 1500rpm for 15-25min;
b3, adding 0.5-2 parts of antioxidant into the reaction kettle 1 according to the proportion, stirring at 1500rpm for 15-20min, and cooling to below 35 ℃ to obtain a component B of the pavement coating;
The functional acrylate monomer is preferably one or more of isotridecyl acrylate, 1, 4-cyclohexanedimethanol diacrylate, ethoxyethoxy ethyl acrylate, 1, 6-hexanediol dimethacrylate and 2-propoxylated neopentyl glycol diacrylate, the antioxidant is preferably one or more of antioxidant 1010, antioxidant 168 and antioxidant 1076, the leveling agent is preferably organically modified polydimethylsiloxane, the compatilizer is preferably a silane coupling agent, the dispersing agent is preferably a surfactant, such as sodium dodecyl sulfate, polyether silicone oil and the like, the curing agent is preferably one or more of dibenzoyl peroxide, dicumyl peroxide, tert-butyl peroxide, cyclohexanone peroxide and methyl ethyl ketone peroxide, and the accelerator is preferably one or more of N, N-dimethyl para-methylaniline, cobalt isooctanoate, cobalt naphtalate and cobalt naphthenate;
methyl methacrylate monomer is purchased from China petrochemical industry, functional acrylate monomer is purchased from Hangzhou Huiyun chemical industry Co., ltd, pigment is purchased from Jiangsu chemical industry Co., ltd, leveling agent is purchased from Zhejiang Xin An chemical industry Co., ltd, antioxidant is purchased from Jiangsu Ruipu biological technology Co., ltd, compatilizer is purchased from China petrochemical industry Co., ltd, dispersant is purchased from Shandong Hai Lide biotechnology Co., shanghai Jiafeng industry Co., ltd, curing agent is purchased from Zhejiang province Taizhou, and accelerator is purchased from Nanjing Nede New material technology Co., ltd;
the steps a1 and a2 and the steps b1 and b2 adopt mechanical defoaming treatment, and the mechanical defoaming treatment steps comprise:
c1, the mixture to be debubbled is spirally and upwards conveyed through a lifting device 3 in the reaction kettle 1, so that the mixture is upwards conveyed to the top of the inner bin 11 from the bottom of the inner bin 11 of the reaction kettle 1, and the mixture flows and disperses obliquely downwards from a diversion fin 30 at the top of the lifting device 3, so that the mixture can form a thin material layer on the diversion fin 30, and further gas in the mixture can rapidly diffuse on the surface of the material layer to form liquid bubbles, and the liquid bubbles are retained on the liquid surface at the top of the inner bin 11 in the process of gradually downwards flowing along the diversion fin 30 due to the fact that the gas forms the liquid bubbles on the material layer;
c2, in synchronization with step c1, the compression air bag 4 arranged at the top of the reaction kettle 1 stretches to form negative pressure in the reaction kettle 1, the gas in the mixture flowing and dispersing on the diversion fins 30 floats on the surface of the mixture in the form of liquid bubbles, and because the reaction kettle 1 is subjected to vacuumizing treatment in the beginning, the compression air bag 4 can smoothly form negative pressure in the reaction kettle 1 after stretching, so that the gas rapidly overflows from the mixture to form liquid bubbles on the liquid surface to form liquid bubbles, the compression air bag 4 drives compression or stretching through a cylinder arranged at the top of the outer bin 12, the bottom of the compression air bag 4 is communicated with the outer bin 12, and at least one group of compression air bags 4 is arranged, and because the reaction kettle 1 is subjected to vacuumizing treatment, the atmospheric pressure received outside the compression air bag 4 is large, and the compression air bag 4 can be driven to stretch and compress through a metal corrugated pipeline which can be compressed and stretched and is arranged in a sealing way, and has certain rigidity when having the compression characteristics, and is not deformed by the atmosphere, and is communicated with the outer bin 11 after being compressed, the compression air bag 4 is not deformed, and is communicated with the outer bin 11, and the negative pressure is not deformed, and the compression air bag 4 is further communicated with the outer bin is formed;
c3, enabling the mixture to flow onto the liquid surface between the inner bin 11 and the lifting device 3 along the flow dividing fins 30, scraping bubbles on the liquid surface by the bubble scraper 5 which is rotatably arranged on the liquid surface, enabling the bubbles to be transferred between the outer bin 12 and the inner bin 11 of the reaction kettle 1, gradually scraping the bubbles on the liquid surface of the inner bin 11 into the bubble scraper 5 when the bubble scraper 5 works, and enabling the bubbles to be concentrated into a space between the outer bin 12 and the inner bin 11 by the bubble scraper 5;
And c4, an exhaust device 6 is arranged outside the reaction kettle 1, liquid bubbles between the outer bin 12 and the inner bin 11 are pumped and circulated from the bottom of the outer bin 12 to the top of the outer bin 12 and discharged into the inner bin 11, in the circulating flow process, liquid bubbles are broken through mechanical extrusion, gas is discharged, and after the liquid bubbles are concentrated, the liquid bubbles also contain a mixture, so that the liquid bubbles are pumped through the exhaust device 6 and then concentrated to be subjected to mechanical breaking treatment, the gas is released after the liquid bubbles are broken, the reserved liquid is recycled to the inner bin 11 through the exhaust device 6 for internal reference and preparation, and the prepared A component or B component material is discharged through a discharge pipe at the bottom of the inner bin 11, and the discharge pipe extends out of the outer bin 12.
According to the measurement of the release amount of volatile organic compounds in paint (GB/T37884-2019), the gas residue of the mixture after mechanical defoam treatment according to the invention and the mixture after the existing mechanical defoam treatment and chemical defoam treatment is measured, and the measurement results are shown in the following table one:
List one
As can be seen from the table one, the gas residual quantity of the mixture after mechanical defoaming treatment is far smaller than that of the mixture after the traditional mechanical defoaming treatment and is very similar to that of the mixture after chemical defoaming treatment, so that the mechanical defoaming treatment technology is far better than the traditional mechanical defoaming treatment technology, and meanwhile, the chemical defoaming treatment technology effect is similar, and meanwhile, the use of chemical defoaming agents can be reduced, so that the mechanical defoaming treatment technology is more environment-friendly and green.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (1)
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| CN206121740U (en) * | 2016-09-12 | 2017-04-26 | 江西隆源化工股份有限公司 | But experimental reaction unit that uses of pigment of defoaming preparation |
| CN214082233U (en) * | 2020-12-26 | 2021-08-31 | 昇英新材料科技(常州)有限责任公司 | Raw materials compounding system is used in cotton production of polyurethane |
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| GB469058A (en) * | 1935-06-14 | 1937-07-19 | Johan Olof Naucler | Improvements relating to methods and apparatus for destroying or quenching froth produced in the manufacture of yeast and like processes |
| DE2059931C3 (en) * | 1970-12-05 | 1973-10-18 | Knapsack Ag, 5033 Huerth-Knapsack | Method for preventing foam eruptions from closed reaction spaces |
| US5248613A (en) * | 1991-07-08 | 1993-09-28 | Roubicek Rudolf V | Nonhomogeneous centrifugal film bioreactor |
| JP4967586B2 (en) * | 2006-10-13 | 2012-07-04 | 株式会社Ｉｈｉ | Wastewater treatment equipment |
| CN111249952B (en) * | 2020-02-19 | 2020-11-24 | 浙江天诚交通科技股份有限公司 | Double-component colored anti-slip primer production equipment and process |
| CN112791684A (en) * | 2020-12-31 | 2021-05-14 | 重庆市佰恒科技有限公司 | Defoaming chemical industry retort |
| CN216321760U (en) * | 2021-10-19 | 2022-04-19 | 东营平明医药科技有限公司 | Pressure device for refining 2-mercaptobenzothiazole |
| CN217830014U (en) * | 2022-07-21 | 2022-11-18 | 弈柯莱生物科技(重庆)有限公司 | Gas-liquid material mixing injection system |
| CN117101188A (en) * | 2023-07-31 | 2023-11-24 | 江苏大学 | A glue screen film centrifugal deaeration device for motor potting |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206121740U (en) * | 2016-09-12 | 2017-04-26 | 江西隆源化工股份有限公司 | But experimental reaction unit that uses of pigment of defoaming preparation |
| CN214082233U (en) * | 2020-12-26 | 2021-08-31 | 昇英新材料科技(常州)有限责任公司 | Raw materials compounding system is used in cotton production of polyurethane |
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