CN115029036B - Preparation method and preparation device of anti-radiation heat-insulation coating for outer wall of storage tank - Google Patents
Preparation method and preparation device of anti-radiation heat-insulation coating for outer wall of storage tank Download PDFInfo
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- CN115029036B CN115029036B CN202210679527.6A CN202210679527A CN115029036B CN 115029036 B CN115029036 B CN 115029036B CN 202210679527 A CN202210679527 A CN 202210679527A CN 115029036 B CN115029036 B CN 115029036B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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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
- B01F33/50—Movable or transportable mixing devices or plants
- B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
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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
- B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
- B01F33/8361—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating
- B01F33/83613—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating by grinding or milling
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/004—Reflecting paints; Signal paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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Abstract
The invention relates to the technical field of preparation of radiation-proof heat-insulating paint, in particular to a preparation method and a preparation device of radiation-proof heat-insulating paint for the outer wall of a storage tank, wherein the preparation method adopts the same preparation device to prepare heat-insulating primer paint and heat-insulating surface paint, and the particle size of hollow microspheres in the heat-insulating primer paint prepared by the preparation device is larger than that of hollow microspheres in the heat-insulating surface paint; the preparation process disclosed by the invention is matched with a preparation device, so that the coating containing the cenospheres meeting the particle size requirement can be timely and effectively separated, and the problem that the heat insulation effect of the coating is influenced because the particle size of the cenospheres is changed when the cenospheres and other materials are simply mixed in the existing preparation process is further effectively solved; and the corresponding products are defoamed, so that the quality of the produced heat-insulating primer coating and the heat-insulating surface coating and the using effects of the heat-insulating primer coating and the heat-insulating surface coating are greatly improved.
Description
Technical Field
The invention relates to the technical field of preparation of radiation-proof heat-insulating paint, in particular to a preparation method and a preparation device of radiation-proof heat-insulating paint for the outer wall of a storage tank.
Background
The anti-radiation heat-insulating paint for the outer wall of the storage tank is widely applied to volatile substances such as natural gas and methane storage tanks and oil storage tanks, and has the main functions of reducing the surface temperature of the tank body and preventing gas from volatilizing. The heat convection and the heat conduction are prevented, the heat radiation is reduced, and the traditional sprinkling cooling method is replaced, so that the surface temperature of the tank body is reduced, and the volatilization of gas and liquid in the tank is reduced; the existing coating processing technology mainly comprises the steps of pre-dispersion, grinding and stirring generation of resin adhesive, configuration, filtration, packaging and the like, wherein the grinding and stirring generation of the resin adhesive is the most important step in coating processing, and the uniformity degree of grinding and stirring directly influences the quality of the prepared coating.
The heat insulation coating generally comprises a heat insulation bottom coating and a heat insulation surface coating, and the main difference between the heat insulation bottom coating and the heat insulation surface coating is that the hollow microspheres added in the production process have different particle sizes, the mesh number of the hollow microspheres added in the heat insulation bottom coating is generally 325-400 meshes, and the hollow microspheres with larger particle sizes can increase the thickness of a coating so as to improve the reflective heat insulation effect of the coating; the mesh number of the hollow microspheres added into the heat-insulating surface layer coating is generally 800-1250 meshes, and the hollow microspheres with smaller particle sizes ensure that the heat-insulating surface layer not only has higher sunlight reflectivity, but also has certain surface decoration.
In the actual preparation process of the heat-insulating primer coating and the heat-insulating surface coating, the cenospheres with corresponding particle sizes are often stirred and mixed with other raw materials, and in the longer stirring and mixing process, the particle sizes of the cenospheres are changed, so that the effect of the cenospheres in the heat-insulating primer coating or the heat-insulating surface coating is correspondingly influenced; on the other hand, in the process of stirring the mixed materials, air is mixed in the coating in a micro-bubble form, so that the quality of the heat-insulating primer coating and the heat-insulating surface coating is finally reduced, and the heat-insulating effect of the heat-insulating primer coating and the heat-insulating surface coating in use is influenced, so that the existing preparation process needs to be improved; in addition, the production efficiency of the existing stirring and mixing equipment is low, the heat-insulating primer coating and the heat-insulating surface coating are usually produced separately, and the stirring and mixing effects of the stirring equipment are required to be improved.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the following technical scheme: a preparation method of a radiation-proof heat-insulating coating for the outer wall of a storage tank is characterized in that the same preparation device is adopted to prepare a heat-insulating bottom coating and a heat-insulating surface coating, and the particle size of hollow microspheres in the heat-insulating bottom coating prepared by the preparation device is larger than that of hollow microspheres in the heat-insulating surface coating;
the preparation method comprises the following steps:
s1, sequentially adding a coupling agent, trimethylbenzene and dimethyl carbonate into a preparation device, and uniformly stirring to obtain a premix for later use;
s2, adding the mica powder and the reflective filler into a preparation device, starting stirring, adding the premix obtained in the step S1, continuing stirring after the addition is finished, and uniformly mixing to obtain the filler;
s3, adding titanium dioxide, a dispersing agent, organic bentonite and acrylic resin accounting for 60% of the total amount into a preparation device, and uniformly mixing;
s4, sequentially adding acrylic resin accounting for 40% of the total amount, large-particle hollow microspheres, trimethylbenzene and dimethyl carbonate into the mixture obtained in the step S3, stirring and grinding to further reduce the particle size of the large-particle hollow microspheres, performing primary filtration after grinding is completed, and collecting a quantitative mixture in a paint collecting tank of a preparation device;
s5, adding talcum powder into the mixture left in the preparation device, continuing stirring and grinding, grinding the particle size of the hollow microspheres in the mixture again, performing secondary filtration after grinding, and opening a discharge valve of the preparation device to obtain a heat-insulating surface layer coating after defoaming treatment;
s6, placing the mixture collected in the paint collecting tank into a preparation device, defoaming, and opening a discharge valve of the preparation device to obtain the heat-insulating primer.
The invention also provides a preparation device of the anti-radiation heat-insulation paint for the outer wall of the storage tank, which relates to the preparation of the anti-radiation heat-insulation paint for the outer wall of the storage tank by adopting the paint preparation method according to claim 1, and comprises a cylindrical box body, wherein the side wall of the top of the cylindrical box body is provided with a sealing box door, the top of the cylindrical box body is provided with a first motor, the output shaft of the first motor penetrates through the top of the cylindrical box body and is fixedly connected with a first electric telescopic rod, the bottom of the cylindrical box body is provided with a discharge valve, the bottom of the first electric telescopic rod is fixedly provided with a rotating disc, the rotating disc is made of ferromagnetic materials, the bottom of the rotating disc is provided with a circular chute, the inner circumferential array of the circular chute is provided with a plurality of electromagnets, the electromagnets are in limiting sliding connection with the rotating disc, and a spacing gap adjusting assembly is arranged between the adjacent electromagnets; the bottom of the electromagnet is provided with a second motor, the bottom of the second motor is provided with a sliding sealing disc, and the sliding sealing disc is connected with the bottom of the rotating disc through a fourth electric telescopic rod; the second motor output shaft penetrates through the sliding sealing disc and then is fixedly connected with a second electric telescopic rod, the bottom of each second electric telescopic rod is fixedly provided with a first fan-shaped block, the arc-shaped outer side wall of each first fan-shaped block is fixedly connected with a second fan-shaped block through a third electric telescopic rod, two side walls of each second fan-shaped block are fixedly provided with an elastic shell, the elastic shell is provided with a plurality of through holes, and the through holes are communicated with the side walls of the second fan-shaped blocks; an elastic sealing block is connected between the inner side wall of the second sector and the outer side wall of the first sector; the two side walls of the second fan-shaped block are provided with a first electromagnetic valve and a breathable film in a staggered manner, and a filter screen is arranged in the first electromagnetic valve; the corresponding first electromagnetic valves on the two side walls of the second fan-shaped block are communicated through a first channel, and the corresponding breathable films on the two side walls of the second fan-shaped block are communicated through a second channel;
the preparation device also comprises the paint collecting tank, the bottom of the paint collecting tank is communicated with a first conduit, and the first conduit extends into the second fan-shaped block and is communicated with the first channel; and a second electromagnetic valve is arranged on the first conduit.
The invention has at least the following beneficial effects:
1. when the preparation method is adopted and matched with a preparation device to produce the heat-insulating primer coating and the heat-insulating surface coating, the method is completely different from the prior preparation process that when the heat-insulating primer coating or the heat-insulating surface coating is produced, only hollow microspheres with corresponding particle sizes are stirred and mixed with other materials to obtain a product, and the preparation method of the invention is that large-particle hollow microspheres (the particle sizes of the large-particle hollow microspheres are larger than those of the hollow microspheres in the heat-insulating primer coating) are put into the preparation device, and in the process of mixing with the other materials, the large-particle hollow microspheres are fully mixed with the other materials on one hand, and are preliminarily ground into small-particle hollow microspheres on the other hand, and when the particle sizes of the ground hollow microspheres meet the requirements of the heat-insulating primer coating product, primary filtration is adopted to obtain a primary heat-insulating primer coating product; continuously stirring and grinding the rest materials containing the primarily ground small-particle hollow microspheres until the particle size of the hollow microspheres meets the requirement of a heat-insulating surface coating product, and then performing secondary filtration to obtain a primary heat-insulating surface layer feed material; the preparation process provided by the invention is matched with the preparation device, so that the coating containing the cenospheres meeting the particle size requirement can be timely and effectively separated to obtain a corresponding product, the problem that the heat insulation effect of the coating is influenced due to the change of the particle size of the cenospheres when the cenospheres and other materials are simply mixed in the conventional preparation process is effectively solved, and the quality of the produced heat insulation bottom coating and the heat insulation surface coating and the use effects of the two coatings are greatly improved.
2. According to the invention, in the process of defoaming primary products, through mutual matching of electromagnets, elastic shells and the like, one of the electromagnets is controlled to be electrified, an exhaust valve is simultaneously opened, then the extension of a gap adjusting assembly on one side of the electromagnet is controlled, simultaneously all the other gap adjusting assemblies are controlled to be contracted, and simultaneously a fourth electric telescopic rod is controlled to drive a sliding sealing disc to move downwards, so that two adjacent first fan-shaped blocks, second fan-shaped blocks, elastic sealing blocks and the sliding sealing disc form a sealed space, then the gap adjusting assembly pushes the adjacent second fan-shaped blocks to mutually approach, so that the sealed space is gradually reduced, and further a primary heat-insulating surface layer coating or a primary heat-insulating bottom layer coating in the sealed space is extruded, thus bubbles in the primary heat-insulating surface layer coating or the primary heat-insulating bottom layer coating are broken under the action of pressure, further air wrapped in the bubbles is discharged through a breathable film and the exhaust valve, and finally the bubbles in the coating are eliminated; by eliminating air bubbles in the coating, the product quality of the produced coating can be greatly improved.
3. According to the preparation device, the first motor, the second electric telescopic rod, the electromagnet and the like are matched with each other, the control system controls the first motor to be started, simultaneously controls the second motor to rotate forwards and backwards repeatedly, controls the second electric telescopic rod to extend and contract repeatedly, and controls the electromagnet to be electrified simultaneously, so that the first motor rotates and drives the first fan-shaped block and the second fan-shaped block to rotate around the axis of the first electric telescopic rod in the cylindrical box body on one hand, and repeatedly extends and contracts in the vertical direction and repeatedly rotates backwards around the center of the second motor on the other hand, so that raw materials processed in the cylindrical box body are stirred at multiple angles, and the stirring efficiency and effect are improved;
4. the preparation device can control the third electric telescopic rod to repeatedly extend and contract and simultaneously control the third electric telescopic rod to extend for different lengths, so that different gaps are formed between the second fan-shaped block and the inner side wall of the cylindrical box body, hollow microspheres and other materials are simultaneously ground, and meanwhile, multi-angle grinding can be carried out in the circumferential direction and the vertical direction; thereby improving the grinding efficiency.
5. The preparation device adopts the preparation method, and is matched with the components of the discharge collecting pipe, the second electromagnetic valve and the like, so that primary filtration and secondary filtration can be realized in a production cycle, primary heat-insulating surface layer coating subjected to secondary filtration and primary heat-insulating bottom layer coating subjected to primary filtration can be subjected to defoaming treatment in sequence, and then heat-insulating surface layer coating and heat-insulating bottom layer coating are obtained in sequence, which is equivalent to a production cycle, two coating products can be finally produced, the process of adding materials for multiple times is greatly reduced, the labor capacity of workers is reduced, the number of equipment and the occupied area are saved, and good economic benefit and social benefit are achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a process flow diagram of the preparation method of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the cylindrical case of the present invention;
FIG. 4 is a schematic view of the internal structure of the cylindrical box of the present invention;
FIG. 5 is a schematic view of the connection of the electromagnet, the second motor, and the first segment according to the present invention;
FIG. 6 is a schematic view of the connection structure of the electromagnet and the arc-shaped telescopic rod according to the present invention;
FIG. 7 is a schematic view of the structural connection of a single first segment to a second motor in accordance with the present invention;
FIG. 8 is a schematic view of a second segment in structural association with a paint collection canister according to the present invention;
FIG. 9 is a schematic view of a first segment structurally coupled to a second segment in accordance with the present invention;
fig. 10 is a schematic view of a second segment structure according to the present invention.
In the figure: 1. a cylindrical box body; 101. a first cavity; 102. an electric heating coil; 2. sealing the box door; 3. a first motor; 4. a second motor; 5. a discharge valve; 6. rotating the disc; 7. a circular chute; 8. an electromagnet; 9. a first electric telescopic rod; 10. a second electric telescopic rod; 11. a third electric telescopic rod; 12. a sliding seal disk; 13. a first segment; 14. a second segment; 17. a paint collection tank; 1701. an air extraction opening; 18. an exhaust valve; 19. an elastic housing; 20. a first solenoid valve; 21. a first conduit; 22. a through hole; 23. a hydraulic leg; 24. a roller; 25. an elastic sealing block; 26. an arc-shaped telescopic rod; 27. a control panel; 28. and (3) a breathable film.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the invention discloses a preparation method of a radiation-proof heat-insulating coating for the outer wall of a storage tank, wherein the preparation method adopts the same preparation device to prepare a heat-insulating primer coating and a heat-insulating surface coating, and the particle size of hollow microspheres in the heat-insulating primer coating prepared by the preparation device is larger than that of hollow microspheres in the heat-insulating surface coating; compared with the traditional method of simply stirring and mixing the hollow microspheres with the corresponding particle sizes and other materials to obtain the corresponding product, the particle sizes of the hollow microspheres are changed to influence the performance of the coating, the preparation process adopts the preparation device, large-particle hollow microspheres are added during production, the preparation device is adopted to grind the hollow microspheres and other mixtures with the required particle sizes during stirring, and then the corresponding heat-insulating surface coating and the heat-insulating bottom coating are obtained. Different from the traditional preparation process, the preparation process provided by the invention can be matched with a preparation device to obtain a coating product containing the hollow microspheres with better particle size, so that the coating product is endowed with more excellent performance.
The preparation method comprises the following steps:
s1, sequentially adding a coupling agent, trimethylbenzene and dimethyl carbonate into a preparation device, and uniformly stirring to obtain a premix for later use;
s2, adding the mica powder and the reflective filler into a preparation device, starting stirring, adding the premix obtained in the step S1, continuing stirring after the addition is finished, and uniformly mixing to obtain the filler;
s3, adding titanium dioxide, a dispersing agent, organic bentonite and acrylic resin accounting for 60% of the total amount into a preparation device, and uniformly mixing;
s4, sequentially adding acrylic resin accounting for 40% of the total amount, large-particle hollow microspheres, trimethylbenzene and dimethyl carbonate into the mixture obtained in the step S3, stirring and grinding to further reduce the particle size of the large-particle hollow microspheres, performing primary filtration after grinding is completed, and collecting a quantitative mixture in a paint collecting tank of a preparation device;
s5, adding talcum powder into the mixture left in the preparation device, continuing stirring and grinding, grinding the particle size of the hollow microspheres in the mixture again, performing secondary filtration after grinding, and opening a discharge valve of the preparation device to obtain a heat-insulating surface layer coating after defoaming treatment;
s6, placing the mixture collected in the paint collecting tank into a preparation device, defoaming, and opening a discharge valve of the preparation device to obtain the heat-insulating primer.
The particle size of the large hollow microspheres in the step S4 is larger than that of hollow microspheres in the heat-insulation primer product, so that the large hollow microspheres are ground to meet the requirement of the particle size of the hollow microspheres in the heat-insulation primer product according to the preparation method of the invention, and then primary filtration is carried out to obtain primary heat-insulation primer; continuously grinding the residual materials after the primary filtration to enable the particle size of hollow microspheres in the materials to meet the requirement of the particle size of the hollow microspheres in the heat-insulating surface layer coating, and then performing secondary filtration to obtain the heat-insulating surface layer coating; the filtering process can ensure that materials meeting the requirement of the particle size of the hollow microspheres of the corresponding product can be separated in time, and the influence on the quality and the performance of the corresponding coating product caused by the change of the particle size due to excessive stirring of the hollow microspheres is prevented.
In order to realize the preparation of the heat-insulating primer coating and the heat-insulating surface coating by adopting the preparation method of the storage tank outer wall radiation-proof heat-insulating coating and prevent the quality and the performance of the coating from being influenced by the change of the particle size of the hollow microspheres and the existence of bubbles caused by factors such as stirring, grinding and the like in the production process of the heat-insulating primer coating and the heat-insulating surface coating, the invention provides a preparation device of the storage tank outer wall radiation-proof heat-insulating coating, and then the preparation device is adopted to prepare heat-insulating primer coating and heat-insulating surface coating products according to the preparation method.
Specifically, referring to fig. 2-10, the electromagnetic shielding box comprises a cylindrical box body 1, a sealing box door 2 is arranged on the side wall of the top of the cylindrical box body 1, a first motor 3 is arranged on the top of the cylindrical box body 1, an output shaft of the first motor 3 penetrates through the top of the cylindrical box body 1 and then is fixedly connected with a first electric telescopic rod 9, a discharge valve 5 is arranged at the bottom of the cylindrical box body 1, a rotating disc 6 is fixed at the bottom of the first electric telescopic rod 9, the rotating disc 6 is made of ferromagnetic materials, a circular sliding groove 7 is arranged at the bottom of the rotating disc 6, a plurality of electromagnets 8 are arranged in an inner circumferential array of the circular sliding groove 7, specifically, three electromagnets 8 are arranged, the electromagnets 8 are connected with the rotating disc 6 in a limiting sliding manner, and a spacing gap adjusting assembly is arranged between adjacent electromagnets 8; specifically, the interval gap adjusting assembly is an arc-shaped telescopic rod 26, one end of the arc-shaped telescopic rod 26 is fixedly connected with one electromagnet 8, the other end of the arc-shaped telescopic rod 26 is fixedly connected with the other adjacent electromagnet 8, and the arc-shaped radius of the arc-shaped telescopic rod 26 is the same as the radius of the circular chute 7; according to the invention, by arranging the arc-shaped telescopic rod 26, the gap between the adjacent electromagnets 8 can be adjusted, and further, the distance between two adjacent first fan-shaped blocks 13 is adjusted.
The rotating disc 6 is made of ferromagnetic material; specifically, when not powered, the specific electromagnet 8 can rotate along the circular chute 7 relative to the rotating disc 6 without magnetically adsorbing the rotating disc 6, so as to adjust the position of the specific electromagnet on the rotating disc 6; and the electromagnet 8 can be magnetically adsorbed on the rotating disc 6 when being electrified. The bottom of the electromagnet 8 is provided with a second motor 4, the bottom of the second motor 4 is provided with a sliding sealing disc 12, and the sliding sealing disc 12 is connected with the bottom of the rotating disc 6 through a fourth electric telescopic rod; when the fourth electric telescopic rod extends, the sliding sealing disc 12 can be driven to move downwards, so that the sliding sealing disc 12, the first sector block 13, the second sector block 14, the elastic sealing block 25 and the inner wall of the cylindrical box body 1 can jointly form a closed space in the subsequent preparation process, and preparation is made for the defoaming process.
An output shaft of the second motor 4 penetrates through the sliding sealing disc 12 and then is fixedly connected with a second electric telescopic rod 10, the bottom of each second electric telescopic rod 10 is fixedly provided with a first sector 13, the arc-shaped outer side wall of each first sector 13 is fixedly connected with a second sector 14 through a third electric telescopic rod 11, two side walls of each second sector 14 are fixedly provided with an elastic shell 19, the elastic shell 19 is provided with a plurality of through holes 22, and the through holes 22 are communicated with the side walls of the second sectors 14, so that the coating can pass through the through holes 22 and enter the first electromagnetic valves 20 of the second sectors 14; an elastic sealing block 25 is connected between the inner side wall of the second sector 14 and the outer side wall of the first sector 13; the two side walls of the second fan-shaped block 14 are provided with a first electromagnetic valve 20 and a breathable film 28 in a staggered manner, and a filter screen is arranged in the first electromagnetic valve 20; specifically, the first electromagnetic valves 20 on the wall of the second sector block 14 are provided with four rows, and the filter screens in the two rows of first electromagnetic valves 20 on one side of the second sector block 14 and the two rows of first electromagnetic valves 20 communicated with the other side are first filter screens which are used for primary filtration; the filter screens in the other two rows of the first electromagnetic valves 20 on one side of the second fan-shaped block 14 and the two rows of the first electromagnetic valves 20 communicated with the other side are second filter screens which are used for secondary filtration; the mesh diameter of the first filter screen is larger than that of the second filter screen so as to ensure that the particle size of the hollow microspheres in the mixture filtered by the first filter screen meets the requirement of the heat-insulating primer coating and form a primary heat-insulating primer coating product; the particle size of the hollow microspheres in the mixture filtered by the second filter screen meets the requirement of the heat-insulating surface coating, and a primary heat-insulating surface coating product is formed.
The corresponding first solenoid valves 20 on the two side walls of the second sector 14 are communicated through a first channel for collecting the primary paint product; the corresponding air-permeable membranes 28 on the two side walls of the second fan-shaped block 14 are communicated through the second channel, and the air-permeable membranes adopt a high-molecular microporous structure, so that the air can be ensured to pass through, and the coating cannot pass through, and the air-permeable membranes are used for discharging air when the primary product is defoamed.
The bottom of the coating collecting tank 17 is communicated with a first conduit 21, the first conduit 21 extends into the second fan-shaped block 14 and is communicated with the first channel, the first conduit 21 is rotationally connected with the second fan-shaped block 14, and the first conduit 21 is a hose, so that the first conduit 21 cannot be damaged in the reciprocating fixed-amplitude rotation process of the corresponding second fan-shaped block 14; the first conduit 21 is provided with a second electromagnetic valve; the paint collecting tank 17 is arranged to divide the product of one production cycle into heat-insulating primer paint and heat-insulating surface paint, and the products are divided correspondingly to be defoamed.
The outer surfaces of the elastic shell 19 and the elastic sealing block 25 are coated with a wear-resistant coating; according to the invention, the wear-resistant coating is arranged, so that the rapid wear of the elastic shell 19 and the elastic sealing block 25 is avoided, and the service lives of the elastic shell 19 and the elastic sealing block 25 are prolonged.
The coating collecting tank 17 is arranged at the bottom of the rotating disc 6, and an air suction opening 1701 is formed in the top of the coating collecting tank 17; the air extraction opening 1701 is connected with an external air extraction pump; in the production process, the primary insulating primer product containing the cenospheres satisfying the particle size requirement can be collected into the paint collection tank 17 through the air suction pump and the air suction port 1701 to separate the primary insulating primer product from the primary top layer paint product, thereby performing the corresponding operation and production, respectively.
The bottom of the cylindrical box body 1 is provided with a plurality of hydraulic support legs 23, the bottoms of the hydraulic support legs 23 are fixedly connected with rollers 24, and one sides of the rollers 24 are provided with braking systems; the hydraulic support legs 23 are arranged, so that the device can buffer and absorb shock in the production process; the device is also provided with the roller, so that the device can be rapidly moved.
A first cavity 101 is formed in the cylindrical box body 1, an electric heating coil 102 is arranged in the first cavity 101, and a temperature sensor for measuring the temperature of the coating is arranged in the cylindrical box body 1; according to the invention, the first cavity 101 and the electric heating coil 102 are arranged, so that heat preservation is realized on one hand, and on the other hand, the device can heat the coating raw materials in winter or in a low-temperature time period, so that the difference of the properties of the produced coating is avoided.
The control system comprises a control panel 27, and a start button, a pause button, a cleaning button and the like are arranged on the control panel 27.
One side wall of the sealing box door 2 is hinged with the side wall of the top of the cylindrical box body 1 through a hinge, and the other side wall of the cylindrical box body 1 is fixedly connected with the side wall of the cylindrical box body 1 through a bolt fastener; through setting up sealed chamber door 2, be convenient for add the raw materials to the device inside.
When the device for preparing the heat-insulating bottom layer coating and the heat-insulating surface layer coating is used, firstly, raw materials described in the preparation method are added into the cylindrical box body 1 by opening the sealing box door 2, then the starting button is pressed, the control system controls the first motor 3 to start, simultaneously controls the second motor 4 to repeatedly rotate in the forward and reverse directions, simultaneously controls the second electric telescopic rod 10 to repeatedly extend and contract, simultaneously controls the electromagnet 8 to be electrified, and enables the electromagnet 8 and the rotating disc 6 to be magnetically attracted under the action of the magnetic attraction force of the electromagnet 8, so that the first motor 3 rotates and drives the first fan-shaped block 13 and the second fan-shaped block 14 to rotate around the axis of the first electric telescopic rod 9 in the cylindrical box body 1 on one hand, and repeatedly extends and contracts in the vertical direction, and simultaneously repeatedly rotates in the forward and reverse directions around the center of the second motor 4, thereby stirring the processing raw materials in the cylindrical box body 1 in multiple angles, and improving the uniformity of stirring of the processing raw materials by the device.
In the stirring process, the control system controls the first motor 3 to start and the second motor 4 to rotate forward and backward repeatedly, and controls the first electric telescopic rod 9 to extend and contract repeatedly, and controls the third electric telescopic rod 11 to extend for different lengths simultaneously, so that different gaps are formed between the second fan-shaped block 14 and the inner side wall of the cylindrical box body 1, on one hand, different gaps are formed between the second fan-shaped block 14 and the inner side wall of the cylindrical box body 1, and then large-particle hollow microspheres in raw materials are ground, on the other hand, the first motor 3 and the second motor 4 rotate, and the first electric telescopic rod 9 extends and contracts repeatedly, so that the second fan-shaped block 14 is ground up and down on one side, and ground in the circumferential direction and the vertical direction simultaneously, and multi-angle grinding is realized, and the grinding efficiency of the device for the hollow microspheres is improved.
After grinding for a preset time, when the particle size range of the large hollow beads meets the requirement of the heat-insulating primer, a quantitative mixture needs to be separated and collected into the paint collecting tank 17. At the moment, one of the electromagnets 8 is controlled to be electrified through a control system, so that the electromagnets 8 and the rotating disc 6 are fixedly connected, then any one of the adjacent electromagnets 8 is adjusted through a gap adjusting assembly, the second sector 14 corresponding to the adjacent electromagnet 8 is in extrusion contact with the second sector 14 corresponding to the electrified electromagnet 8, a mixture between the two second sectors 14 is extruded out, then the first electric telescopic rod 9 corresponding to the two second sectors 14 is controlled to extend, so that the corresponding second sector 14 is driven by the corresponding first electric telescopic rod 9 to move to the bottom of the cylindrical box body 1 and is in sealing connection with the bottom of the cylindrical box body 1, then the gap adjusting assembly corresponding to the two second sectors 14 is controlled, a preset gap is formed between the two second sectors 14, an independent space is formed in the cylindrical box body 1 in such a way, primary filtering is prepared, and further primary materials and mixed materials which meet requirements are separated and temporarily stored; then, the two rows of corresponding first electromagnetic valves 20 with the first filter screens in the inner parts of the two second fan-shaped blocks 14 are controlled to be opened, and meanwhile, the second motors 4 corresponding to the rest second fan-shaped blocks 14 are controlled to be opened and drive the rest second fan-shaped blocks 14 to rotate, so that the materials are continuously stirred; meanwhile, an external suction pump and a second electromagnetic valve are started, the quantitative mixture in the cylindrical box body 1 can be pumped into the paint collecting tank 17 under the action of the external suction pump, and materials meeting the conditions can be pumped into the paint collecting tank 17 for temporary storage through the first electromagnetic valve 20 and the independent space along with the stirring of the second fan-shaped block 14 in the pumping process; at this time, two rows of corresponding first electromagnetic valves 20 on two sides of the second fan-shaped block 14 are opened and communicated, a first filter screen is arranged in each two rows of corresponding first electromagnetic valves 20, and the aperture of each first filter screen corresponds to the particle size (generally 325 to 400 meshes) of the hollow microspheres in the primary heat-insulating primer, so that the primary heat-insulating primer temporarily collected in the paint collection tank 17 can be filtered, the particle size of the hollow microspheres in the primary heat-insulating primer collected in the paint collection tank 17 can meet the requirement of the heat-insulating primer, and the preparation is made for the subsequent production of qualified heat-insulating primer.
After finishing the extraction of a certain amount of primary heat-insulating bottom coating products, closing the corresponding first electromagnetic valve 20, adding a certain amount of talcum powder, continuing to stir and grind the residual materials in the cylindrical box body 1 by adopting three groups of second fan-shaped blocks 14 until the particle size of hollow microspheres in the residual materials reaches the requirement of the primary heat-insulating surface coating products (generally 800 to 1250) after a preset time, suspending stirring, controlling the three second fan-shaped blocks 14 to be close to each other, extruding the materials among the three, and then performing secondary filtration in the same way; and (3) enabling a preset gap to be formed between two second fan-shaped blocks 14, so as to form an independent space in the cylindrical box body 1, simultaneously controlling the opening of a first electromagnetic valve 20 of a second filter screen arranged in the corresponding other two columns of second fan-shaped blocks 14 on one second fan-shaped block 14 of the two second fan-shaped blocks 14, then adjusting the rest second fan-shaped block 14 through a gap adjusting assembly, enabling the second fan-shaped block 14 to approach the second fan-shaped block 14 with the opened first electromagnetic valve 20 until the second fan-shaped block 14 and the second fan-shaped block 14 are in pressing contact with each other, and extruding the rest materials in the cylindrical box body 1 into the independent space by the second fan-shaped block 14 and related parts moving in the process, so as to prepare for defoaming treatment of the primary heat-insulating surface layer coating entering the independent space.
Defoaming the primary heat-insulating surface layer coating: controlling the extension of the fourth electric telescopic rod and driving the sliding sealing disc 12 to move downwards for a preset distance, so that the sliding sealing disc 12 is in extrusion contact with two second fan-shaped blocks 14, a first fan-shaped block 13 and an elastic sealing block 25 which form an independent space, and finally, a closed space is formed with the inner wall of the cylindrical box body 1; after the closed space is formed, the gap between the two groups of second fan-shaped blocks 14, the second fan-shaped blocks 13 and the elastic sealing block 25 is adjusted through the interval gap adjusting assembly, the gap is gradually reduced, the closed space is gradually reduced, the primary heat-insulating surface layer coating in the closed space is extruded, bubbles in the coating are broken in the extrusion process, air wrapped in the bubbles is discharged through the breathable film 28 and the exhaust valve 18 along with the gradual extrusion, the defoaming work of the primary heat-insulating surface layer coating in the closed space is finally completed, the influence of the bubbles on the performance of the heat-insulating surface layer coating is prevented, and the quality of the produced coating is improved; the primary heat-insulating surface layer coating subjected to defoaming treatment becomes a final heat-insulating surface layer coating; after the closed space is opened, the discharge valve 5 is opened to carry out filling and packaging, and then the production of the heat-insulating surface layer coating can be completed.
Defoaming the primary heat-insulating primer: after the heat-insulating surface layer coating is discharged out of the cylindrical box body 1, the sliding sealing disc 12 is in extrusion contact with the two second fan-shaped blocks 14, the first fan-shaped block 13 and the elastic sealing block 25 which form independent spaces according to the mode, and finally a closed space is formed with the inner wall of the cylindrical box body 1; after the closed space is formed, opening a second electromagnetic valve, putting the primary heat-insulation primer temporarily stored in the paint collecting tank 17 into the closed space through a first conduit 21 (at this time, two rows of first electromagnetic valves 20 communicated with the first conduit 21 are closed by the first electromagnetic valve on the outer side wall of the second sector block 14, and opened by the first electromagnetic valve 20 on the inner side wall), then adjusting the gaps between the two groups of second sector blocks 14, the first sector block 13 and the elastic sealing block 25 through a spacing gap adjusting assembly to gradually reduce the gaps, so that the closed space is gradually reduced, further extruding the primary heat-insulation primer in the closed space, breaking the bubbles in the paint in the extruding process, discharging the air wrapped in the bubbles through a breathable film 28 and an exhaust valve 18 along with the gradual extrusion, finally completing the defoaming work of the primary primer layer paint in the closed space, preventing the bubbles from influencing the performance of the heat-insulation primer, and further improving the quality of the produced paint; the primary heat-insulating primer subjected to defoaming treatment becomes a final heat-insulating primer; after the closed space is opened, the discharge valve 5 is opened to carry out filling and packaging, and then the production of the heat-insulating primer can be completed.
Through the design and improvement of the preparation method and the preparation device of the heat-insulating surface layer coating and the heat-insulating bottom layer coating, two products of the heat-insulating surface layer coating and the heat-insulating bottom layer coating can be produced by adopting the same preparation device, and the workload of operators is reduced; more importantly, through primary filtration and secondary filtration, the particle size of hollow microspheres in the product is prevented from changing due to stirring and grinding when the heat-insulating surface coating and heat-insulating bottom coating products are produced, so that the quality and the performance of the product are influenced; the device can eliminate bubbles generated in the product stirring process, and greatly improve the quality of corresponding products; the device can also effectively improve the effect of stirring and mixing, saves manpower and equipment, and has more obvious economic benefit and social benefit.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A preparation method of a radiation-proof heat-insulating coating for the outer wall of a storage tank is characterized in that the same preparation device is adopted to prepare a heat-insulating bottom coating and a heat-insulating surface coating, and the particle size of hollow microspheres in the heat-insulating bottom coating prepared by the preparation device is larger than that of the hollow microspheres in the heat-insulating surface coating;
the preparation method comprises the following steps:
s1, sequentially adding a coupling agent, trimethylbenzene and dimethyl carbonate into a preparation device, and uniformly stirring to obtain a premix for later use;
s2, adding the mica powder and the reflective filler into a preparation device, starting stirring, adding the premix obtained in the step S1, continuing stirring after the addition is finished, and uniformly mixing to obtain the filler;
s3, adding titanium dioxide, a dispersing agent, organic bentonite and acrylic resin accounting for 60% of the total amount into a preparation device, and uniformly mixing;
s4, sequentially adding 40% of acrylic resin, large-particle hollow microspheres, trimethylbenzene and dimethyl carbonate to the mixture obtained in the step S3, stirring and grinding to further reduce the particle size of the large-particle hollow microspheres, performing primary filtration after grinding is completed, and collecting a quantitative mixture in a paint collecting tank of a preparation device;
s5, adding talcum powder into the mixture left in the preparation device, continuing stirring and grinding, grinding the particle size of the hollow microspheres in the mixture again, performing secondary filtration after grinding, and opening a discharge valve of the preparation device to obtain a heat-insulating surface layer coating after defoaming treatment;
s6, placing the mixture collected in the paint collecting tank into a preparation device, defoaming, and opening a discharge valve of the preparation device to obtain the heat-insulating bottom paint;
the manufacturing device comprises a cylindrical box body, a sealing box door is arranged on the side wall of the top of the cylindrical box body, a first motor is arranged on the top of the cylindrical box body, an output shaft of the first motor penetrates through the top of the cylindrical box body and is fixedly connected with a first electric telescopic rod, a discharge valve is arranged at the bottom of the cylindrical box body, a rotating disc is fixed at the bottom of the first electric telescopic rod and is made of ferromagnetic materials, a circular sliding groove is formed in the bottom of the rotating disc, a plurality of electromagnets are arranged in an array manner in the circular sliding groove, the electromagnets are connected with the rotating disc in a limiting sliding manner, and spacing gap adjusting assemblies are arranged between adjacent electromagnets; the bottom of the electromagnet is provided with a second motor, the bottom of the second motor is provided with a sliding sealing disc, and the sliding sealing disc is connected with the bottom of the rotating disc through a fourth electric telescopic rod; the second motor output shaft penetrates through the sliding sealing disc and then is fixedly connected with a second electric telescopic rod, the bottom of each second electric telescopic rod is fixedly provided with a first fan-shaped block, the arc-shaped outer side wall of each first fan-shaped block is fixedly connected with a second fan-shaped block through a third electric telescopic rod, two side walls of each second fan-shaped block are fixedly provided with elastic shells, and the elastic shells are provided with a plurality of through holes which are communicated with the side walls of the second fan-shaped blocks; an elastic sealing block is connected between the inner side wall of the second sector and the outer side wall of the first sector; the two side walls of the second fan-shaped block are provided with a first electromagnetic valve and a breathable film in a staggered manner, and a filter screen is arranged in the first electromagnetic valve; corresponding first electromagnetic valves on two side walls of the second fan-shaped block are communicated through a first channel, and corresponding breathable films on two side walls of the second fan-shaped block are communicated through a second channel;
the preparation device also comprises the paint collecting tank, the bottom of the paint collecting tank is communicated with a first conduit, and the first conduit extends into the second fan-shaped block and is communicated with the first channel; a second electromagnetic valve is arranged on the first conduit;
the first electromagnetic valves on the wall of the second fan-shaped block are provided with four rows, filter screens in two rows of first electromagnetic valves on one side of the second fan-shaped block and two rows of first electromagnetic valves communicated with the other side of the second fan-shaped block are first filter screens, filter screens in the other two rows of first electromagnetic valves on one side of the second fan-shaped block and two rows of first electromagnetic valves communicated with the other side of the second fan-shaped block are second filter screens, and the mesh diameter of each first filter screen is larger than that of each second filter screen;
the interval gap adjusting assembly is an arc-shaped telescopic rod, one end of the arc-shaped telescopic rod is fixedly connected with one electromagnet, and the other end of the arc-shaped telescopic rod is fixedly connected with the other adjacent electromagnet.
2. The method for preparing the anti-radiation heat-insulating paint for the outer wall of the storage tank as claimed in claim 1, wherein the particle size of the large-particle hollow microspheres in the step S4 is larger than that of the hollow microspheres in the heat-insulating primer product.
3. The preparation method of the anti-radiation heat-insulating paint for the outer wall of the storage tank, according to claim 1, is characterized in that a wear-resistant coating is coated on the outer surfaces of the elastic shell and the elastic sealing block.
4. The preparation method of the anti-radiation heat-insulating paint for the outer wall of the storage tank, according to claim 1, is characterized in that the paint collection tank is arranged at the bottom of the rotating disc, an air suction port and an exhaust valve are formed in the top of the paint collection tank, and the air suction port is connected with an external air suction pump.
5. The preparation method of the anti-radiation heat-insulating paint for the outer wall of the storage tank, according to claim 1, is characterized in that a first cavity is formed in the cylindrical box body, an electric heating coil is arranged in the first cavity, and a temperature sensor for measuring the temperature of the paint is arranged in the cylindrical box body.
6. The preparation method of the anti-radiation heat-insulating paint for the outer wall of the storage tank, according to claim 1, is characterized in that a plurality of hydraulic legs are arranged at the bottom of the cylindrical tank body, rollers are fixedly connected to the bottoms of the hydraulic legs, and a braking system is arranged on one side of each roller.
7. The preparation method of the anti-radiation heat-insulating paint for the outer wall of the storage tank, according to claim 1, is characterized in that one side wall of the sealing box door is hinged with the side wall of the top of the cylindrical box body through a hinge, and the other side wall of the cylindrical box body is fixedly connected with the side wall of the cylindrical box body through a bolt fastener.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85202801U (en) * | 1985-07-09 | 1986-06-04 | 王庆祥 | Fine lapper |
| SU1433915A1 (en) * | 1987-01-07 | 1988-10-30 | Отделение Всесоюзного Научно-Исследовательского Проектно-Конструкторского И Технологического Института Источников Тока Научно-Производственного Объединения "Квант" С Опытным Производством В Г.Севастополе | Apparatus for making articles with structures from glass microspheres |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146277B (en) * | 2012-06-24 | 2015-07-29 | 西安经建油漆股份有限公司 | Petroleum storage tank thermal insulating coating |
| CN211189213U (en) * | 2019-11-22 | 2020-08-07 | 湖北一桥控股集团股份有限公司 | Fire fighting equipment is used in processing for coating production |
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- 2022-06-15 CN CN202210679527.6A patent/CN115029036B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85202801U (en) * | 1985-07-09 | 1986-06-04 | 王庆祥 | Fine lapper |
| SU1433915A1 (en) * | 1987-01-07 | 1988-10-30 | Отделение Всесоюзного Научно-Исследовательского Проектно-Конструкторского И Технологического Института Источников Тока Научно-Производственного Объединения "Квант" С Опытным Производством В Г.Севастополе | Apparatus for making articles with structures from glass microspheres |
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Denomination of invention: A preparation method and device for radiation proof and thermal insulation coating on the outer wall of storage tanks Effective date of registration: 20230816 Granted publication date: 20230411 Pledgee: China Postal Savings Bank Co.,Ltd. Qingfeng County Branch Pledgor: HENAN SUNSHINE ANTICORROSIVE COATING CO.,LTD. Registration number: Y2023980052155 |
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