CN109985557B - Preparation system, preparation process and component proportion of water-based environment-friendly paint - Google Patents
Preparation system, preparation process and component proportion of water-based environment-friendly paint Download PDFInfo
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- CN109985557B CN109985557B CN201910254834.8A CN201910254834A CN109985557B CN 109985557 B CN109985557 B CN 109985557B CN 201910254834 A CN201910254834 A CN 201910254834A CN 109985557 B CN109985557 B CN 109985557B
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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
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/44—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement
- B01F31/441—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement performing a rectilinear reciprocating movement
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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
- B01F33/81—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
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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
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
- B01F35/75445—Discharge mechanisms characterised by the means for discharging the components from the mixer using pushers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/30—Mixing paints or paint ingredients, e.g. pigments, dyes, colours, lacquers or enamel
Abstract
The invention discloses a water-based environment-friendly paint preparation system, which comprises a columnar vertical paint dispersing container, wherein an inner barrel is coaxially arranged in the paint dispersing container, an annular columnar water dilution oscillation cavity is formed between the outer wall of the inner barrel and the paint dispersing container, a plurality of oscillation units are distributed in the water dilution oscillation cavity, and each oscillation unit can intermittently oscillate back and forth along the vertical direction of the axis of the inner barrel; the interior of the coating dispersion container is also spirally provided with a spiral heating wire, and the heating wire can heat the liquid oscillated in the water dilution oscillation cavity after being electrified; the upper end of the water dilution oscillation cavity is provided with an open feeding hole; the feed end of the homogeneous coating delivery pipe is communicated with the bottom of the water dilution oscillation cavity, and an electromagnetic valve and a liquid pump are further mounted on the homogeneous coating delivery pipe; the horizontal vibration unit structure is simple, and the phenomenon that vortex is easy to mix into bubbles caused by traditional stirring is avoided.
Description
Technical Field
The invention belongs to the field of paint preparation.
Background
The water-diluted paint is a water-based emulsion paint formed by dissolving solvent type resin in an organic solvent, adding water, and then dispersing the resin in the water by strong mechanical stirring, which is also called post-emulsification emulsion.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a transverse oscillation type dispersed water-based environment-friendly paint preparation system, a preparation process and a component distribution ratio thereof.
The technical scheme is as follows: in order to achieve the purpose, the water-based environment-friendly paint preparation system comprises a columnar vertical paint dispersing container, wherein an inner cylinder is coaxially arranged in the paint dispersing container, a columnar water dilution oscillation cavity is formed between the outer wall of the inner cylinder and the paint dispersing container, a plurality of oscillation units are distributed in the water dilution oscillation cavity, and each oscillation unit can intermittently oscillate back and forth along the vertical direction of the axis of the inner cylinder; the interior of the paint dispersing container is also spirally provided with a spiral electric heating wire, and the electric heating wire can heat the liquid oscillating in the water dilution oscillation cavity after being electrified; the upper end of the water dilution oscillation cavity is provided with an open feeding hole; the water dilution vibration cavity is characterized by further comprising a homogeneous coating delivery pipe, wherein the feed end of the homogeneous coating delivery pipe is communicated with the bottom of the water dilution vibration cavity, and an electromagnetic valve and an infusion pump are further mounted on the homogeneous coating delivery pipe.
Furthermore, a water pressure accumulation ring cavity is coaxially arranged inside the wall body of the inner cylinder, the inner wall and the outer wall of the water pressure accumulation ring cavity are respectively an inner cylinder wall and an outer cylinder wall, and the inner cavity of the inner cylinder wall is a closed inner cylinder cavity; the water dilution oscillation cavity and the water pressure accumulation ring cavity are separated by the outer cylinder wall, and the water pressure accumulation ring cavity and the inner cylinder cavity are separated by the inner cylinder wall; the water pressure increasing device also comprises a water pressure increasing supply pipe, wherein the liquid outlet end of the water pressure increasing supply pipe is communicated with the water pressure accumulating ring cavity, and a booster pump is arranged on the water pressure increasing supply pipe; an electromagnetic push rod motor is fixedly installed at the top of the inner cylinder cavity, a linkage shaft is fixedly connected with the lower end of a telescopic push rod of the electromagnetic push rod motor and the same axis, and the linkage shaft synchronously moves up and down along with the telescopic push rod; a plurality of conical shells are coaxially and integrally connected to the linkage shaft, the conical tip of each conical shell is arranged downwards, and the conical shells are distributed in an equidistant array along the axial direction of the linkage shaft; and a plurality of linkage rods are distributed around each conical shell in a circumferential array.
Furthermore, a plurality of first linkage rod through holes are uniformly distributed on the inner cylinder wall in a circumferential array, and a plurality of second linkage rod through holes are uniformly distributed on the outer cylinder wall in a circumferential array; the first linkage rod through holes and the second linkage rod through holes are in coaxial correspondence one by one, and the inner diameters of the first linkage rod through holes and the second linkage rod through holes are the same; each linkage rod sequentially penetrates through the corresponding first linkage rod penetrating hole and the corresponding second linkage rod penetrating hole, and the outer wall of each linkage rod is movably matched with the inner wall of the corresponding first linkage rod penetrating hole and the inner wall of the corresponding second linkage rod penetrating hole in a sealing mode; one end of each linkage rod, which is close to the corresponding conical shell, is uniformly provided with a spherical top, and the spherical surface of each spherical top is in pressing contact with the conical wall of the corresponding conical shell; a return spring is sleeved on each linkage rod, and two ends of each return spring respectively press the ball top and the inner wall of the inner cylinder wall; one end of each linkage rod, which is far away from the corresponding conical shell, is integrally connected with one oscillation unit in the same axis, and the oscillation units synchronously reciprocate along with the linkage rods.
Furthermore, the oscillation unit comprises an outer oscillation disc and an inner oscillation disc which are coaxially arranged at intervals, and the outer oscillation disc and the inner oscillation disc are uniformly and coaxially connected to the linkage rod; a water extrusion column cavity is coaxially arranged inside the linkage rod, and a plurality of water extrusion holes are uniformly distributed and hollowed in a circumferential array on the inner wall of the water extrusion column cavity; the water extrusion holes are distributed between the outer oscillating disc and the inner oscillating disc, and the water dilution oscillating cavity and the water extrusion column cavity are communicated with each other through the water extrusion holes; a liquid guide channel is further arranged inside the linkage rod, one end of the liquid guide channel is communicated with the water extrusion column cavity through a guide outlet, and the other end of the liquid guide channel is connected with the water pressure accumulation ring cavity through a guide inlet bypass; the aperture of the guide inlet is smaller than the wall thickness of the outer cylinder wall, and the guide inlet can move along with the linkage rod to be plugged by the inner wall of the hole through which the second linkage rod passes; the disc surfaces of the outer oscillating disc and the inner oscillating disc are uniformly provided with a plurality of liquid passing holes in a hollowed-out manner; the vacuum pump further comprises a negative pressure pipe, one end of the negative pressure pipe is communicated with the inner cylinder cavity, and the other end of the negative pressure pipe is communicated with a negative pressure device.
Further, the preparation process of the water-based environment-friendly coating preparation system comprises the following steps:
firstly, the negative pressure equipment enables the inner cylinder cavity to maintain a negative pressure state through a negative pressure pipe, and meanwhile, an electromagnetic push rod motor is controlled to enable a telescopic push rod to do downward extension movement, so that a linkage shaft drives each conical shell to synchronously move downwards; due to the downward movement of each conical shell, each spherical top is gradually transited from the thin end contacting the conical wall to the thick end contacting the conical wall, so that each linkage rod performs ejection movement gradually far away from the conical shell until each guide inlet is plugged by the inner wall of the hole penetrating through the hole of the second linkage rod along with the displacement of the linkage rod, then the water storage ring cavity is filled with water, and the booster pump maintains the water pressure in the water storage ring cavity through the water boosting supply pipe;
continuously discharging the solvent type resin organic solution into the water dilution oscillation cavity through the feeding hole until the resin liquid level in the water dilution oscillation cavity just submerges all oscillation units, electrifying the electric heating wire to enable the temperature in the water dilution oscillation cavity to rise to 48-52 ℃, and always maintaining the temperature in the water dilution oscillation cavity in the subsequent steps, wherein the heating mode is favorable for improving the dilution effect;
thirdly, due to the existence of the elastic restoring force of the return spring and the negative pressure suction force in the inner cylinder cavity, each linkage rod always has a tendency of moving close to the conical shell, and therefore each ball top is ensured to be always in a state of contacting with the conical wall; starting and controlling an electromagnetic push rod motor to enable a telescopic push rod to make upward rapid shortening movement, and further enabling a linkage shaft to drive each conical shell to synchronously move upwards; the ball tops are gradually transited from the thick end of the contact conical wall to the thin end of the contact conical wall due to the upward movement of each conical shell, so that each linkage rod gradually moves to be close to the conical shell in a retracting movement, each guide inlet is shifted to be communicated with the water pressure accumulation ring cavity again along with the linkage rod, water with pressure accumulated in the water pressure accumulation ring cavity flows into the water guide channel through the guide inlet, water in the water guide channel is quickly pressed into the water extrusion column cavity under the action of water pressure, and water in each water extrusion column cavity is extruded into the water dilution oscillation cavity in a divergent manner through the water extrusion holes;
fourthly, controlling an electromagnetic push rod motor to enable a telescopic push rod to do downward extension movement, and further enabling a linkage shaft to drive each conical shell to synchronously move downwards; due to the downward movement of each conical shell, each spherical top is gradually transited from the thin end contacting the conical wall to the thick end contacting the conical wall, so that each linkage rod performs ejection movement gradually far away from the conical shell until each guide inlet is plugged by the inner wall of the hole penetrating through the hole by the second linkage rod along with the displacement of the linkage rod; each water extrusion hole stops extruding water into the water dilution oscillation cavity;
step five, periodically circulating the step three and the step four at the frequency of 20Hz to 30 Hz; the linkage rod is further enabled to do ejection and retraction actions back and forth, the water extrusion holes are further periodically extruded into the water dilution oscillation cavity in a divergent manner in a jet flow mode, the water dilution oscillation cavity is also laterally swung back and forth with the same oscillation unit in the same pace period under the linkage of the linkage rod, so that the whole water dilution oscillation cavity is laterally stirred and oscillated, and the gap of each oscillation period of the oscillation unit is uniformly supplemented with water jet flow through the water extrusion holes, so that the solvent type resin organic solution and water in the water dilution oscillation cavity are promoted to be mutually fused, and the solvent type resin is dispersed in the water to form resin emulsion; because the water is supplemented in the dilution oscillation cavity, the preset dilution proportion is completed until the liquid level in the water dilution oscillation cavity rises to a preset height; suspending periodic cycle steps three and four; and finally, the step four is operated once to ensure that each water extrusion hole stops extruding water into the water dilution oscillation cavity;
and step six, opening an electromagnetic valve on the homogeneous coating delivery pipe, starting a liquid pump on the homogeneous coating delivery pipe, and pumping away the finished product water-based coating in the dilution oscillation cavity.
Has the advantages that: the invention has simple structure, adopts a transverse oscillation unit structure, and avoids the phenomenon that vortex is easy to mix into bubbles caused by traditional stirring; the whole water dilution vibrates the intracavity and forms horizontal stirring and vibrates, vibrates the even replenishment that the hole has a water jet through a plurality of water extrusion in the clearance of every oscillation cycle of unit moreover, promotes water dilution and vibrates solvent-based resin organic solution and the aqueous interfusion of intracavity, makes solvent-based resin disperse in aqueous, forms resin emulsion.
Drawings
FIG. 1 is a front view of the overall structure of the present patent;
FIG. 2 is a first cut-away schematic view of the device;
FIG. 3 is a second cut-away schematic view of the device;
FIG. 4 is a schematic front sectional view of the apparatus;
FIG. 5 is a schematic distribution diagram of conical shells and linkage rods;
FIG. 6 is a schematic view of FIG. 4 with the inlet port of the fluid conducting channel at 18 communicating with the water pressure accumulating ring chamber;
fig. 7 is a schematic view of fig. 6 when the inlet of the liquid guide channel is blocked by the inner wall of the hole through which the second linkage rod passes.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The water-based environment-friendly paint preparation system shown in the attached drawings 1 to 7 comprises a columnar vertical paint dispersing container 8, an inner cylinder 10 is coaxially arranged in the paint dispersing container 8, an annular columnar water dilution oscillation cavity 17 is formed between the outer wall of the inner cylinder 10 and the paint dispersing container 8, a plurality of oscillation units 16 are distributed in the water dilution oscillation cavity 17, and each oscillation unit 16 can intermittently oscillate back and forth along the vertical direction of the axis of the inner cylinder 10; the interior of the coating dispersion container 8 is also spirally provided with a spiral heating wire 7, and the heating wire can heat the liquid oscillated in the water dilution oscillation cavity 17 after being electrified; the upper end of the water dilution oscillation cavity 17 is provided with an open feeding hole 9; the device is characterized by further comprising a homogeneous coating delivery pipe 20, wherein the feeding end of the homogeneous coating delivery pipe 20 is communicated with the bottom of the water dilution oscillation cavity 17, and the homogeneous coating delivery pipe 20 is further provided with an electromagnetic valve and an extraction pump.
Further, a water pressure accumulation ring cavity 2 is coaxially arranged inside the wall body of the inner cylinder 10, the inner wall and the outer wall of the water pressure accumulation ring cavity 2 are respectively an inner cylinder wall 4 and an outer cylinder wall 3, and the inner cavity of the inner cylinder wall 4 is a closed inner cylinder cavity 1; the water dilution oscillation cavity 17 and the water pressure accumulation annular cavity 2 are separated by the outer cylinder wall 3, and the water pressure accumulation annular cavity 2 and the inner cylinder cavity 1 are separated by the inner cylinder wall 4; the water pressure increasing device further comprises a water pressure increasing supply pipe 13, the liquid outlet end of the water pressure increasing supply pipe 13 is communicated with the water pressure accumulating annular cavity 2, and a pressure increasing pump is mounted on the water pressure increasing supply pipe 13; an electromagnetic push rod motor 11 is fixedly installed at the top of the inner cylinder cavity 1, the lower end of a telescopic push rod 12 of the electromagnetic push rod motor 11 is coaxially and fixedly connected with a linkage shaft 5, and the linkage shaft 5 synchronously moves up and down along with the telescopic push rod 12; a plurality of conical shells 6 are coaxially and integrally connected to the linkage shaft 5, the conical tip of each conical shell 6 is arranged downwards, and the conical shells 6 are distributed in an equidistant array along the axial direction of the linkage shaft 5; a plurality of linkage rods 15 are distributed around each conical shell 6 in a circumferential array.
Furthermore, a plurality of first linkage rod through holes 36 are uniformly distributed on the inner cylinder wall 4 in a circumferential array, and a plurality of second linkage rod through holes 37 are uniformly distributed on the outer cylinder wall 3 in a circumferential array; the first linkage rod through holes 36 and the second linkage rod through holes 37 are coaxially corresponding one to one, and the inner diameters of the first linkage rod through holes 36 and the second linkage rod through holes 37 are the same; each linkage rod 15 sequentially passes through the corresponding first linkage rod through hole 36 and the corresponding second linkage rod through hole 37, and the outer wall of each linkage rod 15 is in movable sealing fit with the inner wall of the first linkage rod through hole 36 and the inner wall of the second linkage rod through hole 37; one end of each linkage rod 15, which is close to the corresponding conical shell 6, is uniformly provided with a spherical top 27, and the spherical surface of each spherical top 27 is in pressing contact with the conical wall 26 of the corresponding conical shell 6; a return spring 28 is sleeved on each linkage rod 15, and two ends of each return spring 28 respectively press against the ball top 27 and the inner wall of the inner cylinder wall 4; one end of each linkage rod 15, which is far away from the corresponding conical shell 6, is coaxially and integrally connected with one oscillation unit 16, and the oscillation units 16 synchronously reciprocate along with the linkage rods 15.
Further, the oscillating unit 16 comprises an outer oscillating disc 22 and an inner oscillating disc 31 which are coaxially arranged at intervals, and the outer oscillating disc 22 and the inner oscillating disc 31 are uniformly and coaxially connected to the linkage rod 15; a water extrusion column cavity 34 is coaxially arranged inside the linkage rod 15, and a plurality of water extrusion holes 25 are uniformly distributed and hollowed in a circumferential array on the inner wall of the water extrusion column cavity 34; the water extrusion holes 25 are distributed between the outer oscillating disc 22 and the inner oscillating disc 31, and the water dilution oscillating cavity 17 and the water extrusion column cavity 34 are communicated with each other through the water extrusion holes 25; a liquid guide channel 29 is further arranged in the linkage rod 15, one end of the liquid guide channel 29 is communicated with the water extrusion column cavity 34 through a liquid guide outlet 030, and the other end of the liquid guide channel 29 is connected with the water pressure accumulation ring cavity 2 in a bypass mode through a liquid guide inlet 30; the aperture of the inlet 30 is smaller than the wall thickness of the outer cylinder wall 3, and the inlet 30 can move along with the linkage rod 15 to be blocked by the inner wall of the hole of the second linkage rod passing hole 37; a plurality of liquid passing holes 32 are uniformly distributed and hollowed on the surfaces of the outer oscillating disc 22 and the inner oscillating disc 31; the vacuum tube is characterized by further comprising a negative pressure tube 21, one end of the negative pressure tube 21 is communicated with the inner cylinder cavity 1, and the other end of the negative pressure tube 21 is communicated with a negative pressure device.
The water dilution emulsification process, the method and the technical progress arrangement of the scheme are as follows:
firstly, the negative pressure equipment enables the inner cylinder cavity 1 to maintain a negative pressure state through a negative pressure pipe 21, and meanwhile, an electromagnetic push rod motor 11 is controlled to enable a telescopic push rod 12 to do downward extension movement, so that a linkage shaft 5 drives each conical shell 6 to synchronously move downwards; due to the downward movement of each conical shell 6, each spherical top 27 is gradually transited from the thin end of the contact conical wall 26 to the thick end of the contact conical wall 26, so that each linkage rod 15 is gradually pushed out away from the conical shell 6 until each guide inlet 30 is plugged by the inner wall of the hole of the second linkage rod through the hole 37 along with the displacement of the linkage rod 15, then water is filled into the water pressure accumulation ring cavity 2, and the booster pump maintains the water pressure in the water pressure accumulation ring cavity 2 through the water pressurization supply pipe 13;
continuously feeding solvent type resin organic solution and a proper amount of emulsifier into the water dilution oscillation cavity 17 through the feeding hole 9 until all oscillation units 16 are just immersed in the resin liquid level in the water dilution oscillation cavity 17, then electrifying the electric heating wire 7 to enable the temperature in the water dilution oscillation cavity 17 to rise to 48-52 ℃, and always maintaining the temperature in the water dilution oscillation cavity 17 in the subsequent steps, wherein the heating mode is favorable for improving the dilution effect;
thirdly, due to the existence of the elastic restoring force of the return spring 28 and the negative pressure suction force in the inner cylinder cavity 1, each linkage rod 15 always tends to move close to the conical shell 6, and therefore, each spherical top 27 is always in a state of contacting with the conical wall 26; starting and controlling the electromagnetic push rod motor 11 to enable the telescopic push rod 12 to make upward rapid shortening movement, and further enabling the linkage shaft 5 to drive each conical shell 6 to synchronously move upwards; due to the upward movement of each conical shell 6, each spherical top 27 is gradually transited from the thick end of the contact conical wall 26 to the thin end of the contact conical wall 26, so that each linkage rod 15 gradually moves to retract close to the conical shell 6, at the moment, each guide inlet 30 is displaced along with the linkage rod 15 to be communicated with the water pressure accumulation annular cavity 2 again, at the moment, water accumulated in the water pressure accumulation annular cavity 2 flows into the liquid guide channel 29 through the guide inlet 30, further, under the action of water pressure, the water in the liquid guide channel 29 is rapidly pressed into the water extrusion column cavity 34, and further, the water in each water extrusion column cavity 34 is extruded into the water dilution oscillation cavity 17 in a divergent manner in a jet flow mode through the plurality of water extrusion holes 25;
fourthly, controlling an electromagnetic push rod motor 11 to enable a telescopic push rod 12 to do downward extension movement, and further enabling a linkage shaft 5 to drive each conical shell 6 to synchronously move downwards; due to the downward movement of each conical shell 6, each spherical top 27 gradually transits from the thin end of the contact conical wall 26 to the thick end of the contact conical wall 26, so that each linkage rod 15 gradually performs ejection movement away from the conical shell 6 until each guide inlet 30 is plugged by the inner wall of the hole of the second linkage rod through the hole 37 along with the displacement of the linkage rod 15; each water extrusion hole 25 stops extruding water into the water dilution oscillation cavity 17;
step five, periodically circulating the step three and the step four at the frequency of 20Hz to 30 Hz; the linkage rod 15 is further made to perform ejection and retraction actions back and forth, so that the water extrusion holes 25 are periodically and divergently extruded into the water dilution oscillation cavity 17 in a jet flow mode, the oscillation units 16 are also in back and forth transverse amplitude oscillation in the same pace period under the linkage of the linkage rod 15, so that transverse agitation oscillation is formed in the whole water dilution oscillation cavity 17, and gaps of each oscillation period of the oscillation units 16 are uniformly supplemented by water jet flow once through the water extrusion holes 25, so that the solvent type resin organic solution and water in the water dilution oscillation cavity 17 are promoted to be mutually fused, and the solvent type resin is dispersed in water to form resin emulsion; because the dilution oscillation cavity 17 is supplemented with water, the preset dilution proportion is completed after the liquid level in the dilution oscillation cavity 17 is raised to the preset height; suspending periodic cycle steps three and four; and finally, the step four is operated once to ensure that each water extrusion hole 25 stops extruding water into the water dilution oscillation cavity 17;
and step six, opening an electromagnetic valve on the homogeneous coating delivery pipe 20, starting a liquid pump on the homogeneous coating delivery pipe 20, and pumping away the finished product water-based coating in the dilution oscillation cavity 17.
The dilution ratio of the solvent-based resin organic solution to water in the embodiment is 1: 1, and the solvent-based resin organic solution and water can be in any ratio according to different requirements; the solvent resin is vinyl resin and can also be other solvent resins; after being diluted by water, the coating is formed into post-emulsion through the oscillation process of the embodiment, the prepared coating can be diluted by water in construction, and small particle groups formed by polymerization of unsaturated vinyl monomers in the emulsion are dispersed in water to form dispersed emulsion.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (2)
1. Waterborne environmental protection coating preparation system, its characterized in that: the coating dispersing device comprises a columnar vertical coating dispersing container (8), an inner cylinder (10) is coaxially arranged in the coating dispersing container (8), an annular columnar water diluting and oscillating cavity (17) is formed between the outer wall of the inner cylinder (10) and the coating dispersing container (8), a plurality of oscillating units (16) are distributed in the water diluting and oscillating cavity (17), and each oscillating unit (16) can oscillate back and forth intermittently along the vertical direction of the axis of the inner cylinder (10); a spiral heating wire (7) is spirally arranged in the coating dispersion container (8), and the heating wire can heat the liquid oscillated in the water dilution oscillation cavity (17) after being electrified; the upper end of the water dilution oscillation cavity (17) is provided with an open feeding hole (9); the device is characterized by further comprising a homogeneous coating delivery pipe (20), wherein the feeding end of the homogeneous coating delivery pipe (20) is communicated with the bottom of the water dilution oscillation cavity (17), and an electromagnetic valve and an extraction pump are further mounted on the homogeneous coating delivery pipe (20);
a water pressure accumulation ring cavity (2) is coaxially arranged inside the wall body of the inner cylinder (10), the inner wall and the outer wall of the water pressure accumulation ring cavity (2) are respectively an inner cylinder wall (4) and an outer cylinder wall (3), and the inner cavity of the inner cylinder wall (4) is a closed inner cylinder cavity (1); the water dilution oscillation cavity (17) and the water pressure accumulation annular cavity (2) are separated by the outer cylinder wall (3), and the water pressure accumulation annular cavity (2) and the inner cylinder cavity (1) are separated by the inner cylinder wall (4); the water-saving type water heater also comprises a water pressurizing supply pipe (13), wherein the liquid outlet end of the water pressurizing supply pipe (13) is communicated with the water pressure accumulation ring cavity (2), and a booster pump is installed on the water pressurizing supply pipe (13); an electromagnetic push rod motor (11) is fixedly installed at the top of the inner cylinder cavity (1), the lower end of a telescopic push rod (12) of the electromagnetic push rod motor (11) is coaxially and fixedly connected with a linkage shaft (5), and the linkage shaft (5) synchronously moves up and down along with the telescopic push rod (12); a plurality of conical shells (6) are coaxially and integrally connected to the linkage shaft (5), the conical tip of each conical shell (6) is arranged downwards, and the conical shells (6) are distributed in an equidistant array along the axial direction of the linkage shaft (5); a plurality of linkage rods (15) are distributed on the periphery of each conical shell (6) in a circumferential array;
a plurality of first linkage rod through holes (36) are uniformly distributed on the inner cylinder wall (4) in a circumferential array, and a plurality of second linkage rod through holes (37) are uniformly distributed on the outer cylinder wall (3) in a circumferential array; the first linkage rod through holes (36) and the second linkage rod through holes (37) are coaxially corresponding one to one, and the inner diameters of the first linkage rod through holes (36) and the second linkage rod through holes (37) are the same; each linkage rod (15) sequentially penetrates through the corresponding first linkage rod penetrating hole (36) and the corresponding second linkage rod penetrating hole (37), and the outer wall of each linkage rod (15) is in movable sealing fit with the inner wall of the corresponding first linkage rod penetrating hole (36) and the inner wall of the corresponding second linkage rod penetrating hole (37); one end of each linkage rod (15) close to the corresponding conical shell (6) is uniformly provided with a spherical top (27), and the spherical surface of each spherical top (27) is in pressing contact with the conical wall (26) of the corresponding conical shell (6); a return spring (28) is sleeved on each linkage rod (15), and two ends of each return spring (28) respectively press against the ball top (27) and the inner wall of the inner cylinder wall (4); one end of each linkage rod (15) far away from the corresponding conical shell (6) is coaxially and integrally connected with one oscillation unit (16), and the oscillation units (16) synchronously reciprocate along with the linkage rods (15);
the oscillating unit (16) comprises an outer oscillating disc (22) and an inner oscillating disc (31) which are coaxially arranged at intervals, and the outer oscillating disc (22) and the inner oscillating disc (31) are uniformly and coaxially connected to the linkage rod (15); a water extrusion column cavity (34) is coaxially arranged inside the linkage rod (15), and a plurality of water extrusion holes (25) are uniformly distributed and hollowed in a circumferential array on the inner wall of the water extrusion column cavity (34); the water extrusion holes (25) are distributed between the outer vibration disc (22) and the inner vibration disc (31), and the water dilution vibration cavity (17) and the water extrusion column cavity (34) are communicated with each other through the water extrusion holes (25); a liquid guide channel (29) is further arranged inside the linkage rod (15), one end of the liquid guide channel (29) is communicated with the water extrusion column cavity (34) through a liquid guide outlet (030), and the other end of the liquid guide channel (29) is connected with the water pressure accumulation ring cavity (2) in a bypass mode through a liquid guide inlet (30); the aperture of the guide inlet (30) is smaller than the wall thickness of the outer cylinder wall (3), and the guide inlet (30) can move along with the linkage rod (15) to be blocked by the inner wall of a hole of the second linkage rod penetrating through the hole (37); a plurality of liquid passing holes (32) are uniformly distributed and hollowed on the surfaces of the outer vibration disc (22) and the inner vibration disc (31); still include negative pressure pipe (21), the one end intercommunication of negative pressure pipe (21) interior barrel cavity (1), the other end intercommunication negative pressure device of negative pressure pipe (21).
2. The preparation process of the water-based environment-friendly paint preparation system according to claim 1, characterized in that:
firstly, the negative pressure equipment enables an inner cylinder cavity (1) to maintain a negative pressure state through a negative pressure pipe (21), and meanwhile, an electromagnetic push rod motor (11) is controlled to enable a telescopic push rod (12) to do downward extension movement, so that a linkage shaft (5) drives each conical shell (6) to synchronously move downwards; due to the downward movement of each conical shell (6), each spherical top (27) is gradually transited from the thin end of the contact conical wall (26) to the thick end of the contact conical wall (26), so that each linkage rod (15) is gradually pushed out and away from the conical shell (6) until each guide inlet (30) is plugged by the inner wall of the hole of the second linkage rod penetrating through the hole (37) along with the displacement of the linkage rod (15), then water is filled into the water pressure accumulation ring cavity (2), and the booster pump maintains the water pressure in the water pressure accumulation ring cavity (2) through a water pressure increasing supply pipe (13);
continuously discharging the solvent type resin organic solution into the water dilution oscillation cavity (17) through the feeding hole (9) until all oscillation units (16) are just immersed in the resin liquid level in the water dilution oscillation cavity (17), and then electrifying the electric heating wire (7) to raise the temperature in the water dilution oscillation cavity (17) to 48-52 ℃, and maintaining the temperature in the water dilution oscillation cavity (17) in the subsequent steps, wherein the heating mode is favorable for improving the dilution effect;
thirdly, due to the existence of the elastic restoring force of the return spring (28) and the negative pressure suction force in the inner cylinder cavity (1), each linkage rod (15) always has a tendency of moving close to the conical shell (6), and each spherical top (27) is further ensured to be always in a state of contacting with the conical wall (26); starting and controlling an electromagnetic push rod motor (11) to enable a telescopic push rod (12) to make upward rapid shortening movement, and further enabling a linkage shaft (5) to drive each conical shell (6) to synchronously move upwards; due to the upward movement of each conical shell (6), each ball top (27) is gradually transited from the thick end of the contact conical wall (26) to the thin end of the contact conical wall (26), each linkage rod (15) gradually moves to retract close to the conical shell (6), each guide inlet (30) is displaced along with the linkage rod (15) to be communicated with the water pressure accumulation ring cavity (2), pressure-accumulated water in the water pressure accumulation ring cavity (2) flows into the liquid guide channel (29) through the guide inlet (30), and then water in the liquid guide channel (29) is quickly pressed into the water extrusion column cavity (34) under the action of water pressure, and further the water in each water extrusion column cavity (34) is extruded into the water dilution oscillation cavity (17) in a divergent manner through the plurality of water extrusion holes (25);
fourthly, controlling an electromagnetic push rod motor (11) to enable a telescopic push rod (12) to do downward extension movement, and further enabling a linkage shaft (5) to drive each conical shell (6) to synchronously move downwards; due to the downward movement of each conical shell (6), each spherical top (27) is gradually transited from the thin end contacting the conical wall (26) to the thick end contacting the conical wall (26), and then each linkage rod (15) is gradually pushed out and away from the conical shell (6) until each guide inlet (30) is plugged by the inner wall of the hole of the second linkage rod penetrating the hole (37) along with the displacement of the linkage rod (15); each water extrusion hole (25) stops extruding water into the water dilution oscillation cavity (17);
step five, periodically circulating the step three and the step four at the frequency of 20Hz to 30 Hz; the linkage rod (15) is further enabled to do ejection and retraction actions back and forth, the water extrusion holes (25) are further enabled to be extruded into the water dilution oscillation cavity (17) in a periodical divergent shape in a jet flow mode, the water extrusion holes and the oscillation unit (16) are also laterally swung back and forth in the same pace period under the linkage of the linkage rod (15), so that the transverse stirring oscillation is formed in the whole water dilution oscillation cavity (17), gaps of each oscillation period of the oscillation unit (16) can be uniformly supplemented by water jet flow once through the water extrusion holes (25), the fusion of solvent type resin organic solution and water in the water dilution oscillation cavity (17) is promoted, and solvent type resin is dispersed in water to form resin emulsion; because the water is supplemented in the dilution oscillation cavity (17), the preset dilution proportion is finished until the liquid level in the water dilution oscillation cavity (17) rises to a preset height; suspending periodic cycle steps three and four; and finally, the step four is operated once to ensure that each water extrusion hole (25) stops extruding water into the water dilution oscillation cavity (17);
and step six, opening an electromagnetic valve on the homogeneous coating delivery pipe (20), starting a liquid pump on the homogeneous coating delivery pipe (20), and pumping away the finished product water-based coating in the dilution oscillation cavity (17).
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| CN111992111A (en) * | 2020-09-03 | 2020-11-27 | 程莹 | Efficient mixing preparation system and preparation method of environment-friendly water-based paint |
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