CN113621275A

CN113621275A - Strong-reflection type pavement marking paint and preparation process thereof

Info

Publication number: CN113621275A
Application number: CN202110966511.9A
Authority: CN
Inventors: 朱建新; 倪耀中
Original assignee: Zhejiang Brother Guidepost Paint Co ltd
Current assignee: Zhejiang Brother Guidepost Paint Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2021-11-09

Abstract

The invention discloses a strong-reflection type pavement marking paint and a preparation process thereof. It includes the grinding vessel, be equipped with the grinding bed stone in the grinding vessel, two rooms about grinding bed stone falls into grinding vessel inside, grind the bed stone top and be grinding chamber one, it is grinding chamber two to grind the bed stone below, it is equipped with the connecting hole that runs through upper and lower surface to grind the bed stone, it communicates with grinding chamber two to grind chamber one, it is connected with the upper cover to grind chamber one top, the upper cover is connected with the feeder hopper, the intake pipe, the feeder hopper, the intake pipe all communicates with grinding chamber one, it is connected with rotating device one to grind chamber one, grinding vessel outer wall connection has rotating device two, rotating device one rotates opposite direction with rotating device two, it is connected with the lower cover to grind two belows in the grinding chamber, the lower cover is connected with the discharging pipe, discharging pipe and two intercommunications in grinding chamber. The invention has the beneficial effects that: the mixed raw materials have good grinding effect, complete grinding and cost reduction, the mixing uniformity of all the components in the paint is good, and the paint has good light reflection at night or in rainy days.

Description

Strong-reflection type pavement marking paint and preparation process thereof

Technical Field

The invention relates to the technical field of coatings, in particular to a strong-reflection type pavement marking coating and a preparation process thereof.

Background

The road marking paint is used for marking road marking after being coated on the road. It is a security mark, a "language" in road traffic. The road marking paint is not only subject to the tests of environmental temperature change, sun exposure, rain exposure and the like, but also faces to rolling and friction from wheels and the like, and is easy to fall off in use, so that the light reflecting capacity of the road marking is reduced. In addition, the surface of the marking paint can adsorb a large amount of pollutants in the using process, so that the brightness and the light reflecting effect of the marking paint are reduced; there is also a problem that the light reflecting effect at night or in rainy days becomes poor and even the light reflecting performance is completely lost. These factors all present a danger to the driving safety of the road.

Disclosure of Invention

The invention provides a strong-reflection type pavement marking paint with good reflection property after long-time use and during use at night or in rainy days and a preparation process thereof, aiming at overcoming the defects that the road marking paint in the prior art has low reflection property or completely loses reflection property after long-time use and during use at night or in rainy days.

In order to achieve the purpose, the invention adopts the following technical scheme:

the strong-reflection type pavement marking paint comprises the following main components in parts by weight: 15-20 parts of EVA hot melt adhesive, 5-8 parts of SEBS resin, 6-10 parts of reflective material, 10-15 parts of titanium dioxide, 20-30 parts of filler, 3-6 parts of nano strontium aluminate fluorescent powder, 0.5-1 part of rare earth type luminescent powder, 0.5-1.0 part of composite anti-settling agent and 10-20 parts of auxiliary agent, wherein the reflective material is glass microspheres, the filler is one or more of calcium carbonate, barium sulfate and kaolin, the rare earth type luminescent powder consists of calcium oxide, aluminum oxide and rare earth oxide, and the composite anti-settling agent consists of trioctyl phosphate and organic soil according to the weight ratio of 3-5: 6-8, wherein the auxiliary agent comprises a color moistening agent and a defoaming agent, and the defoaming agent comprises the following components in percentage by weight: the proportion of the color moistening agent is 2: 5.

In the technical scheme, the EVA hot melt adhesive is prepared by using EVA resin as a resin component, C5 petroleum resin as a tackifier and PE wax as a molecular weight regulator, wherein the dosage of the tackifier and the PE wax is 3-10 parts by weight respectively relative to 100 parts by weight of the EVA resin. The EVA resin has a VA content of 18-25 wt% and a melt flow index of 40-50 g/min (ASTM D-1238/ISO 1133). The color moistening agent is a commonly used color moistening agent, and the defoaming agent is a polyether defoaming agent commonly used in the coating industry. The C5 petroleum resin in the raw materials is mainly a C5 raw material cracked by a byproduct generated in the production process of an ethylene device, and a glassy thermoplastic or viscous liquid resin polymer material obtained through polymerization reaction has the characteristics of high miscibility, high oxidation resistance, strong viscosity and good water resistance. The addition of the EVA hot melt adhesive and the SEBS resin is beneficial to improving the wear resistance, the thermal stability and the crack resistance of the prepared coating. Therefore, after the strong-reflection type pavement marking paint prepared by mixing the raw materials is used for a long time and at night or in rainy days, the pavement marking paint still has good reflection, and the occurrence of traffic accidents is reduced.

A preparation process of a strong-reflection type pavement marking coating is manufactured by adopting preparation equipment of the strong-reflection type pavement marking coating, and comprises the following steps:

the method comprises the following steps: the preparation method of the rare earth type luminescent powder comprises the following steps: (1) firstly, mixing, grinding and calcining calcium oxide, aluminum oxide and rare earth oxide to prepare a raw material; (2) weighing a certain amount of raw materials, adding absolute ethyl alcohol, grinding in a ball mill for 5.5-6 h, and uniformly mixing; (3) after the absolute ethyl alcohol is completely volatilized, the mixture is put into a hot air sterilizing box to be dried for 4 to 5 hours at the temperature of between 55 and 60 ℃; (4) transferring the dried mixture to an alumina crucible, and putting the alumina crucible into a box-type high-temperature furnace to calcine for 5 to 6 hours at constant temperature in the air atmosphere of 1200 to 1300 ℃; (5) after the reaction is finished, cooling the mixture to room temperature along with the furnace, transferring the mixture into an agate mortar for full grinding to obtain the target product rare earth type luminescent powder;

step two: weighing the components according to the formula proportion;

step three: firstly, the filler is put into a mixing kettle, then the EVA hot melt adhesive, the SEBS resin and the titanium dioxide are added, and the rest raw materials are added while stirring. The raw materials are prepared by mixing, grinding and calcining calcium oxide, aluminum oxide and rare earth oxide, and then the rare earth type luminescent powder is prepared through multiple steps, so that when the rare earth type luminescent powder and other raw materials are mixed to prepare the reflective pavement marking paint, the mixing uniformity among the raw materials is good, the reflective pavement marking paint is favorably coated on the ground, and the reflective pavement marking paint has good road surface reflectivity in rainy days or at night, so that traffic accidents are reduced.

As preferred, preparation equipment of strong reflection of light type road surface marking coating includes the grinding vessel, be equipped with the grinding bed stone in the grinding vessel, two rooms about grinding the bed stone with the inside share of grinding vessel, grinding bed stone top is grinding room one, grinding bed stone below is grinding room two, the grinding bed stone is equipped with the connecting hole that runs through upper and lower surface, grinding room one and grinding room two intercommunications, grinding room one top is connected with the upper cover, the upper cover is connected with feeder hopper, intake pipe, feeder hopper, intake pipe all communicate with grinding room one, it is connected with rotating device one to grind room one, grinding vessel outer wall connection has rotating device two, rotating device one rotates opposite direction with rotating device two, it is connected with the lower cover to grind room two below, the lower cover is connected with the discharging pipe, discharging pipe and grinding room two intercommunications. Calcium oxide, aluminum oxide and rare earth oxide are put into a grinding cylinder through a feed hopper, most of the calcium oxide, the aluminum oxide and the rare earth oxide are blocked in a first grinding chamber under the action of ground bottom stones, a small part of the calcium oxide, the aluminum oxide and the rare earth oxide directly enter a second grinding chamber from connecting holes of the ground bottom stones, the raw materials are ground under the mutual matching action of a first rotating device connected with the first grinding chamber and the ground bottom stones and the rotation of a second rotating device, the ground raw materials enter the second grinding chamber through the connecting holes of the ground bottom stones and are ground again in the second grinding chamber, the raw materials ground twice are collected from a discharge pipe, the fineness of the finally prepared rare earth type luminous powder meets the requirement, when the rare earth type luminous powder and other raw materials are mixed and then used for preparing the reflective pavement marking paint, the mixing uniformity among the raw materials in the finally prepared strong reflective pavement marking paint is good, when the reflective paint is coated on the ground, the reflective performance of the road surface can be ensured to be good in rainy days or at night, and the occurrence of traffic accidents is reduced.

Preferably, an inner wall of the grinding chamber I is provided with a first baffle plate, the first baffle plate is fixedly connected with an inner wall of the grinding cylinder, the upper end of the first baffle plate is attached to the upper cover, the lower end of the baffle plate is connected with a guide plate, a plurality of convex strips are arranged on the surface of the first baffle plate facing the grinding chamber I, and the convex strips are distributed in a central symmetry mode of the grinding cylinder. When mixed raw materials enter into grinding chamber one through the feeder hopper after by gathering together under the effect of deflector, rotating device one of connecting in grinding chamber one under with the effect of grinding the bed stone, and when being ground under the effect of rotating device two, the raw materials can strike the grinding vessel, can avoid the raw materials direct and grinding vessel contact in the course of grinding through baffle one that is equipped with, reduce the striking to the grinding vessel among the raw materials grinding process, baffle one is equipped with a plurality of sand grips towards the surface of grinding chamber one, can increase the grinding effect, be damaged after baffle long-time use, through more renew baffle one can, under the prerequisite of guaranteeing to grind effectually, reduce the cost among the grinding process.

Preferably, the cross-sectional shape of the guide plate is a right triangle, a right-angle side of the guide plate is fixedly connected with the inner wall of the grinding cylinder, the other right-angle side of the guide plate is attached to the ground bottom stone, and the inclined side of the guide plate faces the direction of the first grinding chamber. The deflector mainly used leads to the raw materials that enter into grinding chamber one, the rotating device of being convenient for is mutually supported with the grinding bed stone and is ground the raw materials, thereby the mixed raw materials after grinding for the first time enters into grinding chamber two through the connecting hole of grinding the bed stone, once more ground, the mixed raw materials fineness that finally comes out from the discharge gate is good, the mixability is good, the strong anti-light type road surface marking coating of preparation coats behind the ground, at night or when rainy day, the reflection of light is good, reduce the incidence of traffic accident.

Preferably, rotating device one includes motor one, pivot one, rotor one, grinding stone, motor one is arranged in the upper cover top, a connection pivot one end of motor, grinding stone is connected to a pivot other end, grinding stone is corresponding with grinding the kerbstone, a rotor one end and a pivot fixed connection, a rotor other end is unsettled in grinding room one, a crisscross distribution of rotor is around pivot one and the slope downwards, a rotor is with the central evenly distributed of pivot one, a rotor one is kept away from the one end of pivot one and is less than the intake pipe to the distance of pivot one, a rotor one is kept away from the one end of pivot one and is less than the distance of feeder hopper lower extreme to pivot one to the distance of pivot one. The distance from one end of the first rotor far away from the first rotating shaft to the first rotating shaft is smaller than the distance from the air inlet pipe to the first rotating shaft, the distance from one end of the first rotor far away from the first rotating shaft to the first rotating shaft is smaller than the distance from the lower end of the feed hopper to the first rotating shaft, so that when raw materials enter the first grinding chamber through the feed hopper, the raw materials can smoothly enter the first grinding chamber, the first rotor is prevented from blocking the raw materials to enter the first grinding chamber, the raw materials after grinding are taken after twice grinding is finished, air is introduced into the first grinding chamber through the air inlet pipe, the raw materials after grinding in the first grinding chamber can be favorably transferred into the second grinding chamber as far as possible, and cleaning of a grinding cylinder is realized. The rotating shaft I and the rotor I are driven to rotate under the rotation of the motor I, raw materials entering the grinding chamber I can be stirred, the rotor I inclines downwards around the rotating shaft, the raw materials smashed by the rotor I can fall onto the grinding bottom stones along the rotor I, the guide plate falls onto the grinding bottom stones, the raw materials are ground under the mutual matching of the grinding bottom stones and the grinding bottom stones, the ground raw materials enter the grinding chamber II through the connecting holes of the grinding bottom stones and are ground again, and finally the raw materials are taken away from the discharge pipe, so that the fineness of the prepared rare earth type luminescent powder meets the requirement, the components in the finally prepared strong light reflecting pavement paint are uniformly mixed, and after the paint is coated on the ground, the light reflecting performance is good at night or in rainy days, and the occurrence rate of traffic accidents is reduced.

Preferably, the cross-sectional shape of the grinding stones is pentagonal, two sides of the upper end of the grinding stones incline downwards, two sides of the upper end of the grinding stones are parallel to the first rotor, two sides of the lower end of the grinding stones are parallel to the inclined plane of the guide plate, a plurality of contact stones are arranged on two sides of the lower end of the grinding stones and the bottom end of the grinding stones, the contact stones are symmetrically distributed on the central axis of the grinding stones, and the cross-sectional shapes of the contact stones are arc-shaped. Grind stone upper end both sides slope downwards and be parallel with rotor one, be favorable to entering into the raw materials that grind in the room one by rotor one after the collision enter into grind stone bottom and grind between the kerbstone by the grinding, contact stone cross sectional shape is the arc, contact stone is used for grinding the raw materials between grind stone and the deflector inclined plane and grind stone and the raw materials between the kerbstone, the arc contact stone is big with the area of contact of raw materials, be favorable to going on of grinding.

Preferably, the second rotating device comprises a second motor, a second rotating shaft and a second gear, the second motor is connected with the second rotating shaft, the second rotating shaft is connected with the second gear, the outer wall of the grinding cylinder is connected with the first gear, and the first gear is connected with the second gear. The second motor drives the second rotating shaft to rotate, the second rotating shaft drives the second gear to rotate, the grinding cylinder is driven to rotate under the connecting action of the first gear and the second gear, and the first rotating device is matched to rotate, so that the grinding effect on raw materials is good, the fineness of the ground rare earth type luminescent powder meets the requirement, and the prepared strong-reflection pavement marking paint is good in performance.

Preferably, a plurality of grinding balls with different diameters are arranged in the second grinding chamber, a second baffle is arranged on the inner wall of the second grinding chamber and fixedly connected with the grinding cylinder, the second baffle is attached to the lower cover and communicated with the discharge pipe, the second baffle is U-shaped, the opening end of the second baffle is arc-shaped, and the joint of the side wall and the bottom surface of the second baffle is arc-shaped. When the grinding ball grinds the raw materials entering the second grinding chamber, the grinding ball collides with the grinding cylinder to damage the grinding cylinder, direct contact between the grinding ball and the grinding cylinder can be avoided through the second baffle plate, and damage to the grinding cylinder is reduced. The two open ends of baffle are the arc, and the junction of two lateral walls of baffle and bottom surface is the arc, when being favorable to getting the material from the discharging pipe, avoids the raw materials after the residual part grinds in the baffle two, make full use of raw materials.

Preferably, two side walls of the grinding chamber are connected with side air pipes, the side air pipes are communicated with the second grinding chamber, and the side air pipes are positioned below the gear. When collecting the mixed raw materials after grinding from the discharging pipe, because the raw materials after grinding are the likepowder and easily adhere to two surfaces of the baffle, fill gas through the side gas pipe to two grinding chambers and blow off the raw materials of two surface adhesions of baffle to be favorable to fully collecting the raw materials after grinding. The second baffle is attached to the lower cover, so that the second baffle can be replaced by a new one after being detached.

The invention has the beneficial effects that: the mixed raw materials have good grinding effect, are fully ground and reduce the cost; the prepared strong-reflection type pavement marking paint has good mixing uniformity of all components, good reflection performance at night or in rainy days, and reduced occurrence rate of traffic accidents; the baffle is convenient to replace, and damage to the grinding cylinder is reduced, so that the service life of the grinding cylinder is long.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a side view of the baffle of FIG. 1;

FIG. 4 is a bottom view of the first rotating shaft and the first rotor in FIG. 1;

FIG. 5 is a bottom view of the grinding stone of FIG. 1;

fig. 6 is an enlarged view at B in fig. 1.

In the figure: 1. the grinding machine comprises a grinding cylinder, 11, a first grinding chamber, 111, a first baffle, 1111, a convex strip, 112, a guide plate, 12, grinding bottom stones, 121, a connecting hole, 13, a second grinding chamber, 131, grinding balls, 132, a second baffle, 14, an upper cover, 15, a feeding hopper, 16, an air inlet pipe, 17, a lower cover and 18, a discharge pipe; 2. the grinding stone grinding machine comprises a first rotating device, a first motor, a first rotating shaft, a first rotor, a first grinding stone and a second grinding stone, wherein the first rotating device is 21; 3. a second rotating device 31, a second motor 32, a second rotating shaft 33, a second gear 34 and a first gear; 4. a lateral trachea.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

The strong-reflection type pavement marking paint comprises the following main components in parts by weight: 15-20 parts of EVA hot melt adhesive, 5-8 parts of SEBS resin, 6-10 parts of light-reflecting material, 10-15 parts of titanium dioxide, 20-30 parts of filler, 3-6 parts of nano strontium aluminate fluorescent powder, 0.5-1 part of rare earth type luminescent powder, 0.5-1.0 part of composite anti-settling agent and 10-20 parts of auxiliary agent, wherein the light-reflecting material is glass microspheres, the filler is one or more of calcium carbonate, barium sulfate and kaolin, the rare earth type luminescent powder consists of calcium oxide, aluminum oxide and rare earth oxide, and the composite anti-settling agent consists of trioctyl phosphate and organic soil according to the weight ratio of 3-5: 6-8, wherein the auxiliary agent comprises a color moistening agent, a defoaming agent and a defoaming agent: the proportion of the color moistening agent is 2: 5.

step two: weighing the components according to the formula proportion;

step three: firstly, the filler is put into a mixing kettle, then the EVA hot melt adhesive, the SEBS resin and the titanium dioxide are added, and the rest raw materials are added while stirring.

As shown in fig. 1 and 6, the preparation equipment of the strong light reflecting type pavement marking paint comprises a grinding cylinder 1, wherein a grinding bottom stone 12 is arranged in the grinding cylinder 1, the grinding bottom stone 12 divides the interior of the grinding cylinder 1 into an upper chamber and a lower chamber, a first grinding chamber 11 is arranged above the grinding bottom stone 12, a second grinding chamber 13 is arranged below the grinding bottom stone 12, the grinding bottom stone 12 is provided with a connecting hole 121 penetrating through the upper surface and the lower surface, the first grinding chamber 11 is communicated with the second grinding chamber 13, an upper cover 14 is connected above the first grinding chamber 11, the upper cover 14 is connected with a feed hopper 15, the grinding device comprises an air inlet pipe 16, a feed hopper 15 and an air inlet pipe 16 which are communicated with a first grinding chamber 11, wherein the first grinding chamber 11 is connected with a first rotating device 2, the outer wall of a grinding cylinder 1 is connected with a second rotating device 3, the rotating directions of the first rotating device 2 and the second rotating device 3 are opposite, a lower cover 17 is connected below a second grinding chamber 13, a discharge pipe 18 is connected to the lower cover 17, and the discharge pipe 18 is communicated with the second grinding chamber 13.

As shown in fig. 1, 2, and 3, a first baffle 111 is disposed on an inner wall of the first grinding chamber 11, the first baffle 111 is fixedly connected to an inner wall of the grinding cylinder 1, an upper end of the first baffle 111 is attached to the upper cover 14, a lower end of the first baffle 111 is connected to the guide plate 112, a plurality of protruding strips 1111 are disposed on a surface of the first baffle 111 facing the first grinding chamber 11, and the protruding strips 1111 are symmetrically distributed around a center of the grinding cylinder 1.

As shown in fig. 1 and 2, the cross section of the guide plate 112 is in the shape of a right triangle, a right-angled edge of the guide plate 112 is fixedly connected with the inner wall of the grinding cylinder 1, the other right-angled edge of the guide plate 112 is attached to the ground bottom stone 12, and the inclined edge of the guide plate 112 faces the direction of the first grinding chamber 11.

As shown in fig. 1 and 4, the first rotating device 2 includes a first motor 21, a first rotating shaft 22, a first rotor 23, and a grinding stone 24, the first motor 21 is disposed above the upper cover 14, the first motor 21 is connected to one end of the first rotating shaft 22, the other end of the first rotating shaft 22 is connected to the grinding stone 24, the grinding stone 24 corresponds to the grinding bottom stone 12, one end of the first rotor 23 is fixedly connected to the first rotating shaft 22, the other end of the first rotor 23 is suspended in the first grinding chamber 11, the first rotor 23 is distributed around the first rotating shaft 22 in a staggered manner and is inclined downward, the first rotor 23 is uniformly distributed around the center of the first rotating shaft 22, the distance from one end of the first rotor 23 far from the first rotating shaft 22 to the first rotating shaft 22 is smaller than the distance from the air inlet pipe 16 to the first rotating shaft 22, and the distance from one end of the first rotor 23 far from the first rotating shaft 22 to the first rotating shaft 22 is smaller than the distance from the lower end of the feed hopper 15 to the first rotating shaft 22.

As shown in fig. 1 and 5, the cross-sectional shape of the grinding stones 24 is pentagonal, two sides of the upper ends of the grinding stones 24 are inclined downwards, two sides of the upper ends of the grinding stones 24 are parallel to the first rotor 23, two sides of the lower ends of the grinding stones 24 are parallel to the inclined plane of the guide plate 112, a plurality of contact stones 241 are arranged on two sides of the lower ends of the grinding stones 24 and the bottom ends of the grinding stones 24, the contact stones 241 are symmetrically distributed by using the central axis of the grinding stones 24, and the cross-sectional shapes of the contact stones 241 are arc-shaped.

As shown in fig. 1 and 2, the second rotating device 3 includes a second motor 31, a second rotating shaft 32, and a second gear 33, the second motor 31 is connected to the second rotating shaft 32, the second rotating shaft 32 is connected to the second gear 33, the first gear 34 is connected to the outer wall of the grinding cylinder 1, and the first gear 34 is connected to the second gear 33.

As shown in fig. 1, a plurality of grinding balls 131 with different diameters are arranged in the second grinding chamber 13, a second baffle 132 is arranged on the inner wall of the second grinding chamber 13, the second baffle 132 is fixedly connected with the grinding cylinder 1, the second baffle 132 is attached to the lower cover 17, the second baffle 132 is communicated with the discharge pipe 18, the second baffle 132 is U-shaped, the open end of the second baffle 132 is arc-shaped, and the joint between the side wall and the bottom surface of the second baffle 132 is arc-shaped. The side wall of the second grinding chamber 13 is connected with a side air pipe 4, the side air pipe 4 is communicated with the second grinding chamber 13, and the side air pipe 4 is positioned below the first gear 34.

Example 1:

the raw materials and weights in example 1 are shown in Table 1

TABLE 1 raw materials and their weights

In example 1, the grinding time was 5.5 hours, the temperature of the hot air sterilizing chamber was 55 ℃, the drying time was 4 hours, the temperature of the chamber type high temperature furnace was 1200 ℃, and the constant temperature calcination was 5 hours. The strong-reflection pavement marking paint prepared by the parameters is coated on a place, and the reflection performance at night or in rainy days is observed.

Example 2:

the raw materials and weights in example 2 are shown in Table 2

TABLE 2 raw materials and their weights

In example 2, the grinding time was 5.8 hours, the temperature of the hot air sterilizing chamber was 58 ℃, the drying time was 4.5 hours, the temperature of the chamber type high temperature furnace was 1250 ℃, and the constant temperature calcination was 5.5 hours. The strong-reflection pavement marking paint prepared by the parameters is coated on a place, and the reflection performance at night or in rainy days is observed.

Example 3:

the raw materials and weights in example 3 are shown in Table 3

TABLE 3 raw materials and their weights

In example 3, the grinding time was 6 hours, the temperature of the hot air sterilizing chamber was 60 ℃, the drying time was 5 hours, the temperature of the chamber type high temperature furnace was 1300 ℃, and the constant temperature calcination was 6 hours. The strong-reflection pavement marking paint prepared by the parameters is coated on a place, and the reflection performance at night or in rainy days is observed.

The experimental results are as follows:

through the above examples, after the strong light reflecting type pavement marking paint prepared in example 2 is coated for a long time, the light reflectivity is improved by 95% compared with that of the conventional pavement marking paint.

Claims

1. The strong-reflection type pavement marking paint is characterized by comprising the following main components in parts by weight: 15-20 parts of EVA hot melt adhesive, 5-8 parts of SEBS resin, 6-10 parts of reflective material, 10-15 parts of titanium dioxide, 20-30 parts of filler, 3-6 parts of nano strontium aluminate fluorescent powder, 0.5-1 part of rare earth type luminescent powder, 0.5-1.0 part of composite anti-settling agent and 10-20 parts of auxiliary agent, wherein the reflective material is glass microspheres, the filler is one or more of calcium carbonate, barium sulfate and kaolin, the rare earth type luminescent powder consists of calcium oxide, aluminum oxide and rare earth oxide, and the composite anti-settling agent consists of trioctyl phosphate and organic soil according to the weight ratio of 3-5: 6-8, wherein the auxiliary agent comprises a color moistening agent and a defoaming agent, and the defoaming agent comprises the following components in percentage by weight: the proportion of the color moistening agent is 2: 5.

2. A preparation process of a strong-reflection type pavement marking coating is characterized by being manufactured by adopting preparation equipment of the strong-reflection type pavement marking coating and comprising the following steps:

step two: weighing the components according to the formula proportion;

3. The preparation process of the strong light reflecting type pavement marking paint according to claim 2, wherein the preparation equipment of the strong light reflecting type pavement marking paint comprises a grinding cylinder (1), wherein a grinding bottom stone (12) is arranged in the grinding cylinder (1), the grinding bottom stone (12) divides the interior of the grinding cylinder (1) into an upper chamber and a lower chamber, a first grinding chamber (11) is arranged above the grinding bottom stone (12), a second grinding chamber (13) is arranged below the grinding bottom stone (12), the grinding bottom stone (12) is provided with connecting holes (121) penetrating through the upper surface and the lower surface, the first grinding chamber (11) is communicated with the second grinding chamber (13), an upper cover (14) is connected above the first grinding chamber (11), the upper cover (14) is connected with a feed hopper (15) and an air inlet pipe (16), the feed hopper (15) and the air inlet pipe (16) are both communicated with the first grinding chamber (11), grind room (11) and be connected with rotating device (2), grinding vessel (1) outer wall connection has rotating device two (3), rotating device one (2) and rotating device two (3) rotation opposite direction, grind room two (13) below and be connected with lower cover (17), lower cover (17) are connected with discharging pipe (18), discharging pipe (18) and two (13) intercommunications in grinding room.

4. The strong light reflecting pavement marking paint and the preparation process thereof according to claim 3, wherein the first baffle (111) is arranged on the inner wall of the first grinding chamber (11), the first baffle (111) is fixedly connected with the inner wall of the grinding cylinder (1), the upper end of the first baffle (111) is attached to the upper cover (14), the lower end of the first baffle (111) is connected with the guide plate (112), the surface of the first baffle (111) facing the first grinding chamber (11) is provided with a plurality of convex strips (1111), and the convex strips (1111) are symmetrically distributed around the center of the grinding cylinder (1).

5. The preparation process of the strong light reflecting pavement marking paint as claimed in claim 4, wherein the cross section of the guide plate (112) is in the shape of a right triangle, one right-angle edge of the guide plate (112) is fixedly connected with the inner wall of the grinding cylinder (1), the other right-angle edge of the guide plate (112) is attached to the ground bottom stone (12), and the inclined edge of the guide plate (112) faces the direction of the first grinding chamber (11).

6. The preparation process of the strong light reflection type pavement marking paint according to claim 4 or 5, wherein the first rotating device (2) comprises a first motor (21), a first rotating shaft (22), a first rotor (23) and grinding stones (24), the first motor (21) is arranged above the upper cover (14), the first motor (21) is connected with one end of the first rotating shaft (22), the other end of the first rotating shaft (22) is connected with the grinding stones (24), the grinding stones (24) correspond to the ground bottom stones (12), one end of the first rotor (23) is fixedly connected with the first rotating shaft (22), the other end of the first rotor (23) is suspended in the first grinding chamber (11), the first rotor (23) is distributed around the first rotating shaft (22) in a staggered mode and is inclined downwards, the first rotor (23) is uniformly distributed with the center of the first rotating shaft (22), and the distance from one end, far away from the first rotating shaft (22), of the first rotor (23) to the first rotating shaft (22) is smaller than that from the air inlet pipe (16) to the rotating shaft (24) The distance from one end of the first rotor (23) far away from the first rotating shaft (22) to the first rotating shaft (22) is less than the distance from the lower end of the feed hopper (15) to the first rotating shaft (22).

7. The preparation process of the strong light reflection type pavement marking paint according to claim 6, wherein the cross section of the grinding stone (24) is pentagonal, two sides of the upper end of the grinding stone (24) are inclined downwards, two sides of the upper end of the grinding stone (24) are parallel to the first rotor (23), two sides of the lower end of the grinding stone (24) are parallel to the inclined plane of the guide plate (112), two sides of the lower end of the grinding stone (24) and the bottom end of the grinding stone (24) are respectively provided with a plurality of contact stones (241), the contact stones (241) are symmetrically distributed around the central axis of the grinding stone (24), and the cross section of the contact stone (241) is arc-shaped.

8. The preparation process of the strong-light-reflection type pavement marking paint according to claim 3, wherein the second rotating device (3) comprises a second motor (31), a second rotating shaft (32) and a second gear (33), the second motor (31) is connected with the second rotating shaft (32), the second rotating shaft (32) is connected with the second gear (33), the outer wall of the grinding cylinder (1) is connected with a first gear (34), and the first gear (34) is connected with the second gear (33).

9. The preparation process of the strong light reflecting type pavement marking paint according to claim 3, wherein a plurality of grinding balls (131) with different diameters are arranged in the second grinding chamber (13), a second baffle plate (132) is arranged on the inner wall of the second grinding chamber (13), the second baffle plate (132) is fixedly connected with the grinding cylinder (1), the second baffle plate (132) is attached to the lower cover (17), the second baffle plate (132) is communicated with the discharge pipe (18), the second baffle plate (132) is U-shaped, the opening end of the second baffle plate (132) is arc-shaped, and the joint of the side wall and the bottom surface of the second baffle plate (132) is arc-shaped.

10. The preparation process of the strong light reflecting type pavement marking paint according to claim 3 or 9, wherein a side air pipe (4) is connected to the side wall of the second grinding chamber (13), the side air pipe (4) is communicated with the second grinding chamber (13), and the side air pipe (4) is positioned below the first gear (34).