CN113913040A

CN113913040A - High-environmental-protection inorganic coating and production process thereof

Info

Publication number: CN113913040A
Application number: CN202110972874.3A
Authority: CN
Inventors: 翁伯传
Original assignee: Hangzhou Shengdejia Industry Co ltd
Current assignee: Hangzhou Shengdejia Industry Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-01-11

Abstract

The invention provides a high-environmental-protection inorganic coating which comprises the following raw materials in parts by mass: 13-20 parts of deionized water, 45-55 parts of calcium hydroxide, 22-32 parts of an alkali metal silicate aqueous solution, 3-5 parts of mixed zeolite silicon powder, 12-18 parts of titanium dioxide, 20-30 parts of a filler and 20-40 parts of a dye, wherein the composite silicate aqueous solution is prepared from the following components in parts by mass: 3-5: 1, mixing the lithium silicate aqueous solution, the sodium silicate aqueous solution and the methyl silicic acid emulsion; the mixed zeolite silicon powder is prepared from the following components in parts by mass: 5-7: 1, zeolite powder, aluminum silicate fiber and silicon dioxide aerogel.

Description

High-environmental-protection inorganic coating and production process thereof

Technical Field

The invention belongs to the technical field of coatings, and particularly relates to a high-environmental-protection inorganic coating and a production process thereof.

Background

Building fire protection is an important field of fire-fighting science and technology, and the fire-proof coating is an important component in fire-proof building materials. The fireproof coating is coated on the surface of an object, and a coating film of the fireproof coating is difficult or non-combustible when meeting fire, has a good protection effect on a base material, wins time for fire extinguishment and personnel evacuation, and therefore, the research and the application of the fireproof coating have attracted high attention of all countries in the world.

The existing coating can achieve the flame retardant effect only through organic polymers which are difficult to ignite, but inorganic coatings still have the problem of flame retardancy, so that the development of an environment-friendly flame retardant inorganic coating is urgently needed.

Disclosure of Invention

The invention provides a high-environment-friendly inorganic coating with flame resistance, aiming at overcoming the defects of the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the high-environmental-protection inorganic coating comprises the following raw materials in parts by mass:

13-20 parts of deionized water

45-55 parts of calcium hydroxide

22-32 parts of alkali metal silicate aqueous solution

3-5 parts of mixed zeolite silica powder

12-18 parts of titanium dioxide

20-30 parts of filler

20-40 parts of dye

The composite silicate aqueous solution is prepared from the following components in parts by mass: 3-5: 1, mixing the lithium silicate aqueous solution, the sodium silicate aqueous solution and the methyl silicic acid emulsion; the mixed zeolite silicon powder is prepared from the following components in parts by mass: 5-7: 1, zeolite powder, aluminum silicate fiber and silicon dioxide aerogel.

Optionally, the composite material further comprises 10-15 parts by weight of filling reinforcing solution, wherein the filling reinforcing solution is prepared from the following components in parts by weight of 4-6: 3: 2-5: 3-5: 2 aqueous solution of potassium silicate, silica sol, SHGL-103 type silica solution, water for mixing and micro silicon powder.

Optionally, the filler is composed of 3-5 parts by weight of bentonite, 5-10 parts by weight of mica powder and 10-15 parts by weight of kaolin.

Optionally, the coating also comprises 0.3-0.5 part of a leveling agent, 0.3-0.5 part of a wetting agent, 0.8-1 part of an inorganic thickener and 0.3-0.5 part of a defoaming agent in parts by mass.

The preparation method of the high-environmental-protection inorganic coating comprises the following steps:

1) firstly, adding 0.3-0.5 part of flatting agent, 0.3-0.5 part of wetting agent, 0.8-1 part of inorganic thickener and 0.3-0.5 part of defoaming agent in parts by mass into 15-25 parts of deionized water in parts by mass in a reaction kettle, stirring and mixing for 15-45min to prepare a deionized water mixed solution;

2) sequentially adding 3-5 parts by mass of bentonite, 5-10 parts by mass of mica powder and 10-15 parts by mass of kaolin into the deionized water mixed solution, stirring at normal temperature, and then adding 45-55 parts by mass of calcium hydroxide, 3-5 parts by mass of mixed zeolite silicon powder and 10-15 parts by mass of titanium dioxide for mixing to prepare the coating basic mixed solution;

3) adding 10-15 parts by mass of filling reinforcing solution, 25-35 parts by mass of composite silicate aqueous solution and 20-40 parts by mass of dye into the coating basic mixed solution obtained in the step 2), mixing, and stirring for 30-50min in a vacuum environment to obtain a basic coating;

4) pumping the basic paint in the step 3) into a grinder for coarse grinding and fine grinding to prepare the inorganic paint.

Optionally, the sand mill includes frame, sanding device, is used for driving drive arrangement and the controlling means of sanding device work, and wherein sanding device has the coarse grinding interval and the fine grinding interval that is linked together with the coarse grinding interval, and basic coating gets into the coarse grinding interval earlier and carries out the coarse grinding, flows into again and carries out the secondary grinding to the fine grinding interval.

Optionally, the sanding device includes dispersion impeller and the cover casing outside the dispersion impeller, the dispersion impeller includes center pin and disk body, is provided with the separation dish on the center pin, is provided with the filter disc on the separation dish, be provided with the bearing spare that is connected with the casing on the filter disc.

Optionally, the bearing member includes an outer ring and an inner ring connected to the filter disc, and the outer ring is provided with a plug-in part; the shell is characterized in that a step portion is arranged on the inner wall of the shell, an inserting groove is formed in the step portion, and the inserting portion is inserted into the inserting groove.

Optionally, the sanding device still includes filtering component, and basic coating filters through filtering component earlier, then enters into and grinds in the coarse grinding interval, and this filtering component includes filter box, the setting is at the filter screen in the filter box, is located the broken piece of filter screen top and drives the broken motor that works.

Optionally, broken piece includes connecting rod and broken sword, and the material of flocculation reunion in the basic coating is smashed through broken sword, is provided with the opening on this broken sword be provided with the cutter on the broken sword, the cutter is the slope setting.

In conclusion, the beneficial effects of the invention are as follows: according to the invention, the composite silicate aqueous solution, the mixed zeolite silicon powder and the calcium hydroxide aqueous solution are added into the coating, a crystalline coating film can be formed in the preparation process of the coating, the coating has the characteristics of heat resistance, fire resistance, radiation resistance and the like, and the coating contains hydroxide radicals at high temperature and can release water vapor at high temperature, so that the coating has a better fire-proof effect.

Drawings

FIG. 1 is a perspective view of the sander of the present invention.

Fig. 2 is a perspective view from another perspective of the sander of fig. 1.

FIG. 3 is a cross-sectional view of the sander of FIG. 1.

Fig. 4 is an exploded view of the sander of fig. 1.

FIG. 5 is a perspective view of the sanding apparatus of FIG. 1 in combination with a mounting bracket assembly.

FIG. 6 is an unassembled perspective view of the sanding apparatus and mounting bracket assembly of FIG. 5.

Fig. 7 is a sectional view of the sanding device of fig. 1 taken along the length thereof.

Fig. 8 is an enlarged view of a in fig. 7.

Fig. 9 is a cross-sectional view of the sanding device of fig. 1 taken along the width direction.

Fig. 10 is an exploded view of a filter assembly.

Fig. 11 is a perspective view of the heat sink of fig. 1.

Fig. 12 is an exploded view of the heat sink of fig. 11.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

The high-environmental-protection inorganic coating comprises the following raw materials in parts by mass: 18 parts of deionized water, 50 parts of calcium hydroxide, 25 parts of composite silicate aqueous solution, 4 parts of mixed zeolite silica powder, 15 parts of titanium dioxide, 25 parts of filler and 30 parts of dye. Wherein the composite silicate aqueous solution is prepared from the following components in parts by mass: 4: 1, mixing the lithium silicate aqueous solution, the sodium silicate aqueous solution and the methyl silicic acid emulsion; the mixed zeolite silica powder is prepared from the following components in parts by mass: 6: 1 zeolite powder, aluminum silicate fiber and silicon dioxide aerogel.

The filler comprises 4 parts of bentonite, 8 parts of mica powder and 12 parts of kaolin according to the mass parts. Meanwhile, the raw materials of the inorganic coating also comprise 12 parts of filling reinforcing solution, 0.4 part of flatting agent, 0.3 part of wetting agent, 0.9 part of inorganic thickening agent and 0.4 part of defoaming agent according to the mass parts; wherein the filling reinforcing solution is prepared from the following components in parts by mass: 3: 3: 4: 2 potassium silicate aqueous solution, silica sol, SHGL-103 type silica solution, mixing water and micro silicon powder.

1) firstly, adding 0.4 part of flatting agent, 0.3 part of wetting agent, 0.9 part of inorganic thickening agent and 0.4 part of defoaming agent in parts by mass into 18 parts of deionized water in a reaction kettle, and stirring and mixing for 30min to prepare a deionized water mixed solution;

2) sequentially adding 4 parts by mass of bentonite, 8 parts by mass of mica powder and 12 parts by mass of kaolin into the deionized water mixed solution, stirring at normal temperature, and then adding 50 parts by mass of calcium hydroxide, 4 parts by mass of mixed zeolite silicon powder and 15 parts by mass of titanium dioxide, and mixing to prepare the coating basic mixed solution;

3) adding 12 parts by mass of filling reinforcing solution, 25 parts by mass of composite silicate aqueous solution and 30 parts by mass of dye into the coating basic mixed solution in the step 2), mixing, and stirring for 30-50min in a vacuum environment;

And filtering the basic paint on a grinding machine, and then grinding the basic paint twice through coarse grinding and fine grinding to obtain the inorganic paint. Specifically, referring to fig. 1 and 3, the sander comprises a base 10, a sanding device 20, a driving device 30, and a control device 40, wherein the control device 40 controls the driving device to start, and the control device 40 is a controller of the existing sander. The base 10 is a metal base, and the base 10 is composed of a lower case 11, a leg 12, and a heat sink 13 on the case 11. This frame 10 it has support performance good, and in the time of sanding device 20 work, when partial heat conduction on the sanding device 20 was to quick-witted case 11, the metal characteristic of quick-witted case 11 self can be with the quick giving off of the heat on the sanding device 20 to guarantee that whole equipment operation in-process is in suitable temperature interval, improve equipment operation's stability slows down the ageing speed of equipment, improve equipment's life.

Referring to fig. 1 to 3 together, the chassis 12 is located at the bottom of the housing 11 and is used to support the housing 11 and other devices located on the housing 11. The machine feet 12 keep the bottom of the machine case 11 and the ground of a workshop at a certain distance, and the distance enables heat on the machine case 11 to be quickly dissipated to the environment, so that the heat dissipation efficiency of the heat dissipation sand mill is improved. And the distance is kept between the machine leg 12 and the case 11, so that the friction between the sand mill and the ground in the carrying process is avoided, the abrasion and the oxidation of the paint surface of the outer wall of the case 11 are reduced, and the service life of the case 11 is prolonged. The number of the legs 12 is four, and the four legs 12 correspond to and are close to four corners of the cabinet 11. The machine leg 12 is composed of a screw 121 and a foot 122, the upper end of the screw 121 is connected to the bottom position of the machine case 11 through threads, the foot 122 is connected to the lower end position of the screw 121 through threads, the screw 121 can be detached by adopting the mode of the screw 121, and the machine leg can be conveniently conveyed in a sand mill. And footing 122 is the plastics foot of high strength high wear resistance, and the middle part of footing 122 and the lower extreme looks spiro union of screw rod 121, and the height of every footing 122 can be adjusted from this, improves the adaptability of sand mill to operational environment to can adjust the sand mill and be in horizontal position department, improve the stability of sand mill work, reduce the fault rate of sand mill. The upper end surface of the foot 122 protrudes upwards to form a rotation stopping convex part 122a, the rotation stopping convex part 122a is in a cross structure, and the central point of the cross rotation stopping convex part 122a is on the central axis 211 line of the length direction of the screw rod 121, so that the rotation stopping convex part 122a increases the local thickness of the foot 122, and therefore the contact area between the foot 122 and the screw rod 121 is increased, and the contact efficiency between the foot 122 and the screw rod 121 is good, and the supporting force is strong. The rotation stopping protrusion 122a can facilitate a tool such as a wrench to clamp the rotation stopping protrusion 122a, so as to drive the foot 122 to rotate when the foot 122 is subjected to the gravity of all devices on the chassis 11, thereby changing the height of the foot 122 to the chassis 11.

Referring to fig. 1, 3 and 4, the sanding device 20 is located at the upper portion of the housing 11, and the driving device 30 is a motor for driving the sanding device 20. The driving device 30 is disposed in the case 11, and the heat sink 13 is disposed on the case 11 for extracting heat generated by the driving device 30 during operation into the environment, so as to perform heat dissipation treatment on the driving device 30, thereby ensuring that the driving device 30 can operate stably for a long time. Specifically, the heat sink 13 includes a door 131, a heat dissipation fan 132, and a heat dissipation motor 133, where the door 131 forms a side door of one side of the chassis 11, and one side of the door 131 is rotatably connected to the chassis 11 by a hinge, so that the door 131 can be directly opened. The door 131 is provided with a plurality of square heat dissipation holes 1310, so that heat inside the case 11 can be quickly dissipated from the heat dissipation holes 1310. The connection bearing 134 is installed on the door 131 through a bolt, and the shaft of the heat dissipation fan 132 passes through the connection bearing 134, so that the heat dissipation fan 132 can stably rotate when the heat dissipation motor 133 is driven by the heat dissipation fan 132, and the friction force applied to the heat dissipation fan 132 is reduced.

Referring to fig. 11 to 12, four connection blocks 1311 are integrated at the center of the door body 131 and on the side wall near the driving device 30, the connection blocks 1311 being equally spaced in the circumferential direction, and the cross section of the connection block 1311 is an eighth circular arc. The connection bearings 134 are inserted into a cylinder surrounded by the four connection blocks 1311, whereby the connection blocks 1311 support and position the connection bearings 134. The inner wall of the connecting block 1311 protrudes toward the center to form a strip-shaped connecting protrusion 1311a, and the outer wall of the outer ring of the connecting bearing 134 is recessed toward the center of the connecting bearing 134 along the height direction of the connecting bearing 134 to form a strip-shaped connecting groove 1341, so that when the connecting bearing 134 is placed in the ring formed by the four connecting blocks 1311, the connecting groove 1341 is fitted into the connecting groove 1341. The coupling protrusion 1311a is formed in a bar structure, and a contact area thereof is large, so that a frictional force between the coupling protrusion 1311a and an inner wall of the coupling groove 1341 is large, and thus, when the heat dissipation fan 132 rotates, the coupling bearing 134 has a better stability in operation. Each connecting block 1311 is screwed with a fixing bolt 1312, the fixing bolt 1312 penetrates through the connecting block 1311 and then is screwed on the outer ring of the connecting bearing, and the four bolts can well fix the heat radiation fan 132. In order to protect the heat dissipation fan 132 from damaging maintenance personnel when the door body 131 is opened, a protective mesh enclosure 135 is fixed to the door body 131 through screws, and the protective mesh enclosure 135 blocks the heat dissipation fan 132, so that the safety when the door body 131 is opened is guaranteed. The heat radiation fan 132 is installed on the door 131, and the space of the machine box 11 is fully utilized, so that the volume of the machine box 11 is small, and the volume of the whole sand mill is controllable. When the heat dissipation fan 132 is damaged, the heat dissipation fan 132 can be maintained by opening the door 131, and the repair is convenient.

As shown in fig. 1-4, the sanding device 20 is located at the top end of the chassis 11 and the sanding device 20 is located directly above the drive 30 so that the weight of the sanding device 20 and the drive 30 are superimposed, which is located in a central position of the chassis 11. The sanding device 20 is filled with grinding media and is used to generate friction and shear when the internal components move at high speed, so that the basic paint in the sanding device 20 is ground and dispersed. Specifically, the sanding device 20 includes a dispersion plate 21 and a housing 22, wherein the dispersion plate 21 is composed of a central shaft 211 and a plurality of disc bodies 212 sleeved on the central shaft 211, the disc bodies 212 are disposed on the central shaft 211 at equal intervals, and one end of the central shaft 211 is connected to a protruding part on the upper portion of the case 11 through a ball bearing, and then the central shaft 211 is driven to rotate through a speed reduction assembly, the disc bodies 213 and a belt. The belt is connected to a pulley on the driving device 30, so that the driving device 30 drives the central shaft 211 to rotate at a high speed through the belt.

Furthermore, a weight plate 214 is disposed at one end of the central shaft 211 close to the pulley 219, and the weight plate 214 is a lead plate. Through the setting of counterweight plate 214, it is when drive arrangement 30 drives the dispersion impeller 21 rotatory, and counterweight plate 214 can rotate in the lump together with dispersion impeller 21, and its whole quality is big, and inertia is big, and consequently drive arrangement 30 only need drive dispersion impeller 21 and rotate at the great power in the initial stage, and then can reduce power output in the later stage, consequently can reduce the energy consumption of sand mill. A partition plate 215 is provided at a middle position near the central axis 211, and the partition plate 215 partitions the space inside the housing 22 into two spaces, a space far from the weight plate 214 is a rough polishing zone 20a, and a space near the weight plate 214 is a fine polishing zone 20 b. The housing 22 is provided with a first passage 221 for receiving a polishing medium and a second passage 222, the first passage 221 corresponding to the rough polishing zone 20a and the second passage 222 corresponding to the fine polishing zone 20 b. The sanding space within housing 22 is divided into two abrasive regions of different sizes, which are actually achieved by the introduction of abrasive media of different particle sizes. The mode can realize quick friction and shearing to basic coating to can be better with the more careful of basic coating shearing.

As shown in fig. 5 to 9, a ring of filter discs 216 is adhered or integrated on the outer edge of the separating disc 215, and the thickness of the filter discs 216 is smaller than that of the separating disc 215. The filter disc 216 is a circular ring-shaped metal disc. This filter disc 216 is convenient for the basic paint in the coarse grinding interval 20a to enter into the fine grinding interval 20b through filter disc 216 and carry out the fine grinding, realizes passing through basic paint automatically, improves basic paint grinding efficiency. And a bearing member 217 is fitted around the outer edge of the filter disc 216. When the bearing member 217 ensures that the dispersion board 21 rotates, and the separation board 215 and the filter board 216 rotate synchronously with the central shaft 211 in the casing 22, the dispersion board 21 rotates without friction, so that the resistance of the dispersion board 21 is reduced, and the heat inside the casing 22 is reduced. The bearing member 217 is a sealed bearing, the bearing member 217 comprises an outer ring 2171 and an inner ring 2172, wherein the inner wall of the inner ring 2172 is recessed away from the midpoint of the bearing member 217 to form a recessed ring, the width of the recessed ring is substantially the same as the thickness of the filter disc 216, the recessed ring is sleeved on the outer edge of the filter disc 216, a wear-resistant and high-temperature-resistant plastic member 2173 is bonded on the inner ring 2172, the plastic member 2173 is a circular ring, and the side wall of the plastic member 2173 is a bevel. Plastic member 2173 may block the grinding media from getting caught between inner ring 2172 and filter disc 216. The outer ring 2171 is provided with a plug portion 2171a, the plug portion 2171a is a convex circular ring formed by the outward protrusion of the side wall of the outer ring 2171, and the inner wall of the plug portion 2171a is provided with a clamping groove 2171b with a V-shaped cross section. A stepped portion 229 is formed on an inner wall of the housing 22, the stepped portion 229 is inwardly recessed to form a fitting groove 2291, and the fitting portion 2171a is inserted into the fitting groove 2291, so that the outer ring 2171 of the solid bearing 217 is connected to the stepped portion 229. An elastic snap ring 2291a having a V-shaped section is provided on the inner wall of the insertion groove 2291, and after the insertion portion 2171a is inserted into the female ring, the snap ring 2291a can be snapped into the snap groove 2171b to fix the outer ring 2171. By inserting the snap ring 2291a into the snap groove 2171b, the seamless connection between the snap ring and the snap groove 2171b is achieved, and the grinding medium is prevented from entering the snap groove 2171b, which can facilitate the housing 22 to be withdrawn away from the weight plate 214 when the housing 22 is disassembled, thereby facilitating the connection between the bearing member 217 and the housing 22.

Referring also to fig. 5-9, a cooling chamber 228 is provided in the housing 22, and a heat dissipating rib 2281 is provided in the cooling chamber 228, the heat dissipating rib 2281 being a metal rib. Radiating convex rib 2281 can strengthen between medium and the dispersion impeller 21 mutual friction and the heat transfer that produces to the coolant liquid in the cooling chamber 228 in the middle of, improve coolant liquid and the inside thermal replacement efficiency of casing 22, the guarantee carries out the stability of sanding to basic coating. An inlet pipe 227 and an outlet pipe 226 are connected to the housing 22, and the cooling liquid enters the cooling chamber 228 from the inlet pipe 227 and then flows out of the cooling chamber 228 through the outlet pipe 226.

An end cover 23 is connected to one end of the housing 22, the end cover 23 is connected to the housing 22 through bolts, and a cavity 231 is formed in the end cover 23. The cavity 231 is filled with a refrigerant which is water, and the end cover 23 is filled with the refrigerant, so that the heat of the end cover 23 can be effectively reduced, and the potential safety hazard caused by overheating of the end cover 23 is avoided. The other end of the housing 22 is connected with the liquid outlet pump 24, the liquid outlet pump 24 comprises a pump shell 241 and a pump wheel 242, the pump shell 241 is connected with one end of the housing 22, a liquid inlet 2411 is arranged at the end where the pump shell 241 is connected with the housing 22, a liquid outlet pipe 2412 is arranged at the upper part of the pump shell 241, and the pump wheel 242 is connected with the central shaft 211, so that the pump wheel 242 can be driven to rotate when the central shaft 211 rotates, the liquid outlet pump 24 can continuously pump the internal basic paint from the rough grinding section 20a to the fine grinding section 20b, the efficiency of the basic paint passing through the filter disc 216 is accelerated, and the efficiency of the basic paint flowing inside the housing 22 is also improved, so that the basic paint can continuously pass through gaps between grinding media, and the grinding efficiency and the grinding effect of the sand-ground basic paint are improved.

Referring to fig. 5-9 and 10, the feeding pipe 225 is connected to the housing 22, the filtering assembly 25 is connected to the feeding pipe 225, the filtering assembly 25 filters the basic paint entering the rough grinding area 20a, so as to filter out the agglomerated or agglomerated basic paint, and further process the basic paint, so as to prevent the agglomerated or agglomerated basic paint from being blocked, ensure the grinding medium to grind the basic paint uniformly, and ensure the basic paint to be ground uniformly. The filtering component 25 comprises a filter box 251, a filter screen 252, a crushing piece 253 and a crushing motor 254, wherein the filter box 251 is a basic paint box made of transparent materials, the condition inside the filter box 251 can be observed conveniently by the transparent filter box 251, and therefore the condition that basic paint becomes flocculation and agglomeration is judged, and timely adjustment is facilitated. A first pipeline 2511 is connected to the lower portion of the filter box 251, the first pipeline 2511 is connected to the feeding pipe 225, a second pipeline 2512 is arranged at the upper portion of the filter box 251, the second pipeline 2512 is a pipeline for basic dope to enter, a supporting convex ring 2515 is arranged between the first pipeline 2511 and the second pipeline 2512, and the supporting convex ring 2515 is a circle of convex ring formed by the outward protrusion of the inner wall of the filter box 251. The filter screen 252 is mounted on the supporting protrusion 2515, the filter screen 252 includes a metal ring body 2521 and a screen body 2522 connected to the ring body 2521, and the ring body 2521 is mounted on the supporting protrusion 2515. The crushing member 253 is above the mesh body 2522, and the crushing motor 254 drives the crushing member 253 to rotate inside the filter cartridge 251, thereby stirring the base paint entering the filter cartridge 251 and crushing the agglomerated base paint. Broken piece 253 basic coating carries out the breakage to can be quick break up the basic coating that flocculates into a group and smash, and then basic coating can follow the basic coating that follow-up came in and enter into the coarse grinding interval 20a in, improve basic coating by the volume of grinding and basic coating by the efficiency of grinding.

Specifically, the crushing member 253 includes a connecting rod 2531 and a crushing blade 2532, wherein the crushing blade 2532 is of an inverted L-shaped structure, and the crushing blade 2532 of the structure can collide with the basic paint and form a splashing effect inside the filter box 251 with the basic paint, so that the basic paint can collide with the inner wall of the filter box 251, and a small amount of flocculated basic paint can be scattered. And an opening 2532a is formed on the crushing blade 2532, the opening 2532a is a port along the length direction of the crushing blade 2532, the base paint can pass through the opening 2532a, so that the base paint inside is formed, and a cutter 2532b is arranged on the crushing blade 2532, the cutter 2532b is arranged in an inclined manner, and the crushing blade 2532 can rapidly break up the flocculated base paint. A brush 2532c is provided under the crushing blade 2532, the brush 2532c is made of silica gel, and the brush 2532c is in contact with the mesh body 2522, so that the brush 2532c can press the basic paint cake accumulated on the filter screen 252 to the lower side of the filter screen 252, and the contact between the filter screen 252 and the basic paint is sufficiently utilized to scatter the basic paint in a third order.

Further, referring to fig. 4 to 6, a mounting bracket assembly for supporting the sanding device 20 is provided on the case 11, and the mounting bracket assembly includes two support rails 141 fixed to both sides of the case 11, cross bars 142, and fixing clips 143 clamping the housing 22, wherein the support rails 141 are metal rails, rollers 1421 are provided at both left and right ends of each cross bar 142, respectively, the rollers 1421 ride on the support rails 141, and the rollers 1421 can move back and forth on the support rails 141. Each cross bar 142 is connected with two fixing clips 143, the two fixing clips 143 form an omega-shaped structure, a shockproof strip 1431 is bonded on the inner side wall of each fixing clip 143, the shockproof strip 1431 is a heat-resistant rubber strip in contact with the outer wall of the shell 22, the shockproof strip 1431 can absorb shock brought by the rotation process of the dispersion disc 21, and stability of the sub-sanding device 20 in the working process is improved. The cross bar 142 is provided with a heat dissipation strip 1422, the heat dissipation strip 1422 is a bent metal strip, the heat dissipation strip 1422 contacts the housing 22, the heat dissipation strip 1422 can support the housing 22, and can also quickly conduct and dissipate heat on the housing 22 to the environment, which ensures the working stability of the sanding device 20, and the heat dissipation strip 1422 is bent and has certain elasticity, so that vibration conducted by the housing 22 can be transmitted to the heat dissipation strip 1422, and the heat dissipation strip 1422 has a heat dissipation and shock absorption effect.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.

It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, the foregoing description of the preferred embodiments of the present application, as defined by the phrase "comprising an … …", does not exclude the presence of additional identical elements in a commodity or system including such elements, but, as noted above, should be understood not to limit the application to the form disclosed herein, but rather should be construed to exclude other embodiments and be applicable to various other combinations, modifications, and environments and may be modified within the scope of the application as contemplated herein, either by the above teachings or by the skill or knowledge in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims

1. The high-environmental-protection inorganic coating is characterized by comprising the following raw materials in parts by mass:

13-20 parts of deionized water

45-55 parts of calcium hydroxide

22-32 parts of composite silicate aqueous solution

3-5 parts of mixed zeolite silica powder

12-18 parts of titanium dioxide

20-30 parts of filler

20-40 parts of dye

The composite silicate aqueous solution is prepared from the following components in parts by mass: 3-5: 1, mixing the lithium silicate aqueous solution, the sodium silicate aqueous solution and the methyl silicic acid emulsion; the mixed zeolite silicon powder is prepared from the following components in parts by mass: 5-7: 1 zeolite powder, aluminum silicate fiber and silicon dioxide aerogel.

2. The high-environment-friendly inorganic coating as claimed in claim 1, further comprising 10-15 parts by weight of a filling and reinforcing solution, wherein the filling and reinforcing solution is prepared from a raw material of, by weight: 3: 2-5: 3-5: 2 aqueous solution of potassium silicate, silica sol, SHGL-103 type silica solution, water for mixing and micro silicon powder.

3. The inorganic coating according to claim 2, wherein the filler comprises 3-5 parts by mass of bentonite, 5-10 parts by mass of mica powder and 10-15 parts by mass of kaolin.

4. The inorganic coating material of claim 3, further comprising 0.3 to 0.5 parts of a leveling agent, 0.3 to 0.5 parts of a wetting agent, 0.8 to 1 part of an inorganic thickener, and 0.3 to 0.5 part of an antifoaming agent, in parts by mass.

5. A method for preparing the high environmental-friendly inorganic paint as claimed in claim 4, characterized by comprising the steps of:

firstly, adding 0.3-0.5 part of flatting agent, 0.3-0.5 part of wetting agent, 0.8-1 part of inorganic thickener and 0.3-0.5 part of defoaming agent in parts by mass into 15-25 parts of deionized water in parts by mass in a reaction kettle, stirring and mixing for 15-45min to prepare a deionized water mixed solution;

sequentially adding 3-5 parts by mass of bentonite, 5-10 parts by mass of mica powder and 10-15 parts by mass of kaolin into the deionized water mixed solution, stirring at normal temperature, and then adding 45-55 parts by mass of calcium hydroxide, 3-5 parts by mass of mixed zeolite silicon powder and 10-15 parts by mass of titanium dioxide for mixing to prepare the coating basic mixed solution;

adding 10-15 parts by mass of filling reinforcing solution, 25-35 parts by mass of composite silicate aqueous solution and 20-40 parts by mass of dye into the coating basic mixed solution obtained in the step 2), mixing, and stirring for 30-50min in a vacuum environment to obtain a basic coating;

pumping the basic paint in the step 3) into a grinder for coarse grinding and fine grinding to prepare the inorganic paint.

6. The method for preparing inorganic paint with high environmental protection as claimed in claim 5, wherein the sand mill comprises a base, a sand mill device, a driving device for driving the sand mill device to work, and a control device, wherein the sand mill device has a rough grinding section and a fine grinding section communicated with the rough grinding section, and the basic paint enters the rough grinding section for rough grinding and then flows into the fine grinding section for secondary grinding.

7. The method for preparing inorganic paint with high environmental protection as claimed in claim 6, wherein the sanding device comprises a dispersion plate and a housing sleeved outside the dispersion plate, the dispersion plate comprises a central shaft and a plate body, a separation plate is arranged on the central shaft, a filter plate is arranged on the separation plate, and a bearing member connected with the housing is arranged on the filter plate.

8. The method for preparing the high-environmental-protection inorganic coating according to claim 7, wherein the bearing piece comprises an outer ring and an inner ring connected with the filter disc, and the outer ring is provided with a plug-in part; the shell is characterized in that a step portion is arranged on the inner wall of the shell, an inserting groove is formed in the step portion, and the inserting portion is inserted into the inserting groove.

9. The method for preparing high-environmental-protection inorganic paint according to claim 7, wherein the sanding device further comprises a filtering component, the basic paint is filtered by the filtering component and then enters the coarse grinding area for grinding, and the filtering component comprises a filter box, a filter screen arranged in the filter box, a crushing piece positioned above the filter screen and a crushing motor for driving the crushing piece to work.

10. The method for preparing high-environmental-protection inorganic paint according to claim 9, wherein the crushing member comprises a connecting rod and a crushing knife, the flocculated material in the base paint is crushed by the crushing knife, the crushing knife is provided with an opening, and the crushing knife is provided with a cutting knife which is arranged in an inclined manner.