CN110559823A

CN110559823A - nano coating process system and process method thereof and coating formula

Info

Publication number: CN110559823A
Application number: CN201910873309.4A
Authority: CN
Inventors: 程莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2019-12-13

Abstract

the invention discloses a nano coating process system, which comprises a dispersion unit, a filling unit and a pollution treatment unit, wherein the dispersion unit comprises a dispersion tank, a filling tank and a pollution treatment unit; the pollution treatment unit comprises a collection device, a washing device and a photolysis device; the photolysis chamber includes a housing; the bottom of the shell is provided with a plurality of first sliding chutes; the first sliding chutes are arranged in parallel at intervals along the length direction of the shell; a first clapboard is arranged in the first chute in a matching way; a ventilation hole is formed in the plate surface of the first partition plate along the thickness direction; a flow choking window is arranged in the vent hole; the length of the first clapboard is smaller than that of the first sliding chute; a first extending plate and a second extending plate are correspondingly embedded at two sides of the first partition plate; the flexible design of the air channel can be realized by adjusting the extension and retraction of the extension plates at the two sides, and the ventilation holes can be independently selected to be blocked or not; when the vent hole is not blocked, the effect of slowing down the wind speed can be realized by utilizing the blocking facilities in the vent hole.

Description

Nano coating process system and process method thereof and coating formula

Technical Field

the invention relates to the field of paint production, in particular to a nano paint process system, a process method and a paint formula.

Background

During the production of coatings, a lot of exhaust gases are generated. The traditional waste gas treatment usually adopts a direct combustion mode, but the decomposition effect of simple combustion is limited, and secondary pollutants are easily generated. Therefore, it is necessary to invent a nano coating process system with excellent waste gas treatment effect and recycling of the absorption medium.

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 nano coating process system which has excellent waste gas treatment effect and can recycle absorption media.

the technical scheme is as follows: in order to achieve the aim, the nano coating process system comprises a dispersing unit, a filling unit and a pollution treatment unit; the pollution treatment unit comprises a collection device, a washing device and a photolysis device; the inlet end of the collecting device corresponds to the site positions of the dispersing unit and the filling unit; the outlet end of the collecting device is communicated with the inlet end of the washing device; the outlet end of the washing device is communicated with the inlet end of the photolysis device;

The photolysis device comprises a photolysis chamber; the photolysis chamber includes a housing; the two ends of the shell along the length direction of the shell are respectively provided with a feed inlet and a discharge outlet; the washed waste enters the photolysis chamber through the feed inlet, passes through the inner space of the shell and is discharged through the discharge outlet; an ultraviolet lamp tube is arranged at the top of the shell; the length direction of the ultraviolet lamp tube is consistent with that of the shell;

The bottom of the shell is provided with a plurality of first sliding chutes; the first sliding chutes are arranged in parallel at intervals along the length direction of the shell; a first clapboard is arranged in the first chute in a matching way; a ventilation hole is formed in the plate surface of the first partition plate along the thickness direction; the length of the first clapboard is smaller than that of the first sliding chute; a first extending plate and a second extending plate are correspondingly embedded at two sides of the first partition plate; the first extension plate and the second extension plate freely extend and retract along the length direction of the first partition plate; the moving ranges of the first extending plate and the second extending plate correspond to the space positions between the first partition plate and the shell.

furthermore, a flow resisting window is arranged in the vent hole; the flow resisting window comprises a frame body and a grating plate; a second sliding groove is formed in the inner wall of the frame body; the edge of the grating plate extends outwards to form a lug; the lug is matched with the second sliding groove; the plurality of grating plates are arranged in the frame in an overlapping manner; the grid plate is internally provided with a plurality of unidirectional rows of air guide sheets; the arrangement directions of the adjacent air guide pieces are mutually vertical; a first elastic part is clamped between the lugs of the adjacent grating plates; and a pressing part is arranged at the opening of the second sliding chute.

Further, the grid plate also includes a structural member; the convex block is fixedly connected and arranged on the outer side of the structural part; the air guide sheet comprises a sheet body; a first rotating part and a second rotating part are respectively arranged at two ends of the sheet body; one end of the sheet body is provided with a second sliding groove; the first rotating part is arranged in the second sliding groove in a telescopic mode; a second elastic piece is arranged between the root of the first rotating part and the bottom of the second sliding groove; a first positioning hole is formed in the inner wall of the structural part; one end of the first rotating part, which is far away from the second elastic piece, is nested and matched with the first positioning hole; the inner wall of the structural part is also provided with a third sliding chute; a second positioning hole is formed in the length center of the third sliding groove; the second rotating part is of a plate-shaped structure and is in sliding fit with the third sliding groove; the second rotating part corresponds to the second positioning hole in size, is correspondingly embedded into the second positioning hole and rotates freely; a pin is embedded in the second positioning hole; a clamping groove is formed in the tip end of the pin embedded into the second positioning hole; the clamping groove is correspondingly matched with the second rotating part.

further, the washing device is provided with a material containing cavity; the absorption liquid is contained in the material containing cavity; the bottom of the material containing cavity is communicated with an air inlet pipe; the material containing cavity is a container with an open upper end; a sealing plate is correspondingly arranged at the top of the material containing cavity; the sealing plate is communicated with an air outlet pipe; waste gas from the collecting device passes through the gas inlet pipe to enter the material containing cavity and is discharged from the gas outlet pipe;

the upper end of the side wall of the material containing cavity is provided with a limiter; the limiting stopper comprises a box body, a first embedded block and a second embedded block; the plurality of box bodies are arranged on two opposite side walls of the material containing cavity in pairs; the first embedded block and the second embedded block are clamped on the upper side and the lower side of the sealing plate in the height direction; the first embedded block and the second embedded block freely extend and retract in the limiter along the horizontal direction.

further, a second partition plate is arranged inside the material containing cavity; the second partition plate comprises a first plate body and a second plate body; the first plate body is fixedly connected with the side wall of the material containing cavity; the second plate body is telescopically embedded on the first plate body; the second partition plate is arranged below the liquid level of the absorption liquid in the height direction; the extension range of the second partition plate isolates the inner spaces of the material containing cavities above and below;

The air inlet pipe corresponds to the first plate body in the vertical direction; the air inlet pipe is communicated with an auxiliary pipe; one end of the auxiliary pipe, which is far away from the air inlet pipe, is communicated with the side wall of the material containing cavity, and the communication position is positioned between the second partition plate and the liquid level of the absorption liquid in the height direction; a switching valve is arranged at the joint of the air inlet pipe and the auxiliary pipe; the bottom of the material containing cavity is also communicated with a material discharging pipe; the upper end of the side wall of the material containing cavity is communicated with a material inlet pipe; the height of the feed pipe is smaller than that of the sealing plate.

Furthermore, a sampling tube is arranged in the material containing cavity; the lower end of the sampling tube extends to the bottom of the material containing cavity, and the upper end of the sampling tube extends to the outside of the material containing cavity; a sealing element is embedded at the interface of the feeding pipe, and a one-way valve is arranged on the sealing element; the discharge pipe is correspondingly provided with a communicating valve.

Further, the process method of the nano-coating process system comprises the following steps,

Conveying waste gas in a collecting device into a washing device by using a fan, wherein the waste gas enters a material containing cavity from an air inlet pipe, after the waste gas is contacted with water, part of organic waste gas is dissolved in absorption liquid, and the rest waste gas continuously rises and leaves the material containing cavity through an air outlet pipe;

Adjusting the position of a second partition plate to enable the inner space of the shell to be called a bent air duct; the washed waste enters the photolysis chamber from the feed inlet and flows in the shell under the guidance of the partition plate, and the ultraviolet lamp tube at the top of the shell continuously irradiates the waste to deodorize and deodorize the waste;

When the waste continuously passes through the flow resisting windows on the second partition plate and is deflected towards different grating plates by multiple layers, the flow speed of the waste is greatly reduced, so that the retention time of the waste in the shell is prolonged, and the photolysis is more sufficient;

Step four, when the absorption concentration in the absorption liquid in the material containing cavity is close to a process set threshold, extending the second plate body to isolate the absorption liquid at the upper part and the lower part of the first clapboard; then adjusting the switching valve to make the waste gas enter the absorption liquid above the first partition plate from the auxiliary pipe; opening the communicating valve to discharge the absorption liquid below the first partition plate from the discharge pipe; then the communicating valve is closed again, the switching valve is adjusted to enable the exhaust gas flow path to correspond to the air inlet pipe again, the second plate body is retracted, new absorption liquid is added into the material containing cavity from the material inlet pipe, and the liquid level is restored to the original liquid level;

And step five, fractionating the absorption liquid discharged from the material containing cavity, and reusing the obtained pure absorption liquid for recycling.

Further, the nano coating formula comprises 200-300 parts of water, 420-500 parts of water-based resin, 70-85 parts of film-forming additive, 5-8 parts of defoaming agent, 10-15 parts of thickening agent, 12-15 parts of dispersing agent, 50-60 parts of heat-insulating material and 20-35 parts of photolysis material;

wherein the water-based resin is one or a mixture of acrylic acid and acrylic acid derivatives; the film-forming auxiliary agent is propylene glycol butyl ether; the thickening agent is polyacrylate; the defoaming agent is polysiloxane-polyether copolymer; the dispersant is polyacrylate; the heat-insulating material is a mixture of diatomite and bentonite, and the mixing ratio of the diatomite to the bentonite is 1: 1; the photolysis material is nano titanium dioxide powder and mesoporous silver, and the mixing ratio of the nano titanium dioxide powder to the mesoporous silver is 2: 1.

has the advantages that: the invention relates to a nano coating process system, which comprises a dispersing unit, a filling unit and a pollution treatment unit; the pollution treatment unit comprises a collection device, a washing device and a photolysis device; the photolysis chamber includes a housing; the bottom of the shell is provided with a plurality of first sliding chutes; the first sliding chutes are arranged in parallel at intervals along the length direction of the shell; a first clapboard is arranged in the first chute in a matching way; a ventilation hole is formed in the plate surface of the first partition plate along the thickness direction; a flow choking window is arranged in the vent hole; the length of the first clapboard is smaller than that of the first sliding chute; a first extending plate and a second extending plate are correspondingly embedded at two sides of the first partition plate; the first extension plate and the second extension plate freely extend and retract along the length direction of the first partition plate; the moving ranges of the first extending plate and the second extending plate correspond to the spatial positions between the first partition plate and the shell; the flexible design of the air channel can be realized by adjusting the extension and retraction of the extension plates at the two sides, and the ventilation holes can be independently selected to be blocked or not; when the vent holes are blocked, the plurality of first partition plates are distributed in a left-right staggered manner to obtain a continuous S-shaped air channel; when the vent hole is not blocked, the effect of slowing down the wind speed can be realized by utilizing the blocking facilities in the vent hole.

Drawings

FIG. 1 is a schematic view of the overall structure of a photolysis chamber;

FIG. 2 is a schematic view of the flow of the waste gas from the photolysis chamber;

FIG. 3 is a schematic view of a choke window configuration;

FIG. 4 is a schematic view of the installation of the air guiding plate;

FIG. 5 is a schematic view of the overall structure of the washing apparatus;

FIG. 6 is a schematic view of the internal structure of the washing apparatus.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

a nano coating process system comprises a dispersing unit, a filling unit and a pollution treatment unit; the pollution treatment unit comprises a collection device, a washing device 2 and a photolysis device 3; the inlet end of the collecting device corresponds to the site positions of the dispersing unit and the filling unit; the outlet end of the collecting device is communicated with the inlet end of the washing device 2; the outlet end of the washing device 2 is communicated with the inlet end of the photolysis device 3; the dispersing unit is mainly used for fully and uniformly stirring various raw materials of the coating through stirring, and the stirring device, the matched container, the container of the filling equipment and the valve can be directly purchased and obtained, so that the repeated description is omitted.

As shown in fig. 1, the photolysis apparatus 3 includes a photolysis chamber 31; the photolysis chamber 31 includes a housing 311; the two ends of the shell 311 along the length direction are respectively provided with a feed inlet 301 and a discharge outlet 302; the washed waste enters the photolysis chamber through the feed inlet 301, passes through the inner space of the shell 311 and is discharged through the discharge outlet 302; an ultraviolet lamp tube 312 is arranged at the top of the shell 311; the length direction of the ultraviolet lamp tube 312 is consistent with that of the shell 311, so that the ultraviolet lamp tube can be irradiated in the whole gas flowing process, and the effects of deodorization and oxidative decomposition are achieved by using high-energy light beams and associated ozone; can effectively remove volatile gases such as hydrogen sulfide, ammonia gas, thiols and the like in the waste gas and other foul smell.

the bottom of the shell 311 is provided with a plurality of first sliding grooves 313; the first sliding chutes 313 are arranged in parallel at intervals along the length direction of the shell 311; a first clapboard 32 is arranged in the first sliding chute 313 in a matching way; a vent hole 321 is formed in the plate surface of the first partition plate 32 along the thickness direction; the length of the first partition plate 32 is smaller than that of the first sliding groove 303; a first extension plate 33 and a second extension plate 34 are correspondingly embedded at two sides of the first partition plate 32; the first extension plate 33 and the second extension plate 34 are freely retractable in the longitudinal direction of the first partition plate 32; the moving ranges of the first extending plate 33 and the second extending plate 34 correspond to the spatial positions between the first partition plate 32 and the housing 311; the flexible design of the air duct can be realized by adjusting the extension and retraction of the extension plates at the two sides, and the vent hole 321 can be independently selected to block the air duct; when the vent holes 321 are blocked, the first partition plates 32 are distributed in a left-right staggered manner to obtain a continuous S-shaped air channel; when the vent hole 321 is not blocked, the effect of reducing the wind speed can be realized by using the blocking facilities in the hole; as shown in fig. 2, the continuous broken line with arrows represents the flow path of the exhaust gas, the first two turns are realized by the first partition plates 32 arranged along the two sides of the length direction of the housing 311 in a staggered manner, the second two flow rate reductions are realized by the flow blocking facilities in the vent holes 321, and the installation and process adjustment personnel can adjust the first partition plates 32 at any time by means of the first chutes 313, so as to realize the corresponding adjustment of the photolysis time of the exhaust gas with different pollutant contents.

as shown in fig. 3, a choke window 35 is disposed in the vent hole 321; the choke window 35 includes a frame 351 and a grating plate 352; the frame 351 and the vent hole 321 are connected to each other; a second sliding chute 353 is arranged on the inner wall of the frame body 351; a lug 354 extends outwards from the edge of the grid plate 352; the projection 354 is engaged with the second slide slot 353; a plurality of grid plates 352 are stacked in the frame 351; the grid plate 352 is internally provided with a plurality of unidirectional rows of air guide sheets 36; the arrangement directions of the adjacent air guide pieces 36 are mutually vertical; a first elastic piece 356 is clamped between the convex blocks of the adjacent grating plates 352; a pressing part is arranged at an opening of the second chute 353; the pressing piece is connected to the frame 351 through the matching of the bolt and the mounting hole 357, and presses the grid plate and the first elastic piece 356 in the frame 351; when the waste passes through the flow resisting window 35, the grid plate is displaced by wind pressure, and the first elastic piece 356 is stressed to contract, so that a part of impact force is absorbed, and the grid plate is prevented from being damaged;

as shown in FIG. 4, the grid plate 352 further includes structural members 369; the lug 354 is fixedly connected and arranged on the outer side of the structural part 369; the bump portions have been hidden in the drawings for the structural display to be clearer; the air guiding sheet 36 comprises a sheet body 361; a first rotating part 362 and a second rotating part 363 are respectively arranged at two ends of the sheet body 361; one end of the sheet body 361 is provided with a second sliding groove 364; the first rotating part 362 is telescopically arranged in the second sliding groove 364; a second elastic piece 365 is arranged between the root of the first rotating part 362 and the bottom of the second sliding groove 364; a first positioning hole 358 is formed in the inner wall of the structural part 369; one end of the first rotating part 362 far away from the second elastic element 365 is in nested fit with the first positioning hole 358; a third sliding groove 359 is further formed in the inner wall of the structural part 369; a second positioning hole 360 is formed in the center of the length of the third sliding groove 359; the second rotating part 363 is a plate-shaped structure and is in sliding fit with the third sliding groove 359; the second rotating part 363 corresponds to the second positioning hole 360 in size, is correspondingly embedded into the second positioning hole 360 and freely rotates; a pin 300 is embedded in the second positioning hole 360; a clamping groove 350 is formed at the tip of the pin 300 embedded in the second positioning hole 360; the clamping groove 350 is correspondingly matched with the second rotating part 363;

in actual installation, the first rotating part 362 is pressed to retract, and the corresponding end of the first rotating part is placed into the first positioning hole 358 along the second sliding chute 364; then, the second rotating part 363 is placed into the second positioning hole 360 along the third sliding groove 359; then, the sheet body 361 is released, and the second rotating portion 363 is pushed by the extension force of the second elastic member 365 to be completely inserted into the second positioning hole 360; the sheet body 361 is adjusted to a required deflection angle, then the clamping groove 350 is aligned with the second rotating part 363, the pin 300 is embedded into the second positioning hole 360, and the position fixing of the air deflector 36 is completed; the fixing mode of the air guide pieces 36 is accurate, the user-defined blocking effect of various grid nets can be achieved, and the adaptability of the process system to different kinds of waste gas is obviously improved.

As shown in fig. 5 and 6, the material containing cavity 21 of the washing device 2; the material containing cavity 21 contains absorption liquid; the bottom of the material containing cavity 21 is communicated with an air inlet pipe 22; the material containing cavity 21 is a container with an open upper end; a sealing plate 23 is correspondingly arranged at the top of the material containing cavity 21; the sealing plate 23 is communicated with an air outlet pipe 29; waste gas from the collecting device passes through the gas inlet pipe 22 to enter the material containing cavity 21 and is discharged from the gas outlet pipe 29;

The upper end of the side wall of the material containing cavity 21 is provided with a stopper 24; the stopper 24 includes a case 241, a first insert 242, and a second insert 243; the plurality of box bodies 241 are arranged on two opposite side walls of the material containing cavity 21 in pairs; the first insert 242 and the second insert 243 are disposed on the upper and lower sides of the sealing plate 23 in a height direction; the first and second inserts 242 and 243 are free to move telescopically in the horizontal direction within the stopper 24; the traditional sealing plate mainly realizes sealing in a hinging mode, a threaded matching sealing rubber ring mode and the like, but the opening and closing angle of the hinging mode is limited, so that the internal cleaning and maintenance of regular equipment are not facilitated, and the execution time, energy consumption and safety of the threaded matching are far from insufficient for equipment with larger volume and weight; the edge of the sealing plate 23 is provided with a sealing gasket structure, so that the sealing performance of the sealing plate can be ensured; the first insert 242 and the second insert 243 only have a limiting effect in the vertical direction; a vertical lifting mechanism is matched and connected with the sealing plate, so that the sealing plate can be quickly opened and closed;

a second partition plate 25 is arranged in the material containing cavity 21; the second partition 25 includes a first plate body 251 and a second plate body 252; the first plate 251 is fixedly connected with the side wall of the material containing cavity 21; the second plate body 252 is telescopically embedded on the first plate body 251 and is driven by a hydraulic cylinder to move; the second partition plate 25 is provided at a position below the liquid level of the absorbent in the height direction; the extension range of the second partition plate 25 isolates the inner space of the material containing cavity 21 from the upper part and the lower part; when the second plate body 252 is completely extended, the absorption liquid in the material containing cavity 21 can be separated into two independent parts, so that the other part of the absorption liquid can be replaced on the premise of not influencing the operation of one part of the system, the long-time continuous operation of the system is realized, the smoothness of the whole coating production process is greatly improved, and the time and energy loss caused by the starting and stopping of the equipment is avoided.

the air inlet pipe 22 corresponds to the first plate 251 in position in the vertical direction; an auxiliary pipe 221 is communicated with the air inlet pipe 22; one end of the auxiliary pipe 221, which is far away from the air inlet pipe 22, is communicated with the side wall of the material containing cavity 21, and the communication position is positioned between the second partition plate 25 and the liquid level of the absorption liquid in the height direction; a switching valve 222 is provided at the joint between the intake pipe 22 and the auxiliary pipe 221, and is configured to switch the flow path of the exhaust gas between the intake pipe 22 and the auxiliary pipe 221; the bottom of the material containing cavity 21 is also communicated with a material discharging pipe 26 for discharging the part of the absorption liquid below the second partition plate 25 out of the material containing cavity 21; the upper end of the side wall of the material containing cavity 21 is communicated with a material inlet pipe 27; the height of the feed pipe 27 is smaller than that of the sealing plate 23, so that the absorption liquid can be replenished without opening the sealing plate 23.

A sampling tube 28 is also arranged in the material containing cavity 21; the lower end of the sampling tube 28 extends to the bottom of the material containing cavity 21, and the upper end extends to the outside of the material containing cavity 21 and is used for measuring the absorption concentration of the absorption liquid; the common absorption liquid is diesel oil or lubricating oil, and the absorption liquid is replaced when the absorption concentration reaches 20-30 percent; the absorption liquid discharged from the material containing cavity can be recycled for recycling through a fractionation process, and the waste materials can be intensively subjected to subsequent harmless treatment; a sealing element 271 is embedded at the interface of the feed pipe 27, and a one-way valve is arranged on the sealing element 271, so that materials can be added quickly; the discharge pipe 26 is correspondingly provided with a communication valve 261 for controlling the opening and closing of the discharge pipe 26.

The technological process of nanometer paint technological system includes the following steps,

Firstly, conveying waste gas in a collecting device into a washing device 2 by using a fan, enabling the waste gas to enter a material containing cavity 21 from an air inlet pipe 22, dissolving part of organic waste gas in the waste gas into absorption liquid after the waste gas is contacted with water, and continuously rising the rest waste gas and leaving the material containing cavity 21 through an air outlet pipe 29;

Step two, adjusting the position of the second partition plate 32 to make the inner space of the shell 311 be called as a zigzag air duct; the washed waste enters the photolysis chamber 31 from the feed inlet 301, flows in the shell 311 under the guidance of the partition plate 32, and the ultraviolet lamp tube 312 at the top of the shell 311 continuously irradiates the waste to deodorize and deodorize the waste;

step three, when the waste passes through the choke windows 35 on the second partition plate 32, the waste continuously passes through multiple layers of deflection and faces different grating plates, and the flow velocity of the waste is greatly reduced, so that the retention time of the waste in the shell 311 is increased, and the waste is more fully photolyzed;

step four, when the absorption concentration in the absorption liquid in the material containing cavity 21 is close to a process set threshold, extending the second plate body 252 to separate the absorption liquid at the upper part and the lower part of the first clapboard 25; then, the switching valve 222 is adjusted to make the exhaust gas enter the absorption liquid above the first partition 25 from the auxiliary pipe 221; opening the communication valve 261 to discharge the absorbent below the first partition 25 from the discharge pipe 26; then the communication valve 261 is closed again, the switching valve 222 is adjusted to enable the exhaust gas flow path to correspond to the air inlet pipe 22 again, the second plate body 252 is retracted, new absorption liquid is added into the material containing cavity 21 from the material inlet pipe 27, and the liquid level is restored to the original liquid level;

And step five, fractionating the absorption liquid discharged from the material containing cavity 21, and reusing the obtained pure absorption liquid for recycling.

the nano coating formula comprises 200-300 parts of water, 420-500 parts of water-based resin, 70-85 parts of film-forming additive, 5-8 parts of defoaming agent, 10-15 parts of thickening agent, 12-15 parts of dispersing agent, 50-60 parts of heat-insulating material and 20-35 parts of photolysis material;

wherein the water-based resin is one or a mixture of acrylic acid and acrylic acid derivatives; the film-forming auxiliary agent is propylene glycol butyl ether; the thickening agent is polyacrylate; the defoaming agent is polysiloxane-polyether copolymer; the dispersant is polyacrylate; the heat-insulating material is a mixture of diatomite and bentonite, and the mixing ratio of the diatomite to the bentonite is 1: 1; the photolysis material is nano titanium dioxide powder and mesoporous silver, and the mixing ratio of the nano titanium dioxide powder to the mesoporous silver is 2: 1; the nano titanium dioxide is a photocatalyst material, and can decompose formaldehyde under the condition of receiving illumination, so that the air quality around the using environment of the coating is improved; the mesoporous silver can utilize the gap to facilitate air circulation, thereby remarkably promoting the contact of formaldehyde and titanium dioxide and enhancing the formaldehyde decomposition effect.

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

1. A nanometer coating process system is characterized in that: comprises a dispersion unit, a filling unit and a pollution treatment unit; the pollution treatment unit comprises a collection device, a washing device (2) and a photolysis device (3); the inlet end of the collecting device corresponds to the site positions of the dispersing unit and the filling unit; the outlet end of the collecting device is communicated with the inlet end of the washing device (2); the outlet end of the washing device (2) is communicated with the inlet end of the photolysis device (3);

the photolysis device (3) comprises a photolysis chamber (31); the photolysis chamber (31) comprises a housing (311); the two ends of the shell (311) along the length direction are respectively provided with a feed inlet (301) and a discharge outlet (302); the washed waste enters the photolysis chamber through the feed inlet (301), passes through the inner space of the shell (311) and is discharged through the discharge outlet (302); an ultraviolet lamp tube (312) is arranged at the top of the shell (311); the length direction of the ultraviolet lamp tube (312) is consistent with that of the shell (311);

A plurality of first sliding grooves (313) are formed in the bottom of the shell (311); the first sliding chutes (313) are arranged in parallel at intervals along the length direction of the shell (311); a first clapboard (32) is arranged in the first sliding chute (313) in a matching way; a vent hole (321) is formed in the plate surface of the first partition plate (32) along the thickness direction; the length of the first clapboard (32) is less than that of the first sliding chute (303); a first extension plate (33) and a second extension plate (34) are correspondingly embedded at two sides of the first partition plate (32); the first extension plate (33) and the second extension plate (34) are freely telescopic along the length direction of the first partition plate (32); the moving ranges of the first extending plate (33) and the second extending plate (34) correspond to the space positions between the first partition plate (32) and the shell (311).

2. the nano-coating process system of claim 1, wherein: a flow resisting window (35) is arranged in the vent hole (321); the choke window (35) comprises a frame body (351) and a grating plate (352); a second sliding groove (353) is formed in the inner wall of the frame body (351); a lug (354) extends outwards from the edge of the grid plate (352); the lug (354) is matched with the second sliding groove (353); a plurality of grid plates (352) are arranged in the frame body (351) in an overlapping mode; the grid plate (352) is internally provided with a plurality of unidirectional rows of air guide sheets (36); the arrangement directions of the adjacent air guide sheets (36) are mutually vertical; a first elastic piece (356) is clamped between the convex blocks of the adjacent grating plates (352); and a pressing part is arranged at the opening of the second sliding chute (353).

3. the nano-coating process system of claim 2, wherein: the grid plate (352) further comprises a structural member (369); the lug (354) is fixedly connected and arranged on the outer side of the structural part (369); the air guide sheet (36) comprises a sheet body (361); a first rotating part (362) and a second rotating part (363) are respectively arranged at two ends of the sheet body (361); one end of the sheet body (361) is provided with a second sliding groove (364); the first rotating part (362) is telescopically arranged in a second sliding groove (364); a second elastic piece (365) is arranged between the root of the first rotating part (362) and the bottom of the second sliding groove (364); a first positioning hole (358) is formed in the inner wall of the structural part (369); one end of the first rotating part (362) far away from the second elastic piece (365) is in nested fit with the first positioning hole (358); a third sliding chute (359) is also arranged on the inner wall of the structural part (369); a second positioning hole (360) is formed in the length center of the third sliding groove (359); the second rotating part (363) is of a plate-shaped structure and is in sliding fit with the third sliding groove (359); the second rotating part (363) corresponds to the second positioning hole (360) in size, is correspondingly embedded into the second positioning hole (360), and can rotate freely; a pin (300) is embedded in the second positioning hole (360); a clamping groove (350) is formed in the tip end of the pin (300) embedded into the second positioning hole (360); the clamping groove (350) is correspondingly matched with the second rotating part (363).

4. The nano-coating process system of claim 1, wherein: the washing device (2) is provided with a material containing cavity (21); the material containing cavity (21) contains absorption liquid; the bottom of the material containing cavity (21) is communicated with an air inlet pipe (22); the material containing cavity (21) is a container with an open upper end; a sealing plate (23) is correspondingly arranged at the top of the material containing cavity (21); the sealing plate (23) is communicated with an air outlet pipe (29); waste gas from the collecting device passes through the gas inlet pipe (22) to enter the material containing cavity (21) and is discharged from the gas outlet pipe (29);

The upper end of the side wall of the material containing cavity (21) is provided with a stopper (24); the stopper (24) comprises a box body (241), a first insert (242) and a second insert (243); the plurality of box bodies (241) are arranged on two opposite side walls of the material containing cavity (21) in pairs; the first insert block (242) and the second insert block (243) are clamped on the upper side and the lower side of the sealing plate (23) in the height direction; the first insert (242) and the second insert (243) are free to move telescopically in a horizontal direction within the retainer (24).

5. the nano-coating process system of claim 4, wherein: a second clapboard (25) is arranged in the material containing cavity (21); the second partition (25) comprises a first plate body (251) and a second plate body (252); the first plate body (251) is fixedly connected with the side wall of the material containing cavity (21); the second plate body (252) is telescopically embedded on the first plate body (251); the second partition plate (25) is arranged below the liquid level of the absorption liquid in the height direction; the extension range of the second partition plate (25) isolates the inner space of the material containing cavity (21) at the upper part and the lower part;

The air inlet pipe (22) corresponds to the position of the first plate body (251) in the vertical direction; an auxiliary pipe (221) is communicated with the air inlet pipe (22); one end, far away from the air inlet pipe (22), of the auxiliary pipe (221) is communicated with the side wall of the material containing cavity (21), and the communication position is located between the second partition plate (25) and the liquid level of the absorption liquid in the height direction; a switching valve (222) is arranged at the joint of the air inlet pipe (22) and the auxiliary pipe (221); the bottom of the material containing cavity (21) is also communicated with a material discharging pipe (26); the upper end of the side wall of the material containing cavity (21) is communicated with a material inlet pipe (27); the height of the feeding pipe (27) is smaller than that of the sealing plate (23).

6. the nano-coating process system of claim 5, wherein: a sampling tube (28) is also arranged in the material containing cavity (21); the lower end of the sampling tube (28) extends to the bottom of the material containing cavity (21), and the upper end of the sampling tube extends to the outside of the material containing cavity (21); a sealing element (271) is embedded at the interface of the feed pipe (27), and a one-way valve is arranged on the sealing element (271); the discharge pipe (26) is correspondingly provided with a communication valve (261).

7. The process of the nano-coating process system according to any one of claims 1 to 6, wherein: comprises the following steps of (a) carrying out,

Firstly, conveying waste gas in a collecting device into a washing device (2) by using a fan, enabling the waste gas to enter a material containing cavity (21) from an air inlet pipe (22), dissolving part of organic waste gas in the waste gas into absorption liquid after the waste gas is contacted with water, and continuously rising the rest waste gas and leaving the material containing cavity (21) through an air outlet pipe (29);

Adjusting the position of a second partition plate (32) to enable the inner space of the shell (311) to be called as a bent air duct; the washed waste enters the photolysis chamber (31) from the feed inlet (301), flows in the shell (311) under the guide of the partition plate (32), and the ultraviolet lamp tube (312) at the top of the shell (311) continuously irradiates the waste to deodorize and deodorize the waste;

step three, when the waste passes through the flow resisting windows (35) on the second partition plate (32), the waste continuously passes through multiple layers of deflection and faces to different grating plates, the flow speed is greatly reduced, and therefore the retention time of the waste in the shell (311) is prolonged, and the waste is more fully photolyzed;

step four, when the absorption concentration in the absorption liquid in the material containing cavity (21) is close to a process set threshold, extending the second plate body (252) to separate the absorption liquid at the upper part and the lower part of the first clapboard (25); then adjusting the switching valve (222) to enable the waste gas to enter the absorption liquid above the first partition plate (25) from the auxiliary pipe (221); opening the communication valve (261) to discharge the absorption liquid below the first partition plate (25) from the discharge pipe (26); then the communication valve (261) is closed again, the switching valve (222) is adjusted to enable the exhaust gas flow path to correspond to the air inlet pipe (22) again, the second plate body (252) is retracted, new absorption liquid is added into the material containing cavity (21) from the position of the material inlet pipe (27), and the liquid level is restored to the original liquid level;

And step five, fractionating the absorption liquid discharged from the material containing cavity (21), and reusing the obtained pure absorption liquid for recycling.

8. The nano-coating formulation according to any one of claims 1 to 6, wherein: 200-300 parts of water, 420-500 parts of water-based resin, 70-85 parts of film-forming additive, 5-8 parts of defoaming agent, 10-15 parts of thickening agent, 12-15 parts of dispersing agent, 50-60 parts of heat-insulating material and 20-35 parts of photolysis material;