CN113402930A

CN113402930A - Sealing protection rubber coating and preparation method thereof

Info

Publication number: CN113402930A
Application number: CN202110829215.4A
Authority: CN
Inventors: 钟继东; 王锡玲
Original assignee: Nanjing Yusong Material Technology Co ltd
Current assignee: Nanjing Yusong Material Technology Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-09-17

Abstract

The invention discloses a sealing protection rubber coating and a preparation method thereof, and the sealing protection rubber coating comprises the following steps: selecting and weighing the raw materials required to be used according to a production target, and carrying the raw materials to the side of a reaction tank for adding, soaking and mixing in the subsequent production process: chlorosulfonated polyethylene, chlorinated rubber, styrene elastomer, a dispersant and a solvent are added into a reaction tank, soaked for 12 hours, and then stirred for 30-50 minutes at 800 rpm with 600-.

Description

Sealing protection rubber coating and preparation method thereof

Technical Field

The invention relates to the technical field of rubber coatings, in particular to a sealing protection rubber coating and a preparation method thereof.

Background

The rubber coating is a coating which takes natural rubber derivatives or synthetic rubber as main film forming substances, is sprayed on the surface of an object, is in a matte or semi-matte state, has quite fine and smooth hand feeling, elegant appearance and high bulkiness, the natural rubber derivatives mainly comprise chlorinated rubber, cyclized rubber and the like, the synthetic rubber mainly comprises butadiene styrene, chloroprene, polysulfide, butyronitrile and other rubber varieties, wherein more chlorinated rubber is used, and particularly the chloroprene rubber is more important;

however, the existing rubber coating has general weather resistance and adhesive force, the hardness of a paint film is low, the performance of the rubber coating is reduced rapidly in all aspects under an open corrosive environment, the sealing protection period is short, and the practical application of the rubber coating is limited.

Disclosure of Invention

The invention provides a sealing protection rubber coating and a preparation method thereof, which can effectively solve the problems that the rubber coating provided in the background art has general weather resistance and adhesive force, the hardness of a paint film is low, the performance of the rubber coating is reduced rapidly in all aspects under an open-air corrosive environment, the sealing protection period is short, and the practical application of the rubber coating is limited, and meanwhile, in the powder adding process in the production of the rubber coating, powder is easy to adhere to the inner wall of a reaction tank, and the raw materials cannot be efficiently stirred in the mixing process among the raw materials, so that the mixing among the raw materials is slow, and the production efficiency of the coating is reduced.

In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of a sealing protection rubber coating comprises the following steps:

s1, preparing materials: selecting and weighing the raw materials required to be used according to a production target, and conveying the raw materials to the side of a reaction tank for adding in the subsequent production process;

s2, soaking and mixing: adding chlorosulfonated polyethylene, chlorinated rubber, a styrene elastomer, a dispersant and a solvent into a reaction tank, soaking for 12 hours, and stirring for 30-50 minutes at 800 rpm under 600-;

s3, stirring and grinding: adding ceramic whiskers, ceramic powder, carbon nano tubes, titanium dioxide, fumed silica, a coupling agent, an ultraviolet absorbent and an antioxidant into a reaction tank through a convenient material adding and stirring mechanism, dispersing at a high speed of 1000 revolutions per minute for 10-15 minutes by adopting 800-plus-material mixing, and then adding the mixture into a horizontal sand mill to grind the fineness to 50 microns;

s4, modulation: adding the ground mixture into the reaction tank again, adding a defoaming agent and aluminum paste, stirring for 10-15 minutes at 800 rpm under 600-;

s5, discharging and cleaning: after the coating inside the reaction tank is determined to be produced, discharging the raw materials inside the reaction tank through a residue-free one-way cleaning mechanism, and cleaning the inner wall of the reaction tank.

According to the technical scheme, the coating comprises the following components: 5 to 25 percent of chlorosulfonated polyethylene, 5 to 25 percent of chlorinated rubber, 5 to 25 percent of styrene elastomer, 1 to 5 percent of ceramic whisker, 1 to 5 percent of carbon nano tube, 1 to 5 percent of titanium dioxide, 2 to 10 percent of aluminum paste, 0.5 to 1 percent of dispersant, 0.5 to 1 percent of fumed silica, 0.5 to 2 percent of defoamer, 0.5 to 1 percent of coupling agent, 0.5 to 2 percent of antioxidant, 0.5 to 1 percent of ultraviolet absorbent, 10 to 50 percent of solvent and 1 to 5 percent of ceramic powder;

the styrene elastomer is one or more of SBS, STS, SEBS and SEPS;

the solvent is one or a mixture of more of toluene, xylene, trimethylbenzene, ethyl acetate, butyl acetate and solvent gasoline;

the ceramic whiskers are 1-2 of silicon carbide, potassium titanate and aluminum borate;

the ceramic powder is 1-2 of silicon carbide, aluminum oxide and silicon nitride.

The bottom end of the reaction tank is fixedly connected with a support frame, the middle part of the back surface of the support frame is fixedly connected with an installation vertical frame, the middle part of the top end of the installation vertical frame is fixedly connected with a lifting motor, the output shaft of the lifting motor is fixedly connected with a driving screw rod corresponding to the middle position of the inner side of the installation vertical frame, the outer side of the driving screw rod corresponding to the inner side position of the installation vertical frame is connected with a connecting cross frame through threads, the top end of the connecting cross frame corresponding to the top position of the reaction tank is fixedly provided with a driving motor, and the bottom end of the output shaft of the driving motor corresponding to the inner side position of the reaction tank is fixedly connected with a driving rotating shaft;

the portable material adding and stirring mechanism is arranged at the position, corresponding to the inner part of the reaction tank, outside the driving rotating shaft, the material is quickly added into the reaction tank through circulating airflow, and meanwhile, the inner wall is washed through the circulating airflow, so that powder is effectively prevented from being adhered to the inner wall, and meanwhile, efficient mixing and stirring are provided for the raw materials in the raw material mixing process;

the portable material adding and stirring mechanism comprises a material guide outer hopper, a material guide inner cover, a protective cover plate, a wind guide fan, a stirring disc, a limiting circular ring, a mounting circular disc, a driving circular ring, a connecting outer ring, a mounting channel, a guiding circular shaft, a limiting sealing sheet, a limiting spring, a counterweight ball, a connecting clamping block, a driving rope, a connecting annular frame and a stirring blade;

further, the sealing protection rubber coating is prepared according to any step of the preparation method of the sealing protection rubber coating.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, chlorosulfonated polyethylene, chlorinated rubber and styrene elastomer are mixed and modified, so that the sealing protection effect and the adhesive force are improved, the corrosion resistance of the coating is effectively improved in ceramic whiskers, carbon nano tubes, ceramic powder and ceramic whiskers, the toughness, hardness and scratch resistance of the coating are improved, the weather resistance of the coating is effectively improved by aluminum paste, and the sealing protection coating with excellent comprehensive performance is formed.

2. The portable material adding and stirring mechanism is arranged, the matching between each component inside the portable material adding and stirring mechanism is realized, the air flow of local internal circulation is formed near a filling opening at the top of the reaction tank, the moving track of the powder in the feeding process is guided through the circulating air flow, the guiding track of the powder in the whole feeding process is in a form of being far away from the inner wall of the reaction tank, the phenomenon that too much powder is adhered to the inner wall of the reaction tank and cannot directly participate in the mixing of the coating is effectively prevented, meanwhile, the guide inner cover and the protection cover plate are blown by the air guide fan, the continuous circulating air flow is formed at the periphery of the guide inner cover and the protection cover plate, the powder is effectively prevented from being adsorbed outside the guide for a long time, the guide inner cover and the protection cover plate, and the powder adding process in the coating production process is optimized.

3. The stirring form of the coating inside the reaction tank is changed by controlling the rotating speed of the driving motor, so that the connecting ring frame and the stirring paddle can be used for rotating and stirring, and can also be used for stirring in a vertical sliding manner, the flowing form of the coating inside the reaction tank in the feeding process is more complicated, the material added from the top of the reaction tank cannot float on the top of the coating for a long time, the raw material floating on the top is quickly brought below the liquid level through the complicated running form of the coating, the newly added raw material can be ensured to be quickly added into the stirring and mixing of the raw materials, the dispersion and mixing efficiency of the raw materials is effectively improved, and the actual processing effect of the raw materials is further ensured;

simultaneously, through the lift of connecting annular frame and stirring paddle leaf, also can upwards take up the raw materials that are located the reaction tank bottom and deposit, the effectual partial raw materials of having prevented can't the phenomenon of fast dispersion mixture owing to deposit, further optimized the dispersion and the mixing process of raw materials, the machining efficiency of coating has been improved, the later stage at the coating production simultaneously, go up and down of annular frame and stirring paddle leaf, also can upwards drive the bubble that is located in the coating of reaction tank bottom, thereby make the bubble in the coating can be quick float to the liquid level on and break and eliminate, and then the effectual process of eliminating of coating bubble that has improved.

4. The processing state detection structure is arranged, the matching between each component inside the processing state detection structure is realized, the viscosity of the coating inside the reaction tank is reacted through a mechanical structure, the indirect reaction is realized in the processing stage of the coating, and then the processing stage of the coating inside the reaction tank can be judged under the condition of not opening the reaction tank, the use convenience of the reaction tank is effectively improved, meanwhile, the design of a plurality of groups of swing circular shafts is realized, the stability of the operation of the mechanism is improved, the normal use in the detection process is ensured, the protection of an elastic protective cover is realized, the coating inside the reaction tank is effectively prevented from entering the driving rotating shaft through a connecting transverse pipe, and the difficulty is caused by the inside cleaning of the driving rotating shaft, and the service performance of the mechanism is further improved.

5. The one-way clearance mechanism of no residue has been set up, through the mutually supporting between the inside each subassembly of the one-way clearance mechanism of no residue, the in-process of unloading is cleared up the retort inner wall in step, thereby the effectual coating that has prevented the retort inside remains, the waste of coating has been reduced, through connecting the vertical axis, connect the design of segment and rubber clutch blocks, make the elasticity gasbag only receive the extrusion at the in-process that the clearance inner ring moved down, make the clearance scraping ring only hug closely with the retort inner wall at the in-process that the clearance inner ring moved down, thereby the effectual clearance scraping ring that has prevented keeps hugging closely wantonly between the in-process that rises and the retort inner wall, lead to the remaining a small amount of coating in clearance scraping ring bottom to adhere again on the retort inner wall, the process of unloading of coating has been optimized, the inside clean convenience of retort has been improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a flow chart of the steps of the preparation method of the present invention;

FIG. 2 is a schematic view of the construction of the dope processing apparatus of the present invention;

FIG. 3 is a schematic structural view of the driving shaft of the present invention;

FIG. 4 is a schematic view of the construction of the attachment cross member of the present invention;

FIG. 5 is a schematic view of the structure of the inside of the reaction tank of the present invention;

FIG. 6 is a schematic structural diagram of the installation of the portable material adding and stirring mechanism of the present invention;

FIG. 7 is a schematic view of the structure of the attachment of the annular frame of the present invention;

FIG. 8 is a schematic view of the structure of the installation of the processing state detecting structure of the present invention;

FIG. 9 is a schematic structural view of the installation of the residue-free one-way cleaning mechanism of the present invention;

fig. 10 is a schematic structural view of the cleaning scraper ring installation of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example 1:

as shown in fig. 1-2, the invention provides a technical scheme, a preparation method of a sealing protection rubber coating, comprising the following steps:

s1, preparing materials: selecting and weighing raw materials required to be used according to a production target, and conveying the raw materials to the side of the reaction tank 1 for adding in a subsequent production process;

s2, soaking and mixing: adding chlorosulfonated polyethylene, chlorinated rubber, a styrene elastomer, a dispersant and a solvent into a reaction tank 1, soaking for 12 hours, and stirring for 30 minutes at 600 revolutions per minute;

s3, stirring and grinding: adding ceramic whiskers, ceramic powder, carbon nano tubes, titanium dioxide, fumed silica, a coupling agent, an ultraviolet absorbent and an antioxidant into a reaction tank 1 through a portable material adding and stirring mechanism 9, dispersing at a high speed of 800 rpm for 10 minutes, and adding the mixture into a horizontal sand mill to grind the fineness of the mixture to 50 microns;

s4, modulation: adding the ground mixture into the reaction tank 1 again, adding a defoaming agent and aluminum paste, stirring for 10 minutes at 600 revolutions per minute, judging whether the coating is processed or not through the processing state detection structure 10, and finishing the processing of the coating after the viscosity of the coating reaches the target viscosity;

s5, discharging and cleaning: after the production of the coating in the reaction tank 1 is determined to be finished, discharging the raw materials in the reaction tank 1 through the residue-free one-way cleaning mechanism 11, and cleaning the inner wall of the reaction tank 1;

the coating comprises the following components: chlorosulfonated polyethylene (CMS-30 Hengshui rubber plastic) 15%, chlorinated rubber 15% (CR-20 Hezhou Lehua trade), styrene elastomer (SEPS-4052 ba ling petrochemical) 5%, ceramic whisker (AM-SiC-W-3 Zhejiang Yamei nano) 3%, carbon nanotube (TNM8 Chengdu organic institute) 2%, titanium dioxide (940+ Zhejiang titanium dioxide plant) 3%, aluminum silver paste 3%, dispersant (YB-201A Hezhou Yabang Yayu) 0.5%, fumed silica (N200 Huaqi) 1%, defoamer (dimeticone 201 Jinnan Jinhuan), coupling agent (KH560 Jiangsu Chenguang) 1%, antioxidant (1010 Beijing addition auxiliary) 2%, ultraviolet absorbent (JC1402 Beijing addition auxiliary) 0.5%, solvent 45% and ceramic powder 3%;

the styrene elastomer is SEPS;

the solvent is dimethylbenzene, ethyl acetate and solvent gasoline, wherein the solvent accounts for 25%, 10% and 10% of the total mixture ratio;

the ceramic whisker is silicon carbide;

the ceramic powder is alumina.

As shown in fig. 2-10, a support frame 2 is fixedly connected to the bottom end of a reaction tank 1, a mounting vertical frame 3 is fixedly connected to the middle of the back surface of the support frame 2, a lifting motor 4 is fixedly connected to the middle of the top end of the mounting vertical frame 3, a driving lead screw 5 is fixedly connected to the middle of the inner side of the mounting vertical frame 3 corresponding to the output shaft of the lifting motor 4, a connecting cross frame 6 is connected to the outer side of the driving lead screw 5 corresponding to the inner side of the mounting vertical frame 3 through a thread, a driving motor 7 is fixedly mounted at the top end of the connecting cross frame 6 corresponding to the top of the reaction tank 1, and a driving rotating shaft 8 is fixedly connected to the bottom end of the output shaft of the driving motor 7 corresponding to the inner side of the reaction tank 1;

a portable material adding and stirring mechanism 9 is arranged at a position, corresponding to the inner part of the reaction tank 1, outside the driving rotating shaft 8, materials are quickly added into the reaction tank 1 through circulating airflow, meanwhile, the inner wall is washed through the circulating airflow, powder is effectively prevented from being adhered to the inner wall, and meanwhile, efficient mixing and stirring are provided for raw materials in the raw material mixing process;

the portable feeding and stirring mechanism 9 comprises a feeding outer hopper 901, a feeding inner cover 902, a protective cover plate 903, a wind guide fan 904, a stirring disc 905, a limiting ring 906, a mounting disc 907, a driving ring 908, a connecting outer ring 909, a mounting channel 910, a guiding circular shaft 911, a limiting sealing sheet 912, a limiting spring 913, a counterweight ball 914, a connecting fixture block 915, a driving rope 916, a connecting annular frame 917 and a stirring blade 918;

the edge part of the top end inside the reaction tank 1 is fixedly provided with a material guide outer hopper 901 through bolts, the position of the bottom inside the material guide outer hopper 901 is fixedly connected with a material guide inner cover 902, the position of the outer side of a driving rotating shaft 8 corresponding to the top of the material guide inner cover 902 is fixedly connected with a protective cover plate 903, the position of the outer side of the driving rotating shaft 8 corresponding to the middle inside of the material guide inner cover 902 is fixedly connected with an air guide fan 904, the position of the bottom end of the driving rotating shaft 8 corresponding to the top inside the reaction tank 1 is provided with a stirring disc 905, the input ends of a lifting motor 4 and a driving motor 7 are electrically connected with the output end of an external power supply, the diameter of the protective cover plate 903 is larger than the diameter of the maximum diameter part of the material guide inner cover 902, the total number of the stirring discs 905 is two, the outer diameter of the stirring disc 905 is smaller than the diameter of the top opening of the material guide inner cover 902, and local internal circulation air flow is formed near the filling opening at the top of the reaction tank 1 through the matching among the components inside the convenient material adding stirring mechanism 9, the moving track of the powder in the feeding process is guided by the circulating airflow, so that the guiding track of the powder in the whole feeding process is in a form of being far away from the inner wall of the reaction tank 1, the phenomenon that excessive powder is adhered to the inner wall of the reaction tank 1 and cannot directly participate in coating mixing is effectively prevented, meanwhile, the continuous circulating airflow formed by the air guide fan 904 at the peripheries of the material guide outer hopper 901, the material guide inner cover 902 and the protective cover plate 903 is blown, the powder is effectively prevented from being adsorbed on the material guide outer hopper 901, the material guide inner cover 902 and the protective cover plate 903 for a long time, and the powder adding process in the coating production process is optimized;

a limiting ring 906 is fixedly connected at the top position of the outer side of the driving rotating shaft 8, a mounting disc 907 is slidably connected at the position of the outer side of the driving rotating shaft 8 corresponding to the top position of the limiting ring 906, a driving ring 908 is fixedly connected at the top end of the mounting disc 907, a connecting outer ring 909 is fixedly connected at the position of the outer side of the driving rotating shaft 8 corresponding to the top position of the driving ring 908, mounting grooves 910 are uniformly formed in the circumferential direction of the inner side of the connecting outer ring 909, a guiding circular shaft 911 is slidably connected at the position of the middle part of the inner side of the connecting outer ring 909 at the position corresponding to the mounting grooves 910, a limiting sealing plate 912 is fixedly connected at the position of the outer side of the guiding circular shaft 911 corresponding to one end of the limiting sealing plate 912, a balancing ball 914 is fixedly connected at the position of one end of the guiding circular shaft 911 corresponding to the outer side of the connecting outer ring 909, and a connecting clamping block 915 is fixedly connected at the position of the other end of the guiding circular shaft 911 corresponding to the inner side of the connecting outer ring 909, the driving cables 916 are uniformly and fixedly connected to the circumferential direction of the edge of the mounting disc 907, the bottom ends of the driving cables 916 are fixedly connected to a connecting annular frame 917 at a position corresponding to the bottom of the outer side of the driving rotating shaft 8, stirring blades 918 are uniformly and fixedly connected to the circumferential direction of the edge of the connecting annular frame 917, rectangular clamping grooves are uniformly formed in the circumferential direction of the top of the outer side of the driving ring 908, the connecting clamping blocks 915 and the rectangular clamping grooves are mutually matched, a gap is reserved between the inner side of the driving ring 908 and the outer side of the driving rotating shaft 8, and the outer side of the limiting sealing piece 912 is tightly attached to the inner wall of the mounting channel 910;

one end of a limiting spring 913 is tightly attached to the end face of the other end inside the installation channel 910, the inner side of the connecting ring frame 917 is tightly attached to the outer side of the driving rotating shaft 8, the stirring form of the coating inside the reaction tank 1 is changed by controlling the rotating speed of the driving motor 7, so that the connecting ring frame 917 and the stirring blade 918 can be stirred in a rotating manner and can also be stirred in a vertical sliding manner, the flowing form of the coating inside the reaction tank 1 in the feeding process is more complicated, the material added from the top of the reaction tank 1 cannot float on the top of the coating for a long time, the raw material floating on the top is quickly brought below the liquid level through the complicated operation form of the coating, the newly added raw material can be quickly involved in the stirring and mixing of each raw material, and the dispersion and mixing efficiency of the raw materials are effectively improved;

meanwhile, the raw materials precipitated at the bottom of the reaction tank 1 can be upwards brought up through the lifting of the connecting ring-shaped frame 917 and the stirring paddle 918, the phenomenon that part of the raw materials cannot be quickly dispersed and mixed due to precipitation is effectively prevented, the dispersion and mixing processes of the raw materials are further optimized, the processing efficiency of the coating is improved, meanwhile, in the later period of coating generation, the connecting ring-shaped frame 917 and the stirring paddle 918 move up and down, and bubbles in the coating at the bottom of the reaction tank 1 can also be upwards brought, so that the bubbles in the coating can quickly float to the liquid level to be broken and eliminated, and the process of eliminating the coating bubbles is effectively improved;

in the process of mixing the raw materials through the reaction tank 1, powder needs to be added into the reaction tank 1 from the top of the reaction tank and mixed with other raw materials, meanwhile, in the process of adding the powder, the powder needs to be guided to prevent the powder from being adsorbed on the inner wall of the reaction tank 1, in the process of adding the powder, the driving rotating shaft 8 is driven to rotate through the driving motor 7, and all parts arranged on the driving rotating shaft 8 are driven to rotate through the rotation of the driving rotating shaft 8;

the circulating airflow is formed at the gap between the material guiding outer hopper 901 and the material guiding inner cover 902 by the rotation of the air guiding fan 904, the upward flowing airflow generated by the air guiding fan 904 is discharged from the outlet at the top of the material guiding inner cover 902, enters the top of the gap between the material guiding outer hopper 901 and the material guiding inner cover 902 under the guide of the protective cover plate 903, and re-enters the reaction tank 1 from the bottom of the gap after flowing through the gap between the material guiding outer hopper 901 and the material guiding inner cover 902, during the circulation of the airflow, the powder is added from the top of the gap between the material guiding outer hopper 901 and the material guiding inner cover 902, the powder smoothly passes through the gap to enter the reaction tank 1 under the guide of the circulating airflow, and meanwhile, during the discharge of the powder from the bottom of the gap, the airflow can add an additional force pointing to the driving rotating shaft 8 to the powder, so that the powder can continuously move to the driving rotating shaft 8 when discharged from the bottom of the gap, thereby effectively preventing the powder from being adsorbed on the inner wall of the reaction tank 1;

in the process of moderating the raw materials of the paint, different stirring forms need to be adopted for the paint in the adding process of different types of raw materials to ensure that the raw materials added from the top of the reaction tank 1 can be rapidly mixed into the paint being stirred, the driving motor 7 rotates in a mode of alternating high and low speeds in the process of adding powder, the driving rotating shaft 8 is driven to rotate at a low speed by the driving motor 7, the connecting outer ring 909 is driven to rotate by the driving rotating shaft 8, the centrifugal force generated by the counterweight ball 914 is smaller than the elastic force of the limiting spring 913, and the guiding circular shaft 911 is clamped between the connecting clamping block 915 and the driving circular ring 908 under the combined action of the limiting sealing plate 912 and the limiting spring 913, so that the driving circular ring 908 is driven to rotate in the process of connecting the outer ring 909, and the mounting disc 907 and the driving rope 916 are driven to rotate, The connecting ring frame 917 and the stirring blade 918 rotate, and the mounting disc 907 drives the connecting ring frame 917 and the stirring blade 918 through the driving rope 916, so that the rotation of the connecting ring frame 917 and the stirring blade 918 has hysteresis relative to the rotation of the mounting disc 907, the connecting ring frame 917 and the stirring blade 918 can be driven to rotate only after the mounting disc 907 drives the driving rope 916 to curl to the limit along the outer side of the driving rotating shaft 8, and meanwhile, the connecting ring frame 917 and the stirring blade 918 move upwards in the axial direction of the driving rotating shaft 8 before rotating;

in the process that the driving rotating shaft 8 is driven by the driving motor 7 to rotate at a high speed, centrifugal force generated by the counterweight ball 914 is greater than elastic force of the limiting spring 913, the counterweight ball 914 drives the guide circular shaft 911 and the limiting sealing sheet 912 to compress the limiting spring 913, so that the connecting clamping block 915 is separated from the driving circular ring 908, the connecting outer ring 909 does not drive the driving circular ring 908 to rotate synchronously, the connecting annular frame 917 and the stirring blade 918 descend along the axial direction of the driving rotating shaft 8 under the action of gravity, and simultaneously, the driving cable 916 is driven to be loosened and reset from the outer side of the driving rotating shaft 8;

a processing state detection structure 10 is arranged in the driving rotating shaft 8, and the viscosity of the coating is indirectly displayed through a mechanical structure, so that the processing stage of the coating is judged according to the change of the viscosity of the coating, and the processing condition of the coating in the reaction tank 1 is known under the condition that the reaction tank is not opened;

the processing state detection structure 10 comprises a mounting bottom ring 1001, a connecting horizontal pipe 1002, a swinging circular shaft 1003, an elastic protective cover 1004, a connecting limiting rope 1005, a mounting circular ring 1006, a fan-shaped lifting block 1007, a supporting spring 1008, a fixed vertical block 1009, an inner hexagonal magnetic block 1010, a mounting circular box 1011, a transparent glass plate 1012, a lifting sliding ring 1013, a color developing ring 1014 and an outer hexagonal magnetic block 1015;

a mounting bottom ring 1001 is fixedly connected to the position, corresponding to the top of the stirring disc 905, on the outer side of the driving rotating shaft 8, a connecting transverse pipe 1002 is uniformly and fixedly connected to the middle part of the outer side of the mounting bottom ring 1001 in the circumferential direction, one end of the connecting transverse pipe 1002 is rotatably connected with a swinging circular shaft 1003 through the rotating shaft, an elastic protective cover 1004 is sleeved on the outer sides of the connecting transverse pipe 1002 and the swinging circular shaft 1003, and a connecting limiting rope 1005 is fixedly connected to the middle part of one end of the swinging circular shaft 1003;

the top of the inner side of the driving rotating shaft 8 is fixedly embedded with an installation ring 1006, the position, corresponding to the top of the installation ring 1006, of the tail end of a connection limiting cable 1005 is fixedly connected with a fan-shaped lifting block 1007, the position, corresponding to the outer side of the connection limiting cable 1005, of the bottom end of the fan-shaped lifting block 1007 is fixedly connected with a supporting spring 1008, the middle of the top end of the fan-shaped lifting block 1007 is fixedly connected with a fixed vertical block 1009, and the top of one side of the fixed vertical block 1009 is embedded with an inner hexagonal magnetic block 1010;

the outer side of the driving rotating shaft 8 is fixedly connected with an installation round box 1011 corresponding to the edge part of the fixed vertical block 1009, the outer circumferential direction of the installation round box 1011 is uniformly embedded with a transparent glass plate 1012, the inner part of the installation round box 1011 is movably connected with a lifting slip ring 1013, the outer side of the lifting slip ring 1013 is embedded with a color developing ring 1014, the inner circumferential direction of the lifting slip ring 1013 is uniformly embedded with an outer hexagonal magnet 1015, a connecting limiting rope 1005 penetrates through the middle part of the connecting horizontal pipe 1002 and the installation round ring 1006, the bottom end of a supporting spring 1008 and the top surface of the installation round ring 1006 are tightly attached, the outer side arc surface of the fan-shaped lifting block 1007 and the inner wall of the driving rotating shaft 8 are tightly attached, the inner hexagonal magnet 1010 and the outer hexagonal magnet 1015 correspond to each other in position, the outer hexagonal magnet 1015 and the inner hexagonal magnet 1010 are mutually attracted, the consistency of the coating of the inner protection part of the reaction tank 1 is reacted through the matching between all components in the processing state detection structure 10, therefore, the processing stage of the coating is indirectly reflected, the processing stage of the coating in the reaction tank 1 can be judged without opening the reaction tank 1, the use convenience of the reaction tank 1 is effectively improved, meanwhile, the stability of the mechanism in operation is improved through the design of a plurality of groups of swing circular shafts 1003, the normal use in the detection process is ensured, the coating in the reaction tank 1 is effectively prevented from entering the interior of the driving rotating shaft 8 through the connecting transverse pipe 1002 to cause difficulty in cleaning through the protection of the elastic protective cover 1004, and the use performance of the mechanism is further improved;

in the production process of the coating, the viscosity of the coating can be changed along with the continuous increase of the types of raw materials in the reaction tank 1 and the increase of the stirring time, so that the mixing quality among the raw materials in the coating can be effectively judged by detecting the viscosity of the coating, the driving motor 7 is enabled to keep rotating at a constant speed, the driving motor 7 drives the driving rotating shaft 8 to rotate at a constant speed, the driving rotating shaft 8 drives the mounting bottom ring 1001 to rotate, the outer sides of the connecting transverse pipe 1002 and the swinging circular shaft 1003 are protected and sealed by the elastic protective cover 1004, the connecting transverse pipe 1002 and the swinging circular shaft 1003 rotate during the rotation process of the mounting bottom ring 1001, the swinging circular shaft 1003 swings along the end part of the connecting transverse pipe 1002 under the influence of resistance generated by the coating during the rotation process, the connecting limiting cable 1005 is pulled by the swinging circular shaft 1003, the fan-shaped lifting block 1007 connected with the limiting cable 1005 overcomes the elastic force of the supporting spring 1008 to move downwards, the fan-shaped lifting block 1007 drives the fixed vertical block 1009 and the inner hexagonal magnet 1010 to descend, and the inner hexagonal magnet 1010 drives the lifting slide ring 1013, the color developing ring 1014 and the outer hexagonal magnet 1015 to slide downwards along the inner wall of the installation round box 1011 through the interaction magnetic force between the inner hexagonal magnet 1010 and the outer hexagonal magnet 1015 in the descending process, so that the viscosity of the coating in the reaction tank 1 can be conveniently judged through the height of the color developing ring 1014;

the inner side of the reaction tank 1 is provided with a residue-free one-way cleaning mechanism 11 which is used for cleaning the inner wall of the reaction tank 1 in the unloading process, so that the waste of the coating caused by the residue of the processed coating in the reaction tank 1 is prevented, and meanwhile, the cleanliness in the reaction tank 1 can be effectively improved by adopting a one-way scraping method for cleaning;

the residue-free one-way cleaning mechanism 11 comprises a mounting side frame 1101, a rotating motor 1102, a control screw 1103, a driving block 1104, a driving ring 1105, a driving magnet 1106, a cleaning inner ring 1107, a fixing ring 1108, a connecting magnet 1109, an elastic air bag 1110, a cleaning scraping ring 1111, an extrusion ring 1112, a connecting vertical shaft 1113, a connecting sector 1114 and a rubber friction block 1115;

the two sides of the support frame 2 are welded with mounting side frames 1101 corresponding to the outer side positions of the reaction tank 1, the middle parts of the top ends of the mounting side frames 1101 are fixedly connected with rotating motors 1102, the input ends of the rotating motors 1102 are electrically connected with the output ends of an external power supply, the bottom ends of the output shafts of the rotating motors 1102 are fixedly connected with control lead screws 1103 corresponding to the inner side positions of the mounting side frames 1101, the outer sides of the control lead screws 1103 corresponding to the inner side positions of the mounting side frames 1101 are connected with driving blocks 1104 through threads, one side of each driving block 1104 is fixedly connected with a driving ring 1105 corresponding to the outer side position of the reaction tank 1, and driving magnetic blocks 1106 are uniformly embedded in the inner side of the driving ring 1105 in the circumferential direction;

a cleaning inner ring 1107 is movably connected to the position, corresponding to the inner side of the driving ring 1105, in the reaction tank 1, a fixing ring 1108 is fixedly connected to the top of the outer side of the cleaning inner ring 1107, connecting magnets 1109 are uniformly embedded and installed in the circumferential direction of the outer side of the fixing ring 1108, the outer side of the driving block 1104 is tightly attached to the inner wall of the installation side frame 1101, the positions of the connecting magnets 1109 and the driving magnets 1106 correspond to each other, and the driving magnets 1106 and the connecting magnets 1109 are mutually attracted;

the elastic air bag 1110 is clamped at the top of the cleaning inner ring 1107, the position of the bottom end of the elastic air bag 1110, which corresponds to the outer side part of the bottom end of the cleaning inner ring 1107, is fixedly connected with a cleaning scraping ring 1111, the position of the inner side of the cleaning inner ring 1107, which corresponds to the bottom part of the elastic air bag 1110, is movably connected with an extrusion circular ring 1112, the circumferential direction of the top end of the extrusion circular ring 1112 is uniformly and fixedly connected with a connecting vertical shaft 1113, the position of the top end of the connecting vertical shaft 1113, which corresponds to the top part of the cleaning inner ring 1107, is fixedly connected with a connecting sector block 1114, one side part of the connecting sector block 1114 is bonded with a rubber friction block 1115, the top of the extrusion circular ring 1112 and the outer side of the elastic air bag 1110 are bonded through viscose, one side of the rubber friction block 1115 is tightly bonded with the inner wall of the reaction tank 1, through the mutual matching among all components in the residue-free one-way cleaning mechanism 11, the inner wall of the reaction tank 1 is synchronously cleaned in the unloading process, thereby effectively preventing the coating residue in the reaction tank 1, the waste of coating has been reduced, through connecting vertical axis 1113, connect the design of fan-shaped piece 1114 and rubber clutch block 1115, make elasticity gasbag 1110 only receive the extrusion at the in-process that clearance inner ring 1107 moved down, make clearance scraping ring 1111 only hug closely with retort 1 inner wall at the in-process that clearance inner ring 1107 moved down, thereby effectually prevented that clearance scraping ring 1111 from rising arbitrary keeping hugging closely between in-process and retort 1 inner wall, lead to the remaining a small amount of coating in clearance scraping ring 1111 bottom to adhere again on retort 1 inner wall, the process of unloading of coating has been optimized, the inside clean convenience of retort 1 has been improved.

Because the coating is sticky, a large amount of coating adheres to the inner wall of the reaction tank 1 in the discharging process, so that the coating is wasted, in the discharging process, the control screw 1103 is driven to rotate by the rotating motor 1102, the drive block 1104 is driven to move downwards along the inner wall of the mounting side frame 1101 by the rotation of the control screw 1103, the drive ring 1105 is driven to move downwards along the outer side of the reaction tank 1 in the downward movement process of the drive block 1104, the fixing ring 1108 is driven to slide downwards along the inner wall of the reaction tank 1 by the magnetic force of the interaction between the drive magnet 1106 and the connecting magnet 1109, the cleaning inner ring 1107 is driven to move downwards along the inner wall of the reaction tank 1 synchronously by the fixing ring 1108, in the downward movement process of the cleaning inner ring 1107, the connecting vertical shaft 1113 and the connecting fan-shaped block 1114 are provided with a force far away from the cleaning inner ring 1107 by the friction force between the rubber friction block 1115 and the inner wall of the reaction tank 1, thereby drive extrusion ring 1112 along clearance inner ring 1107 inner wall upward movement through connecting vertical axis 1113, thereby extrude elasticity gasbag 1110, make inside gas of elasticity gasbag 1110 enter into in the clearance scraping ring 1111, make the outside inflation deformation of clearance scraping ring 1111 and with closely laminate between retort 1 inner wall, thereby scrape through clearance scraping ring 1111 and scrape at the in-process of unloading to retort 1 inner wall, in the in-process that the driving ring 1105 drives clearance inner ring 1107 along retort 1 inner wall and rises, because extrusion ring 1112 no longer extrudees elasticity gasbag 1110, the inside gas of clearance scraping ring 1111 returns inside elasticity gasbag 1110 again, mutual separation between clearance scraping ring 1111 and retort 1 inside, prevent that the remaining coating in clearance scraping ring 1111 bottom from gluing again on retort 1 inner wall.

Example 2:

s2, soaking and mixing: adding chlorosulfonated polyethylene, chlorinated rubber, a styrene elastomer, a dispersant and a solvent into a reaction tank 1, soaking for 12 hours, and stirring for 40 minutes at 700 rpm;

s3, stirring and grinding: adding ceramic whiskers, ceramic powder, carbon nano tubes, titanium dioxide, fumed silica, a coupling agent, an ultraviolet absorbent and an antioxidant into a reaction tank 1 through a portable material adding and stirring mechanism 9, dispersing at a high speed of 900 rpm for 13 minutes, and adding the mixture into a horizontal sand mill to grind the fineness of the mixture to 50 microns;

s4, modulation: adding the ground mixture into the reaction tank 1 again, adding a defoaming agent and aluminum paste, stirring for 13 minutes at 700 rpm, judging whether the coating is processed or not through the processing state detection structure 10, and finishing the processing of the coating after the viscosity of the coating reaches the target viscosity;

the coating comprises the following components: chlorosulfonated polyethylene (CMS-30 Hengshui rubber plastic) 5%, chlorinated rubber 15% (CR-20 Hezhou Lehua trade), styrene elastomer (SEPS-4052 ba ling petrochemical) 15%, ceramic whisker (AM-SiC-W-3 Zhejiang Yamei nano) 3%, carbon nanotube (TNM8 Chengdu organic institute) 2%, titanium dioxide (940+ Zhejiang titanium dioxide plant) 3%, aluminum silver paste 3%, dispersant (YB-201A Hezhou Yabanya yu) 0.5%, fumed silica (N200 Huaqi) 1%, defoamer (dimeticone 201 Jinnan Jinhuan), coupling agent (KH560 Jiangsu Chenguang) 1%, antioxidant (1010 Beijing addition auxiliary) 2%, ultraviolet absorbent (JC1402 Beijing addition auxiliary) 0.5%, solvent 45% and ceramic powder 3%;

the styrene elastomer is SEPS;

the ceramic whisker is silicon carbide;

the ceramic powder is alumina.

Example 3:

s2, soaking and mixing: adding chlorosulfonated polyethylene, chlorinated rubber, a styrene elastomer, a dispersant and a solvent into a reaction tank 1, soaking for 12 hours, and stirring for 50 minutes at 800 rpm;

s3, stirring and grinding: adding ceramic whiskers, ceramic powder, carbon nano tubes, titanium dioxide, fumed silica, a coupling agent, an ultraviolet absorbent and an antioxidant into a reaction tank 1 through a portable material adding and stirring mechanism 9, dispersing for 15 minutes at a high speed of 1000 rpm, and adding the mixture into a horizontal sand mill to grind the fineness of the mixture to 50 micrometers;

s4, modulation: adding the ground mixture into the reaction tank 1 again, adding a defoaming agent and aluminum paste, stirring for 15 minutes at 800 rpm, judging whether the coating is processed or not through the processing state detection structure 10, and finishing the processing of the coating after the viscosity of the coating reaches the target viscosity;

the coating comprises the following components: chlorosulfonated polyethylene (CMS-30 Hengshui rubber plastic) 15%, chlorinated rubber 5% (CR-20 Hezhou Lehua trade), styrene elastomer (SEPS-4052 ba ling petrochemical) 15%, ceramic whisker (AM-SiC-W-3 Zhejiang Yamei nano) 3%, carbon nanotube (TNM8 Chengdu organic institute) 2%, titanium dioxide (940+ Zhejiang titanium dioxide plant) 3%, aluminum silver paste 3%, dispersant (YB-201A Hezhou Yabang Yayu) 0.5%, fumed silica (N200 Huaqi) 1%, defoamer (dimeticone 201 Jinnan Jinhuan), coupling agent (KH560 Jiangsu Chenguang) 1%, antioxidant (1010 Beijing addition auxiliary) 2%, ultraviolet absorbent (JC1402 Beijing addition auxiliary) 0.5%, solvent 45% and ceramic powder 3%;

the styrene elastomer is SEPS;

the ceramic whisker is silicon carbide;

the ceramic powder is alumina.

The proportions of the coating formulations of examples 1 to 3 are tabulated below:

the performance test of the invention:

the performance of the flexible ceramic heavy anti-corrosion coating prepared in example 1 and the performance of the coating film are detected, and the results are shown in the following table:

item	Technical index
		Colour(s)	Grey colour
Form of the composition	Uniform and no hard block
		Content of non-volatile matter (mass)	≥60％
Drying time (25 ℃ C.)	Surface dryness is less than or equal to 2h, and actual dryness is less than or equal to 36h
		Flexibility, mm	≤1
Impact resistance, cm	50
		Adhesive force by lattice-cutting method	Level	1
Hardness of pencil	6H
		Water and oxygen permeation resistance	Is superior to general rubber
Water impermeability	Much larger than polyurethane
		Light aging resistance	Is excellent in
Weather resistance (open-air insolation test 8 years)	No bubbling, cracking and rustiness
		10％NaOH，1000h	No bubbling, cracking and rustiness

The performance of the flexible ceramic heavy anti-corrosion coating prepared in example 2 and the performance of the coating film are detected, and the results are shown in the following table:

item	Technical index
		Colour(s)	Grey colour
Form of the composition	Uniform, small amount of hard blocks
		Content of non-volatile matter (mass)	≥60％
Drying time (25 ℃ C.)	Surface dryness is less than or equal to 2h, and actual dryness is less than or equal to 36h
		Flexibility, mm	≤1
Impact resistance, cm	50
		Adhesive force by lattice-cutting method	Level	1
Hardness of pencil	6H
		Water and oxygen permeation resistance	Is superior to general rubber
Water impermeability	Greater than polyurethane
		Light aging resistance	Good wine
Weather resistance (open-air insolation test 8 years)	No bubbling, cracking and rustiness
		10％NaOH，1000h	No bubbling, cracking and rusting

The performance of the flexible ceramic heavy anti-corrosion coating prepared in example 3 and the performance of the coating film are detected, and the results are shown in the following table:

wherein, for the performance detection of the coating, a steel plate with the thickness of 3mm or more is required, sand blasting is adopted after the steel plate is degreased, the surface cleanliness reaches Sa2.5 grade after treatment, the roughness reaches medium roughness, then an air spraying method is adopted for spraying, a paint film is sprayed in two ways, each way is 200-250 mu m, the total dry film thickness is 400-500 mu m, and finally the obtained sample plate is placed at 20-25 ℃ for 10 days and then is subjected to performance test;

according to the detection results of the embodiments 1 to 3, the comparison shows that the coating obtained according to the formula proportion of the embodiment 1 has the most excellent performance, the chlorosulfonated polyethylene, the chlorinated rubber and the styrene elastomer are mixed and modified, the sealing protection effect and the adhesive force are improved, the corrosion resistance of the coating is effectively improved in the ceramic whisker, the carbon nanotube, the ceramic powder and the ceramic whisker, the toughness, the hardness and the scratch resistance of the coating are improved, the weather resistance of the coating is effectively improved by the aluminum silver paste, and the sealing protection coating with excellent comprehensive performance is formed.

Claims

1. The preparation method of the sealing protection rubber coating is characterized by comprising the following steps:

s1, preparing materials: selecting and weighing raw materials required to be used according to a production target, and conveying the raw materials to the side of the reaction tank (1) for adding in the subsequent production process;

s2, soaking and mixing: adding chlorosulfonated polyethylene, chlorinated rubber, a styrene elastomer, a dispersant and a solvent into a reaction tank (1), soaking for 12 hours, and stirring for 30-50 minutes at 800 rpm under the condition of 600-;

s3, stirring and grinding: adding ceramic whiskers, ceramic powder, carbon nano tubes, titanium dioxide, fumed silica, a coupling agent, an ultraviolet absorbent and an antioxidant into the reaction tank (1) through a convenient material adding and stirring mechanism (9), dispersing at a high speed of 1000 revolutions per minute for 10-15 minutes by adopting 800-plus-material, and then adding the mixture into a horizontal sand mill to grind the fineness to 50 microns;

s4, modulation: adding the ground mixture into the reaction tank (1) again, adding a defoaming agent and aluminum paste, stirring for 10-15 minutes at 800 rpm by using 600-year stirring, judging whether the coating is processed or not by using the processing state detection structure (10), and finishing the processing of the coating after the viscosity of the coating reaches the target viscosity;

s5, discharging and cleaning: after the production of the coating in the reaction tank (1) is determined to be finished, the raw materials in the reaction tank (1) are discharged through the residue-free one-way cleaning mechanism (11), and the inner wall of the reaction tank (1) is cleaned.

2. The method for preparing the sealing protection rubber coating according to claim 1, wherein the coating composition comprises: 5-25% of chlorosulfonated polyethylene, 5-25% of chlorinated rubber, 5-25% of styrene elastomer, 1-5% of ceramic whisker, 1-5% of carbon nano tube, 1-5% of titanium dioxide, 2-10% of aluminum paste, 0.5-1% of dispersant, 0.5-1% of fumed silica, 0.5-2% of defoamer, 0.5-1% of coupling agent, 0.5-2% of antioxidant, 0.5-1% of ultraviolet absorbent, 10-50% of solvent and 1-5% of ceramic powder;

the styrene elastomer is one or more of SBS, SIS, SEBS and SEPS;

3. The preparation method of the sealing protection rubber coating according to claim 2, the bottom end of the reaction tank (1) is fixedly connected with a support frame (2), the middle part of the back surface of the support frame (2) is fixedly connected with a mounting vertical frame (3), the middle part of the top end of the vertical mounting frame (3) is fixedly connected with a lifting motor (4), the output shaft of the lifting motor (4) is fixedly connected with a driving screw rod (5) corresponding to the middle part of the inner side of the vertical mounting frame (3), the outer side of the driving screw rod (5) is correspondingly provided with a connecting transverse frame (6) at the inner side of the vertical frame (3) through a thread connection, a driving motor (7) is fixedly arranged at the top end of the connecting transverse frame (6) corresponding to the top of the reaction tank (1), the bottom end of the output shaft of the driving motor (7) is fixedly connected with a driving rotating shaft (8) at a position corresponding to the inner side of the reaction tank (1);

a portable material adding and stirring mechanism (9) is arranged at a position, corresponding to the inner part of the reaction tank (1), on the outer side of the driving rotating shaft (8), materials are quickly added into the reaction tank (1) through circulating air flow, and meanwhile, the inner wall is washed through the circulating air flow, so that powder is effectively prevented from being adhered to the inner wall, and meanwhile, efficient mixing and stirring are provided for raw materials in the raw material mixing process;

the portable material adding and stirring mechanism (9) comprises a material guide outer hopper (901), a material guide inner cover (902), a protective cover plate (903), a wind guide fan (904), a stirring disc (905), a limiting ring (906), a mounting disc (907), a driving ring (908), a connecting outer ring (909), a mounting channel (910), a guiding circular shaft (911), a limiting sealing sheet (912), a limiting spring (913), a counterweight ball (914), a connecting clamping block (915), a driving cable (916), a connecting annular frame (917) and stirring blades (918);

a material guide outer hopper (901) is fixedly mounted on the edge of the top end inside the reaction tank (1) through bolts, a material guide inner cover (902) is fixedly connected to the bottom of the inner side of the material guide outer hopper (901), a protective cover plate (903) is fixedly connected to the position, corresponding to the top of the material guide inner cover (902), of the outer side of the driving rotating shaft (8), an air guide fan (904) is fixedly connected to the position, corresponding to the middle of the inner side of the material guide inner cover (902), of the outer side of the driving rotating shaft (8), and a stirring disc (905) is arranged at the position, corresponding to the top of the inner side of the reaction tank (1), of the bottom end of the driving rotating shaft (8);

the top position of the outer side of the driving rotating shaft (8) is fixedly connected with a limiting ring (906), the position of the outer side of the driving rotating shaft (8) corresponding to the top of the limiting ring (906) is connected with an installation disc (907) in a sliding manner, the top end of the installation disc (907) is fixedly connected with a driving ring (908), the position of the outer side of the driving rotating shaft (8) corresponding to the top of the driving ring (908) is fixedly connected with a connection outer ring (909), the circumferential direction of the inner side of the connection outer ring (909) is uniformly provided with installation channel channels (910), the middle position of the inner side of the connection outer ring (909) corresponding to the installation channel (910) is connected with a guide circular shaft (911) in a sliding manner, the position of one end of the outer side of the guide circular shaft (911) corresponding to the installation channel (910) is fixedly connected with a limiting sealing sheet (912), and the position of one side of the outer side of the guide circular shaft (911) corresponding to the limiting sealing sheet (912) is fixedly connected with a limiting spring (913), the utility model discloses a drive shaft's structure, including installation disc (907), outer loop (909), direction circle axle (911) one end is corresponding to connect outer loop (909) outside position department fixedly connected with counterweight ball (914), the direction circle axle (911) other end is corresponding to connect outer loop (909) inboard position department fixedly connected with connection fixture block (915), the even fixedly connected with drive cable (916) of installation disc (907) limit portion circumferencial direction, drive cable (916) bottom corresponds drive pivot (8) outside bottom position department fixedly connected with and connects annular frame (917), the even fixedly connected with stirring paddle (918) of connecting annular frame (917) limit portion circumferencial direction.

4. The preparation method of the rubber coating for sealing protection according to claim 3, wherein the input ends of the lifting motor (4) and the driving motor (7) are electrically connected with the output end of an external power supply, the diameter of the protecting cover plate (903) is larger than the diameter of the position of the maximum diameter of the material guiding inner cover (902), the total number of the stirring discs (905) is two, and the outer diameter of the stirring disc (905) is smaller than the diameter of the opening at the top of the material guiding inner cover (902).

5. The preparation method of the rubber coating for sealing protection according to claim 3, wherein rectangular clamping grooves are uniformly formed in the circumferential direction of the top of the outer side of the driving ring (908), the connecting clamping blocks (915) are matched with the rectangular clamping grooves, a gap is left between the inner side of the driving ring (908) and the outer side of the driving rotating shaft (8), and the outer side of the limiting sealing sheet (912) is tightly attached to the inner wall of the installation channel (910);

spacing spring (913) one end and the inside other end terminal surface of installation channel (910) closely laminate, closely laminate between connecting ring frame (917) inboard and drive pivot (8) outside.

6. The preparation method of the sealing protection rubber coating according to claim 3, characterized in that a processing state detection structure (10) is arranged inside the driving rotating shaft (8), and the viscosity of the coating is indirectly displayed through a mechanical structure, so that the processing stage of the coating is judged according to the change of the viscosity of the coating, and the processing condition of the coating in the reaction tank (1) is known without opening the reaction tank;

the machining state detection structure (10) comprises a mounting bottom ring (1001), a connecting transverse pipe (1002), a swinging circular shaft (1003), an elastic protective cover (1004), a connecting limiting rope (1005), a mounting circular ring (1006), a fan-shaped lifting block (1007), a supporting spring (1008), a fixed vertical block (1009), an inner hexagonal magnet (1010), a mounting circular box (1011), a transparent glass plate (1012), a lifting slip ring (1013), a color development ring (1014) and an outer hexagonal magnet (1015);

the outer side of the driving rotating shaft (8) is fixedly connected with an installation bottom ring (1001) corresponding to the top of the stirring disc (905), the middle part of the outer side of the installation bottom ring (1001) is uniformly and fixedly connected with a connecting transverse pipe (1002) in the circumferential direction, one end of the connecting transverse pipe (1002) is rotatably connected with a swinging circular shaft (1003) through the rotating shaft, the outer sides of the connecting transverse pipe (1002) and the swinging circular shaft (1003) are sleeved with an elastic protective cover (1004), and the middle part of one end of the swinging circular shaft (1003) is fixedly connected with a connecting limiting cable (1005);

the top of the inner side of the driving rotating shaft (8) is fixedly embedded with an installation ring (1006), the position, corresponding to the top of the installation ring (1006), of the tail end of the connecting limiting cable (1005) is fixedly connected with a fan-shaped lifting block (1007), the position, corresponding to the outer side of the connecting limiting cable (1005), of the bottom end of the fan-shaped lifting block (1007) is fixedly connected with a supporting spring (1008), the middle of the top end of the fan-shaped lifting block (1007) is fixedly connected with a fixed vertical block (1009), and the top of one side of the fixed vertical block (1009) is embedded with an inner hexagonal magnet (1010);

drive pivot (8) outside corresponds fixed riser block (1009) limit portion position fixedly connected with installation circle box (1011), transparent glass board (1012) are installed in the even embedding of installation circle box (1011) outside circumferencial direction, installation circle box (1011) inside swing joint has lift sliding ring (1013), it shows colour ring (1014) to install in the embedding of lift sliding ring (1013) outside, outer hexagonal magnetic path (1015) are installed in the even embedding of lift sliding ring (1013) inboard circumferencial direction.

7. The preparation method of the sealing protective rubber coating as claimed in claim 7, wherein the connecting limiting cable (1005) penetrates through the middle of the transverse pipe (1002) and the mounting ring (1006), the bottom end of the supporting spring (1008) is tightly attached to the top surface of the mounting ring (1006), the arc surface of the outer side of the fan-shaped lifting block (1007) is tightly attached to the inner wall of the driving rotating shaft (8), the inner hexagonal magnet (1010) and the outer hexagonal magnet (1015) correspond in position to each other, and the outer hexagonal magnet (1015) and the inner hexagonal magnet (1010) attract each other.

8. The preparation method of the rubber coating for sealing protection according to claim 3, characterized in that the reaction tank (1) is provided with a residue-free one-way cleaning mechanism (11) inside for cleaning the inner wall of the reaction tank (1) during unloading, so as to prevent the processed coating from being remained in the reaction tank (1) and causing waste of the coating, and the cleaning by a one-way scraping method can effectively improve the cleanliness inside the reaction tank (1);

the residue-free one-way cleaning mechanism (11) comprises a mounting side frame (1101), a rotating motor (1102), a control lead screw (1103), a driving block (1104), a driving ring (1105), a driving magnetic block (1106), a cleaning inner ring (1107), a fixing ring (1108), a connecting magnetic block (1109), an elastic air bag (1110), a cleaning scraping ring (1111), an extrusion circular ring (1112), a connecting vertical shaft (1113), a connecting sector block (1114) and a rubber friction block (1115);

the reactor comprises a support frame (2), wherein mounting side frames (1101) are welded at positions, corresponding to the outer side of a reaction tank (1), of two sides of the support frame (2), rotating motors (1102) are fixedly connected to the middles of the top ends of the mounting side frames (1101), input ends of the rotating motors (1102) are electrically connected with output ends of external power supplies, control lead screws (1103) are fixedly connected to positions, corresponding to the inner sides of the mounting side frames (1101), of the bottom ends of output shafts of the rotating motors (1102), driving blocks (1104) are connected to positions, corresponding to the outer sides of the reaction tank (1), of the outer sides of the driving blocks (1104), driving rings (1105) are fixedly connected to positions, corresponding to the outer sides of the reaction tank (1), of the outer sides of the driving rings (1105) are uniformly embedded with driving magnetic blocks (1106) in the circumferential direction;

a cleaning inner ring (1107) is movably connected to the position, corresponding to the inner side of the driving ring (1105), in the reaction tank (1), the top of the outer side of the cleaning inner ring (1107) is fixedly connected with a fixing ring (1108), and connecting magnetic blocks (1109) are uniformly embedded and installed in the circumferential direction of the outer side of the fixing ring (1108);

clearance inner ring (1107) top joint has elasticity gasbag (1110), elasticity gasbag (1110) bottom corresponds clearance inner ring (1107) bottom outside limit portion position department fixedly connected with clearance scraping ring (1111), clearance inner ring (1107) inboard corresponds elasticity gasbag (1110) bottom position department swing joint has extrusion ring (1112), extrusion ring (1112) the even fixedly connected with in top circumferencial direction connect vertical axis (1113), connect vertical axis (1113) top and correspond clearance inner ring (1107) top position department fixedly connected with and connect sector (1114), it has rubber clutch block (1115) to connect sector (1114) one side portion bonding.

9. The preparation method of the sealing protection rubber coating as claimed in claim 8, wherein the outer side of the driving block (1104) is tightly attached to the inner wall of the mounting side frame (1101), the positions of the connecting magnetic block (1109) and the driving magnetic block (1106) are corresponding to each other, and the driving magnetic block (1106) and the connecting magnetic block (1109) are attracted to each other;

the top of the extrusion circular ring (1112) is bonded with the outer side of the elastic air bag (1110) through viscose glue, and one side of the rubber friction block (1115) is tightly attached to the inner wall of the reaction tank (1).

10. The sealing protection rubber coating is characterized by being prepared according to any step of a preparation method of the sealing protection rubber coating.