Heavy-duty anti-corrosion wear-resistant lining of circulating mortar tank

Abstract

The utility model relates to the technical field of anti-corrosion materials, in particular to a heavy-duty anti-corrosion wear-resistant lining of a circulating mortar tank, which comprises a tank wall lining covered on the inner wall of the mortar tank and a tank bottom lining covered on the inner bottom of the mortar tank, and a feed port and a discharge port are respectively arranged at the top and the bottom of the mortar tank. A cleaning anti-corrosion device and a stirring device are arranged in the mortar tank, the cleaning anti-corrosion device comprises a scraping plate assembly and a spraying assembly, the scraping plate assembly and the stirring device are coaxially arranged with the mortar tank, and the spraying assembly is arranged on one side of the mortar tank body. The inner wall and the inner bottom of the mortar tank are covered with the tank wall lining and the tank bottom lining which are excellent in corrosion resistance respectively, the problem of mortar tank corrosion is solved, meanwhile, the cleaning and corrosion preventing device is arranged in the mortar tank, residual mortar in the mortar tank can be cleaned and scraped, the problem of mortar tank corrosion is further solved, and the service life of the mortar tank is prolonged. The service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-corrosion materials, in particular to a heavy-duty anti-corrosion and wear-resistant lining of a circulating mortar tank. Background Art

[0002] The circulating slurry tank is used for circulating, stirring and mixing petroleum coke and fly ash to make slurry. The temperature inside the circulating slurry tank is room temperature, and the corrosive medium is mainly hydrogen sulfide. In addition, there are various impurities in petroleum coke and fly ash, which are generally of low concentration but complex composition, and the corrosion problem is more prominent. If the corrosion resistance of the slurry tank itself is not good enough, leakage problems are likely to occur. In addition, the tank is equipped with an agitator, and the combined abrasiveness caused by corrosive medium erosion and stirring wear must be considered. The existing circulating slurry tank is simply coated with anti-corrosion paint, and the anti-corrosion effect is poor after long-term use. The repair work is time-consuming, difficult and costly. In view of this, this case came into being. Utility Model Content

[0003] The utility model aims to overcome the above technical problems and provides a heavy-duty anti-corrosion and wear-resistant lining for a circulating mortar tank.

[0004] To achieve the above-mentioned objectives, the technical solution adopted by the utility model is as follows: a heavy-duty anti-corrosion and wear-resistant lining for a circulating slurry trough, the heavy-duty anti-corrosion and wear-resistant lining comprising a trough wall lining covering the inner wall of the mortar trough and a trough bottom lining covering the inner bottom of the mortar trough, the top and bottom of the mortar trough are respectively provided with a feed inlet and a discharge port, the mortar trough is provided with a cleaning and anti-corrosion device and a stirring device, the cleaning and anti-corrosion device comprises a scraper assembly and a spray assembly, the scraper assembly and the stirring device are coaxially arranged with the mortar trough, and the spray assembly is arranged on one side of the mortar trough.

[0005] Furthermore, the tank wall lining includes multiple layers of nano-composite emulsion primer, photocurable nano-sheet layer and nano-composite emulsion sealing coating in sequence from the inside to the outside.

[0006] Furthermore, the tank bottom lining includes a polyethylene base coating, a polytetrafluoroethylene reinforcement layer and a polytetrafluoroethylene sealing layer in sequence from the inside to the outside.

[0007] Furthermore, the stirring device includes a first drive motor and a stirring shaft, one end of the top of the stirring shaft is rotatably connected to the top of the mortar tank and extends to the outside to be connected to the output shaft of the first drive motor, the first drive motor is connected to the outer wall of the top of the mortar tank, and a plurality of stirring blades are connected to the stirring shaft.

[0008] Furthermore, the stirring shaft and the stirring blades are coated with a polypropylene anti-corrosion layer.

[0009] Furthermore, the scraper assembly includes a second drive motor, a rotating shaft, a first scraper and a second scraper, one end of the rotating shaft is rotatably arranged in the middle of the stirring shaft, and the other end is rotatably connected to the bottom of the mortar tank and extends to the outside to be connected to the output shaft of the second drive motor, the second drive motor is connected to the outer wall of the bottom of the mortar tank, the first scraper is horizontally arranged at the bottom end of the rotating shaft, the first scraper is in contact with the inner bottom wall of the mortar tank, and the second scraper is vertically arranged at the end of the first scraper away from the rotating shaft, and the second scraper is in contact with the inner wall of the mortar tank.

[0010] Furthermore, the first scraper includes a first metal plate and a first PVC scraper, and the first PVC scraper is installed at the bottom of the first metal plate and fits with the inner bottom wall of the mortar tank.

[0011] Furthermore, the second scraper includes a second metal plate and a second PVC scraper, and the second PVC scraper is installed on the outer side of the second metal plate and fits with the inner wall of the mortar tank.

[0012] Furthermore, the spray assembly includes a water suction pipe, a water pump, a valve and a retractable rotating cleaning ball, the valve is located on one side of the water pump, the water suction pipe is located on the other side of the water pump, and the retractable rotating cleaning ball is arranged at the lower end of the water suction pipe and located inside the mortar tank.

[0013] Furthermore, a fixing bolt is provided between the water suction pipe and the water pump, and the outer surface of one side of the water suction pipe is fixedly connected to the outer surface of one side of the water pump through the fixing bolt, and a screw is provided between the retractable rotating cleaning ball and the water suction pipe, and the outer surface of one side of the retractable rotating cleaning ball is fixedly connected to the outer surface of the other side of the water suction pipe through the screw.

[0014] From the above description of the utility model, it can be seen that compared with the prior art, the heavy-duty anti-corrosion and wear-resistant lining of the circulating slurry tank provided by the utility model has the following beneficial effects:

[0015] 1. The utility model provides a trough wall lining and a trough bottom lining on the inner wall and inner bottom of the mortar trough respectively, and both of them have heavy anti-corrosion and wear-resistant properties to resist corrosion and wear of the medium in the mortar trough, which can extend the service life of the mortar trough and reduce maintenance costs.

[0016] 2. The utility model is provided with a cleaning and anti-corrosion device, which can keep the inside of the mortar tank clean and prevent the accumulation and adhesion of corrosive media in the mortar tank, further extending the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the heavy-duty anti-corrosion and wear-resistant lining of the circulating slurry tank of the utility model;

[0018] Figure 2It is a cross-sectional view of the heavy-duty anti-corrosion and wear-resistant lining of the circulating mortar tank of the utility model;

[0019] Figure 3 It is a schematic diagram of the connection between the scraper assembly and the stirring device of the utility model;

[0020] Figure 4 It is a cross-sectional view of the tank wall lining of the utility model;

[0021] Figure 5 It is a cross-sectional view of the tank bottom lining of the utility model. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the present utility model in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present utility model.

[0023] like Figures 1 to 5 As shown, the heavy-duty anti-corrosion and wear-resistant lining of the circulating mortar tank comprises a tank wall lining 10 covering the inner wall of the mortar tank 1 and a tank bottom lining 20 covering the inner bottom of the mortar tank 1. The top and bottom of the mortar tank 1 are respectively provided with a feed port 2 and a discharge port 3. A cleaning and anti-corrosion device and a stirring device are provided in the mortar tank 1. The cleaning and anti-corrosion device comprises a scraper assembly and a spray assembly. The scraper assembly and the stirring device are coaxially arranged with the mortar tank 1, and the spray assembly is arranged on one side of the mortar tank 1. The utility model solves the corrosion problem of the mortar tank 1 by covering the inner wall and the inner bottom of the mortar tank 1 with the tank wall lining 10 and the tank bottom lining 20 having excellent corrosion resistance respectively. At the same time, a cleaning and anti-corrosion device is provided in the mortar tank 1 to clean and scrape the slurry remaining in the mortar tank 1, further solving the corrosion problem of the mortar tank 1 and extending its service life.

[0024] The tank wall lining 10 includes a multi-layer nano-composite emulsion primer 101, a photocurable nano-sheet layer 102 and a nano-composite emulsion sealing coating 103 from the inside to the outside, wherein the nano-composite emulsion primer 101, the photocurable nano-sheet layer 102 and the nano-composite emulsion sealing coating 103 are respectively made of 8231A nano-composite emulsion primer, 9130 photocurable nano-sheet and 8234-05 nano-composite emulsion produced by Shishi Huabao New Materials Co., Ltd. The photocurable nano-sheet layer 102 has excellent chemical corrosion resistance, nano-level corrosion resistance, temperature resistance, resistance to alternating cold and heat, wear resistance, erosion resistance, crack resistance, impact resistance, fatigue resistance and long service life, and is resistant to most acids, alkalis, salts, various oils and organic solvents, seawater, etc. It has good resistance to water and soil corrosion, the overlap is a chemical reaction type cross-linked seal, and there is no connection part that causes water, gas and corrosive media to enter and exit. It can fundamentally prevent the penetration and convection of corrosive media or air inside and outside the layer, and provide good anti-corrosion, protection and enhancement. The nano-composite emulsion primer 101 can form a chemical bond with the inner wall of the mortar tank 1, and has a strong adhesion ability to the inner wall of the mortar tank 1. It also has high temperature resistance and tensile elongation at break. The nano-composite emulsion sealing coating 103, due to its unique sealing function, can form a nano-scale sealing protection network with extremely high density and excellent mechanical properties on the surface of the paint film, which can isolate the penetration of molecules, ions and gases in the corrosive medium. Such a tank wall lining 10 structure can effectively provide corrosion protection for the inner wall of the mortar tank 1.

[0025] The tank bottom lining 20 includes a polyethylene base coating 201, a polytetrafluoroethylene reinforcement layer 202 and a polytetrafluoroethylene sealing layer 203 from the inside to the outside, wherein the polyethylene base coating 201 can provide basic support and protection, providing a good foundation for the entire tank bottom lining 20, and polyethylene generally has good corrosion resistance and chemical stability, and can withstand certain pressure and wear, and the polytetrafluoroethylene reinforcement layer 202 has excellent wear resistance, high temperature resistance and chemical stability. Adding the polytetrafluoroethylene reinforcement layer 202 to the tank bottom lining 20 can improve the durability and corrosion resistance of the lining, while reducing friction loss and extending the service life of the equipment. The polytetrafluoroethylene sealing layer 203 has excellent non-stickiness and corrosion resistance, which can effectively prevent medium leakage and protect equipment and environmental safety.

[0026] The stirring device includes a first drive motor 4 and a stirring shaft 5. One end of the top of the stirring shaft 5 is rotatably connected to the top of the mortar tank 1 and extends to the outside to be connected to the output shaft of the first drive motor 4. The first drive motor 4 is connected to the outer wall of the top of the mortar tank 1. A plurality of stirring blades 6 are connected to the stirring shaft 5. The stirring shaft 5 and the stirring blades 6 are coated with a polypropylene anti-corrosion layer to prevent the stirring blades 6 from being eroded by corrosive media and the combined abrasiveness caused by stirring wear.

[0027] The scraper assembly includes a second drive motor 7, a rotating shaft 8, a first scraper 9 and a second scraper 11, one end of the rotating shaft 8 is rotatably arranged in the middle of the stirring shaft 5, and the other end is rotatably connected to the bottom of the mortar tank 1 and extends to the outside to be connected to the output shaft of the second drive motor 7, the second drive motor 7 is connected to the outer wall of the bottom of the mortar tank 1, the first scraper 9 is horizontally arranged at the bottom end of the rotating shaft 8, the first scraper 9 is in contact with the inner bottom wall of the mortar tank 1, the second scraper 11 is vertically arranged at the end of the first scraper 9 away from the rotating shaft 8, and the second scraper 11 is in contact with the inner wall of the mortar tank 1, wherein the first scraper 9 and the second scraper 11 move with the rotation of the rotating shaft 8, and are used to scrape The slurry remaining on the inner wall and inner bottom wall of the mortar tank 1 is discharged from the discharge port 3 at the bottom of the mortar tank 1 to avoid the accumulation and adhesion of corrosive media in the mortar tank 1. The first scraper 9 includes a first metal plate and a first PVC scraper. The first PVC scraper is installed at the bottom of the first metal plate and fits the inner bottom wall of the mortar tank 1. The first PVC scraper is soft in texture and has high efficiency in scraping off the slurry without scratching the inner wall of the mortar tank 1. The second scraper 11 includes a second metal plate and a second PVC scraper. The second PVC scraper is installed on the outer side of the second metal plate and fits the inner wall of the mortar tank 1. The second PVC scraper is soft in texture and has high efficiency in scraping off the slurry without scratching the inner bottom wall of the mortar tank 1.

[0028] The spray assembly includes a water pump 12, a water pump 13, a valve 14 and a retractable rotating cleaning ball 15, wherein the valve 14 is located on one side of the water pump 13, and the water pump 12 is located on the other side of the water pump 13. The retractable rotating cleaning ball 15 is arranged at the lower end of the water pump 12 and is located inside the mortar tank 1. A fixing bolt is arranged between the water pump 12 and the water pump 13, and the outer surface of one side of the water pump 12 is fixedly connected to the outer surface of one side of the water pump 13 through the fixing bolt. A screw is arranged between the retractable rotating cleaning ball 15 and the water pump 12, and the outer surface of one side of the retractable rotating cleaning ball 15 is fixedly connected to the outer surface of one side of the water pump 13 through the fixing bolt. It is fixedly connected to the outer surface of the other side of the suction pipe 12, and the inner wall of the mortar tank 1 is cleaned by the rotation of the cleaning ball, and the residual impurities on the inner wall can be removed. The dirty water after cleaning the inner wall is discharged through the discharge port 3. The retractable structure realizes the extension and retraction of the cleaning ball, which greatly facilitates the cleaning operation of the mortar tank 1, eliminates the pollution problems caused by the later treatment, eliminates the washing dead corners, can quickly clean the internal impurities, can effectively clean the interior, and is convenient for overall cleaning and sanitation. When used in conjunction with the scraper assembly, the inner wall of the mortar tank 1 is cleaner and less prone to corrosion, thereby extending its service life.

[0029] The above are only some specific implementation methods of the utility model, but the design concept of the utility model is not limited to this. Any non-substantial changes to the utility model using this concept shall be deemed as an infringement of the protection scope of the utility model.

Claims

1. Heavy duty anti-corrosion and wear-resistant lining for circulating slurry tank, characterized by: The heavy-duty anti-corrosion and wear-resistant lining includes a trough wall lining covering the inner wall of the mortar trough and a trough bottom lining covering the bottom of the mortar trough. The top and bottom of the mortar trough are respectively provided with a feed port and a discharge port. The mortar trough is provided with a cleaning and anti-corrosion device and a stirring device. The cleaning and anti-corrosion device includes a scraper assembly and a spray assembly. The scraper assembly and the stirring device are coaxially arranged with the mortar trough, and the spray assembly is arranged on one side of the mortar trough.

2. The heavy-duty anti-corrosion and wear-resistant lining of the circulating slurry tank according to claim 1 is characterized in that: The groove wall lining comprises, from the inside to the outside, a multi-layer nano-composite emulsion base coating, a light-cured nano-sheet layer and a nano-composite emulsion sealing coating.

3. The heavy-duty anti-corrosion and wear-resistant lining of the circulating slurry tank according to claim 1 is characterized in that: The tank bottom lining includes a polyethylene base coating, a polytetrafluoroethylene reinforcement layer and a polytetrafluoroethylene sealing layer from the inside to the outside.

4. The heavy-duty anticorrosion and wear-resistant lining of the circulating slurry tank according to claim 1 is characterized in that: The stirring device includes a first drive motor and a stirring shaft. One end of the top of the stirring shaft is rotatably connected to the top of the mortar tank and extends to the outside to be connected to the output shaft of the first drive motor. The first drive motor is connected to the outer wall of the top of the mortar tank. A plurality of stirring blades are connected to the stirring shaft.

5. The heavy-duty anticorrosion and wear-resistant lining of the circulating slurry tank according to claim 4 is characterized in that: The stirring shaft and the stirring blades are coated with a polypropylene anti-corrosion layer.

6. The heavy-duty anticorrosion and wear-resistant lining of the circulating slurry tank according to claim 5 is characterized in that: The scraper assembly includes a second drive motor, a rotating shaft, a first scraper and a second scraper. One end of the rotating shaft is rotatably arranged in the middle of the stirring shaft, and the other end is rotatably connected to the bottom of the mortar tank and extends to the outside to be connected to the output shaft of the second drive motor. The second drive motor is connected to the outer wall of the bottom of the mortar tank. The first scraper is horizontally arranged at the bottom end of the rotating shaft, and the first scraper is in contact with the inner bottom wall of the mortar tank. The second scraper is vertically arranged at the end of the first scraper away from the rotating shaft, and the second scraper is in contact with the inner wall of the mortar tank.

7. The heavy-duty anti-corrosion and wear-resistant lining of the circulating slurry tank according to claim 6 is characterized in that: The first scraper includes a first metal plate and a first PVC scraper. The first PVC scraper is installed at the bottom of the first metal plate and fits with the inner bottom wall of the mortar tank.

8. The heavy-duty anti-corrosion and wear-resistant lining of the circulating slurry tank according to claim 6 is characterized in that: The second scraper includes a second metal plate and a second PVC scraper, and the second PVC scraper is installed on the outer side of the second metal plate and fits the inner wall of the mortar tank.

9. The heavy-duty anticorrosion and wear-resistant lining of the circulating slurry tank according to claim 1 is characterized by: The spray assembly includes a water suction pipe, a water pump, a valve and a retractable rotating cleaning ball, wherein the valve is located on one side of the water pump, the water suction pipe is located on the other side of the water pump, and the retractable rotating cleaning ball is arranged at the lower end of the water suction pipe and located inside the mortar tank.

10. The heavy-duty anti-corrosion and wear-resistant lining of the circulating slurry tank according to claim 9, characterized in that: A fixing bolt is arranged between the water suction pipe and the water pump, and the outer surface of one side of the water suction pipe is fixedly connected to the outer surface of one side of the water pump through the fixing bolt. A screw is arranged between the retractable rotating cleaning ball and the water suction pipe, and the outer surface of one side of the retractable rotating cleaning ball is fixedly connected to the outer surface of the other side of the water suction pipe through the screw.

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