A multi-layer spraying device for heavy-duty anti-corrosion coating for concrete water tank construction

Abstract

This utility model relates to the field of concrete water tank construction technology, specifically a multi-layer spraying device for heavy-duty anti-corrosion coating in concrete water tank construction. It includes a feeding and sealing mechanism, a central filtration mechanism, an upper sealing plate, a feeding hopper, and a bidirectional stirring mechanism. The upper sealing plate is fixed to the top of the feeding and sealing mechanism, which contains the bidirectional stirring mechanism. The central filtration mechanism is located inside the feeding and sealing mechanism. This multi-layer spraying device for heavy-duty anti-corrosion coating in concrete water tank construction places the central filtration mechanism, used to trap excessively large particles, at the center of the side sealing shell and the guide bottom shell. Due to gravity, the coating accumulates along the guide bottom shell to the bottom feeding port, ensuring stable feeding even when the coating quantity is low. The inner support and cleaning scraper are connected by an inner and outer toothed ring, respectively. The drive motor, after docking and assembly, forms a transmission structure with reverse rotation, ensuring the uniformity of mixing and stirring in the device.

Description

Technical Field

[0001] This utility model relates to the field of concrete water tank construction technology, specifically to a multi-layer spraying device for heavy-duty anti-corrosion coating in concrete water tank construction. Background Technology

[0002] Concrete water tanks are a common water storage structure, widely used in domestic water supply, fire protection, sewage treatment, agricultural irrigation, industrial cooling and other fields. In the construction of concrete water tanks, especially in highly corrosive scenarios such as sewage treatment, chemical storage or seawater environment, multi-layer spraying of heavy-duty anti-corrosion coating is the key process to ensure long-term durability.

[0003] To address the issue of multi-layer spraying of heavy-duty anti-corrosion coatings, Chinese Patent Publication No. CN211329908U proposes a heavy-duty anti-corrosion coating spraying device, comprising a movable frame, a coating tank mounted on the frame, and an airless spraying mechanism. The coating tank has a lid at its upper opening, and a mixer is mounted on the lid. The stirring rod of the mixer extends into the coating tank. A hollow cylindrical filter column is also provided inside the coating tank and is inserted into the bottom of the tank. The high-pressure pump inlet pipe of the airless spraying mechanism is located inside the filter column.

[0004] The aforementioned utility model connects the feed pipe by opening an installation groove on one side of the bottom of the paint bucket. The installation groove, which is lower than the bottom plane of the bucket, can ensure a continuous supply of paint. However, the entire stirring structure is located in the center of the paint bucket. During the stirring process, the paint spreads to the edge of the stirring frame. When there is less paint, some paint will splash down to a position far away from the filter pump, making it difficult to effectively prevent insufficient paint from affecting the feeding process. Therefore, we propose a multi-layer spraying device for heavy-duty anti-corrosion coating for concrete water tank construction. Utility Model Content

[0005] To solve the above-mentioned technical problems, this application provides a multi-layer spraying device for heavy-duty anti-corrosion coating for concrete water tank construction, including a feeding and sealing mechanism, a central filtration mechanism, an upper sealing plate, a feeding hopper, and a bidirectional stirring mechanism. The upper sealing plate is fixed to the top of the feeding and sealing mechanism, and the feeding hopper is fixedly sleeved in a through hole opened on one side of the top of the upper sealing plate. The bidirectional stirring mechanism is provided in the feeding and sealing mechanism, and the central filtration mechanism is provided inside the feeding and sealing mechanism.

[0006] In some embodiments, the feeding and sealing mechanism consists of a side sealing shell and a flow guiding bottom shell, wherein the flow guiding bottom shell is fixedly connected to the bottom of the side sealing shell, and the top of the side sealing shell is sleeved on the upper sealing plate.

[0007] In some embodiments, the central filtration mechanism consists of a feed pipe, a filter section, and a bottom feed port. The feed pipe is fitted into a through groove opened at the center of the upper sealing plate, and a sealing ring is provided at the connection between the upper sealing plate and the feed pipe.

[0008] In some embodiments, the feed pipe is provided with a filter section, and the bottom of the feed pipe is provided with a bottom feed port, which is located at the inner bottom end of the guide shell.

[0009] In some embodiments, the bidirectional stirring mechanism comprises a drive motor, an inner gear ring, an outer gear ring, a scraper, an outer stirring rod, an inner support, and an inner stirring rod, wherein the drive motor is fixedly installed on the top side of the upper sealing plate.

[0010] In some embodiments, the output end of the drive motor is respectively connected to the inner gear ring and the outer gear ring through gear meshing. The inner gear ring and the outer gear ring are rotatably connected in the annular groove opened at the bottom of the upper sealing plate. An inner support is uniformly arranged at the bottom of the inner gear ring, and an inner stirring rod is uniformly arranged on the inner support.

[0011] In some embodiments, a cleaning scraper is fixedly connected to the bottom of the outer toothed ring via a connecting rod. The cleaning scraper is slidably connected to the inner wall of the side seal and the guide bottom shell, and an outer stirring rod is evenly arranged on the cleaning scraper.

[0012] This utility model has at least the following beneficial effects:

[0013] 1. In this utility model, the central filter mechanism for intercepting excessively large particles is placed at the center of the side seal shell and the bottom guide shell. After assembly, the bottom feed port below the feed pipe is located at the bottom of the inner side of the bottom guide shell. At the same time, during the stirring process, the cleaning scraper that is slidably connected to the inner wall of the side seal shell and the bottom guide shell will reciprocate to clean the inner wall of the feeding and sealing mechanism to prevent the paint from sticking. The bottom of the closed structure formed by the entire side seal shell and the bottom guide shell is conical. The paint will accumulate along the bottom guide shell to the bottom feed port due to gravity, so that the paint can still be fed stably when there is a small amount of paint.

[0014] 2. In this utility model, the inner support and the cleaning scraper are connected by an inner toothed ring and an outer toothed ring respectively. The gears on the output end of the drive motor mesh with the tooth grooves on the outer wall of the inner toothed ring and the outer toothed ring respectively to form a transmission structure with reverse rotation. As the drive motor rotates, the outer stirring rod on the cleaning scraper and the inner stirring rod on the inner support can mix and stir the coating from two directions at the same time, ensuring the uniformity of mixing and stirring of the device. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2This is a schematic diagram of the assembly structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the overall structure of Embodiment 2 of this utility model;

[0018] Figure 4 This is a schematic diagram of the exploded structure of Embodiment 2 of this utility model;

[0019] Figure 5 for Figure 4 A magnified view of a portion of region A in the middle.

[0020] In the diagram: 1-Feeding and sealing mechanism; 2-Central filtration mechanism; 3-Upper sealing plate; 4-Feeding hopper; 5-Two-way stirring mechanism; 11-Side sealing shell; 12-Guiding bottom shell; 21-Feeding pipe; 22-Filtration section; 23-Bottom feeding port; 51-Drive motor; 52-Inner toothed ring; 53-Outer toothed ring; 54-Scraper; 55-Outer stirring rod; 56-Inner support; 57-Inner stirring rod; 100-Heating mechanism; 101-Insulated bottom shell; 102-Limiting strip; 103-Limiting groove; 104-Heating shell; 105-Spiral water channel; 106-Water inlet pipe; 107-Water outlet pipe. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1:

[0023] Please see Figure 1-2 This utility model provides a technical solution: a multi-layer spraying device for heavy-duty anti-corrosion coating for concrete water tank construction, including a feeding and sealing mechanism 1, a central filtration mechanism 2, an upper sealing plate 3, a feeding hopper 4, and a bidirectional stirring mechanism 5. The upper sealing plate 3 is fixed to the top of the feeding and sealing mechanism 1, and the feeding hopper 4 is fixedly sleeved in a through hole opened on one side of the top of the upper sealing plate 3. The bidirectional stirring mechanism 5 is provided in the feeding and sealing mechanism 1. The central filtration mechanism 2 is provided inside the feeding and sealing mechanism 1. The central filtration mechanism 2 is connected to a high-pressure pump and a coating spray head. Under the negative pressure of the high-pressure pump, the coating inside the feeding and sealing mechanism 1 will enter the central filtration mechanism 2, remove large particles, and then be sprayed out from the coating spray head to perform multi-layer spraying of heavy-duty anti-corrosion coating.

[0024] The feeding and sealing mechanism 1 consists of a side sealing shell 11 and a flow guiding bottom shell 12. The flow guiding bottom shell 12 is fixedly connected to the bottom of the side sealing shell 11, and the top of the side sealing shell 11 is sleeved on the upper sealing plate 3. The bottom of the closed structure formed by the entire side sealing shell 11 and the flow guiding bottom shell 12 is conical. The coating will accumulate along the flow guiding bottom shell 12 to the bottom inlet 23 due to gravity.

[0025] The central filter mechanism 2 consists of a feed pipe 21, a filter section 22, and a bottom feed port 23. The feed pipe 21 is fitted into a through groove at the center of the upper sealing plate 3. A sealing ring is provided at the connection between the upper sealing plate 3 and the feed pipe 21 to ensure the sealing of the connection. The feed pipe 21 is equipped with a filter section 22, and the bottom of the feed pipe 21 is equipped with a bottom feed port 23, which is located at the bottom of the guide shell 12. The paint entering through the bottom feed port 23 will filter out larger particles in the filter section 22 to prevent particles from entering the spray head and causing damage to the equipment. The central filter mechanism 2, which is used to intercept excessively large particles, is placed at the center of the side sealing shell 11 and the guide shell 12. After assembly, the bottom feed port 23 below the feed pipe 21 is located at the bottom of the guide shell 12, which can still stably feed paint even when the amount of paint is small.

[0026] The bidirectional stirring mechanism 5 consists of a drive motor 51, an internal gear ring 52, an external gear ring 53, a scraper 54, an external stirring rod 55, an internal support 56, and an internal stirring rod 57. The drive motor 51 is fixedly installed on one side of the top of the upper sealing plate 3. The output end of the drive motor 51 is connected to the internal gear ring 52 and the external gear ring 53 respectively through gear meshing. Both the internal gear ring 52 and the external gear ring 53 are rotatably connected in an annular groove opened at the bottom of the upper sealing plate 3. The internal support 56 is evenly arranged at the bottom of the internal gear ring 52, and the internal stirring rod 57 is evenly arranged on the internal support 56. The scraper 54 is fixedly connected to the bottom of the external gear ring 53 through a connecting rod. The scraper 54 is slidably connected to the inner wall of the side seal 11 and the guide bottom shell 12. The scraper 54 is evenly provided with outer stirring rods 55. The inner support 56 and the scraper 54 are respectively connected by the inner toothed ring 52 and the outer toothed ring 53. The gears on the output end of the drive motor 51 mesh with the tooth grooves on the outer wall of the inner toothed ring 52 and the outer toothed ring 53 to form a transmission structure with reverse rotation. As the drive motor 51 rotates, the outer stirring rods 55 on the scraper 54 and the inner stirring rods 57 on the inner support 56 can mix and stir the coating from two directions at the same time, ensuring the uniformity of the mixing of the device.

[0027] Example 2:

[0028] Please see Figure 3-5This utility model provides a technical solution: a multi-layer spraying device for heavy-duty anti-corrosion coating for concrete water tank construction, including a feeding and sealing mechanism 1, a central filtration mechanism 2, an upper sealing plate 3, a feeding hopper 4, and a bidirectional stirring mechanism 5. The upper sealing plate 3 is fixed to the top of the feeding and sealing mechanism 1, and the feeding hopper 4 is fixedly sleeved in a through hole opened on one side of the top of the upper sealing plate 3. The bidirectional stirring mechanism 5 is provided in the feeding and sealing mechanism 1, and the central filtration mechanism 2 is provided inside the feeding and sealing mechanism 1. Based on the first embodiment, a heating mechanism 100 is added. The heating mechanism 100 consists of an insulated bottom shell 101, a limiting strip 102, a limiting groove 103, a heating shell 104, a spiral water channel 105, a water inlet pipe 106, and a water outlet pipe 107. The insulated bottom shell 101 is fixed to the bottom of the heating shell 104. Limiting grooves 103 are symmetrically opened on the inner wall of the heating shell 104. Limiting strips 102 are slidably connected in the limiting grooves 103. The heating shell 104 is symmetrically fixed on the side sealing shell 11, and the heat-insulating bottom shell 101 is fitted on the flow-guiding bottom shell 12. The heating shell 104 has a spiral water channel 105 inside. The top and bottom of one side of the heating shell 104 are respectively provided with a water outlet pipe 107 and a water inlet pipe 106, and the water outlet pipe 107 and the water inlet pipe 106 are interconnected with the spiral water channel 105. By adding the heat-insulating bottom shell 101 and the heating shell 104 to cover the feeding and sealing mechanism 1, the spiral water channel 105 inside the heating shell 104, together with the water outlet pipe 107 and the water inlet pipe 106, can form a spiral upward heat flow structure in the heating shell 104 from bottom to top. The entire flow is supported by only one independent spiral water channel 105, and the water outlet pipe 107 and the water inlet pipe 106 are connected to the water pump to form a hot water circulation loop. During the heat exchange process, an effective heat flow circulation can be generated on the spiral water channel 105, ensuring the heating effect.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-layer spraying device for heavy-duty anti-corrosion coating for concrete water tank construction, comprising a feeding and sealing mechanism (1), a central filtration mechanism (2), an upper sealing plate (3), a feeding hopper (4), and a bidirectional mixing mechanism (5), characterized in that: The upper sealing plate (3) is fixed on the top of the feeding and sealing mechanism (1). A feeding hopper (4) is fixedly sleeved in the through hole opened on one side of the top of the upper sealing plate (3). A bidirectional stirring mechanism (5) is provided in the feeding and sealing mechanism (1). A central filter mechanism (2) is provided inside the feeding and sealing mechanism (1).

2. The multi-layer spraying device for heavy-duty anti-corrosion coating in concrete water tank construction according to claim 1, characterized in that: The feeding and sealing mechanism (1) consists of a side sealing shell (11) and a flow guiding bottom shell (12). The flow guiding bottom shell (12) is fixedly connected to the bottom of the side sealing shell (11), and the top of the side sealing shell (11) is sleeved on the upper sealing plate (3).

3. The multi-layer spraying device for heavy-duty anti-corrosion coating in concrete water tank construction according to claim 1, characterized in that: The central filtration mechanism (2) consists of a feed pipe (21), a filter section (22) and a bottom feed port (23). The feed pipe (21) is fitted into a through groove opened at the center of the upper sealing plate (3). A sealing ring is provided at the connection between the upper sealing plate (3) and the feed pipe (21).

4. The multi-layer spraying device for heavy-duty anti-corrosion coating in concrete water tank construction according to claim 3, characterized in that: The feed pipe (21) is provided with a filter section (22), and the bottom of the feed pipe (21) is provided with a bottom feed port (23), which is located at the bottom of the guide shell (12).

5. The multi-layer spraying device for heavy-duty anti-corrosion coating in concrete water tank construction according to claim 1, characterized in that: The bidirectional stirring mechanism (5) consists of a drive motor (51), an inner gear ring (52), an outer gear ring (53), a scraper (54), an outer stirring rod (55), an inner support (56), and an inner stirring rod (57). The drive motor (51) is fixedly installed on the top side of the upper sealing plate (3).

6. The multi-layer spraying device for heavy-duty anti-corrosion coating in concrete water tank construction according to claim 5, characterized in that: The output end of the drive motor (51) is connected to the inner gear ring (52) and the outer gear ring (53) respectively through gear meshing. The inner gear ring (52) and the outer gear ring (53) are rotatably connected in the annular groove opened at the bottom of the upper sealing plate (3). The bottom of the inner gear ring (52) is uniformly provided with an inner support (56), and the inner support (56) is uniformly provided with an inner stirring rod (57).

7. The multi-layer spraying device for heavy-duty anti-corrosion coating in concrete water tank construction according to claim 6, characterized in that: The bottom of the outer toothed ring (53) is fixedly connected to a cleaning scraper (54) by a connecting rod. The cleaning scraper (54) is slidably connected to the inner wall of the side seal shell (11) and the guide bottom shell (12). The cleaning scraper (54) is uniformly provided with an outer stirring rod (55).

Images