Discharging protective cover for paint mixing tank

Abstract

The utility model relates to the technical field of paint processing and production, and discloses a discharge protective cover for a paint mixing tank, the discharge protective cover comprises a paint tank assembly and a cylinder score assembly, and a protective assembly is arranged between the paint tank assembly and the cylinder score assembly. According to the discharging protective cover for the paint mixing tank, the effects of source sealing emission reduction and flexible adaptive use can be achieved through the arranged protective assembly, a silica gel inflation sealing ring is inflated and expanded through an inflation pipe, a polyurethane coating is matched with the silica gel inflation sealing ring to be tightly attached to the outer wall of the cylinder score body, a closed space is formed, and the volatile path of VOCs is limited in the conical protective cover; volatile gas is primarily adsorbed by the hydrophobic modified zeolite particle layer and deeply purified by the activated carbon adsorption layer in sequence, and then is directionally discharged through the exhaust channel, so that the probability of environmental pollution and harm to the health of operators is effectively reduced; the conical protective cover can be arranged on the pull cylinder bodies of different sizes in a sealing and sleeving mode, and the application range is widened.

Description

Technical Field

[0001] This application relates to the field of paint processing and production technology, specifically to a discharge protective cover for paint mixing tanks. Background Technology

[0002] In the paint production process, the paint mixed in the mixing tank needs to be transferred to the drawing cylinder for temporary storage through the discharge port, and then distributed from the drawing cylinder to small paint buckets to form the final product.

[0003] However, in the existing technology, there are significant defects in the discharge process from the paint mixing tank to the discharge cylinder. During this process, volatile organic compounds (VOCs) in the paint, such as toluene and xylene, are directly exposed to the air during discharge. They are volatilized in large quantities through natural diffusion or airflow disturbance, causing environmental pollution and endangering the health of operators. In order to solve the above problems, a discharge protective cover for paint mixing tanks has been proposed. Utility Model Content

[0004] To address the shortcomings of existing technologies, this application provides a discharge protective cover for paint mixing tanks. By optimizing the sealing design of the discharge process, it can reduce fugitive VOC emissions, significantly reduce environmental protection costs, and improve operational safety, which is in line with the trend of green manufacturing.

[0005] To achieve the above objectives, this application provides the following technical solution: a discharge protective cover for a paint mixing tank, comprising a paint tank assembly and a cylinder assembly, wherein a protective component is provided between the paint tank assembly and the cylinder assembly, the paint tank assembly comprising a paint mixing tank body and a paint mixing tank discharge port installed at the bottom end of the paint mixing tank body, the protective component comprising a conical protective cover and a connecting screw hole opened at the top of the conical protective cover, a connecting ring is fixedly connected to the outer surface of the paint mixing tank discharge port, a plurality of connecting bolts are installed inside the connecting ring, and the conical protective cover is fixedly connected to the bottom surface of the connecting ring through the connecting screw hole and the connecting bolts.

[0006] The top of the conical protective cover is equipped with a hydrophobic modified zeolite particle layer and an activated carbon adsorption layer, both of which are sleeved on the outer surface of the paint mixing tank outlet. The bottom of the conical protective cover is fixedly connected to two annular limiting plates, and a silicone gas-filled sealing ring is fixedly connected between the two annular limiting plates. The outer surface of the silicone gas-filled sealing ring is coated with a polyurethane coating. An inflation pipe and a vent pipe are respectively installed on both sides of the silicone gas-filled sealing ring. A pressure gauge is installed inside the silicone gas-filled sealing ring. The top of the conical protective cover is connected to two corresponding exhaust channels.

[0007] Through the above solution, the protective components can achieve source sealing and emission reduction, as well as flexible adaptability. The silicone inflatable sealing ring expands through the inflation tube and, together with the polyurethane coating, fits tightly against the outer wall of the cylinder assembly, forming a sealed space. This confines the VOCs volatilization path within the conical protective cover. Volatile gases are initially adsorbed by the hydrophobic modified zeolite particle layer and deeply purified by the activated carbon adsorption layer before being directionally discharged through the exhaust channel, effectively reducing the probability of environmental pollution and harm to the health of operators. In addition, the directional expansion design of the annular limiting plate and the silicone inflatable sealing ring allows the conical protective cover to be sealed and fitted onto cylinder bodies of different sizes, improving its applicability. Finally, the conical protective cover can be quickly fixed to the paint can outlet through connecting screw holes, connecting rings, and connecting bolts. The connecting sealing ring enhances the top sealing effect. The entire system requires no modification to existing equipment, is ready to use immediately, and significantly reduces environmental governance costs and operational risks.

[0008] Furthermore, the cylinder assembly includes a cylinder body located below the paint mixing tank outlet, a cylinder outlet is installed on the outer surface of the cylinder body, the conical protective cover is fitted on the top of the cylinder body, and the polyurethane coating is in close contact with the outer surface of the cylinder body.

[0009] The above solution allows for easy dispensing of paint from inside the cylinder body into small paint buckets via the designed cylinder discharge port, resulting in small bucket paint products. It also defines the relationship between the polyurethane coating and the cylinder body, enabling the bottom of the conical protective cover to wrap around the top of the cylinder body through the expansion of the silicone gas-filled sealing ring, forming a relatively sealed space and reducing the probability of volatile gases accidentally leaking out from the bottom of the conical protective cover.

[0010] Furthermore, four support piles are fixedly connected to the bottom surface of the cylinder body, and two symmetrical handles are fixedly connected to the outer surface of the cylinder body.

[0011] The above scheme allows the cylinder body to be placed stably on the ground by the support piles, and the handles make it easy to move the cylinder body.

[0012] Furthermore, a connecting sealing ring is fitted on the inner wall of the top of the conical protective cover, and the inner side of the connecting sealing ring is in close contact with the outer surface of the paint mixing tank outlet.

[0013] The above solution improves the sealing effect at the connection between the conical protective cover and the paint mixing tank outlet by setting a connecting sealing ring, thus optimizing the actual use effect.

[0014] Furthermore, one end of the inflation tube, the deflation tube, and the pressure gauge all penetrates the conical protective cover and is located outside the inflation tube. One-way valves are installed on the sections of the inflation tube and the deflation tube. Sealing caps are threaded to the ends of the inflation tube and the deflation tube that are far apart from each other.

[0015] The above scheme allows for the control of gas flow direction within the inflation pipe by installing a one-way valve, which is beneficial for stable inflation. Similarly, it allows for the control of gas flow direction within the venting pipe by installing a one-way valve, which is beneficial for stable venting. The sealing caps can be used to seal both the inflation and venting pipes.

[0016] Furthermore, both of the exhaust channels are located above the activated carbon adsorption layer.

[0017] By defining the positional relationship between the exhaust channel and the activated carbon adsorption layer, the emission path of volatile organic compounds in the coating can be limited. The volatile organic compounds will first pass through the hydrophobic modified zeolite particle layer, then through the activated carbon adsorption layer, and finally be discharged to the outside of the conical protective cover through the exhaust channel.

[0018] Furthermore, a venting marker plate is fixedly connected to the outer surface of the conical protective cover, and the venting marker plate is located directly below the venting pipe.

[0019] The above solution allows for marking the function of the vent pipe using a venting marker plate, facilitating the venting of the silicone inflatable sealing ring.

[0020] Furthermore, an inflation marker plate is fixedly connected to the outer surface of the conical protective cover, and the inflation marker plate is located directly above the inflation tube.

[0021] The above scheme allows for marking the function of the inflation tube using an inflation marking plate, facilitating the inflation of the silicone inflation sealing ring.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] This paint mixing tank's discharge protective cover, through its designed protective components, achieves source sealing and emission reduction, as well as flexible adaptability. The silicone inflatable sealing ring expands through the inflation tube, and together with the polyurethane coating, it fits tightly against the outer wall of the cylinder body, forming a sealed space. This confines the VOCs volatilization path within the conical protective cover. Volatile gases undergo preliminary adsorption by the hydrophobic modified zeolite particle layer and deep purification by the activated carbon adsorption layer before being directionally discharged through the exhaust channel, effectively reducing environmental pollution and the probability of harm to operators' health. Furthermore, the directional expansion design of the annular limiting plate and the silicone inflatable sealing ring allows the conical protective cover to be sealed and fitted onto cylinder bodies of different sizes, increasing its applicability. Finally, the conical protective cover can be quickly fixed to the paint mixing tank's discharge port through connecting screw holes, connecting rings, and connecting bolts. The connecting sealing ring further enhances the top sealing effect. The entire system requires no modification to existing equipment, is ready to use immediately, and significantly reduces environmental governance costs and operational risks. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall front view of the structure of this application;

[0025] Figure 2 This is a partial front view schematic diagram of the structure of this application;

[0026] Figure 3 This is a partial exploded structural diagram of the structure in this application;

[0027] Figure 4 This is a first partial sectional view of the structure of this application;

[0028] Figure 5 This is a schematic diagram of the second partial cross-sectional structure of the present application.

[0029] In the picture:

[0030] 1. Paint can assembly; 101. Paint mixing can body; 102. Paint mixing can outlet; 2. Cylinder assembly; 201. Cylinder body; 202. Cylinder outlet; 203. Support pile; 204. Handle; 3. Protective components; 301. Conical protective cover; 302. Connecting screw hole; 303. Connecting ring; 304. Connecting bolt; 305. Hydrophobic modified zeolite particle layer; 306. Activated carbon adsorption layer; 307. Annular limiting plate; 308. Silicone inflatable sealing ring; 309. Polyurethane coating; 310. Inflation pipe; 311. Vent pipe; 312. One-way valve; 313. Sealing cap; 314. Pressure gauge; 315. Exhaust channel; 316. Vent mark plate; 317. Inflation mark plate; 318. Connecting sealing ring. Detailed Implementation

[0031] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0032] Please see Figure 1 , Figure 2 and Figure 3 The paint mixing can discharge protective cover in this embodiment includes a paint can assembly 1 and a cylinder assembly 2. A protective component 3 is provided between the paint can assembly 1 and the cylinder assembly 2. The paint can assembly 1 includes a paint mixing can body 101 and a paint mixing can discharge port 102 installed at the bottom of the paint mixing can body 101. The protective component 3 includes a conical protective cover 301 and a connecting screw hole 302 opened at the top of the conical protective cover 301. A connecting ring 303 is fixedly connected to the outer surface of the paint mixing can discharge port 102. A plurality of connecting bolts 304 are installed inside the connecting ring 303. The conical protective cover 301 is connected to the connecting screw hole 302 and the connecting bolts. 304 is fixedly connected to the bottom surface of the connecting ring 303, which allows for quick installation and connection of the conical protective cover 301 to the cylinder body 201. This allows the conical protective cover 301 to be suspended below the paint mixing tank body 101, which is beneficial for subsequent volatile gas treatment. The inner wall of the top of the conical protective cover 301 is fitted with a connecting sealing ring 318. The inner side of the connecting sealing ring 318 is in close contact with the outer surface of the paint mixing tank outlet 102. The connecting sealing ring 318 improves the sealing effect at the connection between the conical protective cover 301 and the paint mixing tank outlet 102, optimizing the actual use effect.

[0033] Please see Figure 3 , Figure 4 and Figure 5The top of the conical protective cover 301 is equipped with a hydrophobic modified zeolite particle layer 305 and an activated carbon adsorption layer 306. Both the hydrophobic modified zeolite particle layer 305 and the activated carbon adsorption layer 306 are fitted onto the outer surface of the paint mixing tank outlet 102. The hydrophobic modified zeolite particle layer 305 is located below the activated carbon adsorption layer 306. During the discharge process, volatile organic compounds generated will be adsorbed and treated sequentially by the hydrophobic modified zeolite particle layer 305 and the activated carbon adsorption layer 306, thereby reducing the probability of environmental pollution. The bottom of the conical protective cover 301 is fixedly connected to two annular limiting plates 307. A silicone gas-filled sealing ring 308 is fixedly connected between the two annular limiting plates 307. Fixing the silicone gas-filled sealing ring 308 between the two annular limiting plates 307 can limit the direction of expansion of the silicone gas-filled sealing ring 308. In this way, the expansion of the silicone gas-filled sealing ring 308 can achieve the sealing effect of the bottom of the conical protective cover 301, reducing the amount of volatile organic compounds released during the discharge process. To reduce the probability of leakage at the bottom of the conical protective cover 301, the outer surface of the silicone inflatable sealing ring 308 is coated with a polyurethane coating 309. The polyurethane coating 309 improves the chemical resistance of the silicone inflatable sealing ring 308, thereby extending its service life. An inflation pipe 310 and a vent pipe 311 are respectively installed on both sides of the silicone inflatable sealing ring 308. A vent marking plate 316 is fixedly connected to the outer surface of the conical protective cover 301. The vent marking plate 316 is located directly below the vent pipe 311. The vent marking plate 316 can mark the function of the vent pipe 311, facilitating the venting of the silicone inflatable sealing ring 308. An inflation marking plate 317 is fixedly connected to the outer surface of the conical protective cover 301. The inflation marking plate 317 is located directly above the inflation pipe 310. The inflation marking plate 317 can mark the function of the inflation pipe 310, facilitating the inflation of the silicone inflatable sealing ring 308.

[0034] Please see Figure 3 , Figure 4 and Figure 5A pressure gauge 314 is installed inside the silicone inflatable sealing ring 308. The top of the conical protective cover 301 is connected to two corresponding exhaust channels 315. Both exhaust channels 315 are located above the activated carbon adsorption layer 306. By limiting the positional relationship between the exhaust channels 315 and the activated carbon adsorption layer 306, the outward emission path of volatile organic compounds in the coating can be limited. The volatile organic compounds will first pass through the hydrophobically modified zeolite particle layer 305, then through the activated carbon adsorption layer 306, and finally be discharged to the outside of the conical protective cover 301 through the exhaust channels 315. One end of the inflation pipe 310, the vent pipe 311, and the pressure gauge 314 are all... A conical protective cover 301 is installed through the outside of the inflation pipe 310. One-way valves 312 are installed on both the inflation pipe 310 and the vent pipe 311. Sealing caps 313 are threaded to the ends of the inflation pipe 310 and the vent pipe 311 that are far apart from each other. By setting one-way valves 312 on the inflation pipe 310, the direction of gas flow inside the inflation pipe 310 can be controlled, which is beneficial to the stable inflation operation. By setting one-way valves 312 on the vent pipe 311, the direction of gas flow inside the vent pipe 311 can be controlled, which is beneficial to the stable venting operation. The sealing caps 313 can seal the inflation pipe 310 and the vent pipe 311.

[0035] Please see Figure 1 , Figure 2 and Figure 4 The cylinder assembly 2 includes a cylinder body 201 located below the paint can outlet 102. The cylinder body 201 has an outlet 202 mounted on its outer surface. A conical protective cover 301 is fitted onto the top of the cylinder body 201. A polyurethane coating 309 is in close contact with the outer surface of the cylinder body 201. The outlet 202 allows for easy dispensing of paint from inside the cylinder body 201 into small paint cans, resulting in small cans of paint. The outlet 202 defines the relationship between the polyurethane coating 309 and the cylinder body 201. The expansion of the silicone gas-filled sealing ring 308 allows the bottom of the conical protective cover 301 to cover the paint cans. Wrapped around the top of the cylinder body 201, it forms a relatively sealed space, reducing the probability of volatile gases accidentally leaking from the bottom of the conical protective cover 301. Furthermore, by controlling the expansion degree of the silicone inflatable sealing ring 308, it can adapt to cylinder bodies 201 of different sizes, making it more practical. Four support posts 203 are fixedly connected to the bottom surface of the cylinder body 201, and two symmetrical handles 204 are fixedly connected to the outer surface of the cylinder body 201. The support posts 203 allow the cylinder body 201 to be placed stably on the ground, and the handles 204 facilitate the handling of the cylinder body 201.

[0036] In this embodiment, the discharge protective cover for the paint mixing tank, through the protective component 3, achieves source sealing and emission reduction, as well as flexible adaptability. The silicone inflatable sealing ring 308 expands through the inflation pipe 310, and, together with the polyurethane coating 309, tightly adheres to the outer wall of the cylinder body 201, forming a sealed space. This confines the VOCs volatilization path within the conical protective cover 301. The volatile gases undergo preliminary adsorption by the hydrophobic modified zeolite particle layer 305 and deep purification by the activated carbon adsorption layer 306 before being directionally discharged through the exhaust channel 315, effectively reducing environmental pollution. This reduces the probability of contamination and harm to operator health. Furthermore, through the directional expansion design of the annular limiting plate 307 and the silicone inflatable sealing ring 308, the conical protective cover 301 can be sealed and fitted onto cylinder bodies 201 of different sizes, thus improving its applicability. Finally, the conical protective cover 301 can be quickly fixed to the paint can outlet 102 through the connecting screw hole 302, connecting ring 303, and connecting bolt 304. Combined with the connecting sealing ring 318, it enhances the top sealing effect. The entire system requires no modification to existing equipment, is ready to use immediately, and significantly reduces environmental protection costs and operational risks.

[0037] The working principle of the above embodiment is as follows: Before the paint is discharged, the operator fixes the conical protective cover 301 to the paint mixing tank outlet 102 through the connecting screw hole 302, connecting ring 303 and connecting bolt 304, so that the connecting sealing ring 318 is tightly attached to the outer surface of the paint mixing tank outlet 102 to ensure the top is sealed. Then, the bottom of the conical protective cover 301 is inserted into the top of the cylinder body 201, and gas is injected into the silicone gas-filled sealing ring 308 through the gas filling pipe 310. The gas filling pressure is monitored in real time by the pressure gauge 314. The silicone gas-filled sealing ring 308 expands under the constraint of the annular limiting plate 307, and its surface polyurethane coating 309 will be tightly attached to the outer wall of the cylinder body 201 to form a bottom sealed space. During the discharge process, when the paint in the paint mixing tank body 101 flows into the cylinder body 201 through the paint mixing tank outlet 102, the volatilized VOCs gas is confined within the internal space of the conical protective cover 301. The gas first adsorbs macromolecular organic matter and moisture through the hydrophobically modified zeolite particle layer 305, and then is further purified by the activated carbon adsorption layer 306. Finally, it is directionally discharged to the external treatment system through the top exhaust channel 315, achieving the reduction of harmful substances. After the material is discharged, the operator opens the one-way valve 312 through the vent pipe 311 to release the gas in the silicone gas-filled sealing ring 308. The silicone gas-filled sealing ring 308 retracts and resets, which allows the cylinder body 201 to be easily separated from the conical protective cover 301 for the next use. In addition, the venting mark plate 316 and the filling mark plate 317 provide operation guidance to ensure the correctness of operation. In summary, this device, through the synergistic design of gas filling and sealing and multi-layer adsorption, can efficiently block the fugitive emission of VOCs without modifying the existing equipment. At the same time, it is compatible with different specifications of cylinder bodies 201, taking into account environmental protection, practicality and ease of operation.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0039] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A discharge protective cover for a paint mixing tank, comprising a paint tank assembly (1) and a cylinder assembly (2), characterized in that: A protective component (3) is provided between the paint can assembly (1) and the cylinder assembly (2). The paint can assembly (1) includes a paint can body (101) and a paint can outlet (102) installed at the bottom of the paint can body (101). The protective component (3) includes a conical protective cover (301) and a connecting screw hole (302) opened at the top of the conical protective cover (301). A connecting ring (303) is fixedly connected to the outer surface of the paint can outlet (102). A plurality of connecting bolts (304) are installed inside the connecting ring (303). The conical protective cover (301) is fixedly connected to the bottom surface of the connecting ring (303) through the connecting screw hole (302) and the connecting bolts (304). The top of the conical protective cover (301) is equipped with a hydrophobic modified zeolite particle layer (305) and an activated carbon adsorption layer (306). The hydrophobic modified zeolite particle layer (305) and the activated carbon adsorption layer (306) are both sleeved on the outer surface of the paint mixing tank outlet (102). The bottom of the conical protective cover (301) is fixedly connected to two annular limiting plates (307). A silicone gas-filled sealing ring (308) is fixedly connected between the two annular limiting plates (307). The outer surface of the silicone gas-filled sealing ring (308) is coated with a polyurethane coating (309). An inflation pipe (310) and a vent pipe (311) are respectively installed on both sides of the silicone gas-filled sealing ring (308). A pressure gauge (314) is installed inside the silicone gas-filled sealing ring (308). The top of the conical protective cover (301) is connected to two corresponding exhaust channels (315).

2. The discharge protective cover for the paint mixing tank according to claim 1, characterized in that: The cylinder assembly (2) includes a cylinder body (201) located below the paint mixing tank outlet (102), the cylinder body (201) has a cylinder outlet (202) installed on its outer surface, the conical protective cover (301) is fitted on the top of the cylinder body (201), and the polyurethane coating (309) is in close contact with the outer surface of the cylinder body (201).

3. The discharge protective cover for the paint mixing tank according to claim 2, characterized in that: The bottom surface of the cylinder body (201) is fixedly connected with four support piles (203), and the outer surface of the cylinder body (201) is fixedly connected with two symmetrical handles (204).

4. The discharge protective cover for the paint mixing tank according to claim 1, characterized in that: The inner wall of the top of the conical protective cover (301) is fitted with a connecting sealing ring (318), and the inner side of the connecting sealing ring (318) is in close contact with the outer surface of the paint mixing tank outlet (102).

5. The discharge protective cover for the paint mixing tank according to claim 1, characterized in that: One end of each of the inflation pipe (310), the deflation pipe (311), and the pressure gauge (314) passes through the conical protective cover (301) and is located outside the inflation pipe (310). One-way valves (312) are installed on the pipe sections of the inflation pipe (310) and the deflation pipe (311). The ends of the inflation pipe (310) and the deflation pipe (311) that are far apart from each other are threaded with sealing caps (313).

6. The discharge protective cover for paint mixing tank according to claim 1, characterized in that: Both of the exhaust channels (315) are located above the activated carbon adsorption layer (306).

7. The discharge protective cover for the paint mixing tank according to claim 1, characterized in that: The outer surface of the conical protective cover (301) is fixedly connected to a venting mark plate (316), which is located directly below the venting pipe (311).

8. The discharge protective cover for the paint mixing tank according to claim 1, characterized in that: An inflation marker plate (317) is fixedly connected to the outer surface of the conical protective cover (301), and the inflation marker plate (317) is located directly above the inflation tube (310).

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