Protection mechanism of epoxy zinc-rich primer mixing kettle

Abstract

The invention discloses a protection mechanism of an epoxy zinc-rich primer mixing kettle, and belongs to the technical field of auxiliary devices of protection mechanisms of the mixing kettles.The protection mechanism comprises the mixing kettle, a plurality of evenly-distributed supporting legs are fixedly connected to the periphery of the bottom side of the mixing kettle, and a first support and a second support are fixedly connected to the left side end and the right side end of the mixing kettle respectively; a first pump body is installed at the upper end of the first support, a first pipeline is installed between the first pump body and the bottom of the paint mixing kettle, harmful gas generated during reaction of the epoxy zinc-rich primer paint mixing kettle can be absorbed and purified, and the clean gas is discharged outwards through a sixth pipeline; the sprayed particles and the spraying liquid enter the spraying liquid purification assembly through a third pipeline, finally the spraying liquid is purified again in the spraying liquid purification assembly, and the spraying liquid is input into the box containing the chemical solution through a fourth pipeline, so that a closed-loop circulation mode is formed, the cost is greatly saved, and the working efficiency is improved. And meanwhile, the protection on the body safety of the working personnel is also improved.

Description

Technical Field

[0001] The invention relates to the technical field of accessory devices of a paint mixing kettle protection mechanism, and more specifically to a protection mechanism of an epoxy zinc-rich primer paint mixing kettle. Background Art

[0002] As we all know, epoxy zinc-rich primer is a special coating with epoxy resin, zinc powder, thickener, filler, additive and solvent as raw materials. It is mainly used for steel pipes, storage tanks, steel structures and containers. The preparation process of epoxy zinc-rich primer is generally divided into five steps: batching, dispersion, grinding, paint mixing and filtration. Among them, a paint mixing kettle is required for paint mixing. An epoxy zinc-rich primer paint mixing kettle is a mechanism for mixing epoxy zinc-rich primer. An epoxy zinc-rich primer paint mixing kettle has been widely used in the field of paint mixing.

[0003] However, it is found during the use of an existing paint mixing kettle for epoxy zinc-rich primer that raw materials need to be mixed together for reaction during the paint mixing process. Harmful gases will be generated during the reaction of different paint raw materials. Direct discharge will cause harm to workers and endanger their health, thus reducing the use efficiency and effect of the paint mixing kettle. For this reason, the present invention proposes a protective mechanism for a paint mixing kettle for epoxy zinc-rich primer. Summary of the invention

[0004] 1. Technical problems to be solved: In view of the problems existing in the prior art, the purpose of the present invention is to provide a protective mechanism for an epoxy zinc-rich primer paint mixing kettle, which can absorb and purify the harmful gases generated during the reaction of the epoxy zinc-rich primer paint mixing kettle, and the clean gas is discharged outwardly through pipe six, and the particles and spray liquid after spraying enter the spray liquid purification component through pipe three, and finally the spray liquid is purified again inside the spray liquid purification component, and the spray liquid is input into the box containing the chemical solution through pipe four, thereby forming a closed-loop circulation mode, which greatly saves costs and also improves the protection of the physical safety of the staff.

[0005] 2. Technical solution: To solve the above problems, the present invention adopts the following technical solutions.

[0006] A protective mechanism for an epoxy zinc-rich primer paint mixing kettle comprises a paint mixing kettle, wherein a plurality of evenly distributed supporting feet are fixedly connected to the bottom side of the paint mixing kettle, a bracket one and a bracket two are fixedly connected to the left and right side ends of the paint mixing kettle respectively, a pump body one is installed at the upper end of the bracket one, a pipe one is installed between the pump body one and the bottom of the paint mixing kettle, a gas receiving assembly is provided at the upper end of the bracket two, a pipe two is installed between the right bottom end of the gas receiving assembly and the top of the paint mixing kettle, a spray liquid purification assembly is movably connected to the lower end of the bracket two, a pipe three is installed between the spray liquid purification assembly and the front end of the gas receiving assembly, a pipe four is embedded and installed at the rear end of the spray liquid purification assembly, a pipe five is installed at the rear end of the gas receiving assembly, and a pipe six is ​​inserted at the top of the gas receiving assembly.

[0007] A further improvement is that the gas receiving assembly includes a gas receiving box installed at the upper end of a second bracket, a plugging cover is threadedly connected to the upper end of the gas receiving box, a limiting plate is fixedly connected to the inner wall of the gas receiving box, one side of the upper end of the limiting plate is set as an inclined surface, a pump body is installed at the inner bottom end of the gas receiving box, the side end of the second pump body is fixedly connected to the limiting plate, one side of the top end of the limiting plate is set as an inclined surface, a nozzle is installed at the upper end of the second pump body, and a secondary purification assembly is provided between the inner walls on the top side of the gas receiving box.

[0008] A further improvement is that the secondary purification component includes an annular stand fixedly connected between the inner walls of the top side of the gas receiving box, a base is provided at the upper end of the annular stand, a plurality of evenly distributed air holes are opened at the bottom end of the base, a plurality of placement tubes are fixedly connected to the upper end of the base, the plurality of placement tubes are respectively located on the outside of the air hole, and a filter component is inserted between the inner walls of the placement tubes.

[0009] A further improvement is that the filter assembly includes a purification cylinder inserted inside the placement cylinder, a filter cotton cloth is wound between the inner walls of the purification cylinder, and the upper and lower ends of the purification cylinder are threadedly connected with a plugging cover 2, a liquid seepage hole 1 is opened at the center end of the plugging cover 2, and a plurality of evenly distributed air holes 2 are opened at the bottom end of the plugging cover 2.

[0010] A further improvement is that the filter cotton cloth is made of an activated carbon plate, two purification nets, sponge pad one and sponge pad two by folding, laminating, gluing and winding. The two purification nets are respectively placed on the upper and lower sides of the activated carbon plate, and the side ends of the activated carbon plate, the two purification nets, sponge pad one and sponge pad two are fixedly connected with a collection pipe.

[0011] A further improvement is that the spray liquid purification component includes a purification box slidably arranged between the inner walls of the top sides of the second bracket, a cover plate is rotatably connected to the top of the purification box, three groups of symmetrically distributed limit clamps are fixedly connected to the left and right inner walls of the purification box, a filter screen, a purification plate 1, and a disinfection plate are respectively inserted between the inner walls of the three groups of limit clamps, and a plurality of purification balls are also arranged inside the purification box.

[0012] A further improvement is that the purification ball includes an annular bracket, and a plurality of evenly distributed purification plates 2 are fixedly connected to the upper and lower sides of the annular bracket, and a cloth bag is fixedly connected to the central ends of the plurality of purification plates 2, the interior of the cloth bag is filled with a water purifier, and a plugging cover 3 is threadedly connected to the upper end of the cloth bag.

[0013] A further improvement is that the second purification plate is a filter plate of a filter press and an ABS plastic filter plate.

[0014] 3. Beneficial effects: Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects: The present invention is reasonably designed. A gas receiving component is installed on one side of the paint mixing kettle and connected through pipe two, so that the harmful gas generated during the reaction of the epoxy zinc-rich primer paint mixing kettle can be directly discharged into the gas receiving component through pipe two, and spray liquid is injected into the gas receiving component through pipe five in the box containing the chemical solution, thereby absorbing and purifying the harmful gas generated during the reaction of the epoxy zinc-rich primer paint mixing kettle. Subsequently, the clean gas is discharged to the outside through pipe six, and the sprayed particles and spray liquid enter the spray liquid purification component through pipe three. Finally, the spray liquid is purified again inside the spray liquid purification component, and then the spray liquid is input into the box containing the chemical solution through pipe four, thereby forming a closed-loop circulation mode, which greatly saves costs and also improves the protection of the physical safety of the staff.

[0015] It should be noted that the structures not introduced in the present invention are the same as the prior art or can be implemented by using the prior art, and are not described in detail here because they do not involve the design points and improvement directions of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 is a schematic cross-sectional structure diagram of a gas receiving assembly of the present invention; Figure 3 It is a schematic diagram of a partial three-dimensional structure of a gas receiving assembly of the present invention; Figure 4 It is a structural schematic diagram of the secondary purification component of the present invention; Figure 5It is a schematic diagram of the structure of the filter assembly of the present invention; Figure 6 It is a schematic diagram of the structure of the filter cotton cloth of the present invention; Figure 7 It is a structural schematic diagram of the spray liquid purification component of the present invention; Figure 8 It is a schematic structural diagram of the purification ball of the present invention.

[0017] Description of the numbers in the figure: 1. Paint mixing kettle; 2. Support legs; 3. Bracket 1; 4. Bracket 2; 5. Pump body 1; 6. Pipeline 1; 7. Gas receiving assembly; 71. Gas receiving box; 711. Annular stand; 72. Blocking cover 1; 73. Limiting plate 1; 74. Pump body 2; 75. Limiting plate 2; 76. Nozzle; 78. Secondary purification component; 781. Base; 782. Air hole 1; 783. Placement cylinder; 784, filter assembly; 7841, purification cartridge; 7842, filter cotton cloth; 78421, activated carbon plate; 78422, purification net; 78423, sponge pad 1; 78424, sponge pad 2; 78425, collection tube; 7843, plugging cover 2; 7844, seepage hole 1; 7845, vent hole 2; 8. Pipeline 2; 9. Spray liquid purification assembly; 91. Purification box; 92. Cover plate; 93. Limiting clamp block; 94. Filter screen; 95. Purification board 1; 96. Disinfection board; 97, purification ball; 971, ring bracket; 972, purification plate 2; 973, cloth bag; 974, plugging cover 3; 975, water purifier; 10. Pipeline three; 11. Pipeline four; 12. Pipeline five; 13. Pipeline six. DETAILED DESCRIPTION

[0018] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0019] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0020] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0021] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", "provided on" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0022] See also Figure 1-Figure 8 , a protective mechanism for an epoxy zinc-rich primer paint mixing kettle, comprising a paint mixing kettle 1, a plurality of evenly distributed supporting legs 2 are fixedly connected to the bottom side of the paint mixing kettle 1, a bracket 3 and a bracket 4 are fixedly connected to the left and right side ends of the paint mixing kettle 1, a pump body 5 is installed on the upper end of the bracket 3, a pipe 6 is installed between the pump body 5 and the bottom of the paint mixing kettle 1, a gas receiving component 7 is provided on the upper end of the bracket 4, a pipe 2 8 is installed between the right bottom end of the gas receiving component 7 and the top of the paint mixing kettle 1, a spray liquid purification component 9 is movably connected to the lower end of the bracket 2 4, a pipe three 10 is installed between the spray liquid purification component 9 and the front end of the gas receiving component 7, a pipe four 11 is embedded and installed at the rear end of the spray liquid purification component 9, a pipe five 12 is installed at the rear end of the gas receiving component 7, and a pipe six 13 is inserted at the top of the gas receiving component 7.

[0023] During use of the present scheme, in order to avoid the phenomenon that harmful gases during the paint mixing reaction of the existing epoxy zinc-rich primer paint mixing kettle cause harm to workers, in the present embodiment, a gas receiving assembly 7 is installed on one side of the paint mixing kettle 1 and connected through a pipe 2 8, so that the harmful gases generated during the reaction of the epoxy zinc-rich primer paint mixing kettle can be directly discharged into the gas receiving assembly 7 through the pipe 2 8, and spray liquid is injected into the gas receiving assembly 7 through the pipe 5 12 in the box containing the chemical solution, thereby absorbing and purifying the harmful gases generated during the reaction of the epoxy zinc-rich primer paint mixing kettle, and then the clean gas is discharged to the outside through the pipe 6 13, and the sprayed particles and spray liquid enter the spray liquid purification assembly 9 through the pipe 3 10, and finally the spray liquid is purified again inside the spray liquid purification assembly 9, and then the spray liquid is input into the box containing the chemical solution through the pipe 4 11, thereby forming a closed-loop circulation mode, which greatly saves costs and also improves the protection of the health of the workers.

[0024] See also Figure 1-2 The gas receiving assembly 7 includes a gas receiving box 71 installed on the upper end of the bracket 24, a plugging cover 72 is threadedly connected to the upper end of the gas receiving box 71, a limiting plate 73 is fixedly connected to the inner wall of the gas receiving box 71, and one side of the upper end of the limiting plate 73 is set as an inclined surface, a pump body 2 74 is installed at the inner bottom end of the gas receiving box 71, and the side end of the pump body 2 74 is fixedly connected to the limiting plate 2 75, and one side of the top end of the limiting plate 2 75 is set as an inclined surface, a nozzle 76 is installed at the upper end of the pump body 2 74, and a secondary purification assembly 78 is provided between the inner walls on the top side of the gas receiving box 71.

[0025] During the use of this solution, the gas receiving box 71 inputs harmful gas into the interior through the input of the pipeline 2 8. At the same time, the personnel input the spray liquid containing the chemical solution into the pump body 2 74 through the pipeline 5 12 inserted at the rear end, and then the spray liquid is atomized by the nozzle 76 and released into the internal space of the gas receiving box 71 by the input of the pump body 2 74; During this period, the harmful gas input through the second pipe 8 passes through the blockage of the first limit plate 73 and can flow upward through the gap between the first limit plate 73 and the second limit plate 75; At this time, when the nozzle 76 atomizes and sprays the spray liquid, the dust, smoke, bacteria and other harmful substances in the gas adhere to the water droplets under the physical adsorption of the atomized spray liquid and the chemical reaction of gravity sedimentation, so that the particulate matter in the air is attached to the water droplets and settles down, thereby achieving the effect of purifying the air, wherein; ‌Physical adsorption‌: Water droplets in the spray liquid form moist tiny particles in the floating air. These water droplets have a large surface tension and can absorb particulate matter in the air, such as dust, smoke, bacteria and other harmful substances.

[0026] Gravity sedimentation: The water droplets in the spray liquid after atomization are usually less than 10 microns and are light in weight, so they will float in the air. As time goes by, these tiny water droplets will gradually sink under the action of gravity, and the particulate matter adhering to their surface will settle down together, and fall to the bottom of the gas receiving box 71 through the inclined surfaces of the limit plate 1 73 and the limit plate 2 75, and then discharge the purified spray liquid and harmful particulate matter together into the spray liquid purification component 9 below through the discharge of the pipeline 3 10.

[0027] Chemical reaction: In this embodiment, air or waste gas containing the gas to be treated is sprayed into a water tank containing a certain chemical solution through a series of nozzles, so that the gas and the liquid come into contact and chemically react, thereby achieving the purpose of purification, absorption, separation, etc. The specific process includes: Gas-liquid contact and mixing: A large amount of gas-liquid contact and mixing occurs between the gas and the liquid, so that the harmful components in the gas can be effectively captured and adsorbed by the absorption liquid.

[0028] Adjusting the absorption liquid: The type and concentration of the absorption liquid can be adjusted as needed inside the box sucked in by pipeline 5 12 to meet different gas treatment requirements.

[0029] In summary, the spray-type purification operation of the gas receiving assembly 7 can effectively remove pollutants in the air or exhaust gas through the mechanisms of physical adsorption, gravity sedimentation and chemical reaction, thereby protecting the environment and human health.

[0030] Then the purified gas and the gas with moisture attached gradually float upward, and the moisture in the gas is adsorbed by the secondary purification component 78. At the same time, the purified moist gas is further purified for a second time to prevent some of its harmful gases from being attached to the inside of the moist gas and released outward, and also to ensure the dryness of the gas after discharge.

[0031] See also Figure 1-6 The secondary purification component 78 includes an annular stand 711 fixedly connected between the inner walls of the top side of the gas receiving box 71, a base 781 is provided at the upper end of the annular stand 711, a plurality of evenly distributed air holes 782 are provided at the bottom end of the base 781, a plurality of placement cylinders 783 are fixedly connected to the upper end of the base 781, the plurality of placement cylinders 783 are respectively located on the outside of the air hole 782, and a filter component 784 is inserted between the inner walls of the placement cylinders 783.

[0032] More specifically, the filter assembly 784 includes a purification cylinder 7841 inserted inside the placement cylinder 783, a filter cotton cloth 7842 is wound around the inner wall of the purification cylinder 7841, and the upper and lower ends of the purification cylinder 7841 are threadedly connected with a plugging cover 7843, a liquid seepage hole 7844 is provided at the center end of the plugging cover 7843, and a plurality of evenly distributed air holes 7845 are provided at the bottom end of the plugging cover 7843.

[0033] More specifically: the filter cotton cloth 7842 is made of an activated carbon plate 78421, two purification nets 78422, a sponge pad 1 78423, and a sponge pad 2 78424 by folding, laminating, gluing, and winding. The two purification nets 78422 are respectively placed on the upper and lower sides of the activated carbon plate 78421, and the side ends of the activated carbon plate 78421, the two purification nets 78422, the sponge pad 1 78423, and the sponge pad 2 78424 are fixedly connected with a collection pipe 78425.

[0034] During the use of this solution, when the purified wet gas floats upward and is discharged, the gas first passes through the second air hole 7845 and passes through the purification cylinder 7841. During this period, the wet gas is adsorbed and purified by the filter cotton cloth 7842, adsorbs the humidity in the air, and purifies the bacteria for a second time. As the humidity is gradually adsorbed, the wet gas condenses into liquid and gradually seeps downward through the collection pipe 78425 arranged around the central end and the seepage hole 1 7844, so that the spray liquid can be reused, and the discharged gas can be dried at the same time. In this embodiment, the purification net 78422 is made of bionic material of plant leaves, so that the gas can absorb toxic substances in the gas when passing through, reducing the pollutant content in the air, and the activated carbon plate 78421 can absorb organic matter, odor, etc. in the gas through its porous characteristics, and can effectively remove odor and harmful substances in the air. The sponge pad 1 78423 and the sponge pad 2 78424 on both sides can absorb moisture in the humid air through the porous water storage characteristics, thereby ensuring the dryness of the air after discharge; In this embodiment, when the air passes through the secondary purification component 78, it can purify the humidity, organic matter, odor, etc. in the air again to ensure the safety of gas discharge.

[0035] See also Figure 1 and Figure 7The spray liquid purification component 9 includes a purification box 91 slidably provided between the inner walls of the top sides of the bracket 2 4, a cover plate 92 is rotatably connected to the top of the purification box 91, three groups of symmetrically distributed limit clamps 93 are fixedly connected to the left and right inner walls of the purification box 91, and a filter screen 94, a purification plate 95, and a disinfection plate 96 are respectively inserted between the inner walls of the three groups of limit clamps 93, and a plurality of purification balls 97 are also provided inside the purification box 91.

[0036] During the use of this solution, the purified spray liquid is also discharged through the pipe 3 10 and enters the purification box 91. The particles and impurities carried in the spray liquid can be first blocked by the filter 94, so as to avoid the blockage of subsequent discharge and the pollution of the chemical solution inside the box. Then, the spray liquid can be further purified by passing through the purification plate 1 95 and the disinfection plate 96, and the suspended matter inside can be condensed and precipitated, and at the same time, it can be intercepted to ensure the cleanliness of the spray liquid input into the circulation box, so as to promote its recycling. In this embodiment, the purification plate 1 95 is made of an inorganic polymer coagulant material, which is polyaluminium chloride. Through the bridging effect of hydroxide ions and the polymerization of multivalent anions, large molecular weight, high-charge floccules are formed, thereby effectively removing suspended matter in the spray liquid. The effect is better than alum, ensuring the clarity of the spray liquid. Under the action of the disinfection plate 96, pathogenic microorganisms in the water can be effectively killed, preventing the spray liquid from being contaminated and discharged synchronously.

[0037] See also Figure 1 and Figure 7-8 The purification ball 97 includes an annular bracket 971, and a plurality of uniformly distributed purification plates 972 are fixedly connected to the upper and lower sides of the annular bracket 971. The central ends of the plurality of purification plates 972 are fixedly connected to a cloth bag 973, and the interior of the cloth bag 973 is filled with a water purifier 975. The upper end of the cloth bag 973 is threadedly connected to a plugging cover 974.

[0038] More specifically, the purification plate 2 972 is a setting selected from the group consisting of a filter press filter plate and an ABS plastic filter plate.

[0039] During use of the present solution, by placing a plurality of purification balls 97 inside the purification box 91, the spray liquid can be purified and filtered again under the operation of the purification plate 2 972 when it enters. At the same time, the spray liquid passes through the cloth bags 973 and dissolves between the cloth bags 973, thereby purifying the discharged spray liquid, ensuring the cleanliness of the recycled spray and improving the purification efficiency of the spray liquid for harmful gases.

[0040] The above-described embodiments only express a certain implementation mode of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A protective mechanism for a paint mixing kettle for epoxy zinc-rich primer, comprising a paint mixing kettle (1), characterized in that: A plurality of evenly distributed supporting legs (2) are fixedly connected around the bottom side of the paint mixing kettle (1), and a bracket one (3) and a bracket two (4) are fixedly connected to the left and right sides of the paint mixing kettle (1), respectively. A pump body one (5) is installed at the upper end of the bracket one (3), and a pipe one (6) is installed between the pump body one (5) and the bottom of the paint mixing kettle (1). A gas receiving component (7) is provided at the upper end of the bracket two (4), and a pipe two (8) is installed between the right bottom end of the gas receiving component (7) and the top of the paint mixing kettle (1). A spray liquid purification component (9) is movably connected to the lower end of the bracket two (4), and a pipe three (10) is installed between the spray liquid purification component (9) and the front end of the gas receiving component (7). A pipe four (11) is embedded and installed at the rear end of the spray liquid purification component (9), a pipe five (12) is installed at the rear end of the gas receiving component (7), and a pipe six (13) is inserted at the top of the gas receiving component (7).

2. The protective mechanism of the epoxy zinc-rich primer paint mixing kettle according to claim 1 is characterized in that: The gas receiving assembly (7) comprises a gas receiving box (71) mounted on the upper end of a second bracket (4); a plugging cover (72) is threadedly connected to the upper end of the gas receiving box (71); a limiting plate (73) is fixedly connected to the inner wall of the gas receiving box (71); one side of the upper end of the limiting plate (73) is provided with an inclined surface; a pump body (74) is mounted on the inner bottom end of the gas receiving box (71); a side end of the pump body (74) is fixedly connected to a limiting plate (75); one side of the top end of the limiting plate (75) is provided with an inclined surface; a nozzle (76) is mounted on the upper end of the pump body (74); and a secondary purification assembly (78) is provided between the inner walls of the top side of the gas receiving box (71).

3. The protective mechanism of the epoxy zinc-rich primer paint mixing kettle according to claim 2 is characterized in that: The secondary purification component (78) comprises an annular stand (711) fixedly connected between the inner walls of the top side of the gas receiving box (71), a base (781) is provided at the upper end of the annular stand (711), a plurality of evenly distributed air holes (782) are provided at the bottom end of the base (781), a plurality of placement tubes (783) are fixedly connected to the upper end of the base (781), the plurality of placement tubes (783) are respectively located on the outside of the air hole (782), and a filter component (784) is inserted between the inner walls of the placement tubes (783).

4. The protective mechanism of the epoxy zinc-rich primer paint mixing kettle according to claim 3 is characterized in that: The filter assembly (784) comprises a purification cylinder (7841) inserted inside the placement cylinder (783), a filter cotton cloth (7842) is wound around the inner wall of the purification cylinder (7841), and a second plugging cover (7843) is threadedly connected at both the upper and lower ends of the purification cylinder (7841), a first liquid seepage hole (7844) is provided at the center end of the second plugging cover (7843), and a plurality of evenly distributed second air permeable holes (7845) are provided at the bottom end of the second plugging cover (7843).

5. The protective mechanism of the epoxy zinc-rich primer paint mixing kettle according to claim 4 is characterized in that: The filter cotton cloth (7842) is made by folding, laminating, gluing and winding an activated carbon plate (78421), two purification nets (78422), a first sponge pad (78423) and a second sponge pad (78424); the two purification nets (78422) are respectively placed on the upper and lower sides of the activated carbon plate (78421); and the side ends of the activated carbon plate (78421), the two purification nets (78422), the first sponge pad (78423) and the second sponge pad (78424) are fixedly connected to a collecting pipe (78425).

6. The protective mechanism of the epoxy zinc-rich primer paint mixing kettle according to claim 1 is characterized in that: The spray liquid purification assembly (9) comprises a purification box (91) slidably arranged between the inner walls of the top side of the second bracket (4); a cover plate (92) is rotatably connected to the top of the purification box (91); three groups of symmetrically distributed limit clamps (93) are fixedly connected to the left and right inner walls of the purification box (91); a filter screen (94), a purification plate (95), and a disinfection plate (96) are respectively inserted between the inner walls of the three groups of limit clamps (93); and a plurality of purification balls (97) are also arranged inside the purification box (91).

7. The protective mechanism of the epoxy zinc-rich primer paint mixing kettle according to claim 6 is characterized in that: The purification ball (97) comprises an annular support (971), and a plurality of uniformly distributed purification plates (972) are fixedly connected to the upper and lower sides of the annular support (971), and a cloth bag (973) is fixedly connected to the central ends of the plurality of purification plates (972), and the interior of the cloth bag (973) is filled with a water purifier (975), and a plugging cover (974) is threadedly connected to the upper end of the cloth bag (973).

8. The protective mechanism of the epoxy zinc-rich primer paint mixing kettle according to claim 7, characterized in that: The purification plate 2 (972) is a setting selected from the filter plate of a filter press and the filter plate of ABS plastics.

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