Pressure vessel acid and alkali resistant coating spraying device

By designing a pressure vessel acid and alkali resistant coating spraying device with a support, placement tray, spraying mechanism, rotation mechanism, and lifting mechanism, the problem of uneven coating on the inner wall of the pressure vessel was solved, and efficient and uniform spraying was achieved.

CN223683782UActive Publication Date: 2025-12-19LUOYANG HUITONG PETROCHEMICAL ENG CO LTD
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Patent Information

Application Number
CN202423148964.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-19
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

In the existing technology, the spraying efficiency of acid and alkali resistant coatings on the inner wall of pressure vessels is low and uneven, which affects the coating quality.

Method used

A pressure vessel acid and alkali resistant coating spraying device was designed, including a support, a placement tray, a spraying mechanism, a rotating mechanism, and a lifting mechanism. The rotating mechanism enables 360° spraying, and the lifting mechanism allows for height adjustment, ensuring uniform coating coverage.

Benefits of technology

It achieves uniform spraying of the inner wall of pressure vessels, improves spraying efficiency and quality, and is suitable for pressure vessels with different inner diameters.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223683782U_ABST
Patent Text Reader

Abstract

The utility model discloses an acid and alkali resistant coating spraying device for a pressure vessel. The acid and alkali resistant coating spraying device comprises a bracket, the placing disc is vertically connected with the lower end of the bracket through a connecting plate and is used for placing the pressure container; the spraying mechanism is arranged at the lower end of the second fixing disc and used for spraying acid and alkali resistant paint on the inner wall of the pressure container; the rotating mechanism is arranged at the upper end of the second fixing disc and used for controlling the spraying mechanism to rotate; the first fixed disc is arranged at the upper end of the rotating mechanism; the lifting mechanism is arranged on one side of the support, connected with the first fixing disc through a connecting rod and used for controlling height adjustment of the spraying mechanism, the spraying device for the acid and alkali resistant coating on the inner wall of the pressure container can achieve automatic spraying of the acid and alkali resistant coating on the inner wall of the pressure container, the coating spraying efficiency is improved, it is guaranteed that the coating is sprayed evenly, and the spraying efficiency is improved. And the use convenience is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of paint spraying, specifically to a pressure vessel acid and alkali resistant coating spraying device. BACKGROUND

[0002] The pressure vessel is a kind of closed equipment for containing gas or liquid, and it bears certain pressure.If the stored gas or liquid is corrosive, the inner wall of the pressure vessel needs to be coated with acid and alkali resistant coating. After the pressure vessel is coated with acid and alkali resistant coating, it can effectively prevent the corrosion of chemical substances on the pressure vessel and prolong the service life of the pressure vessel.

[0003] At present, when spraying acid and alkali resistant paint on the inner wall of the pressure vessel, manual spraying is mainly used, which not only has low efficiency, but also has uneven coating, affecting the spraying quality. SUMMARY

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a pressure vessel acid and alkali resistant coating spraying device, which can realize automatic spraying of acid and alkali resistant coating on the inner wall of the pressure vessel, improve the coating spraying efficiency, ensure uniform coating spraying, and effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a pressure vessel acid and alkali resistant coating spraying device, comprising:

[0006] A support;

[0007] A placing disc is vertically connected to the lower end of the support through a connecting plate and is used for placing the pressure vessel;

[0008] A spraying mechanism is arranged at the lower end of the second fixing disc and is used for spraying acid and alkali resistant paint on the inner wall of the pressure vessel;

[0009] A rotating mechanism is arranged at the upper end of the second fixing disc and is used for controlling the rotation of the spraying mechanism;

[0010] A first fixing disc is arranged at the upper end of the rotating mechanism;

[0011] A lifting mechanism is arranged on one side of the support and is connected to the first fixing disc through a connecting rod, and is used for adjusting the height of the spraying mechanism.

[0012] As a preferred technical scheme of the utility model, the spraying mechanism comprises a paint tank, a pump, a connecting pipe, a spray pipe and a spray head, the paint tank and the pump are both fixed at the upper end of the second fixing disc, the paint tank and the pump are connected through a pipeline, the output end of the pump is connected to the spray pipe through the connecting pipe, the spray pipe is fixed at the center position of the lower end of the second fixing disc, and one end of the spray pipe is connected to the spray head.

[0013] As a preferred technical scheme of the utility model, the spray pipe and the spray head are connected through a 90-degree elbow, the spray pipe and the spray head are connected through a connecting hose, the outer side of the spray pipe is provided with a fixing block, and an electric push rod is arranged between the fixing block and the spray head.

[0014] As a preferred technical scheme of the utility model, the rotating mechanism comprises a driving motor, a driven gear, a driving gear and a rotating shaft, the upper end of the rotating shaft is rotatably connected with the first fixed disc through a bearing, the lower end of the rotating shaft is connected with the center position of the upper end of the first fixed disc, the driven gear is sleeved on the outer side of the rotating shaft, the driving motor is fixed at the lower end of the first fixed disc, the output shaft of the driving motor is connected with the driving gear, and the driving gear is meshedly connected with the driven gear.

[0015] As a preferred technical scheme of the utility model, the lifting mechanism comprises a fixed plate, a hydraulic lifting rod, a sliding block and a sliding groove, the number of the sliding grooves is two, the two sliding grooves are arranged in parallel on one side of the support, the fixed plate is arranged below the sliding grooves, the sliding block is slidably connected in the sliding groove, the hydraulic lifting rod is arranged between the fixed plate and the sliding block, and one side of the sliding block is connected with the first fixed disc through a connecting rod.

[0016] Compared with the prior art, the pressure vessel acid and alkali resistant coating spraying device has the advantages of compact structure, reasonable design and ingenious design, the lifting mechanism can be arranged to control the spray head to move along the height direction of the pressure vessel after being inserted into the pressure vessel, the inner wall of the pressure vessel is uniformly sprayed, the rotating mechanism can be arranged to spray the coating to the inner wall of the pressure vessel at 360 degrees, the spraying efficiency is improved, and time is saved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a front view of the utility model.

[0019] In the drawing: 1 support, 2 connecting plate, 3 placing disc, 4 lifting mechanism, 41 fixed plate, 42 hydraulic lifting rod, 43 sliding block, 44 sliding groove, 5 connecting rod, 6 first fixed disc, 7 rotating mechanism, 71 driving motor, 72 driven gear, 73 driving gear, 74 rotating shaft, 8 second fixed disc, 9 spraying mechanism, 91 coating box, 92 pump, 93 connecting pipe, 94 spray pipe, 95 fixing block, 96 electric push rod, 97 spray head, 98 connecting hose. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments (for the convenience of description and understanding, the following is described with reference to the drawings in the embodiments of the utility model). Figure 2 All other embodiments obtained by the person skilled in the art based on the embodiments of the utility model without creative labor belong to the scope of protection of the utility model.

[0021] Please refer to Figures 1-2 The utility model provides a kind of technical solutions: a kind of pressure vessel acid and alkali resistant coating spraying device, including support 1, placement tray 3, spraying mechanism 9, rotating mechanism 7, first fixed disc 6 and lifting mechanism 4;

[0022] Placement tray 3 is vertically connected with the lower end of support 1 by connecting plate 2, for placing pressure vessel;

[0023] Spraying mechanism 9 includes coating tank 91, pump 92, connecting pipe 93, spray pipe 94 and spray head 97, coating tank 91 and pump 92 are all fixed at the upper end of second fixed disc 8, coating tank 91 and pump 92 are connected by pipeline, the output end of pump 92 is connected with spray pipe 94 by connecting pipe 93, spray pipe 94 is fixed at the lower end center position of second fixed disc 8, one end of spray pipe 94 is connected with spray head 97, coating tank 91 in pump 92 is hit into spray pipe 94, and is sprayed out by spray head 97, realizes that coating is sprayed in the inner wall of pressure vessel, wherein the end cover of coating tank 91 is detachable, when coating is insufficient, coating is added to coating tank 91;

[0024] Rotating mechanism 7 includes driving motor 71, driven gear 72, driving gear 73 and rotating shaft 74, the upper end of rotating shaft 74 is rotatably connected with first fixed disc 6 by bearing, the lower end of rotating shaft 74 is connected with the upper end center position of first fixed disc 6, driven gear 72 is sleeved on the outer side surface of rotating shaft 74, driving motor 71 is fixed at the lower end of first fixed disc 6, the output shaft of driving motor 71 is connected with driving gear 73, driving gear 73 is meshed with driven gear 72, driving motor 71 rotates rotating shaft 74 by driving gear 73 and driven gear 72, and then drives second fixed disc 8 to rotate 360 °, wherein rotating shaft 74 coincides with the central axis of pressure vessel, and the coating is evenly sprayed on the inside of pressure vessel along the circumference of pressure vessel inner wall;

[0025] The lifting mechanism 4 comprises a fixed plate 41, a hydraulic lifting rod 42, a sliding block 43 and two sliding grooves 44, the two sliding grooves 44 are arranged in parallel on one side of the support 1, the fixed plate 41 is arranged below the sliding grooves 44, the sliding block 43 is slidably connected in the sliding grooves 44, the hydraulic lifting rod 42 is arranged between the fixed plate 41 and the sliding block 43, the extension end of the hydraulic lifting rod 42 is connected with the sliding block 43, one side of the sliding block 43 is connected with the first fixed disc 6 through a connecting rod 5, the height of the spray head 97 is adjusted through the extension and contraction of the hydraulic lifting rod 42, and then the inner wall of the pressure container is uniformly sprayed.

[0026] In order to spray the pressure container with different inner diameters, the spray pipe 94 is connected with the spray head 97 through a 90° elbow, the spray pipe 94 is connected with the spray head 97 through a connecting hose 98, the outer side of the spray pipe 94 is provided with a fixed block 95, the fixed block 95 is arranged between the spray pipe 94 and the spray head 97, and the extension end of the electric push rod 96 is connected with the spray head 97, so that the distance between the spray head 97 and the inner wall of the pressure container is adjusted through the extension and contraction of the electric push rod 96, and the spraying effect is ensured.

[0027] In use: the pressure container is placed on the upper end of the placing disc 3, so that the pressure container coincides with the center axis of the rotating shaft 74 and the spray pipe 94, then the hydraulic lifting rod 42 is controlled to contract, the spray head 97 is inserted into the inner bottom end of the pressure container, and the spraying is performed from bottom to top, the appropriate distance between the spray head 97 and the inner wall of the pressure container is adjusted through the electric push rod 96, then the pump 92 is started to pour the acid and alkali resistant paint in the paint box into the spray pipe 94, and the paint is sprayed from the spray head 97 to the inner wall of the pressure container, at the same time, the driving motor 71 is started, the rotating shaft 74 is driven to rotate under the meshing transmission of the driving gear 73 and the driven gear 72, and then the spray head 97 is driven to move along the circumference of the pressure container, so that the paint is uniformly sprayed to the inner wall of the pressure container, and the spray head is uniformly moved upward through the extension of the hydraulic lifting rod 42, so that the pressure container inner wall is quickly sprayed.

[0028] The acid and alkali resistant paint can be uniformly sprayed to the inner wall of the pressure container, the spraying efficiency is improved, the spraying effect is good, the distance between the spray head 97 and the inner wall of the pressure container can be controlled through the electric push rod 96, the spraying operation is suitable for pressure containers with different inner diameters, and the use convenience is greatly improved.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pressure vessel acid and alkali resistant coating spraying device, characterized in that: The utility model relates to a kind of acid and alkali resistant coating spraying device for pressure vessel, including: Support (1); Placing tray (3) is vertically connected with the lower end of support (1) by connecting plate (2), for placing pressure vessel; Spraying mechanism (9) is arranged at the lower end of second fixed disc (8), for spraying acid and alkali resistant coating to the inner wall of pressure vessel; Rotary mechanism (7) is arranged at the upper end of second fixed disc (8), for controlling the rotation of spraying mechanism (9); First fixed disc (6) is arranged at the upper end of rotary mechanism (7); Lifting mechanism (4) is arranged at one side of support (1), and is connected with first fixed disc (6) by connecting rod (5), for controlling the height adjustment of spraying mechanism (9).

2. The acid and alkali resistant coating spraying device for pressure vessel according to claim 1, characterized in that: The spraying mechanism (9) includes paint tank (91), pump (92), connecting pipe (93), spray pipe (94) and spray head (97), the paint tank (91) and pump (92) are both fixed at the upper end of second fixed disc (8), the paint tank (91) and pump (92) are connected by pipeline, the output end of pump (92) is connected with spray pipe (94) by connecting pipe (93), the spray pipe (94) is fixed at the lower end center position of second fixed disc (8), one end of the spray pipe (94) is connected with the spray head (97).

3. The acid and alkali resistant coating spraying device of a pressure vessel according to claim 2, characterized in that: The spray pipe (94) and the spray head (97) are connected by 90° elbow, the spray pipe (94) and the spray head (97) are connected by connecting hose (98), the outer side of the spray pipe (94) is provided with fixed block (95), and the electric push rod (96) is arranged between the fixed block (95) and the spray head (97).

4. The acid and alkali resistant coating spraying device for pressure vessel according to claim 1, characterized in that: The rotary mechanism (7) includes drive motor (71), driven gear (72), drive gear (73) and rotating shaft (74), the upper end of the rotating shaft (74) is rotatably connected with first fixed disc (6) by bearing, the lower end of the rotating shaft (74) is connected with the upper end center position of first fixed disc (6), the driven gear (72) is sleeved on the outer side of the rotating shaft (74), the drive motor (71) is fixed at the lower end of first fixed disc (6), the output shaft of the drive motor (71) is connected with the drive gear (73), and the drive gear (73) is meshedly connected with the driven gear (72).

5. The acid and alkali resistant coating spraying device for pressure vessel according to claim 1, characterized in that: The lifting mechanism (4) includes fixed plate (41), hydraulic lifting rod (42), sliding block (43) and slide groove (44), the number of the slide groove (44) is two, two slide grooves (44) are arranged in parallel at one side of support (1), the fixed plate (41) is arranged below the slide groove (44), the sliding block (43) is slidably connected in the slide groove (44), the hydraulic lifting rod (42) is arranged between the fixed plate (41) and the sliding block (43), one side of the sliding block (43) is connected with first fixed disc (6) by connecting rod (5).