Corrosion-resistant bubble eliminator

By designing a corrosion-resistant bubble eliminator and utilizing the reciprocating rotation of the bubble separation tube and the needle mechanism, the problem of continuous defoaming in existing devices has been solved, achieving efficient defoaming of large quantities of liquid raw materials.

CN224056744UActive Publication Date: 2026-03-31SHANGHAI XINFAN TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing bubble removal devices cannot achieve continuous defoaming of large quantities of liquid raw materials, and therefore have certain limitations.

Method used

A corrosion-resistant bubble eliminator was designed, including a tank, a bubble separation tube, and a needle mechanism. Continuous defoaming is achieved by controlling the liquid outlet regulating valve through a liquid level sensor, and the defoaming efficiency is improved by utilizing the reciprocating motion and rotation of the movable plate and the needle.

Benefits of technology

It enables continuous defoaming of large quantities of liquid raw materials, improves defoaming efficiency, and is suitable for large-scale liquid processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of defoaming devices, in particular to a corrosion-resistant bubble eliminator which comprises a tank body, a liquid inlet and an exhaust port are formed in the side wall of the tank body, the exhaust port is higher than the liquid inlet and located above the liquid level in the tank body, a bubble separation pipe is further fixedly installed in the tank body and comprises a vertical part extending vertically, and the vertical part is connected with the exhaust port. The vertical part is immersed below the liquid level of the tank body, the upper end of the vertical part is connected with a horizontal part which extends transversely, and one end of the horizontal part extends to the outer side of the tank body; a pricking needle mechanism for pricking bubbles is also arranged in the tank body; a gas-liquid mixed material is injected into the tank body through the liquid inlet, after the liquid level of the liquid material in the tank body completely submerges the height of the bubble separation pipe, the liquid outlet adjusting valve on the horizontal part is opened, the liquid material continuously overflows from the bubble separation pipe along with continuous injection of the gas-liquid mixed material in the liquid inlet, and bubbles are continuously eliminated.
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Description

Technical Field

[0001] This utility model relates to the field of defoaming devices, specifically to a corrosion-resistant bubble eliminator. Background Technology

[0002] When preparing etching solution, it is necessary to eliminate air bubbles in the liquid raw materials to improve the accuracy of etching solution preparation.

[0003] Existing bubble elimination devices, such as the utility model patent with publication number CN216963648U, disclose a device for eliminating bubbles in a liquid mixing tank. The device includes a mixing tank, a conical iron block on the outside of the elimination rod, which can eliminate bubbles inside the mixing tank, a support component to support the elimination rod and ensure that the elimination rod is always located on the liquid surface inside the mixing tank, a drive component to make the elimination rod rotate with the support component, and a rotation component to make the elimination rod rotate itself, which facilitates the elimination of bubbles.

[0004] However, the aforementioned bubble elimination device can only defoam a fixed amount of liquid raw material in the mixing tank, and cannot continuously defoam a large amount of liquid raw material. It has certain limitations in use and needs to be improved. Utility Model Content

[0005] The purpose of this invention is to provide a corrosion-resistant bubble eliminator that can perform continuous defoaming operations, thereby addressing the deficiencies mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A corrosion-resistant bubble eliminator includes a tank body. The tank body has a liquid inlet and a vent on its side wall. The vent is higher than the liquid inlet and located above the liquid surface inside the tank body. A bubble separation tube is also fixedly installed inside the tank body. The bubble separation tube includes a vertically extending vertical section that is submerged below the liquid surface in the tank body. The upper end of the vertical section is connected to a horizontally extending horizontal section, one end of which extends to the outside of the tank body. The tank body also includes a puncture needle mechanism for puncturing bubbles.

[0008] As a further improvement, the bottom of the tank is provided with a drain port for discharging residual materials.

[0009] As a further improvement, a liquid level sensor is installed on the tank body; and a liquid outlet regulating valve is installed on the horizontal section.

[0010] As a further improvement, the tank body is made of PFA material.

[0011] As a further improvement, the needle mechanism includes a movable plate located above the liquid surface inside the tank. Several needles for piercing bubbles floating on the liquid surface inside the tank are fixedly installed at the bottom of the movable plate. The movable plate is driven to move vertically reciprocatingly by a telescopic mechanism.

[0012] As a further improvement, the needle includes a long needle and a short needle, the long needle and the short needle being of different lengths and evenly spaced apart.

[0013] As a further improvement, the telescopic mechanism includes a cylinder fixedly mounted on the top of the tank, the piston rod of the cylinder extending downward and into the tank, and the movable plate being rotatably mounted on the piston rod.

[0014] As a further improvement, a torsion spring is connected between the piston rod and the movable plate. When the movable plate rotates around the axis of the piston rod, it causes the torsion spring to twist. A support plate is fixedly installed on the inner wall of the tank. The support plate is arc-shaped and coaxial with the piston rod. The top of the support plate is provided with a spiral support surface. A guide wheel matching the support surface is installed on the movable plate. The support surface supports the bottom of the guide wheel. When the movable plate moves down, the support surface acts on the guide wheel and drives the movable plate to rotate.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. In this application, a gas-liquid mixture is injected into the tank through the inlet. When the liquid level in the tank completely covers the height of the bubble separator, the outlet regulating valve on the horizontal part is opened. As the gas-liquid mixture is continuously injected into the inlet, the liquid material overflows from the bubble separator continuously, thereby achieving continuous bubble elimination.

[0017] 2. This application uses the extension and retraction of the cylinder to drive the movable plate to move up and down reciprocally. In turn, the movable plate drives the needle to efficiently puncture the air bubbles floating on the liquid surface in the tank. At the same time as the movable plate moves up and down reciprocally, the spiral support surface at the top of the support plate drives the movable plate to rotate back and forth, which can effectively increase the range of the needle to puncture the air bubbles and further improve the defoaming efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model;

[0020] Figure 2 yes Figure 1 A cross-sectional view;

[0021] Figure 3 This is a schematic diagram of the structure of the support plate according to an embodiment of the present utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the movable plate in an embodiment of this utility model.

[0023] In the diagram: 1-Tank body; 2-Liquid inlet; 3-Exhaust outlet; 4-Bubble separator; 5-Vertical part; 6-Horizontal part; 7-Liquid level sensor; 8-Drain outlet; 9-Moving plate; 10-Needle; 101-Long needle; 102-Short needle; 11-Cylinder; 12-Piston rod; 13-Torsion spring; 14-First mounting bracket; 15-Second mounting bracket; 16-Support plate; 17-Support surface; 18-Vertical plate; 19-Guide wheel. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.

[0025] like Figures 1 to 4 As shown, the corrosion-resistant bubble eliminator includes a cylindrical tank 1. The side wall of the tank 1 is provided with a liquid inlet 2 and a vent 3. The vent 3 is higher than the liquid inlet 2 and is located above the liquid surface inside the tank 1. A bubble separation tube 4 is also fixedly installed inside the tank 1. The bubble separation tube 4 includes a vertically extending vertical part 5, which is submerged below the liquid surface of the tank 1. The upper end of the vertical part 5 is connected to a horizontally extending horizontal part 6. One end of the horizontal part 6 extends to the outside of the tank 1. The horizontal part 6 is fixed to the side wall of the tank 1 by welding. The tank 1 is also provided with a puncture needle mechanism for puncturing bubbles.

[0026] A liquid level sensor 7 is installed on the tank body 1; a liquid outlet regulating valve is installed on the horizontal part 6.

[0027] In use, first close the outlet regulating valve on the horizontal section 6, and inject the gas-liquid mixture into the tank 1 through the inlet 2. The liquid material settles at the bottom of the tank 1 under gravity, while the gaseous material floats upwards on the surface of the liquid, forming bubbles, or is directly discharged from the outlet 3. When the level sensor 7 detects that the liquid level in the tank 1 has reached a predetermined height (the height where the liquid level completely submerges the bubble separator 4), the outlet regulating valve on the horizontal section 6 is opened. Subsequently, the liquid material in the tank 1 overflows sequentially through the vertical section 5 and the horizontal section 6 of the bubble separator 4. The level sensor 7 and the outlet regulating valve on the horizontal section 6 are linked. As the gas-liquid mixture is continuously injected into the inlet 2, the opening of the outlet regulating valve is dynamically adjusted according to the liquid level in the tank 1, maintaining the liquid level in the tank 1 within a stable range. This allows the liquid material to be continuously discharged from the bubble separator 4, achieving continuous bubble elimination.

[0028] The bottom of the tank 1 is provided with a drain port 8 for discharging residual materials, which facilitates emptying the tank 1.

[0029] Tank 1 is made of PFA material, which has the characteristics of high temperature resistance and corrosion resistance.

[0030] like Figure 3 and Figure 4 As shown, the needle-piercing mechanism includes a movable plate 9 located above the liquid surface inside the tank 1. Several needles 10 are welded to the bottom of the movable plate 9 for piercing bubbles floating on the liquid surface inside the tank 1. The movable plate 9 is driven to move vertically reciprocally by a telescopic mechanism. The telescopic mechanism includes a cylinder 11 fixed to the top of the tank 1 by bolts. The piston rod 12 of the cylinder 11 extends downwards and into the tank 1, coaxially with the tank 1. The movable plate 9 is rotatably mounted on the lower end of the piston rod 12 via bearings. The telescopic movement of the cylinder 11 drives the movable plate 9 to move up and down reciprocally, thereby causing the movable plate 9 to drive the needles 10 to efficiently pierce the bubbles floating on the liquid surface inside the tank 1, improving defoaming efficiency.

[0031] The piercing needle 10 includes a long piercing needle 101 and a short piercing needle 102. The long piercing needle 101 and the short piercing needle 102 are of different lengths and are evenly spaced. By setting long piercing needles 101 and short piercing needles 102 of different lengths, bubbles located at different liquid levels can be pierced efficiently.

[0032] A torsion spring 13 is connected between the piston rod 12 and the movable plate 9. The torsion spring 13 is sleeved on the piston rod 12. A first retainer 14 is fixedly installed on the top of the movable plate 9 by screws. An mounting plate is fixedly installed on the piston rod 12 above the movable plate 9 by screws. A second retainer 15 is fixedly installed on the bottom of the mounting plate by screws. The two ends of the torsion spring 13 are respectively engaged with the first retainer 14 and the second retainer 15. When the movable plate 9 rotates around the axis of the piston rod 12, it drives the torsion spring 13 to twist and produce elastic deformation.

[0033] The tank body 1 is provided with a support plate 16 inside. The support plate 16 is arc-shaped and coaxial with the piston rod 12. Multiple support plates 16 are evenly spaced around the circumference of the tank body 1. The lower end of the support plate 16 is welded with a horizontally arranged mounting part, which is welded to the inner wall of the tank body 1. The top of the support plate 16 is provided with a spiral support surface 17. The top of the movable plate 9 is fixed with vertical plates 18 that correspond one-to-one with the support plate 16 by bolts. The vertical plates 18 are bolted with guide wheels 19 that match the support surface 17. The support surface 17 is supported on the bottom of the corresponding guide wheel 19. When the movable plate 9 moves down, the support surface 17 acts on the guide wheel 19 and drives the movable plate 9 to rotate.

[0034] Specifically, when the cylinder 11 extends and moves the movable plate 9 downward, the spiral support surface 17 acts on the guide wheel 19 and drives the movable plate 9 to rotate counterclockwise. When the movable plate 9 rotates counterclockwise, the torsion spring 13 is wound up. When the cylinder 11 retracts and moves the movable plate 9 upward, the torsion spring 13 is released and drives the movable plate 9 to rotate clockwise. Thus, while the movable plate 9 moves up and down, it rotates clockwise and counterclockwise, which can effectively increase the range of action of the needle 10 to puncture the bubbles and further improve the defoaming efficiency.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A corrosion resistant bubble eliminator characterized by: The application relates to a liquid tank, which comprises a tank body, a liquid inlet and an exhaust port arranged on the sidewall of the tank body, wherein the exhaust port is higher than the liquid inlet and is located above the liquid level in the tank body; a bubble separation tube is fixedly arranged in the tank body, the bubble separation tube comprises a vertical part extending vertically, the vertical part is immersed below the liquid level in the tank body, the upper end of the vertical part is connected with a horizontal part extending horizontally, and one end of the horizontal part extends to the outside of the tank body; and a needle mechanism for pricking bubbles is arranged in the tank body.

2. The corrosion-resistant bubble eliminator of claim 1, wherein: The bottom of the tank body is provided with a liquid discharge port for discharging residual materials.

3. The corrosion-resistant bubble eliminator of claim 1, wherein: A liquid level sensor is arranged on the tank body; and a liquid outlet adjusting valve is arranged on the horizontal part.

4. The corrosion-resistant bubble eliminator of claim 1, wherein: The tank body is made of PFA material.

5. The corrosion-resistant bubble eliminator of claim 1, wherein: The needle mechanism comprises a movable plate located above the liquid level in the tank body, the bottom of the movable plate is fixedly provided with a plurality of needles for pricking bubbles floating on the liquid level in the tank body, and the movable plate is driven to vertically reciprocate by a telescopic mechanism.

6. The corrosion-resistant bubble eliminator of claim 5, wherein: The needles comprise long needles and short needles, the long needles and the short needles are different in length, and the long needles and the short needles are uniformly and spacedly arranged.

7. The corrosion-resistant bubble eliminator of claim 5, wherein: The telescopic mechanism comprises a gas cylinder fixedly arranged on the top of the tank body, the piston rod of the gas cylinder extends downward and into the tank body, and the movable plate is rotatably arranged on the piston rod.

8. The corrosion-resistant bubble eliminator of claim 7, wherein: A torsion spring is connected between the piston rod and the movable plate, the movable plate drives the torsion spring to twist when rotating around the axis of the piston rod; a support plate is fixedly arranged on the inner wall of the tank body, the support plate is arranged in an arc shape coaxially with the piston rod, the top of the support plate is provided with a helical support surface, a guide wheel matched with the support surface is arranged on the movable plate, the support surface supports the bottom of the guide wheel, and the support surface acts on the guide wheel and drives the movable plate to rotate when the movable plate moves downward.

Citation Information

Patent Citations

  • Device for eliminating bubbles in liquid in liquid preparation tank

    CN216963648U