Reaction tank for detecting concentration of tank liquid in real time

Abstract

The utility model discloses a reaction tank for detecting tank liquid concentration in real time, which comprises a tank body, at least one near-infrared induction probe is arranged on the side wall of the tank body, and the near-infrared induction probe is in communication connection with an infrared host and is used for detecting the tank liquid concentration in the tank body; a circulating pipeline is arranged in the tank body and is used for circulating flowing of tank liquid and adjusting the concentration of the tank liquid in the tank body. According to the invention, the near-infrared induction probe is matched with the infrared host, so that the current bath solution concentration value can be measured and transmitted in real time; and by matching with a circulating pipeline, the tank liquid can circularly flow, the concentration of the tank liquid in the tank body is adjusted to be consistent, the optimal reaction concentration is kept, the reaction efficiency is improved, and the finished product quality is improved.

Description

Technical Field

[0001] This application relates to a reaction tank, and more particularly to a reaction tank for real-time detection of the concentration of the tank solution. Background Technology

[0002] Chemical reaction tanks are widely used in industry, including electroplating, chemical polishing, and washing processes. Taking chemical polishing as an example, chemical polishing achieves surface etching and leveling of workpieces through chemical etching in a specific solution. The concentration of the chemical polishing tank solution is one of the important factors affecting the surface texture and gloss of the material.

[0003] The traditional technique for analyzing the concentration of the bath solution is acid-base titration. However, acid-base titration is time-consuming and requires sampling every four hours, making it impossible to monitor the bath solution concentration in real time. In addition, the concentration of the bath solution varies at different depths within the chemical polishing tank, which means that the samples taken by acid-base titration cannot accurately measure the concentration of the bath solution. This results in different reaction efficiencies of the workpiece at different depths, affecting the quality of the finished product. Utility Model Content

[0004] This invention discloses a reaction tank for real-time detection of tank solution concentration, which solves the problems of poor timeliness and reliability of existing tank solution concentration data, which affect the quality of finished products.

[0005] A reaction tank for real-time detection of tank solution concentration includes a tank body, and at least one near-infrared sensing probe is provided on the side wall of the tank body. The near-infrared sensing probe is communicatively connected to an infrared host and is used to detect the concentration of tank solution in the tank body.

[0006] The tank is equipped with a circulation pipeline for circulating the tank solution and adjusting the concentration of the solution within the tank.

[0007] In this application, a near-infrared sensor probe is used in conjunction with an infrared host to measure and transmit the current concentration value of the tank solution in real time; and in conjunction with the circulation pipeline, the tank solution can be circulated, the concentration of the tank solution can be adjusted to be consistent, the optimal reaction concentration can be maintained, the reaction efficiency can be improved, and the quality of the finished product can be enhanced.

[0008] Several alternative methods are provided below, but they are not intended as additional limitations on the overall solution above. They are merely further additions or optimizations. Provided there are no technical or logical contradictions, each alternative method can be combined individually with respect to the overall solution above, or multiple alternative methods can be combined with each other.

[0009] Optionally, the infrared host includes an infrared light source emitter, a spectrometer, and a multiplexer; the spectrometer is used to perform photoelectric signal conversion and output a detection signal; the multiplexer is matched with multiple near-infrared sensing probes.

[0010] Optionally, the number of near-infrared sensing probes is two, and they are respectively located at the bottom and middle of the tank body in the direction of the tank liquid depth.

[0011] Optionally, the number of near-infrared sensing probes is three, and they are respectively located at the bottom, middle and mouth of the tank body relative to the depth of the tank liquid.

[0012] Optionally, the circulation pipeline includes an inlet pipeline, one end of which is connected to the inside of the tank, and the other end is connected to an external inlet pump for injecting tank liquid into the tank.

[0013] Optionally, the liquid inlet pipe extends partially to the bottom of the tank, and a liquid outlet is provided at the bottom of the tank.

[0014] Optionally, the portion of the liquid inlet pipe located within the tank has several branch pipes laid horizontally along the bottom of the tank, and the number of tank liquid outlets is several and distributed on each branch pipe.

[0015] Optionally, the circulation pipeline includes a heating pipeline, and the number of heating pipelines is at least one. The heating pipeline includes a first pipeline extending from the opening of the tank to the bottom of the tank, a second pipeline extending from the bottom of the tank to the opening of the tank, and a third pipeline connecting the first pipeline and the second pipeline. The first pipeline is arranged along one side of the tank wall, the second pipeline is arranged on the tank wall opposite to the first pipeline, and the third pipeline extends along the bottom of the tank.

[0016] Optionally, the heating pipe is provided with several air outlets.

[0017] The beneficial effects of this application are as follows:

[0018] 1. This application sets up multiple near-infrared sensing probes to detect the concentration of the bath solution at different depths, which can obtain the concentration value of the bath solution in real time, which is beneficial for monitoring the concentration of the bath solution.

[0019] 2. This application includes a circulation pipeline that can be used to circulate the solution to bring the solution concentration to the predetermined range when the concentration of the solution from the near-infrared sensor to the tank is inconsistent with the predetermined range or when the concentration difference between the solutions at different depths is greater than the preset value. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of an embodiment of this application;

[0021] Figure 2 This is a partial structural diagram of an embodiment of this application;

[0022] Figure 3 This is a partial structural diagram of an embodiment of this application;

[0023] Figure 4 This is a partial structural diagram of an embodiment of this application.

[0024] The annotations in the figure are explained as follows:

[0025] 1. Tank body; 2. Near-infrared sensor; 4. Infrared host; 3. Circulation pipeline; 31. Liquid inlet pipeline; 311. Tank liquid outlet; 312. Branch pipeline; 32. Heating pipeline; 321. First pipeline; 322. Second pipeline; 323. Third pipeline; 324. Air outlet. Detailed Implementation

[0026] 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.

[0027] It should be noted that when a component is said to be "connected" to another component, it can be directly connected to the other component or it can be connected to a component in between. When a component is said to be "set on" another component, it can be directly set on the other component or it may be set to a component in between.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0029] refer to Figures 1 to 4 In one embodiment of this application, a reaction tank for real-time detection of tank solution concentration is disclosed, including a tank body 1. At least one near-infrared sensor 2 is provided on the side wall of the tank body 1. The near-infrared sensor 2 is communicatively connected to an infrared host 4 and is used to detect the concentration of the tank solution in the tank body 1. The tank body 1 is equipped with a circulation pipeline 3, which is used for the circulation flow of the tank solution to adjust the concentration of the tank solution in the tank body 1.

[0030] Among them, the near-infrared sensor 2 can emit and receive infrared light, and together with the infrared host 4, it is used to check the concentration of the tank solution. It can quickly obtain the current concentration value of the tank solution and has the advantage of high timeliness.

[0031] When the concentration of the tank solution detected by the near-infrared sensor 2 does not meet the preset range, the concentration of the tank solution in the tank 1 can be brought up to the preset range by injecting a high-concentration tank solution from the outside and circulating the tank solution in the tank 1 through the circulation pipeline 3.

[0032] Furthermore, the infrared host 4 includes an infrared light source emitter, a spectrometer, and a multiplexer.

[0033] The spectrometer is used to convert photoelectric signals and output detection signals; the multiplexer matches multiple near-infrared sensing probes 2, thereby installing multiple near-infrared sensing probes 2 at different positions in the tank 1 to detect the concentration of the tank liquid at different depths.

[0034] To address the issue of inconsistent surface reaction levels on workpieces due to varying bath solution concentrations at different depths, in some embodiments, two near-infrared sensing probes 2 are used, respectively positioned at the bottom and middle of the tank 1 relative to the bath solution depth.

[0035] When the difference between the concentration values ​​obtained by the near-infrared sensor 2 located at the bottom and middle of the tank liquid depth direction is greater than the rated value, the tank liquid in the tank 1 can be circulated through the circulation pipeline 3 to maintain the consistency of the overall concentration of the tank liquid in the tank 1.

[0036] Furthermore, there are three near-infrared sensing probes 2, which are respectively located at the bottom, middle and mouth of the tank body 1 in the direction of the depth of the tank liquid.

[0037] refer to Figure 2 In some embodiments, the circulation line 3 includes an inlet line 31 and a heating line 32.

[0038] The liquid inlet pipe 31 is used to inject liquid into the tank 1. One end of the liquid inlet pipe 31 is connected to the inside of the tank 1, and the other end is connected to an external liquid inlet pump (not shown in the figure) to inject liquid into the tank 1.

[0039] Furthermore, a pipeline (not shown in the figure) is installed at the upper end of the tank 1 to remove the foam from the tank liquid at the opening of the tank 1.

[0040] Furthermore, the liquid inlet pipe 31 is a pipe located inside the tank 1, extending partially to the bottom of the tank 1, and a tank liquid outlet 311 is provided at the bottom of the corresponding tank 1. The tank liquid outlet 311 is used for external high-concentration tank liquid injection. By injecting high-concentration tank liquid from the bottom of the tank, combined with the above embodiment, low-concentration tank liquid and foam are drawn away from the opening of the tank 1, a better circulation effect is obtained.

[0041] Furthermore, the inlet pipe 31, located within the tank 1, has several branch pipes 312 laid horizontally along the bottom of the tank 1, and several tank liquid outlets 311 distributed along each branch pipe 312. This allows the high-concentration tank liquid to be fully mixed with the existing tank liquid after entering the tank 1, improving mixing efficiency.

[0042] refer to Figure 3 and Figure 4 The heating pipe 32 includes a first pipe 321 extending from the opening of the tank 1 to the bottom of the tank 1, a second pipe 322 extending from the bottom of the tank 1 to the opening of the tank 1, and a third pipe 323 connecting the first pipe 321 and the second pipe 322. The first pipe 321 is arranged along one side of the tank wall of the tank 1, the second pipe 322 is arranged on the tank wall opposite to the first pipe 321, and the third pipe 323 extends along the bottom of the tank 1. This structure, on the one hand, avoids interference with the workpiece; on the other hand, it ensures that the heating pipe 32 is in full contact with the tank liquid, and the partial location of the heating pipe 32 at the bottom of the tank 1 facilitates the circulation of the tank liquid through thermal circulation.

[0043] Heating pipe 32 is used to heat the tank liquid, thereby improving the mixing efficiency between the high-concentration tank liquid and the original tank liquid in tank 1 after injection.

[0044] Furthermore, the number of heating pipes 32 is at least one.

[0045] In some embodiments, the heating pipe 32 is provided with a plurality of vent holes 324, through which hot air (e.g., water vapor) is released into the tank liquid to heat the liquid. As the hot air floats upward in the tank liquid, it further promotes the circulation of the liquid.

[0046] In conjunction with the above embodiments, this application also discloses an implementation of a reaction tank, including: real-time detection of the tank liquid in the tank 1 by means of near-infrared sensing probes 2 located at the top, middle and bottom of the tank body 1 in the height direction.

[0047] When the concentration of the tank solution is lower than the preset range, a high-concentration tank solution is injected into the tank 1 through the inlet pipe 31, and under the action of the heating pipe 32, the high-concentration tank solution is accelerated to mix with the original tank solution.

[0048] When the difference in concentration values ​​detected by the two near-infrared sensor probes 2 is greater than a predetermined value, the heating pipe 32 will cause the tank liquid in the tank 1 to circulate until the concentration of the tank liquid at different heights reaches the same value.

[0049] The technical features of the embodiments described above can be combined arbitrarily. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as the combination of these technical features does not contradict each other, it should be considered to be within the scope of this specification. When technical features of different embodiments are embodied in the same drawing, it can be regarded as the drawing also disclosing examples of combinations of the various embodiments involved.

[0050] The embodiments described above are merely examples of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these modifications and improvements all fall within the protection scope of this application.

Claims

1. A reaction tank for real-time detection of tank solution concentration, characterized in that, Includes a tank (1), on which at least one near-infrared sensing probe (2) is provided. The near-infrared sensing probe (2) is connected to an infrared host (4) for detecting the concentration of the liquid in the tank (1). The tank (1) is equipped with a circulation pipe (3), which is used for circulating the tank liquid and adjusting the concentration of the tank liquid in the tank (1).

2. The reaction tank for real-time detection of tank solution concentration according to claim 1, characterized in that, The infrared host (4) includes an infrared light source emitter, a spectrometer, and a multiplexer; the spectrometer is used to perform photoelectric signal conversion and output detection signals; the multiplexer is matched with multiple near-infrared sensing probes (2).

3. A reaction tank for real-time detection of tank solution concentration according to claim 2, characterized in that, The number of near-infrared sensing probes (2) is two, and they are respectively set at the bottom and middle of the tank (1) in the direction of the depth of the tank liquid.

4. A reaction tank for real-time detection of tank solution concentration according to claim 2, characterized in that, The number of near-infrared sensing probes (2) is three, and they are respectively set at the bottom, middle and mouth of the tank (1) in the direction of the depth of the tank liquid.

5. A reaction tank for real-time detection of tank solution concentration according to claim 1, characterized in that, The circulation pipeline (3) includes an inlet pipeline (31), one end of which is connected to the inside of the tank (1), and the other end is connected to an external inlet pump for injecting tank liquid into the tank (1).

6. A reaction tank for real-time detection of tank solution concentration according to claim 5, characterized in that, The liquid inlet pipe (31) extends partially to the bottom of the tank (1) and a liquid outlet (311) is provided at the bottom of the tank (1).

7. A reaction tank for real-time detection of tank solution concentration according to claim 6, characterized in that, The portion of the liquid inlet pipe (31) located inside the tank (1) has several branch pipes (312) laid horizontally along the bottom of the tank (1), and the number of tank liquid outlets (311) is several and distributed on each branch pipe (312).

8. A reaction tank for real-time detection of tank solution concentration according to claim 5, characterized in that, The circulation pipeline (3) includes a heating pipeline (32), and the number of heating pipelines (32) is at least one. The heating pipeline (32) includes a first pipeline (321) extending from the opening of the tank (1) to the bottom of the tank (1), a second pipeline (322) extending from the bottom of the tank (1) to the opening of the tank (1), and a third pipeline (323) connecting the first pipeline (321) and the second pipeline (322). The first pipeline (321) is arranged along the tank wall on one side of the tank (1), the second pipeline (322) is arranged on the tank wall opposite to the first pipeline (321), and the third pipeline (323) extends along the bottom of the tank (1).

9. A reaction tank for real-time detection of tank solution concentration according to claim 8, characterized in that, The heating pipe (32) has several air outlets (324) evenly distributed on it.

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