Automatic titration device for electrode cleaning

Abstract

The utility model discloses an automatic titration device for electrode cleaning, which relates to the technical field of liquid detection and comprises an electrode fixing frame, a lifting platform, a titration cup, a desalted water bottle, an acid solution bottle, an alkali solution bottle and a waste liquid bottle, the electrode fixing frame is used for fixing an electrode; the electrode fixing frame is arranged at the lifting end of the lifting table, and the lifting end of the lifting table is positioned right above the titration cup; the lifting end of the lifting table is connected with one end of each of a plurality of solution pipelines, the other ends of the plurality of solution pipelines are respectively communicated with a desalted water bottle, an acid solution bottle, an alkali solution bottle and a waste liquid bottle, and solution control pumps are respectively arranged on the plurality of solution pipelines. Ultrapure water is adopted for washing, dirt and residues on the surface of the electrode can be effectively removed, and the cleanliness of the electrode is improved; waste liquid is automatically pumped away and collected, so that the complexity of manual discharge and the risk of environmental pollution are reduced; the automation degree is high, and the electrode cleaning efficiency and quality are improved; the device is simple in structure, convenient to operate and suitable for experimental analysis of various scales.

Description

Technical Field

[0001] This utility model relates to the field of liquid detection technology, and in particular to an automatic titration device for electrode cleaning. Background Technology

[0002] With the development of science and technology, especially the advancements in automation and precision instrument manufacturing, new opportunities have emerged for improving traditional analytical methods. Automated titration devices allow for computer-controlled steps such as sample addition, titration, and data recording, thereby improving the accuracy and repeatability of the analytical process, reducing human error, and increasing experimental efficiency. For example, patent CN214408786U discloses a quantitative automatic potentiometric titrator with automatic cleaning function, including a worktable, a detection cell, a lifting device, a guide beam, a reference electrode, and an indicator electrode. The detection cell is placed on the worktable and has a scale. The guide beam is horizontally positioned above the detection cell. The lifting device controls the lifting and lowering of the guide beam. The reference electrode and indicator electrode are installed above the detection cell. A cleaning tank is provided next to the detection cell. A moving block is mounted on the guide beam. The reference electrode and indicator electrode are both mounted on the moving block. A left-right moving device is provided next to the guide beam, which drives the moving block to move left and right. Water spray heads are provided on both sides of the reference electrode and indicator electrode. An electromagnetic suction scraper pair is provided at the top of the cleaning tank, which can realize fully automatic scraping and cleaning, greatly improving cleaning efficiency and improving testing efficiency when frequently testing different materials.

[0003] Existing automated potentiometric titrators are suitable for cleaning reference and indicator electrodes, but not for pH composite electrodes. Therefore, there is an urgent need for an automated titration device for cleaning pH composite electrodes. Summary of the Invention

[0004] The purpose of this invention is to provide an automatic titration device for cleaning electrodes, in order to solve the problems existing in the prior art, and to clean pH composite electrodes.

[0005] To achieve the above objectives, this utility model provides the following solution:

[0006] This utility model provides an automatic titration device for electrode cleaning, including an electrode holder, a lifting platform, a titration cup, a demineralized water bottle, an acid solution bottle, an alkaline solution bottle, and a waste liquid bottle; the electrode holder is used to fix the electrode; the electrode holder is disposed on the lifting end of the lifting platform, which is located directly above the titration cup; the lifting end of the lifting platform is connected to one end of a plurality of solution pipelines, and the other ends of the plurality of solution pipelines are respectively connected to the demineralized water bottle, the acid solution bottle, the alkaline solution bottle, and the waste liquid bottle; each of the plurality of solution pipelines is provided with a solution control pump.

[0007] Optionally, a demineralized water pipeline is provided between the demineralized water bottle and the lifting platform, and a demineralized water pump is provided on the demineralized water pipeline;

[0008] And / or, a hydrochloric acid solution pipeline is provided between the acid solution bottle and the lifting platform, and an acid solution control pump is provided on the hydrochloric acid solution pipeline;

[0009] And / or, a sodium hydroxide standard solution pipeline is provided between the alkaline solution bottle and the lifting platform, and an alkaline solution control pump is provided on the sodium hydroxide standard solution pipeline;

[0010] And / or, a waste liquid discharge pipeline is provided between the waste liquid bottle and the lifting platform, and a waste liquid discharge pump is provided on the waste liquid discharge pipeline.

[0011] Optionally, the electrode, the lifting platform, the demineralized water pump, the waste liquid discharge pump, the alkaline solution control pump, and the acid solution control pump are respectively electrically connected to the main unit of the potentiometric titrator.

[0012] Optionally, the waste liquid discharge pump is a waste liquid discharge peristaltic pump.

[0013] Optionally, the electrode is a pH composite electrode.

[0014] Optionally, a rotating sample stage is provided below the lifting platform, and a plurality of titration cups are provided on the rotating sample stage.

[0015] Optionally, the rotating sample stage is electrically connected to the potentiometric titrator main unit.

[0016] Optionally, the acid solution bottle is used to hold hydrochloric acid solution.

[0017] Optionally, the alkaline solution bottle is used to hold sodium hydroxide solution.

[0018] Optionally, the desalination bottle is used to hold ultrapure water.

[0019] The present invention achieves the following technical advantages over the prior art:

[0020] This utility model relates to an automatic titration device for electrode cleaning. It uses ultrapure water rinsing, which can effectively remove dirt and residues from the electrode surface and improve the cleanliness of the electrode. The waste liquid is automatically pumped away and collected, reducing the tediousness of manual discharge and the risk of environmental pollution. It has a high degree of automation, which improves the efficiency and quality of electrode cleaning. It has a simple structure, is easy to operate, and is suitable for experimental analysis of various scales. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments 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.

[0022] Figure 1 This is a schematic diagram of the automatic titration device for electrode cleaning in this utility model.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Demineralized water bottle; 2. Acid solution bottle; 3. Alkaline solution bottle; 4. Waste liquid bottle; L1. Demineralized water pipeline; L2. Hydrochloric acid solution pipeline; L3. Sodium hydroxide solution pipeline; L4. Waste liquid discharge pipeline; T1. Potentiometric titrator main unit; T2. Rotating sample stage; T3. pH composite electrode; T4. Lifting platform; T5. Titration cup; P1. Demineralized water pump; P2. Waste liquid discharge peristaltic pump; P3. Sodium hydroxide solution control pump; P4. Hydrochloric acid solution control pump. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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.

[0026] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] like Figure 1 As shown, this embodiment provides an automatic titration device for electrode cleaning, including an electrode holder, a lifting platform T4, a titration cup T5, a desalination bottle 1, an acid solution bottle 2, an alkaline solution bottle 3, and a waste liquid bottle 4; the electrode holder is used to fix the pH composite electrode T3; the electrode holder is set on the lifting end of the lifting platform T4, which is located directly above the titration cup T5; the lifting end of the lifting platform T4 is connected to one end of multiple solution pipelines, and the other ends of the multiple solution pipelines are respectively connected to the desalination bottle 1, the acid solution bottle 2, the alkaline solution bottle 3, and the waste liquid bottle 4, and a solution control pump is provided on each of the multiple solution pipelines.

[0028] Acid solution bottle 2 is used to hold hydrochloric acid solution. Alkali solution bottle 3 is used to hold sodium hydroxide solution. Demineralized water bottle 1 is used to hold ultrapure water. The solutions from demineralized water bottle 1, acid solution bottle 2, and alkali solution bottle 3 are sprayed onto the pH composite electrode T3 via solution control pumps to rinse it. Waste liquid is pumped into waste liquid bottle 4 via solution control pumps, achieving automatic cleaning and collection of waste liquid, improving electrode cleanliness, and reducing the cumbersome manual discharge and the risk of environmental pollution.

[0029] In this specific embodiment, a demineralized water pipeline L1 is provided between the demineralized water bottle 1 and the lifting platform T4, and a demineralized water pump P1 is provided on the demineralized water pipeline L1; a hydrochloric acid solution pipeline L2 is provided between the acid solution bottle 2 and the lifting platform T4, and an acid solution control pump is provided on the hydrochloric acid solution pipeline L2; a sodium hydroxide standard solution pipeline is provided between the alkali solution bottle 3 and the lifting platform T4, and an alkali solution control pump is provided on the sodium hydroxide standard solution pipeline; a waste liquid discharge pipeline L4 is provided between the waste liquid bottle 4 and the lifting platform T4, and a waste liquid discharge peristaltic pump P2 is provided on the waste liquid discharge pipeline L4.

[0030] The pH composite electrode T3, lifting platform T4, desalination pump P1, waste liquid discharge pump, alkaline solution control pump and acid solution control pump are all electrically connected to the potentiometric titrator main unit T1.

[0031] A rotating sample stage T2 is installed below the lifting platform T4. The rotating sample stage T2 is electrically connected to the potentiometric titrator main unit T1. Multiple titration cups T5 are installed on the rotating sample stage T2, enabling automatic control titration of multiple samples.

[0032] In use, fix the pH composite electrode T3 to be cleaned on the electrode holder. Start the alkaline solution control pump and the acid solution control pump to rinse the pH composite electrode T3, and then use the demineralized water pump P1 to clean the pH composite electrode T3. At the same time, start the waste liquid discharge peristaltic pump P2 to remove the waste liquid. After rinsing is completed, automatically shut off the demineralized water pump P1, the waste liquid discharge pump, the alkaline solution control pump, and the acid solution control pump. The cleaned pH composite electrode T3 is then ready for analysis and detection.

[0033] It should be noted that, for those skilled in the art, it is obvious that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this utility model is defined by the appended claims rather than the foregoing description. Therefore, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model, and no reference numerals in the claims should be construed as limiting the scope of the claims.

[0034] This specification uses specific examples to illustrate the principles and implementation methods of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. An automatic titration device for electrode cleaning, characterized in that, It includes an electrode holder, a lifting platform, a titration cup, a deionized water bottle, an acid solution bottle, an alkaline solution bottle, and a waste liquid bottle; the electrode holder is used to fix the electrode; the electrode holder is disposed on the lifting end of the lifting platform, and the lifting end of the lifting platform is located directly above the titration cup; The lifting end of the lifting platform is connected to one end of multiple solution pipelines, and the other end of the multiple solution pipelines is connected to the demineralized water bottle, the acid solution bottle, the alkali solution bottle and the waste liquid bottle respectively. Each of the multiple solution pipelines is equipped with a solution control pump.

2. The automatic electrode cleaning titration device according to claim 1, characterized in that, A demineralized water pipeline is provided between the demineralized water bottle and the lifting platform, and a demineralized water pump is provided on the demineralized water pipeline; And / or, a hydrochloric acid solution pipeline is provided between the acid solution bottle and the lifting platform, and an acid solution control pump is provided on the hydrochloric acid solution pipeline; And / or, a sodium hydroxide standard solution pipeline is provided between the alkaline solution bottle and the lifting platform, and an alkaline solution control pump is provided on the sodium hydroxide standard solution pipeline; And / or, a waste liquid discharge pipeline is provided between the waste liquid bottle and the lifting platform, and a waste liquid discharge pump is provided on the waste liquid discharge pipeline.

3. The automatic electrode cleaning titration device according to claim 2, characterized in that, The electrode, the lifting platform, the desalination pump, the waste liquid discharge pump, the alkaline solution control pump, and the acid solution control pump are all electrically connected to the main unit of the potentiometric titrator.

4. The automatic electrode cleaning titration apparatus according to claim 2 or 3, characterized in that, The waste liquid discharge pump is a peristaltic pump for waste liquid discharge.

5. The automatic titration apparatus for electrode cleaning according to claim 1, characterized in that, The electrode is a pH composite electrode.

6. The automatic electrode cleaning titration device according to claim 1, characterized in that, A rotating sample stage is provided below the lifting platform, and multiple titration cups are provided on the rotating sample stage.

7. The automatic electrode cleaning titration apparatus according to claim 6, characterized in that, The rotating sample stage is electrically connected to the main unit of the potentiometric titrator.

8. The automatic electrode cleaning titration apparatus according to claim 1, characterized in that, The acid solution bottle is used to hold hydrochloric acid solution.

9. The automatic titration apparatus for electrode cleaning according to claim 1, characterized in that, The alkaline solution bottle is used to hold sodium hydroxide solution.

10. The automatic electrode cleaning titration apparatus according to claim 1, characterized in that, The desalination bottle is used to hold ultrapure water.

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