Electrode probe protective sleeve for PH meter and PH meter comprising same

Abstract

The utility model relates to an electrode probe protective sleeve for a PH meter and the PH meter comprising the protective sleeve. The PH meter is provided with two ends, one end of an electrode probe used for detecting PH parameters extends into a to-be-detected medium in the pipeline, the axial direction of the pipeline containing the to-be-detected medium is the X direction, the axial direction of the installation base is the Y direction, the PH meter is arranged in the axial direction of the installation base, and an electrode probe protection sleeve used for the PH meter is fixedly arranged at the end, close to the PH meter electrode probe, of the installation base. The electrode probe protection sleeve is cylindrical and sleeves the outer side of the PH meter electrode probe, the axial direction of the electrode probe protection sleeve is consistent with the PH meter and the mounting base, the electrode probe protection sleeve is provided with an opening, the opening comprises an opening in the Z direction perpendicular to the X direction and the Y direction, and the opening direction in the Z direction is perpendicular to the flowing direction of a medium to be measured. According to the electrode probe protecting sleeve for the PH meter, the electrode probe of the PH meter can be prevented from being damaged, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of online chemical instrument pH meters, in particular to an electrode probe protective cover for a pH meter and a pH meter comprising the protective cover. Background Art

[0002] Online chemical instrument pH meters are widely used in chemical water systems, desulfurization absorption tower systems, desulfurization wastewater systems, etc. in thermal power plants. Online chemical instrument pH meters can be used to monitor the water in each system in real time, thereby reducing the corrosion of various metal pipes in the boiler and increasing the service life of the boiler. In addition, the use of online chemical instrument pH meters in desulfurization absorption tower systems and desulfurization wastewater systems can monitor and control pH parameters in real time, and operators can adjust the slurry supply in time, thereby improving the SO2 removal efficiency, reducing SO2 emissions, and reducing pollutant emissions, providing technical support for realizing the beautiful vision of clear water and blue sky.

[0003] At present, when conventional online pH meters measure the pH value of water samples or slurries, the glass detection element of the online pH meter electrode is directly and completely exposed to the liquid for measurement. Especially in the desulfurization tower area, it is very easy to be damaged by the impact of particles (such as sand) or high-pressure water impact, resulting in distortion of pH parameter measurement, greatly shortening the service life of the pH electrode, frequent failures, and significantly increasing equipment costs. At the same time, due to inaccurate pH parameter measurement, it may cause aggravated corrosion of the metal pipes of the boiler, and may also affect the SO2 removal efficiency, resulting in increased or exceeded pollutant emissions.

[0004] Therefore, there is an urgent need for a technology that can not only protect the pH meter electrodes, but also ensure the accurate measurement of the pH meter parameters, thereby achieving control of the absorption tower slurry supply and SO2 removal efficiency. Summary of the invention

[0005] The technical problem to be solved by the utility model is that due to the large amount of particulate matter in the slurry of the desulfurization absorption tower, the complex slurry working conditions, the high flushing water pressure, the pH meter electrode is completely exposed to the slurry, and is directly impacted by the particulate matter in the slurry and the high-pressure water. The glass detection element of the pH meter electrode is easily damaged, resulting in inaccurate measurement of the pH parameters, affecting the adjustment of the slurry supply amount of the absorption tower and the control of the SO2 removal efficiency.

[0006] To solve the above technical problems, according to one aspect of the utility model, an electrode probe protective cover for a pH meter is provided, the pH meter is used to monitor and control the pH parameters of a medium to be measured in real time, the pH meter is installed on the side wall of a pipe containing a medium to be measured with a pH parameter through a mounting base, wherein the axial direction of the pipe containing the medium to be measured is the X direction, the axial direction of the mounting base is the Y direction, the pH meter is arranged according to the axial direction of the mounting base, the pH meter has two ends, wherein one end of an electrode probe for detecting pH parameters extends into the medium to be measured in the pipe, the mounting base has two ends, wherein an electrode probe protective cover for the pH meter is fixedly arranged at one end close to the electrode probe of the pH meter, the electrode probe protective cover is cylindrical, and is sleeved on the outside of the electrode probe of the pH meter, the axial direction of the electrode probe protective cover is consistent with the pH meter and the mounting base, wherein the electrode probe protective cover has an opening, and the opening includes: an opening in the Z direction perpendicular to X and Y, and the opening direction in the Z direction is perpendicular to the flow direction of the medium to be measured.

[0007] According to an embodiment of the utility model, the electrode probe protective cover may have multiple openings.

[0008] According to an embodiment of the utility model, the opening of the electrode probe protective cover may further include an opening in the Y direction, that is, the opening is provided at the end of the electrode probe protective cover close to the electrode probe of the pH meter.

[0009] According to an embodiment of the utility model, the opening of the electrode probe protective cover in the Z direction may be elliptical.

[0010] According to the embodiment of the utility model, the axial length of the electrode probe protective sleeve may be slightly greater than the depth of the pH electrode immersed in the medium.

[0011] According to the embodiment of the utility model, the material of the electrode probe protective cover can be a corrosion-resistant and easily plastic material.

[0012] According to an embodiment of the utility model, the material of the electrode probe protective cover may be polytetrafluoroethylene.

[0013] According to an embodiment of the present invention, the thickness of the electrode probe protective cover may be 1 mm to 5 mm.

[0014] According to an embodiment of the present invention, the thickness of the electrode probe protective cover may be 2 mm to 3 mm.

[0015] According to another aspect of the utility model, a pH meter is provided, comprising: a pH meter body, the pH meter is used to monitor and control the pH parameters of a medium to be measured in real time; an electrode probe protective cover, the electrode probe protective cover is the above-mentioned electrode probe protective cover for the pH meter; a mounting base, the pH meter is installed on the side wall of a pipeline containing a medium with pH parameters to be measured through the mounting base, wherein the pipeline containing the medium to be measured has an axial direction of an X direction, and an axial direction of the mounting base is a Y direction, the pH meter is arranged according to the axial direction of the mounting base, the pH meter has two ends, wherein one end of the electrode probe for detecting the pH parameter extends into the medium to be measured in the pipeline, the mounting base has two ends, and an electrode probe protective cover for the pH meter is fixedly arranged near one end of the electrode probe of the pH meter, wherein the electrode probe protective cover has an opening, and the opening comprises: an opening in the Z direction perpendicular to X and Y, and the opening direction in the Z direction is perpendicular to the flow direction of the medium to be measured, thereby preventing the pH meter electrode probe from being damaged and not affecting the accuracy of the pH meter.

[0016] Compared with the prior art, the technical solution provided by the embodiment of the utility model can at least achieve the following beneficial effects:

[0017] The electrode probe protective cover for the pH meter provided by the utility model realizes accurate protection of the electrode detection element of the online chemical instrument pH meter, the pH meter measurement is not affected in any way, the use environment of the pH meter electrode element is improved, the service life is greatly increased, and the cost is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings in the following description only relate to some embodiments of the present utility model, rather than limiting the present utility model.

[0019] Figure 1 Schematic diagram showing an electrode probe protective cover for a pH meter according to an embodiment of the utility model;

[0020] Figure 2 1 is a diagram showing a use state of an electrode probe protective cover for a pH meter according to an embodiment of the utility model;

[0021] Figure 3 This is a schematic diagram of the pH meter installed on the pipeline;

[0022] Figure 4 yes Figure 3 A schematic diagram of a pH meter equipped with an electrode probe protective cover for a pH meter according to an embodiment of the utility model. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Unless otherwise defined, the technical or scientific terms used herein shall have the common meanings understood by persons with ordinary skills in the field to which the utility model belongs. The words "first", "second" and similar words used in the patent application specification and claims of the utility model do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "a" do not indicate a quantity limitation, but indicate the existence of at least one.

[0025] Figure 1 Schematic diagram showing an electrode probe protective cover for a pH meter according to an embodiment of the utility model; Figure 2 1 is a diagram showing a use state of an electrode probe protective cover for a pH meter according to an embodiment of the utility model; Figure 3 This is a schematic diagram of the pH meter installed on the pipeline; Figure 4 yes Figure 3 A schematic diagram of a pH meter equipped with an electrode probe protective cover for a pH meter according to an embodiment of the utility model.

[0026] The pH meter is used to monitor and control the pH parameters of the medium to be tested in real time, such as Figures 1 to 4 As shown, the pH meter 2 is installed on the side wall of the pipe 4 containing the medium to be measured with the pH parameter through the mounting base 3, wherein the axial direction of the pipe 4 containing the medium to be measured is the X direction, and the axial direction of the mounting base 3 is the Y direction. The pH meter 2 is arranged according to the axial direction of the mounting base 3, and the pH meter 2 has two ends, wherein one end of the electrode probe 21 for detecting the pH parameter extends into the medium to be measured in the pipe 4.

[0027] The mounting base 3 has two ends, wherein the end close to the electrode probe 21 of the pH meter 2 is fixedly provided with an electrode probe protective cover 1 for the pH meter 2. The electrode probe protective cover 1 is cylindrical and is sleeved on the outside of the electrode probe 21 of the pH meter 2. The axial direction of the electrode probe protective cover 1 is consistent with the pH meter 2 and the mounting base 3.

[0028] The electrode probe protective cover 1 has an opening 11, and the opening 11 includes: an opening 11 in the Z direction perpendicular to X and Y, and the direction of the opening 11 in the Z direction is perpendicular to the flow direction of the medium to be measured.

[0029] According to one or some embodiments of the present invention, the electrode probe protective cover 1 has a plurality of openings 11 .

[0030] According to one or some embodiments of the present invention, the opening 11 of the electrode probe protective cover 1 further includes an opening 11 in the Y direction, that is, the opening 11 is provided at the end of the electrode probe protective cover 1 close to the electrode probe 21 of the pH meter 2 .

[0031] According to one or some embodiments of the present invention, the opening 11 of the electrode probe protective cover 1 in the Z direction is elliptical.

[0032] According to one or some embodiments of the present invention, the axial length of the electrode probe protective cover 1 is slightly greater than the depth of the pH electrode immersed in the medium.

[0033] According to one or some embodiments of the present invention, the electrode probe protective cover 1 is made of a corrosion-resistant and easily plastic material.

[0034] According to one or some embodiments of the present invention, the electrode probe protective cover 1 is made of polytetrafluoroethylene.

[0035] According to one or some embodiments of the present invention, the thickness of the electrode probe protective cover 1 is 1 mm to 5 mm.

[0036] According to one or some embodiments of the present invention, the thickness of the electrode probe protective cover 1 is 2 mm to 3 mm.

[0037] According to another aspect of the utility model, a pH meter 2 is provided, comprising:

[0038] pH meter 2 body, pH meter 2 is used to monitor and control the pH parameters of the medium to be tested in real time;

[0039] An electrode probe protective cover 1, which is the electrode probe protective cover 1 used for the pH meter 2;

[0040] The pH meter 2 is installed on the side wall of the pipe 4 containing the pH parameter medium to be measured through the installation base 3.

[0041] The axial direction of the pipe 4 containing the medium to be measured is X-direction, the axial direction of the mounting base 3 is Y-direction, the pH meter 2 is arranged according to the axial direction of the mounting base 3, and the pH meter 2 has two ends, wherein one end of the electrode probe 21 for detecting the pH parameter extends into the medium to be measured in the pipe 4, and the mounting base 3 has two ends, and an electrode probe protective cover 1 for the pH meter 2 is fixedly arranged at one end close to the electrode probe 21 of the pH meter 2,

[0042] The electrode probe protective cover 1 has an opening 11, which includes: an opening 11 in the Z direction perpendicular to X and Y, and the direction of the opening 11 in the Z direction is perpendicular to the flow direction of the medium to be measured, thereby preventing the electrode probe 21 of the pH meter 2 from being damaged and not affecting the accuracy of the pH meter 2.

[0043] The electrode probe protective cover for the pH meter provided by the utility model realizes accurate protection of the electrode detection element of the online chemical instrument pH meter, the pH meter measurement is not affected in any way, the use environment of the pH meter electrode element is improved, the service life is greatly increased, and the cost is reduced.

[0044] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. An electrode probe protective cover for a pH meter, the pH meter is used to monitor and control the pH parameter of a medium to be measured in real time, the pH meter is installed on the side wall of a pipeline containing a medium to be measured pH parameter through a mounting base, wherein: The axial direction of the pipeline containing the medium to be measured is X-direction, the axial direction of the mounting base is Y-direction, the pH meter is arranged according to the axial direction of the mounting base, and the pH meter has two ends, wherein one end of the electrode probe for detecting the pH parameter extends into the medium to be measured in the pipeline, The mounting base has two ends, wherein an electrode probe protective sleeve for the pH meter is fixedly arranged at one end close to the electrode probe of the pH meter, the electrode probe protective sleeve is cylindrical and is sleeved on the outside of the electrode probe of the pH meter, and the axial direction of the electrode probe protective sleeve is consistent with the pH meter and the mounting base. Wherein, the electrode probe protective cover has an opening, and the opening includes: an opening in the Z direction perpendicular to X and Y, and the opening direction in the Z direction is perpendicular to the flow direction of the medium to be measured.

2. The electrode probe protective cover for a pH meter according to claim 1, characterized in that: The electrode probe protective cover has multiple openings.

3. The electrode probe protective cover for a pH meter according to claim 1, characterized in that: The opening of the electrode probe protective cover also includes an opening in the Y direction, that is, the opening is arranged at the end of the electrode probe protective cover close to the electrode probe of the pH meter.

4. The electrode probe protective cover for a pH meter according to claim 1, characterized in that: The opening of the electrode probe protective cover in the Z direction is elliptical.

5. The electrode probe protective cover for a pH meter according to claim 1, characterized in that: The axial length of the electrode probe protective sleeve is slightly greater than the depth of the pH electrode immersed in the medium.

6. The electrode probe protective cover for a pH meter according to claim 1, characterized in that: The electrode probe protective cover is made of corrosion-resistant and easily plastic material.

7. The electrode probe protective cover for a pH meter according to claim 6, characterized in that: The material of the electrode probe protective cover is polytetrafluoroethylene.

8. The electrode probe protective cover for a pH meter according to claim 1, characterized in that: The thickness of the electrode probe protective cover is 1 mm to 5 mm.

9. The electrode probe protective cover for a pH meter according to claim 8, characterized in that: The thickness of the electrode probe protective cover is 2 mm to 3 mm.

10. A pH meter, characterized in that: include: A pH meter body, wherein the pH meter is used to monitor and control the pH parameters of the medium to be measured in real time; An electrode probe protective cover, wherein the electrode probe protective cover is the electrode probe protective cover for a pH meter according to any one of claims 1 to 9; The pH meter is installed on the side wall of the pipeline containing the pH parameter medium to be measured through the installation base. The axial direction of the pipeline containing the medium to be measured is X-direction, the axial direction of the mounting base is Y-direction, the pH meter is arranged according to the axial direction of the mounting base, and the pH meter has two ends, wherein one end of the electrode probe for detecting the pH parameter extends into the medium to be measured in the pipeline, and the mounting base has two ends, and an electrode probe protective cover for the pH meter is fixedly arranged at one end close to the electrode probe of the pH meter, Wherein, the electrode probe protective cover has an opening, and the opening includes: an opening in the Z direction perpendicular to X and Y, and the opening direction in the Z direction is perpendicular to the flow direction of the medium to be measured, thereby preventing the pH meter electrode probe from being damaged and not affecting the accuracy of the pH meter.

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