Liquid measurement and sample cell cleaning device

Abstract

The utility model relates to a liquid measuring and sample groove cleaning device which comprises a refractometer, a flow cell, a steam generator, a pump, a first valve and a second valve, a prism is embedded in the bottom wall of a sample groove of the refractometer, the flow cell is of a hollow structure, one end of the flow cell is open, the flow cell covers the sample groove of the refractometer, and the steam generator is communicated with the flow cell through a pipeline. The pump is communicated with the flow cell through a pipeline, the first valve is communicated with the flow cell through a pipeline, and the second valve is communicated with the flow cell through a pipeline, compared with a traditional ultrasonic cleaning mode, the cleaning degree of cleaning is greatly improved, steam generated by the steam generator is used for cleaning, and various residues in the sample groove can be deeply removed.

Description

Technical Field

[0001] This application relates to the field of liquid detection and equipment cleaning technology, and in particular to a liquid measurement and sample tank cleaning device. Background Technology

[0002] In existing technologies, refractive index is one of the important optical parameters of liquids. It can be used to determine parameters such as concentration and freezing point of liquids. Therefore, the measurement of liquid refractive index is of great significance in fields such as machining, chemical engineering, pharmaceuticals, food processing, and petroleum.

[0003] A refractometer is an instrument that measures the refractive index of liquids using the critical angle imaging method of total internal reflection. In manufacturing fields such as machining, online refractometers are commonly used to continuously and in real-time sample and measure the liquid being tested in tanks or pipelines to monitor changes in liquid parameters during production and to address them promptly to ensure product quality. However, in actual industrial measurement scenarios, the liquid being tested often contains impurities, which adhere to the refractometer's measurement window as the liquid flows, leading to inaccurate measurements or even malfunction, thus seriously affecting quality control in the production process. For example, cutting fluids used in machining inevitably mix with oil droplets and sludge during circulation, forming suspensions that are difficult to filter and remove, and easily adhere to the surface of the glass prism, causing refractometer malfunction. Various measures have been implemented in the industry, such as ultrasonic cleaning and electric brush cleaning, but the results have been unsatisfactory. Therefore, cleaning has become a major pain point in online cutting fluid measurement and urgently needs to be addressed. Utility Model Content

[0004] In view of this, this application proposes a liquid measurement and sample tank cleaning device.

[0005] To address the problem of difficult-to-clean sample cells in traditional refractometers, this invention provides a liquid measurement and sample cell cleaning device, comprising: a refractometer, a flow cell, a steam generator, a pump, a first valve, and a second valve;

[0006] A prism is embedded in the bottom wall of the sample cell of the refractometer;

[0007] The flow cell has a hollow structure and is open at one end. The flow cell is placed over the sample cell of the refractometer.

[0008] The steam generator is connected to the flow pool via a pipeline;

[0009] The pump is connected to the flow pool via a pipeline;

[0010] The first valve is connected to the flow pool via a pipeline;

[0011] The second valve is connected to the flow pool via a pipe.

[0012] In one possible implementation, the first valve is connected to a tank containing the solution to be tested.

[0013] In one possible implementation, the flow pool is pre-configured with storage space;

[0014] The cross-sectional diameter of the sample groove gradually increases in the direction away from the prism.

[0015] One possible implementation also includes: a first pipe, a second pipe, a third pipe, and a fourth pipe;

[0016] The steam generator is connected to the flow pool via the first pipe;

[0017] The pump is connected to the flow pool via the second pipe;

[0018] The first valve is connected to the flow pool via the third pipe;

[0019] The second valve is connected to the flow pool via the fourth pipe.

[0020] In one possible implementation, the first conduit is located above the sample tank;

[0021] The first pipe is inclined, and the angle of inclination is such that the opening of the first pipe is aligned with the prism.

[0022] In one possible implementation, the fourth conduit is located below the sample cell;

[0023] The direction of the nozzle of the fourth pipe is perpendicular or approximately perpendicular to the direction of the opening of the sample tank.

[0024] The inlet of the fourth pipe is close to the opening of the sample tank.

[0025] In one possible implementation, the second pipe is spaced from the opening of the sample tank by a first preset angle, and the opening of the second pipe faces the side wall of the sample tank; the third pipe is spaced from the opening of the sample tank by a second preset angle, and the opening of the third pipe faces the side wall of the sample tank.

[0026] In one possible implementation, the first pipe, the second pipe, the third pipe, and the fourth pipe extend into the interior of the flow pool.

[0027] In one possible implementation, the flow cell is sealed to the end face of the refractometer.

[0028] The beneficial effects of the liquid measurement and sample cell cleaning device in this application embodiment are as follows: Compared with the traditional ultrasonic cleaning method, the cleanliness of the cleaning is greatly improved. Cleaning with steam generated by a steam generator can deeply remove various residues in the sample cell, including highly viscous and easily adherent sample components, ensuring the cleanliness of the sample cell and effectively avoiding the impact of residues on the accuracy of subsequent measurements, thus improving the reliability of the measurement data. Specifically, in measurement mode, the flow path of high-temperature steam is first cut off, and then the liquid to be measured is drawn in by the pump and flows along the sample cell pump path of the first valve, filling the sample cell with the liquid to be measured. This ensures that the online refractometer can accurately measure liquid parameters in real time. When switching to cleaning mode, the first valve is first closed and the second valve is opened, and the liquid in the sample cell is recovered by the pump. Then, the high-temperature steam is controlled by turning on the steam generator to enter the sample cell, spraying the prisms inside the sample cell to dissolve and peel off oil and other adhering substances, which are then discharged from the second valve.

[0029] Other features and aspects of this application will become clear from the following detailed description of exemplary embodiments with reference to the accompanying drawings. Attached Figure Description

[0030] The accompanying drawings, which are included in and form part of this specification, illustrate exemplary embodiments, features, and aspects of this application together with the specification and serve to explain the principles of this application.

[0031] Figure 1 A schematic diagram of a liquid measurement and sample tank cleaning apparatus according to an embodiment of this application is shown;

[0032] Figure 2 This is a side view schematic diagram of a liquid measurement and sample tank cleaning device according to an embodiment of this application;

[0033] Figure 3 This is a front view schematic diagram of a liquid measurement and sample tank cleaning device according to an embodiment of this application;

[0034] Figure 4 This illustration shows another embodiment of the liquid measurement and sample tank cleaning apparatus according to an example of this application. Detailed Implementation

[0035] Various exemplary embodiments, features, and aspects of this application will now be described in detail with reference to the accompanying drawings. The same reference numerals in the drawings denote elements that have the same or similar functions. Although various aspects of the embodiments are shown in the drawings, they are not necessarily drawn to scale unless specifically indicated otherwise.

[0036] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model or simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0037] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0038] The term “exemplary” as used herein means “serving as an example, embodiment, or illustration.” Any embodiment illustrated herein as “exemplary” is not necessarily to be construed as superior to or better than other embodiments.

[0039] Furthermore, to better illustrate this application, numerous specific details are provided in the following detailed embodiments. Those skilled in the art should understand that this application can be implemented without certain specific details. In some instances, methods, means, components, and circuits well-known to those skilled in the art have not been described in detail in order to highlight the main points of this application.

[0040] like Figure 1 As shown, the liquid measurement and sample cell cleaning device of this application embodiment includes: a refractometer 100, a flow cell 300, a steam generator 400, a pump 500, a first valve 600, and a second valve 700. A prism 200 is embedded in the bottom wall of the sample cell 110 of the refractometer 100. The flow cell 300 has a hollow structure and is open at one end. The flow cell 300 covers the sample cell 110 of the refractometer 100. The steam generator 400 is connected to the flow cell 300 through a pipe. The pump 500 is connected to the flow cell 300 through a pipe. The first valve 600 is connected to the flow cell 300 through a pipe. The second valve 700 is connected to the flow cell 300 through a pipe.

[0041] In this specific embodiment, compared to the traditional ultrasonic cleaning method, the cleanliness of the cleaning is greatly improved. Cleaning with steam generated by the steam generator 400 can deeply remove various residues in the sample tank 110, including highly viscous and easily adherent sample components, ensuring the cleanliness of the sample tank 110 and effectively avoiding the impact of residues on the accuracy of subsequent measurements, thus improving the reliability of the measurement data. Specifically, in measurement mode, the flow path of the high-temperature steam is first cut off, and then the liquid to be tested is drawn in by the pump 500 and flows along the path of the first valve 600 and the pump 500 in the sample tank 110, filling the sample tank 110 with the liquid to ensure that the online refractometer 100 can accurately measure the liquid parameters in real time. When switching to cleaning mode, the first valve 600 is first closed and the second valve 700 is opened, and the liquid in the sample tank 110 is recovered by the pump 500. Then, the high-temperature steam is controlled by turning on the steam generator 400 to enter the sample tank 110, spraying the prism 200 inside the sample tank 110 to dissolve and peel off oil and other adhering substances, which are then discharged from the second valve 700.

[0042] It should be noted that the high-temperature steam generated by the steam generator 400 sprays the prism 200 inside the sample tank 110. Its function is to generate high-temperature and high-pressure steam. By utilizing the thermal energy and impact force of the steam, it can effectively soften and dissolve stubborn residual samples inside the sample tank 110, thereby achieving deep cleaning.

[0043] In this specific embodiment, the first valve 600 is connected to a tank containing the solution to be tested. The liquid in the tank containing the solution to be tested is pumped into the sample tank 110 by using a pump 500, and then the liquid is tested by a prism 200.

[0044] In this specific embodiment, the flow cell 300 is pre-set with a storage space, which allows the detection liquid to enter the interior of the sample tank 110 for easy detection.

[0045] In this specific embodiment, it also includes: a first pipe, a second pipe, a third pipe and a fourth pipe, wherein the steam generator 400 is connected to the flow pool 300 through the first pipe, the pump 500 is connected to the flow pool 300 through the second pipe, the first valve 600 is connected to the flow pool 300 through the third pipe, and the second valve 700 is connected to the flow pool 300 through the fourth pipe.

[0046] In this specific embodiment, the first pipe is located above the sample tank, and the first pipe is inclined at an angle such that the opening of the first pipe is aligned with the prism 200. Specifically, the opening of the first pipe is directly facing the prism 200, allowing high-temperature gas to be directly sprayed onto the prism 200 to clean it. The high-temperature steam in the sample tank 110 is discharged through the fourth pipe and circulated back to clean the interior of the sample tank 110.

[0047] In this specific embodiment, the fourth pipe is located below the sample tank 110. The direction of the fourth pipe's opening is perpendicular or approximately perpendicular to the opening direction of the sample tank 110, and the opening of the fourth pipe is close to the opening of the sample tank 110. Specifically, the sample tank 110 is located between the first pipe and the fourth pipe. The first pipe delivers high-temperature steam to the sample tank 110 to clean the prism 200. After cleaning, the high-temperature steam carries dirt and is discharged through the fourth pipe using the combined action of steam impact and gravity. Since the opening of the fourth pipe is close to the opening of the sample tank 110, water droplets generated by the high-temperature steam can be directly discharged from the opening of the fourth pipe.

[0048] In this specific embodiment, the second pipe is spaced from the opening of the sample tank 110 by a first preset angle, and the opening of the second pipe faces the side wall of the sample tank 110; the third pipe is spaced from the opening of the sample tank 110 by a second preset angle, and the opening of the third pipe faces the side wall of the sample tank 110. Specifically, when the liquid to be tested is discharged into the sample tank through the second pipe, since the opening of the second pipe is aligned with the side wall of the sample tank 110, when the liquid to be tested is sprayed onto the side wall of the sample tank 110, the opening of the second pipe is spaced from the side wall of the sample tank 110 by the first preset angle, and the opening of the third pipe from which the liquid flows out is spaced from the side wall of the sample tank 110 by the second preset angle. This causes the liquid to be tested to swirl on the side wall of the sample tank 110, which reduces the ability of dirt to adhere to the prism 200, and avoids direct spraying onto the prism 200, preventing particles carried by the liquid to be tested from damaging the prism 200.

[0049] In this specific embodiment, the first pipe, the second pipe, the third pipe, and the fourth pipe extend into the interior of the flow pool 300, so that the first pipe, the second pipe, the third pipe, the fourth pipe, and the flow pool 300 form a four-way pipe structure. Through the joint cooperation of the pump 500, the first valve 600, the second valve 700, and the steam generator 400, the detection liquid is discharged and discharged, as well as the high-temperature steam is transported and output.

[0050] In this specific embodiment, the flow cell 300 is sealed to the end face of the refractometer 100 to ensure that the detection liquid and high-temperature steam enter the sample cell 110, thereby preventing the leaked liquid from damaging the internal electronic components of the instrument and maintaining a stable and clean measurement environment.

[0051] Based on the above, during liquid measurement, pump 500 and the first valve 600 are turned on. Pump 500 draws the liquid to be tested through the second pipe. Since the opening of the second pipe faces the sample tank 110, the liquid to be tested flows rapidly and smoothly into the sample tank 110 under the suction of pump 500, and then is recovered through the third pipe and the first valve 600, realizing the circulation of the liquid to be tested within the sample tank 110. During the filling process, because the second pipe and the opening of the sample tank 110 are set at a first preset angle, and the third pipe and the opening of the sample tank 110 are set at a second preset angle, the liquid inflow and outflow directions are optimized, preventing impact damage to the prism 200, reducing the adhesion of dirt, ensuring the surface of the prism 200 is smooth, and maintaining an accurate refracted light path. After the sample tank 110 is filled with the liquid to be tested, the refractometer 100 is started. Light passes through the prism 200 and the liquid in the sample tank 110. According to the principle of light refraction, the refractometer 100 accurately measures parameters such as the refractive index and concentration of the liquid and transmits the data to an external control system (such as a computer, display screen, etc. The part directly connected to this device is not shown in detail in the figure, but it is a conventional supporting equipment in this field) for recording and analysis.

[0052] When starting the cleaning process, pump 500 and first valve 600 are closed, and steam generator 400 and second valve 700 are opened. The high-temperature and high-pressure steam generated by steam generator 400 is transported to flow cell 300 through first pipe. Since the opening of first pipe is located above sample cell 110 and the opening of fourth pipe is located below sample cell 110, steam is evenly sprayed on the surface of sample cell 110 and prism 200. The heat energy of steam quickly softens and dissolves the residual sample attached to it. After loosening the dirt, the high-temperature steam, dirt and water droplets after cleaning are output through fourth pipe by using the impact force and gravity of steam.

[0053] In another specific embodiment, such as Figure 4 As shown, this application includes a refractometer 100, a flow cell 300, a steam generator 400, a liquid inlet pump 900, a third valve 800, and a one-way breathable membrane 1000. A prism 200 is embedded in the bottom wall of the sample cell 110 of the refractometer 100. The flow cell 300 has a hollow structure and is open at one end. The flow cell 300 covers the sample cell 110 of the refractometer 100. The steam generator 400 is connected to the flow cell 300 through a pipe. The liquid inlet pump 900 is connected to the flow cell 300 through a pipe. The third valve 800 is connected to the flow cell 300 through a pipe. The one-way breathable membrane 1000 is connected to the flow cell 300 through a pipe.

[0054] In this specific embodiment, when operating in measurement mode, the steam generator 400 and the third valve 800 are first shut off, cutting off the flow path of the high-temperature steam. Then, the liquid inlet pump 900 operates, drawing in the liquid to be measured and introducing it into the sample tank 110 along the third pipe. Air in the sample tank 110 is discharged through the second pipe and the one-way vent valve 1000, ensuring that the sample tank 110 is filled with the liquid to be measured, thus guaranteeing accurate measurement of liquid parameters by the online refractometer 100. When switching to cleaning mode, the liquid inlet pump 900 is shut off, while the third valve 800 is opened, and the steam generator 400 is controlled to generate high-temperature steam, which enters the sample tank 110 along the first pipe, spraying the sample tank 110 to dissolve and remove oil and other adhering substances. The liquid and contaminants remaining in the sample tank 110 are then discharged through the fourth pipe and the third valve 800. In intermittent mode, neither liquid is drawn in nor steam spraying is activated, and the sample tank 110 remains clean until the next measurement.

[0055] The various embodiments of this application have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles, practical application, or improvement of the technology in the market, or to enable others skilled in the art to understand the embodiments disclosed herein.

Claims

1. A liquid measurement and sample cell cleaning device, characterized in that, include: Refractometer, flow cell, steam generator, pump, first valve and second valve; A prism is embedded in the bottom wall of the sample cell of the refractometer; The flow cell has a hollow structure and is open at one end. The flow cell is placed over the sample cell of the refractometer. The steam generator is connected to the flow pool via a pipeline; The pump is connected to the flow pool via a pipeline; The first valve is connected to the flow pool via a pipeline; The second valve is connected to the flow pool via a pipe.

2. The liquid measurement and sample tank cleaning device according to claim 1, characterized in that, The first valve is connected to a tank containing the solution to be tested.

3. The liquid measurement and sample tank cleaning device according to claim 1, characterized in that, The flow pool is pre-installed with storage space; The cross-sectional diameter of the sample groove gradually increases in the direction away from the prism.

4. The liquid measurement and sample tank cleaning apparatus according to any one of claims 1-3, characterized in that, It also includes: the first pipe, the second pipe, the third pipe, and the fourth pipe; The steam generator is connected to the flow pool via the first pipe; The pump is connected to the flow pool via the second pipe; The first valve is connected to the flow pool via the third pipe; The second valve is connected to the flow pool via the fourth pipe.

5. The liquid measurement and sample tank cleaning device according to claim 4, characterized in that, The first conduit is located above the sample tank; The first pipe is inclined, and the angle of inclination is such that the opening of the first pipe is aligned with the prism.

6. The liquid measurement and sample tank cleaning device according to claim 4, characterized in that, The fourth pipe is located below the sample tank; The direction of the nozzle of the fourth pipe is perpendicular or approximately perpendicular to the direction of the opening of the sample tank. The inlet of the fourth pipe is close to the opening of the sample tank.

7. The liquid measurement and sample tank cleaning device according to claim 4, characterized in that, The second pipe is spaced at a first preset angle from the opening of the sample tank; the opening of the second pipe faces the side wall of the sample tank. The third pipe is spaced at a second preset angle from the opening of the sample tank; the opening of the third pipe faces the side wall of the sample tank.

8. The liquid measurement and sample tank cleaning device according to claim 4, characterized in that, The first pipe, the second pipe, the third pipe, and the fourth pipe extend into the interior of the flow pool.

9. The liquid measurement and sample tank cleaning device according to claim 1, characterized in that, The flow cell is sealed to the end face of the refractometer.

Images