Titration device based on scale inhibitor scale inhibition performance evaluation
Technical Field
The utility model relates to the technical field of wastewater treatment, in particular to a titration device for evaluating scale inhibition performance of a scale inhibitor.
Background
The main scaling ion in general industrial water is Ca 2+ ion, and the scale inhibition effect of the scale inhibitor on wastewater is also often characterized by the change of Ca 2+ ion content in the solution. At present, a manual observation operation method is adopted in the titration link for measuring the content of Ca 2+ ions, and the problems of overlarge error caused by inaccurate observation operation and inaccurate data reading exist.
Disclosure of utility model
In order to overcome the defects of the prior art, the utility model aims to provide a titration device based on scale inhibition performance evaluation of a scale inhibitor, and solves the problems that in the prior art, a manual observation operation method is mostly adopted in a titration link for measuring Ca 2+ ion content, the observation operation is inaccurate, and the error is overlarge due to inaccurate read data.
In order to achieve the above object, the present utility model provides the following solutions:
A titration apparatus based on scale inhibitor scale inhibition performance evaluation, comprising:
The device comprises a dosing sub-device, a reaction container, a first control valve, a titration container, a color identification sensor, a second control valve, an EDTA container and a liquid level display;
The adding sub-device is connected with the reaction container, the reaction container is connected with the titration container through a first pipeline, the first control valve is arranged on the first pipeline, the EDTA container is connected with the titration container through a second pipeline, the second control valve is arranged on the second pipeline, the liquid level display is connected with the EDTA container, and the right facing position of the color identification sensor is arranged on the outer side of the titration container;
The adding sub-device is used for adding a scale inhibitor into the reaction container, the reaction container reacts according to the scale inhibitor, the first control valve is used for controlling the disconnection of the first pipeline, the color recognition sensor is used for recognizing the change of the color of the solution in the titration container, the EDTA container is used for providing the EDTA solution, the second control valve is used for controlling the disconnection of the second pipeline, and the liquid level display is used for displaying the volume data of the liquid in the EDTA container.
Preferably, the type of the reaction vessel is R-2000.
Preferably, the model of the adding sub-device is AD-1000.
Preferably, the method further comprises:
A reagent adding sub-device;
The reagent adding sub-device is connected with the titration container and is used for adding a chrome black T indicator into the reagent adding sub-device.
The utility model discloses the following technical effects:
The utility model provides a titration device based on scale inhibition performance evaluation of a scale inhibitor, which comprises a dosing sub-device, a reaction container, a first control valve, a titration container, a color identification sensor, a second control valve, an EDTA container and a liquid level indicator, wherein the dosing sub-device is connected with the reaction container, the reaction container is connected with the titration container through a first pipeline, the first control valve is arranged on the first pipeline, the EDTA container is connected with the titration container through a second pipeline, the second control valve is arranged on the second pipeline, the liquid level indicator is connected with the EDTA container, and the color identification sensor is right opposite to the titration container. According to the utility model, the color change of the solution is judged by the color recognition sensor, and the titration process is controlled by the second control valve according to the change of the indicator lamp of the color recognition sensor, so that the accuracy of titration operation is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a titration apparatus based on scale inhibition performance evaluation of a scale inhibitor according to an embodiment of the present utility model.
Reference numerals illustrate:
1-dosing sub-device, 2-reaction vessel, 3-first control valve, 4-titration vessel, 5-color recognition sensor, 6-second control valve, 7-EDTA vessel and 8-liquid level display.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
As shown in FIG. 1, the utility model provides a titration device based on scale inhibition performance evaluation of a scale inhibitor, which comprises:
The device comprises a dosing sub-device 1, a reaction container 2, a first control valve 3, a titration container 4, a color recognition sensor 5, a second control valve 6, an EDTA container 7 and a liquid level display 8;
the dosing sub-device 1 is connected with the reaction vessel 2, the reaction vessel 2 is connected with the titration vessel 4 through a first pipeline, the first control valve 3 is arranged on the first pipeline, the EDTA vessel 7 is connected with the titration vessel 4 through a second pipeline, the second control valve 6 is arranged on the second pipeline, the liquid level display instrument 8 is connected with the EDTA vessel 7, and the color recognition sensor 5 is placed in a right position with the titration vessel 4.
The dosing sub-device 1 is used for adding a scale inhibitor into the reaction container 2, the reaction container 2 reacts according to the scale inhibitor, the first control valve 3 is used for controlling the break of a first pipeline, the quantitative solution can be extracted by using the first control valve, the EDTA container 7 is used for providing the EDTA solution, the second control valve 6 is used for controlling the break of a second pipeline, and the liquid level display instrument 8 is used for displaying the volume data of the liquid in the EDTA container 7.
Specifically, the change in color of the solution in the titration vessel 4 is determined by detecting the change in intensity and wavelength.
Specifically, the color recognition sensor recognizes the color change of the solution in the titration container, and when the color change of the solution is detected, the indicator light changes, and the switch of the second control valve 6 is manually adjusted according to the change of the indicator light.
Specifically, the second control valve 6 is a manual control valve.
The consumption of the solution in the EDTA container 7 is shown as a change in the level on the level indicator 9.
Further, the model of the reaction vessel 2 is R-2000.
Specifically, the reaction vessel 2 is a reaction vessel with a heat preservation and heating function, and the temperature and the time can be set, so that the water temperature is kept unchanged during the scale inhibition reaction.
Further, the model of the adding sub-device is AD-1000.
The adding sub-device can realize adding the scale inhibitor.
Further, the method further comprises the following steps:
A reagent adding sub-device;
The reagent adding sub-device is connected with the titration container 4 and is used for adding a chrome black T indicator into the reagent adding sub-device. A certain amount of chrome black T indicator is placed in the titration container 4 in advance, the chrome black T is an EDTA indicator, the chrome black T and Ca 2+ ions in the solution generate a red complex, after the EDTA solution is added, the EDTA deprives the combined Ca 2+ ions of the chrome black T, and the chrome black T is released, so that the solution turns blue.
Specifically, the application flow of the utility model is as follows:
The method comprises the steps of adding a scale inhibitor into a reaction container by using a dosing sub-device to perform reaction to generate a scale inhibition effect, controlling the first pipeline to be disconnected by a first control valve to realize the transmission of liquid in the reaction container to a titration container, transmitting a solution of an EDTA container to the titration container by a second pipeline, and distinguishing and judging the color change of the solution in the titration container by a color distinguishing sensor at the moment, and flashing an indicator lamp of the color distinguishing sensor when the color of the solution is changed from red to blue. And according to the change of the indicator lamp, a constructor controls the opening and closing of the second pipeline through the second control valve, and finally, the liquid level indicator is used for displaying the final liquid volume of the EDTA container.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to facilitate an understanding of the principles and concepts of the utility model and are to be varied in scope and detail by persons of ordinary skill in the art based on the teachings herein. In view of the foregoing, this description should not be construed as limiting the utility model.