CN115574863A - Pickling solution performance online detection system and method - Google Patents

Abstract

The invention discloses an on-line pickling solution performance detection system and method, which comprises an analyzer and an acid solution storage tank, wherein the analyzer is arranged on a support, a plurality of data transmission interfaces are arranged on the outer side of the analyzer, a tank cover is arranged at the upper end of the acid solution storage tank, a plurality of through holes are formed in the tank cover, the on-line pickling solution performance detection system further comprises a conductivity meter, an acid solution concentration acquisition meter, an ion concentration acquisition meter and a thermometer, the bottom ends of the conductivity meter, the acid solution concentration acquisition meter, the ion concentration acquisition meter and the thermometer penetrate through the through holes and extend into the inner cavity of the acid solution storage tank, and the other ends of the conductivity meter, the acid solution concentration acquisition meter, the ion concentration acquisition meter and the thermometer are respectively connected with the data transmission interfaces on the analyzer through data lines.

Description

An online detection system and method for pickling liquid performance

technical field

The invention relates to the technical field of pickling liquid performance detection, in particular to an on-line detection system and method for pickling liquid performance.

Background technique

At present, the performance of the pickling solution in each pickling section of most continuous pickling units is through off-line detection and post-adjustment strategy. The acid liquid is sampled and tested. When the concentration of the acid liquid is detected to drop to a certain value, new acid is added to the circulation tank and the old acid is discharged to increase the acid concentration. This mode of operation is slow in response, resulting in very unstable process control of the pickling solution, so it is necessary to improve it.

Contents of the invention

The object of the present invention is to provide an on-line detection system and method for pickling liquid performance, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: an on-line detection system for pickling liquid performance, including an analyzer and an acid storage tank, the analyzer is installed on a bracket, and a plurality of data transmission devices are installed on the outside of the analyzer Interface, the upper end of the acid storage tank is equipped with a box cover, and a plurality of through holes are provided on the box cover, and also includes a conductivity meter, an acid concentration collection meter, an ion concentration collection meter and a thermometer, the conductivity meter, The acid liquid concentration collection meter, the ion concentration collection meter and the bottom end of the thermometer all extend into the inner cavity of the acid liquid storage tank through the through hole, and the other ends of the conductivity meter, the acid liquid concentration collection meter, the ion concentration collection meter and the thermometer respectively pass through the The data cable is connected to the data transmission interface on the analyzer.

Preferably, in the on-line detection system for pickling liquid performance provided by the present application, a pipe opening is also provided on the tank cover, and a liquid injection pipe is installed at the pipe mouth, and the liquid injection pipe communicates with the external acid tank .

Preferably, in the on-line detection system for pickling liquid performance provided by the present application, a low liquid level sensor and a high liquid level sensor are installed on the outer wall of the acid liquid storage tank, and the low liquid level sensor and the high liquid level sensor Connect the analyzers via data cables.

Preferably, in the on-line detection system for pickling liquid performance provided by the present application, a touch display screen, an alarm indicator light and function buttons are installed on the analyzer, and a main control board is installed inside the analyzer.

Preferably, in the on-line detection system for pickling liquid performance provided by the present application, the thermometer adopts a strong acid and strong alkali resistant temperature sensor of the model S470.

Preferably, in the on-line detection system for pickling liquid performance provided by the present application, a liquid discharge port is provided at the bottom of the acid liquid storage tank, and a liquid discharge pipe is installed at the liquid discharge port.

Preferably, in the on-line detection system for pickling liquid performance provided by the present application, a first electromagnetic valve is installed on the liquid injection pipeline, a second electromagnetic valve is installed on the liquid discharge pipeline, and the first electromagnetic valve and The second solenoid valve is respectively connected to the analyzer.

Preferably, a kind of pickling solution performance online detection system provided by the application, wherein, its detection method comprises the following steps:

A. First, insert the conductivity meter, acid concentration acquisition meter, ion concentration acquisition meter and thermometer into the acid storage tank respectively, and connect them to the signal of the analyzer;

B. Turn on the analyzer, the conductivity meter, acid concentration acquisition meter, ion concentration acquisition meter and thermometer respectively collect the conductivity, acid concentration, ion concentration and temperature of the acid solution, and the collected data are displayed on the touch screen in real time;

C. During the use of the acid solution, the second solenoid valve is opened, and the acid solution is discharged to the cleaning process for pickling operation;

D. The liquid level sensor collects the liquid level of the acid in real time. If the low liquid level sensor collects the liquid level signal, close the second solenoid valve and open the first solenoid valve to inject acid. When the high liquid level sensor collects the liquid level signal After that, close the first solenoid valve.

Compared with the prior art, the beneficial effects of the present invention are: the present invention has simple working principle and convenient operation, can monitor the conductivity, acid concentration, ion concentration and temperature of the pickling solution in real time, and realize real-time on-line monitoring of the performance of the acid solution The purpose is to improve the pickling effect of the subsequent pickling solution; in addition, it can also realize automatic acid discharge and acid injection, which reduces labor costs.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a control principle block diagram of the present invention;

Fig. 3 is a flowchart of the present invention;

In the figure: analyzer 1, acid storage tank 2, bracket 3, tank cover 4, conductivity meter 5, acid concentration collection meter 6, ion concentration collection meter 7, thermometer 8, liquid injection pipe 9, low liquid level sensor 10. A high liquid level sensor 11 , a touch screen 12 , an alarm indicator light 13 , a function button 14 , a drain pipe 15 , a first solenoid valve 16 and a second solenoid valve 17 .

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Examples of the described embodiments are shown in the drawings, wherein like or similar reference numerals designate like or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

In describing the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or Elements must have certain orientations, be constructed and operate in certain orientations, and therefore should not be construed as limitations on the invention.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Please refer to Fig. 1-3, the present invention provides a kind of technical scheme: a kind of pickling solution performance on-line detection system, comprises analyzer 1 and acid solution storage tank 2, and described analyzer 1 is installed on the support 3, and described analysis A plurality of data transmission interfaces are installed on the outside of the instrument 1, and a box cover 4 is installed on the upper end of the acid storage tank 2, and a pipeline opening is also provided on the box cover 4, and a liquid injection pipeline 9 is installed at the pipeline mouth, and the liquid injection pipeline 9 It is communicated with the external acid tank, and a plurality of through holes are provided on the cover 4, and also includes a conductivity meter 5, an acid concentration collector 6, an ion concentration collector 7 and a thermometer 8, the conductivity meter 5, acid The liquid concentration collecting meter 6, the ion concentration collecting meter 7 and the bottom end of the thermometer 8 all extend into the inner cavity of the acid liquid storage tank 2 through the through hole, and the conductivity meter 5, the acid liquid concentration collecting meter 6, and the ion concentration collecting meter 7 The other end of the thermometer 8 is connected to the data transmission interface on the analyzer through a data line respectively, and a touch display screen 12, an alarm indicator light 13 and a function button 14 are installed on the analyzer 1, and a main control board is installed inside the analyzer 1.

In the present invention, a low liquid level sensor 10 and a high liquid level sensor 11 are installed on the outer wall of the acid storage tank 2, and the low liquid level sensor 10 and the high liquid level sensor 11 are respectively connected to the analyzer 1 through data lines. The set liquid level sensor can monitor the liquid level of the acid liquid in real time.

In the present invention, the thermometer 8 adopts a strong acid and strong alkali resistant temperature sensor whose model is S470. The thermometer has high acquisition accuracy, good acid and alkali resistance, and is not easy to be damaged.

In the present invention, a liquid discharge port is provided at the bottom of the acid liquid storage tank 2, and a liquid discharge pipe 15 is installed at the liquid discharge port; The solenoid valve 17, the first solenoid valve 16 and the second solenoid valve 17 are connected to the analyzer 1 respectively.

Working principle: detection method of the present invention comprises the following steps:

A. First, insert the conductivity meter, acid concentration acquisition meter, ion concentration acquisition meter and thermometer into the acid storage tank respectively, and connect them to the signal of the analyzer;

B. Turn on the analyzer, the conductivity meter, acid concentration acquisition meter, ion concentration acquisition meter and thermometer respectively collect the conductivity, acid concentration, ion concentration and temperature of the acid solution, and the collected data are displayed on the touch screen in real time;

C. During the use of the acid solution, the second solenoid valve is opened, and the acid solution is discharged to the cleaning process for pickling operation;

D. The liquid level sensor collects the liquid level of the acid in real time. If the low liquid level sensor collects the liquid level signal, close the second solenoid valve and open the first solenoid valve to inject acid. When the high liquid level sensor collects the liquid level signal After that, close the first solenoid valve.

In summary, the working principle of the present invention is simple, easy to operate, and can monitor the conductivity, acid concentration, ion concentration and temperature of the pickling solution in real time, realize the purpose of real-time on-line monitoring of the performance of the acid solution, and can improve the acidity of the subsequent pickling solution. cleaning effect; in addition, it can also realize automatic acid discharge and acid injection, which reduces labor costs.

It should be noted that, in this document, terms such as "comprising", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements , but also includes other elements not expressly listed, or also includes elements inherent in such process, method, article or equipment. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. An online detection system for pickling liquid performance, comprising an analyzer (1) and an acid storage tank (2), characterized in that: the analyzer (1) is installed on a bracket (3), and the analyzer (1) A plurality of data transmission interfaces are installed on the outside, and a box cover (4) is installed on the upper end of the acid storage tank (2), and a plurality of through holes are opened on the box cover (4), and a conductivity meter (5 ), the acid concentration collection meter (6), the ion concentration collection meter (7) and the thermometer (8), the conductivity meter (5), the acid concentration collection meter (6), the ion concentration collection meter (7) and The bottom ends of the thermometers (8) extend into the inner cavity of the acid storage tank (2) through the through holes, the conductivity meter (5), the acid concentration collection meter (6), the ion concentration collection meter (7) and the thermometer (8) The other ends are respectively connected to the data transmission interface on the analyzer through data cables. 2. An on-line detection system for pickling liquid performance according to claim 1, characterized in that: the tank cover (4) is also provided with a pipeline opening, and a liquid injection pipeline (9) is installed at the pipeline opening, so that The liquid injection pipe (9) communicates with the external acid tank. 3. An on-line detection system for pickling liquid performance according to claim 1, characterized in that: a low liquid level sensor (10) and a high liquid level sensor (11) are installed on the outer wall of the acid liquid storage tank (2) ), the low liquid level sensor (10) and the high liquid level sensor (11) are respectively connected to the analyzer (1) through data lines. 4. An online detection system for pickling liquid performance according to claim 1, characterized in that: the analyzer (1) is equipped with a touch screen (12), an alarm indicator light (13) and a function button ( 14), the main control board is installed inside the analyzer (1). 5. An on-line detection system for pickling liquid performance according to claim 1, characterized in that: the thermometer (8) adopts a strong acid and strong alkali resistant temperature sensor model S470. 6. An online detection system for pickling liquid performance according to claim 1, characterized in that: the bottom of the acid storage tank (2) is provided with a drain port, and a drain pipe is installed at the drain port ( 15). 7. An online detection system for pickling liquid performance according to claim 1, characterized in that: a first electromagnetic valve (16) is installed on the liquid injection pipe (9), and a first electromagnetic valve (16) is installed on the liquid discharge pipe (15). A second solenoid valve (17) is installed, and the first solenoid valve (16) and the second solenoid valve (17) are respectively connected to the analyzer (1). 8. realize the detection method of a kind of pickling liquid performance on-line detection system described in claim 1, it is characterized in that: its detection method comprises the following steps: A. First, insert the conductivity meter, acid concentration acquisition meter, ion concentration acquisition meter and thermometer into the acid storage tank respectively, and connect them to the signal of the analyzer; B. Turn on the analyzer, the conductivity meter, acid concentration acquisition meter, ion concentration acquisition meter and thermometer respectively collect the conductivity, acid concentration, ion concentration and temperature of the acid solution, and the collected data are displayed on the touch screen in real time; C. During the use of the acid solution, the second solenoid valve is opened, and the acid solution is discharged to the cleaning process for pickling operation; D. The liquid level sensor collects the liquid level of the acid in real time. If the low liquid level sensor collects the liquid level signal, close the second solenoid valve and open the first solenoid valve to inject acid. When the high liquid level sensor collects the liquid level signal After that, close the first solenoid valve.

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