Potential of hydrogen (pH) online detection device matched with desulfurizing tower

Abstract

The utility model provides a pH online detection device matched with a desulfurizing tower, which is connected with the bottom of the desulfurizing tower (1) through a pipeline (2) and comprises a tank body (3), a pH meter (4), a flushing probe (5), a calibration liquid dispenser (6) and a control box (7), a pH meter and a flushing probe are fixedly mounted on the inner wall of the top of the tank body, the flushing probe is aligned to the detection end of the pH meter, and the upper part of the flushing probe is connected with a liquid inlet (301) in the top of the tank body; pH calibration liquid is contained in the calibration liquid dispenser, and the calibration liquid dispenser is connected with one side of the tank body through a pipeline; the control box is located outside the tank body, the electric valve, the pH meter, the flushing probe and the calibration liquid dispenser are electrically connected with the control box, and the control box is powered by an external power source. According to the device, automatic calibration, automatic flushing, automatic detection and the like are adopted, manual operation is replaced, the detection efficiency of the pH value of the desulfurizing agent is improved, the safety risk of operators is reduced, and the working environment of the operators is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to desulfurization equipment technical field, especially related to a desulfurization tower is matched with pH on -line detection device. BACKGROUND

[0002] In the desulfurization application field, the pH value of desulfurizer plays a decisive role in the desulfurization process, and its measured value is very critical. The pH value detection and calibration in the past all need personnel to operate manually on site, and need to be detected once every certain time interval, and the detection means is backward. At the same time, the on-site environment temperature is high, and the raw material temperature to be detected is also high, and the operating personnel not only work in high temperature, but also are easily scalded if the operation is improper.

[0003] Therefore, how to improve the detection efficiency, reduce the safety risk of operating personnel and improve the working environment of operating personnel is the problem we need to solve. SUMMARY

[0004] In view of the problems existing in the prior art, the utility model aims at providing a desulfurization tower is matched with pH on -line detection device, adopts automatic calibration, automatic flushing, automatic detection etc., replaces manual operation, improves the detection efficiency of desulfurizer pH value, reduces the safety risk of operating personnel and improves the working environment of operating personnel.

[0005] The utility model aims at realizing through the following technical schemes:

[0006] A desulfurization tower is matched with pH on -line detection device, the device is connected with the bottom of desulfurization tower through pipeline, and its characterized in that electric valve is arranged on the pipeline, the pH on -line detection device includes jar body, pH meter, flushing probe, calibration liquid feeder and control box;

[0007] The pH meter and flushing probe are fixedly installed on the inner wall on the top of jar body, the flushing probe is aligned with the detection end of pH meter, and the upper part of flushing probe is connected with the liquid inlet on the top of jar body; The calibration liquid feeder contains pH calibration liquid, and is connected with one side of jar body through pipeline;

[0008] The control box is located outside jar body, and the electric valve, pH meter, flushing probe and calibration liquid feeder are electrically connected with the control box, and the control box is powered by external power supply.

[0009] Further, the bottom of jar body is provided with liquid outlet, and the emptying electromagnetic valve installed on the liquid outlet is electrically connected with the control box.

[0010] Further, the liquid inlet on the top of jar body and calibration liquid feeder are all provided with electromagnetic valve, and the electromagnetic valve is electrically connected with the control box.

[0011] The utility model has the beneficial effects compared with prior art:

[0012] The pH online detection device matched with the desulfurization tower adopts automatic flushing, automatic calibration and automatic detection, replaces manual operation, can timely flush impurities to ensure data accuracy, efficiently calibrates the pH value of the desulfurizing agent, automatically completes pH value detection and remote display, reduces manual intervention, and simultaneously reduces the safety risk of the operator, improves the working environment of the operator. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be further described below in combination with the drawings and examples:

[0014] Figure 1 The structure diagram of the pH online detection device matched with the desulfurization tower is described in the examples.

[0015] In the drawing, 1 is a desulfurization tower, 2 is a pipeline, 201 is an electric valve, 3 is a tank body, 301 is a liquid inlet, 302 is a liquid outlet, 4 is a pH meter, 5 is a flushing probe, 6 is a calibration liquid dispenser, and 7 is a control box. DETAILED DESCRIPTION

[0016] Example

[0017] As shown in the drawing, the embodiment provides a pH online detection device matched with a desulfurization tower. Figure 1 The device is connected with the bottom of the desulfurization tower 1 through a pipeline 2, wherein an electric valve 201 is arranged on the pipeline 2, and the pH online detection device comprises a tank body 3, a pH meter 4, a flushing probe 5, a calibration liquid dispenser 6 and a control box 7.

[0018] The top and bottom of the tank body 3 are respectively provided with a liquid inlet 301 and a liquid outlet 302. The pH meter 4 and the flushing probe 5 are fixedly installed on the inner wall of the top of the tank body, the flushing probe is aligned with the detection end of the pH meter, the upper part of the flushing probe is connected with the liquid inlet 301 of the top of the tank body, and the flushing probe is used to flush the detection end of the pH meter to avoid impurities remaining on the pH meter and affecting the detection accuracy. The calibration liquid dispenser 6 contains pH calibration liquid and is connected with one side of the tank body through a pipeline. Electromagnetic valves are arranged on the liquid inlet 301 of the top of the tank body and the calibration liquid dispenser 6, and an emptying electromagnetic valve is arranged on the liquid outlet 302.

[0019] The control box 7 is located outside the tank body, the electric valve 201, the pH meter 4, the electromagnetic valves on the liquid inlet 301 and the calibration liquid dispenser 6, and the emptying electromagnetic valve on the liquid outlet 302 are electrically connected with the control box, the control box is powered by an external power supply, and thus the real-time online detection of the pH of the desulfurizing agent is realized.

[0020] The use of the pH online detection device matched with the desulfurization tower in the embodiment comprises two steps of pH meter flushing, calibration and pH value detection, and specifically comprises the following steps:

[0021] ①pH meter flushing, calibration process: start flushing, calibration process program, in turn, the detection device pipe 2 provided with the electric valve 201 is closed, the emptying electromagnetic valve on the liquid outlet 302 is opened, the electromagnetic valve on the liquid inlet 301 is opened, the clean water is entered by the liquid inlet, and the flushing probe realizes the flushing of the detection end of the pH meter, removes the impurities on the pH meter, about 10 seconds later, the electromagnetic valve on the liquid inlet 301 is closed, the emptying electromagnetic valve on the liquid outlet 302 is closed after 2 seconds, at this time, the water and impurities in the tank 3 are emptied, and the flushing is completed; then the calibration liquid dispenser 6 working program is started, the pH calibration liquid in it is put into the tank 3, the pH calibration liquid is put into the tank 3, the pH meter 4 starts to calibrate, when the detection value and the calibration value are consistent, the calibration is completed; after the calibration is completed, the emptying electromagnetic valve on the liquid outlet 302 is opened, and the pH calibration liquid is discharged to the external waste pool, then the emptying electromagnetic valve on the liquid outlet 302 is closed, and the flushing and calibration process is completed.

[0022] ②pH value detection process: according to the process detection requirement, the detection program is started, at this time, the electric valve 201 on the pipe 2 is opened, the slurry to be measured in the desulfurization tower enters the tank 3, and the pH meter 4 starts to detect, when the pH meter 4 detection data is stable and unchanged, the detection data is transmitted to the control box 7. The emptying electromagnetic valve on the liquid outlet 302 is opened, and the slurry to be measured is discharged to the external waste pool, then the emptying electromagnetic valve on the liquid outlet 302 is closed, and the pH value detection process is completed.

[0023] Finally, it should be pointed out that the above is only used to illustrate the technical scheme of the utility model and is not limited. Although the utility model is described in detail with reference to the preferred arrangement scheme, those skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical scheme of the utility model.

Claims

1. A pH online detection device for a desulfurization tower, the device being connected to the bottom of the desulfurization tower (1) via a pipeline (2), characterized in that: An electric valve (201) is provided on the pipeline (2), and the pH online detection device comprises a tank (3), a pH meter (4), a flushing probe (5), a calibration liquid dispenser (6) and a control box (7); A pH meter (4) and a flushing probe (5) are fixedly mounted on the inner wall of the top of the tank body (3). The flushing probe is aligned with the detection end of the pH meter, and the upper portion of the flushing probe is connected to the liquid inlet (301) at the top of the tank body. The calibration liquid dispenser (6) contains pH calibration liquid and is connected to one side of the tank body through a pipeline. The control box (7) is located outside the tank body, and the electric valve (201), pH meter (4), flushing probe (5) and calibration liquid dispenser (6) are electrically connected to the control box respectively, and the control box is powered by an external power supply.

2. The desulfurization tower supporting pH online detection device according to claim 1, characterized in that: A liquid outlet (302) is provided at the bottom of the tank body (3), and an emptying solenoid valve installed on the liquid outlet is electrically connected to the control box (7).

3. The desulfurization tower supporting pH online detection device according to claim 1, characterized in that: The liquid inlet (301) at the top of the tank body (3) and the calibration liquid dispenser (6) are both provided with electromagnetic valves, which are electrically connected to the control box (7).

Images