CN219512149U - Dicyandiamide pH value on-line measuring device - Google Patents
Dicyandiamide pH value on-line measuring device Download PDFInfo
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- CN219512149U CN219512149U CN202223108088.8U CN202223108088U CN219512149U CN 219512149 U CN219512149 U CN 219512149U CN 202223108088 U CN202223108088 U CN 202223108088U CN 219512149 U CN219512149 U CN 219512149U
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Abstract
The utility model relates to an online dicyandiamide pH value measuring device which comprises a reaction kettle, a cleaning controller, a display instrument and a flange plug-in type sheath, wherein the reaction kettle is provided with a flange plug-in type sheath; the reaction kettle is provided with a section of communication pipeline, and a flange of the flange plug type sheath is connected with the communication pipeline; the flange plug-in sheath comprises a pH electrode and a telescopic rod, the telescopic rod is led into the flange plug-in sheath, one end of the telescopic rod is connected with the pH electrode, and the pH electrode is provided with a self-cleaning device; the other end of the telescopic rod is provided with a pH special cable which is connected with a display instrument; the display instrument is connected with a cleaning controller, the cleaning controller is used for controlling the self-cleaning device, and a valve is arranged at the position, close to the flange connection, of the flange plug type sheath. The beneficial effects are that: through intermittent type formula self-cleaning pH electrode, improve the accuracy and the timeliness of pH measurement, simultaneously under the circumstances that does not influence reation kettle reaction process, maintain or replace the pH electrode, promoted dicyandiamide production's automation control level.
Description
Technical Field
The embodiment of the utility model relates to the field of pH value detection, in particular to an online dicyandiamide pH value measuring device.
Background
In the dicyandiamide production process, the reaction control of the pH is a key node for directly determining the quality of the product, the control of the early process is manually measured by pH test paper, the measurement error is inaccurate, the feedback is not timely, and the quality of the dicyandiamide product is affected.
According to the confirmation of the production process, the reaction medium finally needs to finish dicyandiamide reaction in the reaction kettle, materials react from paste to clear medium in the reaction process, and the pH conversion process needs to be detected in time in the later stage of the reaction, so that the quality of the product can be controlled in time. Because calcification is generated in the production process, a calcified layer is formed on the measuring electrode for a long time, and the pH measurement is influenced, so that the product quality is influenced.
The prior art has the following defects: in the material reaction process, the thick material and the generated calcification can wrap the electrode to form a calcified layer, so that the accuracy and timeliness of measurement are affected.
Disclosure of Invention
The utility model aims to provide an online dicyandiamide pH value measuring device. Through intermittent type formula self-cleaning pH electrode, improve the accuracy and the timeliness of pH measurement, simple structure, the operation of being convenient for has promoted the automation control level of dicyandiamide production.
In order to solve the problems, the utility model provides the following technical scheme: the dicyandiamide pH value online measuring device comprises a reaction kettle, a cleaning controller, a display instrument and a flange plug-in type sheath; the reaction kettle is provided with a section of communication pipeline, and the flange of the flange plug-in sheath is connected with the communication pipeline;
the flange plug-in sheath comprises a pH electrode and a telescopic rod, the telescopic rod is led into the flange plug-in sheath, one end of the telescopic rod, which is positioned in the flange plug-in sheath, is connected with the pH electrode, and the pH electrode is provided with a self-cleaning device; the telescopic rod is positioned at the other end outside the flange plug type sheath, and a pH special cable is arranged at the other end outside the flange plug type sheath and is connected with a display instrument; the display instrument is connected with a cleaning controller, and the cleaning controller is used for controlling the self-cleaning device.
Further, the lower part of the reaction kettle is funnel-shaped, the communicating pipeline is positioned on the side wall of the lower part of the reaction kettle, and the communicating pipeline is provided with a flange interface. The communicating pipeline is used for enabling the flange plug type sheath to enter the reaction kettle, and is positioned at the lower part of the reaction kettle so as to facilitate the operation of the flange plug type sheath by workers; the design of the flange interface is convenient for the fixed connection of the flange plug type sheath.
Further, an electrode protecting sleeve is arranged outside the pH electrode. The protective cover is used for protecting the pH electrode and prolonging the service life of the pH electrode.
Further, the self-cleaning device comprises a cleaning liquid and a signal receiving module. The cleaning controller is used for setting the cleaning time, and the signal receiving module receives the signal to automatically clean the pH electrode.
Further, the cleaning solution is clean tap water or oxalic acid with the concentration less than or equal to 5 percent. Tap water is generally used for cleaning, and oxalic acid with concentration less than or equal to 5% is used for instantaneous cleaning, so that oxalic acid belongs to dangerous chemicals and needs to be properly stored.
Further, a valve is arranged at the position, close to the flange connection, of the flange plug-in type sheath. For blocking the outflow of the reaction solution.
The utility model has the beneficial effects that:
1. the flange plug-in sheath is located the reation kettle lower part lateral wall, makes things convenient for the staff to operate the sheath, communicating pipe way interface's design, makes sheath and pipeline fixed connection, avoids the reaction liquid to leak the risk.
2. The pH electrode is connected with the display instrument, so that the pH value can be conveniently monitored; the pH electrode is provided with the self-cleaning device, so that the self-cleaning controller is convenient to control, the electrode is automatically cleaned at intervals for a certain time, the accuracy and timeliness of pH measurement are improved through intermittent automatic cleaning of the pH electrode, a part of labor cost is saved, and the automation control level of dicyandiamide production is improved.
3. The telescopic link is connected the pH electrode and the sheath is close to when the setting of flange department valve is convenient for the pH electrode need maintain and the standard, under the circumstances that does not influence reation kettle reaction progress, can take out the telescopic link, maintains or replace the pH electrode, does not influence on-the-spot production.
Drawings
The utility model is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic diagram of a structure of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a control circuit according to an embodiment of the utility model;
in the figure: 1. a reaction kettle; 2. a cleaning controller; 3. displaying the instrument; 4. a flange plug-in sheath; 5. a communication pipe; 6. a pH electrode; 6-1, a self-cleaning device; 7. a telescopic rod; 8. an electrode protective sleeve; 9. a pH-specific cable; 10. and (3) a valve.
Detailed Description
The present utility model will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
Example 1
Referring to the accompanying drawings 1-2 of the specification, the utility model provides an online dicyandiamide pH value measuring device, which comprises a reaction kettle 1, a cleaning controller 2, a display instrument 3 and a flange plug-in sheath 4; the lower part of the reaction kettle 1 is funnel-shaped, a section of communication pipeline 5 is led into the side wall of the lower part of the reaction kettle 1, a flange plug type sheath 4 is used for entering the reaction kettle 1, a flange interface is arranged on the communication pipeline 5 positioned outside the reaction kettle 1, and the flange plug type sheath 4 is connected with the communication pipeline 5 in a flange manner.
The flange plug-in sheath 4 comprises a pH electrode 6 and a telescopic rod 7, the telescopic rod 7 is led into the flange plug-in sheath 4, the telescopic rod 7 positioned in the flange plug-in sheath 4 is connected with the pH electrode 6, and an electrode protective sleeve 8 is arranged outside the pH electrode 6 and used for protecting the pH electrode 6; the pH electrode 6 is provided with a self-cleaning device 6-1, the self-cleaning device 6-1 comprises cleaning liquid and a signal receiving module, the cleaning liquid generally adopts clean tap water, and if the adhesion is serious, the cleaning liquid considers that oxalic acid with the concentration less than or equal to 5% is used for instantaneous cleaning.
The top of the telescopic rod 7 positioned outside the flange plug type sheath 4 is connected with a pH special cable 9, the pH special cable 9 is connected with a display instrument 3, pH value data tested by a pH electrode 6 can be fed back to the display instrument 3, the display instrument 3 is connected with a cleaning controller 2, and the cleaning controller 2 can set cleaning time and cleaning time interval and is used for controlling the self-cleaning device 6-1 to clean the electrode; the flange-plug-type sheath 4 is provided with a valve 10 for blocking the flow of liquid inside the sheath.
The application process of the utility model is as follows:
when the device works, the display instrument 3 and the cleaning controller 2 are started, the valve 10 is opened, the cleaning time and time interval of the cleaning controller 2 are set, and a signal is sent to the signal receiving module of the self-cleaning device 6-1, so that the flange plug-in sheath 4 can automatically clean within a certain time interval, and the influence of a calcified layer generated in the testing process of the pH electrode 6 on a test result is avoided; the telescopic rod 7 is inserted into the reaction kettle 1, the pH electrode 6 on the telescopic rod 7 can detect the pH value of reactants in the reaction kettle 1, and the test result is fed back to the display instrument 3; when the cleaning time is up, the self-cleaning device 6-1 is started, the pH electrode 6 is automatically cleaned, and after the cleaning is completed, the pH electrode 6 can continue to work.
When the pH electrode 6 needs to be maintained and calibrated, the display instrument 3 and the cleaning controller 2 are closed, the telescopic rod 7 is pulled out, the valve 10 is closed, the telescopic rod 7 is taken down, and the pH electrode 6 can be maintained or replaced under the condition that the reaction progress in the reaction kettle 1 is not influenced.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (6)
1. The dicyandiamide pH value online measurement device is characterized by comprising a reaction kettle (1), a cleaning controller (2), a display instrument (3) and a flange plug-in sheath (4); the reaction kettle (1) is provided with a section of communication pipeline (5), and the flange plug-in sheath (4) is in flange connection with the communication pipeline (5);
the flange plug-in sheath (4) comprises a pH electrode (6) and a telescopic rod (7), the telescopic rod (7) is led into the flange plug-in sheath (4), one end of the telescopic rod (7) positioned in the flange plug-in sheath (4) is connected with the pH electrode (6), and the pH electrode (6) is provided with a self-cleaning device (6-1); the telescopic rod (7) is positioned at the other end outside the flange plug-in sheath (4), a pH special cable (9) is arranged at the other end, and the pH special cable (9) is connected with the display instrument (3); the display instrument (3) is connected with the cleaning controller (2), and the cleaning controller (2) is used for controlling the self-cleaning device (6-1).
2. The dicyandiamide pH value online measurement device according to claim 1, wherein the lower part of the reaction kettle (1) is funnel-shaped, the communicating pipeline (5) is positioned on the side wall of the lower part of the reaction kettle (1), and the communicating pipeline (5) is provided with a flange interface.
3. The dicyandiamide pH online measuring device according to claim 1, wherein an electrode protecting sleeve (8) is arranged outside the pH electrode (6).
4. The dicyandiamide pH online measuring device according to claim 1, wherein the self-cleaning device (6-1) comprises a cleaning liquid and a signal receiving module.
5. The online dicyandiamide pH measuring device according to claim 4, wherein the cleaning liquid is clean tap water or oxalic acid with concentration less than or equal to 5%.
6. The dicyandiamide pH online measurement device according to claim 5, wherein the flange plug type sheath (4) is provided with a valve (10) near the flange connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223108088.8U CN219512149U (en) | 2022-11-23 | 2022-11-23 | Dicyandiamide pH value on-line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223108088.8U CN219512149U (en) | 2022-11-23 | 2022-11-23 | Dicyandiamide pH value on-line measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219512149U true CN219512149U (en) | 2023-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223108088.8U Active CN219512149U (en) | 2022-11-23 | 2022-11-23 | Dicyandiamide pH value on-line measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219512149U (en) |
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2022
- 2022-11-23 CN CN202223108088.8U patent/CN219512149U/en active Active
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