CN214346451U - Independent pH measuring and adjusting device - Google Patents
Independent pH measuring and adjusting device Download PDFInfo
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- CN214346451U CN214346451U CN202023339781.7U CN202023339781U CN214346451U CN 214346451 U CN214346451 U CN 214346451U CN 202023339781 U CN202023339781 U CN 202023339781U CN 214346451 U CN214346451 U CN 214346451U
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Abstract
The utility model discloses an independent pH measuring and adjusting device, which comprises a container and a pH measuring tank, wherein the container and the pH measuring tank are arranged, and the side wall of the container is connected with an infusion mechanism and a pH adjusting mechanism; the interior of the pH measuring tank is connected with a thermocouple and a pH electrode group; the lower part of the side wall of the pH measuring tank is connected with an eighth pipeline, and the eighth pipeline is connected to a reflux port at the upper part of the side wall of the container through a third quick connector; the lower part of the side wall of the pH measuring tank is connected with a seventh pipeline, the seventh pipeline is connected with a first electromagnetic valve, and the tail end of the seventh pipeline is connected with an infusion mechanism through a first quick connector; and the side wall of the pH measuring tank is connected with a pH electrode correction mechanism. By adopting the structure, the pH electrode can be independently corrected after sterilization, the pH correction liquid enters the pH measuring device through the sterilizing filter in the correction process to ensure that the correction liquid is sterile, and then the correction liquid is introduced into the liquid to be measured in the tank body to dynamically measure the pH value of the liquid to be measured. In the measuring process, the pH value of the liquid to be measured cannot be influenced by the pH correction liquid.
Description
Technical Field
The utility model belongs to the pH value measurement field, in particular to independent pH is measured and adjusting device.
Background
At present, the tank body on-line pH measuring device is generally arranged on the inner wall of a tank body, and 1-3 pH electrodes are used for measuring the pH value of a solution in the tank body. Before use, the pH electrode is corrected and then installed on the tank body, and then the tank body is sterilized on line. After sterilization is finished, injecting sterile liquid, measuring the pH value through the pH electrode, transmitting the numerical value back to the digital processor, calculating the dosage of acid and alkali regulator to be added, adding the acid and alkali regulator through the metering pump, and repeatedly executing the processes of pH measurement and adding the acid and alkali regulator until the liquid in the tank reaches the target pH value. The above prior art mainly has the following defects:
1. the pH electrode must be corrected by correction liquid before being installed in the tank body, and cannot be corrected by correction liquid after being installed in the tank body and sterilized;
2. the corrected pH electrode can have numerical value deviation after the tank body is sterilized, and the reading of the solution to be detected in the tank body measured by the pH electrode is inaccurate;
3. the pH electrode arranged on the inner wall of the tank body or on the stirring paddle can generate bubbles in liquid in the tank body due to the stirring of the stirring paddle, and the bubbles in the liquid can generate adverse effect on the measurement accuracy of the pH electrode;
4. the tank body is sterilized again after the pH electrode is damaged or replaced abnormally after the tank body is sterilized, and time is consumed;
5. sterile liquid exists in the tank body, when the pH electrode is damaged or abnormal, the electrode can be replaced after the sterile liquid in the tank body is discharged, and the economic loss is large;
6. all pH electrodes can only be arranged on the tank body, can only be sterilized with the tank body when in use, cannot sterilize a measurement system of the pH electrodes independently, and can be used on any sterilized tank body needing to adjust the pH value of liquid.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides an independent pH measuring and adjusting device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an independent pH measuring and adjusting device comprises a container and a pH measuring tank,
the liquid to be detected is stored in the container, a liquid outlet is formed in the bottom of the container, a first electromagnetic valve is connected to the liquid outlet, a liquid conveying mechanism and a pH adjusting mechanism are connected to the side wall of the container, the liquid conveying mechanism is used for conveying the liquid to be detected in the container into the pH measuring tank, and the pH adjusting mechanism is used for adjusting the pH value of the liquid to be detected in the container;
the thermocouple and the pH electrode group are connected inside the pH measuring tank, the thermocouple is used for measuring the temperature of liquid to be measured inside the pH measuring tank, and the pH electrode group is used for measuring the pH value of the liquid to be measured inside the pH measuring tank;
the bottom side of the inside of the pH measuring tank is connected with a fourth liquid level sensor, and the upper part of the inside of the pH measuring tank is connected with a fifth liquid level sensor;
the pH measuring tank is characterized in that an eighth pipeline is connected to the lower portion of the side wall of the pH measuring tank, the eighth pipeline is connected to a backflow port in the upper portion of the side wall of the container through a third quick connector, a fifteenth electromagnetic valve and a sixteenth electromagnetic valve are sequentially arranged on the eighth pipeline in the flowing direction of liquid, an eleventh pipeline is connected between the fifteenth electromagnetic valve and the sixteenth electromagnetic valve, the eleventh pipeline is connected to the twelfth pipeline, and a seventeenth electromagnetic valve is connected to the eleventh pipeline
The bottom of the pH measuring tank is connected with a twelfth pipeline, the twelfth pipeline is connected with a second electromagnetic valve, and the bottom of the twelfth pipeline is connected with a second quick connector;
the lower part of the side wall of the pH measuring tank is connected with a seventh pipeline, the seventh pipeline is connected with a first electromagnetic valve, and the tail end of the seventh pipeline is connected with an infusion mechanism through a first quick connector;
and the side wall of the pH measuring tank is connected with a pH electrode correction mechanism.
Further, the transfusion mechanism sequentially comprises a first pipeline, a second pipeline and a third pipeline which are sequentially connected with the side wall of the container from top to bottom,
a tenth electromagnetic valve and a first infusion pump are sequentially connected to the first pipeline, and a first liquid level sensor is connected to the inner wall of the container and above the first pipeline;
an eleventh electromagnetic valve and a second infusion pump are sequentially connected to the second pipeline, and a second liquid level sensor is connected to the inner wall of the container and above the second pipeline;
a twelfth electromagnetic valve and a third infusion pump are sequentially connected to the third pipeline, and a third liquid level sensor is connected to the inner wall of the container and above the third pipeline.
Further, the pH adjusting mechanism comprises an acid tank and an alkali tank, acid adjusting liquid is stored in the acid tank, the bottom of the acid tank is connected to the upper part of the side wall of the container through a ninth pipeline, and the ninth pipeline is sequentially connected with a first metering pump, a fourth filter and a thirteenth electromagnetic valve;
the inside storage of alkali jar has alkali regulation liquid, and the bottom of alkali jar is connected to the upper portion of container lateral wall through the tenth pipe connection, is connected with second measuring pump, fifth filter and fourteenth solenoid valve on the tenth pipeline according to the preface.
Further, the pH electrode group includes a first pH electrode and a second pH electrode.
Furthermore, the top of the pH measuring tank is connected with a respirator, the bottom of the respirator is connected with a third electromagnetic valve, and a sterilizing filter is arranged in the respirator.
Furthermore, the top of the respirator is connected with a T-shaped clean air pressure pipeline, and an eighth electromagnetic valve and a ninth electromagnetic valve are sequentially connected to a transverse pipeline of the clean air pressure pipeline.
Further, the pH electrode correction mechanism comprises a first pH electrode buffer liquid tank, a second pH electrode buffer liquid tank and a third pH electrode buffer liquid tank which are filled with electrode correction liquids with different solubilities,
the bottom of the first pH electrode buffer liquid tank is connected to the side wall of the pH measuring tank through a fourth pipeline, and a fourth infusion pump, a first filter and a fourth electromagnetic valve are sequentially connected to the fourth pipeline;
the bottom of the second pH electrode buffer liquid tank is connected to the side wall of the pH measuring tank through a fifth pipeline, and a fifth infusion pump, a second filter and a fifth electromagnetic valve are sequentially connected to the fifth pipeline;
the bottom of the third pH electrode buffer liquid tank is connected to the side wall of the pH measuring tank through a sixth pipeline, and a sixth infusion pump, a third filter and a sixth electromagnetic valve are sequentially connected to the sixth pipeline.
Further, the utility model discloses still include electrode conservation fluid reservoir and deionized water jar, the lateral wall upper portion of pH measurement jar still is connected with the thirteenth pipeline, has connected with eighteenth solenoid valve, sixth filter and seventh transfer pump according to the preface on the thirteenth pipeline, the bottom of electrode conservation fluid reservoir is connected to the inlet of seventh transfer pump through nineteenth solenoid valve, and the bottom of deionized water jar is connected to the inlet of seventh transfer pump through the twentieth solenoid valve.
Further, the inner bottom of the pH measuring tank is provided with a first stirring device.
Further, the container is internally provided with a second stirring device.
The utility model adopts the above technical scheme, following beneficial effect has:
1. the pH measuring and adjusting device of the utility model does not need to correct the pH electrode before the sterilization of the container in the using process, and can correct the pH electrode by using the correction liquid after the sterilization, thereby improving the accuracy of the pH electrode measurement;
2. the position of the pH electrode in the utility model is independent of the container, when the pH electrode is damaged and needs to be replaced, the content of the container can not be influenced, and the inner wall of the container is not required to be perforated, so that the sealing performance and the operation stability of the container are influenced;
3. the pH measuring and adjusting device of the utility model can independently sterilize, and the correction liquid for the pH electrode corrects the electrode after sterilization, if necessary, the pH electrode can be repeatedly corrected in the process of measuring the pH value of the liquid in the container by the pH electrode, and the liquid in the container can not be adversely affected;
4. the utility model is designed with a universal quick-assembly and quick-disassembly interface, can be used for different containers, pipelines, storage tanks and reactors, and can meet the requirements of aseptic production through sterilization;
5. the utility model discloses a controller of being connected with the computer opens and closes level sensor, pH electrode, solenoid valve, pump, thermocouple, carries out corresponding procedure, can realize the autocorrection to the pH electrode according to the production conditions of difference, and carries out automatic measure to the liquid that awaits measuring.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments;
fig. 1 is a schematic view of the present invention.
Detailed Description
As shown in figure 1, the utility model relates to an independent pH measuring and adjusting device, which comprises a container 1 and a pH measuring tank 2,
the liquid to be detected is stored in the container 1, a liquid outlet is formed in the bottom of the container 1, a first check valve 16.1 is connected to the liquid outlet, a liquid conveying mechanism and a pH adjusting mechanism are connected to the side wall of the container 1, the liquid conveying mechanism is used for conveying the liquid to be detected in the container 1 into the pH measuring tank 2, and the pH adjusting mechanism is used for adjusting the pH value of the liquid to be detected in the container 1;
the inside of the pH measuring tank 2 is connected with a thermocouple 4 and a pH electrode group, the thermocouple 4 is used for measuring the temperature of the liquid to be measured in the pH measuring tank 2, and the pH electrode group is used for measuring the pH value of the liquid to be measured in the pH measuring tank 2;
the bottom side of the inside of the pH measuring tank 2 is connected with a fourth liquid level sensor 6.4, and the upper part of the inside of the pH measuring tank 2 is connected with a fifth liquid level sensor 6.5;
an eighth pipeline 7.8 is connected to the lower portion of the side wall of the pH measuring tank 2, the eighth pipeline 7.8 is connected to a return port in the upper portion of the side wall of the container 1 through a third quick connector 15.3, a fifteenth electromagnetic valve 3.15 and a sixteenth electromagnetic valve 3.16 are sequentially arranged on the eighth pipeline 7.8 along the flowing direction of liquid, an eleventh pipeline 7.11 is connected between the fifteenth electromagnetic valve 3.15 and the sixteenth electromagnetic valve 3.16, the eleventh pipeline 7.11 is connected to a twelfth pipeline 7.12, and a seventeenth electromagnetic valve 3.17 is connected to the eleventh pipeline 7.11
The bottom of the pH measuring tank 2 is connected with a twelfth pipeline 7.12, the twelfth pipeline 7.12 is connected with a second check valve 16.2, and the bottom of the twelfth pipeline 7.12 is connected with a second quick connector 15.2;
the lower part of the side wall of the pH measuring tank 2 is connected with a seventh pipeline 7.7, the seventh pipeline 7.7 is connected with a first electromagnetic valve 3.1, and the tail end of the seventh pipeline 7.7 is connected with an infusion mechanism through a first quick connector 15.1;
the side wall of the pH measuring tank 2 is connected with a pH electrode correcting mechanism.
Further, the transfusion mechanism comprises a first pipeline 7.1, a second pipeline 7.2 and a third pipeline 7.3 which are connected with the side wall of the container 1 from top to bottom in sequence,
a tenth electromagnetic valve 3.10 and a first infusion pump 9.1 are sequentially connected to the first pipeline 7.1, and a first liquid level sensor 6.1 is connected to the inner wall of the container 1 and above the first pipeline 7.1;
an eleventh electromagnetic valve 3.11 and a second infusion pump 9.2 are sequentially connected to the second pipeline 7.2, and a second liquid level sensor 6.2 is connected to the inner wall of the container 1 and above the second pipeline 7.2;
a twelfth electromagnetic valve 3.12 and a third infusion pump 9.3 are sequentially connected to the third pipeline 7.3, and a third liquid level sensor 6.3 is connected to the inner wall of the container 1 and above the third pipeline 7.3.
Further, the pH adjusting mechanism comprises an acid tank 18.1 and an alkali tank 18.2, an acid adjusting liquid is stored in the acid tank 18.1, the bottom of the acid tank 18.1 is connected to the upper part of the side wall of the container 1 through a ninth pipeline 7.9, and the ninth pipeline 7.9 is sequentially connected with a first metering pump 17.1, a fourth filter 8.4 and a thirteenth electromagnetic valve 3.13;
an alkali regulating solution is stored in the alkali tank 18.2, the bottom of the alkali tank 18.2 is connected to the upper part of the side wall of the container 1 through a tenth pipeline 7.10, and a second metering pump 17.2, a fifth filter 8.5 and a fourteenth electromagnetic valve 3.14 are sequentially connected to the tenth pipeline 7.10.
The pH electrode group comprises a first pH electrode 5.1 and a second pH electrode 5.2, and the two pH electrodes can be mutually referenced or can be reserved as a spare.
The top of the pH measuring tank 2 is connected with a breather 10, the bottom of the breather 10 is connected with a third electromagnetic valve 3.3, and the inside of the breather 10 is provided with a sterilizing filter.
Further, the pH electrode correction mechanism comprises a first pH electrode buffer liquid tank 11.1, a second pH electrode buffer liquid tank 11.2 and a third pH electrode buffer liquid tank 11.3 which are filled with electrode correction liquids with different solubilities,
the bottom of the first pH electrode buffer liquid tank 11.1 is connected to the side wall of the pH measuring tank 2 through a fourth pipeline 7.4, and a fourth infusion pump 9.4, a first filter 8.1 and a fourth electromagnetic valve 3.4 are sequentially connected to the fourth pipeline 7.4;
the bottom of the second pH electrode buffer liquid tank 11.2 is connected to the side wall of the pH measuring tank 2 through a fifth pipeline 7.5, and a fifth infusion pump 9.5, a second filter 8.2 and a fifth electromagnetic valve 3.5 are sequentially connected to the fifth pipeline 7.5;
the bottom of the third pH electrode buffer solution tank 11.3 is connected to the side wall of the pH measuring tank 2 through a sixth pipeline 7.6, and a sixth infusion pump 9.6, a third filter 8.3 and a sixth electromagnetic valve 3.6 are sequentially connected to the sixth pipeline 7.6.
The implementation mode is as follows:
and (3) correction:
the first quick connector 15.1 is connected with the seventh pipeline 7.7 of the container 1, the third quick connector 15.3 is connected with the eighth pipeline 7.8 of the container 1, and the second quick connector 15.2 is connected with the sewage discharge pipeline.
The pH measuring tank 2, the container 1 and the connecting pipe are steam sterilized before use.
Firstly, pH correction fluid enters a pH measuring tank 2 through a first pH electrode buffer fluid tank 11.1, a fourth infusion pump 9.4, a first filter 8.1 and a fourth electromagnetic valve 3.4, at the moment, the third electromagnetic valve 3.3 on a respirator 10 is opened to balance the internal and external pressures, and the liquid level reachesAnd executing a pH electrode flushing program after the fourth liquid level sensor 6.4, opening the second check valve 16.2, and simultaneously continuously pumping the buffer solution in the first pH electrode buffer solution tank 11.1 by the fourth infusion pump 9.4, and stopping after a specified time. And the buffers in the second pH electrode buffer solution tank 11.2 and the third pH electrode buffer solution tank 11.3 repeatedly execute the steps until the pH electrode value reaches the specified requirement, and then the pH electrode correction process is stopped. The pH correction fluid can be potassium hydrogen phthalate solution, mixed salt solution of potassium dihydrogen phosphate and disodium hydrogen phosphate, borax solution, KHC8H4O4And the like.
Measurement:
entering a measuring program, the microcomputer judges the liquid level height through the first liquid level sensor 6.1, the second liquid level sensor 6.2 and the third liquid level sensor 6.3 of the container 1, and if the liquid levels are sensed by the second liquid level sensor 6.2 and the third liquid level sensor 6.3, the first infusion pump 9.1 and the second infusion pump 9.2 on the second pipeline 7.2 and the third pipeline 7.3 are started. If the first level sensor 6.1, the second level sensor 6.2, the third level sensor 6.3 sense the liquid level, the first infusion pump 9.1, the second infusion pump 9.2 and the third infusion pump 9.3 are started to pump liquid quantitatively into the seventh pipe 7.7 at the same time.
Liquid to be measured enters the pH measuring tank 2 through the seventh pipeline 7.7, and when liquid is sensed by the fourth liquid level sensor, the third electromagnetic valve 3.3 on the respirator 10 is controlled to be opened, the atmosphere is switched on, and the pressure in the measuring tank is kept stable. When the liquid level height reaches the fifth liquid level sensing, executing a measuring tank flushing program, flushing the residual pH correction liquid in the pH measuring tank by using the liquid to be measured, ensuring the stability of the measurement, opening the second check valve 16.2 on the twelfth pipeline 7.12 at the moment, discharging the liquid to be measured, closing the second check valve 16.2 after the fourth liquid level sensing senses that no liquid exists in the measuring tank, repeating the step for 3 times (the flushing times can be adjusted according to the requirement), pumping the liquid to be measured, measuring the pH value of the liquid to be measured by using the pH electrode, opening the fifteenth electromagnetic valve 3.15 and the sixteenth electromagnetic valve 3.16 after the value is stable, and enabling the liquid to be measured to flow back to the container 1 through the eighth pipeline 7.8, and finishing the measurement.
Adjusting: and after the pH value of the liquid to be measured is obtained, the value is transmitted back to the microcomputer, the ninth pipeline 7.9 and the first metering pump 17.1 and the second metering pump 17.2 on the tenth pipeline 7.10 are controlled as required, acid or alkali regulating liquid is pumped into the liquid to be measured, the liquid to be measured is pumped into the pH measuring tank 2 through the seventh pipeline 7.7 again, the pH value is measured, and the pH measuring and adjusting processes are repeated until the pH value reaches the required value.
Can be right the utility model discloses further optimize, as follows:
1. the utility model discloses still include electrode conservation fluid reservoir 12 and deionized water jar 13, the lateral wall upper portion of pH measuring tank 2 still is connected with thirteenth pipeline 7.13, is connected with eighteenth solenoid valve 3.18, sixth filter 8.6 and seventh transfer pump 9.7 on the thirteenth pipeline 7.13 in proper order, the bottom of electrode conservation fluid reservoir 12 is connected to the inlet of seventh transfer pump 9.7 through nineteenth solenoid valve 3.19, and the bottom of deionized water jar 13 is connected to the inlet of seventh transfer pump 9.7 through twentieth solenoid valve 3.20. The electrode preservation solution in the electrode preservation solution tank 12 is used for filling the preservation solution into the pH measuring tank 2 when the pH electrode is not used, and soaking the first pH electrode 5.1 and the second pH electrode 5.2 to prevent the electrode from aging. The deionized water tank 13 inside the deionized water tank 13 washes the electrode before use with water.
2. The top of the respirator 10 is connected with a T-shaped clean air pressure pipeline 14, and the transverse pipeline of the clean air pressure pipeline 14 is sequentially connected with an eighth electromagnetic valve 3.8 and a ninth electromagnetic valve 3.9. When the liquid (to-be-measured liquid and correction liquid) in the pH measuring tank 2 needs to be discharged through the second check valve 16.2, the eighth electromagnetic valve 3.8 is closed, the ninth electromagnetic valve 3.9 is opened, clean air is introduced to accelerate the liquid discharge, and the inner wall of the pH measuring tank 2 is dried by utilizing the clean air pressure to reduce the liquid residue.
3. The bottom of the inner side of the pH measuring tank 2 is provided with a first stirring device, when a correction liquid and a liquid to be measured exist in the pH measuring tank 2 during correction and measurement, the fourth electromagnetic valve 3.4, the fifth electromagnetic valve 3.5, the sixth electromagnetic valve 3.6, the fifteenth electromagnetic valve 3.15 and the second check valve 16.2 are all in a closed state, the internal liquid is in a static state, the first stirring device (such as a stirring paddle or a magnetic stirrer) continuously stirs in the correction and measurement processes, the uniform mixing effect of the solution is enhanced, and the accuracy of a pH measured value is improved.
4. Furthermore, the container 1 has a second stirring device inside. When the pH measuring tank 2 contains the correction liquid and the liquid to be measured during correction and measurement, the first electromagnetic valve 3.1, the fifteenth electromagnetic valve 3.15 and the sixteenth electromagnetic valve 3.16 are in an open state. Liquid to be measured respectively passes through a first infusion pump 9.1, a second infusion pump 9.2 and a third infusion pump 9.3 from a first pipeline 7.1, a second pipeline 7.2 and a third pipeline 7.3 of the container 1 to pump liquid to be measured at different heights into a seventh pipeline 7.7 in equal quantity, so that the liquid to be measured enters a pH measuring tank 2 through the seventh pipeline 7.7 and then flows back to the container 1 through an eighth pipeline 7.8, a second stirring device (such as a stirring paddle or a magnetic stirrer) continuously stirs in the correction and measurement processes, the liquid to be measured is continuously circulated while the uniform mixing effect of the solution is enhanced, and the liquid to be measured in the pH measuring tank 2 is ensured to be consistent with the liquid in the container 1.
The practice of the present invention has been described with reference to the accompanying drawings, but the invention is not limited to the embodiments described above, which are illustrative rather than limiting, and it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. An independent pH measuring and adjusting device, characterized in that: comprises a container and a pH measuring tank,
the liquid to be detected is stored in the container, a liquid outlet is formed in the bottom of the container, a first electromagnetic valve is connected to the liquid outlet, a liquid conveying mechanism and a pH adjusting mechanism are connected to the side wall of the container, the liquid conveying mechanism is used for conveying the liquid to be detected in the container into the pH measuring tank, and the pH adjusting mechanism is used for adjusting the pH value of the liquid to be detected in the container;
the thermocouple and the pH electrode group are connected inside the pH measuring tank, the thermocouple is used for measuring the temperature of liquid to be measured inside the pH measuring tank, and the pH electrode group is used for measuring the pH value of the liquid to be measured inside the pH measuring tank;
the bottom side of the inside of the pH measuring tank is connected with a fourth liquid level sensor, and the upper part of the inside of the pH measuring tank is connected with a fifth liquid level sensor;
the pH measuring tank is characterized in that an eighth pipeline is connected to the lower portion of the side wall of the pH measuring tank, the eighth pipeline is connected to a backflow port in the upper portion of the side wall of the container through a third quick connector, a fifteenth electromagnetic valve and a sixteenth electromagnetic valve are sequentially arranged on the eighth pipeline in the flowing direction of liquid, an eleventh pipeline is connected between the fifteenth electromagnetic valve and the sixteenth electromagnetic valve, the eleventh pipeline is connected to the twelfth pipeline, and a seventeenth electromagnetic valve is connected to the eleventh pipeline
The bottom of the pH measuring tank is connected with a twelfth pipeline, the twelfth pipeline is connected with a second electromagnetic valve, and the bottom of the twelfth pipeline is connected with a second quick connector;
the lower part of the side wall of the pH measuring tank is connected with a seventh pipeline, the seventh pipeline is connected with a first electromagnetic valve, and the tail end of the seventh pipeline is connected with an infusion mechanism through a first quick connector;
and the side wall of the pH measuring tank is connected with a pH electrode correction mechanism.
2. A self-contained pH measuring and adjusting device according to claim 1, characterized in that: the transfusion mechanism sequentially comprises a first pipeline, a second pipeline and a third pipeline which are sequentially connected with the side wall of the container from top to bottom,
a tenth electromagnetic valve and a first infusion pump are sequentially connected to the first pipeline, and a first liquid level sensor is connected to the inner wall of the container and above the first pipeline;
an eleventh electromagnetic valve and a second infusion pump are sequentially connected to the second pipeline, and a second liquid level sensor is connected to the inner wall of the container and above the second pipeline;
a twelfth electromagnetic valve and a third infusion pump are sequentially connected to the third pipeline, and a third liquid level sensor is connected to the inner wall of the container and above the third pipeline.
3. A self-contained pH measuring and adjusting device according to claim 1, characterized in that: the pH adjusting mechanism comprises an acid tank and an alkali tank, acid adjusting liquid is stored in the acid tank, the bottom of the acid tank is connected to the upper part of the side wall of the container through a ninth pipeline, and a first metering pump, a fourth filter and a thirteenth electromagnetic valve are sequentially connected to the ninth pipeline;
the inside storage of alkali jar has alkali regulation liquid, and the bottom of alkali jar is connected to the upper portion of container lateral wall through the tenth pipe connection, is connected with second measuring pump, fifth filter and fourteenth solenoid valve on the tenth pipeline according to the preface.
4. A self-contained pH measuring and adjusting device according to claim 1, characterized in that: the pH electrode set includes a first pH electrode and a second pH electrode.
5. A self-contained pH measuring and adjusting device according to claim 1, characterized in that: the top of the pH measuring tank is connected with a respirator, the bottom of the respirator is connected with a third electromagnetic valve, and a sterilizing filter is arranged in the respirator.
6. A self-contained pH measuring and adjusting device according to claim 5, characterized in that: the top of the respirator is connected with a T-shaped clean air pressure pipeline, and a transverse pipeline of the clean air pressure pipeline is sequentially connected with an eighth electromagnetic valve and a ninth electromagnetic valve.
7. A self-contained pH measuring and adjusting device according to claim 1, characterized in that: the pH electrode correction mechanism comprises a first pH electrode buffer liquid tank, a second pH electrode buffer liquid tank and a third pH electrode buffer liquid tank which are filled with electrode correction liquids with different solubilities,
the bottom of the first pH electrode buffer liquid tank is connected to the side wall of the pH measuring tank through a fourth pipeline, and a fourth infusion pump, a first filter and a fourth electromagnetic valve are sequentially connected to the fourth pipeline;
the bottom of the second pH electrode buffer liquid tank is connected to the side wall of the pH measuring tank through a fifth pipeline, and a fifth infusion pump, a second filter and a fifth electromagnetic valve are sequentially connected to the fifth pipeline;
the bottom of the third pH electrode buffer liquid tank is connected to the side wall of the pH measuring tank through a sixth pipeline, and a sixth infusion pump, a third filter and a sixth electromagnetic valve are sequentially connected to the sixth pipeline.
8. A self-contained pH measuring and adjusting device according to claim 1, characterized in that: it still includes electrode conservation fluid reservoir and deionized water jar, the lateral wall upper portion of pH measurement jar still is connected with the thirteenth pipeline, is connected with eighteenth solenoid valve, sixth filter and seventh transfer pump on the thirteenth pipeline according to the preface, the bottom of electrode conservation fluid reservoir is connected to the inlet of seventh transfer pump through nineteenth solenoid valve, and the bottom of deionized water jar is connected to the inlet of seventh transfer pump through twentieth solenoid valve.
9. A self-contained pH measuring and adjusting device according to claim 1, characterized in that: the inner bottom of the pH measuring tank is provided with a first stirring device.
10. A self-contained pH measuring and adjusting device according to claim 1, characterized in that: the container is internally provided with a second stirring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023339781.7U CN214346451U (en) | 2020-12-31 | 2020-12-31 | Independent pH measuring and adjusting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023339781.7U CN214346451U (en) | 2020-12-31 | 2020-12-31 | Independent pH measuring and adjusting device |
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| CN214346451U true CN214346451U (en) | 2021-10-08 |
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| CN202023339781.7U Active CN214346451U (en) | 2020-12-31 | 2020-12-31 | Independent pH measuring and adjusting device |
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| CN (1) | CN214346451U (en) |
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