CN219675949U

CN219675949U - PH value measurement sampling equipment

Info

Publication number: CN219675949U
Application number: CN202320635215.5U
Authority: CN
Inventors: 彭辰炫
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-09-12
Anticipated expiration: 2033-03-28

Abstract

The utility model is suitable for the technical field of pH value measurement, and provides pH value measurement sampling equipment, when in measurement, a cleaning switch is closed, a pump body assembly is started, solution in a reaction kettle is sucked out by the pump body assembly and enters a four-way connecting piece, and a pH meter probe arranged on the four-way connecting piece is used for measuring the pH value of the solution, so that the online measurement of the pH value is conveniently, quickly and safely completed; when the cleaning device is used for cleaning, the cleaning switch is turned on, the pump body component is turned off, the cleaning source is used for flushing the pH meter probe, the cleaning switch is turned off after the cleaning source is flushed for a set time, and the pH meter probe is soaked in residual cleaning source liquid in the four-way connecting piece, so that the H meter probe is cleaned, the measurement accuracy is improved, and the pH meter probe is effectively prevented from being damaged due to long-time exposure to air.

Description

PH value measurement sampling equipment

Technical Field

The utility model belongs to the technical field of pH value measurement, and particularly relates to pH value measurement sampling equipment.

Background

At present, when the pH value of strong acid, strong alkali and high-temperature solution in a reaction kettle is measured, a pH meter probe is required to be installed in the reaction kettle to be in direct contact with a medium, the measurement is inaccurate due to severe working conditions and easy pollution of the pH meter probe, and the pH meter probe is exposed to the air for a long time when the reaction kettle is not used for continuous production, so that the pH meter probe is damaged.

Disclosure of Invention

The embodiment of the utility model provides a pH value measuring and sampling device, which can solve the problems of reduced measuring accuracy caused by pollution of a pH meter probe and damage of the pH meter probe caused by long-time exposure to air.

The embodiment of the utility model provides a pH value measuring and sampling device, which is characterized by comprising:

the feeding port of the pump body assembly is communicated with the reaction kettle, and the driving end of the pump body assembly is connected with a driving source;

the first port of the four-way connecting piece is communicated with the discharge port of the pump body component;

the feed inlet of the cleaning switch is communicated with a cleaning source, the discharge outlet of the cleaning switch is communicated with the second port of the four-way connecting piece, a pH meter probe is arranged in the third port of the four-way connecting piece, and the fourth port of the four-way connecting piece is communicated with the reaction kettle.

Optionally, the pH value measuring and sampling device further comprises a controller, one end of the pH meter probe, far away from the four-way connecting piece, is electrically connected with a pH meter signal wire, and the output end of the controller is electrically connected with the control end of the pump body assembly, the control end of the cleaning switch and the pH meter signal wire respectively.

Optionally, the pump body subassembly includes air inlet solenoid valve and diaphragm pump, and air outlet and the air inlet of diaphragm pump of air inlet solenoid valve are linked together, and the air inlet of air inlet solenoid valve is linked together with the actuating source, and the feed inlet and the reation kettle of diaphragm pump are linked together, and the discharge gate and the first port of cross connecting piece of diaphragm pump are linked together, and the control end of air inlet solenoid valve is connected with the output electricity of controller.

Optionally, the pH measuring and sampling device further comprises a manual sampling valve, and a feed inlet of the manual sampling valve is communicated with a discharge outlet of the pump body assembly.

Optionally, the pH measuring and sampling device further comprises a funnel, wherein a large diameter end of the funnel is aligned with a discharge port of the manual sampling valve, and a small diameter end of the funnel is communicated with the reaction kettle.

Optionally, a cleaning nozzle is arranged in the second port of the four-way connecting piece, and a discharge port of the cleaning switch is communicated with the cleaning nozzle.

Optionally, the pH measuring and sampling device further comprises a measuring button and a cleaning button, both of which are electrically connected with the controller.

Optionally, the pH value measuring and sampling device further comprises a blowdown solenoid valve, a feed port of the blowdown solenoid valve is communicated with the first port of the four-way connecting piece, a discharge port of the blowdown solenoid valve is communicated with the reaction kettle, and a control end of the blowdown solenoid valve is electrically connected with an output end of the controller.

The scheme of the utility model has the following beneficial effects:

in the embodiment of the utility model, during measurement, the cleaning switch is closed, the pump body assembly is started, the solution in the reaction kettle is sucked out by the pump body assembly and enters the four-way connecting piece, and the pH value of the solution is measured by the pH meter probe arranged on the four-way connecting piece, so that the online measurement of the pH value is conveniently, quickly and safely completed; when the cleaning device is used for cleaning, the cleaning switch is turned on, the pump body component is turned off, the cleaning source is used for flushing the pH meter probe, the cleaning switch is turned off after the cleaning source is flushed for a set time, and the flushing is stopped, so that the pH meter probe is soaked in residual cleaning source liquid in the four-way connecting piece, the pH meter probe is cleaned, the measurement accuracy is improved, and the pH meter probe is prevented from being damaged due to long-time exposure to the air.

Other advantageous effects of the present utility model will be described in detail in the detailed description section which follows.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a pH measurement sampling apparatus according to an embodiment of the present utility model.

[ reference numerals description ]

1. A reaction kettle; 2. a pump body assembly; 3. a driving source; 4. cleaning the nozzle; 5. a four-way connecting piece; 6. cleaning a switch; 7. a cleaning source; 8. a blowdown solenoid valve; 9. a pH meter probe; 10. a controller; 11 an air inlet electromagnetic valve; 12. a diaphragm pump; 13. a manual sampling valve; 14. and (5) a funnel.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present utility model. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present utility model with unnecessary detail.

It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It should also be understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

As used in the present description and the appended claims, the term "if" may be interpreted as "when..once" or "in response to a determination" or "in response to detection" depending on the context. Similarly, the phrase "if a determination" or "if a [ described condition or event ] is detected" may be interpreted in the context of meaning "upon determination" or "in response to determination" or "upon detection of a [ described condition or event ]" or "in response to detection of a [ described condition or event ]".

Furthermore, the terms "first," "second," "third," and the like in the description of the present specification and in the appended claims, are used for distinguishing between descriptions and not necessarily for indicating or implying a relative importance.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

At present, when the pH value of strong acid, strong alkali and high-temperature solution in a reaction kettle is measured, a pH meter probe is required to be installed in the reaction kettle, the pH meter probe is easy to be polluted to cause inaccurate measurement due to severe working conditions, and the pH meter probe is damaged due to the fact that the reaction kettle is not continuously produced in most cases, and the pH meter probe is exposed to the air when the reaction kettle is not produced.

Aiming at the problems, the embodiment of the utility model provides the pH value measuring and sampling equipment, when in measurement, the cleaning switch is closed, the pump body component is started, the solution in the reaction kettle is sucked out by the pump body component and enters the four-way connecting piece, and the pH value of the solution is measured by the pH meter probe arranged on the four-way connecting piece, so that the online measurement of the pH value is conveniently, quickly and safely completed; when the cleaning device is used for cleaning, the cleaning switch is turned on, the pump body component is turned off, the cleaning source is used for flushing the pH meter probe, the cleaning switch is turned off after the cleaning source is flushed for a set time, and the flushing is stopped, so that the pH meter probe is soaked in residual cleaning source liquid in the four-way connecting piece, the pH meter probe is cleaned, the measurement accuracy is improved, and the pH meter probe is prevented from being damaged due to long-time exposure to the air.

The pH measurement sampling apparatus provided by the present utility model will be exemplarily described with reference to specific examples.

As shown in fig. 1, the pH measuring and sampling apparatus includes: pump body assembly 2, cross connecting piece 5, cleaning switch 6, pH meter probe 9.

The feeding port of the pump body assembly 2 is communicated with the reaction kettle 1, and the driving end of the pump body assembly 2 is connected with a driving source 3; the first port of the four-way connecting piece 5 is communicated with the discharge port of the pump body assembly 2; the feed inlet intercommunication cleaning source 7 of cleaning switch 6, the discharge gate of cleaning switch 6 is linked together with the second port of cross connecting piece 5, is equipped with pH meter probe 9 in the third port of cross connecting piece 5, and the fourth port of cross connecting piece 5 is linked together with reation kettle 1.

When the pH value measurement sampling equipment is used for measuring, the cleaning switch 6 is closed, the pump body assembly 2 is opened, the solution in the reaction kettle 1 is sucked out by the pump body assembly 2 and enters the four-way connecting piece 5, and the pH value of the solution is measured by the pH meter probe 9 arranged on the four-way connecting piece 5 (wherein the solution in the four-way connecting piece 5 can flow back into the reaction kettle 1 through the fourth port), so that the online measurement of the pH value is conveniently, quickly and safely completed; during cleaning, the cleaning switch 6 is opened, the pump body assembly 2 is closed, the cleaning source 7 is utilized to flush the pH meter probe 9, the cleaning switch 6 is closed to stop flushing after the set time is reached (wherein the cleaning source 7 in the four-way connecting piece 5 can flow back to the reaction kettle 1 through the fourth port, and as the fourth port is the top port of the four-way connecting piece 5, cleaning source liquid remains in the four-way connecting piece 5), the pH meter probe 9 is soaked in the remaining cleaning source liquid in the four-way connecting piece 5, so that the measurement accuracy of the pH meter probe is improved, and the damage of the pH meter probe due to long-time exposure in the air is effectively avoided.

In some embodiments of the present utility model, the discharge port of the pump body assembly 2 communicates with the first port of the four-way connection 5 via a conduit comprising a first portion and a second portion in communication with each other, the first portion communicating with the discharge port of the pump body assembly 2 and the second portion communicating with the first port of the four-way connection 5. The end of the first portion is higher than the first port of the four-way connector in order to leave the cleaning source liquid in the four-way connector 5.

In some embodiments of the present utility model, the cleaning switch 6 may be a manual switch or an electric switch (e.g. a solenoid valve).

In some embodiments of the present utility model, as shown in fig. 1, the pH measuring and sampling apparatus further includes a controller 10, wherein a pH meter signal line is electrically connected to an end of the pH meter probe 9 away from the four-way connector 5, and an output end of the controller 10 is electrically connected to a control end of the pump body assembly 2, a control end of the cleaning switch 6, and the pH meter signal line, respectively.

In some embodiments of the present utility model, when the purge switch 6 is an electric switch, the open/close state of the purge switch 6 is automatically controlled by the controller 10.

In some alternative embodiments, the pH value measuring and sampling device further includes a blowdown solenoid valve 8, a feed port of the blowdown solenoid valve 8 is connected to the first port of the four-way connecting piece 5, a discharge port of the blowdown solenoid valve 8 is connected to the reaction kettle 1, and a control end of the blowdown solenoid valve 8 is electrically connected to an output end of the controller 10.

When the pH value measuring and sampling equipment is used for measuring, the controller 10 controls the pump body assembly 2 to be opened, the blowdown electromagnetic valve 8 and the cleaning switch 6 to be closed, the solution in the reaction kettle 1 is sucked out by the pump body assembly 2 and enters the four-way connecting piece 5, and the pH value of the solution is measured by the pH meter probe 9 arranged on the four-way connecting piece 5 (wherein the solution in the four-way connecting piece 5 can flow back into the reaction kettle 1 through the fourth port), so that the online measurement of the pH value is conveniently, quickly and safely completed; during cleaning, the controller 10 controls the pump body assembly 2 to be closed, the cleaning switch 6 and the blowdown electromagnetic valve 8 to be opened, the cleaning source 7 is utilized to flush the pH meter probe 9, the controller can firstly close the blowdown electromagnetic valve 8 after the flushing is carried out for a set time, and then the cleaning switch 6 is closed for a time delay to stop flushing, and the pH meter probe 9 is soaked in residual cleaning source liquid in the four-way connecting piece 5, so that the measurement accuracy of the pH meter probe is improved, and the damage of the pH meter probe caused by long-time exposure in the air is effectively avoided.

It should be noted that after the blowdown solenoid valve 8 is disposed, the cleaning source 7 can flow from the first port of the four-way connecting piece 5 to the reaction kettle 1, so that the cleaning is more thorough and the effect is better.

In some embodiments of the present utility model, as shown in fig. 1, the pump body assembly 2 includes an air inlet electromagnetic valve 11 and a diaphragm pump 12, an air outlet of the air inlet electromagnetic valve 11 is communicated with an air inlet of the diaphragm pump 12, an air inlet of the air inlet electromagnetic valve 11 is communicated with the driving source 3, a feed inlet of the diaphragm pump 12 is communicated with the reaction kettle 1, a discharge outlet of the diaphragm pump 12 is communicated with a first port of the four-way connecting piece 5, and a control end of the air inlet electromagnetic valve 11 is electrically connected with an output end of the controller 10.

When the pH value measuring and sampling equipment is used for measuring, the controller 10 controls the air inlet electromagnetic valve 11 to be opened, the pollution discharge electromagnetic valve 8 and the cleaning switch 6 to be closed, the solution in the reaction kettle 1 is sucked out by the diaphragm pump 12 and enters the four-way connecting piece 5, and the pH value of the solution is measured by the pH meter probe 9 arranged on the four-way connecting piece 5 (wherein the solution in the four-way connecting piece 5 can flow back into the reaction kettle 1 through the fourth port), so that the online measurement of the pH value is conveniently, quickly and safely completed; during cleaning, the controller 10 controls the air inlet electromagnetic valve 11, the cleaning switch 6 and the blowdown electromagnetic valve 8 to be opened, the cleaning source 7 is utilized to flush the pH meter probe 9, the controller firstly closes the blowdown electromagnetic valve 8 after the flushing is carried out for a set time, and then the cleaning switch 6 is closed for a delay time to stop flushing, and the pH meter probe 9 is soaked in residual cleaning source liquid in the four-way connecting piece 5, so that the measurement accuracy of the pH meter probe is improved, and the damage of the pH meter probe due to long-time exposure in the air is effectively avoided.

In some embodiments of the present utility model, as shown in fig. 1, the pH measuring and sampling apparatus further includes a manual sampling valve 13, where a feed inlet of the manual sampling valve 13 is connected to a discharge outlet of the pump body assembly 2. The manual sampling valve 13 is used for manual sampling, and when necessary, manual sampling can be performed through the manual sampling valve 13. The manual sampling process may be, for example, to prepare a container, which may be a measuring cup, place it at the discharge port of the manual sampling valve 13, and in the pH measurement process, open the manual sampling valve 13 to conveniently and rapidly obtain the solution in the reaction kettle 1 without manually scooping.

In some embodiments of the present utility model, as shown in fig. 1, the pH measuring and sampling apparatus further includes a funnel 14, wherein a large diameter end of the funnel 14 is aligned with a discharge port of the manual sampling valve 13, a small diameter end of the funnel 14 is connected to the reaction vessel 1, and the funnel 14 can recover the solution splashed or spilled during the manual sampling and recycle the solution to the reaction vessel 1.

In some embodiments of the present utility model, as shown in fig. 1, a cleaning nozzle 4 is disposed in the second port of the four-way connection piece 5, and a discharge port of the cleaning switch 6 is communicated with the cleaning nozzle 4. The above-described cleaning nozzle 4 is used to better clean the pH meter probe 9.

In some embodiments of the present utility model, as shown in fig. 1, the pH measuring and sampling apparatus further includes a measuring button and a cleaning button, each of which is electrically connected to the controller 10.

When the pH value of the solution in the reaction kettle 1 needs to be measured, the measurement button is opened, the controller 10 controls the pump body assembly 2 to be opened according to the signal sent by the measurement button, the blowdown solenoid valve 8 and the cleaning switch 6 are closed, the solution in the reaction kettle 1 is sucked out by the pump body assembly 2 and enters the four-way connecting piece 5, and the pH meter probe 9 in the four-way connecting piece 5 performs pH value measurement on the solution (wherein the solution in the four-way connecting piece 5 flows back into the reaction kettle 1 through the fourth port); during cleaning, the controller 10 can control the pump body assembly 2 to be closed according to signals sent by the cleaning button by opening the cleaning button, the blowdown solenoid valve 8 and the cleaning switch 6 are opened, the cleaning source 7 enters the four-way connecting piece 5 through the cleaning switch 6 to clean the pH meter probe 9, after the cleaning is finished for a preset cleaning time, the controller 10 can control the cleaning switch 6 to be closed firstly, and then the blowdown solenoid valve 8 is closed in a delayed manner, and cleaning source liquid is reserved in the four-way connecting piece 5 at the moment, so that the pH meter probe 9 is soaked in the cleaning source liquid to avoid being damaged due to long-time exposure to air.

It should be noted that, when the cleaning button is opened independently, the controller 10 controls the pump body assembly 2 to be turned off according to the signal sent by the cleaning switch, the blowdown solenoid valve 8 and the cleaning switch 6 are turned on, the cleaning source 7 enters the four-way connecting piece 5 through the cleaning switch 6 to clean the pH meter probe 9, after the cleaning time is preset, the controller 10 controls the blowdown solenoid valve 8 and the cleaning switch 6 to be turned off after the cleaning is completed.

In some alternative embodiments, the controller may close the purge switch 6 first and then close the blowdown solenoid valve 8 with a delay.

It should be noted that, the controller 10 receives signals sent by the cleaning button and the measuring button, controls the pump body assembly 2, the blowdown solenoid valve 8 and the cleaning switch 6 to be turned on/off, controls the blowdown solenoid valve 8 and the cleaning switch 6 to be turned off when the set time is reached, and the like are functions of the controller 10 itself.

In some embodiments of the present utility model, as shown in fig. 1, the cleaning source 7 may be water (e.g., tap water) or other cleaning solution.

The use of water as the cleaning source 7 can save costs and has less influence on the solution in the reaction vessel 1.

In some embodiments of the present utility model, as shown in fig. 1, the driving source 3 may be compressed air. The compressed air is used to power the diaphragm pump.

In some embodiments of the present utility model, as shown in fig. 1, the controller may be a Programmable Logic (PLC) controller. The controller 10 is used for controlling the start and stop of the pump body assembly 2 and the opening and closing of the electromagnetic valve. The controller 10 may be a microcomputer or other devices capable of controlling the start and stop of the pump body assembly 2 and the opening and closing of the electromagnetic valve.

In some embodiments of the present utility model, the pH measuring and sampling device further includes a pH meter, and the pH meter signal line is electrically connected to a receiving end of the pH meter. The pH meter is used for acquiring measurement data of the pH meter probe 9, and can display the numerical value on a screen of the pH meter.

It will be appreciated that the functions of the pH meter described above may be integrated on the controller 10.

In some embodiments of the present utility model, the pH measuring and sampling device may be further externally connected with a power source, and the power source may be electrically connected to the controller 10, the diaphragm pump 12, and the like, respectively. The power supply can enable the pH value measurement sampling device to continuously and stably operate.

In some embodiments of the present utility model, the above-mentioned respective portions to be communicated may be communicated by a pipe. It should be noted that the above-mentioned pipe is selected on the basis of being not corroded by and not reacting with the solution in the reaction vessel.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.

Claims

1. A pH measurement sampling device, comprising:

the pump body assembly (2), a feed inlet of the pump body assembly (2) is communicated with the reaction kettle (1), and a driving end of the pump body assembly (2) is connected with a driving source (3);

the four-way connecting piece (5), a first port of the four-way connecting piece (5) is communicated with a discharge port of the pump body assembly (2);

the cleaning device comprises a cleaning switch (6), wherein a feed inlet of the cleaning switch (6) is communicated with a cleaning source (7), a discharge outlet of the cleaning switch (6) is communicated with a second port of a four-way connecting piece (5), a pH meter probe (9) is arranged in a third port of the four-way connecting piece (5), and a fourth port of the four-way connecting piece (5) is communicated with the reaction kettle (1).

2. The pH measuring and sampling device according to claim 1, further comprising a controller (10), wherein one end of the pH meter probe (9) away from the four-way connecting piece (5) is electrically connected with a pH meter signal line, and an output end of the controller (10) is electrically connected with a control end of the pump body assembly (2), a control end of the cleaning switch (6) and the pH meter signal line, respectively.

3. The pH value measurement sampling device according to claim 2, wherein the pump body assembly (2) comprises an air inlet electromagnetic valve (11) and a diaphragm pump (12), an air outlet of the air inlet electromagnetic valve (11) is communicated with an air inlet of the diaphragm pump (12), an air inlet of the air inlet electromagnetic valve (11) is communicated with the driving source (3), a feed inlet of the diaphragm pump (12) is communicated with the reaction kettle (1), a discharge outlet of the diaphragm pump (12) is communicated with a first port of the four-way connecting piece (5), and a control end of the air inlet electromagnetic valve (11) is electrically connected with an output end of the controller (10).

4. The pH measuring and sampling device according to claim 1, further comprising a manual sampling valve (13), wherein the feed inlet of the manual sampling valve (13) is in communication with the discharge outlet of the pump body assembly (2).

5. The pH measuring and sampling device according to claim 4, further comprising a funnel (14), wherein the large diameter end of the funnel (14) is aligned with the discharge port of the manual sampling valve (13), and the small diameter end of the funnel (14) is in communication with the reaction vessel (1).

6. The pH measuring and sampling device according to claim 1, wherein a cleaning nozzle (4) is provided in the second port of the four-way connection (5), and the discharge port of the cleaning switch (6) is communicated with the cleaning nozzle (4).

7. The pH measuring sampling device according to claim 2, further comprising a measuring button and a washing button, both of which are electrically connected to the controller (10).

8. The pH measurement sampling device according to claim 2, further comprising a blowdown solenoid valve (8), wherein a feed port of the blowdown solenoid valve (8) is communicated with the first port of the four-way connecting piece (5), a discharge port of the blowdown solenoid valve (8) is communicated with the reaction kettle (1), and a control end of the blowdown solenoid valve (8) is electrically connected with an output end of the controller (10).