CN220238548U - PH on-line monitoring equipment - Google Patents
PH on-line monitoring equipment Download PDFInfo
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- CN220238548U CN220238548U CN202321111785.0U CN202321111785U CN220238548U CN 220238548 U CN220238548 U CN 220238548U CN 202321111785 U CN202321111785 U CN 202321111785U CN 220238548 U CN220238548 U CN 220238548U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 75
- 239000007788 liquid Substances 0.000 claims abstract description 99
- 238000006243 chemical reaction Methods 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 238000004140 cleaning Methods 0.000 claims description 32
- 238000012806 monitoring device Methods 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 claims description 2
- 239000000523 sample Substances 0.000 abstract description 8
- 239000000243 solution Substances 0.000 description 25
- 238000005070 sampling Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses pH on-line monitoring equipment, which comprises: the device comprises a material taking pipe, a liquid return pipe, a circulating pump, a pH monitoring component and a monitoring pipe; one end of the material taking pipe is positioned below the liquid level of the reaction kettle, and a material taking valve is arranged on the material taking pipe; one end of the liquid return pipe is communicated with the reaction kettle, and a liquid return valve is arranged on the liquid return pipe; the liquid inlet end of the circulating pump is communicated with the other end of the material taking pipe, and the liquid outlet end of the circulating pump is communicated with the other end of the liquid return pipe; the both ends and the liquid return pipe intercommunication of monitor pipe, pH monitoring component set up on the monitor pipe. Through adopting the setting of getting material pipe, liquid return pipe, circulating pump, pH monitoring component and monitoring pipe, realized the pH value of automatic monitoring reation kettle solution, improve reation kettle pH detection's efficiency, improve pH meter electrode probe's life.
Description
Technical Field
The utility model relates to the field of pH detection, in particular to pH on-line monitoring equipment.
Background
The reaction kettle is a pressure vessel for completing the technological processes of vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation and the like, and has wide application. In the production process of some products, the pH value of the mixed solution in the reaction kettle needs to be strictly controlled in order to ensure the purity of the products, so that the pH value of the solution in the reaction kettle needs to be monitored regularly.
At present, the common method for measuring the pH of the solution in the reaction kettle is manual sampling, pipeline branch sampling and slurry pool detection. The manual sampling efficiency is low, and the pH value of the slurry cannot be measured continuously; the pipeline branch sampling has the problems that the slurry flow speed is too high, the probe electrode is extremely easy to wear, and the flushing is inconvenient; the pH value can not be timely displayed in the slurry tank detection, the probe electrode is difficult to wash, the existing pH meter sampling device is low in detection efficiency, difficult to clean and short in service life due to the problems, and the production cost of enterprises is increased.
Disclosure of Invention
The utility model mainly aims to provide pH on-line monitoring equipment, which aims to improve the efficiency of pH detection of a reaction kettle and the service life of an electrode probe of a pH meter.
In order to achieve the above object, the present utility model provides an online pH monitoring apparatus, comprising:
a material taking pipe, wherein one end of the material taking pipe is positioned below the liquid level of the reaction kettle, and a material taking valve is arranged on the material taking pipe;
one end of the liquid return pipe is communicated with the reaction kettle, and a liquid return valve is arranged on the liquid return pipe;
the liquid inlet end of the circulating pump is communicated with the other end of the material taking pipe, and the liquid outlet end of the circulating pump is communicated with the other end of the liquid return pipe;
a pH monitoring assembly; a kind of electronic device with high-pressure air-conditioning system
And the two ends of the monitoring pipe are communicated with the liquid return pipe, and the pH monitoring assembly is arranged on the monitoring pipe.
Optionally, the two ends of the monitoring tube are communicated with the liquid return tube between the liquid return valve and the liquid return port of the reaction kettle, and the flowing direction of the solution in the liquid return tube corresponding to the communicating position is from bottom to top.
Optionally, the pH monitoring assembly includes a detection box in communication with the monitoring tube and a pH meter disposed on the detection box.
Optionally, the upper end and the lower end of the detection box are respectively connected with a pH meter cleaning pipe and a liquid outlet pipe, the pH meter cleaning pipe is provided with a cleaning valve, and the liquid outlet pipe is provided with a liquid outlet valve;
the monitoring pipe is provided with a first monitoring valve and a second monitoring valve on two sides of the pH monitoring assembly.
Optionally, the upper end of the detection box is also connected with a buffer liquid pipe, and the buffer liquid pipe is provided with a buffer valve.
Optionally, the material taking pipe comprises a first pipeline and a second pipeline which are mutually communicated, one end of the first pipeline is positioned below the liquid level of the reaction kettle, one end of the second pipeline is communicated with the liquid inlet end of the circulating pump, and the material taking valve is arranged on the second pipeline;
the second pipeline is also provided with a first valve, and a pipeline cleaning pipe is arranged on the second pipeline and positioned between the first valve and the material taking valve in a communicating manner; the pipeline cleaning pipe is provided with a second valve.
Optionally, a pipe diameter size adapter is arranged on the second pipeline.
Optionally, the first conduit is a telescoping conduit.
Optionally, a glass tube sight glass is arranged on the liquid return tube.
According to the technical scheme, the arrangement of the material taking pipe, the liquid return pipe, the circulating pump and the pH monitoring assembly is adopted, so that the pH value of the reaction kettle solution is automatically monitored, the efficiency of pH detection of the reaction kettle is improved, and the service life of the pH meter electrode probe is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of an on-line pH monitoring device according to the present utility model;
fig. 2 is a schematic diagram of a pH on-line monitoring device according to a second embodiment of the present utility model.
The main reference numerals are as follows: the device comprises a material taking pipe 1, a material taking valve 11, a first pipeline 12, a second pipeline 13, a first valve 131, a pipe diameter size adapter 133, a liquid return pipe 2, a liquid return valve 21, a glass pipe sight glass 25, a third valve 26, a circulating pump 3, a pH monitoring component 4, a detection box 41, a pH meter 42, a pH meter cleaning pipe 43, a cleaning valve 431, a liquid outlet pipe 44, a liquid outlet valve 441, a buffer liquid pipe 45, a buffer valve 451, a monitoring pipe 5, a first monitoring valve 51, a second monitoring valve 52, a pipeline cleaning pipe 6, a second valve 62 and a reaction kettle 9.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model provides pH on-line monitoring equipment.
In an embodiment of the present utility model, as shown in fig. 1 to 2, the pH on-line monitoring apparatus includes: a material taking pipe 1, a liquid return pipe 2, a circulating pump 3, a pH monitoring component 4 and a monitoring pipe 5; one end of the material taking pipe 1 is positioned below the liquid level of the reaction kettle 9, and a material taking valve 11 is arranged on the material taking pipe 1; one end of the liquid return pipe 2 is communicated with the reaction kettle 9, a liquid return valve 21 is arranged on the liquid return pipe 2, a third valve 26 is also arranged on the liquid return pipe 2, and the pH monitoring assembly is communicated with the liquid return pipe 2 between the liquid return valve 21 and the third valve 26; the liquid inlet end of the circulating pump is communicated with the other end of the material taking pipe, and the liquid outlet end of the circulating pump 3 is communicated with the other end of the liquid return pipe; the both ends and the liquid return pipe 2 intercommunication of monitor pipe 5, pH monitoring component 4 set up on monitor pipe 5.
According to the technical scheme, through the arrangement of the material taking pipe 1, the liquid return pipe 2, the circulating pump 3, the pH monitoring assembly 4 and the monitoring pipe 5, the flowing of the reaction kettle solution through the pH monitoring assembly is realized, the automatic monitoring of the pH value of the reaction kettle solution is realized, the efficiency of the pH detection of the reaction kettle is improved, and the service life of the electrode probe of the pH meter is prolonged.
Specifically, the two ends of the monitoring tube 5 are communicated with the liquid return tube 2 between the liquid return valve 21 and the liquid return port of the reaction kettle 9, and the flowing direction of the solution in the liquid return tube 2 corresponding to the communicating position is from bottom to top. The two ends of the monitoring pipe 5 are communicated with each other and are arranged on the liquid return pipe 2 from bottom to top in the flowing direction of the solution, so that the pH monitoring component can be fully contacted with the solution of the reaction kettle, and the accuracy of the pH monitoring component in detecting the pH value of the solution of the reaction kettle is improved.
Specifically, to facilitate the installation of the pH meter 42, the pH monitoring assembly 4 includes a detection box 41 in communication with the monitoring tube 5 and the pH meter 42 provided on the detection box 41.
Specifically, in order to achieve cleaning of the pH meter, the cleaning difficulty of the pH meter is reduced. The upper end and the lower end of the detection box 41 are respectively connected with a pH meter cleaning pipe 43 and a liquid outlet pipe 44, a cleaning valve 431 is arranged on the pH meter cleaning pipe 43, and a liquid outlet valve 441 is arranged on the liquid outlet pipe 44; a first monitoring valve 51 and a second monitoring valve 52 are arranged on the monitoring pipe 5 and on both sides of the pH monitoring assembly 4.
Specifically, in order to realize buffering the pH meter when the pH value of the reaction kettle solution is not detected, the accuracy of the pH meter is improved, the upper end of the detection box 41 is further connected with a buffer tube 45, and the buffer tube 45 is provided with a buffer valve 451.
Specifically, in order to realize the cleaning of the material taking pipe 1, the liquid return pipe 2 and the circulating pump 3, the material taking pipe 1 comprises a first pipeline 12 and a second pipeline 13 which are mutually communicated, one end of the first pipeline 12 is positioned below the liquid level of the reaction kettle 9, one end of the second pipeline 13 is communicated with the liquid inlet end of the circulating pump, and the material taking valve 11 is arranged on the second pipeline 13; the second pipeline 13 is also provided with a first valve 131, and a pipeline cleaning pipe 6 is arranged on the second pipeline and positioned between the first valve 131 and the material taking valve 11 in a communicating manner; the pipe cleaning pipe 6 is provided with a second valve 62.
Specifically, in order to reduce the flow rate of the solution in the liquid return pipe 2 and improve the accuracy of the pH monitoring assembly 4 in detecting the pH value of the solution, the second pipe 13 is provided with a pipe diameter adapter 133.
Specifically, the first pipeline is a telescopic pipeline. The detection of the pH values of solutions at different depths in the reaction kettle can be realized by adjusting the position of the lower end of the first pipeline 12.
Specifically, in order to facilitate the observation of the flow rate of the liquid return pipe 2, the liquid return pipe 2 is provided with a glass tube sight glass 25.
The working principle of the pH on-line monitoring equipment is as follows: when the pH value of the reaction kettle solution is monitored online, the circulating pump 3 is started, the first monitoring valve 51 and the second monitoring valve 52 are opened, the reaction kettle solution sequentially circulates through the first pipeline 12, the second pipeline 13, the first valve 131, the material taking valve 11, the circulating pump 3, the liquid return pipe 2 and the liquid return valve 21 and then returns to the reaction kettle, in the circulating process of the reaction kettle solution, the reaction kettle solution enters the detection box 41 to be contacted with the pH meter 42 after passing through the monitoring pipe 5, then flows out of the detection box 41, and the pH value of the circulating reaction kettle solution is measured by the pH meter 42. After the reaction kettle solution is monitored, the first monitoring valve 51, the second monitoring valve 52, the liquid outlet valve 441 and the buffer valve 451 can be closed, the cleaning valve 431 on the pH meter cleaning pipe 43 is opened, cleaning liquid is introduced into the upper end of the detection box 41 through the pH meter cleaning pipe 43, after the detection box 41 and the pH meter 42 are completely immersed, the liquid outlet valve 441 is opened, the cleaning valve 431 is closed, and the cleaned cleaning liquid is discharged through the liquid outlet pipe 44; the above steps are then repeated by closing the first monitor valve 51, the second monitor valve 52, the liquid outlet valve 441 and the buffer valve 451 and opening the pH meter washing tube 43 until the cartridge 41 and the pH meter 42 are clean. After the detection box 41 and the pH meter 42 are cleaned, the first monitoring valve 51, the second monitoring valve 52, the cleaning valve 431, the liquid outlet valve 441 and the buffer valve 451 are closed, buffer liquid is introduced into the upper end of the detection box 41 through the buffer liquid pipe 45, after the electrode probe of the pH meter 42 is immersed, the buffer valve 451 is closed, and the electrode probe of the pH meter 42 is buffered through the buffer liquid. When the reaction kettle is cleaned after the reaction of the reaction kettle is finished, the circulating pipeline of the pH on-line monitoring equipment can be cleaned firstly; when the circulation pipeline is cleaned, the first valve 131, the first monitoring valve 51 and the second monitoring valve 51 are closed, the second valve 62, the material taking valve 11 and the liquid return valve 21 are opened, cleaning liquid is sequentially introduced into the pipeline cleaning pipe 6, introduced into the second pipeline 13, the circulation pump 3 and the liquid return pipe 2, and then flows into the reaction kettle, and the pipeline between the first valve 131 and the liquid return port of the reaction kettle is cleaned. Then, the material taking valve 11 is closed, the second valve 62 and the first valve 131 are opened, and cleaning liquid is sequentially led into the second pipeline 13 and the first pipeline 12 through the pipeline cleaning pipe 6 and flows into the reaction kettle, so that the first pipeline 12 to the material taking valve 11 are cleaned.
Claims (9)
1. A pH on-line monitoring device, characterized in that the pH on-line monitoring device comprises:
the device comprises a material taking pipe (1), wherein one end of the material taking pipe (1) is positioned below the liquid level of a reaction kettle (9), and a material taking valve (11) is arranged on the material taking pipe (1);
the liquid return pipe (2), one end of the liquid return pipe (2) is communicated with the reaction kettle (9), and a liquid return valve (21) is arranged on the liquid return pipe (2);
the liquid inlet end of the circulating pump is communicated with the other end of the material taking pipe, and the liquid outlet end of the circulating pump (3) is communicated with the other end of the liquid return pipe;
a pH monitoring assembly (4); a kind of electronic device with high-pressure air-conditioning system
The monitoring pipe (5), the both ends and the liquid return pipe (2) of monitoring pipe (5) communicate, pH monitoring component (4) set up on monitoring pipe (5).
2. The online pH monitoring device according to claim 1, wherein two ends of the monitoring tube (5) are communicated with a liquid return tube (2) between the liquid return valve (21) and a liquid return port of the reaction kettle (9), and the flowing direction of the solution in the liquid return tube (2) corresponding to the communicating position is from bottom to top.
3. The pH online monitoring apparatus according to claim 2, wherein the pH monitoring assembly (4) comprises a detection box (41) in communication with the monitoring tube (5) and a pH meter (42) provided on the detection box (41).
4. A pH online monitoring apparatus according to claim 3, wherein the upper end and the lower end of the detection box (41) are respectively connected with a pH meter cleaning pipe (43) and a liquid outlet pipe (44), a cleaning valve (431) is arranged on the pH meter cleaning pipe (43), and a liquid outlet valve (441) is arranged on the liquid outlet pipe (44);
and a first monitoring valve (51) and a second monitoring valve (52) are arranged on the monitoring pipe (5) and positioned on two sides of the pH monitoring assembly (4).
5. The online pH monitoring device according to claim 4, wherein the upper end of the detection box (41) is further connected with a buffer tube (45), and a buffer valve (451) is arranged on the buffer tube (45).
6. The online pH monitoring device according to any one of claims 1 to 5, wherein the material taking pipe (1) comprises a first pipeline (12) and a second pipeline (13) which are communicated with each other, one end of the first pipeline (12) is positioned below the liquid level of the reaction kettle (9), one end of the second pipeline (13) is communicated with the liquid inlet end of the circulating pump, and the material taking valve (11) is arranged on the second pipeline (13);
the second pipeline (13) is also provided with a first valve (131), and a pipeline cleaning pipe (6) is arranged on the second pipeline and positioned between the first valve (131) and the material taking valve (11) in a communicating manner; the pipeline cleaning pipe (6) is provided with a second valve (62).
7. The online pH monitoring device according to claim 6, wherein the second pipe (13) is provided with a pipe diameter size adapter (133).
8. The pH online monitoring apparatus according to claim 6, wherein the first conduit (12) is a telescopic conduit.
9. The pH online monitoring device according to any one of claims 1 to 5, characterized in that a glass tube mirror (25) is provided on the liquid return tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321111785.0U CN220238548U (en) | 2023-05-05 | 2023-05-05 | PH on-line monitoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321111785.0U CN220238548U (en) | 2023-05-05 | 2023-05-05 | PH on-line monitoring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220238548U true CN220238548U (en) | 2023-12-26 |
Family
ID=89271050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321111785.0U Active CN220238548U (en) | 2023-05-05 | 2023-05-05 | PH on-line monitoring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220238548U (en) |
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2023
- 2023-05-05 CN CN202321111785.0U patent/CN220238548U/en active Active
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