CN219434791U - Material pH value on-line measuring device - Google Patents
Material pH value on-line measuring device Download PDFInfo
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- CN219434791U CN219434791U CN202320329247.2U CN202320329247U CN219434791U CN 219434791 U CN219434791 U CN 219434791U CN 202320329247 U CN202320329247 U CN 202320329247U CN 219434791 U CN219434791 U CN 219434791U
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Abstract
The utility model discloses a material pH value online detection device, which relates to the technical field of material pH value detection, wherein a submerged pipe is inserted in a reaction kettle, one end of the submerged pipe extending out of the reaction kettle is communicated with a diaphragm pump, an outlet of the diaphragm pump is communicated with a detection tank through a pipeline, a bottom material outlet of the detection tank is communicated with the submerged pipe through a circulating pipeline, and an online pH meter is arranged in the detection tank; and an inlet of the diaphragm pump is communicated with a flushing fluid pipeline. The material is taken out to the detection pond, does not need manual sampling, easy operation, factor of safety is high, detects the back that detects in the pond feed liquid and can reentry reation kettle through circulating line, has avoided the waste of raw materials. The flushing fluid pipeline can be flushed before and after sampling, so that the accuracy of detection results is guaranteed, and meanwhile, the phenomenon that materials remain in a detection pool and the pipeline after sampling, and the pipeline is blocked due to crystallization and the like after long-time temporary storage is avoided, so that the follow-up use is influenced.
Description
Technical Field
The utility model relates to the technical field of material pH value detection, in particular to a material pH value online detection device.
Background
In chemical production, the process sometimes requires strict pH value, and the traditional method for detecting the pH value of materials mainly comprises the steps of reserving a sampling port in a reaction kettle or opening the kettle port for manual sampling, and then detecting by adopting a pH meter or pH test paper. The residual materials in the pipeline at the sampling port are required to be replaced before each sampling to ensure the real-time performance and accuracy of sampling analysis, the sample test generally needs 3-50ml, but the replaced materials before each sampling are usually 500-1500ml or more, so that the materials are wasted and the environmental pollution is increased. Some materials are easy to crystallize and separate out in the sampling port when the temperature is low, so that the pipeline and the sampling port are blocked, and normal sampling cannot be performed. In addition, the reaction kettle opening is opened for sampling, so that the danger and the labor intensity are high, and the harm to human bodies and the environment is high due to the high volatility of part of chemicals, so that the method is difficult to adapt to the requirements of the existing chemical production; some materials are contacted with air, and side reactions may also occur.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: aiming at the defects in the prior art, the online detection device for the pH value of the material is provided, the sampling is simple, the accuracy of the test result is high, the safety is strong, and the raw material waste in the sampling process is greatly reduced.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the material pH value online detection device comprises a reaction kettle, wherein a submerged pipe is inserted in the reaction kettle, one end of the submerged pipe extending out of the reaction kettle is communicated with a diaphragm pump, an outlet of the diaphragm pump is communicated with a detection tank through a pipeline, a bottom material outlet of the detection tank is communicated with the submerged pipe through a circulating pipeline, and an online pH meter is arranged in the detection tank;
and an inlet of the diaphragm pump is communicated with a flushing fluid pipeline.
As an improved technical scheme, the circulating pipeline is obliquely arranged from the detection pool towards the reaction kettle from top to bottom.
As an improved technical scheme, a sampling pipeline is communicated with the bottom outlet of the detection tank.
As an improved technical scheme, the detection tank is provided with a liquid level sensor, the circulating pipeline is provided with a first regulating valve, and the liquid level sensor and the first regulating valve are interlocked to a control system.
As an improved technical solution, the outlet of the diaphragm pump is provided with a first flow meter and a second regulating valve, and the diaphragm pump, the second regulating valve and the first flow meter are interlocked to a control system.
As an improved technical scheme, the reaction kettle is communicated with an acid-base regulator storage tank through a pipeline, a third regulating valve and a second flowmeter are arranged between the reaction kettle and the acid-base regulator storage tank, and the third regulating valve, the second flowmeter and the online pH meter are interlocked to a control system.
As a preferred embodiment, the flushing-liquid line is provided with a fourth control valve and a third flow meter, which are interlocked to a control system.
Due to the adoption of the technical scheme, the utility model has the beneficial effects that:
the utility model relates to a material pH value online detection device, which comprises a reaction kettle, wherein a submerged pipe is inserted in the reaction kettle, one end of the submerged pipe extending out of the reaction kettle is communicated with a diaphragm pump, an outlet of the diaphragm pump is communicated with a detection tank through a pipeline, a bottom material outlet of the detection tank is communicated with the submerged pipe through a circulating pipeline, and an online pH meter is arranged in the detection tank; and an inlet of the diaphragm pump is communicated with a flushing fluid pipeline. Through diaphragm pump and submerged pipe, take out the material in the reation kettle to the detection pond, do not need manual sample, easy operation, factor of safety is high, detects the material liquid in the detection pond and can reenter reation kettle through circulating line after accomplishing, has avoided the waste of raw materials. The flushing fluid pipeline can be flushed before and after sampling, so that the accuracy of detection results is guaranteed, and meanwhile, the phenomenon that materials remain in a detection pool and the pipeline after sampling, and the pipeline is blocked due to crystallization and the like after long-time temporary storage is avoided, so that the follow-up use is influenced.
The circulating pipeline is obliquely arranged from the detection pool towards the reaction kettle from top to bottom. The feed liquid in the detection tank can flow back to the reaction kettle more conveniently and rapidly, and the feed liquid is not easy to remain in the circulating pipeline, so that the pipeline is prevented from being blocked by crystallization.
The bottom outlet of the detection pool is communicated with a sampling pipeline, so that other indexes of materials can be conveniently sampled and detected.
The detection tank is provided with a liquid level sensor, the circulating pipeline is provided with a first regulating valve, and the liquid level sensor and the first regulating valve are interlocked to a control system. The control system adjusts the opening of the first regulating valve through the numerical value displayed by the liquid level sensor, so that the material overflow caused by the overhigh liquid level in the detection tank is avoided, and the material waste is caused.
The outlet of the diaphragm pump is provided with a first flowmeter and a second regulating valve, and the diaphragm pump, the second regulating valve and the first flowmeter are interlocked to a control system. The control system can control the opening of the diaphragm pump and the opening of the second regulating valve through the numerical value of the first flowmeter, so that the situation that the liquid level in the detection tank is too high or too low is avoided.
The reaction kettle is communicated with an acid-base regulator storage tank through a pipeline, a third regulating valve and a second flowmeter are arranged between the reaction kettle and the acid-base regulator storage tank, and the third regulating valve, the second flowmeter and the online pH meter are interlocked to a control system. The control system can adjust the opening of the third regulating valve through the values of the online pH meter and the second flowmeter, so that the accuracy of the addition amount of the acid-base regulator is high, and the improvement of the product performance index is facilitated.
The flushing liquid pipe is provided with a fourth regulating valve and a third flowmeter, which are interlocked to a control system. The control system can adjust the opening of the fourth regulating valve through the numerical value of the third flowmeter, so that the adding amount of the flushing liquid is accurately controllable.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
wherein: 1. a reaction kettle; 2. a submerged pipe; 3. a diaphragm pump; 4. a detection pool; 5. a circulation pipe; 6. an online pH meter; 7. a flushing fluid conduit; 8. a sampling pipe; 9. a liquid level sensor; 10. a first regulating valve; 11. a first flowmeter; 12. a second regulating valve; 13. an acid-base modifier storage tank; 14. a third regulating valve; 15. a second flowmeter; 16. a fourth regulating valve; 17. a third flowmeter; 18. a first shut-off valve; 19. a second shut-off valve; 20. a third shut-off valve; 21. and a sampling valve.
Detailed Description
The utility model is further illustrated in the following, in conjunction with the accompanying drawings and examples.
As shown in fig. 1, the material pH online detection device comprises a reaction kettle 1, wherein a submerged pipe 2 is inserted in the reaction kettle 1, one end of the submerged pipe 2 extending out of the reaction kettle 1 is communicated with a diaphragm pump 3, an outlet of the diaphragm pump 3 is communicated with a detection tank 4 through a pipeline, a bottom material outlet of the detection tank 4 is communicated with the submerged pipe 2 through a circulating pipeline 5, and an online pH meter 6 is arranged in the detection tank 4; the inlet of the diaphragm pump 3 is communicated with a flushing fluid pipeline 7. Through diaphragm pump 3 and submerged pipe 2, take out the material in the reation kettle 1 to detect pond 4, do not need manual sample, easy operation, factor of safety is high, detects that the feed liquid in the back detection pond 4 can reentry reation kettle 1 through circulating line 5 after accomplishing, has avoided the waste of raw materials. The flushing fluid pipeline 7 can be flushed before and after sampling, so that the accuracy of detection results is ensured, and meanwhile, the phenomenon that materials remain in the detection tank 4 and the pipeline after sampling, and the pipeline is blocked due to crystallization and the like after long-time temporary storage is avoided, so that the subsequent use is influenced.
The circulating pipeline 5 is obliquely arranged from top to bottom from the detection pool 4 towards the reaction kettle 1. The feed liquid in the detection tank 4 can flow back to the reaction kettle 1 more conveniently and rapidly, and the feed liquid is not easy to remain in the circulating pipeline 5, so that the pipeline is prevented from being blocked by crystallization.
The bottom outlet of the detection tank 4 is communicated with a sampling pipeline 8, so that other indexes of materials can be conveniently sampled and detected.
The detection tank 4 is provided with a liquid level sensor 9, the circulating pipeline 5 is provided with a first regulating valve 10, and the liquid level sensor 9 and the first regulating valve 10 are interlocked to a control system. The control system adjusts the opening of the first regulating valve 10 through the numerical value displayed by the liquid level sensor 9, so that the material overflow caused by the overhigh liquid level in the detection tank 4 is avoided, and the material waste is caused.
The outlet of the diaphragm pump 3 is provided with a first flow meter 11 and a second regulating valve 12, the diaphragm pump 3, the second regulating valve 12 and the first flow meter 11 being interlocked to a control system. The control system can control the opening of the diaphragm pump 3 and the opening of the second regulating valve 12 through the numerical value of the first flowmeter 11, so that the situation that the liquid level in the detection tank 4 is too high or too low is avoided.
The reaction kettle 1 is communicated with an acid-base regulator storage tank 13 through a pipeline, a third regulating valve 14 and a second flowmeter 15 are arranged between the reaction kettle 1 and the acid-base regulator storage tank 13, and the third regulating valve 14, the second flowmeter 15 and the online pH meter 6 are interlocked to a control system. The control system can adjust the opening of the third regulating valve 14 through the values of the online pH meter 6 and the second flowmeter 15, so that the accuracy of the adding amount of the acid-base regulator is high, and the improvement of the performance index of the product is facilitated.
The flushing liquid conduit 7 is provided with a fourth regulating valve 16 and a third flowmeter 17, the fourth regulating valve 16 and the third flowmeter 17 being interlocked to a control system. The control system can adjust the opening of the fourth regulating valve 16 through the value of the third flowmeter 17, so that the adding amount of the flushing liquid can be accurately controlled.
The working principle of the utility model is as follows:
before sampling, the third cut-off valve 20 and the fourth regulating valve 16 are opened, the second cut-off valve 19 is closed, the first cut-off valve 18 is opened, flushing fluid enters the submerged pipe 2 and is cleaned, after the third flowmeter 17 reaches a certain value, the first cut-off valve 18 is closed, the second cut-off valve 19, the first regulating valve 10 and the second regulating valve 12 are opened, the diaphragm pump 3 is opened, flushing fluid enters the detection tank 4 from the flushing fluid pipeline 7, enters the submerged pipe 2 from the circulating pipeline 5 and finally enters the reaction kettle 1, and after the third flowmeter 17 reaches a certain flow, the third cut-off valve 20 and the fourth regulating valve 16 are closed, and flushing is completed.
During sampling, the first cut-off valve 18, the second cut-off valve 19, the second regulating valve 12 and the first regulating valve 10 are opened, the sampling valve 21 is closed, the diaphragm pump 3 is opened, materials in the reaction kettle 1 enter the detection tank 4 through the submerged pipe 2, then flow into the reaction kettle 1 through the circulating pipeline 5, the first regulating valve 10 is closed after a certain period of circulation, after the liquid level in the detection tank 4 rises to a certain value, the diaphragm pump 3 is closed, and after standing, the value of the online pH meter 6 is read. At this time, if other indexes of the material need to be detected, the sampling valve 21 may be opened, and after collecting the material sample, the sampling valve 21 may be closed.
After the sampling is completed, the first regulating valve 10 is opened, the materials in the detection tank 4 enter the reaction kettle 1 through the circulating pipeline 5, and the materials at the sampling valve 21 are also discharged. At this time, the third shut-off valve 20 and the fourth regulating valve 16 are opened, the second shut-off valve 19 is closed, the first shut-off valve 18 is opened, the rinse liquid enters the submerged pipe 2 and is washed, the first shut-off valve 18 is closed after the third flowmeter 17 reaches a certain flow rate, the second shut-off valve 19, the first regulating valve 10 and the second regulating valve 12 are opened, the diaphragm pump 3 is opened, the rinse liquid enters the detection tank 4 from the rinse liquid pipe 7 and enters the submerged pipe 2 from the circulation pipe 5, and the third shut-off valve 20 and the fourth regulating valve 16 are closed after the third flowmeter 17 reaches a certain flow rate, and the rinsing is completed.
The flushing liquid in the embodiment selects the solvent used in the reaction of the materials in the reaction kettle 1, so that the difficulty of adding the subsequent treatment and the influence on the purity of the product caused by introducing new materials are avoided.
It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the claims appended hereto.
Claims (7)
1. The utility model provides a material pH value on-line measuring device, includes reation kettle, its characterized in that: the reaction kettle is internally provided with a submerged pipe in an inserted manner, one end of the submerged pipe extending out of the reaction kettle is communicated with a diaphragm pump, an outlet of the diaphragm pump is communicated with a detection tank through a pipeline, a bottom material outlet of the detection tank is communicated to the submerged pipe through a circulating pipeline, and an online pH meter is arranged in the detection tank;
and an inlet of the diaphragm pump is communicated with a flushing fluid pipeline.
2. An on-line detection device for pH of materials as claimed in claim 1, wherein: the circulating pipeline is obliquely arranged from the detection pool towards the reaction kettle from top to bottom.
3. An on-line detection device for pH of materials as claimed in claim 1, wherein: and a sampling pipeline is communicated with the bottom outlet of the detection tank.
4. An on-line detection device for pH of materials as claimed in claim 1, wherein: the detection tank is provided with a liquid level sensor, the circulating pipeline is provided with a first regulating valve, and the liquid level sensor and the first regulating valve are interlocked to a control system.
5. An on-line detection device for pH of materials as claimed in claim 1, wherein: the outlet of the diaphragm pump is provided with a first flowmeter and a second regulating valve, and the diaphragm pump, the second regulating valve and the first flowmeter are interlocked to a control system.
6. An on-line detection device for pH of materials as claimed in claim 1, wherein: the reaction kettle is communicated with an acid-base regulator storage tank through a pipeline, a third regulating valve and a second flowmeter are arranged between the reaction kettle and the acid-base regulator storage tank, and the third regulating valve, the second flowmeter and the online pH meter are interlocked to a control system.
7. An on-line detection device for pH of materials as claimed in claim 1, wherein: the flushing liquid pipe is provided with a fourth regulating valve and a third flowmeter, which are interlocked to a control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320329247.2U CN219434791U (en) | 2023-02-22 | 2023-02-22 | Material pH value on-line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320329247.2U CN219434791U (en) | 2023-02-22 | 2023-02-22 | Material pH value on-line measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219434791U true CN219434791U (en) | 2023-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320329247.2U Active CN219434791U (en) | 2023-02-22 | 2023-02-22 | Material pH value on-line measuring device |
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| Country | Link |
|---|---|
| CN (1) | CN219434791U (en) |
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2023
- 2023-02-22 CN CN202320329247.2U patent/CN219434791U/en active Active
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