CN220040327U - Online PH detection device of precipitation method white carbon black reation kettle - Google Patents
Online PH detection device of precipitation method white carbon black reation kettle Download PDFInfo
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- CN220040327U CN220040327U CN202321609934.6U CN202321609934U CN220040327U CN 220040327 U CN220040327 U CN 220040327U CN 202321609934 U CN202321609934 U CN 202321609934U CN 220040327 U CN220040327 U CN 220040327U
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- reaction kettle
- slurry
- cup
- detection
- carbon black
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- 238000001514 detection method Methods 0.000 title claims abstract description 81
- 239000006229 carbon black Substances 0.000 title claims abstract description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000001556 precipitation Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 56
- 239000002002 slurry Substances 0.000 claims abstract description 56
- 238000004140 cleaning Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000005070 sampling Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 30
- 230000009286 beneficial effect Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 239000012066 reaction slurry Substances 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000002791 soaking Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model relates to an online PH detection device of a precipitation method white carbon black reaction kettle, which comprises a reaction kettle internally provided with white carbon black reaction slurry, wherein a PH detection cup is arranged at the top of the reaction kettle, the PH detection cup is internally connected with the reaction kettle through a slurry suction pipe and a slurry return pipe, and is internally provided with a PH electrode for detecting the PH value of the slurry in the cup and a cleaning water pipe for spraying water towards the PH electrode during cleaning. The method can be used for carrying out online detection on the PH value by specially aiming at the white carbon black reaction slurry medium with viscosity, overcomes the defects of large manual frequent sampling workload, long time, much sample waste, human error in detection test, environmental pollution caused by waste samples and the like in the existing offline PH detection, and has remarkable advantages.
Description
Technical Field
The utility model relates to an online PH detection device of a white carbon black reaction kettle by a precipitation method.
Background
In the existing precipitation method white carbon black production, quantitative proportioning sodium silicate and sulfuric acid solution are required to be added into a reaction kettle respectively, chemical reaction is carried out according to certain process control conditions to generate the white carbon black, the PH value control of each stage of solution in the reaction kettle is particularly important, so that the PH value of reaction slurry in the reaction kettle needs to be frequently sampled and detected in the production process.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the utility model is to provide an online PH detection device for a white carbon black reaction kettle by a precipitation method.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides an online PH detection device of precipitation method white carbon black reation kettle, includes that inside is equipped with white carbon black reaction thick liquids's reation kettle, the reation kettle top is provided with the PH and detects the cup, PH detects the inside thick liquids suction tube and reation kettle internal connection, through thick liquids back flow and reation kettle internal connection of cup, PH detects the inside PH electrode that is provided with of cup internal thick liquids pH value to and be used for the washing water pipe towards PH electrode water spray when wasing.
Preferably, the first electromagnetic valve is arranged on the slurry suction pipe, the second electromagnetic valve is arranged on the slurry return pipe, and the third electromagnetic valve is arranged on the cleaning water pipe.
Preferably, the slurry suction pipe extends from the lower part of the outer part of the reaction kettle to the upper part of the outer part of the reaction kettle through the inner part of the reaction kettle, the slurry suction pipe at the lower part of the outer part of the reaction kettle is connected with compressed air, the slurry suction pipe at the upper part of the outer part of the reaction kettle is provided with a sampling port which is downwards bent towards the inner part of the PH detection cup, the slurry suction pipe at the lower part of the inner part of the reaction kettle is provided with a necking short pipe, and the necking short pipe is provided with a feeding hole.
Preferably, the slurry return pipe is connected with the small hole at the bottom of the PH detection cup, and the slurry entering the PH detection cup and the slurry flowing out of the small hole at the bottom of the PH detection cup form dynamic balance.
Preferably, the PH detection cup is vertically arranged on the top of the reaction kettle, and a part of the cup body penetrates into the top of the reaction kettle to enter the reaction kettle for a certain distance.
Preferably, the inner side surface of the PH detection cup is also provided with an upper micro liquid level sensor and a lower micro liquid level sensor which are used for controlling the liquid level in the PH detection cup to be kept in a certain height range.
Preferably, the outlet of the cleaning water pipe is obliquely aligned with the PH electrode so as to facilitate cleaning.
Compared with the prior art, the utility model has the following beneficial effects: the utility model relates to a device capable of realizing online PH value detection aiming at white carbon black reaction slurry medium with certain viscosity according to the structure and production characteristics of precipitation white carbon black reaction kettle equipment, which is innovatively invented, and overcomes the defects of the existing offline PH detection device.
The method can be used for carrying out online detection on the PH value by specially aiming at the white carbon black reaction slurry medium with viscosity, overcomes the defects of large manual frequent sampling workload, long time, much sample waste, human error in detection test, environmental pollution caused by waste samples and the like in the existing offline PH detection, and has remarkable advantages.
The utility model will be described in further detail with reference to the drawings and the detailed description.
Drawings
FIG. 1 is a schematic view of a construction of an embodiment of the present utility model;
FIG. 2 is a graph showing the operation of a pH detection cup for online detection of the pH value of white carbon black slurry according to an embodiment of the present utility model;
FIG. 3 is a graph showing the operation of cleaning the PH electrode after the sampling test is completed in the embodiment of the utility model;
FIG. 4 is a graph showing the pH electrode soaking operation after the cleaning operation is completed in accordance with the embodiment of the present utility model;
FIG. 5 is a block diagram illustrating a control principle of a control module according to an embodiment of the present utility model.
In the figure: 1-a reaction kettle; 2-PH detection cup; 3-a bell mouth enclosure; 4-PH electrode; 5-a first solenoid valve; 6-necking short pipe; 7-a slurry suction tube; 8-cleaning a water pipe; 9-a second solenoid valve; 10-a third solenoid valve; 11-white carbon black reaction slurry; 12-a feed hole; 13-level sensor.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As shown in fig. 1-5, this embodiment provides an online PH detection device for a white carbon black reaction kettle by a precipitation method, including a reaction kettle in which white carbon black reaction slurry is filled, a PH detection cup is disposed at the top of the reaction kettle, the PH detection cup is connected with the inside of the reaction kettle through a slurry suction pipe and connected with the inside of the reaction kettle through a slurry return pipe, a PH electrode for detecting the PH value of slurry in the cup is disposed in the PH detection cup, and a cleaning water pipe for spraying water towards the PH electrode during cleaning is disposed in the PH detection cup. According to the structure and production characteristics of the precipitation method white carbon black reaction kettle equipment, the utility model innovatively provides the online PH detection device capable of carrying out online PH detection on the white carbon black reaction slurry medium with viscosity, overcomes the defects of large manual frequent sampling workload, long time, much sample waste, human errors in detection tests, environmental pollution of waste samples and the like in the existing offline PH detection, and has remarkable advantages.
In the embodiment of the utility model, a first electromagnetic valve is arranged on the slurry suction pipe, a second electromagnetic valve is arranged on the slurry return pipe, a third electromagnetic valve is arranged on the cleaning water pipe, and the third electromagnetic valve is used for switching cleaning water, wherein the first electromagnetic valve is an electromagnetic valve capable of adjusting the air inflow of compressed air.
In the embodiment of the utility model, the slurry suction pipe extends from the lower part outside the reaction kettle to the upper part outside the reaction kettle through the inside of the reaction kettle, the slurry suction pipe at the lower part outside the reaction kettle is connected with compressed air, the slurry suction pipe at the upper part outside the reaction kettle is provided with a sampling port bent downwards towards the inside of the PH detection cup, the slurry suction pipe at the lower part inside the reaction kettle is provided with a necking short pipe, and the necking short pipe is provided with a feeding hole. When compressed air flows through the necking short pipe at high speed, slurry around the feeding hole of the necking short pipe is sucked in and rises along with the air flow until the slurry flows out from the sampling port of the bent down pipe at the top of the reaction kettle.
In the embodiment of the utility model, the slurry return pipe is connected with the small hole at the bottom of the PH detection cup, the slurry entering the PH detection cup and the slurry flowing out of the small hole at the bottom of the PH detection cup form dynamic balance, the slurry in the PH detection cup is kept to have a certain liquid level, the dynamically flowing slurry always submerges the glass ball of the PH electrode, the glass ball is at a proper distance from the cup bottom, the accuracy of online PH detection is ensured, and simultaneously the slurry flowing out of the PH detection cup bottom directly flows into the reaction kettle downwards, so that the waste and pollution of the slurry are avoided.
In the embodiment of the utility model, the PH electrode is electrically connected to the PH display, the PH display is arranged in a remote operation room, the miniature PH electrode is connected with the PH display through a data line, and staff in the operation room check the PH detection condition through the PH display.
In the embodiment of the utility model, the PH detection cup is in a cylindrical shape with an opening at the upper part and made of high-quality stainless steel, the PH detection cup is vertically arranged on the top of the reaction kettle, and a part of the cup body penetrates into the top of the kettle to enter the reaction kettle for a certain distance.
In the embodiment of the utility model, the upper opening of the PH detection cup is an outward-expanding bell mouth enclosure for preventing the slurry sample from splashing.
In the embodiment of the utility model, the inner side surface of the PH detection cup is also provided with an upper micro liquid level sensor and a lower micro liquid level sensor which are used for controlling the liquid level in the PH detection cup to be kept in a certain height range. When the slurry level in the PH detection cup is reduced to a set value, the control module controls the first electromagnetic valve to increase the opening degree, the compressed air quantity is increased, more slurry is carried to flow into the detection cup, and vice versa.
In the embodiment of the utility model, the input end of the control module is electrically connected with the output ends of the liquid level sensor and the time relay respectively, and the output ends of the control module are electrically connected with the input ends of the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve respectively.
In the embodiment of the utility model, the outlet of the cleaning water pipe is obliquely aligned with the PH electrode so as to facilitate cleaning.
In the embodiment of the utility model, the working principle of the online PH detection device of the precipitation method white carbon black reaction kettle is as follows: the utility model provides a PH detects cup, including the fixed point, the fixed point is equipped with the fixed point, install the throat nozzle in reation kettle, the venturi principle is used, through the high-speed flow of compressed air in the pipeline, the side opening produces the negative pressure in bypass constriction department, inhale white carbon black thick liquids, this inhaled white carbon black thick liquids rises to the sample connection blowout along with compressed air flow, PH that installs in the sample connection below detects the cup and accept white carbon black thick liquids, detect through installing the PH electrode in PH detects the cup, PH detects the cup bottom and bores the aperture through the predesigned, PH detects the thick liquids that cup upper portion got into and PH detects the thick liquids that cup bottom aperture flows out and form dynamic balance, both kept PH and detect the interior thick liquids of cup at certain liquid level, guaranteed the timeliness that the thick liquids sample did not lag in the cup again, the online detection accuracy of soaking PH electrode has been satisfied. When the PH electrode needs to be cleaned, the compressed air is closed, the slurry flow to the PH detection cup is stopped, the electromagnetic valve of the cleaning water pipe arranged above the PH detection cup is opened, after the electrode is washed by the cleaning water, the electromagnetic valve of the slurry return pipe at the bottom of the PH detection cup is closed, the electromagnetic valve of the cleaning water pipe is closed after the cleaning water is continuously added to a set amount, and the cleaning and soaking of the PH electrode are ensured until the on-line detection of the next period.
The specific working process is as follows:
(1) The first electromagnetic valve and the second electromagnetic valve are opened, compressed air flows through a slurry suction pipe in the reaction kettle at a high speed, white carbon black slurry around a sampling hole of the necking short pipe is sucked in under negative pressure, the high-speed flowing compressed air carries the white carbon black slurry to jet from a sampling hole to a PH detection cup through the slurry suction pipe, and flows back to the reaction kettle through a small hole at the bottom of the PH detection cup, and a horn enclosure arranged at the PH detection cup mouth shields the splashing of the jet white carbon black slurry;
(2) The liquid level sensor transmits the slurry liquid level data in the PH detection cup to the control module, when the slurry liquid level in the PH detection cup is reduced to a set value, the opening degree of the first electromagnetic valve is automatically increased, the compressed air quantity is increased, and more slurry is carried to flow into the detection cup, and vice versa;
(3) The miniature PH electrode in the PH detection cup detects the PH value of the slurry in the cup, and transmits detected PH data to a PH display of a remote operation room through a data line;
(4) When PH detection is finished, the first electromagnetic valve is closed, compressed air is stopped, and sample injection is stopped;
(5) Opening a third electromagnetic valve, and flushing the miniature PH electrode by cleaning water through a cleaning inclined tube;
(6) After the flushing time is reached, closing the second electromagnetic valve;
(7) When the cleaning water reaches the set height of the pH detection liquid level, the third electromagnetic valve is closed, the online pH detection of the round is finished, and the start of the online pH detection of the next cycle is waited.
The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.
Claims (7)
1. An online PH detection device of white carbon black reation kettle of precipitation method, its characterized in that: including the reation kettle of inside white carbon black reaction thick liquids that is equipped with, the reation kettle top is provided with the PH and detects the cup, PH detects the inside thick liquids suction tube and reation kettle internal connection of cup, through thick liquids back flow and reation kettle internal connection, PH detects the inside PH electrode that is provided with of cup internal slurry PH value and is used for the washing water pipe towards PH electrode water spray when wasing.
2. The online PH detection device of the precipitation white carbon black reaction kettle according to claim 1, which is characterized in that: the slurry suction pipe is provided with a first electromagnetic valve, the slurry return pipe is provided with a second electromagnetic valve, and the cleaning water pipe is provided with a third electromagnetic valve.
3. The online PH detection device of the precipitation white carbon black reaction kettle according to claim 1, which is characterized in that: the slurry suction pipe extends to the high position outside the reaction kettle from the low position outside the reaction kettle through the inside of the reaction kettle, the slurry suction pipe at the low position outside the reaction kettle is connected with compressed air, the slurry suction pipe at the high position outside the reaction kettle is provided with a sampling port which is downwards bent towards the PH detection cup, the slurry suction pipe at the low position inside the reaction kettle is provided with a necking short pipe, and the necking short pipe is provided with a feeding hole.
4. The online PH detection device of the precipitation white carbon black reaction kettle according to claim 1, which is characterized in that: the slurry return pipe is connected with the small hole at the bottom of the PH detection cup, and slurry entering the PH detection cup and slurry flowing out of the small hole at the bottom of the PH detection cup form dynamic balance.
5. The online PH detection device of the precipitation white carbon black reaction kettle according to claim 1, which is characterized in that: the PH detection cup is vertically arranged on the top of the reaction kettle, and a part of the cup body penetrates into the top of the kettle and enters the reaction kettle for a certain distance.
6. The online PH detection device of the precipitation white carbon black reaction kettle according to claim 1, which is characterized in that: the inner side surface of the PH detection cup is also provided with an upper micro liquid level sensor and a lower micro liquid level sensor which are used for controlling the liquid level in the PH detection cup to be kept within a certain height range.
7. The online PH detection device of the precipitation white carbon black reaction kettle according to claim 1, which is characterized in that: the outlet of the cleaning water pipe is obliquely aligned with the PH electrode so as to be beneficial to cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321609934.6U CN220040327U (en) | 2023-06-25 | 2023-06-25 | Online PH detection device of precipitation method white carbon black reation kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321609934.6U CN220040327U (en) | 2023-06-25 | 2023-06-25 | Online PH detection device of precipitation method white carbon black reation kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220040327U true CN220040327U (en) | 2023-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321609934.6U Active CN220040327U (en) | 2023-06-25 | 2023-06-25 | Online PH detection device of precipitation method white carbon black reation kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220040327U (en) |
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2023
- 2023-06-25 CN CN202321609934.6U patent/CN220040327U/en active Active
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