CN211070048U - Automatic control system for sulfuric acid concentration - Google Patents
Automatic control system for sulfuric acid concentration Download PDFInfo
- Publication number
- CN211070048U CN211070048U CN201922038238.4U CN201922038238U CN211070048U CN 211070048 U CN211070048 U CN 211070048U CN 201922038238 U CN201922038238 U CN 201922038238U CN 211070048 U CN211070048 U CN 211070048U
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- CN
- China
- Prior art keywords
- control system
- retort
- valve
- measuring
- automatic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 230000008878 coupling Effects 0.000 claims abstract description 15
- 238000010168 coupling process Methods 0.000 claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000003513 alkali Substances 0.000 claims abstract description 10
- 235000011149 sulphuric acid Nutrition 0.000 claims abstract description 9
- 239000001117 sulphuric acid Substances 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 6
- 239000003153 chemical reaction reagent Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 239000002253 acid Substances 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000004448 titration Methods 0.000 description 3
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 3
- 229960001763 zinc sulfate Drugs 0.000 description 3
- 229910000368 zinc sulfate Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 229920004934 Dacron® Polymers 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 229920002334 Spandex Polymers 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000004759 spandex Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model provides an automatic control system of sulphuric acid concentration, including measuring device and P L C control system, measuring device is by retort, automatic valve, alkali control valve, measuring pump, PH measuring apparatu, flowing back valve door, the retort with automatic valve door passes through the tube coupling, the retort with alkali control valve passes through the tube coupling and is equipped with between just the measuring pump, the retort is equipped with the PH measuring apparatu, the retort with flowing back valve door passes through the tube coupling, P L C control system with the PH measuring apparatu is connected, P L C control system with the measuring pump is connected, P L C control system with automatic valve door connects the utility model discloses control accuracy is high, the concentration such as sulphuric acid of more accurate measurement process liquid to directly carry out sulphuric acid concentration's control, satisfy production high accuracy requirement.
Description
Technical Field
The utility model relates to a chemical engineering method system acid, dacron, spandex, long and short silk viscose system acid technical field specifically are a sulphuric acid concentration automated control system.
Background
In these areas of production technology, the production acid plant needs to control high quality acid bath liquids, and his quality directly affects the quality and cost of other end products of its company. The automatic system for controlling the concentration of sulfuric acid measures the concentration of main components in the solution, and measures the concentration of sulfuric acid, zinc sulfate, etc. in the solution by quantitative titration, the titration of acid concentration adopts a high-precision metering pump to accurately control the titration amount of sodium hydroxide, a high-precision PH meter is used to measure the neutralized PH value, and finally the concentration of sulfuric acid is calculated, and the zinc sulfate is titrated and measured by the same method.
The metering pump and the PH electrode adopted by the instrument are easily influenced by media, so that the measurement has deviation, and the problem is solved by adopting a filter and regularly cleaning.
SUMMERY OF THE UTILITY MODEL
In order to solve the not enough of above-mentioned prior art, the utility model provides a sulphuric acid concentration automated control system uses the measuring pump of high accuracy in order to obtain more accurate measurement, adopts P L C as computer system control center simultaneously, and sulfur or sulphuric acid addition are adjusted to last output signal control flap or flowmeter.
In order to achieve the above object, the utility model discloses a technical scheme be:
the utility model provides a sulphuric acid concentration automated control system, includes measuring device and P L C control system, measuring device is by retort, automatic valve, alkali control valve, measuring pump, PH measuring apparatu, flowing back valve, the retort with automatic valve passes through the tube coupling, the retort with alkali control valve passes through the tube coupling and is equipped with between just the measuring pump, the retort is equipped with the PH measuring apparatu, the retort with flowing back valve passes through the tube coupling, P L C control system with the PH measuring apparatu is connected, P L C control system with the measuring pump is connected, P L C control system with automatic valve connects.
To the utility model discloses further describe, P L C control system still is equipped with the human-computer interface who is convenient for control.
To the further description of the utility model, still be equipped with agitator motor in the retort.
Right the utility model discloses further description, flowing back valve one end is still through tube coupling waste liquid recovery unit, automatic valve one end is passed through the tube coupling waste liquid recovery unit.
To the utility model discloses further description, the retort is still through other reagent valves of tube coupling, and is equipped with between the two the measuring pump.
Compared with the prior art, the utility model has the advantages that:
the control precision is high, the concentration of the sulfuric acid in the process liquid is accurately measured, the concentration of the sulfuric acid is directly controlled, and the requirement of high production precision is met.
Drawings
Fig. 1 is a schematic flow chart of the present invention.
The reference numbers are 1-reaction tank, 2-automatic valve, 3-alkali control valve, 4-metering pump, 5-PH measuring instrument, 6-liquid discharge valve, 7-P L C control system.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1, as shown in figure 1:
the utility model provides a sulphuric acid concentration automated control system, including measuring device and P L C control system 7, measuring device is by retort 1, automatic valve 2, alkali control valve 3, measuring pump 4, PH measuring apparatu 5, flowing back valve 6, retort 1 passes through the tube coupling with automatic valve 2, retort 1 passes through the tube coupling with alkali control valve 3 and is equipped with measuring pump 4 between and, retort 1 is equipped with PH measuring apparatu 5, retort 1 passes through the tube coupling with flowing back valve 6, P L C control system 7 is connected with PH measuring apparatu 5, P L C control system 7 is connected with measuring pump 4, P L C control system 7 is connected with automatic valve 2.
In a preferred embodiment of this embodiment, the P L C control system 7 is further provided with a human-machine interface for convenient operation.
According to a preferable technical scheme of the embodiment, a stirring motor is further arranged in the reaction tank 1.
According to the preferable technical scheme, one end of the liquid discharge valve 6 is connected with the waste liquid recovery device through a pipeline, and one end of the automatic valve 2 is connected with the waste liquid recovery device through a pipeline.
According to a preferable technical scheme of the embodiment, the reaction tank 1 is further connected with other reagent valves through pipelines, and a metering pump 4 is arranged between the reaction tank 1 and the reagent valves.
In the present embodiment, all the components are general standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.
The method comprises the steps of measuring the concentration of sulfuric acid in a medium by adopting a P L C control system according to an acid-base neutralization principle, quantitatively adding a measured sample amount through a metering pump, gradually and quantitatively adding an alkali solution for neutralization to obtain zinc sulfate with the same sulfuric acid concentration, calculating the concentration of sodium sulfate, and calculating the opening degree of a regulating valve according to a set value of the sulfuric acid concentration and P L C to control the sulfuric acid in the solution.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, a first feature "above," "over," and "on" a second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature, and a first feature "below," "under," and "under" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the first feature is at a lower level than the first feature.
In the description of the present specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and schematic representations of the terms in the specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the spirit and scope of the present invention.
Claims (5)
1. The utility model provides a sulphuric acid concentration automated control system, includes measuring device and P L C control system (7), its characterized in that, measuring device by retort (1), automatic valve (2), alkali control valve (3), measuring pump (4), PH measuring apparatu (5), flowing back valve (6), retort (1) with automatic valve (2) pass through the tube coupling, retort (1) with alkali control valve (3) pass through the tube coupling and between be equipped with measuring pump (4), retort (1) is equipped with PH measuring apparatu (5), retort (1) with flowing back valve (6) pass through the tube coupling, P L C control system (7) with PH measuring apparatu (5) are connected, P L C control system (7) with measuring pump (4) are connected, P L C control system (7) with automatic valve (2) are connected.
2. The automatic control system for sulfuric acid concentration according to claim 1, wherein the P L C control system (7) is further provided with a human-machine interface for easy operation.
3. The automatic control system for sulfuric acid concentration according to claim 1, wherein a stirring motor is further disposed in the reaction tank (1).
4. The automatic control system for sulfuric acid concentration according to claim 1, wherein one end of the liquid discharge valve (6) is further connected with a waste liquid recovery device through a pipeline, and one end of the automatic valve (2) is connected with the waste liquid recovery device through a pipeline.
5. The automatic control system for sulfuric acid concentration according to claim 1, wherein the reaction tank (1) is further connected with other reagent valves through pipelines, and the metering pump (4) is arranged between the reaction tank and the other reagent valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922038238.4U CN211070048U (en) | 2019-11-22 | 2019-11-22 | Automatic control system for sulfuric acid concentration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922038238.4U CN211070048U (en) | 2019-11-22 | 2019-11-22 | Automatic control system for sulfuric acid concentration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211070048U true CN211070048U (en) | 2020-07-24 |
Family
ID=71645695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922038238.4U Expired - Fee Related CN211070048U (en) | 2019-11-22 | 2019-11-22 | Automatic control system for sulfuric acid concentration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211070048U (en) |
-
2019
- 2019-11-22 CN CN201922038238.4U patent/CN211070048U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210602 Address after: 211100 6th floor, building A3, no.700 Tianyin Avenue, Dongshan street, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Jiangsu Yueling Control Equipment Co.,Ltd. Address before: 518000 no.354 Heping Road, Longhua street, Longhua District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Yixing Foreign Trade Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200724 |