CN116930477A - Silicon dioxide detection device - Google Patents
Silicon dioxide detection device Download PDFInfo
- Publication number
- CN116930477A CN116930477A CN202311097685.1A CN202311097685A CN116930477A CN 116930477 A CN116930477 A CN 116930477A CN 202311097685 A CN202311097685 A CN 202311097685A CN 116930477 A CN116930477 A CN 116930477A
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- Prior art keywords
- liquid
- photometer
- peristaltic pump
- liquid inlet
- reaction tank
- 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.)
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 19
- 235000012239 silicon dioxide Nutrition 0.000 title claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 83
- 238000011161 development Methods 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- 239000012445 acidic reagent Substances 0.000 claims abstract description 8
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 230000002572 peristaltic effect Effects 0.000 claims description 41
- 239000002699 waste material Substances 0.000 claims description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 2
- 239000011964 heteropoly acid Substances 0.000 abstract description 10
- RXCMFQDTWCCLBL-UHFFFAOYSA-N 4-amino-3-hydroxynaphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(N)=C(O)C=C(S(O)(=O)=O)C2=C1 RXCMFQDTWCCLBL-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052750 molybdenum Inorganic materials 0.000 abstract description 6
- 239000011733 molybdenum Substances 0.000 abstract description 6
- -1 molybdenum amino acid Chemical class 0.000 abstract description 6
- 229910052710 silicon Inorganic materials 0.000 abstract description 6
- 239000010703 silicon Substances 0.000 abstract description 6
- 239000012295 chemical reaction liquid Substances 0.000 abstract description 4
- GALOTNBSUVEISR-UHFFFAOYSA-N molybdenum;silicon Chemical compound [Mo]#[Si] GALOTNBSUVEISR-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 description 2
- 229940010552 ammonium molybdate Drugs 0.000 description 2
- 235000018660 ammonium molybdate Nutrition 0.000 description 2
- 239000011609 ammonium molybdate Substances 0.000 description 2
- 239000012482 calibration solution Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/52—Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper and including single- and multilayer analytical elements
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Urology & Nephrology (AREA)
- Molecular Biology (AREA)
- Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Food Science & Technology (AREA)
- Microbiology (AREA)
- Cell Biology (AREA)
- Biotechnology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
The invention relates to a silicon dioxide detection device which comprises a control system and a reaction tank, wherein a liquid inlet end on the reaction tank is connected with a sample injection module, a color development module and a pH value module, a liquid outlet end on the reaction tank is connected with a photometer, a reduction module is connected between a liquid inlet pipe of the photometer and a liquid outlet end of the reaction tank, and a liquid outlet pipe and a liquid inlet pipe on the photometer are connected with a liquid outlet pipe together. The acid reagent provides a reaction environment with the pH value of 1.1-1.3 in the reaction tank, soluble silicon in the detection liquid reacts with molybdenum amino acid (color developing agent) to form a silicomolybdenum yellow heteropolyacid complex, 1-amino-2-naphthol-4-sulfonic acid reduces the silicomolybdenum yellow heteropolyacid complex into silicomolybdenum blue before entering the photometer, and then the reduced reaction liquid enters the photometer to carry out color comparison in 810nm wave band.
Description
Technical Field
The invention relates to the technical field of silicon dioxide detection, in particular to a silicon dioxide detection device.
Background
Silica monitoring is critical when system efficiency is important. Impurities such as active silica can coat the surfaces of internal process components, resulting in reduced efficiency, reduced safety, damage and high cost shutdown, and continuous online measurement of active silica is a key point in protecting critical task systems, so we have designed an automated silica detection device.
Disclosure of Invention
The present invention is directed to a silica detection device, which solves the above-mentioned problems of the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a silicon dioxide detection device, includes control system and retort, the feed liquor end on the retort is connected with sampling module, color development module and pH value module, the play liquid end on the retort is connected with the photometer, be connected with the reduction module between the feed liquor pipe of photometer and the play liquid end of retort, feed liquor pipe and play liquid pipe department on the photometer are connected with the waste liquid pipe jointly.
Optionally, the sample injection module includes first peristaltic pump, the feed liquor end on the first peristaltic pump is connected with first solenoid valve, be connected with water sample reservoir and second solenoid valve on the first solenoid valve respectively, be connected with range calibration liquid reservoir and zero calibration liquid reservoir on the second solenoid valve respectively, the liquid outlet end of second solenoid valve is linked together with the feed liquor end of retort.
Optionally, the color development module comprises a second peristaltic pump, wherein a liquid inlet end of the second peristaltic pump is connected with a color development agent storage, and a liquid outlet end of the second peristaltic pump is connected with a liquid inlet end of the reaction tank.
Optionally, the pH module includes a third peristaltic pump, a liquid inlet end of the third peristaltic pump is connected with an acid reagent storage, and a liquid outlet end of the third peristaltic pump is connected with a liquid outlet end of the reaction tank.
Optionally, the reduction module comprises a fourth peristaltic pump, and a liquid inlet end of the fourth peristaltic pump is connected with a reducing agent storage.
Optionally, the liquid inlet pipe of the photometer is arranged in a step shape, and the connecting node between the fourth peristaltic pump and the photometer and the reaction tank is positioned at the outer part of the liquid inlet pipe of the photometer.
Optionally, a third electromagnetic valve is arranged on the waste liquid pipe, and the third electromagnetic valve is positioned between the waste liquid pipe and the liquid inlet pipe of the photometer.
Compared with the prior art, the invention has the beneficial effects that:
the acid reagent provides a reaction environment with the pH value of 1.1-1.3 in the reaction tank, soluble silicon in the detection liquid reacts with molybdenum amino acid (color developing agent) to form a silicomolybdenum yellow heteropolyacid complex, 1-amino-2-naphthol-4-sulfonic acid reduces the silicomolybdenum yellow heteropolyacid complex into silicomolybdenum blue before entering the photometer, and then the reduced reaction liquid enters the photometer to carry out color comparison in 810nm wave band.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1, a silicon dioxide detection device comprises a control system and a reaction tank 1, wherein a liquid inlet end on the reaction tank 1 is connected with a sample injection module, a color development module and a pH value module, a liquid outlet end on the reaction tank 1 is connected with a photometer 6, a reduction module is connected between a liquid inlet pipe of the photometer 6 and a liquid outlet end of the reaction tank 1, a waste liquid pipe 7 is jointly connected at the position of the liquid inlet pipe and the liquid outlet pipe on the photometer 6, a third electromagnetic valve 71 is arranged on the waste liquid pipe 7, the third electromagnetic valve 71 is positioned between the waste liquid pipe 7 and the liquid inlet pipe of the photometer 6, a water sample, an acid reagent and a color development agent are simultaneously introduced into the reaction tank 1, soluble silicon and molybdenum amino acid (color development agent) in the water sample react to form a silicon-molybdenum yellow heteropoly acid complex under the condition that the pH value is 1.1-1.3, after the reaction in the reaction tank 1 fully reacts, the reaction liquid is introduced into the photometer 6, a reducing agent (1-amino-2-naphthol-4-sulfonic acid) is simultaneously introduced into the photometer 6, before the naphthol-6 is introduced into the photometer 6, the amino-2-naphthol-4-sulfonic acid is simultaneously, the silicon-yellow-sulfuric acid is introduced into the waste liquid is discharged into the photometer 6, the color development of the color development device is subjected to the color comparison, the color comparison is carried out, and the color comparison is subjected to the color comparison, and the color comparison is subjected to the color reduction of the waste solution and the color reaction solution is subjected to the color comparison.
As shown in fig. 1, the sample injection module comprises a first peristaltic pump 2, a liquid inlet end on the first peristaltic pump 2 is connected with a first electromagnetic valve 21, a water sample storage and a second electromagnetic valve 22 are respectively connected on the first electromagnetic valve 21, a measuring range calibration liquid storage and a zero calibration liquid storage are respectively connected on the second electromagnetic valve 22, a liquid outlet end of the second electromagnetic valve 22 is communicated with a liquid inlet end of the reaction tank 1, and the first peristaltic pump 2 is used for pumping the water sample, the measuring range calibration liquid or the zero calibration liquid by respectively opening the first electromagnetic valve 21 and the second electromagnetic valve 22 or opening the first electromagnetic valve 21 and the second electromagnetic valve 22 in a matching way.
As shown in FIG. 1, the color development module comprises a second peristaltic pump 3, a color development agent storage is connected to the liquid inlet end of the second peristaltic pump 3, the liquid outlet end of the second peristaltic pump 3 is connected with the liquid inlet end of the reaction tank 1, and the color development agent (ammonium molybdate) is pumped by the second peristaltic pump 3 to enable the molybdenum amino acid to enter the reaction tank 1 to react with the soluble silicon in the detection liquid.
As shown in fig. 1, the pH module includes a third peristaltic pump 4, the liquid inlet end of the third peristaltic pump 4 is connected with an acid reagent reservoir, the liquid outlet end of the third peristaltic pump 4 is connected with the liquid outlet end of the reaction tank 1, and the acidic agent is pumped by the third peristaltic pump 4 and introduced into the reaction tank 1, so as to provide a reaction environment with pH value of 1.1-1.3 for the molybdenum amino acid and the soluble silicon.
As shown in fig. 1, the reduction module comprises a fourth peristaltic pump 5, a reducing agent reservoir is connected to the liquid inlet end of the fourth peristaltic pump 5, and a reducing agent (1-amino-2-naphthol-4-sulfonic acid) is discharged into a pipeline between the reaction tank 1 and the photometer 6 through the fourth peristaltic pump 5, so that the 1-amino-2-naphthol-4-sulfonic acid reduces the silicon-molybdenum yellow heteropolyacid complex into silicon-molybdenum blue.
As shown in fig. 1, the liquid inlet pipe of the photometer 6 is arranged in a step shape, and the connection node between the fourth peristaltic pump 5 and the photometer 6 and the reaction tank 1 is positioned at the outer part of the liquid inlet pipe of the photometer 6, and the liquid inlet pipe of the photometer 6 is arranged in a step shape, so that the length of a pipeline can be increased, the reaction time between the reducing agent and the silicon molybdenum yellow heteropoly acid complex is further increased, and the silicon molybdenum yellow heteropoly acid complex is ensured to be completely reduced.
When the device is used, the device can be used,
the first step: starting a first peristaltic pump 2, a second peristaltic pump 3 and a third peristaltic pump 4, respectively introducing a range calibration solution, a color reagent (ammonium molybdate) and an acid reagent into the reaction tank 1, wherein the acid reagent forms a reaction environment with a pH value of 1.1-1.3 in the reaction tank 1, and soluble silicon in the range calibration solution reacts with molybdenum amino acid (color reagent) to form a silicon-molybdenum yellow heteropoly acid complex.
And a second step of: the reaction liquid in the reaction tank 1 flows into the photometer 6, and simultaneously a reducing agent (1-amino-2-naphthol-4-sulfonic acid) is introduced into a pipeline between the reaction tank 1 and the photometer 6 through a fourth peristaltic pump 5, and the 1-amino-2-naphthol-4-sulfonic acid reduces the silicomolybdenum yellow heteropolyacid complex into silicomolybdenum blue.
And a third step of: the reaction solution enters the photometer 6, the absorbance of the reaction solution is in direct proportion to the concentration in a certain concentration range, the reaction solution is colorized at the 810nm wave band, and the waste liquid in the photometer 6 is discharged through the waste liquid pipe 7.
Fourth step: and the measuring range calibration liquid is replaced by the zero point calibration liquid and the water sample in sequence, and the detection values of the measuring range calibration liquid and the zero point calibration liquid form a calibration curve, so that the detection accuracy is improved.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.
Claims (7)
1. The utility model provides a silicon dioxide detection device, its characterized in that, includes control system and retort (1), the feed liquor end on retort (1) is connected with sampling module, color development module and pH value module, the play liquid end on retort (1) is connected with photometer (6), be connected with the reduction module between the feed liquor pipe of photometer (6) and the play liquid end of retort (1), feed liquor pipe and drain pipe department on photometer (6) are connected with waste liquid pipe (7) jointly.
2. The silica detection device according to claim 1, wherein the sample injection module comprises a first peristaltic pump (2), a liquid inlet end of the first peristaltic pump (2) is connected with a first electromagnetic valve (21), a water sample storage device and a second electromagnetic valve (22) are respectively connected to the first electromagnetic valve (21), a measuring range calibration liquid storage device and a zero calibration liquid storage device are respectively connected to the second electromagnetic valve (22), and a liquid outlet end of the second electromagnetic valve (22) is communicated with a liquid inlet end of the reaction tank (1).
3. The silica detection device according to claim 1, wherein the color development module comprises a second peristaltic pump (3), a color development agent storage is connected to a liquid inlet end of the second peristaltic pump (3), and a liquid outlet end of the second peristaltic pump (3) is connected to a liquid inlet end of the reaction tank (1).
4. The silica detection device according to claim 1, wherein the pH module comprises a third peristaltic pump (4), an acid reagent reservoir is connected to a liquid inlet end of the third peristaltic pump (4), and a liquid outlet end of the third peristaltic pump (4) is connected to a liquid outlet end of the reaction tank (1).
5. The silica detection device according to claim 1, wherein the reduction module comprises a fourth peristaltic pump (5), and a reducing agent reservoir is connected to a liquid inlet end of the fourth peristaltic pump (5).
6. A silica detection apparatus according to claim 1, characterized in that the liquid inlet pipe of the photometer (6) is arranged in a stepwise manner, and the connection node between the fourth peristaltic pump (5) and the photometer (6) and the reaction tank (1) is located at the outer part of the liquid inlet pipe of the photometer (6).
7. A silica detection device according to claim 1, characterized in that the waste liquid pipe (7) is provided with a third electromagnetic valve (71), the third electromagnetic valve (71) being located between the waste liquid pipe (7) and the liquid inlet pipe of the photometer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311097685.1A CN116930477A (en) | 2023-08-29 | 2023-08-29 | Silicon dioxide detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311097685.1A CN116930477A (en) | 2023-08-29 | 2023-08-29 | Silicon dioxide detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116930477A true CN116930477A (en) | 2023-10-24 |
Family
ID=88382744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311097685.1A Pending CN116930477A (en) | 2023-08-29 | 2023-08-29 | Silicon dioxide detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116930477A (en) |
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2023
- 2023-08-29 CN CN202311097685.1A patent/CN116930477A/en active Pending
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