CN106338508A - Online silicon dioxide analyzer and method for analyzing content of silicon dioxide in water - Google Patents
Online silicon dioxide analyzer and method for analyzing content of silicon dioxide in water Download PDFInfo
- Publication number
- CN106338508A CN106338508A CN201610952918.5A CN201610952918A CN106338508A CN 106338508 A CN106338508 A CN 106338508A CN 201610952918 A CN201610952918 A CN 201610952918A CN 106338508 A CN106338508 A CN 106338508A
- Authority
- CN
- China
- Prior art keywords
- silicon dioxide
- data handling
- handling system
- water
- sample
- 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.)
- Pending
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 95
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 47
- 235000012239 silicon dioxide Nutrition 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 74
- 238000012545 processing Methods 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 9
- 239000010703 silicon Substances 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 239000003153 chemical reaction reagent Substances 0.000 claims description 39
- 238000005070 sampling Methods 0.000 claims description 31
- VLAPMBHFAWRUQP-UHFFFAOYSA-L molybdic acid Chemical compound O[Mo](O)(=O)=O VLAPMBHFAWRUQP-UHFFFAOYSA-L 0.000 claims description 26
- 238000004458 analytical method Methods 0.000 claims description 18
- 238000004020 luminiscence type Methods 0.000 claims description 17
- 230000005855 radiation Effects 0.000 claims description 16
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 238000003760 magnetic stirring Methods 0.000 claims description 8
- -1 silicon ion Chemical class 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 2
- 230000008569 process Effects 0.000 abstract description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 5
- 239000011964 heteropoly acid Substances 0.000 abstract description 5
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 7
- 239000011733 molybdenum Substances 0.000 description 7
- 229910052750 molybdenum Inorganic materials 0.000 description 7
- 239000002253 acid Substances 0.000 description 5
- 230000005281 excited state Effects 0.000 description 4
- 238000004737 colorimetric analysis Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005283 ground state Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006479 redox reaction Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 description 1
- 229940010552 ammonium molybdate Drugs 0.000 description 1
- 235000018660 ammonium molybdate Nutrition 0.000 description 1
- 239000011609 ammonium molybdate Substances 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 1
- GALOTNBSUVEISR-UHFFFAOYSA-N molybdenum;silicon Chemical compound [Mo]#[Si] GALOTNBSUVEISR-UHFFFAOYSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000010981 turquoise Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/76—Chemiluminescence; Bioluminescence
Abstract
The invention relates to an online silicon dioxide analyzer and a method for analyzing content of silicon dioxide in water. A chemiluminescence principle is adopted, that is, after silicon in a water sample generates heteropoly acid, an oxidation light-emitting agent emits light, the light intensity and the silicon content are in a corresponding relation, a photoelectric element is used to measure the light intensity, and a constrast of the light intensity and a standard curve of an instrument memory is made, and the silicate content is displayed and printed. A system comprises a chemical reaction system, a photoelectric measurement system and a control and data processing system, wherein the chemical reaction system is used for finishing the whole process of chemical reaction; the photoelectric measurement system is used for converting chemical luminous light intensity into electrical signals; the control and data processing system is used for the situation that under the control by special software, a controller receives signals emitted by each water level sensor, each temperature sensor, each water flow sensor and each photocurrent sensor and the like and instruction signals of a touch operation key, controls each solenoid valve and corresponding circuits according to a predetermined program, displays all operations and monitored contents in a liquid crystal mode and gives an alarm when each parameter is abnormal.
Description
Technical field
The present invention relates to a kind of online silicon dioxide analyser and dioxide-containing silica analysis method.
Background technology
In oil, the field such as chemical industry, electric power online silicon dioxide analyser is used for, and needs the silicon dioxide in water quality is contained
Amount carries out real-time precision measurment, to reach the content of real-time control silicon dioxide, prevents the time delay that sampling method measurement brings
Impact to equipment is it is ensured that the normal operation of equipment and life-span.
Traditional online silicon dioxide analyser adopts spectrophotography (molybdenum blue colorimetric method), and its principle is: in acid bar
Under part, the activated silica in water generates molybdenum yellow with molybdate reagent, with reducing agent, molybdenum yellow is reduced into silicon molybdenum blue, instrument is passed through
Spectrophotography determines the concentration of this material.
Molybdenum blue colorimetric method has the shortcomings that-individual very big, because silicomolybdic acid has α type and the two kinds of isomers of β type, to analysis precision
Have a significant impact.Familiar molybdenum blue compound is all generated, α type heteropoly acid produces turquoise during both isomers reduction;β
Type produces navy blue, and β type molar absorption coefficient is about the twice of α type.Because, under Low acid, α type isomer is stable, and β type is different
Structure body, under highly acidity, is converted into α type,.This means that the navy blue that silicate generates is faded continuous, cause measurement error.
Simultaneously using molybdenum blue colorimetric method principle instrument minimum want 15 minutes (80% content), typically all more than 20 minute
A measurement process can be completed it is impossible to meet the requirement detecting at the scene.In many, when anion exchanger loses efficacy, silicon contained
Amount increases very soon, and it is qualified that previous water sample starts to detect, it is underproof for going out result to the 2nd water sample detection, quite
Go in half an hour, have substantial amounts of unqualified water to come in follow-up equipment.
In view of above-mentioned defect, the design people's actively in addition research and innovation, divide to founding a kind of online silicon dioxide
Analyzer and dioxide-containing silica analysis method are so as to more the value in industry.
Content of the invention
For solving above-mentioned technical problem, it is an object of the invention to provide a kind of rational in infrastructure, make use of chemiluminescence principle
The online silicon dioxide analyser of silicon ion content and dioxide-containing silica analysis method in measurement water sample.
The present invention online silicon dioxide analyser, comprising: chemical reaction system, photoeletric measuring system, central authorities control sum
According to processing system;
Described chemical reaction system, including some medicine-chests for storing different agents, reaction tank, sampling storage tank,
Wherein, described medicine-chest at least includes the first medicine-chest for storing molybdic acid ammonium reagent and the second medicine for storing luminescence reagent
Case, each described medicine-chest is passed through the respective medicinal liquid tube for transfusion connecting and is connected with described reaction tank, and each described medicinal liquid tube for transfusion divides
It is not provided with dosing pump;It is provided with liquidometer, if described sampling storage tank is by main line sampling intake line in described sampling storage tank
The water sample system containing silicon dioxide for the connection, described sampling intake line is provided with the first electromagnetic valve and regulating valve;Described adopt
Sample storage tank is connected with described reaction tank by sample tube for transfusion, and described sample tube for transfusion is provided with the second electromagnetic valve;
Photoeletric measuring system is arranged on the side of described reaction tank, and described photoeletric measuring system includes will be anti-for described chemistry
Light radiation that chemical reaction sends is converted to electricity to answer the water sample of the silicon dioxide in system, molybdic acid ammonium reagent, luminescence reagent to carry out
Signal photomultiplier tube;
Data handling system, respectively with the first electromagnetic valve of chemical reaction system, the second electromagnetic valve, regulating valve, dosing pump
And liquidometer is connected, according to predetermined programme-control first electromagnetic valve, the second electromagnetic valve, regulating valve, dosing pump, liquidometer
Working condition.
Further, also include the telecommunications for showing photoeletric measuring system output being connected with described data handling system
The LCDs of number collection of illustrative plates.
Further, described medicinal liquid tube for transfusion is provided with heater, and described heater is arranged on medicine-chest and dosing
Between pump, described heater is connected with described data handling system, receives the control of described data handling system.
Further, described sample tube for transfusion is provided with heater, described heater and described data handling system
It is connected, receive the control of described data handling system.
Further, it is provided with magnetic stirring apparatuss in described reaction tank, described magnetic stirring apparatuss and described data handling system
It is connected, receive the control of described data handling system.
Further, described medicine-chest also includes the 3rd medicine-chest for storing standard reagent sample.
Further, described sampling storage tank and reaction tank are respectively connected with bleed valve, the bleed valve of described reaction tank
It is also associated with drainage pump and reaction tank between, described bleed valve drainage pump is all connected with described data handling system, receive institute
State the control of data handling system.
Dioxide-containing silica analysis method in water quality of the present invention, using above-mentioned online silicon dioxide analyser using as follows
Step is analyzed, and described step specifically includes:
Data handling system is according to the first electromagnetic valve on the sampling intake line described in predetermined programme-control and regulation
The open degree of valve with adjust silicon dioxide water sample system water sample with predetermined flow rate input sample storage tank, when liquidometer measurement
When water level in sampling storage tank reaches predetermined water level, stop inputting water sample in sampling storage tank;
Data handling system passes through to control the aperture of the second electromagnetic valve to input in reaction tank by the water sample sampled in storage tank,
Data handling system controls the working condition of dosing pump so that molybdic acid ammonium reagent injection reaction tank, controls magnetic stirring apparatuses to carry out
Stirring, sample water and molybdic acid ammonium reagent fully react generation molybdic acid Huang solution;
Luminescence reagent enters in reaction tank and carries out reaction generation chemiluminescence, described photoeletric measuring system with molybdic acid Huang solution
Gather the light radiation that described chemiluminescence produces, and convert light radiation to electric signal output to data handling system;
The silicon ion that described data handling system carries out data processing according to the described signal of telecommunication, analysis measurement goes out in water sample contains
Amount.
Further, also include step water sample, molybdic acid ammonium reagent and luminescence reagent being heated using heater
Suddenly.
Further, also include for the standard reagent in the 3rd medicine-chest and water sample carrying out reaction generation molybdic acid Huang solution, send out
Light reagent carries out reaction with molybdic acid Huang solution and produces chemiluminescence, and described photoeletric measuring system gathers what described chemiluminescence produced
Light radiation, and convert light radiation to electric signal output to data handling system, according to this signal of telecommunication to described online dioxy
The step that SiClx analyser is calibrated.
By such scheme, the present invention online silicon dioxide analyser and dioxide-containing silica analysis method at least have with
Lower advantage:
Employ chemiluminescence principle, that is, silicon in water sample generates heteropoly acid rear oxidation luminous agent and lights, luminous intensity with
Silicone content becomes corresponding relation, measures luminous intensity with photoelectric cell and the standard curve with instrument internal memory is compareed, and display is beaten
Print off silicate content.
The present invention is not required to special maintenance maintenance in life-time service, and special-purpose software has designed in abnormal cases can be timely
Report to the police, it is to avoid failure propagation, as long as using on request, can normal work for a long time.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description
Fig. 1 is the structural representation of the present invention online silicon dioxide analyser.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Hereinafter implement
Example is used for the present invention is described, but is not limited to the scope of the present invention.
Chemiluminescence is not by light, heat or electric energy but light radiation produced by chemical reaction excited species, has spirit
The advantage that sensitivity is high, analyze speed is fast, the range of linearity is wide, it be the enough energy being provided based on chemical reaction so as in
A kind of molecule of product be excited, form excited state molecule, when they jumps back ground state from excited state, be issued by necessarily
The light of wavelength, this process can be expressed as follows with reaction equation:
a+b-c*+d
c*-c+hv
Produce chemiluminescent reaction, should possess following conditions:
(1) chemistry must be able to release enough energy, to cause electron excitation, generally only has those response speeds quite fast
Exothermic reaction, its △ h is between 170-300kj mol-1Between, could observe in visible-range
Chemiluminescence phenomenon, the energy that many redox reaction are provided is suitable with this, therefore most of chemiluminescences
React for redox reaction.
(2) chemical reaction process that will be favourable, so that produced energy is used for being constantly be generated excited state molecule.
(3) excited state molecule jump back ground state when, to can discharge photon, rather than consumed energy in the form of heat.
The luminous intensity of chemiluminescence reaction, is represented with the number of photons of transmitting in the unit interval, in luminesceence analysis, is divided
The concentration of analysis thing is much smaller compared with luminescence reagent, therefore luminescence reagent concentration is regarded as a constant, and therefore luminescence-producing reaction can
It is considered as pseudo first-order reaction.
The present invention takes water sample automatically, the silicon in water sample under sour environment with ammonium molybdate reaction, generate binary heteropoly acid
(silicomolybdic acid), when this heteropoly acid is mixed with luminous agent oxyluminescence agent produce chemiluminescence. its luminous intensity change over and
Difference, will soon obtain stronger luminous (peak value), with the consumption of reactant, light intensity gradually decreases, and finally becomes after mixing
It is bordering on zero, meets first order reaction rule, under the appropriate reaction conditions, above-mentioned peak value becomes line with analyte (silicate) content
Sexual intercourse. using photoelectric cell, above-mentioned luminous overall process is converted to the change of the signal of telecommunication, and data processing is carried out by controller,
It is converted into corresponding silicate content, shown and print.This Instrumental Analysis time greatly shortens, and the response time is only 50
Second, analysis overall process is only one minute.
The present invention controls data processing system three parts to form by chemical reaction system, photoeletric measuring system, central authorities.
1. chemical reaction system: be made up of heater, sampling storage tank, drain valve, dosing pump, medicine-chest. this instrument adopts
Heating method promote chemical reaction quickly carry out, water sample enter reaction utensil after, be automatically performed draining rinse, sampling after, successively
Add medicament, complete the overall process of chemical reaction.
2. photoeletric measuring system: in the side of reactor equipped with highly sensitive photomultiplier tube, it will be chemiluminescent
Light intensity is converted to the signal of telecommunication.
3. control data processing system: be made up of state-of-the-art controller and its special accessory circuit.In special-purpose software
Under control. controller receives the finger of the signal that the sensors such as each water level, temperature, current, photoelectric current send and touch operation key
Make signal, go to control each electromagnetic valve and related circuit according to preset program, and to all operations and monitoring content with liquid crystal side
Formula shows, in each abnormal parameters alarm.When there is chemiluminescence, photoelectricity flow data is converted, with liquid crystal display and
Printing type shows.
Specific embodiment 1
Referring to Fig. 1, a kind of online silicon dioxide analyser described in a preferred embodiment of the present invention, comprising: chemical reaction
System, photoeletric measuring system, central authorities control data processing system;
Described chemical reaction system, including some medicine-chests for storing different agents, reaction tank 8, sampling storage tank
4, wherein, described medicine-chest at least includes the first medicine-chest 11 for storing molybdic acid ammonium reagent and for storing luminescence reagent the
Two medicine-chests 12, each described medicine-chest is passed through the respective medicinal liquid tube for transfusion connecting and is connected with described reaction tank, each described medicinal liquid transfusion
Dosing pump 9,10 is respectively equipped with pipe;It is provided with liquidometer 15, if described sampling storage tank passes through main line in described sampling storage tank
The sampling intake line water sample system containing silicon dioxide for the connection, described sampling intake line is provided with the first electromagnetic valve 2 He
Regulating valve 3;Described sampling storage tank is connected with described reaction tank by sample tube for transfusion, and described sample tube for transfusion is provided with second
Electromagnetic valve 6;
Photoeletric measuring system is arranged on the side of described reaction tank, and described photoeletric measuring system includes will be anti-for described chemistry
Light radiation that chemical reaction sends is converted to electricity to answer the water sample of the silicon dioxide in system, molybdic acid ammonium reagent, luminescence reagent to carry out
Signal photomultiplier tube;
Data handling system, respectively with the first electromagnetic valve of chemical reaction system, the second electromagnetic valve, regulating valve, dosing pump
And liquidometer is connected, according to predetermined programme-control first electromagnetic valve, the second electromagnetic valve, regulating valve, dosing pump, liquidometer
Working condition.
The signal of telecommunication collection of illustrative plates for showing photoeletric measuring system output also including being connected with described data handling system
LCDs.
Described medicinal liquid tube for transfusion is provided with heater, and described heater is arranged between medicine-chest and dosing pump, institute
State heater to be connected with described data handling system, receive the control of described data handling system.
Described sample tube for transfusion is provided with heater, and described heater is connected with described data handling system, receives
The control of described data handling system.
It is provided with magnetic stirring apparatuss in described reaction tank, described magnetic stirring apparatuss 7 are connected with described data handling system, receive
The control of described data handling system.
Described medicine-chest also includes the 3rd medicine-chest 13 for storing standard reagent sample.
Described sampling storage tank and reaction tank are respectively connected with bleed valve 5, the bleed valve of described reaction tank and reaction tank
Between be also associated with drainage pump 14, described bleed valve drainage pump is all connected with described data handling system, receive described data
The control of processing system.
Specific embodiment 2
Dioxide-containing silica analysis method in a kind of water quality described in a preferred embodiment of the present invention, using above-mentioned concrete reality
Apply the online silicon dioxide analyser described in example 1 to be analyzed using following steps, described step specifically includes:
Data handling system is according to the first electromagnetic valve on the sampling intake line described in predetermined programme-control and regulation
The open degree of valve with adjust silicon dioxide water sample system water sample with predetermined flow rate input sample storage tank, when liquidometer measurement
When water level in sampling storage tank reaches predetermined water level, stop inputting water sample in sampling storage tank;
Data handling system passes through to control the aperture of the second electromagnetic valve to input in reaction tank by the water sample sampled in storage tank,
Data handling system controls the working condition of dosing pump so that molybdic acid ammonium reagent injection reaction tank, controls magnetic stirring apparatuses to carry out
Stirring, sample water and molybdic acid ammonium reagent fully react generation molybdic acid Huang solution;
Luminescence reagent enters in reaction tank and carries out reaction generation chemiluminescence, described photoeletric measuring system with molybdic acid Huang solution
Gather the light radiation that described chemiluminescence produces, and convert light radiation to electric signal output to data handling system;
The silicon ion that described data handling system carries out data processing according to the described signal of telecommunication, analysis measurement goes out in water sample contains
Amount.
Also include step water sample, molybdic acid ammonium reagent and luminescence reagent being heated using heater.
Also include for the standard reagent in the 3rd medicine-chest and water sample carrying out reaction generation molybdic acid Huang solution, luminescence reagent and molybdenum
Acid Huang solution carries out reaction and produces chemiluminescence, and described photoeletric measuring system gathers the light radiation that described chemiluminescence produces, and
Convert light radiation to electric signal output to data handling system, according to this signal of telecommunication to described online silicon dioxide analyser
The step calibrated.
The above is only the preferred embodiment of the present invention, is not limited to the present invention it is noted that for this skill
For the those of ordinary skill in art field, on the premise of without departing from the technology of the present invention principle, can also make some improve and
Modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of online silicon dioxide analyser is it is characterised in that include: chemical reaction system, photoeletric measuring system, central authorities' control
Data processing system processed;
Described chemical reaction system, including some medicine-chests for storing different agents, reaction tank, sampling storage tank, wherein,
Described medicine-chest at least includes the first medicine-chest for storing molybdic acid ammonium reagent and the second medicine-chest for storing luminescence reagent, respectively
Described medicine-chest is passed through the respective medicinal liquid tube for transfusion connecting and is connected with described reaction tank, and each described medicinal liquid tube for transfusion is respectively equipped with
Dosing pump;It is provided with liquidometer, if described sampling storage tank is contained by main line sampling intake line connection in described sampling storage tank
There is the water sample system of silicon dioxide, described sampling intake line is provided with the first electromagnetic valve and regulating valve;Described sampling water storage
Case is connected with described reaction tank by sample tube for transfusion, and described sample tube for transfusion is provided with the second electromagnetic valve;
Photoeletric measuring system is arranged on the side of described reaction tank, and described photoeletric measuring system is included described chemical reaction system
The water sample of the silicon dioxide in system, molybdic acid ammonium reagent, luminescence reagent carry out the light radiation that chemical reaction sends and are converted to the signal of telecommunication
Photomultiplier tube;
Data handling system, respectively with the first electromagnetic valve of chemical reaction system, the second electromagnetic valve, regulating valve, dosing pump and
Liquidometer be connected, according to predetermined programme-control first electromagnetic valve, the second electromagnetic valve, regulating valve, dosing pump, liquidometer work
State.
2. online silicon dioxide analyser according to claim 1 is it is characterised in that also include and described data processing system
The LCDs of the signal of telecommunication collection of illustrative plates for showing photoeletric measuring system output that system connects.
3. online silicon dioxide analyser according to claim 1 is it is characterised in that described medicinal liquid tube for transfusion is provided with
Heater, described heater is arranged between medicine-chest and dosing pump, described heater and described data handling system phase
Even, receive the control of described data handling system.
4. online silicon dioxide analyser according to claim 1 it is characterised in that described sample tube for transfusion be provided with plus
Thermal, described heater is connected with described data handling system, receives the control of described data handling system.
5. online silicon dioxide analyser according to claim 1 stirs it is characterised in that being provided with magnetic force in described reaction tank
Mix device, described magnetic stirring apparatuss are connected with described data handling system, receive the control of described data handling system.
6. online silicon dioxide analyser according to claim 1 is it is characterised in that described medicine-chest is also included for storing
3rd medicine-chest of standard reagent sample.
7. online silicon dioxide analyser according to claim 1 is it is characterised in that described sampling storage tank and anti-
Ying Chi is respectively connected with bleed valve, is also associated with drainage pump between the bleed valve of described reaction tank and reaction tank, described bleed valve
Drainage pump is all connected with described data handling system, receives the control of described data handling system.
8. in a kind of water quality dioxide-containing silica analysis method it is characterised in that using claim 1 to 7 arbitrary described
Line silicon dioxide analyser is analyzed using following steps, and described step specifically includes:
Data handling system is according to first electromagnetic valve on the sampling intake line described in predetermined programme-control and regulating valve
Open degree with adjust silicon dioxide water sample system water sample with predetermined flow rate input sample storage tank, adopt when liquidometer measures
When water level in sample storage tank reaches predetermined water level, stop inputting water sample in sampling storage tank;
Data handling system passes through to control the aperture of the second electromagnetic valve to input in reaction tank by the water sample sampled in storage tank, data
Processing system controls the working condition of dosing pump so that molybdic acid ammonium reagent injection reaction tank, controls magnetic stirring apparatuses to be stirred
Mix, sample water and molybdic acid ammonium reagent fully react generation molybdic acid Huang solution;
Luminescence reagent is entered and is carried out reaction generation chemiluminescence, described photoeletric measuring system collection in reaction tank with molybdic acid Huang solution
The light radiation that described chemiluminescence produces, and convert light radiation to electric signal output to data handling system;
Described data handling system carries out data processing according to the described signal of telecommunication, analysis measurement goes out the silicon ion content in water sample.
9. in water quality according to claim 8, dioxide-containing silica analysis method heats it is characterised in that also including employing
The step that device is heated to water sample, molybdic acid ammonium reagent and luminescence reagent.
10. in water quality according to claim 8 dioxide-containing silica analysis method it is characterised in that also including the 3rd
Standard reagent in medicine-chest and water sample carry out reaction and generate molybdic acid Huang solution, and luminescence reagent carries out reaction with molybdic acid Huang solution and produces
Chemiluminescence, described photoeletric measuring system gathers the light radiation that described chemiluminescence produces, and converts light radiation to the signal of telecommunication
Export to data handling system, the step described online silicon dioxide analyser calibrated according to this signal of telecommunication.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610952918.5A CN106338508A (en) | 2016-11-03 | 2016-11-03 | Online silicon dioxide analyzer and method for analyzing content of silicon dioxide in water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610952918.5A CN106338508A (en) | 2016-11-03 | 2016-11-03 | Online silicon dioxide analyzer and method for analyzing content of silicon dioxide in water |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106338508A true CN106338508A (en) | 2017-01-18 |
Family
ID=57841626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610952918.5A Pending CN106338508A (en) | 2016-11-03 | 2016-11-03 | Online silicon dioxide analyzer and method for analyzing content of silicon dioxide in water |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106338508A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB793792A (en) * | 1955-02-01 | 1958-04-23 | Central Electricity Authority | Improvements in or relating to the determination of impurities in water |
CN1116303A (en) * | 1994-08-31 | 1996-02-07 | 陈义新 | Automatic measurer for content of silicic acid group |
CN2229664Y (en) * | 1994-08-31 | 1996-06-19 | 陈义新 | Automatic testing and measuring device for silicic acid content |
CN101063653A (en) * | 2007-05-17 | 2007-10-31 | 叶宝荣 | Improved SiO2 analytic instrument |
CN101334358A (en) * | 2008-08-05 | 2008-12-31 | 山东电力研究院 | Turbine blade scale sample ingredient all-silicon content determination method |
CN101545865A (en) * | 2008-03-26 | 2009-09-30 | 大连华城电子有限公司 | On-line fast monitoring instrument for silicate content of industrial water |
-
2016
- 2016-11-03 CN CN201610952918.5A patent/CN106338508A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB793792A (en) * | 1955-02-01 | 1958-04-23 | Central Electricity Authority | Improvements in or relating to the determination of impurities in water |
CN1116303A (en) * | 1994-08-31 | 1996-02-07 | 陈义新 | Automatic measurer for content of silicic acid group |
CN2229664Y (en) * | 1994-08-31 | 1996-06-19 | 陈义新 | Automatic testing and measuring device for silicic acid content |
CN101063653A (en) * | 2007-05-17 | 2007-10-31 | 叶宝荣 | Improved SiO2 analytic instrument |
CN101545865A (en) * | 2008-03-26 | 2009-09-30 | 大连华城电子有限公司 | On-line fast monitoring instrument for silicate content of industrial water |
CN101334358A (en) * | 2008-08-05 | 2008-12-31 | 山东电力研究院 | Turbine blade scale sample ingredient all-silicon content determination method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10295458B2 (en) | Analytical device for determining a digestion parameter of a liquid sample | |
JP5622063B1 (en) | Chemical oxygen consumption (COD) automatic measuring device | |
CN109975225A (en) | A kind of water quality total phosphorus in-line analyzer and its detection method | |
AU2014329517B2 (en) | Multiple wavelength light source for colorimetric measurement | |
CN112067603A (en) | Microfluidic chemiluminescence detection device and method | |
CN104345034A (en) | Method for determining chemical oxygen demand of liquid sample and analyzer | |
US20130206599A1 (en) | Method for measuring the uranium concentration of an aqueous solution by spectrophotometry | |
CN103018236A (en) | Nitrogen content titration device | |
US20220187197A1 (en) | Electrochemical digestion | |
WO2020168022A1 (en) | Colorimetric detection of aluminum in an aqueous sample | |
CN104792704B (en) | Tri- index continuous synchronization real-time online determining instrument of TOC, TN, TP | |
CN206146828U (en) | Total phosphorus on -line monitoring system | |
Aoyagi et al. | Determination of human serum albumin by chemiluminescence immunoassay with luminol using a platinum-immobilized flow-cell | |
CN106338508A (en) | Online silicon dioxide analyzer and method for analyzing content of silicon dioxide in water | |
CN206223656U (en) | Online silica analyzer | |
JPWO2008133281A1 (en) | Concentration measurement method using refractive index distribution in flow state and its system | |
US7906340B2 (en) | Method for quantitative determination of hydrogen peroxide using potentiometric titration | |
US9091639B2 (en) | Method for calibrating and/or adjusting an analytical device for chemical substances in liquids, especially in aqueous solutions | |
CN108827890A (en) | A kind of detection method of heavy metal in waste water | |
EP3767286B1 (en) | Sp3 substituted carbon electrode analysis | |
JPH11118782A (en) | Ammoniacal nitrogen measuring apparatus | |
US20210372924A1 (en) | Zinc measurement | |
US20170138973A1 (en) | Automatic analyzer and method | |
JP2004061312A (en) | Measuring method and device for minor components in water | |
JP2001124757A (en) | Self diagnosis method of system in trimorphic nitrogen- analyzing system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170118 |