CN206223656U - Online silica analyzer - Google Patents
Online silica analyzer Download PDFInfo
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- CN206223656U CN206223656U CN201621177744.1U CN201621177744U CN206223656U CN 206223656 U CN206223656 U CN 206223656U CN 201621177744 U CN201621177744 U CN 201621177744U CN 206223656 U CN206223656 U CN 206223656U
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- data handling
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Abstract
The utility model is related to a kind of online silica analyzer, employ chemiluminescence principle, silicon generation heteropoly acid rear oxidation luminous agent i.e. in water sample lights, luminous intensity and silicone content into corresponding relation, luminous intensity being measured with photoelectric cell and being compareed with the standard curve of instrument internal memory, silicate content is printed in display.The system includes：Chemical reaction system is used to complete the overall process of chemical reaction.Photoeletric measuring system is used to for chemiluminescent luminous intensity to be converted to electric signal.Control and data handling system, for under special-purpose software control, controller receives the command signal of the signal that the sensors such as each water level, temperature, current, photoelectric current send and touch operation key, go to control each magnetic valve and related circuit according to preset program, and all operations and monitoring content are shown with crystal liquid mode, in each abnormal parameters alarm.
Description
Technical field
The utility model is related to a kind of online silica analyzer.
Background technology
In oil, the online silica analyzer in the field such as chemical industry, electric power is used for, it is necessary to contain to the silica in water quality
Amount carries out real―time precision measurment, to reach the content of real-time control silica, the time delay for preventing sampling method measurement from bringing
Influence to equipment, it is ensured that the normal operation of equipment and life-span.
Traditional online silica analyzer uses AAS (molybdenum blue colorimetric method), and its principle is：In acid bar
Under part, the activated silica in water generates molybdenum yellow with molybdate reagent, and molybdenum yellow is reduced into silicon molybdenum blue with reducing agent, and instrument passes through
AAS determines the concentration of the material.
Molybdenum blue colorimetric method has the shortcomings that-it is individual very big, because silicomolybdic acid has two kinds of isomers of α types and β types, to analysis precision
Have a significant impact.Both isomers all generate familiar molybdenum blue compound when reducing, α types heteropoly acid produces turquoise；β
Type produces navy blue, and β type molar absorption coefficients are about the twice of α types.Because under Low acid, α types isomers stabilization, β types are different
Structure body is converted into α types under highly acidity,.This means the navy blue of silicate generation is constantly being faded, measurement error is caused.
15 minutes (80% content) at least is wanted using the instrument of molybdenum blue colorimetric method principle simultaneously, minute ability typically all more than 20
A measurement process can be completed, it is impossible to meet the requirement for detecting at the scene.When many, silicon contains when anion exchanger fails
Amount increases very fast, previous water sample start to detect be it is qualified, to the 2nd water sample detection go out result be it is underproof, quite
Go in half an hour, in thering is substantial amounts of unqualified water to come into follow-up equipment.
In view of above-mentioned defect, the design people is actively subject to research and innovation, to found a kind of online silica point
Analyzer, makes it have more the value in industry.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of rational in infrastructure, chemiluminescence is make use of
The online silica analyzer of silicon ion content in principle measurement water sample.
The online silica analyzer of the utility model, including：Chemical reaction system, photoeletric measuring system, center control
And data handling system；
Described chemical reaction system, including for storing some medicine-chests, reaction tank, the sampling storage tank of different agents,
Wherein, the medicine-chest at least includes the first medicine-chest and the second medicine for storing luminescence reagent for storing molybdic acid ammonium reagent
Case, each medicine-chest is connected by the liquid woven hose of each connection with the reaction tank, is divided on each described liquid woven hose
Dosing pump is not provided with it；Liquid level gauge is provided with the sampling storage tank, if the sampling storage tank is by main line sampling intake line
Water sample system of the connection containing silica, described sampling intake line is provided with the first magnetic valve and regulating valve；It is described to adopt
Sample storage tank is connected by sample woven hose with the reaction tank, and the sample woven hose is provided with the second magnetic valve；
Photoeletric measuring system is arranged on the side of the reaction tank, and the photoeletric measuring system includes described chemistry is anti-
The light radiation for sending that chemically react of the water sample of the silica in system, molybdic acid ammonium reagent, luminescence reagent is answered to be converted to electricity
Signal photomultiplier；
Data handling system, the first magnetic valve respectively with chemical reaction system, the second magnetic valve, regulating valve, dosing pump
And liquid level gauge is connected, according to the predetermined magnetic valve of programme-control first, the second magnetic valve, regulating valve, dosing pump, liquid level gauge
Working condition.
Further, also including being connected with the data handling system for showing the telecommunications that photoeletric measuring system is exported
The LCDs of number collection of illustrative plates.
Further, described liquid woven hose is provided with heater, and the heater is arranged on medicine-chest and dosing
Between pump, the heater is connected with the data handling system, receives the control of the data handling system.
Further, the sample woven hose is provided with heater, the heater and the data handling system
It is connected, receives the control of the data handling system.
Further, magnetic stirring apparatus, the magnetic stirring apparatus and the data handling system are provided with the reaction tank
It is connected, receives the control of the data handling system.
Further, the 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 the reaction tank
Drainage pump is also associated with and reaction tank between, described bleed valve drainage pump is connected with the data handling system, receives institute
State the control of data handling system.
By such scheme, the online silica analyzer of the utility model at least has advantages below：
The silicon generation heteropoly acid rear oxidation luminous agent employed in chemiluminescence principle, i.e. water sample lights, luminous intensity with
Silicone content is measured luminous intensity and is compareed with the standard curve of instrument internal memory into corresponding relation with photoelectric cell, and display is beaten
Print off silicate content.
The utility model is not required to special maintenance maintenance in long-term use, and special-purpose software has been designed in abnormal cases can
And alarm, 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 solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is the structural representation of the online silica analyzer of the utility model.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.
Chemiluminescence is not as light, heat or electric energy but the light radiation as produced by chemical reaction excited species, with spirit
The advantage that sensitivity is high, analyze speed is fast, the range of linearity is wide, it is the enough energy provided based on chemical reaction, is made wherein
A kind of molecule of product be excited, form excited state molecule, when they jumps back ground state from excitation 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
Chemiluminescent reaction is produced, should possess following conditions：
(1) chemistry must be able to release enough energy, to cause electron excitation, generally only have those reaction speeds quite fast
Exothermic reaction, its △ H is between 170-300kJmol-1Between, chemiluminescence phenomenon could be observed in visible-range,
The energy that many redox reactions are provided is suitable with this, therefore most of chemiluminescence reactions are redox reaction.
(2) chemical reaction process that will be favourable, so that produced energy is used to be constantly be generated excited state molecule.
(3) excited state molecule jump back ground state when, can discharge photon, rather than consumed energy in the form of heat chemistry
The luminous intensity of luminescence-producing reaction, with the unit interval launch number of photons represent, in luminesceence analysis, the concentration of analyte with
Luminescence reagent is compared to much smaller, therefore luminescence reagent concentration is regarded as a constant, therefore luminescence-producing reaction can be considered that plan one-level is anti-
Should.
The utility model takes water sample automatically, the silicon in water sample under sour environment with ammonium molybdate reaction, generation binary it is miscellaneous
Polyacid (silicomolybdic acid), oxyluminescence agent produces chemiluminescence its luminous intensity anaplasia at any time when the heteropoly acid mixes with luminous agent
Change and different, will soon be obtained after mixing it is stronger light (peak value), with the consumption of reactant, light intensity is gradually decreased, most
After level off to zero, meet first order reaction rule, under the appropriate reaction conditions, above-mentioned peak value and analyte (silicate) content
Above-mentioned luminous overall process is converted to linear the change of electric signal using photoelectric cell, and carries out data by controller
Treatment, is converted into corresponding silicate content, is shown and is printed.This Instrumental Analysis time greatly shortens, and the reaction time is only
It it is 50 seconds, analysis overall process is only one minute.
The utility model is by chemical reaction system, photoeletric measuring system, center control and data handling system three parts
Composition.
1. chemical reaction system：This instrument uses are constituted by heater, sampling storage tank, draining valve, dosing pump, medicine-chest
The method of heating promotes to chemically react quickly to be carried out, after water sample enters reaction utensil, after being automatically performed draining flushing, sampling, successively
Medicament is added, the overall process of chemical reaction is completed.
2. photoeletric measuring system：Highly sensitive photomultiplier is housed in the side of reactor, it will be chemiluminescent
Luminous intensity is converted to electric signal.
3. control and data handling system：It is made up of state-of-the-art controller and its special accessory circuit.In special-purpose software
The lower controllers of control receive the finger of the signal that the sensors such as each water level, temperature, current, photoelectric current send and touch operation key
Signal is made, goes to control each magnetic 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
Referring to Fig. 1, a kind of online silica analyzer described in the preferred embodiment of the utility model one, including：Chemistry
Reaction system, photoeletric measuring system, center control and data handling system；
Described chemical reaction system, including for storing some medicine-chests, reaction tank 8, the sampling storage tank of different agents
4, wherein, the 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 medicine-chest is connected by the liquid woven hose of each connection with the reaction tank, each described liquid transfusion
Dosing pump 9,10 is respectively equipped with pipe；Liquid level gauge 15 is provided with the sampling storage tank, if the sampling storage tank passes through main line
Sampling intake line water sample system of the connection containing silica, described sampling intake line is provided with the He of the first magnetic valve 2
Regulating valve 3；The sampling storage tank is connected by sample woven hose with the reaction tank, and the sample woven hose is provided with second
Magnetic valve 6；
Photoeletric measuring system is arranged on the side of the reaction tank, and the photoeletric measuring system includes described chemistry is anti-
The light radiation for sending that chemically react of the water sample of the silica in system, molybdic acid ammonium reagent, luminescence reagent is answered to be converted to electricity
Signal photomultiplier；
Data handling system, the first magnetic valve respectively with chemical reaction system, the second magnetic valve, regulating valve, dosing pump
And liquid level gauge is connected, according to the predetermined magnetic valve of programme-control first, the second magnetic valve, regulating valve, dosing pump, liquid level gauge
Working condition.
Also include the electric signal collection of illustrative plates for showing photoeletric measuring system output being connected with the data handling system
LCDs.
Described liquid woven hose is provided with heater, and the heater is arranged between medicine-chest and dosing pump, institute
State heater to be connected with the data handling system, receive the control of the data handling system.
The sample woven hose is provided with heater, and the heater is connected with the data handling system, receives
The control of the data handling system.
Magnetic stirring apparatus is provided with the reaction tank, the magnetic stirring apparatus 7 is connected with the data handling system, received
The control of the data handling system.
The 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 and reaction tank of the reaction tank
Between be also associated with drainage pump 14, described bleed valve drainage pump is connected with the data handling system, receives the data
The control of processing system.
It is analyzed using following steps using the online silica analyzer described in above-mentioned specific embodiment, the step
Suddenly specifically include：
Data handling system is according to the first magnetic valve on the sampling intake line described in predetermined programme-control and regulation
The open degree of valve with adjust silica water sample system water sample with predetermined flow rate input sample storage tank, when liquid level gauge measurement
When reaching predetermined water level to the water level in sampling storage tank, stop being input into water sample in sampling storage tank；
Be input into the water sample in storage tank of sampling in reaction tank by controlling the aperture of the second magnetic valve by data handling system,
The working condition of data handling system control dosing pump is so that molybdic acid ammonium reagent injection reaction tank, controls magnetic stirring apparatus to carry out
Stirring, sample water fully reacts generation molybdic acid Huang solution with molybdic acid ammonium reagent；
Luminescence reagent produces chemiluminescence, the photoeletric measuring system into carrying out reaction with molybdic acid Huang solution in reaction tank
The light radiation that the chemiluminescence is produced is gathered, and converts light radiation to electric signal output to data handling system；
The data handling system carries out the silicon ion that data processing, analysis measurement go out in water sample and contains according to the electric signal
Amount.
Also include the step of being heated to water sample, molybdic acid ammonium reagent and luminescence reagent 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
Sour Huang solution carries out reaction and produces chemiluminescence, and the photoeletric measuring system gathers the light radiation that the chemiluminescence is produced, and
Electric signal output to data handling system is converted light radiation to, according to the electric signal to described online silica analyzer
The step of being calibrated.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, it is noted that
For those skilled in the art, on the premise of the utility model know-why is not departed from, can also do
Go out some improvement and modification, these are improved and modification also should be regarded as protection domain of the present utility model.
Claims (7)
1. a kind of online silica analyzer, it is characterised in that including：Chemical reaction system, photoeletric measuring system, center control
System and data handling system；
Described chemical reaction system, including for storing some medicine-chests, reaction tank, the sampling storage tank of different agents, wherein,
The medicine-chest at least includes the first medicine-chest and the second medicine-chest for storing luminescence reagent for storing molybdic acid ammonium reagent, respectively
The medicine-chest is connected by the liquid woven hose of each connection with the reaction tank, is respectively equipped with each described liquid woven hose
Dosing pump；Liquid level gauge is provided with the sampling storage tank, if the sampling storage tank is connected by main line sampling intake line containing
There is the water sample system of silica, described sampling intake line is provided with the first magnetic valve and regulating valve；The sampling water storage
Case is connected by sample woven hose with the reaction tank, and the sample woven hose is provided with the second magnetic valve；
Photoeletric measuring system is arranged on the side of the reaction tank, and the photoeletric measuring system is included described chemical reaction system
The light radiation for sending that chemically react of the water sample of the silica in system, molybdic acid ammonium reagent, luminescence reagent is converted to electric signal
Photomultiplier；
Data handling system, the first magnetic valve respectively with chemical reaction system, the second magnetic valve, regulating valve, dosing pump and
Liquid level gauge be connected, according to the predetermined magnetic valve of programme-control first, the second magnetic valve, regulating valve, dosing pump, liquid level gauge work
State.
2. online silica analyzer according to claim 1, it is characterised in that also including with the data processing system
The LCDs of the electric signal collection of illustrative plates for showing photoeletric measuring system output of system connection.
3. online silica analyzer according to claim 1, it is characterised in that described liquid woven hose is provided with
Heater, the heater is arranged between medicine-chest and dosing pump, the heater and the data handling system phase
Even, the control of the data handling system is received.
4. online silica analyzer according to claim 1, it is characterised in that the sample woven hose be provided with plus
Thermal, the heater is connected with the data handling system, receives the control of the data handling system.
5. online silica analyzer according to claim 1, it is characterised in that be provided with magnetic force in the reaction tank and stir
Device is mixed, the magnetic stirring apparatus is connected with the data handling system, receive the control of the data handling system.
6. online silica analyzer according to claim 1, it is characterised in that the medicine-chest is also included for storing
3rd medicine-chest of standard reagent sample.
7. online silica analyzer according to claim 1, it is characterised in that described sampling storage tank and anti-
Ying Chi is respectively connected with bleed valve, and drainage pump, described bleed valve are also associated between the bleed valve and reaction tank of the reaction tank
Drainage pump is connected with the data handling system, receives the control of the data handling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177744.1U CN206223656U (en) | 2016-11-03 | 2016-11-03 | Online silica analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177744.1U CN206223656U (en) | 2016-11-03 | 2016-11-03 | Online silica analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206223656U true CN206223656U (en) | 2017-06-06 |
Family
ID=58789405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621177744.1U Expired - Fee Related CN206223656U (en) | 2016-11-03 | 2016-11-03 | Online silica analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206223656U (en) |
-
2016
- 2016-11-03 CN CN201621177744.1U patent/CN206223656U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20170606 Termination date: 20171103 |