CN103822700A - Acoustochemical efficiency measuring device and application method thereof - Google Patents
Acoustochemical efficiency measuring device and application method thereof Download PDFInfo
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- CN103822700A CN103822700A CN201410082876.5A CN201410082876A CN103822700A CN 103822700 A CN103822700 A CN 103822700A CN 201410082876 A CN201410082876 A CN 201410082876A CN 103822700 A CN103822700 A CN 103822700A
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- acoustochemical
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000523 sample Substances 0.000 claims abstract description 62
- 238000012545 processing Methods 0.000 claims abstract description 32
- 238000005259 measurement Methods 0.000 claims abstract description 23
- 238000002211 ultraviolet spectrum Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 23
- 238000001228 spectrum Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 6
- 238000002474 experimental method Methods 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 3
- 108010066114 cabin-2 Proteins 0.000 claims description 3
- 229910052805 deuterium Inorganic materials 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 239000012488 sample solution Substances 0.000 claims description 3
- 238000002798 spectrophotometry method Methods 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 9
- 238000011160 research Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- -1 iodide ions Chemical class 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses an acoustochemical efficiency measuring device comprising a probe for a measuring rod, a probe driving box and a data processing display. Based on the principle of measuring the acoustical power by a heat quantity method and measuring the acoustochemical yield by an ultraviolet spectrum, the acoustochemical efficiency measuring device can finally obtain acoustochemical efficiency indexes quickly through strict control, measurement and calculation of a processor. The acoustochemical efficiency measuring device is highly integrated with a measurement system for measuring the acoustical power by the heat quantity method and an online ultraviolet photometer monitoring system and capable of automatically controlling and displaying numerical values of corresponding parameters after the parameters are set, and also has the functions of data storing and recording, data compiling and outputting, and communicating with an upper computer to be matched with the computer in use, and therefore, the acoustochemical efficiency measuring device is convenient for a science researcher to quickly obtain and compile the acoustochemical efficiency index data.
Description
Technical Field
The invention relates to a sonochemistry efficiency measuring device and a using method thereof, belonging to the field of ultrasonic chemical treatment.
Background
Phonochemistry is one of the leading edges of the current chemical research, in the practical experimental research, the phonochemistry efficiency is an index which is relatively complex but very important in the measurement process, the phonochemistry efficiency can be obtained through calculation by measuring the sound power in a period of time and the phonochemistry yield generated under the same condition, and the measurement process is very complicated and can not avoid great errors every time. The invention integrates and improves the traditional method, miniaturizes and facilitates the measurement process, and can quickly obtain the sonochemical efficiency of a certain sonochemical reaction device. The method helps researchers to quickly obtain the phonochemistry indexes subjected to data arrangement in the phonochemistry experiment process, so that the efficiency of related experiment research is greatly improved.
Disclosure of Invention
The invention aims to provide a device for measuring the sonochemistry efficiency, which can quickly measure the sonochemistry efficiency of a sonochemistry reactor, can analyze and integrate data, reduces the experiment time and errors of the traditional method and improves the related research efficiency.
In order to solve the technical problems, the technical scheme of the invention is as follows: a kind of sonochemistry efficiency determination device, it includes the probe for measurement, probe drive box, data processing display machine; wherein:
the probe for measurement is of a hollow structure, a thermocouple for measuring temperature and two pipelines for entering and exiting sample liquid are arranged in the probe, and a sample liquid inlet and outlet and a thermocouple temperature measuring end are arranged at the forefront end of the probe.
The probe driving box comprises a micro electric pump inside, a spectrum scanning bin, a signal conditioning circuit, an A/D conversion circuit and an A/D conversion circuit, wherein the micro electric pump is used for circularly collecting sample liquid from the front end of the probe and sending the sample liquid into the spectrum scanning bin, the spectrum scanning bin is used for scanning an ultraviolet spectrum of the sample liquid and sending a signal obtained by scanning into the A/D conversion circuit, the signal conditioning circuit is used for processing an analog signal fed back by a thermocouple and sending the analog signal to the A/D conversion circuit, and the A/D conversion circuit is used for processing a spectrum signal and a heat measurement signal and sending the spectrum signal and the heat measurement signal to a data processing display machine through a;
the data processing display machine is used for receiving the temperature data and the ultraviolet luminosity data sent by the probe driving box, recording and calculating according to the set parameters to obtain the phonochemical efficiency,
furthermore, the data processing display machine is connected with a computer, and the recorded data is imported into the computer for analysis.
Further, the inside of the spectrum scanning chamber adopts an ultraviolet spectrophotometry scanning technology based on a miniature deuterium lamp light source.
Further, an RS-485 communication protocol is used between the probe driving box and the data processing display machine.
Further, a USB communication mode is used between the data processing display computer and the computer.
Further, the sample solution is 0.1-1 mol/L KI water solution.
The invention also provides a using method of the device for measuring the sonochemical efficiency, which comprises the following steps: firstly, starting a data processing display machine 3, waiting for the system to carry out self-checking and initialization, setting parameters of KI solution concentration after initialization is completed, wherein the concentration of the KI solution used for measurement must be 0.1mol/L to 1mol/L, directly inputting a concentration value taking mg/L as a unit during setting, then setting a measurement mode, selecting an instrument mode, refreshing a phonochemical efficiency value once per second, or selecting an observation mode, and continuously recording temperature, phonochemical yield, phonochemical efficiency and other data for a period of time and sorting the data so as to be analyzed and used after experiments; then, the probe driving cabin 2 is held by hand or fixed by using a bracket, the front end of the probe 1 is placed at a position where the sonochemistry efficiency is required to be detected, the sonochemistry efficiency of each position in the sonochemistry reactor is different, so that the measured data only reflects the sonochemistry efficiency of the liquid part at the front end of the probe, and if other parts are required to be detected, the probe is required to be moved to the corresponding position; the system starts to operate by pressing the start button on the control panel of the processing display 3, and the display will start to display data after about 10 seconds of warm-up.
After the technical scheme is adopted, the thermocouple senses the slight change of temperature rise in the sonochemistry process, and the processor accurately converts the temperature into the acoustic power. Simultaneously, the micro electric pump samples the sample liquid in the reactor and sends the sample liquid into the spectrum scanning bin, the spectrum scanning bin continuously feeds back the ultraviolet spectrum information of the sample liquid to the processor, and the processor converts the ultraviolet spectrum information into the sonochemistry yield. The phonochemical efficiency is obtained through calculation of the phonochemical yield and the acoustic power, the whole process is completed automatically, the result is directly displayed at a processing display terminal, the continuously obtained data is stored and even analyzed, and finally all data information can be input into a computer for further research.
Drawings
FIG. 1 shows a device for measuring the sonochemical efficiency according to the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in FIG. 1, a sonochemistry efficiency measuring apparatus comprises a probe 1 for measurement, a probe driving box 2, a data processing display 3; wherein,
the probe 1 for measurement is of a hollow structure, a thermocouple for measuring temperature and two pipelines for entering and exiting sample liquid are arranged in the probe, and a sample liquid inlet and outlet and a thermocouple temperature measuring end are arranged at the forefront end of the probe. When the method is used for measuring the sonochemical efficiency, the used sample solution is 0.1-1 mol/L KI water solution. The diameter of a pipeline for sampling is very small, so that the influence of liquid circulation on the sonochemical reaction can be ignored, and because the temperature rise measured by the thermocouple is very accurate and sensitive, the thermocouple probe at the front end of the probe adopts a rounded elbow design, so that the interference of water circulation on the temperature of a sensing point is avoided;
the probe driving box 2 internally comprises a micro electric pump which is used for circularly collecting sample liquid from the front end of the probe 1 and sending the sample liquid into a spectrum scanning bin, a spectrum scanning bin which is used for scanning an ultraviolet spectrum of the sample liquid and sending a signal obtained by scanning into an A/D conversion circuit, a set of signal conditioning circuit which is used for processing an analog signal fed back by a thermocouple and sending the analog signal to the A/D conversion circuit, and an A/D conversion circuit which is used for processing a spectrum signal and a heat measurement signal and sending the signal to a data processing display machine through a cable connected with the driving box. The inside of the spectrum scanning bin adopts an ultraviolet spectrophotometry scanning technology based on a miniature deuterium lamp light source.
And the data processing and displaying machine 3 is used for receiving the temperature data and the ultraviolet luminosity data sent by the probe driving box 2, recording and calculating according to set parameters to obtain the phonochemical efficiency, and the data processing and displaying machine 3 can be connected with a computer and guides the recorded data into the computer for analysis. And an RS-485 communication protocol is used between the probe driving box and the data processing display machine. The data processing display computer and the computer use USB communication mode.
The method of using the device for measuring sonochemical efficiency is as follows:
firstly, the data processing display machine 3 is started, and the system is waited for self-checking and initialization. After initialization is completed, parameters of KI solution concentration are set, the concentration of the KI solution used for measurement must be 0.1mol/L to 1mol/L, concentration values with mg/L as a unit can be directly input during setting, then a measurement mode is set, an instrument mode can be selected, the phonochemical efficiency value can be refreshed once per second, an observation mode can be selected, and the system can continuously record data such as temperature, phonochemical yield, phonochemical efficiency and the like for a period of time and arrange the data so as to be analyzed and used after experiments;
then, the probe driving cabin 2 is held by hand or fixed by a support, the front end of the probe 1 is placed at a position where the sonochemistry efficiency is required to be detected, since the sonochemistry efficiency at each position is different in the sonochemistry reactor, the measured data only reflects the sonochemistry efficiency of the liquid part at the front end of the probe, if other parts are required to be detected, the probe is required to be moved to the corresponding position, a start button is pressed on a control panel of the processing display machine 3, the system starts to work, and the display screen starts to appear data after about 10 seconds of preheating.
During the working process, when sound waves are irradiated in the KI solution, the temperature is increased, and the processor firstly measures the temperature increase value fed back by the thermocouple
And then by the formula
Obtaining acoustic powerWherein
Is the heat capacity of the KI solution, due to the aqueous solution used, and therefore
Is a constant value and is provided with a constant value,
is the quality of the sampled solution, and the circulation speed of the micro electric pump in the probe driving bin 2 is strictly controlled to be constant, so that the micro electric pump is used for sampling the solutionIs also a constant. From the acoustic powerThe temperature rise can be obtained only through the temperature rise measuring process of the thermocouple. Because iodide ions in the KI solution are oxidized by hydroxyl radicals generated in the sonochemistry process to become iodine molecules, the ultraviolet spectrum absorbance change of a specific position of the sampled liquid can occur, and the processor scans the bin according to the spectrumThe feedback data can obtain the change of the concentration of the KI solution
Then according to the formula
Obtaining a sonochemical efficiency
Wherein
Is also constant, whereby the device obtains the sonochemical efficiency by measurement and calculation and displays and records it.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A sonochemical efficiency measuring apparatus, characterized in that: the device comprises a probe (1) for measurement, a probe driving box (2) and a data processing display machine (3); wherein:
the probe rod (1) for measurement is of a hollow structure, a thermocouple for measuring temperature and two pipelines for entering and exiting sample liquid are arranged in the probe rod, and a sample liquid inlet and outlet and a thermocouple temperature measuring end are arranged at the forefront end of the probe rod;
the probe driving box (2) internally comprises a micro electric pump which is used for circularly collecting sample liquid from the front end of the probe (1) and sending the sample liquid into a spectrum scanning bin, a spectrum scanning bin which is used for scanning an ultraviolet spectrum of the sample liquid and sending a scanned signal into an A/D conversion circuit, a set of signal conditioning circuit which is used for processing an analog signal fed back by a thermocouple and sending the analog signal to the A/D conversion circuit, and an A/D conversion circuit which is used for processing a spectrum signal and a heat measurement signal and sending the signal to a data processing display machine through a cable connected with the driving box;
and the data processing display machine (3) is used for receiving the temperature data and the ultraviolet luminosity data sent by the probe driving box (2), recording according to set parameters and calculating to obtain the sonochemical efficiency.
2. The sonochemical efficiency measurement apparatus according to claim 1, wherein: the data processing display machine (3) is connected with a computer and guides the recorded data into the computer for analysis.
3. A sonochemical efficiency measuring apparatus according to claim 1 or 2, wherein: the interior of the spectrum scanning bin adopts an ultraviolet spectrophotometry scanning technology based on a miniature deuterium lamp light source.
4. A sonochemical efficiency measuring apparatus according to claim 1 or 2, wherein: and an RS-485 communication protocol is used between the probe driving box and the data processing display machine.
5. A sonochemical efficiency measuring apparatus according to claim 1 or 2, wherein: the data processing display computer and the computer use USB communication mode.
6. A sonochemical efficiency measuring apparatus according to claim 1 or 2, wherein: the sample solution is 0.1-1 mol/L KI water solution.
7. A method of using the device for measuring sonochemical efficiency of claim 1, comprising the steps of: firstly, starting a data processing display machine 3, waiting for the system to carry out self-checking and initialization, setting parameters of KI solution concentration after initialization is completed, wherein the concentration of the KI solution used for measurement must be 0.1mol/L to 1mol/L, directly inputting a concentration value taking mg/L as a unit during setting, then setting a measurement mode, selecting an instrument mode, refreshing a phonochemical efficiency value once per second, or selecting an observation mode, and continuously recording temperature, phonochemical yield, phonochemical efficiency and other data for a period of time and sorting the data so as to be analyzed and used after experiments; then, the probe driving cabin 2 is held by hand or fixed by using a bracket, the front end of the probe 1 is placed at a position where the sonochemistry efficiency is required to be detected, the sonochemistry efficiency of each position in the sonochemistry reactor is different, so that the measured data only reflects the sonochemistry efficiency of the liquid part at the front end of the probe, and if other parts are required to be detected, the probe is required to be moved to the corresponding position; the system starts to operate by pressing the start button on the control panel of the processing display 3, and the display will start to display data after about 10 seconds of warm-up.
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| CN201410082876.5A CN103822700B (en) | 2014-03-07 | 2014-03-07 | Acoustochemical efficiency measuring device and application method thereof |
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| CN201410082876.5A CN103822700B (en) | 2014-03-07 | 2014-03-07 | Acoustochemical efficiency measuring device and application method thereof |
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| CN103822700B CN103822700B (en) | 2017-02-15 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2579513Y (en) * | 2002-11-01 | 2003-10-15 | 罗宪中 | Multifrequency phonochemistry reaction device |
| JP2005147081A (en) * | 2003-11-19 | 2005-06-09 | Japan Science & Technology Agency | Diagnostic method for pump, computer program, and system for diagnosing pump |
| CN201279458Y (en) * | 2008-10-13 | 2009-07-29 | 陈元平 | High-power ultrasonic photochemistry treatment system |
| CN103212356A (en) * | 2013-04-28 | 2013-07-24 | 陕西师范大学 | Disloyalty type phonochemistry reaction equipment |
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2014
- 2014-03-07 CN CN201410082876.5A patent/CN103822700B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2579513Y (en) * | 2002-11-01 | 2003-10-15 | 罗宪中 | Multifrequency phonochemistry reaction device |
| JP2005147081A (en) * | 2003-11-19 | 2005-06-09 | Japan Science & Technology Agency | Diagnostic method for pump, computer program, and system for diagnosing pump |
| CN201279458Y (en) * | 2008-10-13 | 2009-07-29 | 陈元平 | High-power ultrasonic photochemistry treatment system |
| CN103212356A (en) * | 2013-04-28 | 2013-07-24 | 陕西师范大学 | Disloyalty type phonochemistry reaction equipment |
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